WO2021197457A1 - Procédé de communication sans fil, dispositif de réseau et dispositif terminal - Google Patents

Procédé de communication sans fil, dispositif de réseau et dispositif terminal Download PDF

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Publication number
WO2021197457A1
WO2021197457A1 PCT/CN2021/085187 CN2021085187W WO2021197457A1 WO 2021197457 A1 WO2021197457 A1 WO 2021197457A1 CN 2021085187 W CN2021085187 W CN 2021085187W WO 2021197457 A1 WO2021197457 A1 WO 2021197457A1
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Prior art keywords
srs resource
resource set
srs
target
spatial information
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PCT/CN2021/085187
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English (en)
Chinese (zh)
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施源
杨宇
孙鹏
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维沃移动通信有限公司
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies

Definitions

  • the present invention relates to the field of communication, in particular to a wireless communication method, network equipment and terminal equipment.
  • the network side can configure sounding reference signal (Sounding Reference Signal, SRS) resources for the user equipment (User Equipment, UE), and the UE can implement uplink measurement by sending SRS, and the network side can obtain the uplink based on the received SRS measurement.
  • SRS Sounding Reference Signal
  • UE User Equipment
  • CSI Channel State Information
  • SRS resources can be divided into four categories: SRS resources for codebook transmission, SRS resources for non-codebook transmission, SRS resources for beam training, and antenna selection.
  • the network side will configure at least one SRS resource set (SRS resource set) for the UE according to specific conditions, and each SRS resource set contains corresponding SRS resources.
  • the network equipment needs to configure SRS resources for different purposes for the terminal, resulting in a waste of SRS resources.
  • One of the technical problems solved by the embodiments of the present invention is that the SRS resource overhead in related technologies is relatively large.
  • an embodiment of the present invention provides a wireless communication method applied to a network device.
  • the method includes: configuring a sounding reference signal SRS resource set, the SRS resource set corresponding to target configuration information; and combining the target configuration information Sent to a terminal device; wherein the target configuration information is used to indicate at least one of the following: the SRS resources in the SRS resource set are used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated,
  • the target object includes at least one of SRS resources, spatial information associated with the SRS resources, and reference signal related parameters associated with the spatial information.
  • an embodiment of the present invention provides a network device, including: a configuration module, configured to configure a sounding reference signal SRS resource set, the SRS resource set corresponds to target configuration information; a sending module, configured to configure the target The information is sent to the terminal device; wherein the target configuration information is used to indicate at least one of the following: the SRS resources in the SRS resource set are used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated
  • the target object includes at least one of SRS resources, spatial information associated with the SRS resources, and reference signal related parameters associated with the spatial information.
  • an embodiment of the present invention provides a network device, including: a memory, a processor, and a computer program stored on the memory and running on the processor, the computer program being executed by the processor When realizing the steps of the method as described in the first aspect.
  • an embodiment of the present invention provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method described in the first aspect are implemented .
  • an embodiment of the present invention provides a wireless communication method applied to a terminal device.
  • the method includes: receiving target configuration information, where the target configuration corresponds to a sounding reference signal SRS resource set configured by the network device;
  • the target configuration information is used to indicate at least one of the following: the SRS resources in the SRS resource set are used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated, and the target object includes: SRS resource , At least one of spatial information associated with the SRS resource, and reference signal related parameters associated with the spatial information.
  • an embodiment of the present invention provides a terminal device, including: a receiving module, configured to receive target configuration information, where the target configuration corresponds to a sounding reference signal SRS resource set configured by the network device; wherein, the target configuration information Used to indicate at least one of the following: the SRS resources in the SRS resource set are used for beam management and codebook transmission at the same time; and the target object corresponding to the SRS resource set is activated, and the target object includes: SRS resources and SRS resources At least one of associated spatial information and reference signal related parameters associated with the spatial information.
  • an embodiment of the present invention provides a terminal device, including: a memory, a processor, and a computer program stored on the memory and running on the processor, the computer program being executed by the processor When realizing the steps of the method as described in the fifth aspect.
  • an embodiment of the present invention provides a computer-readable storage medium having a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method described in the fifth aspect are implemented .
  • the network device may configure a sounding reference signal SRS resource set corresponding to the target configuration information for the terminal device, so as to indicate the SRS resource set through the target configuration information.
  • the target configuration information may It is used to indicate at least one of the following: each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time; to activate the target object corresponding to the SRS resource set, where the target object includes but It is not limited to at least one of SRS resources, spatial information associated with SRS resources, and reference signal related parameters associated with the spatial information.
  • the target configuration information indicates that each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time
  • the multiplexing of SRS resources can be realized to save the time for the terminal equipment to perform uplink transmission, thereby Improve the efficiency of uplink transmission
  • the target configuration information indicates the target object corresponding to the activated SRS resource set
  • the purpose of saving resources corresponding to the SRS resource set can be achieved, thereby reducing resource overhead.
  • FIG. 1 is a schematic flowchart of a wireless communication method in an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a second wireless communication method in an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a network device in an embodiment of the present invention.
  • Figure 4 is a schematic structural diagram of a terminal device in an embodiment of the present invention.
  • Figure 5 is a schematic diagram of the structure of a second type of network equipment in an embodiment of the present invention.
  • Fig. 6 is a schematic structural diagram of a second type of terminal device in an embodiment of the present invention.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • GSM Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE-A Long Term Evolution/Enhanced Long Term Evolution
  • NR NR
  • User-side UE can also be called terminal equipment (Mobile Terminal), mobile user equipment, etc., and can communicate with one or more core networks via a radio access network (RAN), and user equipment can be terminal equipment.
  • RAN radio access network
  • user equipment can be terminal equipment.
  • they can be portable, pocket-sized, handheld, computer-built or vehicle-mounted mobile devices, which exchange languages and/or wireless access networks. Or data.
  • Network equipment also called a base station
  • BTS Base Transceiver Station
  • NodeB base station
  • evolutional Node B evolutional Node B
  • LTE Long Term Evolution
  • ENB e-NodeB
  • gNB 5G base station
  • an embodiment of the present invention provides a wireless communication method, which is executed by a network device, and the method includes the following process steps.
  • Step 101 Configure an SRS resource set, and the SRS resource set corresponds to target configuration information.
  • Step 103 Send the target configuration information to the terminal device.
  • the above-mentioned target configuration information is used to indicate at least one of the following: SRS resources in the SRS resource set are used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated, and the target object includes: SRS resource, and SRS resource At least one of associated spatial information and reference signal related parameters associated with the spatial information.
  • the network device may configure the SRS resource set corresponding to the target configuration information for the terminal device, so as to give relevant instructions to the SRS resource set through the target configuration information.
  • the target configuration information can be used to indicate at least one of the following: each SRS resource in the SRS resource set can be used for beam management (BM) and codebook (codebook) transmission at the same time;
  • BM beam management
  • codebook codebook
  • the target object corresponding to the SRS resource set is activated, where the target object includes but is not limited to at least one of the SRS resource, spatial information associated with the SRS resource, and reference signal related parameters associated with the spatial information.
  • the target configuration information indicates that each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time
  • the multiplexing of SRS resources can be realized to save the time for the terminal equipment to perform uplink transmission, thereby Improve the efficiency of uplink transmission
  • the target configuration information indicates the target object corresponding to the activated SRS resource set
  • the purpose of saving resources corresponding to the SRS resource set can be achieved, thereby reducing resource overhead.
  • the foregoing SRS resource set may include at least one SRS resource (SRS resource).
  • SRS resource When the SRS resource set is used for codebook transmission, it can include at most two SRS resources.
  • the activated target object corresponding to the above-mentioned SRS resource set may be part or all of all the objects corresponding to the SRS resource set.
  • spatial relation information when the spatial information associated with the SRS resource is uplink spatial information, it can usually be represented by spatial relation information (spatialrelationinfo); when the spatial information associated with the SRS resource is downlink spatial information, the status can usually be indicated by transmission configuration.
  • TCI state Transmission Configuration Indicator state
  • QCL Quasi co-location
  • the above-mentioned target configuration information is used to indicate that the SRS resources in the SRS resource set are used for beam management and codebook transmission at the same time
  • the above-mentioned SRS resource set meets the following conditions At least one of:
  • the number of SRS ports corresponding to the SRS resources in the above-mentioned SRS resource set is the first number, and the first number is the number of SRS ports corresponding to when the SRS resources in the SRS resource set are configured to be used only for codebook transmission.
  • the number of SRS ports corresponding to each SRS resource should be configured to meet the requirement of the number of ports that can be used for codebook transmission, that is, it should be equal to the SRS
  • the number of SRS ports configured for each SRS resource In an example, the value of the first number may be 2.
  • the total number of SRS resources in the aforementioned SRS resource set is the second number, and the second number is the number of SRS resources corresponding to when the SRS resources in the SRS resource set are configured to be used only for beam management.
  • the total number of SRS resources in the SRS resource set should be configured to meet the requirement of the number of SRS resources that can be used for beam management, that is, it should be equal to When each SRS resource in the SRS resource set is only used for codebook transmission, the number of all SRS resources included in the SRS resource set.
  • the foregoing SRS resource set includes the first An SRS resource and a second SRS resource, where the first SRS resource is used for at least one of beam management and codebook transmission; wherein, the maximum value of all the first indexes corresponding to the first SRS resource is less than all of the second SRS resources The minimum value in the first index.
  • each SRS resource in the SRS resource set can support beam management and codebook transmission at the same time, and some of the SRS resources need to be selected for beam management and/or codebook transmission, the first SRS resource set can be used.
  • a part of SRS resources with a smaller index That is to say, when configuring the SRS resource set, you can directly configure and select the SRS resource whose at least one index (index) meets the corresponding requirement for use.
  • the terminal device may be notified of the first SRS resource selected by the terminal device through Downlink Control Information (DCI) signaling.
  • DCI Downlink Control Information
  • the indication may be performed based on at least one of the SRS resource indicator (SRS resource indicator, SRI) field and the SRS request field (SRS request field) in the DCI signaling.
  • the first index may include, but is not limited to, the SRS resource ID and the target index of the spatial information associated with the SRS resource.
  • the target index may include at least one of a spatial information ID, a reference signal ID associated with the spatial information, and a reference signal type associated with the spatial information.
  • a part of the SRS resources with a smaller SRSresourceID can be selected based on the size of the SRSresourceID.
  • a reference signal of a certain reference signal type can be selected based on whether the reference signal types corresponding to the spatial information associated with the SRS resource are the same or not and the size of the reference signal ID.
  • a part of SRS resources with a smaller ID for the SRS resources included in the SRS resource set, a reference signal of a certain reference signal type can be selected based on whether the reference signal types corresponding to the spatial information associated with the SRS resource are the same or not and the size of the reference signal ID.
  • the foregoing reference signal types may include CSI reference signals (CSI Reference Signal, CSI-RS), synchronization signal block (Synchronization Signal and PBCH block, SSB), SRS, positioning reference signal (Positioning Reference Signal, PRS), and so on.
  • CSI reference signals CSI Reference Signal, CSI-RS
  • synchronization signal block Synchronization Signal and PBCH block, SSB
  • SRS positioning reference signal
  • PRS Positioning Reference Signal
  • the first SRS resource is the only SRS resource in the SRS resource set, and at this time, the second SRS included in the SRS resource set The number of resources is 0.
  • the first SRS resource may be N SRS resources with the smallest first index in the SRS resource set, and N is a positive integer.
  • the above-mentioned target configuration information is sent to the terminal device through Medium Access Control Control Element (MAC CE) signaling or DCI signaling, etc. It indicates that the SRS resources in the above-mentioned SRS resource set are used for beam management and codebook transmission at the same time.
  • MAC CE Medium Access Control Control Element
  • the number of target objects is less than the total number of all objects corresponding to the SRS resource set.
  • the number of the aforementioned target objects may also be equal to the total number of all objects corresponding to the SRS resource set.
  • each SRS resource in the SRS resource set supports simultaneous use of beam management and codebook transmission.
  • y SRS resources may be selected to be activated from the x SRS resources included in the SRS resource set. Among them, y ⁇ x.
  • z pieces of spatial information may be selected to be activated from the Q pieces of spatial information corresponding to the SRS resource set. Among them, z ⁇ Q.
  • each SRS resource in the SRS resource set may be configured in different ways
  • the corresponding piece of spatial information includes but is not limited to the following examples.
  • each SRS resource in the above-mentioned SRS resource set is configured with one piece of spatial information. That is, when configuring the SRS resource set, one piece of spatial information is configured for each SRS resource in the SRS resource set, respectively.
  • the spatial information corresponding to different SRS resources in the SRS resource set may be the same or different.
  • the wireless communication method of the embodiment of the present invention may further include the following content: configuring a candidate spatial information pool; and associating one piece of spatial information in the candidate spatial information pool for each SRS resource in the SRS resource set.
  • the candidate spatial information pool may include at least one piece of spatial information.
  • each SRS resource in the SRS resource set can be respectively associated with one piece of spatial information in the candidate spatial information pool.
  • the spatial information associated with different SRS resources in the SRS resource set may be the same or different; and the total number of spatial information contained in the candidate spatial information pool may be equal to or equal to the total number of SRS resources contained in the SRS resource set. Can vary.
  • the above target configuration information when used to indicate the target object corresponding to the activated SRS resource set, it may include the following content: through MAC CE signaling, activate the corresponding SRS resource set target.
  • the target configuration information may be sent to the terminal device through MAC CE signaling to instruct to activate the target object corresponding to the above-mentioned SRS resource set.
  • a certain number of bits in the MAC CE signaling may be used to indicate the target object corresponding to the activated SRS resource set. For example, 1 bit or 2 bits, when the value corresponding to a certain number of bits is 1, it indicates that the target object corresponding to the SRS resource set is activated.
  • the content of the target object corresponding to the SRS resource set activated through MAC CE signaling may be described based on different target objects, including but not limited to the following specific embodiments .
  • the above-mentioned process of activating the target object corresponding to the SRS resource set may specifically include: activating through the first MACCE signaling A reference signal related parameter associated with the spatial information corresponding to the SRS resource set, where the reference signal related parameter includes at least one of a reference signal type and a reference signal index.
  • the target configuration information is sent to the terminal device through the first MACCE signaling to activate the reference signal related parameters associated with the spatial information corresponding to the SRS resource set.
  • the first MAC CE signaling some or all of the reference signal related parameters associated with the spatial information corresponding to the SRS resource set are activated.
  • the above-mentioned reference signal types associated with spatial information may include SSB, CSI-RS, PRS, and so on.
  • the above-mentioned activation of the reference signal-related parameters associated with the spatial information corresponding to the SRS resource set through the first MACCE signaling may include the following One of (1) or (2).
  • the process of activating the reference signal related parameters associated with the spatial information corresponding to the SRS resource set may specifically include: referring to some or all of the reference signal associated with the spatial information corresponding to the SRS resource set After the signal-related parameters are updated, they can be specifically updated through a certain MAC CE, and then some or all of the reference signal-related parameters associated with the spatial information corresponding to the SRS resource set are activated through a certain MACCE signaling.
  • the number of some or all of the reference signal related parameters associated with the spatial information updated through the corresponding MAC CE signaling may be equal to some or all of the reference signal related parameters associated with the spatial information activated through the corresponding MAC CE signaling quantity.
  • the above process of activating the target object corresponding to the SRS resource set may specifically include the following content: activating the SRS corresponding to the SRS resource set through the second MACCE signaling resource.
  • the target configuration information is sent to the terminal device through the second MACCE signaling to activate the SRS resource in the SRS resource set.
  • the second MAC CE signaling part or all of the SRS resources in the SRS resource set can be activated.
  • the above-mentioned process of activating the target object corresponding to the SRS resource set may specifically include the following content:
  • the SRS resources in the SRS resource set are activated through the fourth MAC CE signaling.
  • part of the SRS resource set is activated through the fourth MACCE signaling. Or all SRS resources.
  • the number of SRS resources updated through the third MAC CE signaling may be equal to the number of SRS resources activated through the fourth MAC CE signaling.
  • the foregoing third quantity of SRS resources includes one of the following (1) and (2).
  • the third number of SRS resources arranged in the first preset order in the SRS resource set that is to say, some or all of the SRS resources that are ranked first in the SRS resource set according to a certain sorting rule are updated.
  • the above-mentioned first preset order may include the result of sorting the SRS resources in the SRS resource set from front to back or back to front in time domain order, and the SRS resource collection from small to large or from large to small by SRS resource ID.
  • the result of sorting the SRS resources in the SRS resource the result of sorting the SRS resources in the SRS resource set according to the target index of the spatial information associated with the SRS resource (such as the aforementioned spatial information ID, etc.).
  • the above process of activating the target object corresponding to the SRS resource set may specifically include the following content: activating through the fifth MAC CE signaling
  • the spatial information associated with the SRS resource corresponding to the SRS resource set may specifically include the following content: activating through the fifth MAC CE signaling The spatial information associated with the SRS resource corresponding to the SRS resource set.
  • the target configuration information is sent to the terminal device through the fifth MACCE signaling to activate the spatial information associated with the SRS resource corresponding to the SRS resource set.
  • the fifth MAC CE signaling part or all of the spatial information associated with the SRS resource corresponding to the SRS resource set can be activated.
  • the above-mentioned process of activating the target object corresponding to the SRS resource set may specifically include the following content:
  • the spatial information associated with the SRS resource corresponding to the SRS resource set is activated through the seventh MAC CE signaling.
  • the seventh MACCE signaling activates part or all of the spatial information associated with the SRS resource corresponding to the SRS resource set.
  • the number of spatial information associated with SRS resources updated through the sixth MAC CE signaling may be equal to the number of spatial information associated with SRS resources activated through the seventh MAC CE signaling.
  • the foregoing fourth quantity of spatial information associated with SRS resources includes one of the following (1) and (2).
  • the fourth quantity of spatial information associated with the SRS resource that is arranged first in the second preset order in the above-mentioned SRS resource set is updated.
  • the foregoing second preset order may include the result of sorting the SRS resources in the SRS resource set from front to back or from back to front in time domain order, and according to the target index of the spatial information associated with the SRS resource (for example, the foregoing spatial information ID, etc.) the result of sorting the SRS resources in the SRS resource set.
  • the MAC CE signaling used to activate and/or update the object corresponding to the SRS resource mentioned in the foregoing specific embodiments may be different signaling, or at least two of them may be the same. Signaling.
  • 1 bit in each MAC CE signaling can be used to indicate whether to activate and/or update the object corresponding to the SRS resource.
  • the number of configured SRS resource sets may be one or more; then, when there are multiple configured SRS resource sets, at least two MACs in each of the above-mentioned MAC and CE signaling
  • the CE signaling can be associated with the set ID of the same SRS resource set.
  • the following content is further included: updating the trigger state of the SRS resource set through the eighth MAC CE signaling.
  • MAC CE signaling may be used to instruct to change the trigger state of the SRS resource set.
  • it is suitable for aperiodic SRS resource collections.
  • the wireless communication method in the embodiment of the present invention further includes the following content: triggering the antenna panel information or terminal device antenna port information associated with the SRS resource set through the ninth MAC CE signaling.
  • the MAC CE signaling can be used to instruct the terminal device to specifically select which antenna panel or UE antenna port to send the corresponding SRS resource.
  • the wireless communication method of the embodiment of the present invention in addition to activating the target object corresponding to the SRS resource through the MAC CE signaling, it is also possible to select some objects from the activated target objects for use through the DCI signaling, or from Select some objects from the SRS resource set for use through DCI signaling. Including but not limited to the following specific embodiments.
  • the wireless communication method of the embodiment of the present invention may further include the following content: instructing to select at least one object from the activated target objects through the first downlink control information DCI signaling.
  • DCI signaling may be used to instruct to select at least one SRS resource from the activated y SRS resources for use.
  • DCI signaling may be used to instruct to select at least one piece of spatial information from the activated z pieces of spatial information for use.
  • the wireless communication method of the embodiment of the present invention may also include the following content: the total number of target objects contained or activated in the SRS resource set is greater than the first preset number, or the second DCI signaling When the maximum number of target objects indicated in the target domain is less than or equal to the first preset number, the second DCI signaling is used to instruct to select at least one object from the second preset number of objects, and the second preset number of The object is the object that is arranged first in the third preset order among the activated target objects or among all the target objects included in the SRS resource collection.
  • DCI signaling can be used to select some objects that meet certain requirements from all the target objects contained in the activated target objects or the SRS resource set for use.
  • the target field in the DCI signaling may be at least one of the SRI field and the SRS request field.
  • the first N activated SRS resources corresponding to the SRS resource set ie the second preset number
  • the spatial information associated with the SRS resource ie Select at least one SRS resource or spatial information associated with the SRS resource in the target object for use.
  • the above-mentioned third preset order may include the result of sorting the SRS resources in the SRS resource collection from front to back or back to front in time domain order, and the SRS resource collection from small to large or large to small by SRS resource ID.
  • the wireless communication method of the embodiment of the present invention may also include the following content: the total number of target objects included or activated in the SRS resource set is less than or equal to the first preset number, or in the third DCI signaling When the maximum number of target objects indicated correspondingly to the target domain is greater than the first preset number, the third DCI signaling is used to instruct to select at least one object from the activated target objects or all the target objects included in the SRS resource set.
  • the DCI signaling can also be used from the activated ones. Part of the target objects or all the target objects contained in the SRS resource collection are selected for use.
  • At least one SRS resource or one associated with the SRS resource can be selected directly from all SRS resources contained in the SRS resource set or the spatial information associated with the SRS resource or the activated SRS resource or the spatial information associated with the SRS resource through the DCI signaling. Use spatial information.
  • the values of the first preset number and the second preset number can be set according to specific conditions such as the total number of target objects included in the SRS resource set.
  • the wireless communication method of the embodiment of the present invention may further include the following content: updating the spatial information associated with the SRS resource indicated by the third DCI signaling through the tenth MAC CE signaling. That is to say, the spatial information associated with the SRS resource selected by the third DCI signaling is updated through the MAC CE signaling.
  • the spatial information associated with the SRS resource indicated by the second DCI signaling can also be updated through the corresponding MAC CE signaling.
  • spatial information and information required for uplink codebook transmission can be obtained through one SRSresource transmission, thereby saving the terminal uplink transmission time.
  • resource saving is realized, and all SRSresources in the SRSresource set are prevented from activating every time.
  • an embodiment of the present invention provides a wireless communication method, which is executed by a terminal device, and the method includes the following process steps.
  • Step 201 Receive target configuration information, where the target configuration corresponds to the SRS resource set configured by the network device.
  • the target configuration information is used to indicate at least one of the following: SRS resources in the SRS resource set are used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated, and the target object includes: SRS resource and association with SRS resource At least one of the spatial information of and the reference signal related parameters associated with the spatial information.
  • the terminal device can receive target configuration information from the network device, the target configuration information corresponds to the SRS resource set configured by the network device, and the target configuration information can be used to learn that the network device performs related instructions on the SRS resource set Specifically, the target configuration information can be used to indicate at least one of the following: each SRS resource in the SRS resource set can be used for beam management BM and codebook transmission at the same time; corresponding to the SRS resource set
  • the target object of is activated, where the target object includes but is not limited to at least one of SRS resources, spatial information associated with the SRS resources, and reference signal related parameters associated with the spatial information.
  • the target configuration information indicates that each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time
  • the multiplexing of SRS resources can be achieved to save the time for uplink transmission, thereby improving the uplink Transmission efficiency
  • the target configuration information indicates the target object corresponding to the activated SRS resource set
  • the purpose of saving resources corresponding to the SRS resource set can be achieved, thereby reducing resource overhead.
  • the foregoing SRS resource set may include at least one SRS resource (SRS resource).
  • SRS resource When the SRS resource set is used for codebook transmission, it can include at most two SRS resources.
  • the activated target object corresponding to the above-mentioned SRS resource set may be part or all of all the objects corresponding to the SRS resource set.
  • spatial relation information when the spatial information associated with the SRS resource is uplink spatial information, it can usually be represented by spatial relation information (spatialrelationinfo); when the spatial information associated with the SRS resource is downlink spatial information, the status can usually be indicated by the transmission configuration. TCI state information or quasi co-location QCL information.
  • the SRS resource set satisfies At least one of the following conditions (1) and (2).
  • the number of SRS ports corresponding to the SRS resources in the above SRS resource set is a first number, and the first number is the SRS corresponding to when the SRS resources in the SRS resource set are configured to be used only for codebook transmission Number of ports.
  • the number of SRS ports corresponding to each SRS resource is configured to meet the requirement of the number of ports that can be used for codebook transmission, which should be equal to this
  • the number of SRS ports configured for each SRS resource In an example, the value of the first number may be 2.
  • the total number of SRS resources in the aforementioned SRS resource set is a second number, and the second number is the number of SRS resources corresponding to when the SRS resources in the SRS resource set are configured to be used only for beam management.
  • the total number of SRS resources in the SRS resource set is configured to meet the requirement of the number of SRS resources that can be used for beam management, that is, should It is equal to the number of all SRS resources included in the SRS resource set when each SRS resource in the SRS resource set is only used for codebook transmission.
  • the foregoing SRS resource set includes the first An SRS resource and a second SRS resource.
  • the above-mentioned first SRS resource is used for at least one of beam management and codebook transmission; wherein, the maximum value of all the first indexes corresponding to the first SRS resource is smaller than that of the second SRS resource The smallest value among all first indexes.
  • each SRS resource in the SRS resource set can support beam management and codebook transmission at the same time, and some of the SRS resources need to be selected for beam management and/or codebook transmission, the first SRS resource set can be used.
  • a part of SRS resources with a smaller index That is to say, when the SRS resource set is configured, it can be directly configured to select the SRS resource whose at least one index (index) meets the corresponding requirement for use.
  • the above-mentioned first SRS resource may be selected according to the DCI signaling configured by the network device. Specifically, relevant information can be obtained through at least one of the SRI field and the SRS request field in the DCI signaling.
  • relevant information can be obtained through at least one of the SRI field and the SRS request field in the DCI signaling.
  • the foregoing target configuration information may be received through MAC CE signaling or DCI signaling sent by a network device, so as to obtain the information in the foregoing SRS resource set.
  • SRS resources are used for beam management and codebook transmission at the same time.
  • the number of the target object is smaller than that corresponding to the SRS resource set. The total number of all objects.
  • the number of the aforementioned target objects may also be equal to the total number of all objects corresponding to the SRS resource set.
  • each SRS resource in the SRS resource set supports simultaneous use of beam management and codebook transmission.
  • each SRS resource in the SRS resource set can be used in different ways.
  • Configure the corresponding spatial information including but not limited to:
  • each SRS resource in the above-mentioned SRS resource set is configured with one piece of spatial information. That is, when the network device configures the SRS resource set, it configures a piece of spatial information for each SRS resource in the SRS resource set in a one-to-one correspondence.
  • the spatial information corresponding to different SRS resources in the SRS resource set may be the same or different.
  • each SRS resource in the above-mentioned SRS resource set is associated with one piece of spatial information in the candidate spatial information pool.
  • each SRS resource in the SRS resource set is respectively associated with one piece of spatial information in the candidate spatial information pool separately configured by the network device.
  • the spatial information associated with different SRS resources in the SRS resource set may be the same or different.
  • the above step 201 includes: receiving the corresponding SRS resource set corresponding to the activated SRS resource set sent by the network device.
  • the target configuration information can be received through MAC CE signaling to activate the target object corresponding to the above-mentioned SRS resource set.
  • the target configuration information used to indicate the target object corresponding to the activated SRS resource set may be obtained by parsing a certain number of bits in the MAC CE signaling. For example, 1 bit or 2 bits, when the value corresponding to the certain number of bits is 1, it can indicate the target object corresponding to the activated SRS resource set.
  • the content of the target object corresponding to the SRS resource set activated according to the received MAC CE signaling may be described based on different target objects, including but not limited to the following Specific examples.
  • the above step 201 may include the following content: receiving the first MAC CE signaling sent by the network device, the first MAC The CE signaling is used to activate reference signal related parameters associated with spatial information corresponding to the SRS resource set, and the above reference signal related parameters include at least one of a reference signal type and a reference signal index.
  • the target configuration information is received through the first MAC CE signaling to activate the reference signal related parameters associated with the spatial information corresponding to the SRS resource set.
  • the first MAC CE signaling some or all of the reference signal related parameters associated with the spatial information corresponding to the SRS resource set are activated.
  • the above-mentioned reference signal types associated with spatial information may include SSB, CSI-RS, PRS, and so on.
  • the related content of activation based on the specific situation of the reference signal type associated with the spatial information may refer to the wireless communication corresponding to FIG. 1 above.
  • the relevant content in the method embodiment will not be repeated here.
  • the related content of the reference signal related parameters associated with spatial information corresponding to the corresponding MAC CE signaling activation or update of the SRS resource set can be referred to the related content in the wireless communication method embodiment corresponding to FIG. 1 , I won’t repeat it here.
  • the above step 201 may include the following content: receiving the second MACCE signaling sent by the network device, the second MACCE signaling is used to activate the corresponding SRS resource set SRS resources.
  • the target configuration information is received through the second MAC CE signaling to activate the SRS resource in the SRS resource set.
  • the second MAC CE signaling part or all of the SRS resources in the SRS resource set can be activated.
  • only part or all of the SRS resources in the SRS resource set may be updated according to the received corresponding MAC CE signaling.
  • the above step 201 may include the following content: receiving the fourth MAC CE signaling sent by the network device, and the fourth MAC CE signaling is used when passing through the network After the third MAC CE signaling sent by the device updates the third number of SRS resources in the SRS resource set, the SRS resources in the SRS resource set are activated.
  • the signaling activates part or all of the SRS resources in the above-mentioned SRS resource set.
  • the number of SRS resources updated through the third MAC CE signaling may be equal to the number of SRS resources activated through the fourth MAC CE signaling.
  • the foregoing third quantity of SRS resources includes one of the following (1) and (2).
  • the third number of SRS resources arranged in the first preset order in the SRS resource set that is to say, some or all of the SRS resources that are ranked first in the SRS resource set according to a certain sorting rule are updated.
  • the above-mentioned first preset order may include the result of sorting the SRS resources in the SRS resource set from front to back or back to front in time domain order, and the SRS resource collection from small to large or from large to small by SRS resource ID.
  • the result of sorting the SRS resources in the SRS resource the result of sorting the SRS resources in the SRS resource set according to the target index of the spatial information associated with the SRS resource (such as the aforementioned spatial information ID, etc.).
  • the above step 201 may include the following content: receiving the fifth MAC CE signaling sent by the network device, and the fifth MAC CE signaling Used to activate the spatial information associated with the SRS resource corresponding to the SRS resource set.
  • the target configuration information is received through the fifth MAC CE signaling to activate the spatial information associated with the SRS resource corresponding to the SRS resource set.
  • the fifth MAC CE signaling part or all of the spatial information associated with the SRS resource corresponding to the SRS resource set can be activated.
  • only part or all of the spatial information associated with the SRS resource corresponding to the SRS resource set may be updated according to the corresponding MAC CE signaling received.
  • the above step 201 may include the following content: receiving the seventh MAC CE signaling sent by the network device, the seventh MAC CE signaling It is used to activate the spatial information associated with the SRS resource corresponding to the SRS resource set after updating the fourth quantity of spatial information associated with the SRS resource corresponding to the SRS resource set through the sixth MAC CE signaling sent by the network device.
  • the number of spatial information associated with the SRS resource updated through the sixth MAC CE signaling may be equal to the number of spatial information associated with the SRS resource activated through the seventh MAC CE signaling.
  • the foregoing fourth quantity of spatial information associated with SRS resources includes one of the following (1) and (2).
  • the fourth quantity of spatial information associated with the SRS resource that is arranged first in the second preset order in the above-mentioned SRS resource set is updated.
  • the foregoing second preset order may include the result of sorting the SRS resources in the SRS resource set from front to back or from back to front in time domain order, and according to the target index of the spatial information associated with the SRS resource (for example, the foregoing spatial information ID, etc.) the result of sorting the SRS resources in the SRS resource set.
  • the MAC CE signaling used to activate and/or update the object corresponding to the SRS resource mentioned in the foregoing specific embodiments may be different signaling, or at least two of them may be the same. Signaling.
  • 1 bit in each MAC CE signaling can be used to indicate whether to activate and/or update the object corresponding to the SRS resource.
  • the number of configured SRS resource sets may be one or more; then, when there are multiple configured SRS resource sets, at least two MACs in each of the above-mentioned MAC and CE signaling
  • the CE signaling can be associated with the set ID of the same SRS resource set.
  • the following content may be further included: receiving the eighth MAC CE signaling sent by the network device, and the eighth MAC CE signaling is used to update the trigger status of the SRS resource set .
  • the following content may also be included: receiving the ninth MAC CE signaling sent by the network device, and the ninth MAC CE signaling is used for antenna panel information associated with the SRS resource set Or trigger by terminal device antenna port information.
  • the trigger state of the SRS resource set can be changed according to the received MAC CE signaling.
  • it is suitable for aperiodic SRS resource collections.
  • the receiving module 401 may also be used to: receive the first downlink control information DCI signaling sent by the network device, and the first DCI signaling is used to indicate the slave activation Select at least one object among the target objects.
  • the wireless communication method of the embodiment of the present invention in addition to activating the target object corresponding to the SRS resource according to the received MAC CE signaling, it is also possible to select a part from the activated target object according to the received DCI signaling The object is used, or some objects are selected from the SRS resource set for use according to the received DCI signaling. Including but not limited to the following specific embodiments.
  • the wireless communication method of the embodiment of the present invention may further include the following content: receiving the first downlink control information DCI signaling sent by the network device, and the first DCI signaling is used to indicate the slave activated target Select at least one object among the objects.
  • the wireless communication method of the embodiment of the present invention may also include the following content: the total number of target objects contained or activated in the SRS resource set is greater than the first preset number, or the second DCI signaling When the maximum number of target objects indicated in the target domain is less than or equal to the first preset number, the second DCI signaling sent by the network device is received, and the second DCI signaling is used to indicate the second preset number of objects At least one object is selected from among the second preset number of objects, and at least one object is selected among the activated target objects or all the target objects included in the SRS resource set.
  • DCI signaling can be used to select some objects that meet certain requirements from the activated target objects or all the target objects included in the SRS resource set for use.
  • the target field in the DCI signaling may be at least one of the SRI field and the SRS request field.
  • the above-mentioned third preset order may include the result of sorting the SRS resources in the SRS resource collection from front to back or back to front in time domain order, and the SRS resource collection from small to large or large to small by SRS resource ID.
  • the wireless communication method of the embodiment of the present invention may also include the following content: the total number of target objects included or activated in the SRS resource set is less than or equal to the first preset number, or in the third DCI signaling When the maximum number of target objects indicated by the target domain is greater than the first preset number, the third DCI signaling sent by the network device is received, and the third DCI signaling is used to indicate from the activated target objects or the SRS resource set Select at least one object from all target objects included.
  • the DCI signaling can also be used from the activated ones. Part of the target objects or all the target objects contained in the SRS resource collection are selected for use.
  • the values of the first preset number and the second preset number can be set according to specific conditions such as the total number of target objects included in the SRS resource set.
  • the wireless communication method of the embodiment of the present invention may also include the following content: receiving the tenth MAC CE signaling sent by the network device, and the tenth MAC CE signaling is used to communicate with the SRS indicated by the third DCI signaling.
  • the spatial information associated with the resource is updated.
  • the spatial information associated with the SRS resource selected by the third DCI signaling can be updated according to the received MAC CE signaling.
  • the spatial information associated with the SRS resource indicated by the second DCI signaling can also be updated through the corresponding MAC CE signaling.
  • spatial information and information required for uplink codebook transmission can be obtained through one SRS resource transmission, thereby saving the time of the terminal's uplink transmission.
  • resource saving is realized, and all SRS resources in the SRS resource set are prevented from activating every time.
  • an embodiment of the present invention provides a network device 300.
  • the network device 300 includes: a configuration module 301 and a sending module 303.
  • the configuration module 301 is used to configure the SRS resource set, and the SRS resource set corresponds to target configuration information; the sending module 303 is used to send the target configuration information to the terminal device; wherein the target configuration information is used to indicate at least one of the following: SRS resource
  • the SRS resources in the set are used for beam management and codebook transmission at the same time; the target objects corresponding to the SRS resource set are activated, and the target objects include: SRS resources, spatial information associated with SRS resources, and reference signal related parameters associated with spatial information At least one of them.
  • the foregoing SRS resource set satisfies the following conditions At least one of: the number of SRS ports corresponding to the SRS resources in the SRS resource set is a first number, and the first number is the number of SRS ports corresponding to when the SRS resources in the SRS resource set are configured to be used only for codebook transmission; The total number of SRS resources in the SRS resource set is the second number, and the second number is the number of SRS resources corresponding to when the SRS resources in the SRS resource set are configured to be used only for beam management.
  • the foregoing SRS resource set includes a first SRS resource and a second SRS resource, and the first SRS resource is used for at least one of beam management and codebook transmission; wherein, The maximum value among all the first indexes corresponding to the first SRS resource is smaller than the minimum value among all the first indexes corresponding to the second SRS resource.
  • the number of the target object is less than the total number of all objects corresponding to the SRS resource set .
  • each SRS resource in the SRS resource set is configured with a space information.
  • the network device 300 in this embodiment of the present invention further includes an association module.
  • the above-mentioned configuration module 301 is also used to configure the candidate spatial information pool when the target configuration information is used to indicate the target object corresponding to the activated SRS resource set;
  • the above-mentioned association module is used for each SRS in the SRS resource set A piece of spatial information in the resource-associated candidate spatial information pool.
  • the above-mentioned configuration module 301 may also be used to activate the target object corresponding to the SRS resource set through the media access control control unit MAC CE.
  • the configuration module 301 described above may also be used to: in the case where the target object is a reference signal related parameter associated with spatial information, activate the first MACCE signaling A reference signal related parameter associated with the spatial information corresponding to the SRS resource set, where the reference signal related parameter includes at least one of a reference signal type and a reference signal index.
  • the above-mentioned configuration module 301 may also be used to activate the SRS resource corresponding to the SRS resource set through the second MACCE signaling when the target object is the SRS resource .
  • the above configuration module 301 may also be used to: in the case where the target object is an SRS resource, use the third MAC CE signaling to determine the first in the SRS resource set. After the three numbers of SRS resources are updated, the SRS resources in the SRS resource set are activated through the fourth MAC CE signaling.
  • the foregoing third number of SRS resources includes one of the following: a third number of SRS resources that are arranged first in the first preset order in the SRS resource set; SRS resources The third number of SRS resources activated in the set.
  • the configuration module 301 may also be used to activate the SRS resource through the fifth MAC CE signaling when the target object is spatial information associated with the SRS resource The spatial information associated with the SRS resource corresponding to the set.
  • the configuration module 301 may also be used to: when the target object is the spatial information associated with the SRS resource, when the SRS is transmitted through the sixth MAC CE signaling After the fourth quantity of spatial information associated with the SRS resource corresponding to the resource set is updated, the spatial information associated with the SRS resource corresponding to the SRS resource set is activated through the seventh MAC CE signaling.
  • the above-mentioned fourth quantity of spatial information associated with SRS resources includes one of the following: the fourth quantity of spatial information that is arranged first in the SRS resource set in a second preset order Spatial information associated with the SRS resource; the fourth number of activated spatial information associated with the SRS resource in the SRS resource set.
  • the network device 300 of the embodiment of the present invention may further include: a trigger module, configured to update the trigger state of the SRS resource set through the eighth MAC CE signaling.
  • the aforementioned trigger module may also be used to trigger the antenna panel information associated with the SRS resource set or the terminal device antenna port information through the ninth MAC CE signaling.
  • the configuration module 301 may also be used to instruct to select at least one object from the activated target objects through the first downlink control information DCI signaling.
  • the configuration module 301 may also be used to: the total number of target objects contained or activated in the SRS resource set is greater than the first preset number, or the second DCI When the maximum number of target objects indicated by the target domain in the signaling is less than or equal to the first preset number, the second DCI signaling is used to instruct to select at least one object from the second preset number of objects, and the second preset The number of objects is the objects that are arranged first in the third preset order among the activated target objects or all the target objects included in the SRS resource set.
  • the configuration module 301 may also be used to: the total number of target objects contained or activated in the SRS resource set is less than or equal to the first preset number, or the first 3.
  • the third DCI signaling indicates to select from the activated target objects or all the target objects included in the SRS resource set At least one object.
  • the configuration module 301 may also be used to update the spatial information associated with the SRS resource indicated by the third DCI signaling through the tenth MAC CE signaling.
  • the network device 300 provided in the embodiment of the present invention can implement the aforementioned wireless communication method executed by the network device 300, and the relevant descriptions about the wireless communication method are all applicable to the network device 300, and will not be repeated here.
  • the network device may configure an SRS resource set corresponding to target configuration information for the terminal device, so as to indicate the SRS resource set through the target configuration information.
  • the target configuration information may be used to At least one of the following content indicates: each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated, where the target object includes but is not limited to SRS At least one of resources, spatial information associated with SRS resources, and reference signal related parameters associated with the spatial information.
  • the target configuration information indicates that each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time
  • the multiplexing of SRS resources can be realized to save the time for the terminal equipment to perform uplink transmission, thereby Improve the efficiency of uplink transmission
  • the target configuration information indicates the target object corresponding to the activated SRS resource set
  • the purpose of saving resources corresponding to the SRS resource set can be achieved, thereby reducing resource overhead.
  • an embodiment of the present invention provides a terminal device 400, the terminal device 400 includes: a receiving module 401, configured to receive target configuration information, the target configuration corresponds to the set of SRS resources configured by the network device; wherein, the target configuration The information is used to indicate at least one of the following: the SRS resources in the SRS resource set are used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated, and the target object includes: SRS resources, spatial information associated with the SRS resources, And at least one of the reference signal related parameters associated with the spatial information.
  • the foregoing SRS resource set satisfies the following conditions At least one of: the number of SRS ports corresponding to the SRS resources in the SRS resource set is a first number, and the first number is the number of SRS ports corresponding to when the SRS resources in the SRS resource set are configured to be used only for codebook transmission; The total number of SRS resources in the SRS resource set is the second number, and the second number is the number of SRS resources corresponding to when the SRS resources in the SRS resource set are configured to be used only for beam management.
  • the number of the target object is less than the total number of all objects corresponding to the SRS resource set .
  • the foregoing SRS resource set includes the first An SRS resource and a second SRS resource.
  • the above-mentioned first SRS resource is used for at least one of beam management and codebook transmission; wherein, the maximum value of all the first indexes corresponding to the first SRS resource is smaller than that of the second SRS resource The smallest value among all first indexes.
  • the number of the target object is less than the total number of all objects corresponding to the SRS resource set .
  • each SRS resource in the SRS resource set is configured with a piece of spatial information .
  • each SRS resource in the SRS resource set and the candidate spatial information pool A spatial information association in.
  • the above-mentioned receiving module 401 may also be used to: receive the MAC CE information sent by the network device for activating the target object corresponding to the SRS resource set. make.
  • the receiving module 401 may also be used to: in the case that the target object is a reference signal related parameter associated with spatial information, receive the first signal sent by the network device.
  • the first MACCE signaling is used to activate reference signal related parameters associated with spatial information corresponding to the SRS resource set, and the reference signal related parameters include at least one of a reference signal type and a reference signal index.
  • the receiving module 401 may also be used to receive the second MACCE signaling sent by the network device when the target object is the SRS resource.
  • the signaling is used to activate the SRS resource corresponding to the SRS resource set.
  • the receiving module 401 may also be used to receive the fourth MAC CE signaling sent by the network device when the target object is the SRS resource.
  • the MAC CE signaling is used to activate the SRS resources in the SRS resource set after updating the third number of SRS resources in the SRS resource set through the third MAC CE signaling sent by the network device.
  • the above-mentioned third number of SRS resources includes one of the following: the third number of SRS resources that are arranged first in the first preset order in the SRS resource set; SRS resources The third number of SRS resources activated in the set.
  • the receiving module 401 may also be used to receive the fifth MAC CE sent by the network device when the target object is spatial information associated with the SRS resource Signaling, the fifth MAC CE signaling is used to activate the spatial information associated with the SRS resource corresponding to the SRS resource set.
  • the receiving module 401 may also be used to receive the seventh MAC CE sent by the network device when the target object is spatial information associated with the SRS resource Signaling, the seventh MAC CE signaling is used to activate the SRS resource set corresponding to the fourth quantity of spatial information associated with the SRS resource set after the sixth MAC CE signaling sent by the network device updates the SRS resource set Spatial information associated with SRS resources.
  • the above-mentioned fourth quantity of spatial information associated with SRS resources includes one of the following: the fourth quantity of spatial information that is arranged first in the second preset order in the SRS resource set Spatial information associated with the SRS resource; the fourth number of activated spatial information associated with the SRS resource in the SRS resource set.
  • the above-mentioned receiving module 401 may also be used to: receive the eighth MAC CE signaling sent by the network device, and the eighth MAC CE signaling is used for the SRS resource collection Trigger status update.
  • the receiving module 401 may also be used to receive the ninth MAC CE signaling sent by the network device, and the ninth MAC CE signaling is used to associate the SRS resource set The antenna panel information or terminal device antenna port information for triggering.
  • the receiving module 401 may also be used to: receive the first downlink control information DCI signaling sent by the network device, and the first DCI signaling is used to indicate the slave activation Select at least one object among the target objects.
  • the receiving module 401 may also be used to: the total number of target objects contained or activated in the SRS resource set is greater than the first preset number, or the second DCI When the maximum number of target objects indicated by the target domain in the signaling is less than or equal to the first preset number, the second DCI signaling sent by the network device is received, and the second DCI signaling is used to indicate the second preset number Select at least one object from the objects in, and the second preset number of objects are the objects that are arranged first in the third preset order among the activated target objects or all the target objects included in the SRS resource set.
  • the above-mentioned receiving module 401 may also be used to: the total number of target objects contained or activated in the SRS resource set is less than or equal to the first preset number, or the first 3.
  • the third DCI signaling sent by the network device is received, and the third DCI signaling is used to indicate from the activated target objects Or select at least one object from all target objects included in the SRS resource collection.
  • the above-mentioned receiving module 401 may also be used to receive the tenth MAC CE signaling sent by the network device, and the tenth MAC CE signaling is used to transmit the third DCI signal. Let the indicated spatial information associated with the SRS resource be updated.
  • the terminal device 400 provided by the embodiment of the present invention can implement the aforementioned wireless communication method executed by the terminal device 400, and the relevant explanations about the wireless communication method are applicable to the terminal device 400, and will not be repeated here.
  • the terminal device can receive target configuration information from the network device, the target configuration information corresponds to the SRS resource set configured by the network device, and the target configuration information can be used to learn that the network device performs related instructions on the SRS resource set Specifically, the target configuration information can be used to indicate at least one of the following: each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time; and the target object corresponding to the SRS resource set Activation, wherein the target object includes but is not limited to at least one of SRS resources, spatial information associated with the SRS resources, and reference signal related parameters associated with the spatial information.
  • the target configuration information indicates that each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time
  • the multiplexing of SRS resources can be achieved to save the time for uplink transmission, thereby improving the uplink Transmission efficiency
  • the target configuration information indicates the target object corresponding to the activated SRS resource set
  • the purpose of saving resources corresponding to the SRS resource set can be achieved, thereby reducing resource overhead.
  • FIG. 5 is a structural diagram of a network device applied in an embodiment of the present invention, which can realize the details of the foregoing wireless communication method and achieve the same effect.
  • the network device 500 includes: a processor 501, a transceiver 502, a memory 503, a user interface 504, and a bus interface 505, where: in the embodiment of the present invention, the network device 500 further includes: stored in a memory 503 A computer program that can run on the processor 501.
  • the following steps are implemented: configure the SRS resource set, the SRS resource set corresponds to target configuration information; send the target configuration information to the terminal device; where,
  • the target configuration information is used to indicate at least one of the following: the SRS resources in the SRS resource set are used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated, and the target object includes: SRS resource and space associated with the SRS resource At least one of information and reference signal related parameters associated with spatial information.
  • the network device may configure an SRS resource set corresponding to target configuration information for the terminal device, so as to indicate the SRS resource set through the target configuration information.
  • the target configuration information may be used to At least one of the following content indicates: each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated, where the target object includes but is not limited to SRS At least one of resources, spatial information associated with SRS resources, and reference signal related parameters associated with the spatial information.
  • the target configuration information indicates that each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time
  • the multiplexing of SRS resources can be realized to save the time for the terminal equipment to perform uplink transmission, thereby Improve the efficiency of uplink transmission
  • the target configuration information indicates the target object corresponding to the activated SRS resource set
  • the purpose of saving resources corresponding to the SRS resource set can be achieved, thereby reducing resource overhead.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 501 and various circuits of the memory represented by the memory 503 are linked together. The bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface 505 provides an interface.
  • the transceiver 502 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the user interface 504 may also be an interface capable of connecting externally and internally with the required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 501 is responsible for managing the bus architecture and general processing, and the memory 503 can store data used by the processor 501 when performing operations.
  • Fig. 6 is a block diagram of a terminal device according to another embodiment of the present invention.
  • the terminal device 600 shown in FIG. 6 includes: at least one processor 601, a memory 602, at least one network interface 604, and a user interface 603.
  • the various components in the terminal device 600 are coupled together through the bus system 605.
  • the bus system 605 is used to implement connection and communication between these components.
  • the bus system 605 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 605 in FIG. 6.
  • the user interface 603 may include a display, a keyboard, or a pointing device (for example, a mouse, a trackball (trackball), a touch panel, or a touch screen, etc.).
  • a pointing device for example, a mouse, a trackball (trackball), a touch panel, or a touch screen, etc.
  • the memory 602 in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • Synchronous DRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • Synchlink DRAM Synchronous Link Dynamic Random Access Memory
  • SLDRAM Direct Rambus RAM
  • the memory 602 of the system and method described in the embodiment of the present invention is intended to include, but is not limited to, these and any other suitable types of memory.
  • the memory 602 stores the following elements, executable modules or data structures, or their subsets, or their extended sets: operating system 6021 and application programs 6022.
  • the operating system 6021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks.
  • the application program 6022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., which are used to implement various application services.
  • the program for implementing the method of the embodiment of the present invention may be included in the application program 6022.
  • the terminal device 600 further includes: a computer program stored in the memory 602 and running on the processor 601.
  • the computer program is executed by the processor 601, the following steps are implemented: receiving target configuration information, target configuration and The SRS resource set configured by the network device corresponds to; wherein the target configuration information is used to indicate at least one of the following: the SRS resource in the SRS resource set is used for beam management and codebook transmission at the same time; the target object corresponding to the SRS resource set is activated, the target object It includes: at least one of SRS resources, spatial information associated with the SRS resources, and reference signal related parameters associated with the spatial information.
  • the terminal device can receive target configuration information from the network device, the target configuration information corresponds to the SRS resource set configured by the network device, and the target configuration information can be used to learn that the network device performs related instructions on the SRS resource set Specifically, the target configuration information can be used to indicate at least one of the following: each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time; and the target object corresponding to the SRS resource set Activation, wherein the target object includes but is not limited to at least one of SRS resources, spatial information associated with the SRS resources, and reference signal related parameters associated with the spatial information.
  • the target configuration information indicates that each SRS resource in the SRS resource set can be used for beam management and codebook transmission at the same time
  • the multiplexing of SRS resources can be achieved to save the time for uplink transmission, thereby improving the uplink Transmission efficiency
  • the target configuration information indicates the target object corresponding to the activated SRS resource set
  • the purpose of saving resources corresponding to the SRS resource set can be achieved, thereby reducing resource overhead.
  • the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 601 or implemented by the processor 601.
  • the processor 601 may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 601 or instructions in the form of software.
  • the aforementioned processor 601 may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present invention may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a computer-readable storage medium that is mature in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the computer-readable storage medium is located in the memory 602, and the processor 601 reads information in the memory 602, and completes the steps of the foregoing method in combination with its hardware.
  • a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 601, each step of the above-mentioned wireless communication method embodiment is implemented.
  • the embodiments described in the embodiments of the present invention may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application-specific integrated circuits, digital signal processors, digital signal processing devices (DSP Device, DSPD), programmable logic devices (Programmable Logic Device, PLD), field programmable gate arrays , General-purpose processors, controllers, microcontrollers, microprocessors, other electronic units for performing the functions described in the present invention, or a combination thereof.
  • the technology described in the embodiments of the present invention can be implemented by modules (for example, procedures, functions, etc.) that execute the functions described in the embodiments of the present invention.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the terminal device 600 can implement the various processes implemented by the terminal device in the foregoing embodiments, and in order to avoid repetition, details are not described herein again.
  • the embodiment of the present invention also provides a network device, including a processor, a memory, and a computer program stored in the memory and running on the processor.
  • the computer program is executed by the processor to implement the above-mentioned wireless communication method.
  • Each process of the embodiment can achieve the same technical effect, and in order to avoid repetition, it will not be repeated here.
  • the embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, each process of the above-mentioned wireless communication method embodiment applied to a network device is realized, and To achieve the same technical effect, in order to avoid repetition, I will not repeat them here.
  • the computer-readable storage medium such as read-only memory, random access memory, magnetic disk or optical disk, etc.
  • the embodiment of the present invention also provides a terminal device, including a processor, a memory, and a computer program stored in the memory and running on the processor.
  • the computer program is executed by the processor to implement the above-mentioned wireless communication method.
  • Each process of the embodiment can achieve the same technical effect, and in order to avoid repetition, it will not be repeated here.
  • the embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, each process of the above-mentioned wireless communication method embodiment applied to a terminal device is realized, and To achieve the same technical effect, in order to avoid repetition, I will not repeat them here.
  • the computer-readable storage medium such as read-only memory, random access memory, magnetic disk or optical disk, etc.
  • the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Sont divulgués ici un procédé de communication sans fil, un dispositif de réseau et un dispositif terminal. Le procédé de communication sans fil comprend les étapes consistant à : configurer un ensemble de ressources de signal de référence de sondage (SRS), l'ensemble de ressources SRS correspondant à des informations de configuration cible ; et transmettre les informations de configuration cible à un dispositif terminal, les informations de configuration cible étant utilisées pour indiquer au moins l'un des éléments suivants : l'utilisation de ressources SRS dans l'ensemble de ressources SRS pour la gestion de faisceau et la transmission de livre de codes simultanément, et l'activation d'un objet cible correspondant à l'ensemble de ressources SRS, l'objet cible comprenant au moins l'un parmi des ressources SRS, des informations spatiales associées à des ressources SRS, et des paramètres liés au signal de référence associés à des informations spatiales.
PCT/CN2021/085187 2020-04-02 2021-04-02 Procédé de communication sans fil, dispositif de réseau et dispositif terminal WO2021197457A1 (fr)

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