CN115707119A

CN115707119A - Communication method and device

Info

Publication number: CN115707119A
Application number: CN202110903435.7A
Authority: CN
Inventors: 刘晓晴; 张永平; 余政; 李铁
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2023-02-17
Also published as: WO2023011543A1

Abstract

The application relates to the technical field of communication, and discloses a communication method and device, which are used for solving the problems that the xTyR configuration switching time delay is large and the switching is not timely. The method comprises the following steps: acquiring first indication information, wherein the first indication information is used for indicating an activation/deactivation state of one or more Reference Signal (RS) resource sets, and the one or more RS resource sets comprise an RS resource set with a resource type set as semi-persistent and/or an RS resource set with a resource type set as aperiodic; and controlling the transmission of the RS according to the first indication information.

Description

Communication method and device

Technical Field

The embodiment of the application relates to the field of wireless communication, in particular to a communication method and device.

Background

In a New Radio (NR) of a fifth generation wireless access system, a Sounding Reference Signal (SRS) currently supports four functions including codebook-based uplink transmission, non-codebook-based uplink transmission, beam management, and antenna switching. Under different application scenarios, the network device may configure one or more SRS resource sets for the terminal device through a high-level parameter, and the applicability of each SRS resource set is configured through a high-level parameter use case (usage). Illustratively, the usage includes four cases, namely, codebook (codebook, CB), non-codebook (NCB), beam Management (BM) and Antenna Switching (AS), which respectively correspond to four different functions that can be implemented by the SRS. For a time division multiplexing (TDD) system, considering reciprocity of uplink and downlink channels, the network device may obtain downlink channel information according to uplink channel information detected by an SRS for an antenna switching function.

In general, the terminal device supports the number of antennas for simultaneously receiving signals to be greater than or equal to the number of antennas for simultaneously transmitting signals. For example, 2 or more antennas are provided in the terminal device, the terminal device supports 2 antennas to simultaneously receive signals, and only one antenna of the 2 antennas can transmit signals at one time. This approach may also be understood as the terminal device having 1T2R capabilities. If the terminal supports a part of antennas to transmit signals simultaneously and does not support all antennas to transmit signals simultaneously, in order to obtain the full channel characteristic, the terminal device needs to introduce an antenna switching (antenna switching) characteristic, and in the uplink capacity range, a plurality of antennas transmit the SRS in turn, so that the terminal device can complete the SRS transmission of all antennas within a period of time.

Currently, multiple-input multiple-output (MIMO) technology has clarified SRS switching for up to 8 antennas (for example, xTyR, x = {1,2,4}, y = {6,8}, xT denotes the number of transmit antennas is x, and R denotes the number of receive antennas is y). In order to better achieve energy saving and network configuration flexibility of the terminal device, the terminal device may report the capability of supporting one or more xTyR. The network device may select one xTyR to configure an SRS resource set for the terminal device through Radio Resource Control (RRC) signaling according to the capability of one or more xTyRs reported by the terminal device. However, when the terminal device supports multiple xTyR, and the terminal device needs to save energy or the network device needs to obtain full channel information, the network device can only configure different xTyR SRS resource sets for the terminal device by means of RRC reconfiguration, or the like. The xTyR configuration has larger switching time delay and the problem of untimely switching.

Disclosure of Invention

The embodiment of the application provides a communication method and device, which are used for solving the problems that the xTyR configuration switching time delay is long and the switching is not timely.

In a first aspect, an embodiment of the present application provides a communication method, where the method includes: acquiring first indication information, wherein the first indication information is used for indicating an activation/deactivation state of one or more Reference Signal (RS) resource sets, and the activation/deactivation state of the one or more RS resource sets is any one of the following: in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets other than the N RS resource sets are not activated; in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets except the N RS resources are deactivated; in the one or more RS resource sets, N RS resource sets are deactivated, and M RS resource sets except the N RS resources are not deactivated; wherein the one or more RS resource sets include an RS resource set with a resource type set as semi-persistent and/or an RS resource set with a resource type set as aperiodic, and the RS resource set is N, M which is a natural number; and controlling the transmission of the RS according to the first indication information.

By adopting the method, activation or deactivation of the semi-continuous RS resource set and/or the non-periodic RS resource set can be flexibly indicated, indication of flexible antenna switching is realized, and the problems of large switching time delay and untimely switching of xTyR configuration are solved.

In one possible design, the first indication information includes a first field; the bit state of the first field is associated with a second field or a third field; alternatively, the bit status of the first field is associated with a partial bit of the second field or a partial bit of the third field.

In one possible design, a bit state of the first field belongs to a first set of bit states, and the second field is used to indicate an activation/deactivation status of a set of RS resources with one resource type set to semi-persistent; the bit state of the first field belongs to a second bit state set, and the third field or a part of bits of the third field are used for indicating the activation/deactivation state of an RS resource set with one or more resource types set to be aperiodic; or, the bit state of the first field belongs to a second bit state set, and the third field or a part of bits of the third field are used for indicating the activation/deactivation states of a plurality of RS resource sets with resource type set to be aperiodic and resource type set to be semi-persistent.

In the design, the AP RS resource sets can be grouped by utilizing the characteristic that the port number corresponding to each resource in the same AP RS resource set is the same, and bitmap indication is only carried out on the RS resource sets in a certain RS resource set group. And the SP RS resource set and the AP RS resource set can be grouped, the configuration method of the SP-RS and the AP-RS is unified, signaling is saved, and meanwhile, when the MAC signaling is adopted to bear the first indication information, repeated configuration of two fields of the C/SUL can be avoided.

In one possible design, the first indication information includes a first field and a second field, a bit state of the first field being associated with the second field; the first field is used for indicating an ID of an RS resource set group, and the second field is used for indicating an activation/deactivation status of one or more RS resource sets in the RS resource set group.

It is to be understood that the bit status of the first field is associated with the second field, meaning that the information indicated by the second field is determined from the bit status of the first field.

In the above design, a certain characteristic, such as port number, may be utilized to group the AP RS resource set and/or the SP RS resource set, and configure uniformly, so as to save signaling, and meanwhile, when the MAC signaling is used to carry the first indication information, the repeated configuration of the two fields of C/SUL may also be avoided.

In one possible design, the RS resource set group includes one or more RS resource sets, and the RS resources included in the one or more RS resource sets are all composed of the same number of RS ports.

In one possible design, the first indication information includes a first field and a second field, a bit state of the first field being associated with the second field; the first field is used for indicating the port number, the second field is used for indicating the activation/deactivation state of one or more RS resource sets, and the RS resources contained in the one or more RS resource sets are all composed of the RS ports with the port number.

In one possible design, the first indication information includes a first field and a second field; the first field is used for indicating the activation/deactivation state of one or more RS resource sets with resource types set to be semi-continuous; the second field is for indicating an activation/deactivation state of one or more RS resource sets whose resource types are set to aperiodic.

In the above design, the Oct of the SP SRS Activation/Deactivation MAC CE and the Enhanced SP/AP SRS Spatial relationship Indication MAC CE may be further designed to carry the first Indication information, so as to implement flexible Indication for the RS resource set without increasing the overhead of the two MAC CEs. Such as an indication to implement 1-2 SPRS resource sets and/or 1-4 APRS resource set activation or deactivation states.

In one possible design, the RS resources included in each of the one or more reference signal RS resource sets consist of the same number of RS ports. That is, RS resources included in the same RS resource set are composed of the same number of RS ports. The RS resources contained in different RS resource sets consist of the same number of RS ports or consist of different numbers of RS ports.

In one possible design, the first indication information is determined by a media access control, MAC, subheader of any one of: the logical channel identifies the code point of LCID or MAC subheader with index of 50; a MAC subheader with code point of the enhanced logical channel identifier etlcid of 248 and index of 312; the code point of the LCID is greater than 255 and/or the index is greater than 319 of the MAC subheader.

In a second aspect, an embodiment of the present application provides a communication method, where the method includes: acquiring first indication information, wherein the first indication information is used for indicating an activation/deactivation state of one or more Reference Signal (RS) resources, and the activation/deactivation state of the one or more RS resources is any one of the following states: n RS resources are activated in the one or more RS resources, and M RS resources except the N RS resources are not activated; among the one or more RS resources, N RS resources are activated, and M RS resources except the N RS resources are deactivated; in the one or more RS resources, N RS resources are deactivated, and M RS resources except the N RS resources are not deactivated; n, M is a natural number; and controlling the transmission of the RS according to the first indication information.

In the design, the activation or deactivation of the semi-continuous RS resource set and/or the non-periodic RS resource set can be flexibly indicated by taking the RS resource as a unit, the indication of flexible antenna switching is realized, and the problems that the xTyR configuration switching time delay is long and the switching is not timely are solved.

In one possible design, the first indication information is used to indicate that N RS resources are activated and M RS resources other than the N RS resources are not activated in one or more RS resources, and the controlling transmission of the RS according to the first indication information includes: according to the first indication information, RS is sent on the N RS resources;

or, the first indication information is used to indicate that, in one or more RS resources, N RS resources are activated, and M RS resources other than the N RS resources are deactivated, and the controlling of RS transmission according to the first indication information includes: according to the first indication information, sending RSs on the N RS resources, and stopping sending RSs corresponding to the M RS resources; or, the first indication information is used to indicate that, in one or more RS resources, N RS resources are deactivated, and M RS resources other than the N RS resources are not deactivated, and the controlling transmission of the RS according to the first indication information includes: and stopping sending the RS corresponding to the N RS resources.

In one possible design, the one or more RS resources are included in one RS resource set, the resource type of the one RS resource set is set to be semi-persistent; or, the one or more RS resources are included in one or more RS resource sets, and a resource type of the one or more RS resource sets is set to be aperiodic; the one or more RS resources are included in a plurality of RS resource sets, the plurality of RS resource sets including an RS resource set with a resource type set to aperiodic and an RS resource set with a resource type set to semi-persistent.

In one possible design, any of the N RS resources consists of a first number of RS ports.

In one possible design, any RS resource consists of a first number of RS ports, which means that any RS resource corresponds to a first number of RS ports; any RS resource is a resource for transmitting one RS, one RS corresponding to a first number of RS ports.

In one possible design, the first indication information includes L bits, different bits of the L bits are associated with different RS resources of the one or more RS resources, and one bit of the L bits is used to indicate an activation/deactivation status of the RS resource associated with the bit, where L is a positive integer.

In one possible design, the association relationship between the L bits and the one or more RS resources is determined according to an RS resource ID of the RS resource and/or an RS resource set ID corresponding to the RS resource.

In one possible design, an RS resource set ID corresponding to an RS resource associated with an ith bit of the L bits is smaller than an RS resource set ID corresponding to an RS resource associated with an i +1 th bit; or, the RS resource ID of the RS resource associated with the ith bit is smaller than the RS resource ID of the RS resource associated with the (i + 1) th bit in the L bits; wherein i is more than or equal to 1 and less than L, and i is an integer.

In one possible design, an RS resource set ID corresponding to an RS resource associated with an ith bit of the L bits is greater than an RS resource set ID corresponding to an RS resource associated with an i +1 th bit; or, the RS resource ID of the RS resource associated with the ith bit in the L bits is greater than the RS resource ID of the RS resource associated with the (i + 1) th bit; wherein i is more than or equal to 1 and less than L, and i is an integer.

In one possible design, the RS resource set ID of the RS resource set with the resource type set as semi-persistent RS resource is smaller than the RS resource set ID of the RS resource set with the resource type set as aperiodic RS resource.

In one possible design, the first O bits of the L bits are used to indicate the activation/deactivation state of the RS resource with the resource type set to be semi-persistent, and the last P bits are used to indicate the activation/deactivation state of the RS resource with the resource type set to be aperiodic, where O and P are natural numbers.

In one possible design, the first indication information includes a first field and a second field, a bit state of the first field being associated with the second field; the first field is used for indicating the port number, and the second field is used for indicating the activation/deactivation state of the RS resources composed of the RS ports of the port number in the one or more RS resource sets.

In one possible design, the first field includes M bits, different ones of the M bits being associated with the one or more sets of RS resources; alternatively, the first field includes M bits, different ones of the M bits being associated with the one or more RS resources.

In one possible design, the first indication information is determined by a MAC subheader of any one of: the logical channel identifies the code point of LCID or MAC subheader with index of 50; a MAC subheader with code point of the enhanced logical channel identifier etlcid of 248 and index of 312; a MAC subheader with a code point greater than 255 and/or an index greater than 319 for an LCID.

In a third aspect, an embodiment of the present application provides a communication method, where the method includes: generating first indication information, wherein the first indication information is used for indicating activation/deactivation states of one or more Reference Signal (RS) resource sets, and the activation/deactivation states of the one or more RS resource sets are any one of the following: in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets other than the N RS resource sets are not activated; in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets except the N RS resources are deactivated; in the one or more RS resource sets, N RS resource sets are deactivated, and M RS resource sets except the N RS resources are not deactivated; wherein the one or more RS resource sets include an RS resource set with a resource type set as semi-persistent and/or an RS resource set with a resource type set as aperiodic, and the RS resource set is N, M which is a natural number; and sending the first indication information.

In one possible design, the first indication information includes a first field; the bit state of the first field is associated with a second field or a third field; alternatively, the bit states of the first field are associated with partial bits of the second field or partial bits of the third field.

In one possible design, the first indication information includes a first field and a second field; the first field is used for indicating the activation/deactivation state of one or more RS resource sets with resource types set to be semi-continuous; the second field is for indicating an activation/deactivation status of one or more RS resource sets whose resource types are set to aperiodic.

In one possible design, the RS resources included in each of the one or more reference signal RS resource sets consist of the same number of RS ports.

In one possible design, the first indication information is determined by a MAC subheader of any one of: the logical channel identifies the code point of LCID or MAC subheader with index of 50; a MAC subheader with code point of the enhanced logical channel identifier etlcid of 248 and index of 312; the code point of the LCID is greater than 255 and/or the index is greater than 319 of the MAC subheader.

In a fourth aspect, an embodiment of the present application provides a communication method, where the method includes: generating first indication information, wherein the first indication information is used for indicating an activation/deactivation state of one or more Reference Signal (RS) resources, and the activation/deactivation state of the one or more RS resources is any one of the following states: n RS resources are activated in the one or more RS resources, and M RS resources except the N RS resources are not activated; among the one or more RS resources, N RS resources are activated, and M RS resources except the N RS resources are deactivated; in the one or more RS resources, N RS resources are deactivated, and M RS resources except the N RS resources are not deactivated; n, M is a natural number; and sending the first indication information.

In one possible design, the one or more RS resources are included in one set of RS resources whose resource type is set to semi-persistent; or, the one or more RS resources are included in one or more RS resource sets, and a resource type of the one or more RS resource sets is set to be aperiodic; the one or more RS resources are included in a plurality of RS resource sets, the plurality of RS resource sets including an RS resource set with a resource type set to aperiodic and an RS resource set with a resource type set to semi-persistent.

In a possible design, the association relationship between the L bits and the one or more RS resources is determined according to an RS resource ID of the RS resource and/or an RS resource set ID corresponding to the RS resource.

In one possible design, an RS resource set ID corresponding to an RS resource associated with an ith bit in the L bits is smaller than an RS resource set ID corresponding to an RS resource associated with an i +1 th bit; or, the RS resource ID of the RS resource associated with the ith bit in the L bits is smaller than the RS resource ID of the RS resource associated with the (i + 1) th bit; wherein i is more than or equal to 1 and less than L, and i is an integer.

In one possible design, the first field includes M bits therein, different ones of the M bits being associated with the one or more sets of RS resources; alternatively, the first field includes M bits therein, different ones of the M bits being associated with the one or more RS resources.

In a fifth aspect, an embodiment of the present application provides a communication apparatus, where the apparatus has a function of implementing a method in any one of the above-mentioned first aspect or any one of the above-mentioned possible designs of the first aspect, or implementing a method in any one of the above-mentioned second aspect or any one of the above-mentioned possible designs of the second aspect, where the function may be implemented by hardware, or may be implemented by hardware executing corresponding software. The hardware or software includes one or more modules (or units) corresponding to the above functions, such as a transceiver unit and a processing unit.

In one possible design, the device may be a chip or an integrated circuit.

In one possible design, the apparatus includes a memory and a processor, the memory is used for storing a program executed by the processor, and when the program is executed by the processor, the apparatus may perform the method in the first aspect or any one of the possible designs of the first aspect, or perform the method in the second aspect or any one of the possible designs of the second aspect.

In one possible design, the apparatus may be a terminal device.

In a sixth aspect, an embodiment of the present application provides a communication apparatus, where the apparatus has a function of implementing a method in any one of the possible designs of the third aspect or the third aspect, or implementing a method in any one of the possible designs of the fourth aspect or the fourth aspect, where the function may be implemented by hardware, or may be implemented by hardware executing corresponding software. The hardware or software includes one or more modules (or units) corresponding to the above functions, such as a transceiver unit and a processing unit.

In one possible design, the device may be a chip or an integrated circuit.

In one possible design, the apparatus includes a memory and a processor, the memory is used for storing a program executed by the processor, and when the program is executed by the processor, the apparatus may perform the method in the third aspect or any one of the possible designs of the third aspect, or perform the method in any one of the possible designs of the fourth aspect or the fourth aspect.

In one possible design, the apparatus may be a network device.

In a seventh aspect, an embodiment of the present application provides a communication system, where the communication system includes a terminal device and a network device, where the terminal device may perform the method in the first aspect or any one of the possible designs of the first aspect, and the network device may perform the method in any one of the possible designs of the third aspect or the third aspect; or the terminal device may perform the method of the second aspect or any one of the possible designs of the second aspect, and the network device may perform the method of the fourth aspect or any one of the possible designs of the fourth aspect.

In an eighth aspect, the present application provides a computer-readable storage medium, where a computer program or instructions are stored, and when the computer program or instructions are executed by a communication device, the computer program or instructions may implement the method in the first aspect or any one of the possible designs of the first aspect, or the method in the second aspect or any one of the possible designs of the second aspect, or the method in the third aspect or any one of the possible designs of the third aspect, or the method in any one of the possible designs of the fourth aspect.

In a ninth aspect, the present embodiments also provide a computer program product, including a computer program or instructions, which, when executed by a communication device, may implement the method in the first aspect or any one of the possible designs of the first aspect, or implement the method in the second aspect or any one of the possible designs of the second aspect, or implement the method in the third aspect or any one of the possible designs of the third aspect, or implement the method in any one of the possible designs of the fourth aspect or the fourth aspect.

In a tenth aspect, an embodiment of the present application further provides a chip, which is coupled to a memory, and configured to read and execute a program or an instruction stored in the memory to implement the method described in the foregoing first aspect or any one of the possible designs of the first aspect, or to implement the method described in the foregoing second aspect or any one of the possible designs of the second aspect, or to implement the method described in the foregoing third aspect or any one of the possible designs of the third aspect, or to implement the method described in any one of the possible designs of the fourth aspect or the fourth aspect.

Drawings

Fig. 1A and fig. 1B are schematic diagrams of a communication system according to an embodiment of the present application;

fig. 2 is a schematic diagram of an aperiodic SRS transmission time according to an embodiment of the present application;

fig. 3 is a schematic diagram of a UE antenna configuration according to an embodiment of the present application;

fig. 4A and fig. 4B are schematic diagrams of an existing MAC CE provided in an embodiment of the present application;

fig. 5 is a schematic diagram of 2T4R and 1T2R antennas provided in an embodiment of the present application;

fig. 6 is a schematic diagram of a communication method according to an embodiment of the present application;

fig. 7 is a schematic diagram of an RRC-configured SRS resource set according to an embodiment of the present application;

fig. 8 is one of a format and an indication content of MAC CE signaling provided in an embodiment of the present application;

fig. 9A and 9B are schematic diagrams illustrating a format and an indication content of MAC CE signaling according to an embodiment of the present application;

fig. 10 is a third schematic diagram illustrating a format and an indication content of a MAC CE signaling according to an embodiment of the present application;

fig. 11 is a schematic diagram of a second RRC-configured SRS resource set according to the second embodiment of the present application;

fig. 12 is a schematic diagram illustrating an indication content of MAC CE signaling according to an embodiment of the present application;

fig. 13 is a second schematic diagram illustrating the indication content of MAC CE signaling according to the embodiment of the present application;

fig. 14 is a third schematic diagram illustrating the indication content of the MAC CE signaling according to the embodiment of the present application;

fig. 15 is a fourth schematic view illustrating indication contents of MAC CE signaling according to an embodiment of the present application;

fig. 16 is a fourth schematic diagram illustrating a format and an indication content of a MAC CE signaling according to an embodiment of the present application;

fig. 17 is a schematic diagram of another communication method provided in the embodiment of the present application;

fig. 18 is a fifth schematic diagram illustrating a format and an indication content of a MAC CE signaling according to an embodiment of the present application;

fig. 19 is a third schematic diagram illustrating an RRC-configured SRS resource set according to the embodiment of the present application;

fig. 20 is a sixth schematic diagram illustrating a format and an indication content of a MAC CE signaling according to an embodiment of the present application;

fig. 21 is a fourth schematic diagram of an RRC-configured SRS resource set according to an embodiment of the present application;

fig. 22 is a fifth schematic diagram of indication contents of MAC CE signaling provided in the embodiment of the present application;

fig. 23 is a sixth schematic view of the indication content of the MAC CE signaling provided in the embodiment of the present application;

fig. 24 is a seventh schematic diagram illustrating the indication content of the MAC CE signaling provided in the embodiment of the present application;

fig. 25 is an eighth schematic diagram illustrating the indication content of the MAC CE signaling according to the embodiment of the present application;

fig. 26 is a schematic diagram of a communication device according to an embodiment of the present application;

fig. 27 is a second schematic diagram of a communication device according to an embodiment of the present application.

Detailed Description

The technical scheme of the embodiment of the application can be applied to various communication systems, for example: a global system for mobile communication (GSM) system, a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) system, a General Packet Radio Service (GPRS), a long term evolution (long term evolution, LTE) system, an LTE Frequency Division Duplex (FDD) system, an LTE Time Division Duplex (TDD) system, a universal mobile telecommunications system (universal mobile telecommunications system, UMTS), a Worldwide Interoperability for Microwave Access (WiMAX) communication system, a fifth generation (th generation, G) mobile communication system, or a new radio system (UMTS), including a mobile station (NR 5G) or a non-mobile communication network (NR 5G) system, including a mobile station (5 a) or a mobile station (NR 5G) system. The technical scheme provided by the application can also be applied to future communication systems, such as a sixth generation mobile communication system. The communication system may also be a Public Land Mobile Network (PLMN) network, a device-to-device (D2D) network, a machine-to-machine (M2M) network, an IoT network, or other networks.

Fig. 1A illustrates an architecture of a communication system to which the communication method provided in the embodiment of the present application is applicable, where the communication system may include a network device 110 and one or more terminal devices 120. The network device and the terminal device may operate on a New Radio (NR) communication system, and the terminal device may communicate with the network device through the NR communication system. The network device and the terminal device may also operate in other communication systems, and the embodiments of the present application are not limited thereto. Wherein:

the network device 110 is a device deployed in a radio access network to provide a wireless communication function for a terminal device. Network devices may include various forms of macro base stations, micro base stations (also known as small stations), relay stations, access points, and the like. In systems using different radio access technologies, the names of network devices may be different, such as a Base Transceiver Station (BTS) in a GSM or CDMA network, a Node B (NB) in WCDMA, an eNB or evolved Node B (eNB) in LTE. The network device may also be a wireless controller in a Cloud Radio Access Network (CRAN) scenario. The network device may also be a base station device in a future 5G network or a network device in a future evolved PLMN network. The network device may also be a wearable device or a vehicle mounted device. The network device may also send a reception node (TRP). In the embodiment of the present application, the apparatus for implementing the function of the network device may be a network device; it may also be a device, such as a chip system, capable of supporting the network device to implement the function, and the device may be installed in the network device. In the technical solution provided in the embodiment of the present application, a device for implementing a function of a network device is a network device, and the network device is a base station, which is taken as an example, to describe the technical solution provided in the embodiment of the present application.

Terminal device 120, which may also be referred to as a terminal, may be a device with wireless transceiving capabilities that may be deployed on land, including a handheld device with wireless communication capabilities, an in-vehicle device, a wearable device, a computing device, or other processing device connected to a wireless modem; can also be deployed on the water surface (such as a ship and the like); and may also be deployed in the air (e.g., airplanes, balloons, satellites, etc.). The terminal may be a Mobile Station (MS), a subscriber unit (subscriber unit), a cellular phone (cellular phone), a smart phone (smart phone), a wireless data card, a Personal Digital Assistant (PDA) computer, a tablet computer, a wireless modem (modem), a handheld device (handset), a laptop computer (laptop computer), a Machine Type Communication (MTC) terminal, or the like. The terminal device may be a User Equipment (UE), wherein the UE includes a handheld device, an in-vehicle device, a wearable device, or a computing device having wireless communication functionality. Illustratively, the UE may be a mobile phone (mobile phone), a tablet computer, or a computer with wireless transceiving function. The terminal device may also be a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in unmanned driving, a wireless terminal in telemedicine, a wireless terminal in smart grid, a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and so on. In the embodiment of the present application, the apparatus for implementing the function of the terminal may be a terminal; it may also be a device, such as a system-on-chip, capable of supporting the terminal to implement the function, which may be installed in the terminal. In the embodiment of the present application, the chip system may be composed of a chip, and may also include a chip and other discrete devices. In the technical solution provided in the embodiment of the present application, a device for implementing a function of a terminal is a terminal, and the terminal is a UE as an example, the technical solution provided in the embodiment of the present application is described.

The technical scheme provided by the embodiment of the application can be applied to wireless communication among communication devices. The wireless communication between the communication devices may include: wireless communication between a network device and a terminal device, wireless communication between a network device and a network device, and wireless communication between a terminal device and a terminal device. In the embodiments of the present application, the term "wireless communication" may also be simply referred to as "communication", and the term "communication" may also be described as "data transmission", "information transmission", or "transmission". The air interface resources may be utilized for wireless communication between the communication devices, and the air interface resources may include at least one of time domain resources, frequency domain resources, code resources, and spatial resources.

The present application is directed to protocol frameworks such as 5G NR, LTE, and the like, which may be applied to various mobile communication scenarios, and fig. 1B is a scenario diagram of a communication system applied in the present application, such as a scenario of point-to-point transmission between a base station and a UE or between UEs, multi-hop/relay (relay) transmission between a base station and a UE, dual Connectivity (DC) or multi-connection between multiple base stations and UEs, and the like. It should be noted that 110 in fig. 1B refers to a network device (e.g., a base station), 120 refers to a terminal device (e.g., a UE), and fig. 1B is only exemplary and does not limit the network architecture applicable to the present invention, and the present invention does not limit the transmissions of uplink, downlink, access link, backhaul (backhaul) link, sidelink (sidelink), etc. Furthermore, from the perspective of service scenarios, the present solution is applicable to a variety of scenario solutions, including but not limited to layered data coding such as in extended reality (XR) services.

In addition, in the embodiment of the present application, the time domain symbol may be an Orthogonal Frequency Division Multiplexing (OFDM) symbol, or may be a Discrete Fourier Transform spread-spectrum-OFDM (DFT-s-OFDM) symbol. The symbols in the embodiments of the present application all refer to time domain symbols, if not otherwise specified.

Technical concepts and partial terms involved in the embodiments of the present application are explained below in order to facilitate understanding by those skilled in the art.

1. Sounding reference signal

From the perspective of time domain behavior, a resource set of NR SRS can be configured into three time domain behavior modes of Periodic sounding reference signal (Periodic SRS, P-SRS), semi-persistent sounding reference signal (SP-SRS), and Aperiodic sounding reference signal (AP-SRS) by a high-layer parameter resource type (resourceType).

The slot format of the NR includes a downlink symbol, an uplink symbol, and a flexible symbol, and the SRS can be transmitted only on the uplink symbol or the flexible symbol. The base station configures and sends the number of continuous Orthogonal Frequency Division Multiplexing (OFDM) symbols of each SRS resource and the initial symbol position occupied by the resource in the triggered time slot through a high-level parameter resource mapping (resourcemappling). For the P-SRS, each SRS resource is configured with a slot-level period and a slot-level offset, and the UE repeatedly transmits the SRS according to the period. For the SP-SRS, each SRS resource is also configured with a slot-level period and a slot-level offset, and an activation or deactivation command is sent through a medium access control-control Element (MAC CE), and when a semi-persistent SRS is activated, the UE repeatedly sends the SRS according to the period until receiving the deactivation command.

For AP-SRS, the base station defines a slot level offset for each SRS resource set through a higher layer parameter slot offset (slotOffset), and when the UE receives a Downlink Control Information (DCI) for downlink scheduling, or a group common DCI or an uplink scheduling DCI, at least one state exists in an SRS request (SRS request) field of the DCI for triggering one or more configured SRS resource sets. Illustratively, the SRS request field has 2 bits, and the specific definition is shown in table 1. For DCI format (format) 2_3, the higher layer parameter sounding reference signal transmission power control downlink control channel Group (srs-TPC-PDCCH-Group) may be set to "type a (typeA)" or "type B (typeB)". For DCI format 0_1,0_2,1_1,1_2,2_3 (high layer parameter SRS-TPC-PDCCH-Group set to "typeB") high layer parameter aperiodic sounding reference signal resource trigger (aperiodicSRS-resource trigger) or high layer parameter aperiodic sounding reference signal resource trigger list (aperiodicSRS-resource trigger list) may be configured to be 1 or 2 or 3, defining each candidate value to correspond to one trigger state, then each set of AP-SRS resources is configured to be one of the above three trigger states.

TABLE 1SRS request

In brief, the transmission position of the AP-SRS is the sum of the slot (slot n in fig. 2) and the slot offset (k in fig. 2) in which the DCI for triggering the SRS is located, i.e., as shown in fig. 2. It should be noted here that the triggering of the AP-SRS resource set is in resource set units, and therefore, the high-level parameters slotOffset, aperiodicSRS-resource trigger and aperiodicSRS-resource trigger list are configured in resource set units. The sending position of each SRS resource is configured by the base station through a higher layer parameter, specifically, the number of consecutive OFDM symbols configured by the higher layer parameter, and the starting symbol position occupied by the resource in the triggered time slot are determined.

2. Antenna switching technical principle

For a TDD system, the downlink channel quality can be obtained from SRS using reciprocity. Note that this feature requires probing all UE antennas to obtain the full channel feature. Conventionally, a UE may be configured to support a higher data rate in the downlink than in the uplink. For example, a UE may be configured with one transmit chain and two receive chains to support different data rates. In addition, the uplink and downlink antenna capabilities of the UE are different, and the number of uplink antennas is usually less than or equal to the number of downlink antennas. Here, the uplink and downlink antenna capability refers to a capability of simultaneously performing transmission (uplink) or reception (downlink), and as shown in fig. 3, the number of antennas of the UE is 2, where the number of antennas in the uplink is 1 (antenna port 1) and the number of antennas in the downlink is 2 (antenna port 0 and antenna port 1).

Specifically, for example, assuming that the number of transmit antennas at the base station side is 4, the number of transmit antennas at the ue side is 2, and the number of receive antennas at the ue side is 4, the uplink channel that can be measured according to the uplink sounding signal can be represented as:

wherein, a _xy May represent uplink channels corresponding to the UE-side antenna y and the base station-side antenna x. According to the channel reciprocity, the corresponding downlink channel that can be obtained can be expressed as:

wherein, b _xy May represent downlink channels corresponding to the base station side antenna x and the UE side antenna y. The actual required measurement of the complete downlink channel is:

therefore, only partial channel information is obtained using 2 transmit antennas of the UE. In order to obtain the full channel characteristics, it is necessary to perform SRS transmission through some uplink antennas at a certain time and perform SRS transmission through other uplink antennas at the next time within the uplink capability range of the UE, until the UE completes all antenna sounding within a certain period of time, thereby introducing an antenna switching (antenna switching) characteristic. For example, when the UE is configured with a use case type of 'antennaSwitching', the UE may transmit an SRS from a first antenna during a first SRS transmission opportunity and transmit an SRS from a second antenna during a second SRS transmission opportunity. The SRS is used to measure the downlink channel quality according to channel reciprocity.

3. SRS configuring method.

The transmission of SRS by the UE depends on signaling information, such as RRC connection setup, RRC connection reconfiguration, etc., i.e. the base station informs the UE of SRS configuration through these RRC information. In RRC signaling, SRS is configured in an Information Element (IE) SRS-configuration (Config). One list of SRS Resources (SRS-Resources) and one list of SRS resource sets (SRS-Resources sets) are defined in the IE SRS-Config. A set of SRS-Resources is defined in each SRS resource set. The network triggers the transmission of a set of (aperiodic) SRS-Resources through DCI with the configured parameter aperiodic SRS-resource trigger.

According to the provisions in the Rel-15/16 protocol, a UE can be configured with one or more SRS resource sets by means of a higher layer parameter SRS-ResourceSet, each SRS resource set being configured with an Identity (ID) by means of a higher layer parameter SRS-ResourceSetId. For each configured set of resources, the UE may be configured with K ≧ 1SRS resource, where the maximum value of K is indicated by the UE capability. When the UE is configured with an SRS resource set with a higher layer parameter use of 'antennaSwitching', the UE can only be configured with one of the following configurations:

for 1T2R, at most two SRS resource sets with different values of a higher layer parameter resource type (resource type) (time domain behaviors for configuring resource sets, the time domain behaviors including three types of periodicity, semi-persistence, and non-periodicity) are configured, where each resource set configures two SRS resources, and the two SRS resources correspond to different symbols. Each SRS resource in a set of resources consists of a separate SRS port, and the SRS port of the second resource in the set of resources is associated with a different UE antenna port than the SRS port of the first resource.

For 2T4R, at most two SRS resource sets with different values of the higher layer parameter resourceType are configured, where each SRS resource set is configured with two SRS resources corresponding to different symbols. Each SRS resource in one set of resources consists of two SRS ports, and the pair of UE antenna ports associated with the pair of SRS ports of the second resource of the set of resources is different from the pair of UE antenna ports associated with the pair of SRS ports of the first resource.

For 1T4R, a set of SRS resources with a value of 0 or 1 higher layer parameter resourceType set to "periodic" or "semi-persistent" (periodic or semi-persistent with respect to time domain behavior) may be configured, where each set of SRS resources is configured with 4 SRS resources, and each resource corresponds to a different symbol. Each SRS resource in a resource set consists of a separate SRS port, and UE antenna ports associated with the SRS ports of each resource are different.

For 1T4R, a set of SRS resources with a value of 0 or 2 higher layer parameter resourceType set to "aperiodic" (aperiodic in time domain behavior) may be configured. The 2 resource sets configure 4 SRS resources in total, and the 4 resources correspond to different symbols of 2 different slots. The UE antenna ports associated with the SRS ports of each of the 2 given resource sets are different. Two SRS resources can be configured in each of the two resource sets, or one SRS resource can be configured in one resource set and three SRS resources can be configured in the other resource set. The trigger parameter aperiodic srs-resource trigger or aperiodic srs-resource trigger list of the two resource sets has the same value and the slot offset parameter slotOffset is different.

For 1t =1r, or 2t =2r, or 4t =4r, a maximum of two SRS resource sets are configured, each resource set contains one resource, and the number of SRS ports of each resource corresponds to 1,2, or 4, respectively.

For the 'antennaSwitching' use case type, the UE expects to configure SRS ports with the same number for all SRS resources in one SRS resource set. For 1T2R,1T4R or 2T4R, the UE does not want to be configured or trigger more than one SRS resource set with the higher layer parameter use set to 'antennaSwitching' in the same slot. For 1t =1r,2t =2r, or 4t =4r, the ue does not want to be configured or trigger SRS resource sets with more than one higher layer parameter use set to 'antenna switching' within the same symbol.

4. MAC CE signaling

There are two types of existing protocols in which the following MAC CEs can be used to indicate activation or deactivation of a semi-persistent SRS resource set: SP SRS Activation/Deactivation (Activation/Deactivation) MAC CE and Enhanced SP/AP SRS Spatial relationship Indication (Enhanced SP/AP SRS Spatial relationship Indication) MAC CE. The specific design method is as follows:

SP SRS Activation/Deactivation.

The SP SRS Activation/Deactivation MAC CE is used to indicate Activation or Deactivation of a semi-persistent SRS resource set, and is identified by a Logical Channel Identifier (LCID) of 50 in a MAC subheader, as shown in table 2, an LCID value (part) of a Downlink Shared Channel (DL-SCH) in an existing protocol.

TABLE 2

The signaling format of the SP SRS Activation/Deactivation MAC CE is shown in fig. 4A, where Oct represents octet (octet), and the specific fields contained in the signaling are explained as follows:

A/D field: for indicating whether the indicated set of SP SRS resources is activated or deactivated. When the field is set to 1, it is used to indicate activation; otherwise, deactivation is indicated. The field length is 1 bit.

SRS Resource Set's Cell ID: for indicating the serving cell ID where the set of SP SRS resources to be activated/deactivated is located. When the C field is set to 0, this field is also used to indicate the serving cell ID, which contains all the resources indicated by the Resource IDi field. The field is 5 bits in length.

SRS Resource Set's BWP ID: for indicating the upstream BWP where the SP SRS resource set to be activated/deactivated is located. When the C field is set to 0, this field is also used to indicate the BWP ID, which contains all resources indicated by the Resource IDi field. The field length is 2 bits.

C: indicating whether a Resource Serving Cell ID field and a Resource BWP ID field are present. When the C field is set to 1, both the Resource Serving Cell ID field and the Resource BWP ID field exist; otherwise, neither the Resource Serving Cell ID field nor the Resource BWP ID field is present. The field length is 1 bit.

SUL: indicating whether the MAC CE is applied to Normal Uplink (NUL) carrier configuration or Supplemental Uplink (SUL) carrier configuration. The field is set to 1, indicating that the MAC CE applies to the SUL carrier configuration; this field is set to 0, indicating that the MAC CE applies to the NUL carrier configuration. The field length is 1 bit.

SP SRS Resource Set ID: for indicating the activated or deactivated SP SRS resource set ID, configured by a higher layer parameter SRS-ResourceSetId. The SRS-ResourceSetId value range is 1-15, and the length of the field is 4 bits.

F _i : and is configured to indicate a type of reference signal Resource used to indicate a spatial relationship of SRS resources, where the SRS resources are included in the Set of SP SRS resources indicated by the SP SRS Resource Set ID field. F ₀ Associated is a first resource, F, in the SRS resource set ₁ Associated is the second resource in the SRS resource set, and so on. This field is set to 1, indicating that a Non-Zero Power Channel State Information Reference Signal (NZP CSI-RS) resource index is used as a Reference Signal; this field is set to 0, indicating a Synchronization Signal Block (SSB) index or an SRS resource index as a reference Signal. The field length is 1 bit. This field is present only when the MAC CE is used to indicate activation.

Resource ID _i : an ID indicating a reference signal resource of SRS resource i is included. When SRS is activated, indicate F _i ID of specific RS when = 0. Resource ID ₀ Associated is a first Resource, resource ID, in the SRS Resource set ₁ Associated is a second resource in the SRS resource set, and so on. The field length is 7 bits. This field exists only when the MAC CE is used to indicate activation. The first bit of this field is the identification bit, when F _i When the bit is set to 0, the first bit of the field is set to 1, which indicates that the rest bits of the field contain the ID SSB-Index of the SSB; when F is present _i When set to 0, the first bit of the field is set to 0, which indicates that the remaining bits of the field contain the SRS-resource ID.

Resource Serving Cell ID _i : and the serving cell ID used for indicating the reference signal resource of the SRS resource i is located. The field length is 5 bits.

Resource BWP ID _i : and the BWP ID is used for indicating the reference signal resource of the SRS resource i. The field length is 2 bits.

R: reserved bit, set to 0.

(II) Enhanced SP/AP SRS Spatial relationship Indication

The Enhanced SP/AP SRS Spatial relationship Indication MAC CE is used to indicate a Spatial relationship of a semi-persistent SRS resource set or a non-periodic SRS resource set, and may also be used to indicate activation or deactivation of the semi-persistent SRS resource set, and is identified by an Enhanced LCID (eLCID) in a MAC subheader, as shown in table 3, an eLCID value (part) of a lower DL-SCH in an existing protocol.

TABLE 3

The signaling format of the Enhanced SP/AP SRS Spatial relationship Indication MAC CE is shown in fig. 4B, where the specific field interpretation contained therein is similar to the specific field interpretation contained in the SP SRS Activation/Deactivation MAC CE, and similar parts are not repeated again, and there are the following three differences:

A/D field: for indicating whether the indicated set of SP SRS resources is activated or deactivated. When the field is set to 1, it is used to indicate activation; otherwise, deactivation is indicated. The field length is 1 bit. When the indicated SRS resource set ID is a non-periodic SRS resource set, the MAC entity ignores this field.

SP SRS Resource Set ID: for indicating the SP/AP SRS resource set ID, configured by a higher layer parameter SRS-ResourceSetId. The SRS-ResourceSetId has a value range of 1-15, and the length of the field is 4 bits.

Resource ID _i : an ID indicating a reference signal resource of SRS resource i is included. When SRS is activated, indicate F _i ID of specific RS when = 0. Resource ID ₀ Associated is a first Resource, resource ID, in the SRS Resource set ₁ Associated is a second resource in the SRS resource set, and so on. The field length is 8 bits. This field is present only when the MAC CE is used to indicate SP SRS resource set activation or AP SRS resource set. The first bit of this field is the identification bit, when F _i When set to 0, of this fieldThe first bit is always set to 0. When F is present _i When the bit is set to 0, the second bit of the field is set to 1, which indicates that the rest bits of the field contain the ID SSB-Index of the SSB; when F is present _i When set to 0, the second bit of the field is set to 0, which indicates that the remaining bits of the field contain the SRS-resource ID.

5. xTyR configuration switching

According to the existing protocol, the UE can report the UE capability supporting one or more 'xTyR's to achieve better UE energy saving and network configuration flexibility. Therefore, the UE reports one of the following UE capabilities: 't1r2','t1r1-t1r2','t2r4','t1r4','t1r1-t1r2-t1r4','t1r4-t2r4','t1r1-t1r2-t2r2-t2r4','t1r1-t1r2-t2r2-t1r4-t2r4','t1r1','t2r2','t1r 2-t2r 2','t4r4','t1r1-t2r2-t4r4'.

Where, 'T1R2' denotes 1T2R, and supports 1 transmit antenna port and 2 receive antenna ports, that is, the UE has 2 antenna ports in total, and has at most 1 antenna port for transmitting at a time and at most 2 antenna ports for receiving at a time. 'T1R1-T1R2' denotes 1t =1r/1T2R, i.e. the UE supports 1 transmit antenna port 1 receive antenna port, or 1 transmit antenna port 2 receive antenna ports. 'T2R4' denotes 2T4R, i.e. the UE supports 2 transmit antenna ports and 4 receive antenna ports. 'T1R4' denotes 1T4R, i.e. the UE supports 1 transmit antenna port and 4 receive antenna ports. 'T1R1-T1R2-T1R4' denotes 1t =1r/1T2R/1T4R, i.e. the UE supports 1 transmit antenna port 1 receive antenna port, or 1 transmit antenna port 2 receive antenna ports, or 1 transmit antenna port 4 receive antenna ports. 'T1R4-T2R4' denotes 1T4R/2T4R, i.e. the UE supports 1 transmit antenna port 4 receive antenna ports, or 2 transmit antenna ports 4 receive antenna ports. 'T1R1-T1R2-T2R2-T2R4' means that 1t =1r/1T2R/2t =2r/2T4R, i.e. the UE supports 1 transmit antenna port 1 receive antenna port, or 1 transmit antenna port 2 receive antenna ports, or 2 transmit antenna ports 4 receive antenna ports. 'T1R1-T1R2-T2R2-T1R4-T2R4' means that 1t =1r/1T2R/2t =2r/1T4R/2T4R, i.e., the UE supports 1 transmit antenna port 1 receive antenna port, or 1 transmit antenna port 2 receive antenna ports, or 2 transmit antenna ports 2 receive antenna ports, or 1 transmit antenna port 4 receive antenna ports, or 2 transmit antenna ports 4 receive antenna ports. 't1r1' denotes 1t =1r, i.e. the UE supports only 1 transmit antenna port 1 receive antenna port. 't2r2' denotes 2t =2r, i.e. the UE supports only 2 transmit antenna ports and 2 receive antenna ports. 't1r1-t2r2' indicates that 1t =1r/2t =2r, i.e., the UE may support 1 transmit antenna port and 1 receive antenna port, or may support 2 transmit antenna ports and 2 receive antenna ports. 't4r4' denotes 4t =4r, i.e. the UE supports only 4 transmit antenna ports and 4 receive antenna ports. 't1r1-t2r2-t4r4' denotes 1t =1r/2t =2r/4t =4r, i.e. the UE may support 1 transmit antenna port, 1 receive antenna port, 2 transmit antenna ports, 2 receive antenna ports, or 4 transmit antenna ports, 4 receive antenna ports.

When the base station configures an SRS resource set with a high-level parameter usage of 'antennaSwitching' for the UE, the base station can perform unique configuration for the UE according to the UE capability supported SRS-TxPortswitch value reported by the UE. For example, when the supported SRS-txport switch has a value of 'T1R1-T1R2-T2R2-T2R4', the base station may configure the UE according to one of 1t =1r, 1T2R, 2t =2r, and 2T4R described in the SRS configuration method. As shown in fig. 5, wherein gNB represents a base station, taking the configuration method of 1T2R as an example, at this time, the UE only needs to map each SRS to one Power Amplifier (PA), such as PA1, so that power can be saved, but at this time, only channels corresponding to two receiving antennas, i.e., H1, are measured, and partial channel information loss exists, thereby affecting downlink performance. Or, taking the configuration method of 2T4R as an example, at this time, the UE needs to map each SRS to two PAs (PA 1 and PA 2), at this time, the UE power consumption is large, but channels corresponding to all (4) receiving antennas, that is, H1 and H2, can be measured, so as to avoid channel information loss. It should be noted here that the base station can only configure one xTyR for the UE through RRC signaling at a time, and when the UE supports multiple xTyR, the base station can only configure different xTyR for the UE through RRC reconfiguration.

As can be seen from the above, when the UE reports more than one type of xTyR capability, different xTyR configurations are configured for the UE through RRC reconfiguration, and switching of different xTyR configurations is achieved, and when an xTyR configuration is switched each time, an SRS configuration (such as an SRS resource set) corresponding to the switched xTyR configuration needs to be re-issued to the UE through an RRC signaling, and the time delay is high, and there may be a problem that the xTyR configuration is not switched in time and cannot meet a user requirement.

The method and the device mainly solve the problem of how to realize flexible antenna configuration and reduce switching delay when the terminal equipment (such as UE) reports more than one xTyR capability to the SRS with the antenna switching function. The signaling design of the MAC CE is mainly used for realizing that a part of SRS resource sets (or part of SRS resources) are activated by the MAC CE in the SRS resource sets configured by the RRC under the condition of not introducing a new LCID, thereby realizing flexible antenna switching configuration.

The following describes embodiments of the present application in detail with reference to the drawings. In addition, it should be understood that in the embodiments of the present application, the word "exemplary" is used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, the term using examples is intended to present concepts in a concrete fashion.

The terms "comprising" and "having" in the description of the embodiments and claims of the present application and the drawings are not intended to be exclusive. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to only those steps or modules listed, but may include other steps or modules not listed. The terms "system" and "network" are often used interchangeably herein. The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship. It should be understood that in the embodiment of the present application, "B corresponding to a" means that B is associated with a, from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information. And, unless stated to the contrary, the embodiments of the present application refer to the ordinal numbers "first", "second", etc., for distinguishing a plurality of objects, and do not limit the sequence, timing, priority, or importance of the plurality of objects. Reference to "a plurality" in this application is two or more.

In the embodiments of the present application, information (information), signal (signal), message (message), and channel (channel) may be mixed, and it should be noted that the intended meanings are consistent when the differences are not emphasized. "of", "corresponding", and "corresponding" may sometimes be used in combination, it being noted that the intended meaning is consistent when no distinction is made.

The Reference Signal (RS) in the embodiments of the present application may include, but is not limited to, an uplink RS or a downlink RS, for example, a channel state information reference signal (CSI-RS), a synchronization signal broadcast channel block (SSB), a Sounding Reference Signal (SRS), a demodulation reference signal (DMRS), a Phase Tracking Reference Signal (PTRS), a Tracking Reference Signal (TRS), and the like. Alternatively, the reference signal referred to in the embodiments of the present application may also be a reference signal in a future mobile communication system, which is not limited in the present application. In the following description, reference signals are taken as SRS only as an example.

It should be uniformly noted that, in the embodiment of the present application, transmission of an SRS is equivalent to transmission of an SRS resource, transmission of a set of SRS resources is equivalent to transmission of an SRS included in the set of SRS resources, and transmission of the SRS is equivalent to transmission of the SRS resource.

It should be uniformly stated that, in the embodiment of the present application, the SRS is used for antenna switching, which means that a high-level parameter usage of an SRS resource set is set as antenna switching. Or setting a high-level parameter use of an SRS resource set where the SRS resource corresponding to the SRS is located as antenna switching.

It should be noted that, in the embodiment of the present application, the higher layer signaling or the higher layer signaling configuration information may be Radio Resource Control (RRC), or a medium access control-control element (MAC CE), and so on. The higher layer parameters are configured by higher layer signaling, e.g., the higher layer parameters are RRC indicated or the higher layer parameters are RRC configured.

It should be noted that, in the embodiments of the present application, sending and transmission are also equivalent.

It should be uniformly stated that, in the embodiment of the present application, the triggering RS resource set is equivalent to triggering the aperiodic RS.

It should be noted that, in the embodiment of the present application, the higher layer configuration signaling may be Radio Resource Control (RRC), MAC CE, or the like.

It should be uniformly noted that, in the embodiment of the present application, the resource type of the RS resource set may be set to be periodic, or semi-continuous, or aperiodic. For example, the resource type of the RS resource set is set to be semi-persistent, which is equivalent to that the RS resource set is a semi-persistent RS resource set, or the RS resource in the RS resource set is a semi-persistent RS resource, or the RS resource in the RS resource set is semi-persistent, or the high-level parameter resource corresponding to the RS resource set is semi-persistent. For another example, the resource type of the RS resource set is set to be aperiodic, which is equivalent to that the RS resource set is an aperiodic RS resource set, or the RS resource in the RS resource set is an aperiodic RS resource, or the RS resource in the RS resource set is aperiodic, or the higher layer parameter resource corresponding to the RS resource set is aperiodic. For another example, the resource type of the RS resource set is set to be periodic, which is equivalent to the RS resource set being a periodic RS resource set, or the RS resource in the RS resource set is a periodic RS resource, or the RS resource in the RS resource set is periodic, or the higher layer parameter resource corresponding to the RS resource set is periodic.

It should be uniformly stated that, in the embodiment of the present application, the activation/deactivation state of an SRS resource set refers to that the SRS resource set is activated or that the SRS resource set is deactivated. The indication information is used for indicating the activation/deactivation state of the SRS resource set, namely, when the indication information belongs to a first state set, the indication information indicates that the SRS resource set is activated; and when the indication information belongs to the second state set, indicating to deactivate the SRS resource set.

It should be noted that, in the embodiments of the present application, the activation/deactivation status is a noun. The first indication information is used for indicating an activation/deactivation state of one or more reference signal RS resource sets, that is, a state value of the first indication information is a first value and indicates an activation state of the one or more reference signal RS resource sets, or the first indication information is used for activating the one or more reference signal RS resource sets; the state value of the first indication information is a second value indicating a deactivation state of one or more reference signal RS resource sets, or the first indication information is used to deactivate one or more reference signal RS resource sets. The first value and the second value correspond to different state values, for example, the first value is 1, and the second value is 0. Alternatively, the activation/deactivation state may be referred to as an activation state, or as a selection state, or as activation/deactivation.

It should be uniformly stated that, in the embodiment of the present application, the resource type is set to be equivalent to a semi-persistent RS resource set; the resource type is set as a semi-continuous RS resource set which is equivalent to the RS resource set with the resource type being semi-continuous; the setting of the resource type as the semi-persistent RS resource set means that each RS resource in the RS resource set is a semi-persistent RS resource, or the resource type of each RS resource in the RS resource set is semi-persistent.

It should be noted that, in the embodiment of the present application, the first field, the second field, or the third field may include one field, or may include two or more fields. That is, the first field, or the second field, or the third field may contain one or more subfields, or the first field, or the second field, or the third field may contain one or more fields.

It should be noted that, in the embodiment of the present application, a field is 1, which is equivalent to that the bit state of the field is 1, or the field is set to 1, or the value of the field is 1.

It should be noted that, in this embodiment, the bit state of the first field is associated with the second field, and means that information indicated by the second field is determined according to the state value of the first field, or means that the interpretation manner of the second field is determined according to the state value of the first field.

It should be uniformly stated that, as an alternative implementation manner, the activation/deactivation state of an SRS resource set refers to an activation/deactivation state of all SRS resources in the SRS resource set. For example, a set of SRS resources is activated, and all RS resources in the set of SRS resources are activated. As another example, the SRS resource set is deactivated, and all RS resources in the SRS resource set are deactivated.

Fig. 6 is a schematic diagram of a communication method according to an embodiment of the present application, where the method includes:

s601: the network equipment sends the first indication information to the terminal equipment.

The first indication information is used to indicate an activation/deactivation status of one or more SRS resource sets, where the one or more RS resource sets include SRS resource sets with a Semi-persistent (SP) resource type and/or SRS resource sets with a non-periodic (AP) resource type. The SRS resource set with the resource type set as SP may also be referred to as SP SPs resource set, and the SRS resource set with the resource type set as AP may also be referred to as AP SPs resource set.

As a possible implementation manner, in this embodiment of the application, the first indication information is a MAC CE, or the first indication information is information indicated by the MAC CE, or the first indication information is included in the MAC CE.

Wherein the activation/deactivation status of one or more SRS resource sets is any one of:

in the one or more SRS resource sets, N SRS resource sets are activated, and M SRS resource sets other than the N SRS resource sets are not activated;

in the one or more SRS resource sets, N SRS resource sets are activated, and M SRS resource sets except the N SRS resources are deactivated;

in the one or more SRS resource sets, N SRS resource sets are deactivated, M SRS resource sets other than the N SRS resources are not deactivated, and N, M is a natural number.

Wherein the one or more SRS resource sets include M + N SRS resource sets. The one or more SRS resource sets are configured by higher layer configuration signaling, for example, one or more higher layer parameters SRS-resources set are included in the higher layer signaling RRC, where each SRS-resource set corresponds to one SRS resource set.

S602: and the terminal equipment controls the transmission of the SRS according to the first indication information.

In this embodiment, the network device may configure one or more SRS resource sets for the terminal device through higher layer configuration signaling, such as RRC signaling, for example, configure one or more SP SRS resource sets, or one or more AP SRS resource sets, or one or more SP SRS resource sets and one or more AP SRS resource sets for the terminal device. The SRS resource set is used for antenna switching (for example, the higher layer parameter use is configured as antenna switching), or the SRS resource set is used for beam management (for example, the higher layer parameter use is configured as beam management), or the SRS resource set is used for codebook-based uplink data transmission (for example, the higher layer parameter use is configured as codebook), or the SRS resource set is used for non-codebook-based uplink data transmission (for example, the higher layer parameter use is configured as non codebook), or the SRS resource set is used for positioning. For convenience of explaining the scheme of the present application, the following describes a specific implementation of the present application by taking an SRS resource set for antenna switching as an example. However, it should be noted that the scheme of the present application is also applicable to RS resource sets of other functions.

As an example, when the terminal device supports more than one xTyR capability, the terminal device may report the more than one xTyR capabilities supported by the terminal device to the network device, and the network device issues one or more SRS resource sets to the terminal device through a high-level configuration signaling according to the xTyR capabilities reported by the terminal device, where the one or more SRS resource sets may be multiple SP SRS resource sets, multiple AP SRS resource sets, or one or more SP SRS resource sets and one or more AP SRS resource sets.

Taking the xTyR capability supported by the terminal device reporting to the network device as't 2r4-t2r8-t4r8', as shown in FIG. 7, the network device may configure 1 SP SRS resource set and 2 AP SRS resource sets to the terminal device through a high-level configuration signaling. Two SRS resources are configured in the SP SRS resource, the two SRS resources correspond to different symbols, each SRS resource consists of 4 independent SRS ports, and the SRS port pair of the second SRS resource of the SRS resource set is different from the terminal equipment antenna port pair associated with the SRS port pair of the first SRS resource. Each AP SRS resource set is configured with two SRS resources, the two SRS resources correspond to different symbols, each SRS resource in one SRS resource set consists of two SRS ports, and the SRS port pair of the second SRS resource of the SRS resource set is different from the terminal equipment antenna port pair associated with the SRS port pair of the first SRS resource.

In some embodiments, for an AP SRS resource set for antenna switching (e.g., an AP SRS resource set with a higher-layer parameter usage configured as antennaSwitching), the configured trigger states may be the same, i.e., at least one of the higher-layer parameters aperiodicSRS-resource trigger or aperiodicSRS-resource trigger list corresponding to the AP SRS resource set is the same.

For the first Indication information, the terminal device may determine the code point of the LCID from the network device or the MAC sub-header with index 50 (e.g., SP SRS Activation/Deactivation MAC CE) or the MAC CE corresponding to the MAC sub-header with code point 248 and index 312 (e.g., enhanced SP/AP SRS Spatial relationship Indication MAC CE), and of course, may also determine the code point of the LCID greater than 255 and/or the index greater than 319, that is, other types of MAC CEs. That is, the first indication information is contained in the MAC CE, or the MAC CE indicates the first indication information.

Taking the first Indication information determined according to the SP SRS Activation/Deactivation MAC CE or the Enhanced SP/AP SRS Spatial relationship Indication MAC CE as an example, as shown in fig. 4A and 4B, for the above two MAC CEs, octet (Oct) 2 includes two bits of reserved bits R, and the SRS Resource Set ID field length is 4 bits, but since the SRS Resource Set ID field indicates the ID of an SRS Resource Set, one MAC CE command indicates the Activation/Deactivation state of one SRS Resource Set. The embodiment of the application can be further designed aiming at the Oct of the SP SRS Activation/Deactivation MAC CE and the Enhanced SP/AP SRS Spatial relationship Indication MAC CE, so that the flexible Indication for the SRS resource set is realized on the premise of not increasing the signaling overhead of the two MAC CEs, and the Indication for flexible antenna switching is further realized. The "flexible antenna switching indication" herein refers to that, when the terminal device reports that multiple types of xTyR are supported, the network device may indicate which xTyR to use through higher layer signaling (such as MAC CE), DCI, or the like, that is, indicate which xTyR configuration to transmit an SRS, or perform which xTyR measurement, or indicate a value of x and/or a value of y, or indicate xTyR configuration. The following takes the MAC CE as an example, and combines different design implementations of the MAC CE to specifically describe.

The implementation method comprises the following steps: the first indication information comprises a first field and a second field, and the first field is used for indicating the activation/deactivation state of one or more RS resource sets with resource types set as SP; the second field is for indicating that a resource type is set to an activated/deactivated state of one or more RS resource sets of the AP.

It should be noted that, this embodiment only takes redesigning of the SP SRS Activation/Deactivation MAC CE as an example, and the design method is also applicable to redesign of other MAC CEs, or is also applicable to an individual MAC CE. In addition, only Oct1, oct2, and Oct3 are listed in fig. 8, and the formats and the indication contents of the other Oct are consistent with or not consistent with the existing protocol.

In the MAC CE Oct2 shown in FIG. 8, a first field (e.g., such asS in FIG. 8 ₀ 、S ₁ ) And a second field (e.g., A in FIG. 8) ₀ 、A ₁ 、A ₂ 、A ₃ ). The lengths of the first field and the second field are predefined or configured by higher layer configuration signaling. The length of the first field and the second field is predefined, e.g., the length of the first field is 2 bits, the first field indicates the activation/deactivation status of the SP SRS resource set, the length of the second field is 4 bits, the second field indicates the activation/deactivation status of the AP SRS resource set. Optionally, the first field indicates the activation/deactivation status of one or more SP SRS resource sets in a bitmap manner. For example, each bit of the first field indicates an activation/deactivation status of a corresponding indexed SRS resource set, or each field included in the first field indicates an activation/deactivation status of a corresponding indexed SRS resource set. Optionally, the high-level configuration signaling configures two SRS resource sets, and the first field indicates the activation/deactivation states of the two SP SRS resource sets in a bitmap manner. Optionally, if the high-level configuration signaling configures two SRS resource sets, a first bit and a second bit included in the first field are used to indicate an activation/deactivation state of an SP SRS resource set with an index of 0 and an index of 1, respectively; if the high-layer configuration signaling configures one SP SRS resource set, a first bit contained in a first field is used for indicating the activation/deactivation state of the SP SRS resource set, and a second bit is ignored by the MAC entity. Wherein the index is a unique identification of the set of SP SRS resources. For example, the index is the SP SRS resource set ID, or the index is SRS-ResourceSetId, or the index is the value of the SP SRS resource set ID mapping. The second field has a field length of 4 bits, and may be used to indicate an activation/deactivation status of an AP SRS resource set. Optionally, the higher layer configures signaling to configure four AP SRS resource sets, the second field indicates 4 AP SRS resource sets for indication in a bitmap manner, that is, 4 bits included in the second field are respectively used to indicate activation/deactivation states of the AP SRS resource sets with an index of 0, an index of 1, an index of 2, and an index of 3. Optionally, the higher layer configuration signaling configures less than four AP SRS resource sets, and the MAC entity ignores bits or fields except for bits corresponding to the configured AP SRS resource sets. First of allThe length of the field and the second field is configured by the higher layer configuration signaling, for example, the length of the first field is equal to the number of SP SRS resource sets of the higher layer configuration signaling, and the length of the second field is equal to the number of AP SRS resource sets of the higher layer configuration signaling. Optionally, the use case configuration of the SP SRS resource set and/or the AP SRS resource set is antenna switching.

It should be understood that the length of the first field and/or the second field described above may be applied to all implementations of the present embodiment as an alternative implementation.

As an optional implementation manner, the a/D field is set to 1, and a bit in the first field and the second field is set to 1, which may indicate that the corresponding SRS resource set is activated, and a bit in the first field and the second field is set to 0, which may indicate that the corresponding SRS resource set is not activated (i.e., the state remains unchanged). The a/D field is 0, a bit in the first field and the second field is set to 1, which may indicate that the corresponding SRS resource set is deactivated, and a bit in the first field and the second field is set to 0, which may indicate that the corresponding SRS resource set is not deactivated (i.e., the state remains unchanged).

As an optional implementation manner, the a/D field is set to 1, and a bit in the first field and the second field is set to 0, which may indicate that the corresponding SRS resource set is activated, and a bit in the first field and the second field is set to 1, which may indicate that the corresponding SRS resource set is not activated (i.e., the state remains unchanged). The a/D field is 0, a bit in the first field and the second field is set to 0, which may indicate that the corresponding SRS resource set is deactivated, and a bit in the first field and the second field is set to 1, which may indicate that the corresponding SRS resource set is not deactivated (i.e., the state remains unchanged).

As an optional implementation manner, the a/D field is ignored, for example, when the a/D field is ignored by the MAC entity, or the MAC CE does not include the a/D field, a bit in the first field and the second field is set to 1, which may indicate that the corresponding SRS resource set is activated, and a bit in the first field and the second field is set to 0, which may indicate that the corresponding SRS resource set is deactivated.

As an optional implementation manner, the a/D field is ignored, for example, when the a/D field is ignored by the MAC entity, or the MAC CE does not include the a/D field, a bit in the first field and the second field is set to 0, which may indicate that the corresponding SRS resource set is activated, and a bit in the first field and the second field is set to 1, which may indicate that the corresponding SRS resource set is deactivated.

In the design of the first field length, for SRS used for the antenna switching function, for the same xTyR, at most one set of SP SRS resources can be configured for the terminal device by one RRC signaling, and it may be supported in the future to configure two sets of SP SRS resources for the same xTyR or to configure one set of SP SRS resources for each of the two xTyR. Therefore, it is sufficient and reasonable to indicate the set of SP SRS resources with two bits. For the design of the length of the second field, for the same xTyR, only 4 AP SRS resource sets can be configured for the UE by one RRC signaling at most. Therefore, it is sufficient and reasonable to indicate the AP SRS resource set with 4 bits.

In addition, in the first implementation manner, when the network device configures the SRS resource set to the terminal device through the high-level configuration signaling, the index value of the SRS resource set is configured by the high-level signaling or determined according to the predefined rule. For example, the field 0 (or bit 0, or the first bit) is used to indicate an activated or deactivated state of an RS resource with a minimum SRS-resource id among the RS resources included in the first RS resource set; the field 1 (or bit 1, or the second bit) is used for indicating the activation or deactivation state of an RS resource of which SRS-resource id is the second smallest among RS resources included in the first RS resource set; the field i (or bit i, or i +1 th bit) is used for indicating the activation or deactivation state of an RS resource which is small in SRS-resource id i-1 in RS resources contained in the first RS resource set; wherein i is greater than or equal to 0 and less than or equal to L, and i is a natural number. For another example, the RRC signaling configures 4 AP SRS resource sets for the terminal device to switch antennas, and according to the sequence of the high layer parameters SRS-ResourceSetId corresponding to the AP SRS resource sets from small to large, the index values of the 4 AP SRS resource sets are sequentially 0, 1,2, and 3. In another example, the RRC signaling configures 4 AP SRS resource sets for the terminal device for antenna switching, andand directly configuring respective index values for the 4 AP SRS resource sets. The index values of the 4 AP SRS resource sets may correspond to the bits in the second field according to the index values, for example, the index values of the 4 AP SRS resource sets are sequentially 0, 1,2, and 3, and respectively correspond to a in the second field in fig. 8 ₀ 、A ₁ 、A ₂ 、A ₃ . For another example, the RRC signaling configures 4 AP SRS resource sets for the terminal device to switch antennas, and according to a descending order of the high layer parameter SRS-ResourceSetId corresponding to the AP SRS resource set, the index values of the 4 AP SRS resource sets are sequentially 3, 2,1, and 0.

As an example, the network device configures one SP SRS resource set and 2 AP SRS resource sets as shown in fig. 7 for the terminal device, and for the SP SRS resource set, the index value of the SP SRS resource set is 0, which corresponds to S in the first field in fig. 8 ₀ For two AP SRS resource sets of the AP time domain behavior, according to the sequence of the high-level parameter SRS-ResourceSetId corresponding to the AP SRS resource set from small to large, the index values of the 2 AP SRS resource sets are sequentially 0 and 1, and respectively correspond to a in the second field in fig. 8 ₀ 、A ₁ . For S in the first field in FIG. 8 ₁ And A in the second field ₂ 、A ₃ The MAC entity ignores it. Illustratively, when the A/D field is set to 1, S is in the first field ₀ Set to 1, A in the second field ₀ And A ₁ Are both set to 0, indicating that the SP resource set is activated, the two AP SRS resource sets are not activated, and the terminal device sends the SRS included in the SP resource set, which corresponds to the measurement or configuration of 4T 8R. Illustratively, when the A/D field is set to 1, S is in the first field ₀ Set to 0, A in the second field ₀ Set to 0,A ₁ Set to 1, indicating that the SP resource set is not activated, the resource set with the larger of SRS-ResourceSetId in the two AP SRS resource sets is activated, which corresponds to the measurement or configuration of 2T 4R. Illustratively, when the A/D field is set to 1, S is in the first field ₀ Set to 0, A in the second field ₀ Set to 1,A ₁ Set to 1, indicating that the SP resource set is not activated, two AP SRS resource sets are activated, which corresponds to 2T8R measurement or configuration.

In addition, it should be understood that, for an SP SRS resource set, the terminal device receives the first indication information to indicate that the SP SRS resource set is activated, after a certain time condition is met, the terminal device can send an SRS corresponding to the SP SRS resource set according to the period and offset of the SP SRS resource set, after receiving the first indication information, the terminal device indicates that the SP SRS resource set is deactivated, and after the certain time condition is met, the terminal device stops sending the SRS corresponding to the SRS resource set. For example, the certain time condition is a time slot

The first slot later, where the slot n refers to the slot for transmitting the physical downlink shared channel PDSCH carrying the activation or deactivation command, μ is the SCS configuration for transmitting the PUCCH carrying the HARQ-ACK,

refers to the number of slots contained in one subframe.

It should be noted that, in this embodiment of the present invention, stopping transmitting the SRS corresponding to the SRS resource set means that the SRS is not transmitted until receiving a command to activate the resource set.

For the AP SRS resource set, the terminal device receives the first indication information, indicates that the AP SRS resource set can be triggered only after being activated, and indicates that the AP SRS resource set cannot be triggered after receiving the first indication information, indicates that the AP SRS resource set is deactivated.

For an AP SRS resource set that can be triggered, the terminal device further needs to acquire DCI from the network device, determine a triggered SRS resource set according to an SRS request (request) field of the DCI, and transmit an SRS on an SRS resource included in the triggered SRS resource set. As an example, for an AP SRS resource set that can be triggered, the SRS included in the AP SRS resource set is sent when the bit states of the corresponding high-level parameters aperiodicSRS-resourcetriggers or aperiodicSRS-resourcetriggerlsts of the AP SRS resource set and the SRS request field in the DCI are consistent.

It should be understood that, in this embodiment of the application, the first field and the second field are not limited to 2 bits and 4 bits, the number of bits included in the first field and the second field is a natural number, for example, the first field includes 1 bit, the second field includes 5 bits, and the like, or the sum of the number of bits included in the first field and the number of bits included in the second field is 6,8, and the like, in some embodiments, the number of bits included in the first field is 0, and the number of bits included in the second field is not 0, and is only used to indicate the activation/deactivation state of the AP SRS resource set, or the number of bits included in the first field is not 0, and the number of bits included in the second field is 0, and is only used to indicate the activation/deactivation state of the SP SRS resource set. The sum of the lengths of the first field and the second field may be a fixed value, for example, 8 bits.

As a possible implementation manner, the AP SRS resource set activated or deactivated by the first indication information may be an AP SRS resource set satisfying one or more of the following conditions: the AP SRS resource set has the function of antenna switching, namely the high-level parameter use of the resource set is set as 'antennaSwitching'; in the same RRC signaling, more than one AP SRS resource set for antenna switching is configured; the high-level signaling indicates that the AP SRS resource set needs to be activated; the higher layer signaling indicates more than one set of AP SRS resources for antenna switching. As a possible implementation manner, when an AP SRS resource set satisfies one or more of the above conditions, and an activation command is not received, a triggered SRS resource set cannot be determined according to an SRS request (request) field of the DCI; and when the AP SRS resource set does not meet any one of the conditions, determining the triggered SRS resource set directly according to the SRS request (request) field of the DCI.

In some implementations, the MAC CE includes indication information signaling whether the MAC CE (first indication information in the MAC CE) is used for indicating the activation/deactivation status of the set of AS SRS resources. Or, the MAC CE includes signaling for indicating whether the AS SRS resource set needs the MAC CE to activate/deactivate.

As a possible implementation manner, the MAC CE includes a third field, where the third field is used to indicate whether the MAC CE is used to indicate activation or deactivation of the AP SRS. When the third field is set to 1, the MAC CE is used to indicate activation or deactivation of the AP SRS; when the third field is set to 0, the MAC CE is not used to indicate activation or deactivation of the AP SRS, and the MAC entity ignores the field. Optionally, the third field is a redefined a/D field.

Optionally, the third field is used to indicate whether the MAC CE is used to indicate activation or deactivation of SP SRS. When the third field is set to 1, the MAC CE is used to indicate activation or deactivation of the SP SRS; otherwise, the MAC CE is not used to indicate activation or deactivation of SP SRS, and the MAC entity ignores this field. Further, the third field is used to indicate the content indicated by the first field of the MAC CE. When the third field is set to 1, the first field contained in the current MAC CE is used to indicate that the SP SRS resource set is activated or deactivated; when the third field is set to 0, the first field included in the current MAC CE is used to indicate that the AP SRS resource sets with index 4 and index 5 are activated or deactivated. Or, when the third field is set to 0, the first field and the second field included in the current MAC CE jointly indicate that the AP SRS resource set is activated or deactivated, two bits of the first field correspond to the AP SRS resource set with index 0 and index 1, and four bits of the second field correspond to the AP SRS resource sets with index 2, index 3, index 4, and index 5.

And the implementation is as follows: the first indication information comprises a first field; the bit state of the first field is associated with the second field or the third field; alternatively, the bit status of the first field is associated with a partial bit of the second field or a partial bit of the third field. That is, the bit state of the first field is associated with the information indicated by the second field or the information indicated by the second field part bit, or the bit state of the first field is associated with the information indicated by the third state or the information indicated by the third field part bit. That is, the bit state of the first field is associated with the second field or a part of bits of the second field, which means that the information indicated by the second field or the part of bits of the second field is determined according to the bit state of the first field; the bit state of the first field is associated with the third field or a part of bits of the third field, and means that the information indicated by the third field or the part of bits of the third field is determined according to the bit state of the first field.

Wherein the first field belongs to a first bit state set, the first field is associated with a second field or a part of bits of the second field, and the second field is used for indicating the activation/deactivation state of an RS resource set with one resource type set as SP; that is, the first field belongs to a first bit state set, and a second field (or information indicated by the second field) is determined in a first manner, for example, the second field is used for indicating an activation/deactivation state of an RS resource set with one resource type set as SP.

The length of the first field may be 1 bit or 2 bits.

The first field belongs to a second set of bit states, the first field is associated with a third field or a portion of bits of the third field for indicating one or more resource types are set to an activated/deactivated state of a set of RS resources of the AP. That is, the first field belongs to a second bit state set, and a third field (or information indicated by the third field) is determined in a second manner, for example, the third field is used to indicate that one resource type is set to an activation/deactivation state of an RS resource set of the AP.

As a possible implementation manner, the third field indicates the activation/deactivation state of one or more AP SRS resource sets by means of bitmap. The length of the third section is configured by higher layer configuration signaling or predefined. For example, the length of the third field is equal to the number of AP SRS resource sets of the higher layer configuration signaling, for example, the higher layer configuration signaling configures 4 AP SRS resource sets, and 4 bits included in the third field are respectively used to indicate the activation/deactivation states of the AP SRS resource sets with index 0, index 1, index 2, and index 3. As another example, the length of the third field is a fixed value. For example, the third field has a length of 4 bits. The high-level configuration signaling configures 4 AP SRS resource sets, and 4 bits included in the third field are respectively used to indicate activation/deactivation states of the AP SRS resource sets with index 0, index 1, index 2, and index 3. Optionally, the higher layer configuration signaling configures less than four AP SRS resource sets, and the MAC entity ignores bits or fields except for bits corresponding to the configured AP SRS resource sets. Optionally, the use case configuration of the AP SRS resource set is antenna switching. Optionally, the first field length is 1 bit at this time. As a possible implementation manner, the third field indicates one or more SP SRS resource sets and AP SRS resource sets by using a bitmap. The length of the third segment is configured by higher layer configuration signaling or is predefined. For example, the length of the third field is equal to the number of SP SRS resource sets and AP SRS resource sets of the high-level configuration signaling, for example, 1 SP SRS resource set and 3 AP SRS resource sets are configured by the high-level configuration signaling, and 4 bits included in the third field are respectively used to indicate activation/deactivation states of SRS resource sets with an index of 0, an index of 1, an index of 2, and an index of 3. As another example, the length of the third field is a fixed value. For example, the third field has a length of 4 bits. Optionally, the higher layer configuration signaling configures less than four SRS resource sets, and the MAC entity ignores bits or fields except for bits corresponding to the configured AP SRS resource sets. Optionally, the use case configuration of the SP SRS resource set and/or the AP SRS resource set is antenna switching. Optionally, the first field length is 1 bit at this time.

As a possible implementation manner, when the first field belongs to the second bit state set, according to the method for grouping the AP SRS resource sets by the number of the transmitting antenna ports, the MAC CE signaling is used to indicate the activation/deactivation states of the SP SRS resource set and/or the AP SRS resource set, and on the premise of not introducing a new LCID, the structure and the indication content of the signaling are designed. Optionally, the first field is 2 bits long.

It should be noted here that, in order to ensure compatibility, for SRS used for antenna switching, the number of SRS ports corresponding to SRS resources included in each SRS resource set is the same, that is, the number of corresponding Tx antennas is the same.

The main difference between the implementation two and the implementation one is that the MAC CE may be determined to include the second field or the third field through the first field, and further, the design method of the MAC CE signaling is different. The specific design method can be as follows:

it should be noted that, in this embodiment, only the redesign of the SP SRS Activation/Deactivation MAC CE is taken as an example for explanation, and the design method is also applicable to redesign of other MAC CEs, or is also applicable to an individual MAC CE. In addition, only Oct1, oct2, and Oct3 are listed in fig. 9A and 9B, and the format and indication content of other Oct are not limited in the present application.

In the MAC CE Oct2, as shown in FIGS. 9A and 9B, a first field (as B in FIG. 9A) ₀ And B ₁ ) And a second field (e.g., SP SRS Resource Set ID in FIG. 9A), or a first field (e.g., B in FIG. 9B) ₀ And B ₁ ) And a third field (e.g., A in FIG. 9B) ₀ 、A ₁ 、A ₂ 、A ₃ ). Optionally, the first field may be used to indicate the SRS resource set group, and includes two bits. In some implementations, when the first field belongs to the first set of bit states (e.g., set to 00), the first field is associated with the second field or a portion of bits of the second field, i.e., the bit state of the first field is associated with the information indicated by the second field, and the MAC CE functions the same as the SP SRS Activation/Deactivation MAC CE in the original (R15/R16). When the first field belongs to the second bit state set (e.g., set to 01, or 10, or 11), the first field is associated with a third field or a portion of bits of the third field, which is used to indicate that one or more AP SRS resource sets in the first, or second, or third SRS resource set group are activated or deactivated.

That is, when the first field is Set to 00, the second field is an SP SRS Resource Set ID field, and the field length is 4 bits, which is used to indicate an activated or deactivated SP SRS Resource Set ID. When the first field is set to 01, 4 bits in the third field are sequentially used to indicate that an AP SRS resource set with index 0, index 1, index 2, and index 3 is activated or deactivated, where the AP SRS resource set is included in the first SRS resource set group. When the first field is set to 10 or 11, the third field is used to indicate a second or third SRS resource set group, respectively. Optionally, the resource included in the first SRS resource set group is composed of a first number of SRS ports, the resource included in the second SRS resource set group is composed of a second number of SRS ports, and the resource included in the third SRS resource set group is composed of a third number of SRS ports. For example, the first value is 1, the second value is 2, and the third value is 3.

When the a/D field is 1, a bit in the third field is set to 1, which may indicate that the corresponding SRS resource set is activated, and a bit in the third field is set to 0, which may indicate that the corresponding SRS resource set is not activated (i.e., the state remains unchanged). When the a/D field is 0, a bit in the third field is set to 1, which may indicate that the corresponding SRS resource set is deactivated, and a bit in the third field is set to 0, which may indicate that the corresponding SRS resource set is not deactivated (i.e., the state remains unchanged). When the a/D field is ignored, for example, when the a/D field is ignored by the MAC entity, a bit in the third field is set to 1, which may indicate that the corresponding SRS resource set is activated, and a bit in the third field is set to 0, which may indicate that the corresponding SRS resource set is deactivated. The index of the AP SRS resource set within one SRS resource set group is determined by a predefined rule or indicated by higher layer information. For example, the IDs of the AP SRS resource sets in an SRS resource set group (i.e., the higher layer parameter SRS-ResourceSetId) correspond to indexes 0 to 3 in order from small to large. Optionally, when the first field is set to 01, or 10, or 11, the a/D field serves as a reserved field or to indicate other functions. It should be noted that the SRS resource set group is implicitly configured by the network device through higher layer signaling (e.g., RRC signaling or MAC CE signaling), or explicitly configured by the network device through higher layer signaling (e.g., RRC signaling or MAC CE signaling). The SRS resource set group is configured implicitly by the network device, for example, the SRS resource set group is grouped according to the number of SRS ports corresponding to the SRS resources in the SRS resource set, or the SRS resource set group is grouped according to the number of SRS ports corresponding to the SRS resources in the SRS resource set and the resource type of the SRS resource set, or the SRS resource set group is grouped according to the resource type of the SRS resource set.

As an example: and for the AP SRS resource set, grouping according to the number of SRS ports corresponding to the AP SRS resources contained in the AP SRS resource set. For example, the SRS resource in the AP SRS resource set included in the first SRS resource set group consists of 1SRS port, and when the first field is set to 01, the third field is used to indicate the activation/deactivation status of all SRS resource sets included in the first SRS resource set group. For another example, the SRS resources in the AP SRS resource set included in the second SRS resource set group are composed of 2 SRS ports, and when the first field is set to 10, the third field is used to indicate the activation/deactivation status of all SRS resource sets included in the second SRS resource set group. For another example, the SRS resources in the AP SRS resource set included in the third SRS resource set group are composed of 4 SRS ports, and when the first field is set to 11, the third field is used to indicate the activation/deactivation status of all SRS resource sets included in the third SRS resource set group.

It should be understood that, in the above, the SRS resource set only includes the AP SRS resource set as an example, in some implementations, the SRS resource set may include both the AP SRS resource set and the SP SRS resource set, that is, when the first field belongs to the second bit state set and is associated with the third field or a part of bits of the third field, the third field or the part of bits of the third field may also be used to indicate the activation/deactivation states of a plurality of SRS resource sets including a resource type set to AP and a resource type set to SP.

The implementation of controlling SRS transmission is similar to the implementation according to the activation/deactivation states of the plurality of SRS resource sets indicated by the first indication information, and is not repeated.

The implementation is three: the first indication information comprises a first field and a second field, and the bit state of the first field is associated with the second field; the first field indicates an ID of the RS resource set group, and the second field indicates an activation/deactivation status of one or more RS resource sets in the RS resource set group.

The main difference between the third implementation and the second implementation is that grouping can be configured according to time domain behaviors/time domain types or network equipment high-level signaling, and further, the design methods of MAC CE signaling are different. The specific design method can be as follows:

it should be noted that, this embodiment only takes redesigning of the SP SRS Activation/Deactivation MAC CE as an example, and the design method is also applicable to redesign of other MAC CEs, or is also applicable to an individual MAC CE. In addition, only Oct1, oct2, and Oct3 are listed in fig. 10, and the format and indication content of other Oct are not limited in this application.

As shown in FIG. 10, in the MAC CE Oct2, a first field (e.g., group ID in FIG. 10) and a second field (e.g., A in FIG. 10) may be included ₀ 、A ₁ 、A ₂ 、A ₃ ). The first field may be used to indicate an ID of the SRS resource set group, and includes two bits. In some implementations, when the first field is set to 00, the first field is associated with a second field or a portion of bits of the second field that indicate that one or more SRS resource sets of the first, or second, or third set of SRS resource sets are activated or deactivated. One of the SRS resource set groups may include an AP SRS resource set and/or an SP SRS resource set.

Specifically, the SRS resource set group may be determined according to a time domain type of the SRS resource set. If the SP SRS resource set is in resource set group0, i.e. the first field is set to 00, the MAC CE is indicated for activation or deactivation of the SP SRS resource set. The SRS resource set group may also be configured with a resource set group ID for each SRS resource set through higher layer signaling (e.g., RRC signaling, or MAC CE signaling), i.e., indicating that each SRS resource set belongs to a unique resource set group.

As an example, as shown in fig. 11, a value of a terminal device reporting capability support (supported) SRS-txport switch is't 1r6-t1r8-t2r8-t4r8', that is, an xTyR capability supported by the terminal device reporting to a network device is't 1r6-t1r8-t2r8-t4r8', and the network device configures 1 SP SRS resource set and 6 AP SRS resource sets for a base station through an RRC. And indicates through a high-level signaling display or implicit that the RS resource set group0 includes one SP SRS resource set, which includes two SRS resources, each of which is composed of 4 SRS ports. The SRS resource set group1 includes two AP SRS resource sets, wherein each SRS resource set includes two SRS resources, each SRS resource is composed of 2 SRS ports, and in the two resource sets, SRS-ResourceSetId is set0 when smaller, and SRS-ResourceSetId is set1 when larger. The SRS resource set group2 comprises four AP SRS resource sets, wherein each SRS resource set comprises two SRS resources, each SRS resource consists of 1SRS port, and SRS-ResourceSetId in the four resource sets sequentially comprises set0, set1, set2 and set3 from small to large.

As shown in fig. 12, the network device sets the first field to 00, and the first field is associated with a second field, where the second field is used to indicate an ID of an SP SRS resource set to be activated or deactivated, that is, to indicate an activation/deactivation status of an RS resource set with one resource type set to SP. Or for indicating the SP SRS resource sets contained in SRS resource set group0 (i.e., group 0). According to the above example, the first field is set to 00 and the second field is used to indicate the ID of the SP SRS resource set. An A/D field to indicate that the SP SRS resource set is activated or deactivated. When the A/D field is set to 1, SP SRS resource sets are activated, the terminal equipment sends SRS corresponding to the SP SRS resource sets, and the SRS is used for realizing the measurement of 4T 8R. When the A/D field is set to 0, the SP SRS resource set is deactivated, and the terminal equipment stops transmitting the SRS contained in the SP SRS resource set.

As another possible implementation, the first field is set to 00, and the second field is used to indicate an activation/deactivation status of one or more SP SRS resource sets. The second field may indicate the activation/deactivation states of one or more SP SRS resource sets in a bitmap manner, for example, 4 SP SRS resource sets are configured by the high-level configuration signaling, and 4 bits included in the third field are respectively used to indicate the activation/deactivation states of the SP SRS resource sets with an index of 0, an index of 1, an index of 2, and an index of 3. The first field is set to any one of 01, 10 and 11, and the second field is used for indicating the activation/deactivation state of a group of AP SRS resource sets.

In the present embodiment, the first field is 2 bits in length. The length of the second field may be predefined or higher layer parameter configured. The higher-layer parameter configuration can be explicitly configured or implicitly configured. The length of the second field is predefined, for example, the length of the second field is 4 bits, and when the number of SRS resource set groups is less than 4, the MAC entity ignores a part of bits in the second field. The length of the second field is implicitly configured by the higher layer parameters, for example, the length of the second field is equal to the number of AP SRS resource set groups configured by the higher layer parameters.

As shown in fig. 13, the network device sets the first field to 01, and the second field is used to indicate the AP SRS resource set contained in SRS resource set group1 (i.e. group 1). The first two bits in the second field are used to indicate the activation/deactivation status of the two AP SRS resource sets contained in SRS resource set group 1. When the first two bits in the second field are both set to 1,A/D field set to 1, it indicates that both AP SRS resource sets included in SRS resource set group1 are activated, and when the terminal device receives DCI triggering the AP SRS resource set group, the terminal device sends a corresponding SRS, and at this time, the SRS is used to implement 2T8R measurement. When the first two bits in the second field are both set to 1,A/D field to 0, it indicates that both AP SRS resource sets included in SRS resource set group1 are deactivated, and when the terminal device receives DCI triggering the AP SRS resource set of the group, the terminal device stops sending the corresponding SRS. Similarly, when the first two bits in the second field are both set as 1,A/D field reservation, and the MAC entity ignores, it indicates that both AP SRS resource sets included in SRS resource set group1 are activated, and when the terminal device receives DCI for triggering the AP SRS resource set of the group, the terminal device sends a corresponding SRS, and at this time, the SRS is used to implement 2T8R measurement.

As shown in fig. 14, the network device sets the first field to 10, and the second field is used to indicate the AP SRS resource set contained in SRS resource set group2 (i.e. group 2). The 4 bits in the second field are used to indicate the activation/deactivation status of the 4 AP SRS resource sets contained in SRS resource set group 2. When 4 bits in the second field are all set to 1,A/D field set to 1, which indicates that 4 AP SRS resource sets included in SRS resource set group2 are all activated, and when the terminal device receives DCI triggering the AP SRS resource set group, the terminal device sends a corresponding SRS, and at this time, the SRS is used to implement 1T8R measurement. When the 4 bits in the second field are all set to 1,A/D field to 0, it indicates that all the 4 AP SRS resource sets contained in SRS resource set group2 are deactivated, and when the terminal device receives DCI triggering the AP SRS resource set group, the terminal device stops sending the corresponding SRS. Similarly, when the first two bits in the second field are both set to be 1,A/D field reservation, the MAC entity ignores, which indicates that 4 AP SRS resource sets included in the SRS resource set group2 are all activated, and when the terminal device receives DCI for triggering the AP SRS resource set group, the terminal device sends a corresponding SRS, and at this time, the SRS is used to implement 1T8R measurement.

As shown in fig. 15, the network device sets the first field to 10, and the second field is used to indicate the AP SRS resource set included in SRS resource set group2 (i.e. group 2). The 4 bits in the second field are used to indicate the activation/deactivation status of the 4 AP SRS resource sets contained in SRS resource set group 2. When the first bit, the second bit, and the fourth bit of the 4 bits in the second field are all set to 1, and the third bit is set to 0,A/D field is set to 1, it indicates that 3 AP SRS resource sets included in the SRS resource set group2 are activated, and when the terminal device receives DCI triggering the AP SRS resource set of the group, the terminal device sends a corresponding AP SRS, and at this time, the SRS is used to implement measurement of 1T 6R. When the first bit, the second bit, and the fourth bit of the 4 bits in the second field are all set to 1, and the third bit is set to 0,A/D field is set to 1, it indicates that 3 AP SRS resource sets included in the SRS resource set group2 are deactivated, and when the terminal device receives DCI triggering the AP SRS resource set of the group, the terminal device stops sending the corresponding AP SRS. When the first bit, the second bit, and the fourth bit of the 4 bits in the second field are all set to 1, the third bit is set to 0,A/D field reservation, the MAC entity ignores, which indicates that 3 AP SRS resource sets included in the SRS resource set group2 are activated, and when the terminal device receives DCI for triggering the AP SRS resource set of the group, the terminal device sends a corresponding AP SRS, and at this time, the SRS is used to implement measurement of 1T 6R.

And (4) realizing the fourth step: the first indication information comprises a first field and a second field, and the bit state of the first field is associated with the second field; the first field is used for indicating the port number, and the second field is used for indicating the activation/deactivation state of one or more RS resource sets, wherein the one or more RS resource sets comprise SRS resources which are all composed of SRS ports with the port number.

It should be noted that, in this embodiment, only the redesign of the SP SRS Activation/Deactivation MAC CE is taken as an example for explanation, and the design method is also applicable to redesign of other MAC CEs, or is also applicable to an individual MAC CE. In addition, only Oct1, oct2, and Oct3 are listed in fig. 16, and the format and indication content of other Oct are not limited in this application.

In the MAC CE Oct2 shown in FIG. 16, a first field (e.g., N _ port in FIG. 16) and a second field (e.g., A in FIG. 16) are included ₀ 、A ₁ 、A ₂ 、A ₃ ). The first field contains two bits. The first field is used for indicating the number of ports, the second field is used for indicating the activation/deactivation state of one or more SRS resource sets configured by network equipment through high-layer signaling, and the SRS resources contained in the one or more RS resource sets are all composed of SRS ports with the number of ports.

When the a/D field is 1, a bit in the second field is set to 1, which may indicate that the corresponding SRS resource set is activated, and a bit in the second field is set to 0, which may indicate that the corresponding SRS resource set is not activated (i.e., the state remains unchanged). When the a/D field is 0, a bit in the second field is set to 1, which may indicate that the corresponding SRS resource set is deactivated, and a bit in the second field is set to 0, which may indicate that the corresponding SRS resource set is not deactivated (i.e., the state remains unchanged). When the a/D field is ignored, for example, when the a/D field is ignored by the MAC entity, a bit in the second field is set to 1, which may indicate that the corresponding SRS resource set is activated, and a bit in the second field is set to 0, which may indicate that the corresponding SRS resource set is deactivated. The network device determines the indexes of one or more SRS resource sets, which are formed by SRS ports with the same port number, of the SRS resources contained in the one or more SRS resource sets configured by the high-layer signaling by a high-layer signaling according to a predefined rule, or configures the indexes by high-layer parameters, wherein the high-layer parameters can be configured explicitly or implicitly. For example, the IDs of SRS resource sets (i.e. the high-level parameters SRS-ResourceSetId) in one or more SRS resource sets consisting of SRS ports of the same port number correspond to indexes 0 to 3 sequentially from small to large.

It should be understood that, when the second field is used for indicating the activation/deactivation states of multiple SRS resource sets, each bit can be understood as one field, each field corresponds to one SRS resource set, and the second field is a set of multiple fields.

Fig. 17 is a schematic diagram of another communication method provided in an embodiment of the present application, where the method includes:

s1701: the network equipment sends the first indication information to the terminal equipment.

The first indication information is used for indicating the activation/deactivation state of one or more SRS resources, wherein the activation/deactivation state of one or more SRS resources is any one of the following:

in the one or more SRS resources, N SRS resources are activated, and M SRS resources except the N SRS resources are not activated;

in the one or more SRS resources, N SRS resources are activated, and M SRS resources except the N SRS resources are deactivated;

in the one or more SRS resources, N RS resources are deactivated, and M SRS resources except the N SRS resources are not deactivated; n, M is a natural number;

s1702: and the terminal equipment controls the SRS transmission according to the first indication information.

In this embodiment, the network device may configure, through higher layer configuration signaling, such as RRC signaling, a plurality of SRS resource sets for the terminal device, for example, configure one or more SP SRS resource sets, or one or more AP SRS resource sets, or one or more SP SRS resource sets and one or more AP SRS resource sets for the terminal device. One SP SRS resource set comprises at least one AP SRS resource, and one SP SRS resource set comprises at least one SP SRS resource. The implementation that the specific network device configures one or more SRS resource sets for the terminal device through the high-level configuration signaling may refer to the implementation of the method shown in fig. 6, which is not described again.

For the first Indication information, the terminal device may determine the code point of the LCID from the network device or the MAC sub-header with index 50 (e.g., SP SRS Activation/Deactivation MAC CE) or the MAC sub-header with code point of the elicid 248 and index 312 (e.g., enhanced SP/AP SRS Spatial relationship Indication MAC CE), or may determine the code point of the LCID greater than 255 and/or the MAC sub-header with index greater than 319, that is, other MAC CEs. One or more SRS resources in the activation/deactivation state indicated by the first indication information are contained in one SRS resource set, and the resource type of the one SRS resource set is set as SP; or the like, or a combination thereof,

the one or more SRS resources are contained in one or more SRS resource sets, and the resource types of the one or more SRS resource sets are set as AP;

the one or more SRS resources are included in a plurality of SRS resource sets, the plurality of SRS resource sets including an SRS resource set with a resource type set to AP and an SRS resource set with a resource type set to SP.

Taking the first Indication information determined according to the SP SRS Activation/Deactivation MAC CE or the Enhanced SP/AP SRS Spatial relationship Indication MAC CE as an example, as shown in fig. 4A and 4B, for the above two MAC CEs, octet (Oct) 2 contains two bits of reserved bits R, and the SRS Resource Set ID field length is 4 bits, but since the indicated ID is the SRS Resource Set ID, only one SRS Resource Set can be indicated at a time. The embodiment of the application can be further designed aiming at the Oct of the SP SRS Activation/Deactivation MAC CE and the Enhanced SP/AP SRS Spatial relationship Indication MAC CE, so that the flexible Indication for the SRS resource set is realized on the premise of not increasing the expenses of the two MAC CEs, and the Indication for flexible antenna switching is further realized. The following takes the MCE CE as an example, and combines different design implementations of the MAC CE.

In one possible implementation, the first indication information includes L bits, different bits of the L bits are associated with different SRS resources of the one or more SRS resources, and one bit of the L bits is used to indicate an activation/deactivation status of the SRS resource associated with the bit, where L is a positive integer.

The value of L is predefined or configured by higher layer configuration parameters. For example, L is predefined, e.g., L =8. For another example, L is configured by the higher layer configuration parameter, for example, the value of L is equal to the number of SRS resources configured in the higher layer configuration parameter for antenna switching, or the value of L is equal to the number of AP SRS resources configured in the higher layer configuration parameter for antenna switching, or the value of L is equal to the number of SP SRS resources configured in the higher layer configuration parameter for antenna switching, and the like.

As shown in fig. 18, it should be noted that, in this embodiment, only the SP SRS Activation/Deactivation MAC CE is redesigned as an example, and the design method is also applicable to redesign of other MAC CEs or is also applicable to an individual MAC CE. In addition, only Oct1, oct2, and Oct3 are listed in fig. 8, and the format and indication content of other Oct are not limited in this application.

In the MAC CE Oct2 shown in FIG. 18, L bits (L in FIG. 18) ₀ 、L ₁ 、L ₂ 、L ₃ 、L ₄ 、L ₅ ) The L bits may be indicated in a bitmap manner, that is, the L bits are used to indicate the activation/deactivation states of the SRS resource with an index of 0, an index of 1, an index of 2, an index of 3, an index of 4, and an index of 5, respectively.

When the a/D field is 1, a bit in the L bits is set to 1, which may indicate that the corresponding SRS resource is activated, and a bit in the L bits is set to 0, which may indicate that the corresponding SRS resource is not activated (i.e., the state remains unchanged). When the a/D field is 0, a bit of the L bits is set to 1, which may indicate that the corresponding SRS resource is deactivated, and a bit of the L bits is set to 0, which may indicate that the corresponding SRS resource is not deactivated (i.e., the state remains unchanged). When the a/D field is ignored, for example, when the a/D field is ignored by the MAC entity of the terminal device, a bit in the L bits is set to 1, which may indicate that the corresponding SRS resource is activated, and a bit in the L bits is set to 0, which may indicate that the corresponding SRS resource is deactivated.

When the network device configures the SRS resource set to the terminal device through the high-level configuration signaling, the high-level configuration signaling may include an association relationship between L bits and one or more SRS resources. For example, the association relationship between the L bits and the one or more SRS resources is explicitly indicated through high-layer configuration signaling, or the association relationship between the L bits and the one or more SRS resources is implicitly indicated through high-layer configuration signaling.

For example, an association relationship between L bits and the one or more SRS resources is configured for the terminal device according to the SRS resource ID of the SRS resource and/or the SRS resource set ID corresponding to the SRS resource.

As an example, the RS resource set ID corresponding to the RS resource refers to an RS resource set ID of an RS resource set in which the RS resource is located.

As an example, the association relationship between the L bits and the one or more SRS resources may be configured in a manner that the SRS resource set IDs corresponding to the SRS resources are in ascending order and priority, and the SRS resource IDs of the SRS resources are in ascending order, that is, the RS resource set ID corresponding to the RS resource associated with the ith bit in the L bits is smaller than the SRS resource set ID corresponding to the SRS resource associated with the (i + 1) th bit; or an SRS resource ID of an SRS resource associated with an ith bit of the L bits is smaller than an RS resource ID of an RS resource associated with an i +1 th bit, optionally, the SRS resource associated with the ith bit and the RS resource associated with the i +1 th bit are included in the same RS resource set, or the SRS resource associated with the ith bit is the same as the RS resource set ID corresponding to the RS resource associated with the i +1 th bit; wherein i is more than or equal to 1 and less than L, and i is an integer. I.e. the 1 st bit (L) of the L bits ₀ ) The SRS resource set ID corresponding to the corresponding SRS resource is the smallest and the SRS resource ID of the SRS resource is the smallest. Taking an example that the network device configures an SRS Resource Set to the terminal device through a high-layer configuration signaling, as shown in fig. 19, where an SRS Resource of SRS Resource Set ID =0 in the SP SRS Resource Set of SRS Resource Set ID =0 corresponds to the 1 st bit (L) of the L bits (L is a bit in the SP SRS Resource Set of SRS Resource Set ID = 0) ₀ ) SP with SRS Resource Set ID =0The SP SRS Resource of SRS Resource ID =1 in the SRS Resource set corresponds to the 2 nd bit (L) of the L bits ₁ ) AP SRS Resource of SRS Resource Set ID =0 in the AP SRS Resource Set of SRS Resource Set ID =1 corresponds to the 3 rd bit (L) of the L bits ₂ ) And the same can be done until the AP SRS Resource of SRS Resource ID =3 in the AP SRS Resource Set of SRS Resource Set ID =1 corresponds to the 6 th bit (L) of the L bits ₅ )。

As an example, the association relationship between the L bits and the one or more SRS resources may be configured in a manner that the SRS resource set IDs corresponding to the SRS resources are prioritized in a descending order and the SRS resource IDs of the SRS resources are prioritized in a descending order, that is, the SRS resource set ID corresponding to the i-th bit associated SRS resource in the L bits is greater than the SRS resource set ID corresponding to the i + 1-th bit associated SRS resource; or, the SRS resource ID of the SRS resource associated with the ith bit of the L bits is greater than the SRS resource ID of the SRS resource associated with the (i + 1) th bit; wherein i is more than or equal to 1 and less than L, and i is an integer. I.e. the 6 th bit (L) of the L bits ₅ ) The SRS resource set ID corresponding to the corresponding SRS resource is the smallest and the SRS resource ID of the SRS resource is the smallest. Take the case that the network device configures the SRS Resource Set shown in fig. 19 to the terminal device through the high-layer configuration signaling, where the AP SRS Resource of SRS Resource Set ID =3 in the AP SRS Resource Set of SRS Resource Set ID =1 corresponds to the 1 st bit (L) of the L bits (L is a bit of the AP SRS Resource Set of SRS Resource Set ID = 3) ₀ ) The AP SRS Resource of SRS Resource Set ID =2 in the AP SRS Resource Set of SRS Resource Set ID =1 corresponds to the 2 nd bit (L) of the L bits (L ₁ ) And the same can be done until the SRS Resource of SRS Resource ID =0 in the SP SRS Resource Set of SRS Resource Set ID =0 corresponds to the 6 th bit (L) of the L bits ₅ )。

In some embodiments, the SRS resource set ID of the RS resource set where the SRS resource of the resource type set to SP is located is smaller than the SRS resource set ID of the SRS resource set where the SRS resource of the resource type set to AP is located. That is, as shown in fig. 19, in the higher layer parameters, the SRS resource set ID of the SRS resource set whose resource type is semi-persistent is smaller than the SRS resource set ID of the SRS resource set whose resource type is aperiodic.

For another example, the association relationship between L bits and the one or more SRS resources is configured for the terminal device according to the SRS resource ID of the SRS resources of the same resource type and the same use case.

As an example, the association relationship between L bits and the one or more SRS resources may be configured in an ascending manner of SRS resource IDs corresponding to AP SRS resources for antenna switching, that is, an SRS resource ID of an SRS resource associated with an ith bit in the L bits is smaller than an RS resource ID of an RS resource associated with an i +1 th bit; wherein i is more than or equal to 1 and less than L, and i is an integer. I.e. the 1 st bit (L) of the L bits ₀ ) The SRS resource ID of the corresponding SRS resource is smallest. Taking the case that the network device configures the SRS Resource set shown in fig. 19 to the terminal device through the high-layer configuration signaling, for 4 AP SRS resources in the AP SRS Resource set, the AP SRS Resource with SRS Resource ID =0 corresponds to the 1 st bit (L) of the L bits (L is an L Resource ID = 0) ₀ ) The AP SRS Resource with SRS Resource ID =1 corresponds to the 2 nd bit (L) of the L bits ₁ ) And the like in sequence until the SRS Resource ID =3 in the SP SRS Resource set corresponds to the 4 th bit (L) in the L bits ₄ )。

In some implementations, the first O bits of the L bits are used to indicate the activation/deactivation status of the SRS resource with the resource type set to SP, and the last P bits are used to indicate the activation/deactivation status of the SRS resource with the resource type set to AP, where O and P are natural numbers. Taking L as still 6 bits in fig. 18 as an example, under the configuration in fig. 19, the first 2 bits of the L bits indicate the activation/deactivation state of the SP SRS resource, and the last 4 bits are used to indicate the activation/deactivation state of the AP SRS resource. It should be understood that the sum of O and P may be equal to L, or smaller than L, and in the case that L is larger than O + P, the MAC entity ignores the last L- (O + P) bits of the L bits.

In another possible implementation, the first indication information includes a first field and a second field, a bit state of the first field is associated with the second field; the first field is used for indicating the number of ports, and the second field is used for indicating the activation/deactivation state of SRS resources composed of SRS ports with the number of ports in the one or more SRS resource sets.

As for the format and the indication content of the MAC CE signaling, an exemplary description is given as shown in fig. 20. It should be noted that, the present embodiment only exemplifies the redesign of the SP SRS Activation/Deactivation MAC CE, and the design method is also applicable to redesign of other MAC CEs or to individual MAC CEs. In addition, only Oct1, oct2, and Oct3 are listed in fig. 20, and the format and indication content of other Oct are not limited in this application.

As shown in fig. 20, in the MAC CE Oct2, a first field (e.g., N _ port in fig. 20) and a second field (e.g., A0, A1, A2, A3 in fig. 20) may be included. The first field contains two bits. The first field is used to indicate the number of ports.

As a possible implementation manner, the second field is used to indicate the activation/deactivation state of the AP SRS resource composed of SRS ports of the port number. Wherein the length of the second field may be predefined or higher layer parameter configured. The higher-layer parameter configuration can be explicitly configured or implicitly configured.

For example, the second field includes 8 bits, and the 8 bits in the second field are sequentially used to indicate the activation/deactivation states of the SRS resource composed of the SRS ports with the number of ports, where the SRS resource has an index of 0, an index of 1, an index of … …, and an index of 7. The first field may be set to 01, or 10, or 11, respectively, indicating that the RS resource indicated by the second field consists of 1, or 2, or 4 SRS ports. Optionally, the first field is set to 01, and the SRS resources with the number of corresponding SRS ports being 1 are activated or deactivated; the first field is set to 10, and the SRS resource with the corresponding SRS port number of 2 is activated or deactivated; the first field is set to 11, and the SRS resource corresponding to the SRS port number of 4 is activated or deactivated.

In addition, the length of the second field may also be related to the number of ports indicated by the first field, for example, the number of ports indicated by the first field is 1, and the length of the second field is 8; the number of ports indicated by the first field is 2, and the length of the second field is 4; the first field indicates the number of ports as 2 and the second field has a length of 2 or 3. It should be understood that, here, the association relationship between one or more bits of the second field and the indicated one or more SRS resources may refer to the implementation of the association relationship between the L bits and the indicated one or more SRS resources. For example: the association relationship between one or more bits of the second field and one or more SRS resources indicated by the second bit is determined according to the SRS resource ID of the SRS resource and/or the RS resource set ID corresponding to the SRS resource, and the specific implementation refers to the implementation of the association relationship between the L bit and the indicated one or more SRS resources, which is not repeated herein.

As a possible implementation manner, the second field is used to indicate the activation/deactivation state of the AP SRS resources composed of SRS ports of the number of the ports in one or more SRS resource sets. For example, the second field contains 4 bits. And 4 bits in the second field are sequentially used for indicating the activation/deactivation state of the SRS resource formed by the SRS ports with the number of the ports in the SRS resource sets with the index of 0, the index of 1, the index of 2 and the index of 3. The first field may be set to 01, or 10, or 11, respectively, indicating the activation/deactivation status of resources composed of 1, or 2, or 4 SRS ports in the RS resource set indicated by the second field. For example, the first field is set to 01, and the 1 st bit in the second field is used to indicate that the SRS resource with the number of SRS ports of 1 in the SRS resource set with index 0 is activated or deactivated; the first field is set to 10, the 1 st bit in the second field is used for indicating that the SRS resource with the number of SRS ports of the SRS resource set with the index of 0 being 2 is activated or deactivated; the first field is set to 11, and the 1 st bit in the second field is used to indicate that the SRS resource with the number of SRS ports of 4 in the SRS resource set with index 0 is activated or deactivated.

Since the number of the transmitting ports supports 1,2 and 4, three bit states of four bit states are required for indication. Another one of the four bit states may be used to indicate the second information. The second information may be one or more of the following information: the time domain behavior of the indicated SRS resource set, the number of resources included in the indicated SRS resource set, the content indicated by the second field, and the number of transmission ports corresponding to the indicated SRS resource. Optionally, when the first field is set to 00, the MAC CE functions exactly as the SP SRS Activation/Deactivation MAC CE in the original (R15/R16).

That is, the first field is Set to 00, the second field is an SP SRS Resource Set ID field, and the field length is 4 bits, and is used to indicate an activated or deactivated SP SRS Resource Set ID configured by a higher layer parameter SRS-ResourceSetId. The first field is set to 01, a first bit, a second bit, a third bit and a fourth bit in the second field are sequentially used for indicating SRS resource sets with indexes of 0, 1,2 and 3, and SRS resources consisting of 1SRS port are activated/deactivated; when the first field is set to 10 or 11, the first bit, the second bit, the third bit and the fourth bit in the second field are sequentially used for indicating the SRS resource sets with the index of 0, the index of 1, the index of 2 and the index of 3, and the SRS resource formed by 2 or 4 SRS ports is activated/deactivated;

the indexes of the plurality of SRS resource sets are determined by a predefined rule or indicated by higher layer information. For example, the IDs of the SRS resource sets (i.e., the higher layer parameters SRS-ResourceSetId) correspond to indexes 0 to 3 in order from small to large.

A specific example is given below to illustrate the embodiments of the present application.

As shown in fig. 21, the UE reports a supported SRS-txport switch with a value of't 1r6-t1r8-t2r8', and the base station configures 3 AP SRS resource sets through RRC. The first and second AP SRS resource sets include 4 SRS resources, two of which are composed of 1SRS port, and the other two of which are composed of 2 SRS ports. The third set of AP SRS resources contains 4 SRS resources, where each SRS resource consists of 1SRS port. In the 3 SRS resource sets, SRS-ResourceSetId is set0, set1 and set2 from small to large, that is, SRS-ResourceSetId is an AP SRS resource set with index 0, index 1 and index 2 from small to large.

As shown in fig. 22, the network device sets the first field to 10, which indicates that the number of SRS ports included in the activated SRS resource is 2. The first three bits in the second field are used to indicate the activation/deactivation status of SRS resources consisting of 2 SRS ports in 3 AP SRS resource sets. The first two bits in the second field are both set to 1,A/D field set to 1, indicating that in the AP SRS resource set with index 0 and index 1, the SRS resource consisting of 2 SRS ports is activated. When the terminal device receives the DCI for triggering the set of AP SRS resources, the terminal device sends a corresponding AP SRS, and at this time, the SRS is used to implement the measurement of 2T 8R. When the first two bits in the second field are both set to 1,A/D field to 0, indicating that the AP SRS resource set with index 0 and index 1 is concentrated, the SRS resource composed of 2 SRS ports is deactivated. When the terminal device receives the DCI for triggering the set of AP SRS resources, the terminal device stops transmitting the corresponding AP SRS. When the first two bits in the second field are both set to 1,A/D fields, which are ignored by the MAC entity of the terminal device, it indicates that the AP SRS resource set with index 0 and index 1 is activated, the AP SRS resource set with index 2 is activated, and the SRS resource set with index 2 is deactivated. And when the terminal equipment receives the DCI for triggering the set of AP SRS resources, the terminal equipment sends the AP SRS corresponding to the activated SRS resource.

As shown in fig. 23, the network device sets the first field to 01, which indicates that the number of SRS ports included in the activated SRS resource is 1. The first three bits in the second field are used to indicate the activation/deactivation state of SRS resources consisting of SRS ports of the number of ports in the 3 AP SRS resource sets. The first 3 bits in the second field are all set to 1,A/D field set to 1, indicating that the SRS resource set of AP with index 0, index 1 and index 2 is activated, and the SRS resource consisting of 1SRS port is activated. When the terminal device receives the DCI for triggering the set of AP SRS resources, the terminal device sends a corresponding AP SRS, where the SRS is used to implement the measurement of 1T 6R. When the first 3 bits in the second field are all set to 1,A/D field to 0, indicating that the AP SRS resource set with index 0, index 1, and index 2 is in the SRS resource set, the SRS resource composed of 1SRS port is deactivated. When the terminal device receives the DCI for triggering the set of AP SRS resources, the terminal device stops transmitting the corresponding AP SRS.

It is to be understood that the AP SRS resource or set of AP SRS resources is activated and/or triggered only once, technically, and does not need to be deactivated. Therefore, when the activation and/or deactivation of the AP SRS resource or the AP SRS resource set is indicated, the a/D field is 0, which is ignored by the MAC entity of the terminal device.

As shown in fig. 24, the network device sets the first field to 01, which indicates that the number of SRS ports included in the activated SRS resource is 1. The first three bits in the second field are used to indicate the activation/deactivation status of RS resources in the 3 AP SRS resource sets consisting of the number of ports of RS ports. The bit state of the second field is 1010, the a/D field is set to 1, which indicates that SRS resources composed of 1SRS port are activated in the AP SRS resource set with

indexes

0 and 2. And when the terminal equipment receives the DCI for triggering the group of AP SRS resource sets, the terminal equipment sends the corresponding AP SRS, and the SRS is used for realizing the measurement of the 1T 4R. Optionally, the a/D field is set to 0 and the mac entity ignores this field. Optionally, setting the a/D field to 0 indicates that the SRS resource set of the AP with index 0 and index 2 is deactivated, where the SRS resource set is composed of 1SRS port. When the terminal device receives the DCI for triggering the set of AP SRS resources, the terminal device stops transmitting the corresponding AP SRS. The A/D field is ignored by the MAC entity of the terminal equipment, and indicates that the SRS resource set formed by the AP SRS ports with the index of 0 and the index of 2 is activated, the SRS resource set formed by the AP SRS ports with the index of 1 is activated, and the SRS resource set formed by the AP SRS ports with the index of 1 is deactivated. When the terminal device receives the DCI for triggering the set of AP SRS resources, the terminal device transmits the AP SRS corresponding to the activated SRS resource and stops transmitting the AP SRS corresponding to the deactivated SRS resource.

In some possible implementations, the first indication information includes an antenna switching instruction, which may be carried in a first field included in the first indication information, for indicating an activation/deactivation status of one or more SRS resources or for indicating an activation/deactivation status of one or more sets of SRS resources.

As an example, the network device configures two sets of SRS resources for the terminal device through a high-level signaling, where each set of SRS resource may include one or more SRS resources, and one or more SRS resources in each set of SRS resource may be included in one SRS resource set or may be included in multiple SRS resource sets. The network device may instruct the terminal device to switch between the two sets of SRS resources through a switching instruction in the first instruction information. For example, the terminal device has currently activated one or more SRS resources included in the first set of SRS resources, and sends an SRS corresponding to the one or more SRS resources included in the first set of SRS resources, and after receiving the first indication information, the terminal device activates the one or more SRS resources included in the second set of SRS resources, and sends an SRS corresponding to the one or more SRS resources included in the second set of SRS resources. The resource type of the SRS resource may be aperiodic or semi-persistent.

In some possible implementations, the first indication information includes an indication of the number of ports and/or the number of resources, which may be carried in a first field included in the first indication information, or may be carried in a first field and a second field included in the first indication information, for indicating an activation/deactivation status of one or more SRS resources.

As an example, the network device may configure multiple sets of SRS resources for the terminal device through high-level signaling, and the SRS resources in each set of SRS resources are composed of the same number of SRS ports. The network device may instruct the terminal device to switch between the multiple sets of SRS resources according to the number of antennas in the first indication information. Or, the network device may instruct the terminal device to switch between multiple sets of SRS resources according to the number of resources in the first indication information. For example, the network device configures three sets of SRS resources for the terminal device, where the three sets of SRS resources correspond to

antenna numbers

1,2, and 4, the terminal device has activated one or more SRS resources included in the first set of SRS resources currently, and sends an SRS corresponding to the one or more SRS resources included in the first set of SRS resources, and after the terminal device receives the first indication information, the first indication information carries information that the antenna number is 2, the terminal device deactivates the one or more SRS resources included in the first set of SRS resources, activates the one or more SRS resources included in the second set of SRS resources corresponding to the antenna number 2, and sends an SRS corresponding to the one or more SRS resources included in the second set of SRS resources.

As an example, the network device may configure multiple sets of SRS resources for the terminal device through high-level signaling, and the SRS resources in each set of SRS resources are composed of the same number of SRS ports. The network device may indicate the number of activated SRS resources or SRS resource sets by the number of antennas in the first indication information, and optionally, the activated SRS resources or SRS resource sets corresponding to the number of antennas indicated in the first indication information are determined according to a predefined rule or indicated by a higher layer signaling. The SRS resource or the SRS resource set is determined according to a predefined rule, for example, the SRS resource set with a small SRS resource ID is preferentially activated, or the SRS resource set with a large SRS resource ID is preferentially activated.

As an example, the network device may configure multiple sets of SRS resources for the terminal device through high-layer signaling, and the network device may indicate the activated SRS resource or SRS resource set through the number of ports in the first indication information. Optionally, the SRS resources in each set of SRS resources are composed of the same number of SRS ports. Optionally, the SRS resources in each set of SRS resources are composed of different numbers of SRS ports. For example, if the number of ports indicated by the first indication information is 1, a resource composed of 1SRS port is activated, or a resource set in which the resource composed of 1SRS port is located is activated.

In one possible implementation, SRS resources composed of the same number of SRS ports are power controlled consistently.

As for the format and the indication content of the MAC CE signaling, an exemplary description is given as shown in fig. 25. It should be noted that, the present embodiment only exemplifies the redesign of the SP SRS Activation/Deactivation MAC CE, and the design method is also applicable to redesign of other MAC CEs or to individual MAC CEs. In addition, only Oct1, oct2, and Oct3 are listed in fig. 25, and the formats and indications of other Oct are consistent with or not consistent with those of the existing ones.

As shown in fig. 25, in the MAC CE Oct2, a first field (e.g., N in fig. 25) may be included. The first field may be 2 bits, and when carrying a handover command, may indicate handover by 00, indicate no handover by 01, 10, 11, etc., or indicate handover by 01, indicate no handover by 00, etc. Alternatively, the first field may be 1 bit, and when carrying a handover instruction, handover may be indicated by a status value of 1, no handover may be indicated by a status value of 0, and the like.

In the case of the number of ports, the number of ports may be indicated by 01 as 1, 10 as 2, 11 as 4, or the like.

In other implementations, for the AP SRS, the SRS resource or the SRS resource set to be activated is determined according to a predefined rule or a higher layer configuration parameter and indication information of the DCI. Alternatively, activation/deactivation of one or more SRS resources may be indicated by a DCI (e.g., a DCI that triggers a set of SRS resources or SRS resources). Or, the activated SRS resource or set of SRS resources is determined by a predefined rule or a higher layer configuration parameter.

As an example, the network device may configure one or more SRS resources for the terminal device through higher layer signaling, and the one or more SRS resources may be located in one SRS resource set or may be located in multiple SRS resource sets. When the terminal equipment receives the first indication information, one or more AP SRS resources or one AP SRS resource set are activated, the terminal equipment receives DCI, the DCI triggers all or part of the one or more AP SRS resources or the one AP SRS resource set, and the terminal equipment sends AP SRS corresponding to the triggered SRS resources; when the terminal equipment does not receive the first indication information, the terminal equipment receives DCI, the DCI triggers all or part of one or more AP SRS resources or one AP SRS resource set, and the one or more AP SRS resources or the one AP SRS resource set are determined according to a predefined rule or a high-level configuration parameter. For example, the one or more AP SRS resources or one AP SRS resource set are determined according to a predefined rule, which means that the one or more AP SRS resources or one AP SRS resource set is all resource sets configured by the network device through high-layer signaling for antenna switching, or the one or more AP SRS resources or one AP SRS resource set is a number of resource sets configured by the network device through high-layer signaling for antenna switching. A is a natural number. A is predefined, e.g., a =1. Alternatively, a is higher layer parameter configured. For example, 3 SRS resource sets are configured in the high-level signaling, the use case of the 3 SRS resource sets is configured as antenna switching, aperiodic SRS-resource trigger or aperiodic SRS-resource trigger list corresponding to the 3 SRS resource sets is 1, the terminal device receives DCI, the SRS request field state value of the DCI is 01, a =1 indicates that the 3 SRS resource sets, and the resource set with the smallest SRS resource set ID is triggered.

The above-mentioned scheme provided by the present application is mainly introduced from the perspective of interaction between a network device and a terminal device. It is understood that, in order to implement the above functions, each network element (or apparatus) includes a corresponding hardware structure and/or software module (or unit) for performing each function. Those of skill in the art would readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

Fig. 26 and 27 are schematic structural diagrams of a possible communication device provided in an embodiment of the present application. These communication devices can be used to implement the functions of the terminal device or the network device in the above method embodiments, so that the beneficial effects of the above method embodiments can also be achieved. In an embodiment of the present application, the communication apparatus may be a terminal device or a network device in the foregoing method embodiment, and may also be a module (such as a chip) applied to the terminal device or the network device.

As shown in fig. 26. Communication device 2600 may include: the processing unit 2602 and the transceiving unit 2603 may further include a storage unit 2601. The communication device 2600 is used for implementing the functions of the terminal device or the network device in the above method embodiments.

In one possible design, the processing unit 2602 is used to implement corresponding processing functions. The transceiving unit 2603 is configured to support communication between the communication apparatus 2600 and other network entities. A storage unit 2601 stores program codes and/or data of the communication device 2600. Optionally, the transceiving unit 2603 may comprise a receiving unit and/or a transmitting unit for performing receiving and transmitting operations, respectively.

When the communication apparatus 2600 is used to implement the functions of the terminal device in the method embodiment:

a transceiving unit 2603, configured to obtain first indication information, where the first indication information is used to indicate an activation/deactivation status of one or more reference signal RS resource sets, where the activation/deactivation status of the one or more RS resource sets is any one of: in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets other than the N RS resource sets are not activated; in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets except the N RS resources are deactivated; in the one or more RS resource sets, N RS resource sets are deactivated, and M RS resource sets except the N RS resources are not deactivated; wherein the one or more RS resource sets include an RS resource set with a resource type set as semi-persistent and/or an RS resource set with a resource type set as aperiodic, and the RS resource set is N, M which is a natural number;

a processing unit 2602, configured to control transmission of the RS according to the first indication information.

In one possible design, a bit state of the first field belongs to a first set of bit states, and the second field is used to indicate an activation/deactivation status of a set of RS resources with one resource type set to semi-persistent; the bit state of the first field belongs to a second bit state set, and the third field or a part of bits of the third field are used for indicating the activation/deactivation state of an RS resource set with one or more resource types set to be aperiodic; or the like, or, alternatively,

the bit state of the first field belongs to a second bit state set, and the third field or a part of bits of the third field are used for indicating the activation/deactivation state of a plurality of RS resource sets with resource type set to be non-periodic and resource type set to be semi-persistent.

In another possible implementation, the transceiving unit 2603 is configured to acquire first indication information, where the first indication information is used to indicate an activation/deactivation state of one or more reference signal RS resources, where the activation/deactivation state of the one or more RS resources is any one of: n RS resources are activated and M RS resources except the N RS resources are not activated in the one or more RS resources; among the one or more RS resources, N RS resources are activated, and M RS resources except the N RS resources are deactivated; in the one or more RS resources, N RS resources are deactivated, and M RS resources except the N RS resources are not deactivated; n, M is a natural number;

the processing unit 2602 is configured to control transmission of an RS according to the first indication information.

In one possible design, the first indication information is used to indicate that N RS resources are activated and M RS resources other than the N RS resources are not activated in one or more RS resources, and the controlling transmission of the RS according to the first indication information includes: according to the first indication information, RS is sent on the N RS resources; or the like, or, alternatively,

the first indication information is used for indicating that N RS resources are activated and M RS resources except the N RS resources are deactivated in one or more RS resources, and the controlling of RS transmission according to the first indication information comprises: according to the first indication information, sending RSs on the N RS resources, and stopping sending RSs corresponding to the M RS resources; or the like, or, alternatively,

the first indication information is used to indicate that, of one or more RS resources, N RS resources are deactivated, and M RS resources other than the N RS resources are not deactivated, and the controlling of RS transmission according to the first indication information includes: and stopping sending the RS corresponding to the N RS resources.

In one possible design, an RS resource set ID corresponding to an RS resource associated with an ith bit of the L bits is smaller than an RS resource set ID corresponding to an RS resource associated with an i +1 th bit; or, the RS resource ID of the RS resource associated with the ith bit in the L bits is smaller than the RS resource ID of the RS resource associated with the (i + 1) th bit; wherein i is more than or equal to 1 and less than L, and i is an integer.

In one possible design, the first indication information is determined by a MAC subheader of any one of: the logical channel identifies the code point of LCID or MAC subheader with index of 50; a MAC subheader with code point of 248 and index of 312 of the enhanced logical channel identifier etlcid; the code point of the LCID is greater than 255 and/or the index is greater than 319 of the MAC subheader.

When the communication apparatus 2600 is used to implement the functions of the network device in the method embodiment:

a processing unit 2602, configured to generate first indication information, where the first indication information is used to indicate an activation/deactivation status of one or more sets of reference signal RS resources, where the activation/deactivation status of the one or more sets of RS resources is any one of: in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets other than the N RS resource sets are not activated; in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets except the N RS resources are deactivated; in the one or more RS resource sets, N RS resource sets are deactivated, and M RS resource sets except the N RS resources are not deactivated; wherein the one or more RS resource sets include an RS resource set with a resource type set as semi-persistent and/or an RS resource set with a resource type set as aperiodic, and the RS resource set is N, M which is a natural number;

a transceiving unit 2603, configured to send the first indication information.

In one possible design, a bit state of the first field belongs to a first set of bit states, and the second field is used to indicate an activation/deactivation status of a set of RS resources with one resource type set to semi-persistent;

the bit state of the first field belongs to a second bit state set, and the third field or a part of bits of the third field are used for indicating the activation/deactivation state of an RS resource set with one or more resource types set to be aperiodic; or the like, or, alternatively,

In another possible implementation, the processing unit 2602 is configured to generate first indication information, where the first indication information is used to indicate an activation/deactivation status of one or more reference signal RS resources, where the activation/deactivation status of the one or more RS resources is any one of: n RS resources are activated in the one or more RS resources, and M RS resources except the N RS resources are not activated; among the one or more RS resources, N RS resources are activated, and M RS resources except the N RS resources are deactivated; in the one or more RS resources, N RS resources are deactivated, and M RS resources except the N RS resources are not deactivated; n, M is a natural number;

a transceiving unit 2603, configured to send the first indication information.

In one possible design, the one or more RS resources are included in one set of RS resources whose resource type is set to semi-persistent; or the like, or a combination thereof,

the one or more RS resources are contained in one or more RS resource sets, and resource types of the one or more RS resource sets are set to be non-periodic;

the one or more RS resources are included in a plurality of RS resource sets, the plurality of RS resource sets including an RS resource set with a resource type set to aperiodic and an RS resource set with a resource type set to semi-persistent.

In one possible design, the first O bits of the L bits are used to indicate an activation/deactivation state of an RS resource with a resource type set to semi-persistent, and the last P bits are used to indicate an activation/deactivation state of an RS resource with a resource type set to aperiodic, where O and P are natural numbers.

More detailed descriptions about the processing unit 2602 and the transceiver 2603 can be directly obtained by referring to the related descriptions in the method embodiments, which are not described herein again.

As shown in fig. 27, the communication device 2700 includes a processor 2710 and an interface circuit 2720. The processor 2710 and the interface circuit 2720 are coupled to each other. It is understood that the interface circuit 2720 can be a transceiver or an input-output interface. Optionally, the communication device 2700 may further include a memory 2730 for storing instructions executed by the processor 2710 or for storing input data required by the processor 2710 to execute the instructions or for storing data generated by the processor 2710 after executing the instructions.

When the communication device 2700 is configured to implement the communication method applicable to the terminal device or the network device in the foregoing method embodiments, the processor 2710 is configured to implement the functions of the processing unit 2602, and the interface circuit 2720 is configured to implement the functions of the transceiver 2603.

As another form of the present embodiment, a computer-readable storage medium is provided, on which instructions are stored, and when executed, the instructions may perform the communication method applicable to the terminal device or the network device in the above method embodiments.

As another form of the present embodiment, there is provided a computer program product containing instructions, which when executed, can execute the communication method applicable to the terminal device or the network device in the above method embodiments.

As another form of this embodiment, a chip is provided, and when the chip operates, the communication method applicable to the terminal device or the network device in the foregoing method embodiments may be executed.

As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the spirit and scope of the embodiments of the present application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to encompass such modifications and variations.

Claims

1. A method of communication, comprising:

acquiring first indication information, wherein the first indication information is used for indicating an activation/deactivation state of one or more Reference Signal (RS) resource sets, and the activation/deactivation state of the one or more RS resource sets is any one of the following:

in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets other than the N RS resource sets are not activated;

in the one or more RS resource sets, N RS resource sets are activated, and M RS resource sets except the N RS resources are deactivated;

in the one or more RS resource sets, N RS resource sets are deactivated, and M RS resource sets except the N RS resources are not deactivated;

wherein the one or more RS resource sets include an RS resource set with a resource type set as semi-persistent and/or an RS resource set with a resource type set as aperiodic, and the RS resource set is N, M which is a natural number;

and controlling the transmission of the RS according to the first indication information.

2. The method of claim 1, wherein the first indication information comprises a first field;

the bit state of the first field is associated with a second field or a third field; alternatively, the first and second electrodes may be,

the bit state of the first field is associated with a partial bit of the second field or a partial bit of the third field.

3. The method of claim 2, wherein a bit state of the first field belongs to a first set of bit states, and wherein the second field is used to indicate an activation/deactivation status of a set of RS resources with one resource type set to semi-persistent; the bit state of the first field belongs to a second bit state set, and the third field or a part of bits of the third field are used for indicating the activation/deactivation state of an RS resource set with one or more resource types set to be aperiodic; or the like, or a combination thereof,

the bit state of the first field belongs to a second bit state set, and the third field or a part of bits of the third field are used for indicating the activation/deactivation state of a plurality of RS resource sets with non-periodic resource type setting and semi-continuous resource type setting.

4. The method of claim 1, wherein the first indication information comprises a first field and a second field, a bit state of the first field being associated with the second field;

the first field is used for indicating an ID of an RS resource set group, and the second field is used for indicating an activation/deactivation status of one or more RS resource sets in the RS resource set group.

5. The method of claim 1, wherein the first indication information comprises a first field and a second field, a bit state of the first field being associated with the second field;

the first field is used for indicating the port number, the second field is used for indicating the activation/deactivation state of one or more RS resource sets, and the RS resources contained in the one or more RS resource sets are all composed of the RS ports with the port number.

6. The method of claim 1, wherein the first indication information comprises a first field and a second field;

the first field is used for indicating the activation/deactivation state of one or more RS resource sets with resource types set to be semi-continuous;

the second field is for indicating an activation/deactivation state of one or more RS resource sets whose resource types are set to aperiodic.

7. The method of any one of claims 1-6, wherein the first indication information is determined by a Media Access Control (MAC) subheader of any one of:

the logical channel identifies the code point of the LCID or the MAC subheader with the index of 50;

a MAC subheader with code point of the enhanced logical channel identifier etlcid of 248 and index of 312;

the code point of the LCID is greater than 255 and/or the index is greater than 319 of the MAC subheader.

8. A method of communication, comprising:

acquiring first indication information, wherein the first indication information is used for indicating an activation/deactivation state of one or more Reference Signal (RS) resources, and the activation/deactivation state of the one or more RS resources is any one of the following states:

n RS resources are activated in the one or more RS resources, and M RS resources except the N RS resources are not activated;

among the one or more RS resources, N RS resources are activated, and M RS resources except the N RS resources are deactivated;

in the one or more RS resources, N RS resources are deactivated, and M RS resources except the N RS resources are not deactivated; n, M is a natural number;

9. The method of claim 8,

the first indication information is used for indicating that N RS resources are activated in one or more RS resources, and M RS resources except the N RS resources are not activated, and the controlling of RS transmission according to the first indication information comprises:

according to the first indication information, RS is sent on the N RS resources; or the like, or a combination thereof,

the first indication information is used for indicating that N RS resources are activated and M RS resources except the N RS resources are deactivated in one or more RS resources, and the controlling of RS transmission according to the first indication information comprises:

according to the first indication information, sending RSs on the N RS resources, and stopping sending RSs corresponding to the M RS resources; or the like, or a combination thereof,

the first indication information is used to indicate that N RS resources are deactivated and M RS resources other than the N RS resources are not deactivated, and the controlling RS transmission according to the first indication information includes:

and stopping sending the RS corresponding to the N RS resources.

10. The method of claim 8 or 9, wherein the one or more RS resources are included in one set of RS resources, a resource type of the one set of RS resources is set to be semi-persistent; or the like, or, alternatively,

the one or more RS resources are contained in one or more RS resource sets, and resource types of the one or more RS resource sets are set to be aperiodic;

11. The method of any of claims 8-10, wherein any of the N RS resources consists of a first number of RS ports.

12. The method of any one of claims 8-11, wherein the first indication information comprises L bits, different ones of the L bits are associated with different ones of the one or more RS resources, and one of the L bits is used to indicate an activation/deactivation status of the RS resource associated with the bit, wherein L is a positive integer.

13. The method of claim 12, wherein an association relationship between the L bits and the one or more RS resources is determined according to an RS resource ID of the RS resource and/or an RS resource set ID corresponding to the RS resource.

14. The method of claim 13, wherein the RS resource set ID corresponding to the RS resource associated with the ith bit of the L bits is smaller than the RS resource set ID corresponding to the RS resource associated with the (i + 1) th bit; or the like, or, alternatively,

the RS resource ID of the RS resource related to the ith bit in the L bits is less than the RS resource ID of the RS resource related to the (i + 1) th bit;

wherein i is more than or equal to 1 and less than L, and i is an integer.

15. The method of claim 13, wherein the RS resource set ID corresponding to the RS resource associated with the ith bit of the L bits is larger than the RS resource set ID corresponding to the RS resource associated with the (i + 1) th bit; or the like, or, alternatively,

the RS resource ID of the RS resource associated with the ith bit in the L bits is larger than the RS resource ID of the RS resource associated with the (i + 1) th bit;

wherein i is more than or equal to 1 and less than L, and i is an integer.

16. The method of any of claims 12-15, wherein an RS resource set ID of a set of RS resources with resource type set to semi-persistent RS resources is smaller than an RS resource set ID of a set of RS resources with resource type set to aperiodic RS resources.

17. The method of any one of claims 12-15, wherein a first O bits of the L bits are used for indicating an activation/deactivation state of an RS resource with a resource type set to semi-persistent, and a last P bits are used for indicating an activation/deactivation state of an RS resource with a resource type set to aperiodic, and the O and the P are natural numbers.

18. The method of any one of claims 8-11, wherein the first indication information comprises a first field and a second field, a bit state of the first field being associated with the second field;

the first field is used for indicating the port number, and the second field is used for indicating the activation/deactivation state of the RS resources composed of the RS ports of the port number in the one or more RS resource sets.

19. The method of claim 18, wherein the first field comprises M bits, different ones of the M bits being associated with the one or more sets of RS resources; alternatively, the first and second electrodes may be,

the first field includes M bits therein, different ones of the M bits being associated with the one or more RS resources.

20. The method of any of claims 8-19, wherein the first indication information is determined by a medium access control, MAC, subheader of any of:

the logical channel identifies the code point of LCID or MAC subheader with index of 50;

21. A method of communication, comprising:

generating first indication information, wherein the first indication information is used for indicating activation/deactivation states of one or more Reference Signal (RS) resource sets, and the activation/deactivation states of the one or more RS resource sets are any one of the following:

and sending the first indication information.

22. The method of claim 21, wherein the first indication information comprises a first field;

23. The method of claim 22, wherein a bit state of the first field belongs to a first set of bit states, and wherein the second field is used to indicate an activation/deactivation status of a set of RS resources with one resource type set to semi-persistent;

24. The method of claim 21, wherein the first indication information comprises a first field and a second field, a bit state of the first field being associated with the second field;

25. The method of claim 21, wherein the first indication information comprises a first field and a second field, a bit state of the first field being associated with the second field;

26. The method of claim 21, wherein the first indication information comprises a first field and a second field;

27. The method of any of claims 21-26, wherein the first indication information is determined by a medium access control, MAC, subheader of any of:

28. A method of communication, comprising:

generating first indication information, wherein the first indication information is used for indicating an activation/deactivation state of one or more Reference Signal (RS) resources, and the activation/deactivation state of the one or more RS resources is any one of the following states:

and sending the first indication information.

29. The method of claim 28, wherein the one or more RS resources are included in one RS resource set, a resource type of the one RS resource set being set to semi-persistent; or the like, or, alternatively,

30. The method of claim 28 or 29, wherein any of the N RS resources consists of a first number of RS ports.

31. The method of any one of claims 28-30, wherein the first indication information comprises L bits, different ones of the L bits are associated with different ones of the one or more RS resources, and one of the L bits is used to indicate an activation/deactivation status of the RS resource associated with the bit, wherein L is a positive integer.

32. The method of claim 31, wherein the association relationship between the L bits and the one or more RS resources is determined according to an RS resource ID of the RS resource and/or an RS resource set ID corresponding to the RS resource.

33. The method of claim 32, wherein a RS resource set ID corresponding to an RS resource associated with an ith bit of the L bits is smaller than a RS resource set ID corresponding to an RS resource associated with an i +1 th bit; or the like, or, alternatively,

wherein i is more than or equal to 1 and less than L, and i is an integer.

34. The method of claim 32, wherein the RS resource set ID corresponding to the RS resource associated with the ith bit of the L bits is larger than the RS resource set ID corresponding to the RS resource associated with the (i + 1) th bit; or the like, or, alternatively,

wherein i is more than or equal to 1 and less than L, and i is an integer.

35. The method of any of claims 31-34, wherein an RS resource set ID of an RS resource set with resource type set as semi-persistent RS resource is smaller than an RS resource set ID of an RS resource set with resource type set as aperiodic RS resource.

36. The method of any one of claims 31-34, wherein first O bits of the L bits are used to indicate an activation/deactivation state of an RS resource with a resource type set to semi-persistent, and last P bits are used to indicate an activation/deactivation state of an RS resource with a resource type set to aperiodic, wherein O and P are natural numbers.

37. The method of any one of claims 28-30, wherein the first indication information comprises a first field and a second field, a bit state of the first field being associated with the second field;

38. The method of claim 37, wherein the first field comprises M bits, different ones of the M bits being associated with the one or more sets of RS resources; alternatively, the first and second electrodes may be,

39. The method of any one of claims 28-38, wherein the first indication information is determined by a medium access control, MAC, subheader of any one of:

40. A communications apparatus, comprising means for performing the method of any of claims 1-7 or 8-20.

41. A communications apparatus comprising means for performing the method of any of claims 21-27 or 28-39.

42. A communications apparatus, comprising a processor configured to perform the method of any of claims 1-7 or 8-20.

43. A communications apparatus, comprising a processor configured to perform the method of any of claims 21-27 or 28-39.

44. A computer program product comprising program code which, when executed, causes the method of any one of claims 1-7 or 8-20 to be carried out.

45. A computer program product comprising program code which, when executed, causes the method of any of claims 21-27 or 28-39 to be carried out.

46. A computer-readable storage medium, in which a computer program or instructions is stored which, when executed by a communication device, implements the method of any one of claims 1-7 or 8-20.

47. A computer-readable storage medium, in which a computer program or instructions are stored which, when executed by a communication device, implement the method of any one of claims 21-27 or 28-39.