WO2025000242A1 - Modulation and coding scheme determination method, communication device, and storage medium - Google Patents

Abstract

The present disclosure relates to the technical field of communications, and particularly relates to a modulation and coding scheme determination method, a communication device, and a storage medium. The modulation and coding scheme determination method comprises: according to first information, determining a modulation and coding scheme for data communication performed in at least one of a plurality of time-domain units, wherein the plurality of time-domain units comprise a first-type time-domain unit configured with a sub-band, and a second-type time-domain unit which is not configured with a sub-band. The present disclosure is conducive to alleviating the impact of interference on data communication performed in a first-type time-domain unit, thereby ensuring the communication quality of data communication performed in the first-type time-domain unit.

Description

Modulation coding strategy determination method, communication device, and storage medium Technical Field

The present disclosure relates to the field of communication technology, and in particular to a modulation and coding strategy determination method, a terminal, a network device, a communication device, a communication system and a storage medium.

Background Art

Network devices can communicate with terminals in time domain units. In a time slot unit, network devices can only perform uplink or downlink communication. In order to improve communication efficiency, network devices can perform both uplink and downlink communication in a time slot unit, thereby achieving full-duplex communication of network devices. However, in the full-duplex communication scenario, there will be some technical problems.

Summary of the invention

The embodiments of the present disclosure propose a modulation and coding strategy determination method, a communication device, and a storage medium to solve the technical problems in the related art in a communication scenario where subbands are configured in a time domain unit.

According to a first aspect of an embodiment of the present disclosure, a modulation coding strategy determination method is proposed, which is executed by a terminal, and the method includes: determining a modulation coding strategy for data communication on at least one time domain unit among multiple time domain units based on first information, wherein the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

According to the second aspect of an embodiment of the present disclosure, a method for determining a modulation and coding strategy is proposed, which is executed by a network device, and the method includes: sending first information to a terminal, wherein the first information is used to determine a modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units, and the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

According to the third aspect of an embodiment of the present disclosure, a method for determining a modulation and coding strategy is proposed, the method comprising: a network device sends first information to a terminal; the terminal determines a modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units based on the first information, wherein the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

According to a fourth aspect of an embodiment of the present disclosure, a terminal is proposed, comprising: one or more processors; wherein the terminal is used to execute the modulation and coding strategy determination method described in the first aspect above.

According to a fifth aspect of an embodiment of the present disclosure, a network device is proposed, comprising: one or more processors; wherein the network device is used to execute the modulation and coding strategy determination method described in the second aspect above.

According to the sixth aspect of an embodiment of the present disclosure, a communication device is proposed, comprising: one or more processors; wherein the processor is used to call instructions so that the communication device executes the modulation and coding strategy determination method described in any one of the first aspect and the second aspect.

According to the seventh aspect of an embodiment of the present disclosure, a communication system is proposed, comprising a terminal, an access network device, and a core network device, wherein the terminal is configured to implement the modulation and coding strategy determination method described in any one of the first aspect and the second aspect.

According to an eighth aspect of an embodiment of the present disclosure, a storage medium is provided, wherein the storage medium stores instructions, and when the instructions are executed on a communication device, the communication device executes any one of the first aspect and the second aspect. The modulation and coding strategy determination method.

According to the embodiments of the present disclosure, it is helpful to alleviate the influence of interference on data communication in the first type of time domain unit, thereby ensuring the communication quality of data communication in the first type of time domain unit.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

FIG1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.

FIG2 is an interactive schematic diagram of a modulation and coding strategy determination method according to an embodiment of the present disclosure.

FIG3 is a schematic flow chart of a method for determining a modulation and coding strategy according to an embodiment of the present disclosure.

FIG4 is a schematic diagram showing a network device performing full-duplex communication in a SBFD time slot according to an embodiment of the present disclosure.

FIG5 is a schematic diagram showing a central frequency point of a bandwidth portion according to an embodiment of the present disclosure.

FIG6 is a schematic diagram showing an uplink subband according to an embodiment of the present disclosure.

FIG. 7 is a schematic diagram showing a data communication according to an embodiment of the present disclosure.

FIG. 8 is a schematic diagram showing another data communication according to an embodiment of the present disclosure.

FIG. 9 is a schematic flowchart of a method for determining a modulation and coding strategy according to an embodiment of the present disclosure.

FIG10 is a schematic block diagram of a terminal according to an embodiment of the present disclosure.

FIG. 11 is a schematic block diagram of a network device according to an embodiment of the present disclosure.

FIG. 12 is a schematic diagram of the structure of a communication device proposed in an embodiment of the present disclosure.

FIG. 13 is a schematic diagram of the structure of a chip proposed in an embodiment of the present disclosure.

DETAILED DESCRIPTION

The embodiments of the present disclosure provide a modulation and coding strategy determination method, a terminal, a network device, a communication device, a communication system, and a storage medium.

In a first aspect, an embodiment of the present disclosure proposes a method for determining a modulation coding strategy, which is executed by a terminal, and the method includes: determining a modulation coding strategy for data communication on at least one time domain unit among multiple time domain units based on first information, wherein the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

In the above embodiment, the terminal can communicate data with the network device in multiple time domain units. When the multiple time domain units include a first type of time domain unit and a second type of time domain unit, the terminal can determine the modulation and coding strategy for data communication on at least one time domain unit based on the first information, wherein the modulation and coding strategies for data communication on the first type of time domain unit and the second type of time domain unit may be different.

Accordingly, it is convenient for the terminal to adopt different modulation and coding strategies for data communication in the first type of time domain unit and the second type of time domain unit, which is conducive to alleviating the impact of interference on data communication in the first type of time domain unit, and thus ensuring the communication quality of data communication in the first type of time domain unit.

In combination with some embodiments of the first aspect. In some embodiments, the data communication includes at least one of the following:

Repeating the received physical downlink shared channel on the multiple time domain units;

A physical uplink shared channel repeatedly transmitted on the plurality of time domain units;

A physical uplink shared channel sent in a configuration authorization manner on the multiple time domain units;

A physical downlink shared channel is received on the multiple time domain units based on a triggering manner.

In the above embodiment, the method described in this embodiment can be applied to a variety of data communication scenarios, which is convenient for expansion and implementation.

In combination with some embodiments of the first aspect. In some embodiments, the first information is used to instruct the terminal to determine a first modulation and coding strategy for data communication on the first type of time domain unit and a second modulation and coding strategy for data communication on the second type of time domain unit based on a first offset and a first index corresponding to a modulation and coding strategy indicated by a network device.

In the above embodiment, it is convenient for the terminal to determine the first modulation and coding strategy for data communication on the first type of time domain unit and the second modulation and coding strategy for data communication on the second type of time domain unit.

In combination with some embodiments of the first aspect. In some embodiments, determining the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units according to the first information includes: determining that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index, and the modulation and coding strategy for data communication on the second type of time domain unit is the second modulation and coding strategy corresponding to the second index, wherein the second index is determined according to the first index and the first offset; or determining that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index, and the modulation and coding strategy for data communication on the first type of time domain unit is the second modulation and coding strategy corresponding to the second index, wherein the second index is determined according to the first index and the first offset.

In the above embodiment, it is convenient for the terminal to determine the modulation and coding strategies corresponding to the two indexes respectively as the modulation and coding strategies for data communication on the two types of time domain units.

In combination with some embodiments of the first aspect. In some embodiments, the method for determining a modulation and coding strategy further includes: determining, according to an instruction of a network device, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or determining, according to an instruction of a network device, that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

In the above embodiment, it is convenient for the terminal to determine the first modulation and coding strategy corresponding to the first index according to the instruction of the network device, specifically, the modulation and coding strategy for data communication on which type of time domain unit.

In combination with some embodiments of the first aspect. In some embodiments, the method for determining the modulation and coding strategy also includes: determining, according to a protocol agreement, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or determining, according to a protocol agreement, that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

In the above embodiment, it is convenient for the terminal to determine the first modulation and coding strategy corresponding to the first index according to the protocol agreement, specifically, the modulation and coding strategy for data communication on which type of time domain unit.

In combination with some embodiments of the first aspect, in some embodiments, the first offset is determined based on a protocol agreement, or is indicated by a network device.

In combination with some embodiments of the first aspect, in some embodiments, the first information is used to instruct the terminal to determine a modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units according to multiple first indexes corresponding to multiple modulation and coding strategies.

In the above embodiment, the terminal determines the modulation and coding strategy for data communication on at least one time domain unit based on multiple first indexes without considering the first offset, which facilitates determining the modulation and coding strategy for data communication on multiple time domain units.

In combination with some embodiments of the first aspect. In some embodiments, the multiple first indices are two first indices, wherein the modulation and coding strategy corresponding to one first index is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to the other first index is the modulation and coding strategy for data communication on the second type of time domain unit.

In combination with some embodiments of the first aspect. In some embodiments, the first information is used to instruct the terminal to determine the modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units according to a first index corresponding to a modulation and coding strategy indicated by a network device and multiple modulation and coding strategy tables.

In the above embodiment, the terminal determines the modulation and coding strategy for data communication on at least one time domain unit based on a first index and multiple modulation and coding strategy tables, rather than multiple first indexes, which is beneficial to saving resources of network device indication indexes.

In combination with some embodiments of the first aspect. In some embodiments, the multiple modulation and coding strategy tables are two modulation and coding strategy tables, wherein the modulation and coding strategy corresponding to the first index in one modulation and coding strategy table is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to the first index in another modulation and coding strategy table is the modulation and coding strategy for data communication on the second type of time domain unit.

In combination with some embodiments of the first aspect, in some embodiments, the subband includes at least one of the following: an uplink subband; a downlink subband.

In combination with some embodiments of the first aspect, in some embodiments, the first information includes at least one of the following: a rule agreed upon by a protocol; or a signaling of a network device.

In the second aspect, an embodiment of the present disclosure proposes a method for determining a modulation and coding strategy, which is executed by a network device, and the method includes: sending first information to a terminal, wherein the first information is used to determine a modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units, and the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

In the above embodiment,

In combination with some embodiments of the second aspect. In some embodiments, the data communication includes at least one of the following:

Repeating the received physical downlink shared channel on the multiple time domain units;

A physical uplink shared channel repeatedly transmitted on the plurality of time domain units;

A physical uplink shared channel sent in a configuration authorization manner on the multiple time domain units;

A physical downlink shared channel is received on the multiple time domain units based on a triggering manner.

In combination with some embodiments of the second aspect. In some embodiments, the first information is used to instruct the terminal to determine a first modulation and coding strategy for data communication on the first type of time domain unit and a second modulation and coding strategy for data communication on the second type of time domain unit based on a first offset and a first index corresponding to a modulation and coding strategy indicated by a network device.

In combination with some embodiments of the second aspect. In some embodiments, the modulation and coding strategy determination method further includes: instructing the terminal to determine that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or, instructing the terminal to determine that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

In combination with some embodiments of the second aspect, in some embodiments, the first offset is determined based on a protocol agreement, or is indicated by the network device.

In combination with some embodiments of the second aspect, in some embodiments, the first information is used to instruct the terminal to determine a modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units according to multiple first indexes corresponding to multiple modulation and coding strategies.

In combination with some embodiments of the second aspect. In some embodiments, the multiple first indices are two first indices, wherein the modulation and coding strategy corresponding to one first index is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to the other first index is the modulation and coding strategy for data communication on the second type of time domain unit.

In combination with some embodiments of the second aspect. In some embodiments, the first information is used to instruct the terminal to determine the modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units according to a first index corresponding to a modulation and coding strategy indicated by a network device and multiple modulation and coding strategy tables.

In combination with some embodiments of the second aspect. In some embodiments, the multiple modulation and coding strategy tables are two modulation and coding strategy tables, wherein the modulation and coding strategy corresponding to the first index in one modulation and coding strategy table is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to the first index in another modulation and coding strategy table is the modulation and coding strategy for data communication on the second type of time domain unit.

In combination with some embodiments of the second aspect, in some embodiments, the subband includes at least one of the following: an uplink subband; a downlink subband.

In the third aspect, an embodiment of the present disclosure proposes a method for determining a modulation and coding strategy, the method comprising: a network device sends first information to a terminal; the terminal determines a modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units based on the first information, wherein the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

In a fourth aspect, an embodiment of the present disclosure proposes a terminal, comprising: one or more processors; wherein the terminal is used to execute the modulation and coding strategy determination method described in the first aspect and the optional implementation method of the first aspect.

In a fifth aspect, an embodiment of the present disclosure proposes a network device, comprising: one or more processors; wherein the network device is used to execute the modulation and coding strategy determination method described in the first aspect and the optional implementation method of the second aspect.

In a sixth aspect, an embodiment of the present disclosure proposes a communication device, wherein the communication device includes: one or more processors; one or more memories for storing instructions; wherein the processor is used to call the instructions so that the communication device executes the xx method described in the first and second aspects, and the optional implementation methods of the first and second aspects.

In the seventh aspect, an embodiment of the present disclosure proposes a communication system, which includes: a terminal, an access network device, and a core network device; wherein the terminal is configured to execute the method described in the first aspect and the second aspect, and the optional implementation of the first aspect and the second aspect, and the network device is configured to execute the method described in the first aspect and the second aspect, and the optional implementation of the first aspect and the second aspect.

In an eighth aspect, an embodiment of the present disclosure proposes a storage medium, wherein the storage medium stores instructions. When the instructions are executed on a communication device, the communication device executes the method described in the first and second aspects, and the optional implementation methods of the first and second aspects.

In a ninth aspect, an embodiment of the present disclosure proposes a program product. When the program product is executed by a communication device, the communication device executes the method described in the first and second aspects and the optional implementation methods of the first and second aspects.

In a tenth aspect, an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the first and second aspects, and the optional implementations of the first and second aspects.

It is understandable that the above-mentioned terminals, network devices, communication devices, communication systems, storage media, program products, and computer programs are all used to execute the methods proposed in the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects in the corresponding methods, which will not be repeated here.

The embodiments of the present disclosure propose a modulation and coding strategy determination method, a communication device, and a storage medium. In some embodiments, the terms such as modulation and coding strategy determination method, information processing method, and communication method can be replaced with each other, the terms such as terminal, network device, information processing device, and communication device can be replaced with each other, and the terms such as information processing system and communication system can be replaced with each other.

The embodiments of the present disclosure are not exhaustive, but are only illustrative of some embodiments, and are not intended to be a specific limitation on the scope of protection of the present disclosure. In the absence of contradiction, each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged. In addition, the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined, for example, some or all of the steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

In each embodiment of the present disclosure, unless otherwise specified or there is a logical conflict, the terms and/or descriptions between the embodiments are consistent and can be referenced to each other, and the technical features in different embodiments can be combined to form a new embodiment based on their internal logical relationships.

The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.

In the embodiments of the present disclosure, unless otherwise specified, elements expressed in the singular form, such as "one", "an", "the", "above", "said", "foregoing", "this", etc., may mean "one and only one", or may mean "one or more", "at least one", etc.

In the embodiments of the present disclosure, “plurality” refers to two or more.

In some embodiments, the terms "at least one of", "one or more", "a plurality of", "multiple", etc. can be used interchangeably.

In some embodiments, "at least one of A and B", "A and/or B", "A in one case, B in another case", "in response to one case A, in response to another case B", etc., may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). When there are more branches such as A, B, C, etc., the above is also similar.

In some embodiments, the recording method of "A or B" may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). When there are more branches such as A, B, C, etc., the above is also similar.

The prefixes such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different description objects, and do not limit the position, order, priority, quantity or content of the description objects. For the description of the description objects, please refer to the description in the context of the claims or embodiments, and the use of prefixes should not constitute unnecessary restrictions. For example, if the description object is "field", the ordinal number before "field" in "first field" and "second field" does not limit the order between "fields". In terms of position or order, "first" and "second" do not limit whether the "fields" they modify are in the same message, nor do they limit the order of the "first field" and the "second field". For another example, if the description object is "level", the ordinal number before the "level" in "first level" and "second level" does not limit the priority between the "levels". For another example, the number of description objects is not limited by ordinal numbers and can be one or more. For example, "first device" is used as an example, in which the number of "devices" can be one or more. In addition, the objects modified by different prefixes can be the same or different. For example, if the description object is "device", the "first device" and the "second device" can be the same device or different devices, and their types can be the same or different. For another example, if the description object is "information", the "first information" and the "second information" can be the same information or different information, and their contents can be the same or different.

In some embodiments, “including A”, “comprising A”, “used to indicate A”, and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

In some embodiments, terms such as "in response to ...", "in response to determining ...", "in the case of ...", "at the time of ...", "when ...", "if ...", "if ...", etc. can be used interchangeably.

In some embodiments, devices and the like can be interpreted as physical or virtual, and their names are not limited to those in the embodiments.

The recorded names, terms such as "device", "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", and "subject" can be used interchangeably.

In some embodiments, "network" may be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).

In some embodiments, the terms "access network device (AN device), "radio access network device (RAN device)", "base station (BS)", "radio base station (radio base station)", "fixed station (fixed station)", "node", "access point (access point)", "transmission point (TP)", "reception point (RP)", "transmission/reception point (TRP)", "panel", "antenna panel (antenna panel)", "antenna array (antenna array)", "cell", "macro cell", "small cell (small cell)", "femto cell (femto cell)", "pico cell (pico cell)", "sector (sector)", "cell group (cell)", "serving cell", "carrier (carrier)", "component carrier (component carrier)", "bandwidth part (bandwidth part (BWP))" and so on can be used interchangeably.

In some embodiments, the terms "terminal", "terminal device", "user equipment (UE)", "user terminal" "mobile station (MS)", "mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client and the like can be used interchangeably.

In some embodiments, the access network device, the core network device, or the network device may be replaced by a terminal. For example, the embodiments of the present disclosure may also be applied to a structure in which the communication between the access network device, the core network device, or the network device and the terminal is replaced by communication between multiple terminals (for example, device-to-device (D2D), vehicle-to-everything (V2X), etc.). In this case, it may also be configured that the terminal has all or part of the functions of the access network device. In addition, the terms "uplink" and "downlink" may also be replaced. The term "side" may be replaced with a term corresponding to inter-terminal communication (eg, "uplink channel", downlink channel, etc.). For example, uplink channel, downlink channel, etc. may be replaced with sidelink channel, and uplink, downlink, etc. may be replaced with sidelink.

In some embodiments, the terminal may be replaced by an access network device, a core network device, or a network device. In this case, the access network device, the core network device, or the network device may also be configured to have a structure that has all or part of the functions of the terminal.

In some embodiments, acquisition of data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

In some embodiments, data, information, etc. may be obtained with the user's consent.

In addition, each element, each row, or each column in the table of the embodiments of the present disclosure may be implemented as an independent embodiment, and the combination of any elements, any rows, or any columns may also be implemented as an independent embodiment.

FIG1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.

As shown in Figure 1, the communication system 100 includes a terminal 101 and a network device 102, wherein the network device includes at least one of the following: an access network device and a core network device.

In some embodiments, the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited to these.

In some embodiments, the access network device is, for example, a node or device that accesses a terminal to a wireless network. The access network device may include an evolved Node B (eNB), a next generation evolved Node B (ng-eNB), a next generation Node B (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.

In some embodiments, the core network device may be a device including one or more network elements, or may be multiple devices or device groups, each including all or part of the one or more network elements. The network element may be virtual or physical. The core network may include, for example, at least one of the Evolved Packet Core (EPC), the 5G Core Network (5GCN), and the Next Generation Core (NGC).

In some embodiments, the technical solution of the present disclosure may be applicable to the Open RAN architecture. In this case, the interfaces between access network devices or within access network devices involved in the embodiments of the present disclosure may become internal interfaces of Open RAN, and the processes and information interactions between these internal interfaces may be implemented through software or programs.

In some embodiments, the access network device may be composed of a centralized unit (central unit, CU) and a distributed unit (distributed unit, DU), wherein the CU may also be referred to as a control unit (control unit). The CU-DU structure may be used to split the protocol layer of the access network device, with some functions of the protocol layer being centrally controlled by the CU, and the remaining part or all of the functions of the protocol layer being distributed in the DU, and the DU being centrally controlled by the CU, but not limited to this.

It can be understood that the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure. A person of ordinary skill in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.

The following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or part of the subject, but are not limited thereto. The subjects shown in FIG1 are examples, and the communication system may include all or part of the subjects in FIG1 , or may include other subjects other than FIG1 , and the number and form of the subjects are arbitrary, and the subjects may be physical or virtual, and the connection relationship between the subjects is an example, and the subjects may be connected or disconnected, and the connection may be in any manner, and may be a direct connection or an indirect connection, and may be a wired connection or a wireless connection.

The embodiments of the present disclosure may be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, the fourth generation mobile communication system (4G), the fifth generation mobile communication system (5G), 5G new radio (NR), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New radio access (NX), Future generation radio access ... The present invention relates to wireless communication systems such as LTE, Wi-Fi (X), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) network, Device to Device (D2D) system, Machine to Machine (M2M) system, Internet of Things (IoT) system, Vehicle to Everything (V2X), systems using other communication methods, and next-generation systems expanded based on them. In addition, a combination of multiple systems (for example, a combination of LTE or LTE-A with 5G, etc.) may also be applied.

In some embodiments, the network device may configure a sub-band for the terminal.

In some embodiments, the subband includes at least one of the following: an uplink subband and a downlink subband.

In some embodiments, the network device may configure an uplink subband for the terminal in a first type of time slot, wherein the first type of time slot includes at least one of the following: a downlink time slot and a flexible time slot.

The frequency domain resources corresponding to the downlink time slot are the downlink frequency domain resources, and an uplink sub-band is configured for the terminal in the downlink time slot. The frequency domain resources corresponding to the uplink sub-band in the frequency domain resources of the downlink time slot can be used for uplink communication, so that the network equipment can perform uplink communication in the uplink sub-band corresponding to the downlink time slot, and perform downlink communication in the frequency domain resources outside the uplink sub-band, thereby realizing full-duplex communication.

The frequency domain resources corresponding to the flexible time slot can be configured or scheduled as downlink frequency domain resources, and the uplink subband is configured for the terminal in the flexible time slot, and the frequency domain resources corresponding to the uplink subband in the frequency domain resources of the flexible time slot can be used for uplink communication, so that the network equipment can perform uplink communication in the uplink subband corresponding to the flexible time slot, and perform downlink communication in the frequency domain resources outside the uplink subband, thereby realizing full-duplex communication. For example, a time domain unit configured with a subband can be called a subband based full duplex (SBFD) time domain unit.

In some embodiments, the network device may configure a downlink subband for the terminal in a second type of time slot, wherein the second type of time slot includes at least one of the following: an uplink time slot and a flexible time slot.

The frequency domain resources corresponding to the uplink time slot are the uplink frequency domain resources, and the downlink subband is configured for the terminal in the uplink time slot. The frequency domain resources corresponding to the downlink subband in the frequency domain resources of the uplink time slot can be used for downlink communication, so that the network equipment can perform downlink communication in the downlink subband corresponding to the uplink time slot, as well as in the frequency domain resources outside the downlink subband. Uplink communication is carried out in the , thus achieving full-duplex communication.

The frequency domain resources corresponding to the flexible time slot can be configured or scheduled as uplink frequency domain resources, and a downlink sub-band is configured for the terminal in the flexible time slot. The frequency domain resources corresponding to the downlink sub-band in the frequency domain resources of the flexible time slot can be used for downlink communication. Therefore, the network equipment can perform downlink communication in the downlink sub-band corresponding to the flexible time slot, and perform uplink communication in the frequency domain resources outside the downlink sub-band, thereby realizing full-duplex communication.

In some embodiments, the communication that can be performed between the terminal and the network device in the time domain unit includes at least one of the following: data communication, non-data communication (eg, signaling communication).

When a terminal performs data communication in a time domain unit (for example, the terminal sends a transport block (TB) to a network device or receives a transport block sent by a network device), in some scenarios, data communication can be performed in multiple time domain units, for example, the Physical Downlink Shared Channel (PDSCH) can be repeatedly received (repetition) in multiple time domain units. For data communication in multiple time domain units, a modulation and coding scheme (MCS) can be configured.

However, when the multiple time domain units include SBFD time domain units and non-SBFD time domain units (i.e., time domain units without subband configuration), since there are both uplink and downlink communications in the SBFD time domain units, and there are only uplink or downlink communications in the non-SBFD time domain units, the interference in the SBFD time domain units is relatively large relative to the interference in the non-SBFD time domain units. The interference may include interference for the network device and/or interference for the terminal.

If the same modulation and coding strategy is used for communication in multiple time domain units, it is difficult for the modulation and coding strategy to be well applied to the SBFD time domain unit and the non-SBFD time domain unit at the same time, which easily affects the communication quality in the SBFD time domain unit.

FIG2 is an interactive schematic diagram of a modulation and coding strategy determination method according to an embodiment of the present disclosure.

As shown in FIG. 2 , the modulation and coding strategy determination method may include the following steps:

Step S201: The network device sends first information to the terminal.

In some embodiments, the terminal receives first information.

In some embodiments, the first information is used to determine a modulation and coding strategy for data communication on at least one time domain unit among the plurality of time domain units.

In some embodiments, the plurality of time domain units include first-type time domain units configured with subbands and second-type time domain units not configured with subbands.

In some embodiments, the time domain unit includes at least one of the following: a frame, a subframe, a time slot, and a symbol, wherein the symbol may be, for example, an orthogonal frequency division multiplexing symbol.

In some embodiments, the network device may send first indication information to the terminal, and the first indication information may include a first index.

Since one index corresponds to a modulation and coding strategy, in order to determine the first modulation and coding strategy and the second modulation and coding strategy, the terminal can determine the second index based on the first index and the first offset, so that the first index and the second index can correspond to the modulation and coding strategies respectively, for example, the first index corresponds to the first modulation and coding strategy, and the second index corresponds to the second modulation and coding strategy.

Step S202: The terminal determines a modulation and coding strategy for data communication on at least one time domain unit among a plurality of time domain units according to the first information.

In some embodiments, the first information may be received from a network device, or the first information may be received from a network device. Determined according to the agreement.

In some embodiments, when the terminal determines the first information according to a protocol agreement, the terminal may perform an operation according to step S202, and step S201 is optional.

In some embodiments, when receiving the first information from the network device, the network device may send the first information to the terminal via radio resource control signaling.

In some embodiments, the data communication includes at least one of the following:

Repeating the received physical downlink shared channel on the multiple time domain units;

A physical uplink shared channel repeatedly transmitted on the plurality of time domain units;

A physical uplink shared channel sent in a configuration authorization manner on the multiple time domain units;

A physical downlink shared channel is received on the multiple time domain units based on a triggering manner.

In some embodiments, the terminal may store an association relationship between the index and the modulation and coding strategy, wherein the association relationship may be, for example, a relationship table between the modulation and coding strategy and the index.

In some embodiments, the first information is used to instruct the terminal to determine a first modulation and coding strategy for data communication on the first type of time domain unit and a second modulation and coding strategy for data communication on the second type of time domain unit based on a first offset and a first index corresponding to a modulation and coding strategy indicated by a network device.

In some embodiments, determining the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units based on the first information includes: determining the modulation and coding strategy for data communication on the first type of time domain unit as the first modulation and coding strategy corresponding to the first index, and determining the modulation and coding strategy for data communication on the second type of time domain unit as the second modulation and coding strategy corresponding to the second index, wherein the second index is determined based on the first index and the first offset.

In some embodiments, determining the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units based on the first information includes: determining the modulation and coding strategy for data communication on the second type of time domain unit as the first modulation and coding strategy corresponding to the first index, and determining the modulation and coding strategy for data communication on the first type of time domain unit as the second modulation and coding strategy corresponding to the second index, wherein the second index is determined based on the first index and the first offset.

In some embodiments, the modulation and coding strategy determination method further includes: determining, according to an instruction of a network device, that the modulation and coding strategy for data communication on the first type of time domain unit is a first modulation and coding strategy corresponding to the first index.

In some embodiments, the modulation and coding strategy determination method further includes: determining, according to an instruction of a network device, that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

In some embodiments, the modulation and coding strategy determination method further includes: determining, according to a protocol agreement, that the modulation and coding strategy for data communication on the first type of time domain unit is a first modulation and coding strategy corresponding to the first index.

In some embodiments, the modulation and coding strategy determination method further includes: determining, according to a protocol agreement, that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

In some embodiments, the first offset is determined based on a protocol agreement.

In some embodiments, the first offset is indicated by a network device.

In some embodiments, the first information is used to indicate that the terminal corresponds to a plurality of modulation and coding strategies. A plurality of first indexes are used to determine a modulation and coding strategy for data communication on at least one time domain unit among the plurality of time domain units.

In some embodiments, the plurality of first indexes are two first indexes.

In some embodiments, the modulation and coding strategy corresponding to a first index is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to another first index is the modulation and coding strategy for data communication on the second type of time domain unit.

In some embodiments, the network device can indicate to the terminal the association relationship between the two first indexes and the first type of time domain unit and the second type of time domain unit, or the terminal can determine the association relationship between the two first indexes and the first type of time domain unit and the second type of time domain unit based on protocol agreement.

In some embodiments, the first information is used to instruct the terminal to determine the modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units according to a first index corresponding to a modulation and coding strategy indicated by a network device and multiple modulation and coding strategy tables.

In some embodiments, the modulation and coding strategy table may be determined according to a protocol agreement, or may be indicated by a network device. For example, the network device may indicate multiple modulation and coding strategy tables to the terminal through radio resource control signaling.

In some embodiments, the multiple modulation and coding strategy tables are two modulation and coding strategy tables, wherein the modulation and coding strategy corresponding to the first index in one modulation and coding strategy table is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to the first index in another modulation and coding strategy table is the modulation and coding strategy for data communication on the second type of time domain unit.

In some embodiments, the network device can indicate to the terminal the association relationship between the two modulation and coding strategy tables and the first type of time domain unit and the second type of time domain unit, or the terminal can determine the association relationship between the two modulation and coding strategy tables and the first type of time domain unit and the second type of time domain unit based on protocol agreement.

In some embodiments, the sub-band includes at least one of the following: an uplink sub-band; a downlink sub-band.

In some embodiments, the first information includes at least one of the following: rules agreed upon by a protocol; signaling of a network device.

The communication method involved in the embodiment of the present disclosure may include at least one of step S201 to step S202. For example, step S201 may be implemented as an independent embodiment, step S201 may be implemented as an independent embodiment, and step S201+S202 may be implemented as an independent embodiment, but it is not limited thereto.

In some embodiments, steps S201 and S202 may be performed in an interchangeable order or simultaneously.

In some embodiments, reference may be made to other optional implementations recorded before or after the description corresponding to FIG. 2 .

In a first aspect, an embodiment of the present disclosure proposes a method for determining a modulation and coding strategy. Fig. 3 is a schematic flow chart of a method for determining a modulation and coding strategy according to an embodiment of the present disclosure. The method for determining a modulation and coding strategy shown in this embodiment can be executed by a terminal.

As shown in FIG3 , the modulation and coding strategy determination method may include the following steps:

In step S301, a modulation and coding strategy for data communication on at least one time domain unit among a plurality of time domain units is determined according to first information, wherein the plurality of time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

In some embodiments, the first information includes at least one of the following: rules agreed upon by a protocol; signaling of a network device, such as Radio Resource Control (RRC) signaling.

In some embodiments, the terminal can communicate data with a network device in multiple time domain units. When the multiple time domain units include a first type of time domain unit (e.g., an SBFD time domain unit) and a second type of time domain unit (e.g., a non-SBFD time domain unit), the terminal can determine the modulation and coding strategy for data communication on at least one time domain unit based on the first information, wherein the modulation and coding strategies for data communication on the first type of time domain unit and the second type of time domain unit may be different.

Accordingly, it is convenient for the terminal to adopt different modulation and coding strategies for data communication in the first type of time domain unit and the second type of time domain unit, which is conducive to alleviating the impact of interference on data communication in the first type of time domain unit, and thus ensuring the communication quality of data communication in the first type of time domain unit.

In some embodiments, data communication is not limited to the terminal receiving the repeatedly transmitted physical downlink shared channel, and may also include other types of data communication. For example, data communication includes at least one of the following:

Repeating the received physical downlink shared channel on the multiple time domain units;

A physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) repeatedly transmitted on the plurality of time domain units;

A physical uplink shared channel sent on the plurality of time domain units based on a configured grant (CG);

A physical downlink shared channel is received on the multiple time domain units based on a triggering manner.

In some embodiments, the repeatedly transmitted physical uplink shared channel (PUSCH repetition) includes at least one of the following: PUSCH repetition Type A, PUSCH repetition Type B.

In some embodiments, the physical uplink shared channel sent based on the configuration authorization method includes at least one of the following: type-1 CG PUSCH, type-2 CG PUSCH.

In some embodiments, the physical downlink shared channel received based on the triggering manner includes but is not limited to a semi-persistent scheduling (Semi-Persistent Scheduling, SPS) physical downlink shared channel, wherein the semi-persistent scheduling physical downlink shared channel can be triggered by downlink control information (Downlink Control Information, DCI).

In some embodiments, the time domain unit includes at least one of the following: a frame, a subframe, a time slot, and a symbol, wherein the symbol may be, for example, an OFDM (Orthogonal Frequency Division Multiplexing) symbol.

FIG4 is a schematic diagram showing a network device performing full-duplex communication in a SBFD time slot according to an embodiment of the present disclosure.

As shown in FIG4 , taking the case where a network device configures an uplink subband for a terminal in a downlink time slot as an example, the frequency domain resources corresponding to the downlink time slot include at least one bandwidth part (BandWidth Part, BWP).

As shown in case a in Figure 4, the network device can perform uplink communication with the terminal in the uplink subband in the downlink time slot, and can also perform downlink communication with the terminal in the frequency domain resources outside the uplink subband, and the uplink resources used for uplink communication and the downlink resources used for downlink communication may not overlap. It should be noted that the terminal performing uplink communication and the terminal performing downlink communication in the same time slot may be different terminals.

As shown in case b in FIG. 4 , the network device can perform uplink communication with the terminal in the uplink subband in the downlink time slot, and can also perform downlink communication with the terminal in the uplink subband. The uplink resources used for uplink communication and the downlink resources used for downlink communication can completely overlap.

As shown in case c in Figure 4, the network device can perform uplink communication with the terminal in the uplink subband in the downlink time slot, and can also perform downlink communication with the terminal in the uplink subband and frequency domain resources outside the uplink subband. The uplink resources used for uplink communication and the downlink resources used for downlink communication can partially overlap.

FIG5 is a schematic diagram showing a central frequency point of a bandwidth portion according to an embodiment of the present disclosure.

In one embodiment, the SBFD time slot may correspond to a time division duplexing (TDD) frequency band in the frequency domain, and the network device may configure an uplink bandwidth part and a downlink bandwidth part for the terminal in the TDD frequency band. As shown in FIG5 , the network device may align the center frequency point of the uplink bandwidth part with the center frequency point of the downlink bandwidth part, and then configure the uplink bandwidth part and the downlink bandwidth part after the center frequency points are aligned to the terminal.

It should be noted that the frequency domain ranges of the downlink bandwidth part and the uplink bandwidth part may be the same or different, and the present disclosure does not limit this.

For example, the time slot structure configured by the network device for the terminal through time division duplex uplink and downlink configuration (TDD UL-DL configuration) is DDDDDDSUUU, where D represents the downlink time slot, U represents the uplink time slot, and S represents the flexible time slot. That is, in the 10 time slots, slot#0 to slot#5 are downlink time slots, slot#6 is the flexible time slot, and slot#7 to slot#9 are uplink time slots.

The frequency domain resources corresponding to the downlink time slot may include a downlink bandwidth part, and the frequency domain resources corresponding to the uplink time slot may include an uplink bandwidth part.

In one embodiment, the operation of aligning the center frequency of the uplink bandwidth part and the center frequency of the downlink bandwidth part can be applicable to scenarios based on asymmetric spectrum (unpaired spectrum) communication, and can also be applicable to scenarios based on symmetric spectrum (paired spectrum) communication.

In some embodiments, the first information is used to instruct the terminal to determine a first modulation and coding strategy for data communication on the first type of time domain unit and a second modulation and coding strategy for data communication on the second type of time domain unit based on a first offset and a first index corresponding to a modulation and coding strategy indicated by a network device.

In some embodiments, the terminal may store an association relationship between an index and a modulation and coding strategy, wherein the association relationship may be, for example, a relationship table between the modulation and coding strategy and the index.

The network device may send a first indication information to the terminal, and the first indication information may include a first index. The terminal may determine the first modulation and coding strategy corresponding to the first index in the above association relationship, and may also determine the second coding strategy based on the first index and the first offset according to the indication of the first information. Then, data communication may be performed on the first type of time domain unit according to one of the first modulation and coding strategies and the second modulation and coding strategies, and data communication may be performed on the second type of time domain unit according to the other modulation and coding strategy of the first modulation and coding strategy and the second modulation and coding strategy.

Based on this, it can be ensured that different modulation and coding strategies are determined for the first type of time domain unit and the second type of time domain unit, which facilitates the use of different modulation and coding strategies for data communication in the first type of time domain unit and the second type of time domain unit, and is beneficial to alleviating the impact of interference on data communication in the first type of time domain unit, thereby ensuring the communication quality of data communication in the first type of time domain unit.

It should be noted that, in the case where the first information is sent by the network device to the terminal, the first indication information is included in the first information, or the first indication information may be included outside the first information.

In some embodiments, the first offset is determined based on a protocol agreement or is indicated by a network device. For example, the first offset can be a positive integer or a negative integer.

For example, when the network device indicates the first offset, the network device may carry the first offset and the first index through the first indication information. Alternatively, the network device may indicate the first offset to the terminal in advance before sending the first indication information. For example, the network device may carry the first offset or the index of the first offset through RRC signaling (also referred to as RRC message) before the first indication information and send it to the terminal.

For example, when the first offset is determined based on a protocol agreement, the network device may not need to indicate to the terminal The first indication information may indicate the first offset, for example, the first indication information may only carry the first index but not the first offset. The terminal may determine the first offset according to the protocol agreement.

In addition, for example, in the case where the first offset is determined based on a protocol agreement, the terminal can determine multiple first offsets based on the protocol agreement, and can also determine the association between the first offset and the first index based on the protocol agreement, and then the terminal can determine the first offset corresponding to the first index indicated by the network device based on the association between the first offset and the first index. Accordingly, it is conducive to flexibly determining the first offset.

In some embodiments, determining, according to the first information, a modulation and coding strategy for data communication on at least one time domain unit among the plurality of time domain units comprises:

Determine that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index, and the modulation and coding strategy for data communication on the second type of time domain unit is the second modulation and coding strategy corresponding to the second index, wherein the second index is determined according to the first index and the first offset; or

Determine that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index, and the modulation and coding strategy for data communication on the first type of time domain unit is the second modulation and coding strategy corresponding to the second index, wherein the second index is determined based on the first index and the first offset.

In some embodiments, the network device may send a first indication message to the terminal, and the first indication message may include a first index. Since an index corresponds to a modulation and coding strategy, in order to determine the first modulation and coding strategy and the second modulation and coding strategy, the terminal may determine the second index based on the first index and the first offset, so that the first index and the second index may correspond to the modulation and coding strategies respectively, for example, the first index corresponds to the first modulation and coding strategy, and the second index corresponds to the second modulation and coding strategy.

Among them, the first index can be used as a reference index. In order to determine the second modulation and coding strategy, the terminal can add (or subtract) the first offset based on the reference index to obtain the second index, and then determine that the modulation and coding strategy corresponding to the second index is the second modulation and coding strategy.

When the terminal determines that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index, the second index can be determined based on the first index and the first offset, and the second modulation and coding strategy corresponding to the second index can be determined. Then, the second modulation and coding strategy can be used as the modulation and coding strategy for data communication on the second type of time domain unit.

When the terminal determines that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index, the second index can be determined based on the first index and the first offset, and the second modulation and coding strategy corresponding to the second index can be determined. Then, the second modulation and coding strategy can be used as the modulation and coding strategy for data communication on the first type of time domain unit.

In some embodiments, the modulation and coding strategy determination method further includes:

Determine, according to an instruction of a network device, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or,

According to the instruction of the network device, the modulation and coding strategy for data communication on the second type of time domain unit is determined to be the first modulation and coding strategy corresponding to the first index.

In some embodiments, the network device may send a first indication message to the terminal, and the first indication message may include a first index. Since an index corresponds to a modulation and coding strategy, the terminal also needs to determine whether the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit or the modulation and coding strategy for data communication on the second type of time domain unit.

In this case, the network device may indicate whether the first modulation and coding strategy corresponding to the first index is a modulation and coding strategy for data communication on the first type of time domain unit or a modulation and coding strategy for data communication on the second type of time domain unit.

For example, when the network device indicates that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit, the terminal can determine, according to the indication of the network device, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index.

For example, when the network device indicates that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the second type of time domain unit, the terminal can determine, according to the indication of the network device, that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

In some embodiments, the modulation and coding strategy determination method further includes:

Determine, according to a protocol agreement, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or,

According to the protocol agreement, the modulation and coding strategy for data communication on the second type of time domain unit is determined to be the first modulation and coding strategy corresponding to the first index.

In some embodiments, the network device may send a first indication message to the terminal, and the first indication message may include a first index. Since an index corresponds to a modulation and coding strategy, the terminal also needs to determine whether the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit or the modulation and coding strategy for data communication on the second type of time domain unit.

In this case, the protocol agreement can determine whether the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit or the modulation and coding strategy for data communication on the second type of time domain unit.

For example, when the protocol agreement determines that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit, the terminal can determine, according to the protocol agreement, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index.

For example, when the protocol agreement determines that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the second type of time domain unit, the terminal can determine, according to the protocol agreement, that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

FIG6 is a schematic diagram showing an uplink subband according to an embodiment of the present disclosure.

For example, a subband includes an uplink subband, a time domain unit includes a time slot, and a network device configures an uplink subband for a terminal in a downlink time slot. As shown in FIG6 , the time slot structure determined by the terminal according to the TDD UL-DL configuration is DDDDDDSUUU, and a TDD UL-DL periodicity includes 10 time slots, slot#0 to slot#9, and the network device configures an uplink subband in slot#0 to slot#3.

FIG. 7 is a schematic diagram showing a data communication according to an embodiment of the present disclosure.

As shown in Figure 7, for example, the data communication performed by the terminal on multiple time slots includes PUSCH repetition, the number of repeated transmissions of PUSCH repetition is 4, and the 4 repeated PUSCHs are located in slot #8 and slot #9 in TDD UL-DL cycle #1, and slot #0 and slot #1 in TDD UL-DL cycle #2.

Since uplink subbands are configured on slot#0 and slot#1, the network device can not only receive PUSCH repetition on the uplink subband in slot#0 and slot#1 of cycle #2, but also perform downlink communication on frequency domain resources outside the uplink subband. For example, downlink communication can interfere with the process of receiving PUSCH repetition. However, in slot#8 and slot#9 of cycle #1, only PUSCH is received, and downlink communication is not performed. Therefore, there is no interference of downlink communication on the process of receiving PUSCH. It can be seen that the interference on slot#0 and slot#1 of cycle #2 is stronger than the interference on slot#8 and slot#9 of cycle #1.

If the modulation and coding strategy is determined by only considering the interference conditions in slot#8 and slot#9 in cycle #1, and the modulation and coding strategy is applied to slot#0 and slot#1 in cycle #2, since the interference in slot#0 and slot#1 in cycle #2 is relatively strong, it is difficult to alleviate the interference in slot#0 and slot#1 in cycle #2 when the modulation and coding strategy is adopted, which is easy to affect the communication quality of the network device receiving PUSCH repetition in slot#0 and slot#1 in cycle #2.

In an embodiment of the present disclosure, the terminal may determine the first index, and then the terminal may determine the second index according to the first index and the first offset. For example, the terminal determines that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit according to an instruction of the network device or a protocol agreement.

Taking the first index index#1 as 13 and the first offset offset as 2 as an example, the terminal can determine the second index index#2=index#1+offset=15. Then, in the relationship table between index and modulation coding strategy, it can be determined that the modulation coding strategy corresponding to index 13 (for example, the modulation coding strategy level is 13) is the modulation coding strategy for sending PUSCH repetition on slot#0 and slot#1 in cycle#2, and the modulation coding strategy corresponding to index 15 (for example, the modulation coding strategy level is 15) is the modulation coding strategy for sending PUSCH repetition on slot#8 and slot#9 in cycle#1.

Since the modulation and coding strategy corresponding to index 13 is more conducive to ensuring the communication quality of data communication when the interference is relatively strong than the modulation and coding strategy corresponding to index 15, the modulation and coding strategy corresponding to index 13 is used for PUSCH repetition communication in slot #0 and slot #1 in period #2 where the interference is relatively strong, which is conducive to ensuring good communication quality.

FIG. 8 is a schematic diagram showing another data communication according to an embodiment of the present disclosure.

As shown in FIG8 , for example, the data communication performed by the terminal on multiple time slots includes CG PUSCH (e.g., Type-1 CG PUSCH), and the transmission period of CG PUSCH is 5 time slots. FIG8 shows three CG PUSCH transmissions, which are respectively located in slot #8 in TDD UL-DL cycle #1, and slot #3 and slot #8 in TDD UL-DL cycle #2.

Since an uplink subband is configured on slot#3, the network device can not only receive CG PUSCH on the uplink subband on slot#3 of cycle #2, but also perform downlink communication on frequency domain resources outside the uplink subband. For example, downlink communication can interfere with the process of receiving CG PUSCH. However, only PUSCH is received on slot#8 of cycle #1 and cycle #2, and downlink communication is not performed. Therefore, there is no interference of downlink communication on the process of receiving CG PUSCH. It can be seen that the interference on slot#3 of cycle #2 is stronger than the interference on slot#8 of cycle #1 and cycle #2.

If the modulation and coding strategy is determined by considering only the interference conditions in slot #8 in cycle #1 and cycle #2, and the modulation and coding strategy is applied to slot #3 in cycle #2, since the interference in slot #3 in cycle #2 is relatively strong, it is difficult to alleviate the interference in slot #3 in cycle #2 when the modulation and coding strategy is adopted, which can easily affect the communication quality of receiving CG PUSCH in slot #3 in cycle #2.

In an embodiment of the present disclosure, the terminal may determine the first index, and then the terminal may determine the second index according to the first index and the first offset. For example, the terminal determines that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit according to an instruction of the network device or a protocol agreement.

Taking the first index index#1 as 13 and the first offset offset as 2 as an example, the terminal can determine the second index index#2=index#1+offset=15. Then, in the relationship table between index and modulation coding strategy, it can be determined that the modulation coding strategy corresponding to index 13 (for example, the modulation coding strategy level is 13) is the modulation coding strategy for sending CG PUSCH on slot#3 in cycle#2, and the modulation coding strategy corresponding to index 15 (for example, the modulation coding strategy level is 15) is the modulation coding strategy for sending CG PUSCH on slot#8 in cycle#1 and cycle#2.

Since the modulation and coding strategy corresponding to index 13 is more conducive to ensuring the communication quality of data communication when the interference is relatively strong than the modulation and coding strategy corresponding to index 15, the modulation and coding strategy corresponding to index 13 is used for CG PUSCH communication in slot #3 in period #2 where the interference is relatively strong, which is conducive to ensuring good communication quality.

In some embodiments, the first index may be indicated by a network device, but the first offset is agreed upon by the protocol, and whether the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit or the modulation and coding strategy for data communication on the second type of time domain unit is also agreed upon by the protocol.

For example, the terminal determines according to the protocol that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the second type of time domain unit, and the first offset offset is -6. When the terminal receives the information sent by the network device, it determines that the first index index#1 is binary 10000, that is, decimal 16, and it can be determined that the second index index#2 = index#1 + offset = 10. It can then be determined that the modulation and coding strategy corresponding to index 16 is the modulation and coding strategy for data communication on the second type of time domain unit (non-SBFD slot), and the modulation and coding strategy corresponding to index 10 is the modulation and coding strategy for data communication on the first type of time domain unit (SBFD slot).

In some embodiments, the first information is used to instruct the terminal to determine a modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units based on a first index corresponding to a modulation and coding strategy indicated by a network device and multiple modulation and coding strategy tables (MCS tables).

For example, multiple modulation and coding strategy tables may be agreed upon by the protocol, or may be pre-configured to the terminal by the network device (for example, before indicating the first index), and the modulation and coding strategy table may characterize the association between the modulation and coding strategy and the index. In multiple modulation and coding strategy tables, each modulation and coding strategy table may be different, that is, the association between the modulation and coding strategy and the index may be different, then the terminal may determine different modulation and coding strategies in each modulation and coding strategy table according to a first index. Accordingly, the terminal may determine the modulation and coding strategy for data communication on at least one time domain unit, and ensure that the modulation and coding strategies for data communication on the first type of time domain unit and the second type of time domain unit are different.

In some embodiments, the modulation and coding strategy table may be determined according to a protocol agreement, or may be indicated by a network device. For example, the network device may indicate multiple modulation and coding strategy tables to the terminal via RRC signaling (also referred to as an RRC message).

In some embodiments, the multiple modulation and coding strategy tables are two modulation and coding strategy tables, wherein the modulation and coding strategy corresponding to the first index in one modulation and coding strategy table is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to the first index in another modulation and coding strategy table is the modulation and coding strategy for data communication on the second type of time domain unit.

For example, two modulation and coding strategy tables are pre-stored in the terminal, and the terminal can determine a first index index#1 according to the first indication information. For example, the two modulation and coding strategy tables are MCS table#1 and MCS table#2. Then, the terminal can determine the modulation and coding strategy corresponding to index#1 in MCS table#1, for example, MCS level 13, and determine the modulation and coding strategy corresponding to index#1 in MCS table#2, for example, MCS level 15.

In some embodiments, the network device can indicate to the terminal the association relationship between the two modulation and coding strategy tables and the first type of time domain unit and the second type of time domain unit, or the terminal can determine the association relationship between the two modulation and coding strategy tables and the first type of time domain unit and the second type of time domain unit based on protocol agreement.

For example, the association relationship between the two modulation and coding strategy tables and the first type of time domain unit and the second type of time domain unit includes: MCS table#1 is associated with the first type of time domain unit, and MCS table#2 is associated with the second type of time domain unit. Then the modulation and coding strategy determined by the terminal in MCS table#1 according to the first index can be used as the modulation and coding strategy used for data communication in the first type of time domain unit, and the modulation and coding strategy determined in MCS table#2 according to the first index can be used as the modulation and coding strategy used for data communication in the second type of time domain unit.

The above embodiments mainly exemplarily describe the case where the terminal determines a first index according to the first information. The following describes the case where the terminal determines multiple first indexes according to the first information through several embodiments.

In some embodiments, the first information is used to instruct the terminal to determine the modulation and coding strategy of data communication on at least one time domain unit in the multiple time domain units according to multiple first indexes corresponding to multiple modulation and coding strategies. Strategy.

The network device can indicate multiple first indexes to the terminal through the first indication information, where one first index can correspond to a modulation and coding strategy. The terminal can then determine multiple modulation and coding strategies based on the multiple first indexes, and further determine the modulation and coding strategy used for data communication in the first type of time domain unit and the modulation and coding strategy used for data communication in the second type of time domain unit from the multiple modulation and coding strategies, thereby determining the modulation and coding strategy for data communication in at least one time domain unit.

In some embodiments, the multiple first indexes are two first indexes, wherein the modulation coding strategy corresponding to one first index is the modulation coding strategy for data communication on the first type of time domain unit, and the modulation coding strategy corresponding to another first index is the modulation coding strategy for data communication on the second type of time domain unit.

For example, data communication includes PUSCH repetition, and the network device can carry two modulation and coding strategy indication information (MCS indication) in the uplink grant (UL grant) scheduling PUSCH, such as the first indexes of two modulation and coding strategies, index#1 and index#2 respectively.

The terminal can determine the modulation and coding strategy MCS#1 corresponding to index#1, and determine the modulation and coding strategy MCS#2 corresponding to index#2. Since MCS#1 and MCS#2 can be different, the terminal can determine the modulation and coding strategies for data communication on the first type of time domain unit and the second type of time domain unit, and ensure that the modulation and coding strategies for data communication on the first type of time domain unit and the second type of time domain unit are different.

In some embodiments, the network device can indicate to the terminal the association relationship between the two first indexes and the first type of time domain unit and the second type of time domain unit, or the terminal can determine the association relationship between the two first indexes and the first type of time domain unit and the second type of time domain unit based on protocol agreement.

For example, the association relationship between the two first indexes and the first type of time domain unit and the second type of time domain unit may include at least one of the following: associating the first type of time domain unit and the second type of time domain unit respectively according to the index from small to large; associating the first type of time domain unit and the second type of time domain unit respectively according to the index from large to small.

Taking the example of associating the first type of time domain unit and the second type of time domain unit according to the index from small to large, index#1 can be associated with the first type of time domain unit, then the modulation and coding strategy MCS#1 corresponding to index#1 can be used as the modulation and coding strategy used for data communication in the first type of time domain unit; index#2 can be associated with the second type of time domain unit, then the modulation and coding strategy MCS#2 corresponding to index#2 can be used as the modulation and coding strategy used for data communication in the second type of time domain unit.

It should be noted that the modulation and coding strategy used for data communication on the first type of time domain unit determined by the terminal and the modulation and coding strategy used for data communication on the first type of time domain unit determined by the network device are the same, and accordingly, the terminal and the network device can use the same modulation and coding strategy for data communication on the first type of time domain unit. The modulation and coding strategy used for data communication on the second type of time domain unit determined by the terminal and the modulation and coding strategy used for data communication on the second type of time domain unit determined by the network device are also the same, and accordingly, the terminal and the network device can use the same modulation and coding strategy for data communication on the second type of time domain unit.

The way in which the network device determines the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units and the way in which the terminal determines the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units may correspond. For example, the terminal determines the modulation and coding strategy used for data communication on the first type of time domain unit and the modulation and coding strategy used for data communication on the second type of time domain unit according to the first index and the first offset indicated by the network device. The network device may also determine the modulation and coding strategy used for data communication on the first type of time domain unit and the modulation and coding strategy used for data communication on the second type of time domain unit according to the first index and the first offset indicated to the terminal. For example, the terminal determines the modulation and coding strategy used for data communication on the first type of time domain unit and the modulation and coding strategy used for data communication on the second type of time domain unit according to the multiple first indices indicated by the network device. The network device may also determine the modulation and coding strategy used for data communication on the first type of time domain unit and the modulation and coding strategy used for data communication on the second type of time domain unit according to the multiple first indices indicated to the terminal. The modulation and coding strategy used for data communication on the first type of time domain unit and the modulation and coding strategy used for data communication on the second type of time domain unit can be specifically referred to the above embodiments and will not be described in detail here.

In a second aspect, an embodiment of the present disclosure proposes a method for determining a modulation and coding strategy. Figure 9 is a schematic flow chart of a method for determining a modulation and coding strategy according to an embodiment of the present disclosure. The method for determining a modulation and coding strategy shown in this embodiment can be executed by a network device.

As shown in FIG. 9 , the modulation and coding strategy determination method may include the following steps:

In step S901, first information is sent to the terminal, wherein the first information is used to determine a modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units, and the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

In some embodiments, the network device may send the first information to the terminal via RRC signaling (also referred to as an RRC message).

In some embodiments, when a terminal communicates data with a network device in multiple time domain units, and the multiple time domain units include a first type of time domain unit (e.g., an SBFD time domain unit) and a second type of time domain unit (e.g., a non-SBFD time domain unit), the network device may send first information to the terminal so that the terminal can determine a modulation and coding strategy for data communication on at least one time domain unit based on the first information, wherein the modulation and coding strategies for data communication on the first type of time domain unit and the second type of time domain unit may be different.

Accordingly, it is convenient for the terminal to adopt different modulation and coding strategies for data communication in the first type of time domain unit and the second type of time domain unit, which is conducive to alleviating the impact of interference on data communication in the first type of time domain unit, and thus ensuring the communication quality of data communication in the first type of time domain unit.

In some embodiments, data communication is not limited to the terminal receiving the repeatedly transmitted physical downlink shared channel, and may also include other types of data communication. For example, data communication includes at least one of the following:

A physical downlink shared channel repeatedly received over a plurality of time domain units;

Physical uplink shared channel (PUSCH) repeatedly transmitted over multiple time domain units;

A physical uplink shared channel transmitted in multiple time domain units based on a configuration grant (CG) method;

A physical downlink shared channel is received in a triggered manner on multiple time domain units.

In some embodiments, the repeatedly transmitted physical uplink shared channel (PUSCH repetition) includes at least one of the following: PUSCH repetition Type A, PUSCH repetition Type B.

In some embodiments, the physical uplink shared channel sent based on the configuration authorization method includes at least one of the following: type-1 CG PUSCH, type-2 CG PUSCH.

In some embodiments, the physical downlink shared channel received based on the triggering manner includes but is not limited to a semi-persistent scheduling (SPS) physical downlink shared channel, wherein the semi-persistent scheduling physical downlink shared channel can be triggered by downlink control information (DCI).

In some embodiments, the time domain unit includes at least one of the following: a frame, a subframe, a time slot, and a symbol, wherein the symbol may be, for example, an OFDM symbol.

In some embodiments, the first information is used to indicate that the terminal determines a first modulation and coding strategy for data communication on a first type of time domain unit and a second modulation and coding strategy for data communication on a second type of time domain unit based on a first offset and a first index corresponding to a modulation and coding strategy indicated by a network device.

In some embodiments, the terminal may store an association relationship between an index and a modulation and coding strategy, wherein the association relationship may be, for example, a relationship table between the modulation and coding strategy and the index.

The network device may send a first indication information to the terminal, and the first indication information may include a first index. The terminal may determine the first modulation and coding strategy corresponding to the first index in the above association relationship, and may also determine the second coding strategy based on the first index and the first offset according to the indication of the first information. Then, data communication may be performed on the first type of time domain unit according to one of the first modulation and coding strategies and the second modulation and coding strategies, and data communication may be performed on the second type of time domain unit according to the other modulation and coding strategy of the first modulation and coding strategy and the second modulation and coding strategy.

Based on this, it can be ensured that different modulation and coding strategies are determined for the first type of time domain unit and the second type of time domain unit, which facilitates the use of different modulation and coding strategies for data communication in the first type of time domain unit and the second type of time domain unit, and is beneficial to alleviating the impact of interference on data communication in the first type of time domain unit, thereby ensuring the communication quality of data communication in the first type of time domain unit.

In some embodiments, the first offset is determined based on a protocol agreement or is indicated by a network device. For example, the first offset may be a positive integer or a negative integer.

For example, when the network device indicates the first offset, the network device may carry the first offset and the first index through the first indication information. Alternatively, the network device may indicate the first offset to the terminal in advance before sending the first indication information. For example, the network device may carry the first offset or the index of the first offset through RRC signaling (also referred to as RRC message) before the first indication information and send it to the terminal.

For example, when the first offset is determined based on a protocol agreement, the network device may not need to indicate the first offset to the terminal, for example, the first indication information may only carry the first index but not the first offset. The terminal may determine the first offset based on the protocol agreement.

In some embodiments, the method further comprises:

instructing the terminal to determine that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or,

The terminal is instructed to determine that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

In some embodiments, the network device may send a first indication message to the terminal, and the first indication message may include a first index. Since an index corresponds to a modulation and coding strategy, in order to determine the first modulation and coding strategy and the second modulation and coding strategy, the terminal may determine the second index based on the first index and the first offset, so that the first index and the second index may correspond to the modulation and coding strategies respectively, for example, the first index corresponds to the first modulation and coding strategy, and the second index corresponds to the second modulation and coding strategy.

Among them, the first index can be used as a reference index. In order to determine the second modulation and coding strategy, the terminal can add (or subtract) the first offset based on the reference index to obtain the second index, and then determine that the modulation and coding strategy corresponding to the second index is the second modulation and coding strategy.

The network device may indicate whether the first modulation and coding strategy corresponding to the first index is a modulation and coding strategy for data communication on the first type of time domain unit or a modulation and coding strategy for data communication on the second type of time domain unit.

For example, when the network device indicates that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit, the terminal can determine, according to the indication of the network device, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index.

For example, when the network device indicates that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the second type of time domain unit, the terminal can determine, according to the indication of the network device, that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

For example, a subband includes an uplink subband, a time domain unit includes a time slot, and a network device configures an uplink subband for a terminal in a downlink time slot. As shown in FIG6 , the time slot structure determined by the terminal according to the TDD UL-DL configuration is DDDDDDSUUU, and a TDD UL-DL periodicity includes 10 time slots, slot#0 to slot#9, and the network device configures an uplink subband in slot#0 to slot#3.

As shown in Figure 7, for example, the data communication performed by the terminal on multiple time slots includes PUSCH repetition, the number of repeated transmissions of PUSCH repetition is 4, and the 4 repeated PUSCHs are located in slot #8 and slot #9 in TDD UL-DL cycle #1, and slot #0 and slot #1 in TDD UL-DL cycle #2.

Since uplink subbands are configured on slot#0 and slot#1, the network device can not only receive PUSCH repetition on the uplink subband in slot#0 and slot#1 of cycle #2, but also perform downlink communication on frequency domain resources outside the uplink subband. For example, downlink communication can interfere with the process of receiving PUSCH repetition. However, in slot#8 and slot#9 of cycle #1, only PUSCH is received, and downlink communication is not performed, so there is no interference of downlink communication on the process of receiving PUSCH. It can be seen that the interference on slot#0 and slot#1 of cycle #2 is stronger than the interference on slot#8 and slot#9 of cycle #1.

If the modulation and coding strategy is determined by only considering the interference conditions in slot#8 and slot#9 in cycle #1, and the modulation and coding strategy is applied to slot#0 and slot#1 in cycle #2, since the interference in slot#0 and slot#1 in cycle #2 is relatively strong, it is difficult to alleviate the interference in slot#0 and slot#1 in cycle #2 when the modulation and coding strategy is adopted, which is easy to affect the communication quality of the network device receiving PUSCH repetition in slot#0 and slot#1 in cycle #2.

In an embodiment of the present disclosure, the terminal may determine the first index, and then the terminal may determine the second index according to the first index and the first offset. For example, the terminal determines that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit according to an instruction of the network device or a protocol agreement.

Taking the first index index#1 as 13 and the first offset offset as 2 as an example, the terminal can determine the second index index#2=index#1+offset=15. Then, in the relationship table between index and modulation coding strategy, it can be determined that the modulation coding strategy corresponding to index 13 (for example, the modulation coding strategy level is 13) is the modulation coding strategy for sending PUSCH repetition on slot#0 and slot#1 in cycle#2, and the modulation coding strategy corresponding to index 15 (for example, the modulation coding strategy level is 15) is the modulation coding strategy for sending PUSCH repetition on slot#8 and slot#9 in cycle#1.

Since the modulation and coding strategy corresponding to index 13 is more conducive to ensuring the communication quality of data communication when the interference is relatively strong than the modulation and coding strategy corresponding to index 15, the modulation and coding strategy corresponding to index 13 is used for PUSCH repetition communication in slot #0 and slot #1 in period #2 where the interference is relatively strong, which is conducive to ensuring good communication quality.

Correspondingly, the network device can also determine the modulation and coding strategy in the above manner, thereby determining the modulation and coding strategy corresponding to index 13 (for example, the modulation and coding strategy level is 13) as the modulation and coding strategy for receiving PUSCH repetition on slot #0 and slot #1 in cycle #2, and determining the modulation and coding strategy corresponding to index 15 (for example, the modulation and coding strategy level is 15) as the modulation and coding strategy for receiving PUSCH repetition on slot #8 and slot #9 in cycle #1.

As shown in FIG8 , for example, the data communication performed by the terminal on multiple time slots includes CG PUSCH, and the transmission period of CG PUSCH is 5 time slots. FIG8 shows three CG PUSCH transmissions, which are located in slot #8 in TDD UL-DL cycle #1, and slot #3 and slot #8 in TDD UL-DL cycle #2.

Since an uplink subband is configured on slot#3, the network device can not only receive CG PUSCH on the uplink subband in slot#3 of cycle#2, but also perform downlink communication on frequency domain resources outside the uplink subband. For example, downlink communication can interfere with the process of receiving CG PUSCH. However, in slot#8 of cycle#1 and cycle#2, only PUSCH is received, and downlink communication is not performed. Therefore, there is no interference of downlink communication on the process of receiving CG PUSCH. It can be seen that the interference on slot #3 of cycle #2 is stronger than the interference on slot #8 of cycle #1 and cycle #2.

If the modulation and coding strategy is determined by only considering the interference conditions in slot #8 in cycle #1 and cycle #2, and the modulation and coding strategy is applied to slot #3 in cycle #2, since the interference in slot #3 in cycle #2 is relatively strong, it is difficult to alleviate the interference in slot #3 in cycle #2 when the modulation and coding strategy is adopted, which can easily affect the communication quality of the network device receiving CG PUSCH in slot #3 in cycle #2.

In an embodiment of the present disclosure, the terminal may determine the first index, and then the terminal may determine the second index according to the first index and the first offset. For example, the terminal determines that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit according to an instruction of the network device or a protocol agreement.

Taking the first index index#1 as 13 and the first offset offset as 2 as an example, the terminal can determine the second index index#2=index#1+offset=15. Then, in the relationship table between index and modulation coding strategy, it can be determined that the modulation coding strategy corresponding to index 13 (for example, the modulation coding strategy level is 13) is the modulation coding strategy for sending CG PUSCH on slot#3 in cycle#2, and the modulation coding strategy corresponding to index 15 (for example, the modulation coding strategy level is 15) is the modulation coding strategy for sending CG PUSCH on slot#8 in cycle#1 and cycle#2.

Since the modulation and coding strategy corresponding to index 13 is more conducive to ensuring the communication quality of data communication when the interference is relatively strong than the modulation and coding strategy corresponding to index 15, the modulation and coding strategy corresponding to index 13 is used for CG PUSCH communication in slot #3 in period #2 where the interference is relatively strong, which is conducive to ensuring good communication quality.

Correspondingly, the network device can also determine the modulation and coding strategy in the above manner, thereby determining the modulation and coding strategy corresponding to index 13 (for example, the modulation and coding strategy level is 13) as the modulation and coding strategy for receiving CG PUSCH on slot #3 in cycle #2, and determining the modulation and coding strategy corresponding to index 15 (for example, the modulation and coding strategy level is 15) as the modulation and coding strategy for receiving CG PUSCH on slot #8 in cycle #1 and cycle #2.

In some embodiments, the first index may be indicated by a network device, but the first offset is agreed upon by the protocol, and whether the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the first type of time domain unit or the modulation and coding strategy for data communication on the second type of time domain unit is also agreed upon by the protocol.

For example, the terminal determines according to the protocol that the first modulation and coding strategy corresponding to the first index is the modulation and coding strategy for data communication on the second type of time domain unit, and the first offset offset is -6. When the terminal receives the information sent by the network device, it determines that the first index index#1 is binary 10000, that is, decimal 16, and it can be determined that the second index index#2 = index#1 + offset = 10. It can then be determined that the modulation and coding strategy corresponding to index 16 is the modulation and coding strategy for data communication on the second type of time domain unit (non-SBFD slot), and the modulation and coding strategy corresponding to index 10 is the modulation and coding strategy for data communication on the first type of time domain unit (SBFD slot).

In some embodiments, the first information is used to instruct the terminal to determine the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units according to a first index corresponding to a modulation and coding strategy indicated by the network device and multiple modulation and coding strategy tables.

For example, multiple modulation and coding strategy tables may be agreed upon by the protocol, or may be pre-configured to the terminal by the network device (for example, before indicating the first index), and the modulation and coding strategy table may characterize the association between the modulation and coding strategy and the index. Among the multiple modulation and coding strategy tables, each modulation and coding strategy table may be different, that is, the association between the modulation and coding strategy and the index may be different. The network device indicates a first index to the terminal, and the terminal may determine different modulation and coding strategies in each modulation and coding strategy table according to the first index. Accordingly, the terminal may determine the modulation and coding strategy for data communication on at least one time domain unit, and ensure that the modulation and coding strategies for data communication on the first type of time domain unit and the second type of time domain unit are different.

In some embodiments, the modulation and coding strategy table may be determined according to a protocol agreement, or may be indicated by a network device. For example, the network device may indicate multiple modulation and coding strategy tables to the terminal via RRC signaling (also referred to as an RRC message).

In some embodiments, the multiple modulation coding strategy tables are two modulation coding strategy tables, wherein the modulation coding strategy corresponding to the first index in one modulation coding strategy table is the modulation coding strategy for data communication on a first type of time domain unit, and the modulation coding strategy corresponding to the first index in another modulation coding strategy table is the modulation coding strategy for data communication on a second type of time domain unit.

For example, two modulation and coding strategy tables are pre-stored in the terminal, and the network device can indicate a first index index#1 to the terminal through the first indication information. For example, the two modulation and coding strategy tables are MCS table#1 and MCS table#2. Then, the terminal can determine the modulation and coding strategy corresponding to index#1 in MCS table#1, such as MCS level 13, and determine the modulation and coding strategy corresponding to index#1 in MCS table#2, such as MCS level 15.

In some embodiments, the network device can indicate to the terminal the association relationship between the two modulation and coding strategy tables and the first type of time domain unit and the second type of time domain unit, or the terminal can determine the association relationship between the two modulation and coding strategy tables and the first type of time domain unit and the second type of time domain unit based on protocol agreement.

For example, the association relationship between the two modulation and coding strategy tables and the first type of time domain unit and the second type of time domain unit includes: MCS table#1 is associated with the first type of time domain unit, and MCS table#2 is associated with the second type of time domain unit. Then the modulation and coding strategy determined by the terminal in MCS table#1 according to the first index can be used as the modulation and coding strategy used for data communication in the first type of time domain unit, and the modulation and coding strategy determined in MCS table#2 according to the first index can be used as the modulation and coding strategy used for data communication in the second type of time domain unit.

In some embodiments, the first information is used to instruct the terminal to determine a modulation and coding strategy for data communication on at least one time domain unit among a plurality of time domain units according to a plurality of first indexes corresponding to a plurality of modulation and coding strategies.

The network device can indicate multiple first indexes to the terminal through the first indication information, where one first index can correspond to a modulation and coding strategy. The terminal can then determine multiple modulation and coding strategies based on the multiple first indexes, and further determine the modulation and coding strategy used for data communication in the first type of time domain unit and the modulation and coding strategy used for data communication in the second type of time domain unit from the multiple modulation and coding strategies, thereby determining the modulation and coding strategy for data communication in at least one time domain unit.

In some embodiments, the multiple first indexes are two first indexes, wherein the modulation coding strategy corresponding to one first index is the modulation coding strategy for data communication on a first type of time domain unit, and the modulation coding strategy corresponding to another first index is the modulation coding strategy for data communication on a second type of time domain unit.

For example, data communication includes PUSCH repetition, and the network device can carry two modulation and coding strategy indication information (MCS indication) in the uplink grant (UL grant) scheduling PUSCH, such as the first indexes of two modulation and coding strategies, index#1 and index#2 respectively.

The terminal can determine the modulation and coding strategy MCS#1 corresponding to index#1, and determine the modulation and coding strategy MCS#2 corresponding to index#2. Since MCS#1 and MCS#2 can be different, the terminal can determine the modulation and coding strategies for data communication on the first type of time domain unit and the second type of time domain unit, and ensure that the modulation and coding strategies for data communication on the first type of time domain unit and the second type of time domain unit are different.

In some embodiments, the network device can indicate to the terminal the association relationship between the two first indexes and the first type of time domain unit and the second type of time domain unit, or the terminal can determine the association relationship between the two first indexes and the first type of time domain unit and the second type of time domain unit based on protocol agreement.

For example, the association relationship between the two first indexes and the first type of time domain unit and the second type of time domain unit may include at least one of the following: associating the first type of time domain unit and the second type of time domain unit respectively according to the index from small to large; associating the first type of time domain unit and the second type of time domain unit respectively according to the index from large to small.

For example, according to the index from small to large, the first type of time domain unit and the second type of time domain unit are associated respectively. Index#1 can be associated with the first type of time domain unit, and the modulation and coding strategy MCS#1 corresponding to index#1 can be used as the modulation and coding strategy in the first type. The modulation and coding strategy used by the time domain unit for data communication; index#2 can be associated with the second type of time domain unit, then the modulation and coding strategy MCS#2 corresponding to index#2 can be used as the modulation and coding strategy used for data communication in the second type of time domain unit.

It should be noted that the modulation and coding strategy used for data communication on the first type of time domain unit determined by the terminal and the modulation and coding strategy used for data communication on the first type of time domain unit determined by the network device are the same, and accordingly, the terminal and the network device can use the same modulation and coding strategy for data communication on the first type of time domain unit. The modulation and coding strategy used for data communication on the second type of time domain unit determined by the terminal and the modulation and coding strategy used for data communication on the second type of time domain unit determined by the network device are also the same, and accordingly, the terminal and the network device can use the same modulation and coding strategy for data communication on the second type of time domain unit.

The way in which the network device determines the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units and the way in which the terminal determines the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units may correspond. For example, the terminal determines the modulation and coding strategy used for data communication on the first type of time domain unit and the modulation and coding strategy used for data communication on the second type of time domain unit according to the first index and the first offset indicated by the network device, and the network device may also determine the modulation and coding strategy used for data communication on the first type of time domain unit and the modulation and coding strategy used for data communication on the second type of time domain unit according to the first index and the first offset indicated to the terminal; for example, the terminal determines the modulation and coding strategy used for data communication on the first type of time domain unit and the modulation and coding strategy used for data communication on the second type of time domain unit according to the multiple first indexes indicated by the network device, and the network device may also determine the modulation and coding strategy used for data communication on the first type of time domain unit and the modulation and coding strategy used for data communication on the second type of time domain unit according to the multiple first indexes and the first offset indicated to the terminal. For details, please refer to the previous embodiment, which will not be repeated here.

In some embodiments, the names of information, etc. are not limited to the names recorded in the embodiments, and terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "code element", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.

In some embodiments, the terms "codebook", "codeword", "precoding matrix" and the like can be interchangeable. For example, a codebook can be a collection of one or more codewords/precoding matrices.

In some embodiments, terms such as "uplink", "uplink", "physical uplink" can be interchangeable, and terms such as "downlink", "downlink", "physical downlink" can be interchangeable, and terms such as "side", "sidelink", "side communication", "sidelink communication", "direct connection", "direct link", "direct communication", "direct link communication" can be interchangeable.

In some embodiments, the terms "downlink control information (DCI)", "downlink (DL) assignment (assignment)", "DL DCI", "uplink (UL) grant (grant)", "UL DCI" and so on can be used interchangeably.

In some embodiments, the terms "physical downlink shared channel (PDSCH)", "DL data" and the like can be interchangeable with each other, and the terms "physical uplink shared channel (PUSCH)", "UL data" and the like can be interchangeable with each other.

In some embodiments, the terms "radio", "wireless", "radio access network (RAN)", "access network (AN)", "RAN-based" and the like may be used interchangeably.

In some embodiments, the term "frame", "radio frame", "subframe", The terms "slot", "sub-slot", "mini-slot", "symbol", "symbol", "transmission time interval (TTI)" and the like are interchangeable.

In some embodiments, "obtain", "obtain", "get", "receive", "transmit", "bidirectional transmission", "send and/or receive" can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from high levels, obtaining by self-processing, autonomous implementation, etc.

In some embodiments, terms such as "send", "transmit", "report", "send", "transmit", "bidirectional transmission", "send and/or receive" can be used interchangeably.

It should be noted that for other contents involved in this embodiment, please refer to the description of the relevant contents in the previous embodiments, which will not be repeated here.

Corresponding to the aforementioned embodiment of the modulation and coding strategy determination method, the present disclosure also provides embodiments of a terminal and a network device.

An embodiment of the present disclosure further proposes a terminal, comprising: one or more processors; wherein the terminal is used to execute the modulation and coding strategy determination method described in the first aspect and the optional embodiment of the first aspect.

Fig. 10 is a schematic block diagram of a terminal according to an embodiment of the present disclosure. As shown in Fig. 10 , the terminal includes: a processing module 1001 .

In some embodiments, the processing module is used to determine a modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units based on the first information, wherein the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

In some embodiments, the data communication includes at least one of the following:

A physical downlink shared channel repeatedly received over a plurality of time domain units;

A physical uplink shared channel that is repeatedly transmitted over multiple time domain units;

A physical uplink shared channel transmitted in a configuration grant manner over multiple time domain units;

A physical downlink shared channel is received in a triggered manner on multiple time domain units.

In some embodiments, the first information is used to indicate that the terminal determines a first modulation and coding strategy for data communication on a first type of time domain unit and a second modulation and coding strategy for data communication on a second type of time domain unit based on a first offset and a first index corresponding to a modulation and coding strategy indicated by a network device.

In some embodiments, the processing module is configured to determine that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index, and the modulation and coding strategy for data communication on the second type of time domain unit is the second modulation and coding strategy corresponding to the second index, wherein the second index is determined based on the first index and the first offset; or, determine that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index, and the modulation and coding strategy for data communication on the first type of time domain unit is the second modulation and coding strategy corresponding to the second index, wherein the second index is determined based on the first index and the first offset.

In some embodiments, the processing module is also configured to determine, based on the indication of the network device, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or, based on the indication of the network device, determine that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

In some embodiments, the processing module is also configured to determine, according to a protocol agreement, that the modulation and coding strategy for data communication on a first type of time domain unit is a first modulation and coding strategy corresponding to a first index; or, according to a protocol agreement, determine that the modulation and coding strategy for data communication on a second type of time domain unit is a first modulation and coding strategy corresponding to a first index.

In some embodiments, the first offset is determined based on a protocol agreement or is indicated by a network device.

In some embodiments, the first information is used to instruct the terminal to determine a modulation and coding strategy for data communication on at least one time domain unit among a plurality of time domain units according to a plurality of first indexes corresponding to a plurality of modulation and coding strategies.

In some embodiments, the multiple first indexes are two first indexes, wherein the modulation coding strategy corresponding to one first index is the modulation coding strategy for data communication on a first type of time domain unit, and the modulation coding strategy corresponding to another first index is the modulation coding strategy for data communication on a second type of time domain unit.

In some embodiments, the first information is used to instruct the terminal to determine the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units according to a first index corresponding to a modulation and coding strategy indicated by the network device and multiple modulation and coding strategy tables.

In some embodiments, the multiple modulation coding strategy tables are two modulation coding strategy tables, wherein the modulation coding strategy corresponding to the first index in one modulation coding strategy table is the modulation coding strategy for data communication on a first type of time domain unit, and the modulation coding strategy corresponding to the first index in another modulation coding strategy table is the modulation coding strategy for data communication on a second type of time domain unit.

In some embodiments, the sub-band includes at least one of the following: an uplink sub-band; a downlink sub-band.

In some embodiments, the first information includes at least one of the following: rules agreed upon by a protocol; signaling of a network device.

It should be noted that, in addition to the processing module as described in the above embodiments, the terminal may also include other modules in some embodiments, for example, at least one of the following: a sending module, a receiving module, a storage module, and a display module.

An embodiment of the present disclosure further proposes a network device, comprising: one or more processors; wherein the network device is used to execute the modulation and coding strategy determination method described in the second aspect and the optional embodiment of the second aspect.

Fig. 11 is a schematic block diagram of a network device according to an embodiment of the present disclosure. As shown in Fig. 11 , the network device includes: a sending module 1101 .

In some embodiments, the sending module is used to send first information to the terminal, wherein the first information is used to determine a modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units, and the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

In some embodiments, the data communication includes at least one of the following:

A physical downlink shared channel repeatedly received over a plurality of time domain units;

A physical uplink shared channel that is repeatedly transmitted over multiple time domain units;

A physical uplink shared channel transmitted in a configuration grant manner over multiple time domain units;

A physical downlink shared channel is received in a triggered manner on multiple time domain units.

In some embodiments, the first information is used to indicate that the terminal determines a first modulation and coding strategy for data communication on a first type of time domain unit and a second modulation and coding strategy for data communication on a second type of time domain unit based on a first offset and a first index corresponding to a modulation and coding strategy indicated by a network device.

In some embodiments, the sending module is further configured to: instruct the terminal to determine that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or, instruct the terminal to determine that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index.

In some embodiments, the first offset is determined based on a protocol agreement or is indicated by a network device.

In some embodiments, the first information is used to instruct the terminal to determine a modulation and coding strategy for data communication on at least one time domain unit among a plurality of time domain units according to a plurality of first indexes corresponding to a plurality of modulation and coding strategies.

In some embodiments, the multiple first indexes are two first indexes, wherein the modulation coding strategy corresponding to one first index is the modulation coding strategy for data communication on a first type of time domain unit, and the modulation coding strategy corresponding to another first index is the modulation coding strategy for data communication on a second type of time domain unit.

In some embodiments, the first information is used to instruct the terminal to determine the modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units according to a first index corresponding to a modulation and coding strategy indicated by the network device and multiple modulation and coding strategy tables.

In some embodiments, the multiple modulation coding strategy tables are two modulation coding strategy tables, wherein the modulation coding strategy corresponding to the first index in one modulation coding strategy table is the modulation coding strategy for data communication on a first type of time domain unit, and the modulation coding strategy corresponding to the first index in another modulation coding strategy table is the modulation coding strategy for data communication on a second type of time domain unit.

In some embodiments, the sub-band includes at least one of the following: an uplink sub-band; a downlink sub-band.

It should be noted that, in addition to the sending module as described in the above embodiments, the network device may also include other modules in some embodiments, for example, at least one of the following: a processing module, a receiving module, a storage module, and a display module.

For the device embodiment, since it basically corresponds to the method embodiment, the relevant parts refer to the partial description of the method embodiment. The device embodiment described above is only schematic, wherein the modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, that is, they may be located in one place, or they may be distributed on multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative work.

An embodiment of the present disclosure also proposes a method for determining a modulation and coding strategy, the method comprising: a network device sends first information to a terminal; the terminal determines a modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units based on the first information, wherein the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband.

An embodiment of the present disclosure further proposes a communication device, comprising: one or more processors; wherein the processor is used to call instructions so that the communication device executes the modulation and coding strategy determination method described in any of the above embodiments.

An embodiment of the present disclosure further proposes a communication system, including a terminal, an access network device, and a core network device, wherein the terminal is configured to implement the modulation and coding strategy determination method described in any of the above embodiments.

An embodiment of the present disclosure further proposes a storage medium storing instructions, which, when executed on a communication device, enables the communication device to execute the modulation and coding strategy determination method described in any of the above embodiments.

The embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device is proposed, the above device includes a unit or module for implementing each step performed by the terminal in any of the above methods. For another example, another device is also proposed, including a unit or module for implementing each step performed by a network device (such as an access network device, a core network function node, a core network device, etc.) in any of the above methods.

It should be understood that the division of the units or modules in the above device is only a division of logical functions. In actual implementation, they can be fully or partially integrated into one physical entity, or they can be physically separated. In addition, the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory Instructions are stored in the memory, and the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of each unit or module of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory in the device or a memory outside the device. Alternatively, the unit or module in the device can be implemented in the form of a hardware circuit, and the functions of some or all of the units or modules can be implemented by designing the hardware circuit. The above hardware circuit can be understood as one or more processors; for example, in one implementation, the above hardware circuit is an application-specific integrated circuit (ASIC), and the functions of some or all of the above units or modules are implemented by designing the logical relationship of the components in the circuit; for example, in another implementation, the above hardware circuit can be implemented by a programmable logic device (PLD), taking a field programmable gate array (FPGA) as an example, which can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by a configuration file, so as to implement the functions of some or all of the above units or modules. All units or modules of the above devices may be implemented entirely in the form of a processor calling software, or entirely in the form of a hardware circuit, or partially in the form of a processor calling software and the rest in the form of a hardware circuit.

In the disclosed embodiments, the processor is a circuit with signal processing capability. In one implementation, the processor may be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which may be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor may implement certain functions through the logical relationship of a hardware circuit, and the logical relationship of the above hardware circuit may be fixed or reconfigurable, such as a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document to implement the hardware circuit configuration may be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.

FIG12 is a schematic diagram of the structure of a communication device 12100 proposed in an embodiment of the present disclosure. The communication device 12100 may be a network device (e.g., an access network device, a core network device, etc.), or a terminal (e.g., a user device, etc.), or a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods. The communication device 12100 may be used to implement the method described in the above method embodiment, and the details may refer to the description in the above method embodiment.

As shown in FIG12 , the communication device 12100 includes one or more processors 12101. The processor 12101 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit. The baseband processor may be used to process the communication protocol and the communication data, and the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a program, and process the data of the program. The processor 12101 is used to call instructions so that the communication device 12100 executes any of the above methods.

In some embodiments, the communication device 12100 further includes one or more memories 12102 for storing instructions. Optionally, all or part of the memory 12102 may also be outside the communication device 12100.

In some embodiments, the communication device 12100 further includes one or more transceivers 12103. When the communication device 12100 includes one or more transceivers 12103, the communication steps such as sending and receiving in the above method are performed by the transceiver 12103, and the other steps are performed by the processor 12101.

In some embodiments, the transceiver may include a receiver and a transmitter, and the receiver and the transmitter may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be interchangeable, and the terms transmitter, transmission unit, transmitter, transmission circuit, etc. may be interchangeable. The receiver, receiving unit, transmitter, etc. may be interchangeable. The terms element, receiver, receiving circuit, etc. are used interchangeably.

Optionally, the communication device 12100 further includes one or more interface circuits 12104, which are connected to the memory 12102. The interface circuit 12104 can be used to receive signals from the memory 12102 or other devices, and can be used to send signals to the memory 12102 or other devices. For example, the interface circuit 12104 can read instructions stored in the memory 12102 and send the instructions to the processor 12101.

The communication device 12100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 12100 described in the present disclosure is not limited thereto, and the structure of the communication device 12100 may not be limited by FIG. 12. The communication device may be an independent device or may be part of a larger device. For example, the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data and programs; (3) an ASIC, such as a modulation encoder (Modem); (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, a vehicle-mounted device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.

Fig. 13 is a schematic diagram of the structure of a chip 13200 provided in an embodiment of the present disclosure. In the case where the communication device 12100 may be a chip or a chip system, reference may be made to the schematic diagram of the structure of the chip 13200 shown in Fig. 13, but the present disclosure is not limited thereto.

The chip 13200 includes one or more processors 13201, and the processor 13201 is used to call instructions so that the chip 13200 executes any of the above methods.

In some embodiments, the chip 13200 further includes one or more interface circuits 13202, the interface circuits 13202 are connected to the memory 13203, the interface circuits 13202 can be used to receive signals from the memory 13203 or other devices, and the interface circuits 13202 can be used to send signals to the memory

13203 or other devices to send signals. For example, the interface circuit 13202 can read the instructions stored in the memory 13203 and send the instructions to the processor 13201. Optionally, the terms such as interface circuit, interface, transceiver pin, transceiver, etc. can be replaced with each other.

In some embodiments, the chip 13200 further includes one or more memories 13203 for storing instructions. Optionally, all or part of the memory 13203 may be outside the chip 13200.

The present disclosure also proposes a storage medium, on which instructions are stored, and when the instructions are executed on the communication device 12100, the communication device 12100 executes any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices. Optionally, the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a temporary storage medium.

The present disclosure also proposes a program product, and when the program product is executed by the communication device 12100, the communication device 12100 executes any of the above methods. Optionally, the program product is a computer program product.

The present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to execute any one of the above methods.

Claims (29)

A method for determining a modulation and coding strategy, characterized in that the method comprises: A modulation and coding strategy for data communication on at least one time domain unit among a plurality of time domain units is determined according to the first information, wherein the plurality of time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband. The method according to claim 1, wherein the data communication comprises at least one of the following: Repeating the received physical downlink shared channel on the multiple time domain units; A physical uplink shared channel repeatedly transmitted on the plurality of time domain units; A physical uplink shared channel sent in a configuration authorization manner on the multiple time domain units; A physical downlink shared channel is received on the multiple time domain units based on a triggering manner. The method according to any one of claims 1 to 2 is characterized in that the first information is used to indicate the terminal to determine a first modulation and coding strategy for data communication on the first type of time domain unit and a second modulation and coding strategy for data communication on the second type of time domain unit based on a first offset and a first index corresponding to a modulation and coding strategy indicated by a network device. The method according to claim 3, characterized in that the step of determining, according to the first information, a modulation and coding strategy for data communication on at least one time domain unit among the plurality of time domain units comprises: Determine that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index, and the modulation and coding strategy for data communication on the second type of time domain unit is the second modulation and coding strategy corresponding to the second index, wherein the second index is determined according to the first index and the first offset; or Determine that the modulation and coding strategy for data communication on the second type of time domain unit is the first modulation and coding strategy corresponding to the first index, and the modulation and coding strategy for data communication on the first type of time domain unit is the second modulation and coding strategy corresponding to the second index, wherein the second index is determined based on the first index and the first offset. The method according to claim 4, characterized in that the method further comprises: Determine, according to an instruction of a network device, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or, According to the instruction of the network device, the modulation and coding strategy for data communication on the second type of time domain unit is determined to be the first modulation and coding strategy corresponding to the first index. The method according to claim 4, characterized in that the method further comprises: Determine, according to a protocol agreement, that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or, According to the protocol agreement, the modulation and coding strategy for data communication on the second type of time domain unit is determined to be the first modulation and coding strategy corresponding to the first index. The method according to claim 3 or 6 is characterized in that the first offset is determined based on a protocol agreement or is indicated by a network device. The method according to any one of claims 1 to 2 is characterized in that the first information is used to instruct the terminal to determine the modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units according to multiple first indexes corresponding to multiple modulation and coding strategies. The method according to claim 8 is characterized in that the multiple first indexes are two first indexes, wherein the modulation and coding strategy corresponding to one first index is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to the other first index is the modulation and coding strategy for data communication on the second type of time domain unit. The method according to any one of claims 1 to 2 is characterized in that the first information is used to indicate that the terminal determines the modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units according to a first index corresponding to a modulation and coding strategy indicated by a network device and multiple modulation and coding strategy tables. The method according to claim 10 is characterized in that the multiple modulation and coding strategy tables are two modulation A modulation and coding strategy table, wherein the modulation and coding strategy corresponding to the first index in one modulation and coding strategy table is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to the first index in another modulation and coding strategy table is the modulation and coding strategy for data communication on the second type of time domain unit. The method according to any one of claims 1 to 11, characterized in that the sub-band includes at least one of the following: Upstream subband; Downstream subband. The method according to any one of claims 1 to 12, characterized in that the first information includes at least one of the following: The rules agreed upon in the agreement; Signaling of network devices. A method for determining a modulation and coding strategy, characterized in that the method comprises: First information is sent to a terminal, wherein the first information is used to determine a modulation and coding strategy for data communication on at least one time domain unit among a plurality of time domain units, wherein the plurality of time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband. The method according to claim 14, characterized in that the data communication includes at least one of the following: Repeating the received physical downlink shared channel on the multiple time domain units; A physical uplink shared channel repeatedly transmitted on the plurality of time domain units; A physical uplink shared channel sent in a configuration authorization manner on the multiple time domain units; A physical downlink shared channel is received on the multiple time domain units based on a triggering manner. The method according to any one of claims 14 to 15 is characterized in that the first information is used to instruct the terminal to determine a first modulation and coding strategy for data communication on the first type of time domain unit and a second modulation and coding strategy for data communication on the second type of time domain unit based on a first offset and a first index corresponding to a modulation and coding strategy indicated by a network device. The method according to claim 16, characterized in that the method further comprises: instructing the terminal to determine that the modulation and coding strategy for data communication on the first type of time domain unit is the first modulation and coding strategy corresponding to the first index; or, Instruct the terminal to determine that the modulation and coding strategy for data communication on the second-type time domain unit is the first modulation and coding strategy corresponding to the first index. The method according to claim 16 is characterized in that the first offset is determined based on a protocol agreement or is indicated by the network device. The method according to any one of claims 14 to 15 is characterized in that the first information is used to instruct the terminal to determine the modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units according to multiple first indexes corresponding to multiple modulation and coding strategies. The method according to claim 19 is characterized in that the multiple first indexes are two first indexes, wherein the modulation coding strategy corresponding to one first index is the modulation coding strategy for data communication on the first type of time domain unit, and the modulation coding strategy corresponding to the other first index is the modulation coding strategy for data communication on the second type of time domain unit. The method according to any one of claims 14 to 15 is characterized in that the first information is used to instruct the terminal to determine the modulation and coding strategy for data communication on at least one time domain unit among the multiple time domain units based on a first index corresponding to a modulation and coding strategy indicated by a network device and multiple modulation and coding strategy tables. The method according to claim 21 is characterized in that the multiple modulation and coding strategy tables are two modulation and coding strategy tables, wherein the modulation and coding strategy corresponding to the first index in one modulation and coding strategy table is the modulation and coding strategy for data communication on the first type of time domain unit, and the modulation and coding strategy corresponding to the first index in another modulation and coding strategy table is the modulation and coding strategy for data communication on the second type of time domain unit. The method according to any one of claims 14 to 22, characterized in that the sub-band includes at least one of the following: Upstream subband; Downstream subband. A method for determining a modulation and coding strategy, characterized in that the method comprises: The network device sends first information to the terminal; The terminal determines a modulation and coding strategy for data communication on at least one time domain unit among multiple time domain units based on the first information, wherein the multiple time domain units include a first type of time domain unit configured with a subband and a second type of time domain unit not configured with a subband. A terminal, characterized by comprising: one or more processors; The terminal is used to execute the modulation and coding strategy determination method according to any one of claims 1-14. A network device, comprising: one or more processors; Wherein, the network device is used to execute the modulation and coding strategy determination method described in any one of claims 15-23. A communication device, comprising: one or more processors; The processor is used to call instructions to enable the communication device to execute the modulation and coding strategy determination method described in any one of claims 1-14 and 15-23. A communication system, characterized in that it includes a terminal, an access network device, and a core network device, wherein the terminal is configured to implement the modulation and coding strategy determination method described in any one of claims 1-14 and 15-23. A storage medium storing instructions, characterized in that when the instructions are executed on a communication device, the communication device executes the modulation and coding strategy determination method as described in any one of claims 1-14 and 15-23.