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WO2025065450A1 - Procédé et appareil de détermination de ressources, et support de stockage - Google Patents

Procédé et appareil de détermination de ressources, et support de stockage Download PDF

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Publication number
WO2025065450A1
WO2025065450A1 PCT/CN2023/122357 CN2023122357W WO2025065450A1 WO 2025065450 A1 WO2025065450 A1 WO 2025065450A1 CN 2023122357 W CN2023122357 W CN 2023122357W WO 2025065450 A1 WO2025065450 A1 WO 2025065450A1
Authority
WO
WIPO (PCT)
Prior art keywords
downlink control
control information
subband
terminal
time domain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2023/122357
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English (en)
Chinese (zh)
Inventor
王磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202380011549.8A priority Critical patent/CN117546582A/zh
Priority to PCT/CN2023/122357 priority patent/WO2025065450A1/fr
Publication of WO2025065450A1 publication Critical patent/WO2025065450A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a resource determination method, a resource determination apparatus, a terminal, a network device, a communication device, and a storage medium.
  • the network device can configure an uplink subband for the terminal in the downlink time domain unit, so that the network device can perform uplink and downlink communications in the downlink time domain unit.
  • the subband may not be well suited to the current application environment.
  • the embodiments of the present disclosure propose a resource determination method, device, and storage medium to solve technical problems in related technologies.
  • a resource determination method is proposed, which is executed by a terminal.
  • the method includes: receiving downlink control information sent by a network device; and determining a subband resource according to the downlink control information.
  • a resource determination method is proposed, which is executed by a network device.
  • the method includes: sending downlink control information to a terminal, wherein the downlink control information is used by the terminal to determine subband resources.
  • a resource determination device comprising: a transceiver module configured to receive downlink control information sent by a network device; and a processing module configured to determine a subband resource according to the downlink control information.
  • a resource determination device which is executed by a network device, and the device includes: a transceiver module, configured to send downlink control information to a terminal, wherein the downlink control information is used by the terminal to determine the resources of a subband.
  • a resource determination method including: a network device sends downlink control information to a terminal; and the terminal determines a subband resource according to the downlink control information.
  • a terminal comprising: one or more processors; a memory coupled to the one or more processors, wherein executable instructions are stored on the memory, and when the executable instructions are executed by the one or more processors, the terminal executes the resource determination method described in the first aspect.
  • a network device comprising: one or more processors; a memory coupled to the one or more processors, wherein executable instructions are stored on the memory, and when the executable instructions are executed by the one or more processors, the network device executes the resource determination method described in the second aspect.
  • a communication system comprising a terminal and a network device, wherein the terminal is configured to implement the resource determination method described in the first aspect, and the network device is configured to implement the resource determination method described in the second aspect.
  • a storage medium stores instructions, and when the instructions are executed on a communication device, the communication device executes any one of the first aspect and the second aspect.
  • the resource determination method described in item is provided, wherein the storage medium stores instructions, and when the instructions are executed on a communication device, the communication device executes any one of the first aspect and the second aspect.
  • the network device can send downlink control information to the terminal, and the terminal can receive the downlink control sent by the network device, and determine the sub-band resources according to the downlink control information. Since the downlink control information is a dynamic signaling, it is possible to dynamically configure the sub-band resources for the terminal based on the downlink control information, so as to flexibly configure the sub-band resources required for communication to the terminal as needed, which is conducive to ensuring the communication effect of the network device communicating with the terminal based on the sub-band.
  • FIG1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
  • FIG2 is an interactive schematic diagram showing a resource determination method according to an embodiment of the present disclosure.
  • FIG3 is a schematic flow chart of a resource determination method according to an embodiment of the present disclosure.
  • 4A and 4B are schematic diagrams of application scenarios of a resource determination method according to an embodiment of the present disclosure.
  • FIG5 is a schematic flow chart of a resource determination method according to an embodiment of the present disclosure.
  • FIG6 is a schematic block diagram showing a resource determination device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic block diagram showing a resource determination device according to an embodiment of the present disclosure.
  • FIG8 is a schematic diagram of the structure of a communication device proposed in an embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of the structure of a chip proposed in an embodiment of the present disclosure.
  • the embodiments of the present disclosure provide a resource determination method, device, and storage medium.
  • an embodiment of the present disclosure proposes a resource determination method, which is executed by a terminal, and the method includes: receiving downlink control information sent by a network device; and determining a subband resource according to the downlink control information.
  • the network device can send downlink control information to the terminal, and the terminal can receive the downlink control sent by the network device and determine the sub-band resources according to the downlink control information.
  • the downlink control information is a dynamic signaling, it is possible to dynamically configure the sub-band resources for the terminal based on the downlink control information, so as to flexibly configure the sub-band resources required for communication to the terminal according to the needs (such as dynamically changing information such as service status and interference status), which is conducive to ensuring the communication effect of the network device communicating with the terminal based on the sub-band.
  • the downlink control information includes at least one of the following: group common downlink control information; downlink control information dedicated to indicating resources of the subband.
  • the group common downlink control information includes: DCI format 2_0.
  • the downlink control information includes a first information field, and the first information field is used to indicate the resources of the subband.
  • the downlink control information includes group common downlink control information, and the group common downlink control information further includes at least one of the following information fields: a time slot format indication information field; a channel occupancy time indication information field; and a search space switching indication information field.
  • the position of the first information field in the downlink control information is determined based on radio resource control signaling.
  • the resource determination method further includes: determining a set of configuration information of the resources of the subband according to radio resource control signaling; wherein, determining the resources of the subband according to the downlink control information includes: determining the resources of the subband according to the configuration information corresponding to the downlink control information in the set.
  • determining the resources of the subband according to the downlink control information includes: determining the resources of the subband according to radio resource control signaling; and determining the time domain unit where the subband exists according to the time slot format indication information field in the downlink control information.
  • determining the time domain unit where the subband exists according to the time slot format indication information field in the downlink control information includes at least one of the following:
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the sub-band, and it is determined that the sub-band exists on the first time domain unit;
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the sub-band, and determining that the sub-band does not exist on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and determining that the subband exists on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and it is determined that the subband does not exist on the first time domain unit.
  • the downlink control information satisfies at least one of the following: indicating radio network temporary identifier scrambling through a time slot format; and being in a type 3 common search space.
  • the resources of the subband are resources within a first time window.
  • the first time window is determined according to at least one of the following: indication information of the network device; information in the downlink control information; and a detection period of the downlink control information.
  • an embodiment of the present disclosure proposes a resource determination method, which is executed by a network device, and the method includes: sending downlink control information to a terminal, wherein the downlink control information is used by the terminal to determine subband resources.
  • the network device can send downlink control information to the terminal, and the terminal can receive the downlink control sent by the network device and determine the sub-band resources according to the downlink control information.
  • the downlink control information is a dynamic signaling, it is possible to dynamically configure the sub-band resources for the terminal based on the downlink control information, so as to flexibly configure the sub-band resources required for communication to the terminal according to the needs (such as dynamically changing information such as service status and interference status), which is conducive to ensuring the communication effect of the network device communicating with the terminal based on the sub-band.
  • the downlink control information includes at least one of the following: group common downlink control information; downlink control information dedicated to indicating resources of the subband.
  • the group common downlink control information includes: DCI format 2_0.
  • the downlink control information includes a first information field, and the first information field is used to indicate the resources of the subband.
  • the downlink control information includes group common downlink control information, and the group common downlink control information further includes at least one of the following information fields: a time slot format indication information field; a channel occupancy time indication information field; and a search space switching indication information field.
  • the position of the first information field in the downlink control information is determined based on radio resource control signaling.
  • the resource determination method further includes: sending a wireless resource control signaling to the terminal, wherein the wireless resource control signaling is used by the terminal to determine a set of configuration information of the resources of the subband, and the downlink control information is used by the terminal to determine the configuration information of the resources of the subband in the set.
  • the resource determination method further includes: sending a wireless resource control signaling to the terminal, wherein the wireless resource control signaling is used by the terminal to determine the resources of the subband, and the time slot format indication information field in the downlink control information is used by the terminal to determine the time domain unit where the subband exists.
  • the time slot format indication information field in the downlink control information is used by the terminal to determine the time domain unit where the subband exists, and includes at least one of the following:
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the subband, and the time slot structure information field is used by the terminal to determine that the subband exists on the first time domain unit;
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the sub-band, and the time slot structure information field is used by the terminal to determine that the sub-band does not exist on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and the time slot structure information field is used by the terminal to determine that the subband exists on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and the time slot structure information field is used by the terminal to determine that the subband does not exist in the first time domain unit.
  • the downlink control information satisfies at least one of the following: indicating radio network temporary identifier scrambling through a time slot format; and being in a type 3 common search space.
  • the resources of the subband are resources within a first time window.
  • the first time window is determined according to at least one of the following: indication information of the network device; information in the downlink control information; and a detection period of the downlink control information.
  • an embodiment of the present disclosure proposes a resource determination device, which includes: a transceiver module configured to receive downlink control information sent by a network device; and a processing module configured to determine the resources of a subband according to the downlink control information.
  • an embodiment of the present disclosure provides a resource determination device, the device comprising: a transceiver module configured to send downlink control information to a terminal, wherein the downlink control information is used by the terminal to determine a subband. resource.
  • an embodiment of the present disclosure proposes a resource determination method, including: a network device sends downlink control information to a terminal; and the terminal determines a subband resource according to the downlink control information.
  • an embodiment of the present disclosure proposes a terminal, comprising: one or more processors; a memory coupled to the one or more processors, the memory storing executable instructions, and when the executable instructions are executed by the one or more processors, the terminal executes the resource determination method described in the first aspect and the optional embodiment of the first aspect.
  • an embodiment of the present disclosure proposes a network device, comprising: one or more processors; a memory coupled to the one or more processors, the memory storing executable instructions, and when the executable instructions are executed by the one or more processors, the network device executes the resource determination method described in the second aspect and the optional embodiment of the second aspect.
  • an embodiment of the present disclosure proposes a communication system, the communication system comprising: a terminal and a network device; wherein the terminal is configured to execute the method described in the first aspect and the optional embodiment of the first aspect, and the network device is configured to execute the method described in the second aspect and the optional embodiment of the second aspect.
  • an embodiment of the present disclosure proposes a storage medium, which stores instructions.
  • the communication device executes the method described in the first aspect, the optional embodiment of the first aspect, the second aspect, and the optional embodiment of the second aspect.
  • an embodiment of the present disclosure proposes a program product.
  • the communication device executes the method described in the first aspect, the optional embodiment of the first aspect, the second aspect, and the optional embodiment of the second aspect.
  • an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the first aspect, the optional embodiment of the first aspect, the second aspect, and the optional embodiment of the second aspect.
  • resource determination methods, devices, and storage media propose resource determination methods, devices, and storage media.
  • resource determination methods, information processing methods, communication methods, and other terms can be interchangeable
  • resource determination devices, information processing devices, communication devices, and other terms can be interchangeable
  • information processing systems, communication systems, and other terms can be interchangeable.
  • each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged.
  • the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined, for example, some or all of the steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • plurality refers to two or more.
  • the terms "at least one of”, “one or more”, “a plurality of”, “multiple”, etc. can be used interchangeably.
  • "at least one of A and B", “A and/or B", “A in one case, B in another case”, “in response to one case A, in response to another case B”, etc. may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). When there are more branches such as A, B, C, etc., the above is also similar.
  • the recording method of "A or B” may include the following technical solutions according to the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed).
  • A A is executed independently of B
  • B B is executed independently of A
  • execution is selected from A and B (A and B are selectively executed).
  • prefixes such as “first” and “second” in the embodiments of the present disclosure are only for distinguishing different description objects and do not constitute any restrictions on the position, order, priority, quantity or content of the description objects.
  • description objects please refer to the description in the context of the claims or embodiments, and no unnecessary restrictions should be constituted due to the use of prefixes.
  • the description object is "field”
  • the ordinal number before “field” in “first field” and “second field” does not limit the position or order between “fields”
  • “first” and “second” do not limit whether the "fields” they modify are in the same message, nor do they limit the order of "first field” and “second field”.
  • the description object is "level”
  • the ordinal number before “level” in “first level” and “second level” does not limit the priority between “levels”.
  • the number of description objects is not limited by ordinal numbers and can be one or more.
  • “first device” can be one or more.
  • the objects modified by different prefixes can be the same or different.
  • first device and second device can be the same device or different devices, and their types can be the same or different.
  • description object is "information”
  • first information and second information can be the same information or different information, and their contents can be the same or different.
  • “including A”, “comprising A”, “used to indicate A”, and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • terms such as “greater than”, “greater than or equal to”, “not less than”, “more than”, “more than or equal to”, “not less than”, “higher than”, “higher than or equal to”, “not lower than”, and “above” can be replaced with each other, and terms such as “less than”, “less than or equal to”, “not greater than”, “less than”, “less than or equal to”, “no more than”, “lower than”, “lower than or equal to”, “not higher than”, and “below” can be replaced with each other.
  • the device and the like can be interpreted as a physical or virtual object, and its name is not limited to the name described in the embodiments, such as “device”, “equipment”, “device”, Terms such as “circuit”, “network element”, “node”, “function”, “unit”, “component (section)”, “system”, “network”, “chip”, “chip system”, “entity”, and “subject” may be used interchangeably.
  • network may be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).
  • terminal In some embodiments, the terms "terminal”, “terminal device”, “user equipment (UE)”, “user terminal” “mobile station (MS)”, “mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client and the like can be used interchangeably.
  • the access network device, the core network device, or the network device can be replaced by a terminal.
  • the various embodiments of the present disclosure can also be applied to a structure in which the access network device, the core network device, or the network device and the communication between the terminals is replaced by the communication between multiple terminals (for example, device-to-device (D2D), vehicle-to-everything (V2X), etc.).
  • D2D device-to-device
  • V2X vehicle-to-everything
  • it can also be set as a structure in which the terminal has all or part of the functions of the access network device.
  • terms such as "uplink” and "downlink” can also be replaced by terms corresponding to communication between terminals (for example, "side”).
  • uplink channels, downlink channels, etc. can be replaced by side channels
  • uplinks, downlinks, etc. can be replaced by side links.
  • the terminal may be replaced by an access network device, a core network device, or a network device.
  • the access network device, the core network device, or the network device may also be configured to have a structure that has all or part of the functions of the terminal.
  • acquisition of data, information, etc. may comply with the laws and regulations of the country where the data is obtained.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of the embodiments of the present disclosure may be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns may also be implemented as an independent embodiment.
  • FIG1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
  • the communication system 100 includes a terminal 101 and a network device 102, wherein the network device includes at least one of the following: an access network device and a core network device.
  • the terminal 101 includes, for example, a mobile phone, a wearable device, an IoT device, or a
  • the present invention relates to at least one of network devices, cars with communication functions, smart cars, tablet computers, computers with wireless transceiver functions, virtual reality (VR) terminal devices, augmented reality (AR) terminal devices, wireless terminal devices in industrial control, wireless terminal devices in self-driving, wireless terminal devices in remote medical surgery, wireless terminal devices in smart grids, wireless terminal devices in transportation safety, wireless terminal devices in smart cities, and wireless terminal devices in smart homes, but is not limited to these.
  • VR virtual reality
  • AR augmented reality
  • the access network device is, for example, a node or device that accesses a terminal to a wireless network.
  • the access network device may include an evolved Node B (eNB), a next generation evolved Node B (ng-eNB), a next generation Node B (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.
  • eNB evolved Node B
  • ng-eNB next generation evolved Node B
  • gNB next generation Node B
  • NB node
  • the core network device may be a device including one or more network elements, or may be multiple devices or device groups, each including all or part of the one or more network elements.
  • the network element may be virtual or physical.
  • the core network may include, for example, at least one of the Evolved Packet Core (EPC), the 5G Core Network (5GCN), and the Next Generation Core (NGC).
  • EPC Evolved Packet Core
  • 5GCN 5G Core Network
  • NGC Next Generation Core
  • the technical solution of the present disclosure may be applicable to the Open RAN architecture.
  • the interfaces between access network devices or within access network devices involved in the embodiments of the present disclosure may become internal interfaces of Open RAN, and the processes and information interactions between these internal interfaces may be implemented through software or programs.
  • the access network device may be composed of a centralized unit (central unit, CU) and a distributed unit (distributed unit, DU), wherein the CU may also be called a control unit (control unit).
  • the CU-DU structure may be used to split the protocol layer of the access network device, with some functions of the protocol layer being centrally controlled by the CU, and the remaining part or all of the functions of the protocol layer being distributed in the DU, and the DU being centrally controlled by the CU, but not limited to this.
  • the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure.
  • a person of ordinary skill in the art can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.
  • the following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or part of the subject, but are not limited thereto.
  • the subjects shown in FIG1 are examples, and the communication system may include all or part of the subjects in FIG1 , or may include other subjects other than FIG1 , and the number and form of the subjects are arbitrary, and the subjects may be physical or virtual, and the connection relationship between the subjects is an example, and the subjects may be connected or disconnected, and the connection may be in any manner, and may be a direct connection or an indirect connection, and may be a wired connection or a wireless connection.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • LTE-B LTE-Beyond
  • SUPER 3G IMT-Advanced
  • fourth generation mobile communication system (4G) fifth generation mobile communication system
  • 5G 5G new radio
  • NR future radio access
  • FX new radio access technology
  • RAT new radio
  • NX new radio access
  • FX Future generation Future generation radio access
  • GSM Global System for Mobile communications
  • GSM registered trademark
  • CDMA2000 Code Division Multiple Access
  • UMB Ultra Mobile Broadband
  • IEEE 802.11 Wi-Fi (registered trademark)
  • IEEE 802.16 WiMAX (registered trademark)
  • IEEE 802.20 Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) network
  • D2D Device-to-Device
  • M2M Machine-to-Machine
  • IoT Vehicle-to-Everything
  • V2X Vehicle-to-Everything
  • FIG. 2 is an interactive schematic diagram showing a resource determination method according to an embodiment of the present disclosure.
  • the resource determination method may include the following steps:
  • step S201 the network device sends first information to the terminal.
  • the terminal receives first information.
  • step S202 the terminal determines subband resources according to the first information.
  • the subband includes at least one of the following: an uplink subband and a downlink subband.
  • the resources of the sub-band include at least one of the following: uplink resources of the sub-band and downlink resources of the sub-band.
  • the first information includes downlink control information.
  • the downlink control information includes at least one of the following: group common downlink control information; downlink control information dedicated to indicating resources of the subband.
  • the group common downlink control information includes:
  • the downlink control information includes a first information field, and the first information field is used to indicate the resources of the subband.
  • the downlink control information includes group common downlink control information, and the group common downlink control information further includes at least one of the following information fields:
  • the position of the first information field in the downlink control information is determined based on radio resource control signaling/message.
  • the terminal determines a set of configuration information of resources of the sub-band according to radio resource control signaling/message.
  • the terminal determines the resources of the subband according to the configuration information corresponding to the downlink control information in the set.
  • the terminal determines the resources of the sub-band according to the radio resource control signaling/message; and determines the time domain unit where the sub-band exists according to the time slot format indication information field in the downlink control information.
  • the terminal determines the time domain unit where the subband exists according to the time slot format indication information field in the downlink control information, including at least one of the following:
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the subband, and the terminal determines that the subband exists on the first time domain unit;
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the subband, and the terminal determines that the subband does not exist on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and the terminal determines that the subband exists on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and the terminal determines that the subband does not exist on the first time domain unit.
  • the downlink control information satisfies at least one of the following: indicating radio network temporary identifier scrambling through a time slot format; and being in a type 3 common search space.
  • the resources of the sub-band are resources within a first time window.
  • the first time window is determined according to at least one of: indication information of the network device; information in the downlink control information; and a detection period of the downlink control information.
  • the communication method involved in the embodiment of the present disclosure may include at least one of step S201 to step S202.
  • step S201 may be implemented as an independent embodiment
  • step S202 may be implemented as an independent embodiment, but is not limited thereto.
  • steps S201 and S202 may be performed in an interchangeable order or simultaneously.
  • step S201 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • step S202 is optional, and one or more of these steps may be omitted or replaced in different embodiments.
  • an embodiment of the present disclosure proposes a resource determination method.
  • Fig. 3 is a schematic flow chart of a resource determination method according to an embodiment of the present disclosure.
  • the resource determination method shown in this embodiment can be executed by a terminal.
  • the resource determination method may include the following steps:
  • step S301 receiving downlink control information (Downlink Control Information, DCI) sent by a network device;
  • DCI Downlink Control Information
  • step S302 subband resources are determined according to downlink control information.
  • FIG. 3 can be implemented independently or in combination with at least one other embodiment in the present disclosure.
  • the specific selection can be made as needed, and the present disclosure is not limited thereto.
  • the network device can send downlink control information to the terminal, and the terminal can receive the downlink control sent by the network device, and determine the sub-band resources according to the downlink control information.
  • the downlink control information is a dynamic signaling, it is possible to dynamically configure the sub-band resources for the terminal based on the downlink control information, so as to flexibly configure the sub-band resources required for communication to the terminal according to the needs (such as dynamically changing information such as business status and interference status), which is conducive to ensuring the communication effect of the network device based on the sub-band communication with the terminal.
  • the subband may include at least one of the following: an uplink subband (UL subband) and a downlink subband (DL subband).
  • UL stands for Uplink
  • DL stands for Downlink.
  • the resources of the sub-band may include at least one of the following: frequency domain resources of the sub-band, and time domain resources of the sub-band.
  • the downlink control information includes at least one of the following:
  • Group common downlink control information (group common DCI);
  • Downlink control information dedicated to indicating subband resources Downlink control information dedicated to indicating subband resources.
  • the group common downlink control information includes: DCI format 2_0.
  • the network device may send group common downlink control information to each terminal in the terminal group in a broadcast or multicast manner, and each terminal in the terminal group may determine the subband resource according to the group common downlink control information.
  • the downlink control information satisfies at least one of the following:
  • SFI-RNTI Slot Format Indicator Radio Network Temporary Identifier
  • Type-3 common search space (Type-3SS (Search Space)).
  • the downlink control information when the downlink control information is the downlink control information dedicated to indicating the resources of the subband, the downlink control information dedicated to indicating the resources of the subband can be scrambled by the wireless network temporary identifier related to the subband, for example, the wireless network temporary identifier can be a newly defined wireless network temporary identifier, for example, it can be called a subband time slot format indication wireless network temporary identifier (Subband SFI-RNTI).
  • Subband SFI-RNTI subband time slot format indication wireless network temporary identifier
  • the downlink control information dedicated to indicating the resources of the subband may be newly defined downlink control information.
  • the format of the downlink control information may be different from the format of legacy downlink control information.
  • the downlink control information includes a first information field, and the first information field is used to indicate resources of a subband.
  • the downlink control information may include at least one information field (field, also referred to as a field), wherein the first information field may be used to indicate the resources of the subband.
  • the first information field may reuse a traditional information field (for example, one or more reserved bits in the traditional information are used as the first information field), or may be a newly defined information field, which is not limited by the present disclosure.
  • the downlink control information includes group common downlink control information, and the group common downlink control information further includes at least one of the following information fields:
  • SFI Slot Format Indicator
  • COT indication Channel occupancy time indication
  • DCI format 2_0 may include a first information field, wherein the first information field may include at least one of the following:
  • An information field used to indicate subband time domain resources e.g. Subband time indication
  • An information field used to indicate subband frequency domain resources e.g., Subband frequency indication
  • DCI format 2_0 may also include a time slot format indication information field, for example, It includes a channel occupancy time indication information field, for example, it may also include a search space switching indication information field, for example, it may also include a time slot format indication information field and a channel occupancy time indication information field, for example, it may also include a time slot format indication information field and a search space switching indication information field, for example, it may also include a channel occupancy time indication information field and a search space switching indication information field, for example, it may also include a time slot format indication information field, a channel occupancy time indication information field and a search space switching indication information field.
  • the position of the first information field in the downlink control information may be after the three information fields, before the three information fields, or between any two of the three information fields, and the present disclosure does not limit this.
  • the downlink control information may also include information fields that are not limited to the above three types, and may also include other information fields, which is not limited by the present disclosure.
  • the position of the first information field in the downlink control information is determined based on radio resource control (RRC) signaling.
  • the terminal can determine the starting position of the first information field in the received downlink control information according to the radio resource control signaling, so as to accurately determine the information indicated by the first information field.
  • RRC radio resource control
  • the radio resource control signaling may also indicate the size of the first information field in the downlink control information (e.g., the number of bits occupied).
  • the starting position, size, and other information of the first information field in the downlink control information are not limited to those indicated by the radio resource control signaling, but may also be agreed upon by the protocol.
  • part of the starting position, size, and other information may be agreed upon by the protocol, and the other part may be indicated by the radio resource control signaling.
  • the downlink control information may indicate to the terminal the resources of the subbands in one or more carriers (a carrier may correspond to a cell, and thus may also be written as a cell here).
  • the downlink control information includes multiple indication information respectively used to indicate the resources of subbands on multiple carriers.
  • the downlink control information includes indication information #1 and indication information #2, wherein indication information #1 is used to indicate the resources of the subband on carrier #1, and indication information #2 is used to indicate the resources of the subband on carrier #2.
  • the resources of the sub-band are resources within the first time window.
  • the first time window is determined according to at least one of the following:
  • the network device can indicate the subband resources within the first time window to the terminal through downlink control information.
  • the terminal can communicate with the network device based on the subband resources within the first time window, and stop communicating with the network device based on the subband resources outside the first time window.
  • the first time window can be indicated by the network device through indication information, or can be indicated by the network device through information in the downlink control information, or can be determined based on the monitoring period of the downlink control information, for example, the monitoring period of the downlink control information can be related to the period of the search space where the downlink control information is located (for example, equal to the period of the search space).
  • the search space in the embodiment of the present disclosure can be a common search space (CSS) or a terminal-specific search space (USS), which is not limited by the present disclosure.
  • the resource determination method further comprises: determining a set of configuration information of resources of a subband according to radio resource control signaling;
  • determining the subband resource according to the downlink control information includes: determining the subband resource according to the downlink control information corresponding to the downlink control information in the set The configuration information determines the resources of the subband.
  • the network device may indicate a set of configuration information of sub-band resources to the terminal through radio resource control signaling, wherein the set may be represented in the form of a list or in other forms, which is not limited by the present disclosure. Further, the network device may indicate a configuration information in the above set through downlink control information (such as an uplink grant (UL grant) information field or a downlink assignment (DL assignment) information field in the downlink control information) for the terminal to determine the sub-band resources.
  • downlink control information such as an uplink grant (UL grant) information field or a downlink assignment (DL assignment) information field in the downlink control information
  • the terminal may first determine a set of configuration information of sub-band resources according to the radio resource control signaling, and then determine configuration information one by one in the set according to the downlink control information, and determine the sub-band resources according to the configuration information.
  • the subband includes an uplink subband
  • the network device configures an uplink subband candidate (UL subband candidate) for the terminal through radio resource control signaling.
  • the radio resource control signaling configures M types of uplink subband candidates for the terminal.
  • the resource configuration information is different.
  • the length of the uplink subband indication (UL subband indication) carried in the downlink control information can be log 2 (M) bits.
  • Table 1 shows the association relationship between the uplink subband indication and the uplink subband configuration index.
  • the uplink subband indication occupies 2 bits, thereby indicating four situations of 00, 01, 10, and 11.
  • the uplink subband configuration index (UL subband configuration index) can correspond one-to-one to the configuration information in the set.
  • the terminal can determine the corresponding uplink subband configuration index according to the downlink subband indication in the downlink control information, and then determine the corresponding configuration information according to the uplink subband configuration index, and determine the uplink subband resources according to the configuration information.
  • the configuration information of the set may include an empty configuration.
  • the terminal may determine that there is no subband in the first time window.
  • the configuration information of the sub-band resources can be fully included in the wireless resource control signaling, or partially included in the wireless resource control signaling and partially included in the downlink control information.
  • one of the time domain resource configuration information and the frequency domain resource configuration information is included in the wireless resource control signaling, and the other is included in the downlink control information. The present disclosure does not limit this.
  • determining the resource of the subband according to the downlink control information includes:
  • the time domain unit where the subband exists is determined according to the time slot format indication information field in the downlink control information.
  • the network device can, on the one hand, configure sub-band resources for the terminal through wireless resource control signaling, and on the other hand, indicate to the terminal the transmission direction (e.g., uplink, downlink, flexible) corresponding to the time domain unit through the time slot format indication information field in the downlink control information.
  • the terminal can determine the time domain unit where the sub-band of resources indicated in the wireless resource control signaling is located based on the time slot format indication information field.
  • determining the time domain unit where the subband exists according to the time slot format indication information field in the downlink control information includes at least one of the following:
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the subband. At the same time, determining that a subband exists on the first time domain unit;
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the subband, and it is determined that there is no subband on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and it is determined that a subband exists on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and it is determined that no subband exists on the first time domain unit.
  • the logic of determining the time domain unit in which the subband exists according to the time slot format indication information field in the downlink control information is not limited to the above, and for example, may also include at least one of the following:
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the subband, and it is determined that there is no subband on the first time domain unit;
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the sub-band, and it is determined that the sub-band exists on the first time domain unit.
  • the downlink control information may indicate to the terminal the resources of the subbands in one or more carriers.
  • the logic of determining the time domain unit where the subband exists according to the time slot format indication information field in the downlink control information may be determined for each carrier.
  • the terminal can determine on which carrier or carriers the time domain unit with subbands is determined according to the time slot format indication information field in the downlink control information according to the network device indication.
  • the terminal can determine on carrier #1 the time domain unit with subbands according to the time slot format indication information field in the downlink control information according to the network device indication, but not determine on carrier #2 the time domain unit with subbands according to the time slot format indication information field in the downlink control information.
  • the terminal can determine, based on the configuration of the subband on the carrier, on which carrier or carriers the time domain unit with the subband is determined according to the time slot format indication information field in the downlink control information.
  • carrier #1 and carrier #2 the terminal can first determine the configuration of the subband on carrier #1 and carrier #2.
  • the terminal can be determined that on carrier #1 the time domain unit with the subband is determined according to the time slot format indication information field in the downlink control information, and on carrier #2 the time domain unit with the subband is not determined according to the time slot format indication information field in the downlink control information.
  • the terminal in the embodiments of the present disclosure may be a terminal with full-duplex capability or a terminal with half-duplex capability, which is not limited by the present disclosure.
  • the network device may configure a sub-band for one or more terminals in a time-division duplex (TDD) frequency band and perform full-duplex communication on the time domain unit configured with the sub-band.
  • TDD time-division duplex
  • the network device may configure an uplink subband on a downlink time domain unit or a flexible time domain unit, and the network device may perform uplink communication in the uplink subband and perform downlink communication on frequency domain resources other than the uplink subband corresponding to the downlink time domain unit or the flexible time domain unit.
  • the downlink time domain unit or the flexible time domain unit may be semi-static or determined based on the time slot format indication information field in the downlink control information.
  • the network device can configure an uplink subband under an uplink time domain unit or a flexible time domain unit, and then the network device can perform downlink communication in the downlink subband and perform uplink communication on frequency domain resources other than the downlink subband corresponding to the uplink time domain unit or the flexible time domain unit.
  • the uplink time domain unit or the flexible time domain unit can be semi-static or determined based on the time slot format indication information field in the downlink control information.
  • the semi-static uplink time domain unit, the downlink time domain unit, and the flexible time domain unit can be controlled by the network device.
  • the terminal is configured through a time division duplex uplink and downlink common configuration (tdd-UL-DL-ConfigurationCommon), or through a time division duplex uplink and downlink common configuration and a time division duplex uplink and downlink dedicated configuration (tdd-UL-DL-ConfigurationDedicated).
  • the time domain unit includes at least one of the following: a frame, a subframe, a time slot (slot), and a symbol (symbol), wherein the symbol can be an OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexing) symbol.
  • 4A and 4B are schematic diagrams of application scenarios of a resource determination method according to an embodiment of the present disclosure.
  • the network device configures a semi-static time slot structure of DDFFU for the terminal for the five time slots slot#0 to slot#4, wherein D indicates that the transmission direction corresponding to the time slot is downlink, U indicates that the transmission direction corresponding to the time slot is uplink, and F indicates that the transmission direction corresponding to the time slot is flexible, that is, the transmission direction corresponding to slot#0 to slot#1 is downlink, the transmission direction corresponding to slot#2 to slot#3 is flexible, and the transmission direction corresponding to slot#4 is uplink.
  • D indicates that the transmission direction corresponding to the time slot is downlink
  • U indicates that the transmission direction corresponding to the time slot is uplink
  • F indicates that the transmission direction corresponding to the time slot is flexible, that is, the transmission direction corresponding to slot#0 to slot#1 is downlink, the transmission direction corresponding to slot#2 to slot#3 is flexible
  • the transmission direction corresponding to slot#4 is uplink.
  • the network device can dynamically adjust the time slot structure through the time slot format in the downlink control information. For example, as shown in Figure 4B, the network device indicates through the time slot format indication information field in the downlink control information that the transmission direction of slot#2 among the above five time slots is uplink, and the transmission direction of slot#3 is downlink.
  • the network device also indicates the subband resources through radio resource control signaling, including the uplink subband resources on the above slot#2 and slot#3 (the time domain resources include the 3rd to 4th time slots, and the frequency domain resources are not limited in this disclosure).
  • determining a time domain unit where a subband exists according to a time slot format indication information field in the downlink control information includes: the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the subband, thereby determining that a subband exists on the first time domain unit; and the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the subband, thereby determining that no subband exists on the first time domain unit.
  • the transmission direction indicated by the slot structure indication information field for slot#2 is also uplink, which is the same as the transmission direction corresponding to the subband, so it can be determined that there are uplink subband resources configured by the radio resource control signaling on slot#2; and the transmission direction indicated by the slot structure indication information field for slot#3 is also downlink, which is opposite to the transmission direction corresponding to the subband, so it can be determined that there are no uplink subband resources configured by the radio resource control signaling on slot#3.
  • the terminal is in slot#2 and can perform uplink communication with the network device in the uplink subband.
  • the network device only needs to configure the sub-band resources for the terminal in the wireless resource control signaling, and the terminal can determine which specific sub-band is configured on which time domain units based on the transmission direction of the sub-band and the transmission direction indicated by the time slot structure indication information field in the downlink control information. Accordingly, the network device does not need to indicate the sub-band resources for each time domain unit separately, which is conducive to saving the overhead of the network device configuring sub-band resources for the terminal.
  • an embodiment of the present disclosure proposes a resource determination method.
  • Fig. 5 is a schematic flow chart of a resource determination method according to an embodiment of the present disclosure.
  • the resource determination method shown in this embodiment can be executed by a network device.
  • the resource determination method may include the following steps:
  • step S501 downlink control information is sent to a terminal, wherein the downlink control information is used by the terminal to determine subband resources.
  • the network device can send downlink control information to the terminal, and the terminal can receive the downlink control information sent by the network device and determine the subband resources according to the downlink control information.
  • the downlink control information is dynamic signaling, it is possible to dynamically configure the subband resources for the terminal based on the downlink control information, so as to flexibly allocate the subband resources required for communication according to the needs (such as dynamically changing information such as service status and interference status). Allocating resources to the terminal is helpful to ensure the communication effect between the network device and the terminal based on the sub-band.
  • the subband may include at least one of the following: an uplink subband (UL subband), a downlink subband (DL subband).
  • UL subband uplink subband
  • DL subband downlink subband
  • the resources of the sub-band may include at least one of the following: frequency domain resources of the sub-band, and time domain resources of the sub-band.
  • the downlink control information includes at least one of the following:
  • Downlink control information dedicated to indicating subband resources Downlink control information dedicated to indicating subband resources.
  • the group common downlink control information includes: DCI format 2_0.
  • the network device may send group common downlink control information to each terminal in the terminal group in a broadcast or multicast manner, and each terminal in the terminal group may determine the subband resource according to the group common downlink control information.
  • the downlink control information satisfies at least one of the following:
  • SFI-RNTI Slot Format Indicator Radio Network Temporary Identity
  • Type-3 common search space (Type-3SS).
  • the downlink control information when the downlink control information is the downlink control information dedicated to indicating the resources of the subband, the downlink control information dedicated to indicating the resources of the subband can be scrambled by the wireless network temporary identifier related to the subband, for example, the wireless network temporary identifier can be a newly defined wireless network temporary identifier, for example, it can be called a subband time slot format indication wireless network temporary identifier (Subband SFI-RNTI).
  • Subband SFI-RNTI subband time slot format indication wireless network temporary identifier
  • the downlink control information dedicated to indicating the resources of the subband may be newly defined downlink control information.
  • the format of the downlink control information may be different from the format of legacy downlink control information.
  • the downlink control information includes a first information field, and the first information field is used to indicate resources of a subband.
  • the downlink control information may include at least one information field (field, also referred to as a field), wherein the first information field may be used to indicate the resources of the subband.
  • the first information field may reuse a traditional information field (for example, one or more reserved bits in the traditional information are used as the first information field), or may be a newly defined information field, which is not limited by the present disclosure.
  • the downlink control information includes group common downlink control information, and the group common downlink control information further includes at least one of the following information fields:
  • SFI Slot Format Indicator
  • COT indication Channel occupancy time indication
  • DCI format 2_0 may include a first information field, wherein the first information field may include at least one of the following:
  • An information field used to indicate subband time domain resources e.g. Subband time indication
  • An information field used to indicate subband frequency domain resources e.g., Subband frequency indication
  • DCI format 2_0 may also include a time slot format indication information field, for example, It includes a channel occupancy time indication information field, for example, it may also include a search space switching indication information field, for example, it may also include a time slot format indication information field and a channel occupancy time indication information field, for example, it may also include a time slot format indication information field and a search space switching indication information field, for example, it may also include a channel occupancy time indication information field and a search space switching indication information field, for example, it may also include a time slot format indication information field, a channel occupancy time indication information field and a search space switching indication information field.
  • the position of the first information field in the downlink control information may be after the three information fields, before the three information fields, or between any two of the three information fields, and the present disclosure does not limit this.
  • the downlink control information may also include information fields that are not limited to the above three types, and may also include other information fields, which is not limited by the present disclosure.
  • the position of the first information field in the downlink control information is determined based on radio resource control (RRC) signaling.
  • the terminal can determine the starting position of the first information field in the received downlink control information according to the radio resource control signaling, so as to accurately determine the information indicated by the first information field.
  • RRC radio resource control
  • the radio resource control signaling may also indicate the size of the first information field in the downlink control information (e.g., the number of bits occupied).
  • the starting position, size, and other information of the first information field in the downlink control information are not limited to those indicated by the radio resource control signaling, but may also be agreed upon by the protocol.
  • part of the starting position, size, and other information may be agreed upon by the protocol, and the other part may be indicated by the radio resource control signaling.
  • the downlink control information may indicate to the terminal the resources of the subbands in one or more carriers (a carrier may correspond to a cell, and thus may also be written as a cell here).
  • the downlink control information includes multiple indication information respectively used to indicate the resources of subbands on multiple carriers.
  • the downlink control information includes indication information #1 and indication information #2, wherein indication information #1 is used to indicate the resources of the subband on carrier #1, and indication information #2 is used to indicate the resources of the subband on carrier #2.
  • the resources of the sub-band are resources within the first time window.
  • the first time window is determined according to at least one of the following:
  • the network device can indicate the subband resources within the first time window to the terminal through downlink control information.
  • the terminal can communicate with the network device based on the subband resources within the first time window, and stop communicating with the network device based on the subband resources outside the first time window.
  • the first time window may be indicated by the network device through indication information, or may be indicated by the network device through information in the downlink control information, or may be determined based on a monitoring period of the downlink control information, for example, the monitoring period of the downlink control information may be related to a period of the search space where the downlink control information is located (for example, equal to the period of the search space).
  • the search space in the embodiment of the present disclosure may be a common search space (CSS) or a terminal-specific search space (USS), which is not limited by the present disclosure.
  • the resource determination method further includes: sending wireless resource control signaling to the terminal, wherein the wireless resource control signaling is used by the terminal to determine a set of configuration information of subband resources, and the downlink control information is used by the terminal to determine the configuration information of subband resources in the set.
  • the network device may indicate a set of configuration information of sub-band resources to the terminal through radio resource control signaling, wherein the set may be represented in the form of a list or in other forms, which is not limited by the present disclosure. Further, the network device may indicate a configuration information in the above set through downlink control information (such as an uplink grant (UL grant) information field or a downlink assignment (DL assignment) information field in the downlink control information) for the terminal to determine the sub-band resources.
  • downlink control information such as an uplink grant (UL grant) information field or a downlink assignment (DL assignment) information field in the downlink control information
  • the terminal may first determine a set of configuration information of sub-band resources according to the radio resource control signaling, and then determine configuration information one by one in the set according to the downlink control information, and determine the sub-band resources according to the configuration information.
  • the subband includes an uplink subband
  • the network device configures an uplink subband candidate (UL subband candidate) for the terminal through radio resource control signaling.
  • the radio resource control signaling configures M types of uplink subband candidates for the terminal.
  • the resource configuration information is different.
  • the length of the uplink subband indication (UL subband indication) carried in the downlink control information can be log 2 (M) bits.
  • Table 1 above shows the association between the uplink subband indication and the uplink subband configuration index.
  • the uplink subband indication occupies 2 bits, thereby being able to indicate four situations: 00, 01, 10, and 11.
  • the uplink subband configuration index (UL subband configuration index) may correspond one-to-one to the configuration information in the set, and the network device may indicate the corresponding uplink subband configuration index to the terminal through the downlink subband indication in the downlink control information, and then the terminal may determine the corresponding configuration information according to the uplink subband configuration index, and determine the uplink subband resources according to the configuration information.
  • the configuration information of the set may include an empty configuration.
  • the terminal may determine that there is no subband in the first time window.
  • the configuration information of the sub-band resources can be fully included in the wireless resource control signaling, or partially included in the wireless resource control signaling and partially included in the downlink control information.
  • one of the time domain resource configuration information and the frequency domain resource configuration information is included in the wireless resource control signaling, and the other is included in the downlink control information. The present disclosure does not limit this.
  • the resource determination method further includes: sending wireless resource control signaling to the terminal, wherein the wireless resource control signaling is used by the terminal to determine the resources of the subband, and the time slot format indication information field in the downlink control information is used by the terminal to determine the time domain unit where the subband exists.
  • the network device can, on the one hand, configure sub-band resources for the terminal through wireless resource control signaling, and on the other hand, indicate to the terminal the transmission direction (e.g., uplink, downlink, flexible) corresponding to the time domain unit through the time slot format indication information field in the downlink control information.
  • the terminal can determine the time domain unit where the sub-band of resources indicated in the wireless resource control signaling is located based on the time slot format indication information field.
  • the time slot format indication information field in the downlink control information is used by the terminal to determine the time domain unit in which the subband exists, and includes at least one of the following:
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the subband, and the time slot structure information field is used by the terminal to determine whether the subband exists on the first time domain unit;
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the subband, and the time slot structure information field is used by the terminal to determine that there is no subband on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and the time slot structure information field is used by the terminal to determine whether a subband exists on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and the time slot structure information field is used by the terminal to determine whether a subband does not exist on the first time domain unit.
  • time slot format indication information field in the downlink control information is used by the terminal to determine the logic of the time domain unit in which the subband exists, and is not limited to the above, for example, it may also include at least one of the following:
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the subband, and it is determined that there is no subband on the first time domain unit;
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the sub-band, and it is determined that the sub-band exists on the first time domain unit.
  • the downlink control information may indicate to the terminal the resources of the subbands in one or more carriers.
  • the logic of determining the time domain unit where the subband exists according to the time slot format indication information field in the downlink control information may be determined for each carrier.
  • the network device may instruct the terminal to determine on which carrier or carriers the time domain unit of the subband exists according to the time slot format indication information field in the downlink control information.
  • the terminal may determine, according to the instruction of the network device, that the time domain unit of the subband exists on carrier #1 according to the time slot format indication information field in the downlink control information, but not determine that the time domain unit of the subband exists on carrier #2 according to the time slot format indication information field in the downlink control information.
  • the terminal can determine, based on the configuration of the subband on the carrier, on which carrier or carriers the time domain unit with the subband is determined according to the time slot format indication information field in the downlink control information.
  • carrier #1 and carrier #2 the terminal can first determine the configuration of the subband on carrier #1 and carrier #2.
  • the terminal can be determined that on carrier #1 the time domain unit with the subband is determined according to the time slot format indication information field in the downlink control information, and on carrier #2 the time domain unit with the subband is not determined according to the time slot format indication information field in the downlink control information.
  • the terminal in the embodiments of the present disclosure may be a terminal with full-duplex capability or a terminal with half-duplex capability, which is not limited by the present disclosure.
  • the network device may configure a sub-band for one or more terminals in a time division duplex (TDD) frequency band and perform full-duplex communication on the time domain unit configured with the sub-band.
  • TDD time division duplex
  • the network device may configure an uplink subband on a downlink time domain unit or a flexible time domain unit, and the network device may perform uplink communication in the uplink subband and perform downlink communication on frequency domain resources other than the uplink subband corresponding to the downlink time domain unit or the flexible time domain unit.
  • the downlink time domain unit or the flexible time domain unit may be semi-static or determined based on the time slot format indication information field in the downlink control information.
  • the network device can configure an uplink subband under an uplink time domain unit or a flexible time domain unit, and then the network device can perform downlink communication in the downlink subband and perform uplink communication on frequency domain resources other than the downlink subband corresponding to the uplink time domain unit or the flexible time domain unit.
  • the uplink time domain unit or the flexible time domain unit can be semi-static or determined based on the time slot format indication information field in the downlink control information.
  • the semi-static uplink time domain unit, downlink time domain unit, and flexible time domain unit can be configured to the terminal by the network device through the time division duplex uplink and downlink common configuration (tdd-UL-DL-ConfigurationCommon), or through the time division duplex uplink and downlink common configuration and the time division duplex uplink and downlink dedicated configuration (tdd-UL-DL-ConfigurationDedicated).
  • the time domain unit includes at least one of the following: frame, subframe, time slot (slot), symbol (symbol), wherein the symbol can be an OFDM symbol.
  • the network device configures a semi-static time slot structure of DDFFU for the terminal for 5 time slots, wherein D indicates that the transmission direction corresponding to the time slot is downlink, U indicates that the transmission direction corresponding to the time slot is uplink, and F indicates that the transmission direction corresponding to the time slot is flexible, that is, the transmission direction corresponding to the 1st to 2nd time slots is downlink, the transmission direction corresponding to the 3rd to 4th time slots is flexible, and the transmission direction corresponding to the 5th time slot is uplink.
  • D indicates that the transmission direction corresponding to the time slot is downlink
  • U indicates that the transmission direction corresponding to the time slot is uplink
  • F indicates that the transmission direction corresponding to the time slot is flexible, that is, the transmission direction corresponding to the 1st to 2nd time slots is downlink, the transmission direction corresponding to the 3rd to 4th time slots is flexible, and the transmission direction corresponding to the 5th time slot is uplink.
  • the network device can dynamically adjust the time slot structure through the time slot format in the downlink control information. For example, as shown in Figure 4B, the network device indicates through the time slot format indication information field in the downlink control information that the transmission direction of the third time slot among the above five time slots is uplink, and the transmission direction of the fourth time slot is downlink.
  • the network device also indicates the subband resources through wireless resource control signaling, including the uplink subband resources on the above-mentioned 3rd time slot and 4th time slot (the time domain resources include the 3rd to 4th time slots, and the frequency domain resources are not limited in this disclosure).
  • determining a time domain unit where a subband exists according to a time slot format indication information field in the downlink control information includes: the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the subband, thereby determining that a subband exists on the first time domain unit; and the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the subband, thereby determining that no subband exists on the first time domain unit.
  • the transmission direction indicated by the slot structure indication information field for the third time slot is also uplink, which is the same as the transmission direction corresponding to the subband, so it can be determined that there are uplink subband resources configured by the radio resource control signaling in the third time slot; and the transmission direction indicated by the slot structure indication information field for the fourth time slot is also downlink, which is opposite to the transmission direction corresponding to the subband, so it can be determined that there are no uplink subband resources configured by the radio resource control signaling in the third time slot.
  • the terminal can perform uplink communication with the network device in the uplink subband.
  • the network device only needs to configure the sub-band resources for the terminal in the wireless resource control signaling, and the terminal can determine which specific sub-band is configured on which time domain units based on the transmission direction of the sub-band and the transmission direction indicated by the time slot structure indication information field in the downlink control information. Accordingly, the network device does not need to indicate the sub-band resources for each time domain unit separately, which is conducive to saving the overhead of the network device configuring sub-band resources for the terminal.
  • the names of information, etc. are not limited to the names recorded in the embodiments, and terms such as “information”, “message”, “signal”, “signaling”, “report”, “configuration”, “indication”, “instruction”, “command”, “channel”, “parameter”, “domain”, “field”, “symbol”, “symbol”, “code element”, “codebook”, “codeword”, “codepoint”, “bit”, “data”, “program”, and “chip” can be used interchangeably.
  • terms such as “uplink”, “uplink”, “physical uplink” can be interchangeable, and terms such as “downlink”, “downlink”, “physical downlink” can be interchangeable, and terms such as “side”, “sidelink”, “side communication”, “sidelink communication”, “direct connection”, “direct link”, “direct communication”, “direct link communication” can be interchangeable.
  • DCI downlink control information
  • DL downlink
  • UL uplink
  • UL DCI uplink
  • search space search space set
  • search space configuration search space set configuration
  • control resource set CORESET
  • CORESET configuration control resource set
  • terms such as “moment”, “time point”, “time”, and “time position” can be interchangeable, and terms such as “duration”, “period”, “time window”, “window”, and “time” can be interchangeable.
  • CC component carrier
  • cell cell
  • frequency carrier frequency carrier
  • carrier frequency carrier frequency
  • frame radio frame
  • subframe slot
  • sub-slot sub-slot
  • mini-slot mini-slot
  • sub-slot sub-slot
  • mini-slot mini-slot
  • obtain can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from high levels, obtaining by self-processing, autonomous implementation, etc.
  • the present disclosure also provides an embodiment of a resource determination device.
  • FIG6 is a schematic block diagram of a resource determination device according to an embodiment of the present disclosure.
  • the resource determination device includes a transceiver module 601 and a processing module 602 .
  • the transceiver module is configured to receive downlink control information sent by the network device; the processing module is configured to determine the resources of the subband according to the downlink control information.
  • the downlink control information includes at least one of the following: group common downlink control information; downlink control information dedicated to indicating resources of the subband.
  • the group common downlink control information includes: DCI format 2_0.
  • the downlink control information includes a first information field, and the first information field is used to indicate the resources of the subband.
  • the downlink control information includes group common downlink control information, and the group common downlink control information also includes at least one of the following information fields: a time slot format indication information field; a channel occupancy time indication information field; and a search space switching indication information field.
  • the position of the first information field in the downlink control information is determined based on radio resource control signaling.
  • the processing module is further configured to determine a set of configuration information of the resources of the sub-band according to wireless resource control signaling; and is configured to determine the resources of the sub-band according to the configuration information corresponding to the downlink control information in the set.
  • the processing module is configured to determine the resources of the sub-band according to radio resource control signaling; and determine the time domain unit where the sub-band exists according to the time slot format indication information field in the downlink control information.
  • the determining, according to the time slot format indication information field in the downlink control information, the time domain unit in which the subband exists includes at least one of the following:
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the sub-band, and it is determined that the sub-band exists on the first time domain unit;
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the sub-band, and determining that the sub-band does not exist on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and determining that the subband exists on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and it is determined that the subband does not exist on the first time domain unit.
  • the downlink control information satisfies at least one of the following: indicating radio network temporary identifier scrambling through a time slot format; and being in a type 3 common search space.
  • the resources of the sub-band are resources within a first time window.
  • the first time window is determined according to at least one of: indication information of the network device; information in the downlink control information; and a detection period of the downlink control information.
  • the resource determination device shown in FIG. 6 is not limited to including the above-mentioned transceiver module and processing module, and may also include other modules, such as a storage module, a display module, etc., and the present disclosure does not limit this.
  • Fig. 7 is a schematic block diagram of a resource determination device according to an embodiment of the present disclosure. As shown in Fig. 7 , the resource determination device includes a transceiver module 701 .
  • the transceiver module is configured to send downlink control information to the terminal, wherein the downlink control information is used by the terminal to determine subband resources.
  • the downlink control information includes at least one of the following: group common downlink control information; downlink control information dedicated to indicating resources of the subband.
  • the group common downlink control information includes: DCI format 2_0.
  • the downlink control information includes a first information field, and the first information field is used to indicate the resources of the subband.
  • the downlink control information includes group common downlink control information, and the group common downlink control information also includes at least one of the following information fields: a time slot format indication information field; a channel occupancy time indication information field; and a search space switching indication information field.
  • the position of the first information field in the downlink control information is determined based on radio resource control signaling.
  • the transceiver module is further configured to send wireless resource control signaling to the terminal, wherein the wireless resource control signaling is used by the terminal to determine a set of configuration information of the resources of the subband, and the downlink control information is used by the terminal to determine the configuration information of the resources of the subband in the set.
  • the transceiver module is further configured to send wireless resource control signaling to the terminal, wherein the wireless resource control signaling is used by the terminal to determine the resources of the subband, and the time slot format indication information field in the downlink control information is used by the terminal to determine the time domain unit where the subband exists.
  • the time slot format indication information field in the downlink control information is used by the terminal to determine the time domain unit in which the subband exists, and includes at least one of the following:
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is the same as the transmission direction corresponding to the subband, and the time slot structure information field is used by the terminal to determine that the subband exists on the first time domain unit;
  • the transmission direction corresponding to the first time domain unit indicated by the time slot structure information field is opposite to the transmission direction corresponding to the sub-band, and the time slot structure information field is used by the terminal to determine that the sub-band does not exist on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and the time slot structure information field is used by the terminal to determine that the subband exists on the first time domain unit;
  • the first time domain unit indicated by the time slot structure information field is a flexible time domain unit, and the time slot structure information field is used by the terminal to determine that the subband does not exist in the first time domain unit.
  • the downlink control information satisfies at least one of the following: indicating radio network temporary identifier scrambling through a time slot format; and being in a type 3 common search space.
  • the resources of the sub-band are resources within a first time window.
  • the first time window is determined according to at least one of: indication information of the network device; information in the downlink control information; and a detection period of the downlink control information.
  • the resource determination device shown in FIG. 7 is not limited to including the above-mentioned transceiver module, but may also include other modules, such as a storage module, a processing module, etc., and the present disclosure does not limit this.
  • the relevant parts refer to the partial description of the method embodiment.
  • the device embodiment described above is only schematic, wherein the modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, that is, they may be located in one place, or they may be distributed on multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative work.
  • the embodiment of the present disclosure further proposes a resource determination method, comprising: a network device sends downlink control information to a terminal; and the terminal determines a subband resource according to the downlink control information.
  • An embodiment of the present disclosure also proposes a terminal, comprising: one or more processors; a memory coupled to the one or more processors, wherein executable instructions are stored in the memory, and when the executable instructions are executed by the one or more processors, the terminal executes the resource determination method described in the first aspect and the optional embodiments of the first aspect.
  • An embodiment of the present disclosure also proposes a network device, comprising: one or more processors; a memory coupled to the one or more processors, wherein executable instructions are stored on the memory, and when the executable instructions are executed by the one or more processors, the network device executes the resource determination method described in the second aspect and the optional embodiments of the second aspect.
  • An embodiment of the present disclosure also proposes a communication system, including a terminal and a network device, wherein the terminal is configured to implement the resource determination method described in the first aspect and the optional embodiment of the first aspect, and the network device is configured to implement the resource determination method described in the second aspect and the optional embodiment of the second aspect.
  • An embodiment of the present disclosure further proposes a storage medium storing instructions, which, when executed on a communication device, enables the communication device to execute a resource determination method as described in any one of the first aspect, the optional embodiment of the first aspect, the second aspect, and the optional embodiment of the second aspect.
  • the embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device is proposed, the above device includes a unit or module for implementing each step performed by the terminal in any of the above methods.
  • a device is also proposed, including a unit or module for implementing each step performed by a network device (such as an access network device, a core network function node, a core network device, etc.) in any of the above methods.
  • a network device such as an access network device, a core network function node, a core network device, etc.
  • the division of the units or modules in the above device is only a division of logical functions. In actual implementation, they can be fully or partially integrated into one physical entity, or they can be physically separated.
  • the units or modules in the device can be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory Instructions are stored in the memory, and the processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of each unit or module of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory in the device or a memory outside the device.
  • CPU central processing unit
  • microprocessor a microprocessor
  • the unit or module in the device can be implemented in the form of a hardware circuit, and the functions of some or all of the units or modules can be implemented by designing the hardware circuit.
  • the above hardware circuit can be understood as one or more processors; for example, in one implementation, the above hardware circuit is an application-specific integrated circuit (ASIC), and the functions of some or all of the above units or modules are implemented by designing the logical relationship of the components in the circuit; for example, in another implementation, the above hardware circuit can be implemented by a programmable logic device (PLD), taking a field programmable gate array (FPGA) as an example, which can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by a configuration file, so as to implement the functions of some or all of the above units or modules. All units or modules of the above devices may be implemented entirely in the form of a processor calling software, or entirely in the form of a hardware circuit, or partially in the form of a processor calling software and the rest in the form of a hardware circuit.
  • the processor is a circuit with signal processing capability.
  • the processor may be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which may be understood as a microprocessor), or a digital signal processor (DSP); in another implementation, the processor may implement certain functions through the logical relationship of a hardware circuit, and the logical relationship of the above hardware circuit may be fixed or reconfigurable, such as a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document to implement the hardware circuit configuration may be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be a hardware circuit designed for artificial intelligence, which can be understood as ASIC, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • ASIC Neural Network Processing Unit
  • NPU Neural Network Processing Unit
  • TPU Tensor Processing Unit
  • DPU Deep Learning Processing Unit
  • FIG8 is a schematic diagram of the structure of a communication device 8100 proposed in an embodiment of the present disclosure.
  • the communication device 8100 may be a network device (e.g., an access network device, a core network device, etc.), or a terminal (e.g., a user device, etc.), or a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods.
  • the communication device 8100 may be used to implement the method described in the above method embodiment, and the details may refer to the description in the above method embodiment.
  • the communication device 8100 includes one or more processors 8101.
  • the processor 8101 may be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit.
  • the baseband processor may be used to process the communication protocol and the communication data
  • the central processing unit may be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a program, and process the data of the program.
  • the processor 8101 is used to call instructions so that the communication device 8100 executes any of the above methods.
  • the communication device 8100 further includes one or more memories 8102 for storing instructions.
  • the memory 8102 may also be outside the communication device 8100.
  • the communication device 8100 further includes one or more transceivers 8103.
  • the communication steps such as sending and receiving in the above method are executed by the transceiver 8103, and the other steps are executed by the processor 8101.
  • the transceiver may include a receiver and a transmitter, and the receiver and the transmitter may be separate or integrated.
  • the terms transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be interchangeable, and the terms transmitter, transmission unit, transmitter, transmission circuit, etc. may be interchangeable.
  • the receiver, receiving unit, transmitter, etc. may be interchangeable.
  • the terms element, receiver, receiving circuit, etc. are used interchangeably.
  • the communication device 8100 further includes one or more interface circuits 8104, which are connected to the memory 8102.
  • the interface circuit 8104 can be used to receive signals from the memory 8102 or other devices, and can be used to send signals to the memory 8102 or other devices.
  • the interface circuit 8104 can read instructions stored in the memory 8102 and send the instructions to the processor 8101.
  • the communication device 8100 described in the above embodiments may be a network device or a terminal, but the scope of the communication device 8100 described in the present disclosure is not limited thereto, and the structure of the communication device 8100 may not be limited by FIG. 8.
  • the communication device may be an independent device or may be part of a larger device.
  • the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, a vehicle-mounted device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.
  • Fig. 9 is a schematic diagram of the structure of a chip 9200 provided in an embodiment of the present disclosure.
  • the communication device 8100 may be a chip or a chip system
  • the chip 9200 includes one or more processors 9201, and the processor 9201 is used to call instructions so that the chip 9200 executes any of the above methods.
  • the chip 9200 further includes one or more interface circuits 9202, which are connected to the memory 9203.
  • the interface circuit 9202 can be used to receive signals from the memory 9203 or other devices, and the interface circuit 9202 can be used to send signals to the memory.
  • the interface circuit 9202 can read the instructions stored in the memory 9203 and send the instructions to the processor 9201.
  • the terms such as interface circuit, interface, transceiver pin, transceiver, etc. can be replaced with each other.
  • the chip 9200 further includes one or more memories 9203 for storing instructions.
  • the memory 9203 may be outside the chip 9200.
  • the present disclosure also proposes a storage medium, on which instructions are stored, and when the instructions are executed on the communication device 8100, the communication device 8100 executes any of the above methods.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices.
  • the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a temporary storage medium.
  • the present disclosure also proposes a program product, which, when executed by the communication device 8100, enables the communication device 8100 to execute any of the above methods.
  • the program product is a computer program product.
  • the present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to execute any one of the above methods.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente divulgation, qui relève du domaine technique des communications, concerne en particulier un procédé et un appareil de détermination de ressources, et un support de stockage. Le procédé de détermination de ressources comprend : la réception d'informations de commande de liaison descendante envoyées par un dispositif de réseau ; et la détermination d'une ressource d'une sous-bande sur la base des informations de commande de liaison descendante. Sur la base de la présente divulgation, un dispositif de réseau peut envoyer des informations de commande de liaison descendante à un terminal, et le terminal peut recevoir les informations de commande de liaison descendante envoyées par le dispositif de réseau et déterminer une ressource d'une sous-bande sur la base des informations de commande de liaison descendante. Étant donné que les informations de commande de liaison descendante sont une signalisation dynamique, la ressource de la sous-bande peut être configurée de manière dynamique pour le terminal sur la base des informations de commande de liaison descendante de sorte qu'il est pratique de configurer, pour le terminal selon les besoins, la ressource de la sous-bande requise pour une communication, ce qui est approprié pour assurer un effet de communication du dispositif de réseau réalisant une communication avec le terminal sur la base de la sous-bande.
PCT/CN2023/122357 2023-09-27 2023-09-27 Procédé et appareil de détermination de ressources, et support de stockage Pending WO2025065450A1 (fr)

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