WO2024168628A1 - Uplink communication method and apparatus and storage medium - Google Patents

Abstract

The present disclosure relates to an uplink communication method and apparatus and a storage medium. The uplink communication method is executed by a terminal, and comprises: receiving instruction information sent by a network device, wherein the instruction information is used for instructing the terminal to determine the number of control information on the basis of configuration information; the configuration information is used for configuring the maximum number of codewords supported by the terminal for communication on the basis of a physical uplink shared channel (PUSCH); and the number of control information is used for determining the number of codewords actually included in downlink control information (DCI), and the DCI is used for scheduling the PUSCH. The present disclosure enables the indication of multiple codewords in multi-codeword transmission introduced in uplink PUSCH transmission, so that the uplink PUSCH transmission supports higher transmission rate and throughput rate.

Description

Uplink communication method, device and storage medium Technical Field

The present disclosure relates to the field of communications, and in particular to an uplink communication method, device, and storage medium.

Background Art

With the development of communication technology, in order to support higher transmission rate and throughput of uplink, the number of transmitting antennas is increased. For example, the current protocol version research increases the number of transmitting antennas to 8 antennas for uplink.

In the related art, a fixed mapping of transport blocks to codewords is used. For the case where the number of layers (rank) is less than or equal to 4, one codeword is used. For the case where the rank exceeds 4, two codewords are used. At present, in the physical uplink shared channel (PUSCH) transmission, it is considered to increase the number of transmit antennas to 8 antennas. Therefore, PUSCH transmission supports uplink transmission of up to 8 layers, that is, it supports the use of multiple codewords to layer mapping.

Among them, the implementation scheme of using multi-codeword to layer mapping for uplink communication is being studied to improve the transmission quality. However, the configuration of multiple codewords in uplink PUSCH transmission of multiple codewords is still under study.

Summary of the invention

In order to overcome the problems existing in the related art, the present disclosure provides an uplink communication method, device and storage medium.

According to a first aspect of an embodiment of the present disclosure, an uplink communication method is provided, which is executed by a terminal, and includes: receiving indication information sent by a network device, the indication information being used to instruct the terminal to determine the number of control information based on configuration information; the configuration information being used to configure the maximum number of codewords supported by the terminal for communication based on PUSCH; the number of control information being used to determine the number of codewords actually included in downlink control information DCI, and the DCI being used to schedule a physical uplink shared channel PUSCH.

In one implementation, control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields.

In one implementation, the maximum number of codewords configured is one or more.

In one implementation, the number of control information corresponding to the actual number of codewords contained in the DCI is multiple; the indication information includes first indication information; the first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords.

In one implementation, the indication information includes second indication information, where the second indication information is used to indicate an actual maximum number of codewords for uplink communication performed by the terminal based on a physical uplink shared channel.

In one embodiment, in response to the maximum number of codewords indicated by the second indication information being multiple and/or the configured maximum number of codewords being multiple; the indication information also includes third indication information, and the third indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on a physical uplink shared channel.

In one embodiment, when the maximum number of codewords configured is multiple, the indication information includes fourth indication information and fifth indication information; the fourth indication information includes multiple groups of different control information indication fields for respectively indicating multiple different codewords; the fifth indication information is used to indicate a group of control information indication fields corresponding to enabled codewords in the multiple groups of different control information indication fields included in the fourth indication information.

In one implementation, each of the multiple groups of different control information indication fields includes at least one of the following control information indication fields: a modulation and coding scheme MCS indication field, a redundant version RV indication field, and a new data NDI indication field.

In one implementation, control information indication fields included in different groups of control information indication fields are the same or different.

In one implementation, the configuration information includes radio resource control (RRC) information.

In one implementation, the first indication information includes downlink control information.

In one embodiment, the second indication information includes media access control control unit MAC CE information.

In one implementation, the third indication information includes downlink control information.

In one implementation, the fourth indication information includes downlink control information, the fifth indication information includes downlink control information, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field.

In one embodiment, the physical uplink shared channel includes: a configuration-permitted physical uplink shared channel CG PUSCH; or a scheduling-permitted physical uplink shared channel DG PUSCH.

According to a second aspect of an embodiment of the present disclosure, an uplink communication method is provided, which is executed by a network device, and includes: sending indication information to the terminal, the indication information is used to instruct the terminal to determine the number of control information based on configuration information; the configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on PUSCH; the number of control information is used to determine the number of codewords actually included in the downlink control information DCI, and the DCI is used to schedule the physical uplink shared channel PUSCH.

In one implementation, control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields.

In one implementation, the maximum number of codewords configured is one or more.

In one implementation, the number of control information corresponding to the actual number of codewords contained in the DCI is multiple; the indication information includes first indication information; the first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords.

In one implementation, the indication information includes second indication information, where the second indication information is used to indicate an actual maximum number of codewords for uplink communication performed by the terminal based on a physical uplink shared channel.

In one embodiment, in response to the maximum number of codewords indicated by the second indication information being multiple and/or the configured maximum number of codewords being multiple; the indication information also includes third indication information, and the third indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on a physical uplink shared channel.

In one embodiment, when the maximum number of codewords configured is multiple, the indication information includes fourth indication information and fifth indication information; the fourth indication information includes multiple groups of different control information indication fields for respectively indicating multiple different codewords; the fifth indication information is used to indicate a group of control information indication fields corresponding to enabled codewords in the multiple groups of different control information indication fields included in the fourth indication information.

In one implementation, each of the multiple groups of different control information indication fields includes at least one of the following control information indication fields: a modulation and coding scheme MCS indication field, a redundant version RV indication field, and a new data NDI indication field.

In one implementation, control information indication fields included in different groups of control information indication fields are the same or different.

In one implementation, the configuration information includes radio resource control (RRC) information.

In one implementation, the first indication information includes downlink control information.

In one embodiment, the second indication information includes media access control control unit MAC CE information.

In one implementation, the third indication information includes downlink control information.

In one implementation, the fourth indication information includes downlink control information, the fifth indication information includes downlink control information, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field.

In one embodiment, the physical uplink shared channel includes: a configuration-permitted physical uplink shared channel CG PUSCH; or a scheduling-permitted physical uplink shared channel DG PUSCH.

According to a third aspect of an embodiment of the present disclosure, an uplink communication device is provided, which is configured in a terminal and includes: a receiving unit, used to receive indication information sent by a network device, the indication information is used to instruct the terminal to determine the number of control information based on the configuration information; the configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on PUSCH; the number of control information is used to determine the number of codewords actually included in the downlink control information DCI, and the DCI is used to schedule the physical uplink shared channel PUSCH.

In one implementation, control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields.

In one implementation, the maximum number of codewords configured is one or more.

In one implementation, the number of control information corresponding to the actual number of codewords contained in the DCI is multiple; the indication information includes first indication information; the first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords.

In one implementation, the indication information includes second indication information, where the second indication information is used to indicate an actual maximum number of codewords for uplink communication performed by the terminal based on a physical uplink shared channel.

In one embodiment, in response to the maximum number of codewords indicated by the second indication information being multiple and/or the configured maximum number of codewords being multiple; the indication information also includes third indication information, and the third indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on a physical uplink shared channel.

In one embodiment, when the maximum number of codewords configured is multiple, the indication information includes fourth indication information and fifth indication information; the fourth indication information includes multiple groups of different control information indication fields for respectively indicating multiple different codewords; the fifth indication information is used to indicate a group of control information indication fields corresponding to enabled codewords in the multiple groups of different control information indication fields included in the fourth indication information.

In one implementation, each of the multiple groups of different control information indication fields includes at least one of the following control information indication fields: a modulation and coding scheme MCS indication field, a redundant version RV indication field, and a new data NDI indication field.

In one implementation, control information indication fields included in different groups of control information indication fields are the same or different.

In one implementation, the configuration information includes radio resource control (RRC) information.

In one implementation, the first indication information includes downlink control information.

In one embodiment, the second indication information includes media access control control unit MAC CE information.

In one implementation, the third indication information includes downlink control information.

In one implementation, the fourth indication information includes downlink control information, the fifth indication information includes downlink control information, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field.

In one embodiment, the physical uplink shared channel includes: a configuration-permitted physical uplink shared channel CG PUSCH; or a scheduling-permitted physical uplink shared channel DG PUSCH.

According to a fourth aspect of an embodiment of the present disclosure, an uplink communication device is provided, which is configured in a network device and includes: a sending unit, used to send indication information to the terminal, the indication information is used to instruct the terminal to determine the number of control information based on the configuration information; the configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on PUSCH; the number of control information is used to determine the number of codewords actually included in the downlink control information DCI, and the DCI is used to schedule the physical uplink shared channel PUSCH.

In one implementation, control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields.

In one implementation, the maximum number of codewords configured is one or more.

In one implementation, the number of control information corresponding to the actual number of codewords contained in the DCI is multiple; the indication information includes first indication information; the first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords.

In one implementation, the indication information includes second indication information, where the second indication information is used to indicate an actual maximum number of codewords for uplink communication performed by the terminal based on a physical uplink shared channel.

In one embodiment, in response to the maximum number of codewords indicated by the second indication information being multiple and/or the configured maximum number of codewords being multiple; the indication information also includes third indication information, and the third indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on a physical uplink shared channel.

In one embodiment, when the maximum number of codewords configured is multiple, the indication information includes fourth indication information and fifth indication information; the fourth indication information includes multiple groups of different control information indication fields for respectively indicating multiple different codewords; the fifth indication information is used to indicate a group of control information indication fields corresponding to enabled codewords in the multiple groups of different control information indication fields included in the fourth indication information.

In one implementation, each of the multiple groups of different control information indication fields includes at least one of the following control information indication fields: a modulation and coding scheme MCS indication field, a redundant version RV indication field, and a new data NDI indication field.

In one implementation, control information indication fields included in different groups of control information indication fields are the same or different.

In one implementation, the configuration information includes radio resource control (RRC) information.

In one implementation, the first indication information includes downlink control information.

In one embodiment, the second indication information includes media access control control unit MAC CE information.

In one implementation, the third indication information includes downlink control information.

In one implementation, the fourth indication information includes downlink control information, the fifth indication information includes downlink control information, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field.

In one embodiment, the physical uplink shared channel includes: a configuration-permitted physical uplink shared channel CG PUSCH; or a scheduling-permitted physical uplink shared channel DG PUSCH.

The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: by configuring multiple codewords in uplink PUSCH transmission, and determining that the terminal indicated in the indication information determines the number of control information corresponding to the actual number of codewords in the DCI for scheduling PUSCH based on the configuration information, the terminal can adopt a mapping method of multiple codewords to layers for uplink communication, so as to solve a series of standardization problems caused by the introduction of multiple codewords in uplink PUSCH transmission, realize switching between single codewords and multiple codewords, and realize uplink PUSCH transmission to support higher transmission rate and throughput.

It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

Fig. 1 is a schematic diagram of a wireless communication system according to an exemplary embodiment.

Fig. 2 is a schematic diagram showing a mapping method of codewords to layers according to an exemplary embodiment.

Fig. 3 is a flow chart of an uplink communication method according to an exemplary embodiment.

Fig. 4 is a flow chart of an uplink communication method according to an exemplary embodiment.

FIG. 5 is a flow chart showing another uplink communication method according to an exemplary embodiment.

FIG. 6 is a flow chart showing another uplink communication method according to an exemplary embodiment.

Fig. 7 is a block diagram showing an uplink communication device according to an exemplary embodiment.

Fig. 8 is a block diagram showing another uplink communication device according to an exemplary embodiment.

Fig. 9 is a block diagram showing a device for uplink communication according to an exemplary embodiment.

Fig. 10 is a block diagram showing a device for uplink communication according to an exemplary embodiment.

DETAILED DESCRIPTION

Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present disclosure.

The communication method of the embodiment of the present disclosure can be applied to the wireless communication system shown in Figure 1. Referring to Figure 1, the wireless communication system includes a network device and a terminal. The terminal is connected to the network device through wireless resources and performs data transmission.

It is understandable that the wireless communication system shown in FIG1 is only for schematic illustration, and the wireless communication system may also include other network devices, such as core network devices, wireless relay devices, and wireless backhaul devices, which are not shown in FIG1. The embodiments of the present disclosure do not limit the number of network devices and terminals included in the wireless communication system.

It can be further understood that the wireless communication system of the embodiment of the present disclosure is a network that provides wireless communication functions. The wireless communication system can adopt different communication technologies, such as Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency-Division Multiple Access (OFDMA), Single Carrier FDMA (SC-FDMA), and Carrier Sense Multiple Access with Collision Avoidance. According to the capacity, rate, delay and other factors of different networks, networks can be divided into 2G (English: Generation) networks, 3G networks, 4G networks or future evolution networks, such as the 5th Generation Wireless Communication System (5G) network. 5G networks can also be called New Radio (NR). For the convenience of description, the present disclosure sometimes refers to wireless communication networks as networks.

Furthermore, the network equipment involved in the present disclosure may also be referred to as a wireless access network device. The wireless access network device may be: a base station, an evolved Node B (eNB), a home base station, an access point (AP) in a wireless fidelity (WIFI) system, a wireless relay node, a wireless backhaul node or a transmission point (TP), etc. It may also be a gNB in an NR system, or it may also be a component or part of a device constituting a base station, etc. When it is a vehicle-to-everything (V2X) communication system, the network device may also be a vehicle-mounted device. It should be understood that in the embodiments of the present disclosure, the specific technology and specific device form adopted by the network device are not limited.

Furthermore, the terminal involved in the present disclosure may also be referred to as a terminal device, a user equipment (User Equipment, UE), a mobile station (Mobile Station, MS), a mobile terminal (Mobile Terminal, MT), etc., which is a device that provides voice and/or data connectivity to users. For example, the terminal may be a handheld device with a wireless connection function, a vehicle-mounted device, etc. At present, some examples of terminals are: a smart phone (Mobile Phone), a pocket computer (Pocket Personal Computer, PPC), a handheld computer, a personal digital assistant (Personal Digital Assistant, PDA), a laptop computer, a tablet computer, a wearable device, or a vehicle-mounted device, etc. In addition, when it is a vehicle-to-everything (V2X) communication system, the terminal device may also be a vehicle-mounted device. It should be understood that the embodiments of the present disclosure do not limit the specific technology and specific device form adopted by the terminal.

In the embodiments of the present disclosure, the network device and the terminal may use any feasible wireless communication technology to achieve mutual data transmission. Among them, the transmission channel corresponding to the network device sending data to the terminal is called a downlink channel (downlink, DL), and the transmission channel corresponding to the terminal sending data to the network device is called an uplink channel (uplink, UL). It can be understood that the network device involved in the embodiments of the present disclosure may be a base station. Of course, the network device may also be any other possible network device, and the terminal may be any possible terminal, which is not limited by the present disclosure.

Among them, the related technology terminal and the network device use a fixed transmission block to codeword mapping order to map the codeword to the layer (rank). For the case where the rank is less than or equal to 4, one codeword is used. For the case where the rank exceeds 4, two codewords are used. Currently, the downlink can support up to 2 codewords, while the uplink supports 1 codeword.

Fig. 2 is a schematic diagram showing a mapping method of codewords to layers according to an exemplary embodiment.

As shown in Figure 2, this is the mapping method of codewords (CW) to layers in the current physical downlink shared channel (PDSCH) transmission. Among them, CW0 represents the first codeword and CW1 represents the second codeword. When the number of layers (rank) is less than or equal to 4, one codeword CW0 is used. When the rank exceeds 4, two codewords are used, namely CW0 and CW1. For the case where two codewords are used for transmission, the mapping of codewords to layers adopts the most balanced mapping method possible. When the rank is an odd number, the number of layers mapped by CW0 is one less than the number of layers mapped by CW1. When the rank is an even number, the number of layers mapped by CW0 is the same as the number of layers mapped by CW1.

Table 1 shows a mapping scheme from codewords to layers.

[Corrected 28.03.2023 in accordance with Article 91]
Table 1

Table 1 shows a mapping scheme of space division multiplexing codewords to layers, and maps different complex value modulation symbols to different data layers for different number of layers. Where layer represents data layer, symb represents symbol, represents the number of complex-valued modulation symbols, represents the complex-valued modulation symbol corresponding to the first codeword CW0, represents the complex-valued modulation symbol corresponding to the second codeword CW1. i represents a variable, indicating the complex-valued modulation symbol of the codeword corresponding to the current layer number. Represents the complex-valued modulation symbol set corresponding to different data layers. x ⁽⁰⁾ (i) represents the complex-valued modulation symbol set corresponding to the first data layer, 0 is obtained by the current layer number -1, and x ⁽¹⁾ (i) represents the complex-valued modulation symbol set corresponding to the second data layer. represents the set of complex-valued modulation symbols corresponding to different codewords, d ⁽⁰⁾ (i) represents the set of complex-valued modulation symbols corresponding to the first codeword, 0 is obtained by the current codeword number - 1, and d ⁽¹⁾ (i) represents the set of complex-valued modulation symbols corresponding to the second codeword.

It can be seen from Table 1 that there is only one codeword, and when the first codeword CW0 is mapped to layer 4, The complex-valued modulation symbols are evenly distributed to 4 layers; when there are two codewords and the two codewords are mapped to 8 layers, the complex-valued modulation symbols of the first codeword CW0 and the second codeword CW1 are equal, that is, and equal, There are two codewords, and the two codewords are mapped to layer 5 or layer 7, that is, when the two codewords are mapped to odd layers, the complex-valued modulation symbols of the first codeword CW0 and the second codeword CW1 are not equal, that is, and There will be differences, but the final bit stream is mapped to the number of complex-valued modulation symbols at each layer. are all equal.

In order to support higher transmission rate and throughput for uplink, the number of transmit antennas is increased. For example, the current protocol version is studying increasing the number of transmit antennas to 8 for uplink.

At present, the physical uplink shared channel (PUSCH) transmission supports transmission with a maximum rank of 4, corresponding to a maximum number of codewords supported of one. When the number of transmit antennas is increased to 8, PUSCH transmission can support uplink transmission of up to 8 layers, support the use of multi-codeword-to-layer mapping, and accordingly can introduce multiple codewords to PUSCH. Among them, the implementation plan of using multi-codeword-to-layer mapping for uplink communication is being studied to improve transmission quality. However, the configuration of multiple codewords in uplink PUSCH transmission of multiple codewords is still under study.

Therefore, the present disclosure provides an uplink communication method, which solves the configuration problem of multiple codewords introduced in supporting uplink PUSCH transmission of up to 8 layers by configuring multiple codewords in PUSCH transmission, so that PUSCH transmission supports higher transmission rate and throughput.

Among them, the codeword used for uplink PUSCH transmission can be indicated based on the control information indication field in the downlink control information (DCI).

Among them, the control information indication field includes the modulation and coding scheme (MCS) indication field, the redundancy version (RV) indication field and the new data (NDI) indication field.

In the uplink transmission method provided by the embodiment of the present disclosure, the network device configures the maximum number of codewords supported by the terminal for uplink communication based on PUSCH, and sends indication information to the terminal so that the terminal determines the number of control information corresponding to the actual number of codewords contained in the DCI.

Fig. 3 is a flow chart of an uplink communication method according to an exemplary embodiment. As shown in Fig. 3 , the uplink communication method is executed by a terminal and includes the following steps.

In step S11, indication information sent by a network device is received, where the indication information is used to instruct the terminal to determine the number of control information based on the configuration information.

In the disclosed embodiment, configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on PUSCH. The configuration information can be determined by the terminal according to a protocol agreement, or by the terminal receiving configuration information sent by a network device. Among them, the configuration information can be carried in Radio Resource Control (RRC) signaling, and the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is configured through RRC signaling.

In the disclosed embodiment, the number of control information is used to determine the number of codewords actually included in the DCI, which is used to schedule the PUSCH.

In the disclosed embodiment, the indication information is sent by the network device. The indication information may include DCI, or Medium Access Control Control Element (MAC CE) information.

In an uplink communication method provided by an embodiment of the present disclosure, control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields.

The control information of the same codeword corresponds to a group of control information indication fields.

A group of control information indication fields may include one or more of an MCS indication field, an RV indication field, and an NDI indication field. For example, a group of control information indication fields may include an MCS indication field, an RV indication field, and an NDI indication field. Or a group of control information indication fields may include a combination of two of an MCS indication field, an RV indication field, and an NDI indication field. For example, a group of control information indication fields may include an MCS indication and an RV indication field, or an MCS indication field and an NDI indication field, or an RV indication field and an NDI indication field. Or a group of control information indication fields may include one of an MCS indication field, an RV indication field, and an NDI indication field. For example, a group of control information indication fields may include an MCS indication field, or an RV indication field, or an NDI indication field.

Among them, the control information indication fields corresponding to different groups of control information indication fields are the same or different. For example, in an uplink communication method provided by an embodiment of the present disclosure, uplink PUSCH transmission uses two codewords CW0 and CW1. For example, a group of control information indication fields configured with CW0 includes MCS, NDI and RV. A group of control information indication fields configured with CW1 can only configure MCS and NDI, and use the RV of CW0.

In an uplink communication method provided by an embodiment of the present disclosure, the PUSCH may include different types of PUSCHs.

In the disclosed embodiment, the PUSCH scenario may include a PUSCH with a configured grant (CG), or the PUSCH may include a PUSCH with a scheduled grant (dynamic grant, DG).

Among them, CG PUSCH indicates a PUSCH without authorization, in which uplink PUSCH authorization is provided by RRC signaling configuration, including authorization activation. The terminal configures all transmission parameters through RRC signaling, including the maximum number of codewords supported by CG PUSCH. DG PUSCH indicates a PUSCH with dynamic authorization, in which all transmission parameters are configured through dynamic RRC signaling, including the maximum number of codewords supported by DG PUSCH. Once the terminal correctly receives the RRC signaling configuration, it takes effect immediately and starts to use the dynamically configured authorization for transmission.

The RRC signaling configuration may include RRC signaling added in the PUSCH configuration (PUSCH-Config) of the terminal, and the terminal configures the maximum number of codewords supported by the DG PUSCH through the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling configuration. Alternatively, the configuration information may include RRC signaling added in the high-level signaling (ConfiguredGrantConfig) of the terminal, and the maximum number of codewords supported by the CG PUSCH is configured through the configuration parameter maxNrofCodeWordsScheduledByDCI. Among them, maxNrofCodeWordsScheduledByDCI can be expressed as the maximum number of codewords configured for different types of PUSCH scenarios.

In the disclosed embodiment, the terminal may determine the number of control information actually including the number of codewords in the DCI for scheduling the PUSCH during uplink communication by receiving indication information sent by a network device, and further determine the number of codewords actually used.

In an uplink communication method provided by an embodiment of the present disclosure, uplink PUSCH transmission uses two codewords, which can be represented as a first codeword and a second codeword, respectively. The first codeword can be understood as the codeword CW0 used in uplink PUSCH transmission with a rank less than or equal to 4. The second codeword can be understood as the newly added codeword CW1 for supporting uplink PUSCH transmission with a maximum of 8 layers. The second codeword is configured in the embodiment of the present disclosure.

In the disclosed embodiment, the terminal may determine the configuration information corresponding to uplink communication. The configuration information is used to configure the maximum number of codewords supported by the terminal for uplink communication based on PUSCH.

In one example, the terminal determines the maximum number of codewords supported by the terminal for uplink communication based on PUSCH by determining configuration information. If the maximum number of codewords supported by the terminal is two, that is, the terminal supports the use of two codewords for uplink PUSCH transmission, which can be represented as a first codeword CW0 and a second codeword CW1, respectively. The configuration information is configured to enable a group of control information indication fields indicated in the second codeword CW1 in the DCI corresponding to the scheduling of PUSCH.

In one example, when the terminal determines in the configuration information that the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 1, that is, in the RRC signaling configuration, the parameter maxNrofCodeWordsScheduledByDCI is configured as n1, it means that the maximum number of codewords supported by PUSCH is one, and the codeword can be the first codeword CW0. If the terminal determines through receiving indication information that the number of control information actually containing the number of codewords in the DCI for scheduling PUSCH is two, since the maximum number of codewords supported by the terminal configuration at this time is one, the control information indication field corresponding to the second codeword CW1 in the DCI for scheduling PUSCH is not enabled, that is, the configuration information does not include a set of control indication information fields indicated in the second codeword CW1 in the DCI for scheduling PUSCH. At this time, only a set of control information indication fields indicated in the first codeword CW0 in the DCI for scheduling PUSCH can be enabled.

In one example, when the terminal determines in the configuration information that the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 2, that is, in the RRC signaling configuration, the parameter maxNrofCodeWordsScheduledByDCI is configured as n2, it means that the maximum number of codewords supported by PUSCH is two, and the two codewords can be the first codeword CW0 and the second codeword CW1, respectively. If the terminal determines through receiving indication information that the number of control information actually containing the number of codewords in the DCI used to schedule PUSCH is two, the control information indication field corresponding to the second codeword CW1 in the DCI for scheduling PUSCH is enabled through the indication information, that is, the configuration information contains a set of control indication information fields indicated in the second codeword CW1 in the DCI for scheduling PUSCH. At this time, a set of control information indication fields indicated in the second codeword CW1 in the DCI for scheduling PUSCH can be enabled.

In the embodiment of the present disclosure, when the terminal determines that the maximum number of codewords supported in the configuration information is two, a group of control information indication fields indicated in the second codeword CW1 in the DCI enabling the corresponding scheduling of the PUSCH is configured based on the configuration information.

In the disclosed embodiments, in different types of PUSCH scenarios, the terminal receives different indication information to determine the number of control information corresponding to the actual number of codewords contained in the DCI for scheduling the PUSCH.

In one example, when the PUSCH scenario type is DG PUSCH, and the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 1, that is, the RRC signaling configuration parameter maxNrofCodeWordsScheduledByDCI is n1, it means that the maximum number of codewords supported by DG PUSCH is one, and the codeword can be the first codeword CW0. Further, when the terminal receives the indication information and determines that the number of control information actually containing the number of codewords is one, a group of control information indication fields corresponding to the first codeword CW0 in the DCI for scheduling DG PUSCH is enabled.

In one example, when the PUSCH scenario type is DG PUSCH, and the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 1, that is, the RRC signaling configuration parameter maxNrofCodeWordsScheduledByDCI is n1, it means that the maximum number of codewords supported by DG PUSCH is one, and the codeword can be the first codeword CW0. If the terminal receives the indication information to determine that the number of control information actually containing the number of codewords is two, since the maximum number of codewords supported by the terminal configuration at this time is one, a group of control information indication fields corresponding to the second codeword CW1 in the DCI for scheduling DG PUSCH is not enabled, that is, the configuration information does not include a group of control information indication fields indicating the second codeword CW1 in the DCI for scheduling DG PUSCH. At this time, only a group of control information indication fields indicating the first codeword CW0 in the DCI for scheduling DG PUSCH can be enabled.

In one example, when the PUSCH scenario type is DG PUSCH, and the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 2, that is, the RRC signaling configuration parameter maxNrofCodeWordsScheduledByDCI is n2, it means that the maximum number of codewords supported by DG PUSCH is two, and the two codewords can be the first codeword CW0 and the second codeword CW1 respectively. If the terminal receives the indication information and determines that the number of control information actually containing the number of codewords is two, a group of control information indication fields corresponding to the second codeword CW1 in the DCI for scheduling DG PUSCH is enabled through the indication information, that is, the configuration information contains a group of control indication information fields indicating the second codeword CW1 in the DCI for scheduling DG PUSCH.

In one example, the PUSCH scenario type can also be CG PUSCH.

In the disclosed embodiment, the terminal may determine the maximum number of codewords supported by the terminal when performing uplink communication in different types of PUSCH scenarios by determining parameters included in the configuration information.

In an uplink communication method provided by an embodiment of the present disclosure, the maximum number of codewords configured by the configuration information may be one or more.

In one example, the terminal can add RRC signaling configuration in PUSCH-Config, add the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling, and configure it to 1, indicating that the maximum number of codewords supported by DG PUSCH is one. Alternatively, the terminal can add RRC signaling configuration in ConfiguredGrantConfig, add the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling, and configure it to 1, indicating that the maximum number of codewords supported by CG PUSCH is one.

In one example, the terminal can add RRC signaling configuration in PUSCH-Config, add the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling, and configure it to 2, indicating that the maximum number of codewords supported by DG PUSCH is two. Alternatively, the terminal can add RRC signaling configuration in ConfiguredGrantConfig, add the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling, and configure it to 2, indicating that the maximum number of codewords supported by CG PUSCH is two.

In the embodiments of the present disclosure, in different types of PUSCH scenarios, the terminal may determine the maximum number of codewords supported by the terminal for uplink communication by determining the value of the parameter maxNrofCodeWordsScheduledByDCI included in the configuration information.

In an uplink communication method provided by an embodiment of the present disclosure, when the number of control information corresponding to the number of codewords actually included in the DCI is multiple, the indication information includes first indication information.

In the embodiment of the present disclosure, the first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, that is, one codeword corresponds to one group of control information indication fields. The first indication information includes control information indication fields corresponding to the maximum number of codewords. That is, the number of groups of control information indication fields in the first indication information is consistent with the configured maximum number of codewords.

The first indication information may include DCI.

In one example, when the maximum number of configured codewords is two, and the number of control information actually including the number of codewords is also two, the first indication information includes two different sets of control information indication fields. When the maximum number of configured codewords is two, and the number of control information actually including the number of codewords is one, the first indication information still includes two different sets of control information indication fields.

In one example, in the configuration information, the maximum number of codewords configured by RRC signaling in PUSCH-Config or ConfiguredGrantConfig is preconfigured as one. If the actual number of codewords included is determined to be two through the first indication information, the first indication information still only includes a set of control indication information fields corresponding to one codeword.

In one example, in the configuration information, the maximum number of codewords configured in the RRC signaling in PUSCH-Config or ConfiguredGrantConfig is preconfigured to be two. If the actual number of codewords included is determined to be one through the first indication information, the first indication information still includes two different control indication information fields corresponding to two different codewords.

In the embodiment of the present disclosure, the terminal can determine the number of control information in the first indication information based on the configuration information to determine different groups of control information indication fields corresponding to different codewords contained in the first indication information.

In an uplink communication method provided by an embodiment of the present disclosure, a terminal can receive second indication information sent by a network device to determine an actual maximum number of codewords when the terminal performs uplink communication based on a PUSCH.

The second indication information is used to indicate the actual maximum number of codewords when the terminal performs uplink communication based on the PUSCH, that is, the number of control information in the second indication information is consistent with the actual maximum number of codewords.

The second indication information may include MAC CE. For example, the terminal may determine that the actual maximum number of codewords when the terminal performs uplink communication based on PUSCH is two by receiving MAC CE.

In one example, in the configuration information, the maximum number of codewords in the RRC signaling configuration in PUSCH-Config or ConfiguredGrantConfig is preconfigured to be one. If the number of control information actually including the number of codewords is determined to be two through the second indication information, the maximum number of codewords is updated to two based on the second indication information.

In one example, in the configuration information, the maximum number of codewords configured by RRC signaling in PUSCH-Config or ConfiguredGrantConfig is preconfigured to be two. If the number of control information actually including the number of codewords is determined to be one through the second indication information, the maximum number of codewords is updated to one based on the second indication information.

In the embodiment of the present disclosure, the terminal can dynamically configure the maximum number of codewords in the configuration information through the second indication information to achieve dynamic switching between single codewords and double codewords.

When it is determined that the second indication information indicates that the actual maximum number of codewords is multiple, a new control information indication field for indicating the newly added codewords is added based on the second indication information, and the indication information including the new control information indication field is called third indication information.

FIG. 4 is a flow chart of an uplink communication method according to an exemplary embodiment. As shown in FIG. 4 , the method includes the following steps.

In step S21, it is determined that the maximum number of codewords indicated by the second indication information is multiple and/or the configured maximum number of codewords is multiple.

In step S22, it is determined that the indication information includes third indication information, the third indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on PUSCH.

The third indication information may include DCI.

In one example, the terminal responds to receiving the second indication information indicating that the actual maximum number of codewords is multiple, that is, indicating that the actual maximum number of codewords for uplink communication based on PUSCH of the terminal is multiple, and/or the terminal determines that the maximum number of codewords configured by the configuration information is multiple. For example, the terminal receives a MAC CE indicating that the actual maximum number of codewords for uplink communication based on PUSCH of the terminal is two, and/or the terminal determines that in PUSCH-Config or ConfiguredGrantConfig, the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling is configured as 2.

In one example, in the configuration information, in response to receiving the second indication information indicating that the actual maximum number of codewords is multiple, the terminal can add a new control information indication field for the second different codeword in DCI 0_1 or DCI 0_2 to obtain the third indication information. The third indication information includes two groups of different control information indication fields corresponding to the two different codewords. For example, when the second indication information received by the terminal indicates that the actual maximum number of codewords is two, a new control information indication field for the second codeword can be added in DCI 0_1 or DCI 0_2.

In one example, the DCI includes DCI 0_1 or DCI 0_2. When the second indication information received by the terminal indicates that the actual maximum number of codewords is multiple, and the configured maximum number of codewords is configured as multiple, multiple groups of new control information indication fields for multiple different codewords can be added to DCI 0_1 or DCI 0_2 to obtain third indication information. The third indication information includes two groups of different control information indication fields corresponding to two different codewords. For example, when the second indication information received by the terminal indicates that the actual maximum number of codewords is two, and the configured maximum number of codewords is configured as two, a new control information indication field for the second codeword can be added to DCI 0_1 or DCI 0_2.

In one example, in the indication information received by the terminal, in response to receiving the second indication information indicating that the actual maximum number of codewords is multiple and the configured maximum number of codewords is configured as one, a new control information indication field for the second different codeword can be added in DCI 0_1 or DCI 0_2, respectively, to obtain the third indication information. The third indication information includes two groups of different control information indication fields corresponding to the two different codewords. For example, when the second indication information received by the terminal indicates that the actual maximum number of codewords is two and the configured maximum number of codewords is configured as one, a new control information indication field for the second codeword can be added in DCI 0_1 or DCI 0_2, respectively.

In an embodiment of the present disclosure, when the terminal responds to the second indication information indicating that the actual maximum number of codewords is multiple and/or the configured maximum number of codewords is multiple, a new set of control information indication fields indicating newly added codewords in the DCI enabling scheduling of PUSCH is enabled through third indication information.

In an uplink communication method provided by an embodiment of the present disclosure, when the number of codewords configured by the configuration information is multiple, the indication information includes fourth indication information and fifth indication information.

In the embodiment of the present disclosure, the fourth indication information includes multiple groups of different control information indication fields for indicating multiple different codewords respectively. The fifth indication information is used to indicate a group of control information indication fields corresponding to the enabled codewords in the multiple groups of different control information indication fields included in the fourth indication information.

For example, the fourth indication information may include two groups of control information indication fields for indicating two codewords. The fifth indication information is used to enable one group of control information indication fields or two groups of control information indication fields in the two groups of control information indication fields in the fourth indication information.

In the embodiment of the present disclosure, a set of control information indication fields for codewords in the fourth indication information are enabled, which can be understood as using a set of control information indication fields corresponding to the codewords in the fourth indication information. In the embodiment of the present disclosure, a set of control information indication fields for codewords in the fourth indication information are not enabled, which can be understood as not using a set of control information indication fields corresponding to the codewords in the fourth indication information.

In one example, it is determined that the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is two, that is, the RRC signaling configuration parameter maxNrofCodeWordsScheduledByDCI is n2. At this time, the fourth indication information includes two groups of control information indication fields. That is, the fourth indication information includes two groups of different control information indication fields for two different codewords, which may include a group of control information indication fields for the first codeword CW0, and a group of control information indication fields for the second codeword CW1. Furthermore, the fifth indication information sent by the terminal through the network device enables the two groups of different control information indication fields for the two different codewords in the fourth indication information, that is, using a group of control information indication fields for the first codeword CW0 in the fourth indication information, and a group of control information indication fields for the second codeword CW1, and determines that the number of codewords actually used is two, namely the first codewords CW0 and CW1.

For example, the enabling codeword may be the first codeword. When the number of transmitting antennas is increased to 8 antennas, PUSCH transmission can support uplink transmission of up to 8 layers. If the terminal responds to not receiving the fifth indication information, when rank≤4, the fourth indication information is used to instruct the terminal to apply the first codeword CW0 for uplink communication. When 4<rank≤8, the fourth indication information is used to instruct the terminal to apply the second codeword CW1 for uplink communication. If the terminal responds to receiving the fifth indication information, the control information indication field corresponding to the first codeword in the fourth indication information is enabled. At this time, the number of codewords used by the terminal for uplink communication is one, that is, when 1≤rank≤8, the fifth indication information is used to instruct the terminal to only apply the first codeword CW0 for uplink communication.

For example, the enabling codeword may be the second codeword. When the number of transmitting antennas is increased to 8 antennas, PUSCH transmission can support uplink transmission of up to 8 layers. If the terminal responds to not receiving the fifth indication information, when rank≤4, the fourth indication information is used to instruct the terminal to apply the first codeword CW0 for uplink communication. When 4<rank≤8, the fourth indication information is used to instruct the terminal to apply the second codeword CW1 for uplink communication. If the terminal responds to receiving the fifth indication information, the control information indication field corresponding to the second codeword in the fourth indication information is enabled. At this time, the number of codewords used by the terminal for uplink communication is one, that is, when 1≤rank≤8, the fifth indication information is used to instruct the terminal to only apply the second codeword CW1 for uplink communication.

In an uplink communication method provided by an embodiment of the present disclosure, the fourth indication information includes DCI, the fifth indication information includes DCI, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field.

In the embodiment of the present disclosure, the code point may include an indication field with 1 bit added, or the code point may include a special code point.

In some embodiments, a 1-bit indication field is added to indicate that the corresponding codeword is enabled when the terminal performs PUSCH transmission. For example, if the 1-bit indication field is 0, it can be used to indicate that the codeword used by the terminal for PUSCH transmission is the first codeword CW0. If the 1-bit indication field is 1, it can be used to indicate that the codeword used by the terminal for PUSCH transmission is the second codeword CW1. For another example, using a special code point of 0 can be used to indicate that the codeword used by the terminal for PUSCH transmission is the first codeword CW0. Using a special code point of 1 can be used to indicate that the codeword used by the terminal for PUSCH transmission is the first codeword CW1.

In the embodiment of the present disclosure, the terminal determines, through a code point, a code word used to instruct the terminal to perform PUSCH transmission.

In an uplink communication method provided by an embodiment of the present disclosure, each of the multiple groups of control information indication fields includes at least one of the following control information indication fields: an MCS indication field, an RV indication field, and a new data NDI indication field.

In the disclosed embodiment, DCI includes DCI 0_1 or DCI 0_2. When the maximum number of codewords supported by the terminal for layer mapping for uplink communication is configured as multiple in the configuration information, multiple groups of new control information indication fields for multiple different codewords can be added in DCI 0_1 or DCI 0_2.

In the embodiment of the present disclosure, each control information indication field included in any group of control information indication fields may be defined separately, that is, each control information indication field is defined to indicate a corresponding codeword. Alternatively, each control information indication field included in any group of control information indication fields may be jointly defined, that is, each control information indication field is defined to indicate a corresponding codeword jointly.

In an uplink communication method provided by an embodiment of the present disclosure, a terminal configures multiple codewords in uplink PUSCH transmission to solve a series of standardization problems caused by the introduction of multiple codewords in uplink PUSCH transmission, and implements switching between single codewords and multiple codewords, so that uplink PUSCH transmission supports higher transmission rate and throughput.

Fig. 5 is a flow chart showing another uplink communication method according to an exemplary embodiment. As shown in Fig. 5 , the uplink communication method is executed by a network device and includes the following steps.

In step S31, indication information is sent to the terminal, where the indication information is used to instruct the terminal to determine the number of control information based on the configuration information.

In the disclosed embodiment, configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on PUSCH. The configuration information may be determined by the terminal according to a protocol agreement, or by configuration information sent by a network device to the terminal. The configuration information may be carried in Radio Resource Control (RRC) signaling, and the maximum number of codewords supported by the terminal for uplink communication based on PUSCH may be configured through RRC signaling.

In the disclosed embodiment, the number of control information is used to determine the number of codewords actually included in the DCI, which is used to schedule the PUSCH.

In the disclosed embodiment, the indication information is sent by the network device. The indication information may include DCI, or Medium Access Control Control Element (MAC CE) information.

In an uplink communication method provided by an embodiment of the present disclosure, control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields.

The control information of the same codeword corresponds to a group of control information indication fields.

A group of control information indication fields may include one or more of an MCS indication field, an RV indication field, and an NDI indication field. For example, a group of control information indication fields may include an MCS indication field, an RV indication field, and an NDI indication field. Or a group of control information indication fields may include a combination of two of an MCS indication field, an RV indication field, and an NDI indication field. For example, a group of control information indication fields may include an MCS indication and an RV indication field, or an MCS indication field and an NDI indication field, or an RV indication field and an NDI indication field. Or a group of control information indication fields may include one of an MCS indication field, an RV indication field, and an NDI indication field. For example, a group of control information indication fields may include an MCS indication field, or an RV indication field, or an NDI indication field.

Among them, the control information indication fields corresponding to different groups of control information indication fields are the same or different. For example, in an uplink communication method provided by an embodiment of the present disclosure, uplink PUSCH transmission uses two codewords CW0 and CW1. For example, a group of control information indication fields configured with CW0 includes MCS, NDI and RV. A group of control information indication fields configured with CW1 can only configure MCS and NDI, and use the RV of CW0.

In an uplink communication method provided by an embodiment of the present disclosure, the PUSCH may include different types of PUSCHs.

In the disclosed embodiment, the PUSCH scenario may include a PUSCH with a configured grant (CG), or the PUSCH may include a PUSCH with a scheduled grant (dynamic grant, DG).

Among them, CG PUSCH indicates a PUSCH without authorization, in which uplink PUSCH authorization is provided by RRC signaling configuration, including authorization activation. The terminal configures all transmission parameters through RRC signaling, including the maximum number of codewords supported by CG PUSCH. DG PUSCH indicates a PUSCH with dynamic authorization, in which all transmission parameters are configured through dynamic RRC signaling, including the maximum number of codewords supported by DG PUSCH. Once the terminal correctly receives the RRC signaling configuration, it takes effect immediately and starts to use the dynamically configured authorization for transmission.

The RRC signaling configuration may include RRC signaling added in the PUSCH configuration (PUSCH-Config) of the terminal, and the terminal configures the maximum number of codewords supported by the DG PUSCH through the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling configuration. Alternatively, the configuration information may include RRC signaling added in the high-level signaling (ConfiguredGrantConfig) of the terminal, and the maximum number of codewords supported by the CG PUSCH is configured through the configuration parameter maxNrofCodeWordsScheduledByDCI. Among them, maxNrofCodeWordsScheduledByDCI can be expressed as the maximum number of codewords configured for different types of PUSCH scenarios.

In the disclosed embodiment, the terminal may determine the number of control information actually including the number of codewords in the DCI for scheduling the PUSCH during uplink communication by receiving indication information sent by a network device, and further determine the number of codewords actually used.

In an uplink communication method provided by an embodiment of the present disclosure, uplink PUSCH transmission uses two codewords, which can be represented as a first codeword and a second codeword, respectively. The first codeword can be understood as the codeword CW0 used in uplink PUSCH transmission with a rank less than or equal to 4. The second codeword can be understood as the newly added codeword CW1 for supporting uplink PUSCH transmission with a maximum of 8 layers. The second codeword is configured in the embodiment of the present disclosure.

In the disclosed embodiment, the terminal may determine the configuration information corresponding to uplink communication. The configuration information is used to configure the maximum number of codewords supported by the terminal for uplink communication based on PUSCH.

In one example, the terminal determines the maximum number of codewords supported by the terminal for uplink communication based on PUSCH by determining configuration information. If the maximum number of codewords supported by the terminal is two, that is, the terminal supports the use of two codewords for uplink PUSCH transmission, which can be represented as a first codeword CW0 and a second codeword CW1, respectively. The configuration information is configured to enable a group of control information indication fields indicated in the second codeword CW1 in the DCI corresponding to the scheduling of PUSCH.

In one example, when the terminal determines in the configuration information that the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 1, that is, in the RRC signaling configuration, the parameter maxNrofCodeWordsScheduledByDCI is configured as n1, it means that the maximum number of codewords supported by PUSCH is one, and the codeword can be the first codeword CW0. If the terminal determines through receiving indication information that the number of control information actually containing the number of codewords in the DCI for scheduling PUSCH is two, since the maximum number of codewords supported by the terminal configuration at this time is one, the control information indication field corresponding to the second codeword CW1 in the DCI for scheduling PUSCH is not enabled, that is, the configuration information does not include a set of control indication information fields indicated in the second codeword CW1 in the DCI for scheduling PUSCH. At this time, only a set of control information indication fields indicated in the first codeword CW0 in the DCI for scheduling PUSCH can be enabled.

In one example, when the terminal determines in the configuration information that the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 2, that is, in the RRC signaling configuration, the parameter maxNrofCodeWordsScheduledByDCI is configured as n2, it means that the maximum number of codewords supported by PUSCH is two, and the two codewords can be the first codeword CW0 and the second codeword CW1, respectively. If the terminal determines through receiving indication information that the number of control information actually containing the number of codewords in the DCI used to schedule PUSCH is two, the control information indication field corresponding to the second codeword CW1 in the DCI for scheduling PUSCH is enabled through the indication information, that is, the configuration information contains a set of control indication information fields indicated in the second codeword CW1 in the DCI for scheduling PUSCH. At this time, a set of control information indication fields indicated in the second codeword CW1 in the DCI for scheduling PUSCH can be enabled.

In the embodiment of the present disclosure, when the terminal determines that the maximum number of codewords supported in the configuration information is two, a group of control information indication fields indicated in the second codeword CW1 in the DCI enabling the corresponding scheduling of the PUSCH is configured based on the configuration information.

In the disclosed embodiments, in different types of PUSCH scenarios, the terminal receives different indication information to determine the number of control information corresponding to the actual number of codewords contained in the DCI for scheduling the PUSCH.

In one example, when the PUSCH scenario type is DG PUSCH, and the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 1, that is, the RRC signaling configuration parameter maxNrofCodeWordsScheduledByDCI is n1, it means that the maximum number of codewords supported by DG PUSCH is one, and the codeword can be the first codeword CW0. Further, when the terminal receives the indication information and determines that the number of control information actually containing the number of codewords is one, a group of control information indication fields corresponding to the first codeword CW0 in the DCI for scheduling DG PUSCH is enabled.

In one example, when the PUSCH scenario type is DG PUSCH, and the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 1, that is, the RRC signaling configuration parameter maxNrofCodeWordsScheduledByDCI is n1, it means that the maximum number of codewords supported by DG PUSCH is one, and the codeword can be the first codeword CW0. If the terminal receives the indication information to determine that the number of control information actually containing the number of codewords is two, since the maximum number of codewords supported by the terminal configuration at this time is one, a group of control information indication fields corresponding to the second codeword CW1 in the DCI for scheduling DG PUSCH is not enabled, that is, the configuration information does not include a group of control information indication fields indicating the second codeword CW1 in the DCI for scheduling DG PUSCH. At this time, only a group of control information indication fields indicating the first codeword CW0 in the DCI for scheduling DG PUSCH can be enabled.

In one example, when the PUSCH scenario type is DG PUSCH, and the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is 2, that is, the RRC signaling configuration parameter maxNrofCodeWordsScheduledByDCI is n2, it means that the maximum number of codewords supported by DG PUSCH is two, and the two codewords can be the first codeword CW0 and the second codeword CW1 respectively. If the terminal receives the indication information and determines that the number of control information actually containing the number of codewords is two, a group of control information indication fields corresponding to the second codeword CW1 in the DCI for scheduling DG PUSCH is enabled through the indication information, that is, the configuration information contains a group of control indication information fields indicating the second codeword CW1 in the DCI for scheduling DG PUSCH.

In one example, the PUSCH scenario type can also be CG PUSCH.

In the disclosed embodiment, the terminal may determine the maximum number of codewords supported by the terminal when performing uplink communication in different types of PUSCH scenarios by determining parameters included in the configuration information.

In an uplink communication method provided by an embodiment of the present disclosure, the maximum number of codewords configured by the configuration information may be one or more.

In one example, the terminal can add RRC signaling configuration in PUSCH-Config, add the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling, and configure it to 1, indicating that the maximum number of codewords supported by DG PUSCH is one. Alternatively, the terminal can add RRC signaling configuration in ConfiguredGrantConfig, add the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling, and configure it to 1, indicating that the maximum number of codewords supported by CG PUSCH is one.

In one example, the terminal can add RRC signaling configuration in PUSCH-Config, add the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling, and configure it to 2, indicating that the maximum number of codewords supported by DG PUSCH is two. Alternatively, the terminal can add RRC signaling configuration in ConfiguredGrantConfig, add the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling, and configure it to 2, indicating that the maximum number of codewords supported by CG PUSCH is two.

In the embodiments of the present disclosure, in different types of PUSCH scenarios, the terminal may determine the maximum number of codewords supported by the terminal for uplink communication by determining the value of the parameter maxNrofCodeWordsScheduledByDCI included in the configuration information.

In an uplink communication method provided by an embodiment of the present disclosure, when the number of control information corresponding to the number of codewords actually included in the DCI is multiple, the indication information includes first indication information.

In the embodiment of the present disclosure, the first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, that is, one codeword corresponds to one group of control information indication fields. The first indication information includes control information indication fields corresponding to the maximum number of codewords. That is, the number of groups of control information indication fields in the first indication information is consistent with the configured maximum number of codewords.

The first indication information may include DCI.

In one example, when the maximum number of configured codewords is two, and the number of control information actually including the number of codewords is also two, the first indication information includes two different sets of control information indication fields. When the maximum number of configured codewords is two, and the number of control information actually including the number of codewords is one, the first indication information still includes two different sets of control information indication fields.

In one example, in the configuration information, the maximum number of codewords configured by RRC signaling in PUSCH-Config or ConfiguredGrantConfig is preconfigured as one. If the actual number of codewords included is determined to be two through the first indication information, the first indication information still only includes a set of control indication information fields corresponding to one codeword.

In one example, in the configuration information, the maximum number of codewords configured in the RRC signaling in PUSCH-Config or ConfiguredGrantConfig is preconfigured to be two. If the actual number of codewords included is determined to be one through the first indication information, the first indication information still includes two different control indication information fields corresponding to two different codewords.

In the embodiment of the present disclosure, the terminal can determine the number of control information in the first indication information based on the configuration information to determine different groups of control information indication fields corresponding to different codewords contained in the first indication information.

In an uplink communication method provided by an embodiment of the present disclosure, a terminal can receive second indication information sent by a network device to determine an actual maximum number of codewords when the terminal performs uplink communication based on a PUSCH.

The second indication information is used to indicate the actual maximum number of codewords when the terminal performs uplink communication based on the PUSCH, that is, the number of control information in the second indication information is consistent with the actual maximum number of codewords.

The second indication information may include MAC CE. For example, the terminal may determine that the actual maximum number of codewords when the terminal performs uplink communication based on PUSCH is two by receiving MAC CE.

In one example, when the maximum number of codewords configured by the terminal is two, and the number of control information actually including the number of codewords is also two, the second indication information includes two different sets of control information indication fields. When the maximum number of codewords configured by the terminal is two, and the number of control information actually including the number of codewords in the DCI for scheduling PUSCH is one, the second indication information includes only one set of control information indication fields.

In one example, in the configuration information, the maximum number of codewords in the RRC signaling configuration in PUSCH-Config or ConfiguredGrantConfig is configured as one in advance. If the number of control information actually containing the number of codewords is determined to be two through the second indication information, the RRC signaling configuration and the control information indication field configuration in the configuration information are updated based on the second indication information. That is, the maximum number of codewords in the RRC signaling configuration is increased and a new control information indication field for the second codeword is added.

In one example, in the configuration information, the maximum number of codewords configured in the RRC signaling in PUSCH-Config or ConfiguredGrantConfig is configured as two in advance. If the number of control information actually containing the number of codewords is determined to be one through the second indication information, in order to reduce the signaling overhead, the RRC signaling configuration and the control information indication field configuration in the configuration information are updated based on the second indication information. That is, the maximum number of codewords configured in the RRC signaling configuration is reduced and the control information indication field for the second codeword is reduced.

In the embodiment of the present disclosure, the terminal can dynamically configure the maximum number of codewords in the configuration information through the second indication information to achieve dynamic switching between single codewords and double codewords.

When it is determined that the second indication information indicates that the actual maximum number of codewords is multiple, a new control information indication field for indicating the newly added codewords is added based on the second indication information, and the indication information including the new control information indication field is called third indication information.

FIG6 is a flow chart of an uplink communication method according to an exemplary embodiment. As shown in FIG6 , the method includes the following steps.

In step S41, it is determined that the maximum number of codewords indicated by the second indication information is multiple and/or the maximum number of codewords configured is multiple. In step S42, it is determined that the indication information includes third indication information, and the third indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on PUSCH.

The third indication information may include DCI.

In one example, the terminal responds to receiving the second indication information indicating that the actual maximum number of codewords is multiple, that is, indicating that the actual maximum number of codewords for uplink communication based on PUSCH of the terminal is multiple, and/or the terminal determines that the maximum number of codewords configured by the configuration information is multiple. For example, the terminal receives a MAC CE indicating that the actual maximum number of codewords for uplink communication based on PUSCH of the terminal is two, and/or the terminal determines that in PUSCH-Config or ConfiguredGrantConfig, the parameter maxNrofCodeWordsScheduledByDCI in the RRC signaling is configured as 2.

In the disclosed embodiment, DCI includes DCI 0_1 or DCI 0_2. When the second indication information received by the terminal indicates that the actual maximum number of codewords for uplink communication based on PUSCH of the terminal is multiple, or the maximum number of codewords supported by the terminal for uplink communication is configured as multiple in the configuration information, multiple groups of new control information indication fields for multiple different codewords can be added in DCI 0_1 or DCI 0_2. For example, when the second indication information received by the terminal indicates that the actual maximum number of codewords for uplink communication based on PUSCH of the terminal is two, a new control information indication field for the second codeword can be added in DCI 0_1 or DCI 0_2. Alternatively, when the maximum number of codewords supported by the terminal for uplink communication is configured as two in the configuration information, a new control information indication field for the second codeword can be added in DCI 0_1 or DCI 0_2.

In one example, in the indication information received by the terminal, in response to receiving the second indication information indicating that the actual maximum number of codewords is two, a new control information indication field for the second different codeword can be added to DCI 0_1 or DCI 0_2, respectively, to obtain third indication information. The third indication information includes two groups of different control information indication fields corresponding to the two different codewords.

In one example, the terminal determines that in the configuration information, in response to the maximum number of configured codewords being two, a new control information indication field for the second different codeword may be added in DCI 0_1 or DCI 0_2, respectively, to obtain third indication information. The third indication information includes two groups of different control information indication fields corresponding to the two different codewords.

In one example, in the indication information received by the terminal, in response to receiving the maximum number of codewords indicated in the second indication information as two, and in the configuration information, in response to the maximum number of codewords configured in the configuration information as two, a new control information indication field for the second different codeword can be added to DCI 0_1 or DCI 0_2, respectively, to obtain third indication information. The third indication information includes two groups of different control information indication fields corresponding to the two different codewords.

In an embodiment of the present disclosure, when the terminal responds to the second indication information indicating that the actual maximum number of codewords is multiple and/or the configured maximum number of codewords is multiple, a new set of control information indication fields indicating newly added codewords in the DCI enabling scheduling of PUSCH is enabled through third indication information.

In an uplink communication method provided by an embodiment of the present disclosure, when the number of codewords configured by the configuration information is multiple, the indication information includes fourth indication information and fifth indication information;

In the embodiment of the present disclosure, the fourth indication information includes multiple groups of different control information indication fields for indicating multiple different codewords respectively. The fifth indication information is used to indicate a group of control information indication fields corresponding to the enabled codewords in the multiple groups of different control information indication fields included in the fourth indication information.

For example, the fourth indication information may include two groups of control information indication fields.

In one example, it is determined that the maximum number of codewords supported by the terminal for uplink communication based on PUSCH is two, that is, the RRC signaling configuration parameter maxNrofCodeWordsScheduledByDCI is n2. The fourth indication information indicates that the terminal determines the number of control information based on the configuration information to determine the different groups of control information indication fields corresponding to different codewords contained in the fourth indication information. At this time, the fourth indication information includes two groups of control information indication fields. That is, the fourth indication information includes two groups of different control information indication fields for two different codewords, which may include a group of control information indication fields for the first codeword CW0, and a group of control information indication fields for the second codeword CW1. Furthermore, the terminal sends the fifth indication information through the network device, in response to receiving the fifth indication information to enable a group of control information indication fields corresponding to the enabled codewords in the fourth indication information, to determine the number of codewords used by the terminal for uplink communication.

For example, the enabling codeword may be the first codeword. When the number of transmitting antennas is increased to 8 antennas, PUSCH transmission can support uplink transmission of up to 8 layers. If the terminal responds to not receiving the fifth indication information, when rank≤4, the fourth indication information is used to instruct the terminal to apply the first codeword CW0 for uplink communication. When 4<rank≤8, the fourth indication information is used to instruct the terminal to apply the second codeword CW1 for uplink communication. If the terminal responds to receiving the fifth indication information, the control information indication field corresponding to the first codeword in the fourth indication information is enabled. At this time, the number of codewords used by the terminal for uplink communication is one, that is, when 1≤rank≤8, the fifth indication information is used to instruct the terminal to only apply the first codeword CW0 for uplink communication.

For example, the enabling codeword may be the second codeword. When the number of transmitting antennas is increased to 8 antennas, PUSCH transmission can support uplink transmission of up to 8 layers. If the terminal responds to not receiving the fifth indication information, when rank≤4, the fourth indication information is used to instruct the terminal to apply the first codeword CW0 for uplink communication. When 4<rank≤8, the fourth indication information is used to instruct the terminal to apply the second codeword CW1 for uplink communication. If the terminal responds to receiving the fifth indication information, the control information indication field corresponding to the second codeword in the fourth indication information is enabled. At this time, the number of codewords used by the terminal for uplink communication is one, that is, when 1≤rank≤8, the fifth indication information is used to instruct the terminal to only apply the second codeword CW1 for uplink communication.

In an uplink communication method provided by an embodiment of the present disclosure, the fourth indication information includes DCI, the fifth indication information includes DCI, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field.

In the embodiment of the present disclosure, the code point may include an indication field with 1 bit added, or the code point may include a special code point.

In some embodiments, a 1-bit indication field is added to indicate that the corresponding codeword is enabled when the terminal performs PUSCH transmission. For example, if the 1-bit indication field is 0, it can be used to indicate that the codeword used by the terminal for PUSCH transmission is the first codeword CW0. If the 1-bit indication field is 1, it can be used to indicate that the codeword used by the terminal for PUSCH transmission is the second codeword CW1. For another example, using a special code point of 0 can be used to indicate that the codeword used by the terminal for PUSCH transmission is the first codeword CW0. Using a special code point of 1 can be used to indicate that the codeword used by the terminal for PUSCH transmission is the first codeword CW1.

In an uplink communication method provided by an embodiment of the present disclosure, each of the multiple groups of control information indication fields includes at least one of the following control information indication fields: an MCS indication field, an RV indication field, and a new data NDI indication field.

In the disclosed embodiment, DCI includes DCI 0_1 or DCI 0_2. When the maximum number of codewords supported by the terminal for layer mapping for uplink communication is configured as multiple in the configuration information, multiple groups of new control information indication fields for multiple different codewords can be added in DCI 0_1 or DCI 0_2.

In the embodiment of the present disclosure, each control information indication field included in any group of control information indication fields may be defined separately, that is, each control information indication field is defined to indicate a corresponding codeword. Alternatively, each control information indication field included in any group of control information indication fields may be jointly defined, that is, each control information indication field is defined to indicate a corresponding codeword jointly.

In an uplink communication method provided by an embodiment of the present disclosure, a network device sends indication information to a terminal, so that the terminal configures multiple codewords in uplink PUSCH transmission, solves a series of standardization problems caused by the introduction of multiple codewords in uplink PUSCH transmission, and realizes switching between single codewords and multiple codewords, so that uplink PUSCH transmission supports higher transmission rate and throughput.

It can be understood that some contents involved in the uplink communication process performed by the network device in the embodiment of the present disclosure are similar to the terminal execution process. The embodiment of the present disclosure will not be described in detail here. For places where the description is not detailed enough, please refer to the uplink communication process on the terminal side.

It can be further understood that the uplink communication method provided in the embodiment of the present disclosure is applicable to the interaction between the terminal and the network device to realize uplink communication. In the process of the interaction between the terminal and the network device to realize uplink communication, the terminal has the terminal function involved in the above embodiment, and the network device has the function of realizing the network device involved in the above embodiment. For details, please refer to the relevant description of the above embodiment, which will not be described in detail here.

It should be noted that those skilled in the art can understand that the various implementation methods/embodiments involved in the embodiments of the present disclosure can be used in conjunction with the aforementioned embodiments or can be used independently. Whether used alone or in conjunction with the aforementioned embodiments, the implementation principle is similar. In the implementation of the present disclosure, some embodiments are described in terms of implementation methods used together. Of course, those skilled in the art can understand that such examples are not limitations of the embodiments of the present disclosure.

Based on the same concept, the embodiment of the present disclosure further provides an uplink communication device. The uplink communication device is configured in a terminal.

It is understandable that, in order to realize the above functions, the uplink communication device provided by the embodiment of the present disclosure includes hardware structures and/or software modules corresponding to the execution of each function. In combination with the units and algorithm steps of each example disclosed in the embodiment of the present disclosure, the embodiment of the present disclosure can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed in the form of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the technical solution of the embodiment of the present disclosure.

Fig. 7 is a block diagram of an uplink communication device 100 according to an exemplary embodiment. Referring to Fig. 7 , the device includes a receiving unit 101 .

The receiving unit 101 is used to receive indication information sent by a network device, the indication information is used to instruct the terminal to determine the number of control information based on the configuration information; the configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on PUSCH; the number of control information is used to determine the number of codewords actually included in the downlink control information DCI, and the DCI is used to schedule the physical uplink shared channel PUSCH.

In one implementation, control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields.

In one implementation, the maximum number of configured codewords is one or more.

In one implementation, the number of control information corresponding to the actual number of codewords contained in the DCI is multiple; the indication information includes first indication information; and the first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords.

In one implementation, the indication information includes second indication information, and the second indication information is used to indicate an actual maximum number of codewords for uplink communication performed by the terminal based on the physical uplink shared channel.

In one embodiment, in response to the maximum number of codewords indicated by the second indication information being multiple and/or the configured maximum number of codewords being multiple; the indication information also includes third indication information, the third indication information including multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on a physical uplink shared channel.

In one embodiment, when the maximum number of configured codewords is multiple, the indication information includes fourth indication information and fifth indication information; the fourth indication information includes multiple groups of different control information indication fields for respectively indicating multiple different codewords; the fifth indication information is used to indicate a group of control information indication fields corresponding to enabled codewords in the multiple groups of different control information indication fields included in the fourth indication information.

In one implementation, each of the multiple groups of different control information indication fields includes at least one of the following control information indication fields: a modulation and coding scheme MCS indication field, a redundancy version RV indication field, and a new data NDI indication field.

In one implementation, control information indication fields included in different groups of control information indication fields are the same or different.

In one implementation, the configuration information includes radio resource control RRC information.

In one implementation, the first indication information includes downlink control information.

In one embodiment, the second indication information includes media access control control unit MAC CE information.

In one implementation, the third indication information includes downlink control information.

In one implementation, the fourth indication information includes downlink control information, the fifth indication information includes downlink control information, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field.

In one implementation, the physical uplink shared channel includes: a configuration-permitted physical uplink shared channel CG PUSCH; or a scheduling-permitted physical uplink shared channel DG PUSCH.

Fig. 8 is a block diagram of another uplink communication device 200 according to an exemplary embodiment. Referring to Fig. 8 , the device includes a sending unit 201 .

The sending unit 201 is configured to send indication information to the terminal, the indication information is used to instruct the terminal to determine the number of control information based on the configuration information; the configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on PUSCH; the number of control information is used to determine the number of codewords actually included in the downlink control information DCI, and the DCI is used to schedule the physical uplink shared channel PUSCH.

In one implementation, control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields.

In one implementation, the maximum number of configured codewords is one or more.

In one implementation, the number of control information corresponding to the actual number of codewords contained in the DCI is multiple; the indication information includes first indication information; and the first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords.

In one implementation, the indication information includes second indication information, and the second indication information is used to indicate an actual maximum number of codewords for uplink communication performed by the terminal based on the physical uplink shared channel.

In one embodiment, in response to the maximum number of codewords indicated by the second indication information being multiple and/or the configured maximum number of codewords being multiple; the indication information also includes third indication information, the third indication information including multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on a physical uplink shared channel.

In one embodiment, when the maximum number of configured codewords is multiple, the indication information includes fourth indication information and fifth indication information; the fourth indication information includes multiple groups of different control information indication fields for respectively indicating multiple different codewords; the fifth indication information is used to indicate a group of control information indication fields corresponding to enabled codewords in the multiple groups of different control information indication fields included in the fourth indication information.

In one implementation, each of the multiple groups of different control information indication fields includes at least one of the following control information indication fields: a modulation and coding scheme MCS indication field, a redundancy version RV indication field, and a new data NDI indication field.

In one implementation, control information indication fields included in different groups of control information indication fields are the same or different.

In one implementation, the configuration information includes radio resource control RRC information.

In one implementation, the first indication information includes downlink control information.

In one embodiment, the second indication information includes media access control control unit MAC CE information.

In one implementation, the third indication information includes downlink control information.

In one implementation, the fourth indication information includes downlink control information, the fifth indication information includes downlink control information, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field.

In one implementation, the physical uplink shared channel includes: a configuration-permitted physical uplink shared channel CG PUSCH; or a scheduling-permitted physical uplink shared channel DG PUSCH.

Regarding the device in the above embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the method, and will not be elaborated here.

Fig. 9 is a block diagram of an apparatus 800 for uplink communication according to an exemplary embodiment. For example, the apparatus 800 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.

9 , device 800 may include one or more of the following components: a processing component 802 , a memory 804 , a power component 806 , a multimedia component 808 , an audio component 810 , an input/output (I/O) interface 812 , a sensor component 814 , and a communication component 816 .

The processing component 802 generally controls the overall operation of the device 800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to complete all or part of the steps of the above-mentioned method. In addition, the processing component 802 may include one or more modules to facilitate the interaction between the processing component 802 and other components. For example, the processing component 802 may include a multimedia module to facilitate the interaction between the multimedia component 808 and the processing component 802.

The memory 804 is configured to store various types of data to support operations on the device 800. Examples of such data include instructions for any application or method operating on the device 800, contact data, phone book data, messages, pictures, videos, etc. The memory 804 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.

The power component 806 provides power to the various components of the device 800. The power component 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 800.

The multimedia component 808 includes a screen that provides an output interface between the device 800 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundaries of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front camera and/or a rear camera. When the device 800 is in an operating mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a microphone (MIC), and when the device 800 is in an operating mode, such as a call mode, a recording mode, and a speech recognition mode, the microphone is configured to receive an external audio signal. The received audio signal can be further stored in the memory 804 or sent via the communication component 816. In some embodiments, the audio component 810 also includes a speaker for outputting audio signals.

I/O interface 812 provides an interface between processing component 802 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: home button, volume button, start button, and lock button.

The sensor assembly 814 includes one or more sensors for providing various aspects of status assessment for the device 800. For example, the sensor assembly 814 can detect the open/closed state of the device 800, the relative positioning of components, such as the display and keypad of the device 800, the sensor assembly 814 can also detect the position change of the device 800 or a component of the device 800, the presence or absence of user contact with the device 800, the orientation or acceleration/deceleration of the device 800 and the temperature change of the device 800. The sensor assembly 814 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 814 can also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 can also include an accelerometer, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.

The communication component 816 is configured to facilitate wired or wireless communication between the device 800 and other devices. The device 800 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, the apparatus 800 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors or other electronic components to perform the above method.

In an exemplary embodiment, a non-transitory computer-readable storage medium including instructions is also provided, such as a memory 804 including instructions, and the instructions can be executed by the processor 820 of the device 800 to perform the above method. For example, the non-transitory computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, etc.

FIG10 is a block diagram of an apparatus 1100 for uplink communication according to an exemplary embodiment. For example, the apparatus 1100 may be provided as a server. Referring to FIG10 , the apparatus 1100 includes a processing component 1122, which further includes one or more processors, and a memory resource represented by a memory 1132 for storing instructions executable by the processing component 1122, such as an application. The application stored in the memory 1132 may include one or more modules, each corresponding to a set of instructions. In addition, the processing component 1122 is configured to execute instructions to perform the above-mentioned uplink communication method.

The device 1100 may also include a power supply component 1126 configured to perform power management of the device 1100, a wired or wireless network interface 1150 configured to connect the device 1100 to a network, and an input/output (I/O) interface 1158. The device 1100 may operate based on an operating system stored in the memory 1132, such as Windows Server™, Mac OS X™, Unix™, Linux™, FreeBSD™, or the like.

It is further understood that in the present disclosure, "plurality" refers to two or more than two, and other quantifiers are similar thereto. "And/or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and/or B may represent: A exists alone, A and B exist at the same time, and B exists alone. The character "/" generally indicates that the associated objects before and after are in an "or" relationship. The singular forms "a", "" and "the" are also intended to include plural forms, unless the context clearly indicates other meanings.

It is further understood that the meanings of the words "in response to" and "if" involved in the present disclosure depend on the context and the actual usage scenario. For example, the word "in response to" used herein can be interpreted as "at..." or "when..." or "if".

It is further understood that the terms "first", "second", etc. are used to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other, and do not indicate a specific order or degree of importance. In fact, the expressions "first", "second", etc. can be used interchangeably. For example, without departing from the scope of the present disclosure, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information.

It is further understood that, although the operations are described in a specific order in the drawings in the embodiments of the present disclosure, it should not be understood as requiring the operations to be performed in the specific order shown or in a serial order, or requiring the execution of all the operations shown to obtain the desired results. In certain environments, multitasking and parallel processing may be advantageous.

Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any modifications, uses or adaptations of the present disclosure, which follow the general principles of the present disclosure and include common knowledge or customary technical means in the art that are not disclosed in the present disclosure.

It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the scope of the appended claims.

Claims (36)

An uplink communication method, characterized in that the method is executed by a terminal, and the method comprises: Receiving indication information sent by a network device, where the indication information is used to instruct the terminal to determine the number of control information based on the configuration information; The configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on the PUSCH; The number of control information is used to determine the number of codewords actually included in downlink control information DCI, and the DCI is used to schedule a physical uplink shared channel PUSCH. The uplink communication method according to claim 1 is characterized in that control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields. The uplink communication method according to claim 1 is characterized in that the maximum number of codewords configured is one or more. The uplink communication method according to claim 1 or 3, characterized in that the number of control information corresponding to the number of codewords actually included in the DCI is multiple; The indication information includes first indication information; The first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords. The uplink communication method according to claim 1 or 3 is characterized in that the indication information includes second indication information, and the second indication information is used to indicate the actual maximum number of codewords for uplink communication performed by the terminal based on the physical uplink shared channel. The uplink communication method according to claim 5, characterized in that, in response to the maximum number of codewords indicated by the second indication information being multiple and/or the maximum number of codewords configured being multiple; The indication information also includes third indication information, wherein the third indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on the physical uplink shared channel. The uplink communication method according to claim 1 or 3, characterized in that when the maximum number of codewords configured is multiple, The indication information includes fourth indication information and fifth indication information; The fourth indication information includes a plurality of groups of different control information indication fields for respectively indicating a plurality of different codewords; The fifth indication information is used to indicate enabling a group of control information indication fields corresponding to enabling codewords among the multiple groups of different control information indication fields included in the fourth indication information. The uplink communication method according to claim 4, 6 or 7, characterized in that each of the multiple groups of different control information indication fields includes at least one of the following control information indication fields: Modulation and coding scheme MCS indication field, redundancy version RV indication field and new data NDI indication field. The uplink communication method according to claim 8 is characterized in that the control information indication fields included in different groups of control information indication fields are the same or different. The uplink communication method according to claim 1, characterized in that the configuration information includes radio resource control RRC information. The uplink communication method according to claim 4 is characterized in that the first indication information includes downlink control information. The uplink communication method according to claim 5 is characterized in that the second indication information includes media access control control unit MAC CE information. The uplink communication method according to claim 6 is characterized in that the third indication information includes downlink control information. The uplink communication method according to claim 7 is characterized in that the fourth indication information includes downlink control information, the fifth indication information includes downlink control information, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field. The uplink communication method according to any one of claims 1 to 14, characterized in that the physical uplink shared channel comprises: Configure the licensed physical uplink shared channel CG PUSCH; or Scheduling granted physical uplink shared channel DG PUSCH. An uplink communication method, characterized in that the method is performed by a network device, and the method comprises: Sending instruction information to the terminal, where the instruction information is used to instruct the terminal to determine the number of control information based on the configuration information; The configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on the PUSCH; The number of control information is used to determine the number of codewords actually included in downlink control information DCI, and the DCI is used to schedule a physical uplink shared channel PUSCH. The uplink communication method according to claim 16 is characterized in that control information of the same codeword corresponds to a group of control information indication fields, and control information of different codewords corresponds to different groups of control information indication fields. The uplink communication method according to claim 16 is characterized in that the maximum number of codewords configured is one or more. The uplink communication method according to claim 16 or 18, characterized in that the number of control information corresponding to the number of codewords actually included in the DCI is multiple; The indication information includes first indication information; The first indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords. The uplink communication method according to claim 16 or 18 is characterized in that the indication information includes second indication information, and the second indication information is used to indicate the actual maximum number of codewords for uplink communication performed by the terminal based on the physical uplink shared channel. The uplink communication method according to claim 20, characterized in that, in response to the maximum number of codewords indicated by the second indication information being multiple and/or the maximum number of codewords configured being multiple; The indication information also includes third indication information, wherein the third indication information includes multiple groups of different control information indication fields corresponding to multiple different codewords, and different groups of control information indication fields in the multiple groups of control information indication fields are used to indicate different codewords actually used by the terminal for uplink communication based on the physical uplink shared channel. The uplink communication method according to claim 16 or 18, characterized in that when the maximum number of codewords configured is multiple, The indication information includes fourth indication information and fifth indication information; The fourth indication information includes a plurality of groups of different control information indication fields for respectively indicating a plurality of different codewords; The fifth indication information is used to indicate enabling a group of control information indication fields corresponding to enabling codewords among the multiple groups of different control information indication fields included in the fourth indication information. The uplink communication method according to claim 19, 21 or 22, characterized in that each of the multiple groups of different control information indication fields includes at least one of the following control information indication fields: Modulation and coding scheme MCS indication field, redundancy version RV indication field and new data NDI indication field. The uplink communication method according to claim 23 is characterized in that the control information indication fields included in different groups of control information indication fields are the same or different. The uplink communication method according to claim 16 is characterized in that the configuration information includes radio resource control RRC information. The uplink communication method according to claim 19 is characterized in that the first indication information includes downlink control information. The uplink communication method according to claim 20 is characterized in that the second indication information includes media access control control unit MAC CE information. The uplink communication method according to claim 21 is characterized in that the third indication information includes downlink control information. The uplink communication method according to claim 22 is characterized in that the fourth indication information includes downlink control information, the fifth indication information includes downlink control information, and the fourth indication information and the fifth indication information correspond to different code points of the same newly defined control information indication field. The uplink communication method according to any one of claims 16 to 29, characterized in that the physical uplink shared channel comprises: Configure the licensed physical uplink shared channel CG PUSCH; or Scheduling granted physical uplink shared channel DG PUSCH. An uplink communication device, characterized in that the device is configured in a terminal, comprising: A receiving unit, configured to receive indication information sent by a network device, wherein the indication information is used to instruct the terminal to determine the number of control information based on the configuration information; The configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on the PUSCH; The number of control information is used to determine the number of codewords actually included in downlink control information DCI, and the DCI is used to schedule a physical uplink shared channel PUSCH. An uplink communication device, characterized in that the device is configured in a network device, comprising: A sending unit, configured to send indication information to the terminal, wherein the indication information is used to instruct the terminal to determine the number of control information based on the configuration information; The configuration information is used to configure the maximum number of codewords supported by the terminal for communication based on the PUSCH; The number of control information is used to determine the number of codewords actually included in downlink control information DCI, and the DCI is used to schedule a physical uplink shared channel PUSCH. An uplink communication device, comprising: processor; a memory for storing processor-executable instructions; Wherein, the processor is configured to: execute the method described in any one of claims 1 to 15. An uplink communication device, comprising: processor; a memory for storing processor-executable instructions; Wherein, the processor is configured to: execute the method described in any one of claims 16 to 30. A storage medium, characterized in that instructions are stored in the storage medium, and when the instructions in the storage medium are executed by a processor, the processor is enabled to execute the uplink communication method described in any one of claims 1 to 15. A storage medium, characterized in that the storage medium stores instructions. When the instruction is executed by a processor, the processor is enabled to execute the uplink communication method described in any one of claims 16 to 30.