Communication method and device, terminal equipment and network equipment

Abstract

The invention discloses a communication method and device, terminal equipment and network equipment, and relates to the technical field of communication. SRS transmission in a new communication scene may be different from SRS transmission in a traditional communication scene, so that one uplink carrier corresponds to one or more TPC commands, the TPC commands correspond to accumulated TPC command values and / or absolute TPC command values, and at least one SRS resource set is associated with an SRS power control adjustment state. And the at least one SRS resource set corresponds to the accumulated TPC command value and / or the absolute TPC command value, so that the SRS transmission is enhanced, a new communication scene is adapted through the enhancement of the SRS transmission, and the uplink transmission performance and reliability in the new communication scene are ensured.

Description

Technical Field

[0001] This application relates to the field of communication technologies, and in particular, to a communication method and apparatus, a terminal device, and a network device. Background Art

[0002] The standard protocol specified by the 3rd Generation Partnership Project (3GPP) introduces the transmission of sounding reference signals (SRS). Uplink power control can be used to determine the transmission power of SRS transmissions to ensure the performance of the network device receiving the SRS.

[0003] In traditional communication scenarios, it is usually a single network device communicating with a terminal device. However, as the communication process becomes more complex and refined, 3GPP may discuss new communication scenarios where multiple network devices communicate with a terminal device simultaneously, such as multiple-transmission and reception point (M-TRP), multiple-downlink control information based M-TRP (M-DCI based M-TRP), single DCI based M-TRP (S-DCI based M-TRP), etc. This leads to the possibility that SRS transmissions in the new communication scenarios may be different from those in traditional communication scenarios. Therefore, how to enhance SRS transmissions to ensure uplink transmission performance and reliability in the new communication scenarios still requires further research. Summary of the Invention

[0004] This application provides a communication method and apparatus, a terminal device, and a network device, aiming to solve the problem of enhancing SRS transmissions and ensuring uplink transmission performance and reliability.

[0005] In a first aspect, a communication method of this application includes:

[0006] Obtain at least one SRS resource set, and obtain one or more transmission power control (TPC) commands corresponding to an uplink carrier for transmitting SRS;

[0007] The TPC command corresponds to a TPC command value and / or an absolute TPC command value;

[0008] The at least one SRS resource set is associated with an SRS power control adjustment state, and the at least one SRS resource set corresponds to an accumulated TPC command value and / or an absolute TPC command value.

[0009] It can be seen that since the SRS transmission in the new communication scenario may be different from that in the traditional communication scenario, this embodiment can enhance the SRS transmission by corresponding one uplink carrier to one or more TPC commands, and corresponding the TPC command to the cumulative TPC command value and / or the absolute TPC command value, so as to adapt to the new communication scenario through the enhancement of the SRS transmission and ensure the uplink transmission performance and reliability in the new communication scenario.

[0010] In a second aspect, a communication method according to the present application includes:

[0011] Sending information for configuring at least one SRS resource set, and sending one or more transmission power control TPC commands corresponding to one uplink carrier for transmitting SRS;

[0012] The TPC command corresponds to the cumulative TPC command value and / or the absolute TPC command value;

[0013] The at least one SRS resource set is associated with the SRS power control adjustment state, and the at least one SRS resource set corresponds to the cumulative TPC command value and / or the absolute TPC command value.

[0014] In a third aspect, a communication device according to the present application includes:

[0015] An acquisition unit, configured to acquire at least one SRS resource set, and acquire one or more transmission power control TPC commands corresponding to one uplink carrier for transmitting SRS;

[0016] The TPC command corresponds to the cumulative TPC command value and / or the absolute TPC command value;

[0017] The at least one SRS resource set is associated with the SRS power control adjustment state, and the at least one SRS resource set corresponds to the cumulative TPC command value and / or the absolute TPC command value.

[0018] In a fourth aspect, a communication device according to the present application includes:

[0019] A sending unit, configured to send information for configuring at least one SRS resource set, and send one or more transmission power control TPC commands corresponding to one uplink carrier for transmitting SRS;

[0020] The TPC command corresponds to the cumulative TPC command value and / or the absolute TPC command value;

[0021] The at least one SRS resource set is associated with the SRS power control adjustment state, and the at least one SRS resource set corresponds to the cumulative TPC command value and / or the absolute TPC command value.

[0022] In a fifth aspect, the steps in the method designed in the first aspect above are applied to a terminal device or within a terminal device.

[0023] In a sixth aspect, the steps in the method designed in the second aspect above are applied to a network device or within a network device.

[0024] In a seventh aspect, a terminal device of the present application includes a processor, a memory, and a computer program or instruction stored on the memory. Wherein, the processor executes the computer program or instruction to implement the steps in the method designed in the first aspect above.

[0025] In an eighth aspect, a network device of the present application includes a processor, a memory, and a computer program or instruction stored on the memory. Wherein, the processor executes the computer program or instruction to implement the steps in the method designed in the second aspect above.

[0026] In a ninth aspect, a chip of the present application includes a processor. Wherein, the processor executes the steps in the method designed in the first aspect or the second aspect above.

[0027] Optionally, the chip further includes a communication interface, and the processor executes the sending step and / or the receiving step in the method designed in the first aspect or the second aspect above through the communication interface.

[0028] In a tenth aspect, a chip module of the present application includes a chip, and the chip includes a processor. Wherein, the processor executes the steps in the method designed in the first aspect or the second aspect above.

[0029] Optionally, the chip module further includes a transceiver component, and the processor executes the sending step and / or the receiving step in the method designed in the first aspect or the second aspect above through the transceiver component.

[0030] In an eleventh aspect, a computer-readable storage medium of the present application stores a computer program or instruction, and when the computer program or instruction is executed, the steps in the method designed in the first aspect or the second aspect above are implemented. For example, the computer program or instruction is executed by a processor.

[0031] In a twelfth aspect, a computer program product of the present application includes a computer program or instruction, and when the computer program or instruction is executed, the steps in the method designed in the first aspect or the second aspect above are executed. For example, the computer program or instruction is executed by a processor.

[0032] In a thirteenth aspect, a communication system according to the present application includes a communication device (e.g., a terminal device or a chip) for performing any one of the methods provided in the first aspect, and / or includes a communication device (e.g., a network device or a chip) for performing any one of the methods provided in the second aspect.

[0033] In a fourteenth aspect, a communication system according to the present application includes the terminal device provided in the seventh aspect, and / or the network device provided in the eighth aspect.

[0034] For the beneficial effects brought by the technical solutions in the second aspect to the fourteenth aspect, reference may be made to the technical effects brought by the technical solution in the first aspect, which will not be elaborated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0036] Figure 1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present application;

[0037] Figure 2 is a schematic diagram of a communication scenario according to an embodiment of the present application;

[0038] Figure 3 is a schematic flowchart of a communication method according to an embodiment of the present application;

[0039] Figure 4 is a block diagram of the functional units of a communication device according to an embodiment of the present application;

[0040] Figure 5 is a block diagram of the functional units of another communication device according to an embodiment of the present application;

[0041] Figure 6 is a schematic diagram of the structure of a terminal device according to an embodiment of the present application;

[0042] Figure 7 is a schematic diagram of the structure of a network device according to an embodiment of the present application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0043] It should be understood that the terms "first", "second", etc. involved in the embodiments of the present application are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, software, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may further include unlisted steps or units, or may further include other steps or units inherent to these processes, methods, products, or devices.

[0044] In the embodiments of the present application, the term "embodiment" means that the specific features, structures, or characteristics described in connection with the embodiments may be included in at least one embodiment of the present application. The occurrence of this phrase at various positions in the specification does not necessarily refer to the same embodiment, nor are they independent or alternative embodiments mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein may be combined with other embodiments.

[0045] The "and / or" in the embodiments of the present application describes the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent the following three situations: A exists alone; both A and B exist simultaneously; B exists alone. Among them, A and B can be singular or plural.

[0046] In the embodiments of the present application, the symbol " / " can indicate that the associated objects before and after are in an "or" relationship. Of course, the symbol " / " can also indicate that the associated objects before and after are in an "and" relationship. For example, A / B can represent the following seven situations: A, B, A and B. Each of A and B can be an element or a set containing one or more elements.

[0047] The "at least one (item)" or its similar expressions in the embodiments of the present application refer to any combination of these items, including any combination of single item (s) or plural item (s), which means one or more, and multiple means two or more. For example, at least one (item) of a, b, or c can represent the following seven situations: a, b, c, a and b, a and c, b and c, a, b, and c. Each of a, b, and c can be an element or a set containing one or more elements.

[0048] The "equal to" in the embodiments of the present application can be used in combination with "greater than", applicable to the technical solutions adopted when it is greater than, and can also be used in combination with "less than", applicable to the technical solutions adopted when it is less than. When "equal to" is used in combination with "greater than", it is not used in combination with "less than"; when "equal to" is used in combination with "less than", it is not used in combination with "greater than".

[0049] In the embodiments of the present application, the terms "of", "corresponding / relevant / related", "corresponding", "indicated", "associated", etc. may sometimes be used interchangeably with each other.

[0050] In the embodiments of the present application, the terms "associated with", "corresponding to", "corresponding to", "is", "of", "for", "belonging to", "as", "regarded as", etc. may sometimes be used interchangeably with each other.

[0051] In the embodiments of the present application, "connection" refers to various connection methods such as direct connection or indirect connection to achieve communication between devices, and no specific limitation is imposed thereon.

[0052] In the embodiments of the present application, "network" can be expressed as the same concept as "system", and a communication system is a communication network.

[0053] The relevant content, concepts, meanings, technical problems, technical solutions, and beneficial effects involved in the embodiments of the present application will be described below.

[0054] I. Communication System

[0055]

Communication System

[0056] The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced Long Term Evolution (LTE-A) system, New Radio (NR) system, evolved system of the NR system, LTE-based Access to Unlicensed Spectrum (LTE-U) system, NR-based Access to Unlicensed Spectrum (NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (Wi-Fi), 6th-Generation (6G) communication system, or other communication systems, etc.

[0057] It should be noted that the traditional communication system has a limited number of supported connections and is easy to implement. However, with the development of communication technologies, the communication system can not only support the traditional communication system, but also support, for example, device-to-device (D2D) communication, machine-to-machine (M2M) communication, machine type communication (MTC), vehicle-to-vehicle (V2V) communication, vehicle-to-everything (V2X) communication, narrow band internet of things (NB-IoT) communication, etc. Therefore, the technical solution of the embodiment of the present application can also be applied to the above communication systems.

[0058] In addition, the technical solution of the embodiment of the present application can be applied to scenarios such as beamforming, carrier aggregation (CA), dual connectivity (DC), or standalone (SA) deployment.

[0059] In the embodiment of the present application, the spectrum used for communication between the terminal device and the network device can be an authorized frequency band or an unauthorized frequency band, and no limitation is made thereto. Additionally, the unauthorized frequency band can be understood as a shared frequency band, and the authorized spectrum can be understood as a non-shared frequency band.

[0060] Since the embodiments of the present application describe each embodiment in combination with the terminal device and the network device, the terminal device and the network device involved will be specifically described below.

[0061]

Terminal Device

[0062] The terminal device can be a device with transceiver functions, and can also be referred to as a terminal, user equipment (UE), remote terminal device (remote UE), relay device (relay UE), access terminal device, user unit, user station, mobile station, mobile unit, remote station, mobile device, user terminal device, intelligent terminal device, wireless communication device, user agent, or user device. It should be noted that a relay device is a terminal device that can provide relay forwarding services for other terminal devices (including remote terminal devices).

[0063] For example, the terminal device may be a mobile phone, a tablet computer (Pad), a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in unmanned autonomous driving, a wireless terminal device in remote medical treatment, a wireless terminal device in smart grid, a wireless terminal device in transportation safety, a wireless terminal device in smart city or a wireless terminal device in smart home, etc.

[0064] For another example, the terminal device may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device with wireless communication function, a computing device or other processing devices connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a next-generation communication system (such as an NR communication system, a 6G communication system) or a terminal device in a future evolved public land mobile network (PLMN), etc., and no specific limitation is made thereto.

[0065] Optionally, the terminal device may be deployed on land, including indoors or outdoors, handheld, wearable or vehicle-mounted; it may be deployed on water (such as a ship, etc.); it may be deployed in the air (such as an airplane, a balloon, a satellite, etc.).

[0066] Optionally, the terminal device may include a device with wireless communication function, such as a chip system, a chip, a chip module. By way of example, the chip system may include a chip and may also include other discrete devices.

[0067] Optionally, the terminal device may be a chip, a chip module, a device, a unit, etc., and no specific limitation is made thereto.

[0068]

Network device

[0069] The network device may be a device with transceiver function and may be used for communication with the terminal device.

[0070] Optionally, the network device may be responsible for radio resource management (RRM) on the air interface side, quality of service (QoS) management, data compression and encryption, data transmission and reception, etc.

[0071] Optionally, the network device may include a base station (BS) in a communication system or a device deployed in a radio access network (RAN) for providing wireless communication functions, that is, the network device may include devices in the RAN.

[0072] For example, the devices in the RAN may include an evolved Node B (eNB or eNodeB) in an LTE communication system, a next-generation evolved Node B (ng-eNB) in an NR communication system, a next-generation Node B (gNB) in an NR communication system, a master node (MN) in a dual-connection architecture, a second node or secondary node (SN) in a dual-connection architecture, etc., and no specific limitation is made thereto.

[0073] Optionally, the network device may include devices in a core network (CN).

[0074] For example, the devices in the CN may include an access and mobility management function (AMF), a user plane function (UPF), a session management function (SMF), etc.

[0075] Optionally, the network device may also be an access point (AP) in a WLAN, a relay station, a communication device in a future evolved PLMN network, a communication device in an NTN network, etc.

[0076] Optionally, the network device may include a device having a function of providing wireless communication for a terminal device, such as a chip system, a chip, a chip module. By way of example, the chip system may include a chip, or may include other discrete devices.

[0077] Optionally, the network device may include a transmission and reception point (TRP). For example, the TRP is a part of the gNB. The TPR may send radio signals to the terminal device or receive radio signals from the terminal device according to inherent physical layer attributes and parameters.

[0078] Optionally, the network device may communicate with an Internet Protocol (IP) network. For example, the Internet, a private IP network, or other data networks, etc.

[0079] Optionally, the network device may include an independent node to implement the functions of the above base station, or may include two or more independent nodes to implement the functions of the above base station. For example, the network device includes a centralized unit (CU) and a distributed unit (DU), such as gNB-CU and gNB-DU. Further, in some other embodiments of the present application, the network device may further include an active antenna unit (AAU). Among them, the CU implements a part of the functions of the network device, and the DU implements another part of the functions of the network device. For example, the CU is responsible for processing non-real-time protocols and services, and implementing the functions of the radio resource control (RRC) layer, the service data adaptation protocol (SDAP) layer, and the packet data convergence protocol (PDCP) layer. The DU is responsible for processing physical layer protocols and real-time services, and implementing the functions of the radio link control (RLC) layer, the medium access control (MAC) layer, and the physical (PHY) layer. In addition, the AAU may implement some physical layer processing functions, radio frequency processing, and functions related to active antennas. Since the information of the RRC layer will ultimately become the information of the PHY layer, or is transformed from the information of the PHY layer, therefore, in this network deployment, high-layer signaling (such as RRC signaling) can be considered to be generated by the CU and sent by the DU, or sent jointly by the DU and the AAU. It can be understood that the network device may include at least one of the CU, DU, and AAU. In addition, the CU may be classified as a RAN device, or the CU may also be classified as a core network device, and no specific limitation is made thereto.

[0080] Optionally, the network device may be any site in a multi-site that performs coherent joint transmission (CJT) with the terminal device, or another site outside the multi-site, or another network device that communicates with the terminal device over the network, without specific limitation thereto. Among them, the multi-site coherent joint transmission may be joint coherent transmission by multiple sites, or different data belonging to the same physical downlink shared channel (PDSCH) are sent from different sites to the terminal device, or multiple sites are virtualized into one site for transmission. Names with the same meaning specified in other standards are also applicable to this application, that is, this application does not limit the names of these parameters. The sites in the multi-site coherent joint transmission may be Remote Radio Heads (RRHs), Transmission and Reception Points (TRPs), etc., without specific limitation thereto.

[0081] Optionally, the network device may be any site in a multi-site that performs non-coherent joint transmission (NCJT) with the terminal device, or another site outside the multi-site, or another network device that communicates with the terminal device over the network, without specific limitation thereto. Among them, the multi-site non-coherent joint transmission may be joint non-coherent transmission by multiple sites, or different data belonging to the same PDSCH are sent from different sites to the terminal device. Names with the same meaning specified in other standards are also applicable to this application, that is, this application does not limit the names of these parameters. The sites in the multi-site non-coherent joint transmission may be RRHs, TRPs, etc., without specific limitation thereto. The transmission scheme for multiple TRPs may include a single-downlink control information based M-TRP (S-DCI based M-TRP) transmission scheme or a multiple-downlink control information based M-TRP (M-DCI based M-TRP) transmission scheme.

[0082] The S-DCI based M-TRP can be embodied as that one DCI can indicate multiple transmission configuration indicator (TCI) states, or one DCI can include multiple sounding reference signal resource indicator (SRI) fields, etc. Of course, the S-DCI based M-TRP can also be embodied by other concepts / parameters, and no specific limitation is made thereto.

[0083] The M-DCI based M-TRP can be embodied as that the network configures the values of multiple control resource set pool indexes (control resource set pool index, CORESET pool index, hereinafter referred to as CORESETPoolIndex), such as CORESETPoolIndex = 0, CORESETPoolIndex = 1. Of course, the M-DCI based M-TRP can be embodied by other concepts / parameters, and no specific limitation is made thereto.

[0084] It should be noted that the TRP of this application is not limited to the CJT or NCJT scenarios, and can also be applicable to other scenarios, and no specific limitation is made thereto.

[0085] In some possible implementations, the TRP can be a functional module (for example: implemented by software functions), or can be implemented by hardware, and no specific limitation is made thereto.

[0086] In some possible implementations, the TRP can be characterized by parameters such as TCI state, sounding reference signal (SRS) resource, SRS resource set, spatial information, spatial relation, control resource set pool index (CORESETPoolIndex), timing advance group (TAG) identifier (ID), SRI, and the value of the TCI selection field.

[0087] That is to say, parameters such as TCI state, SRS resource, SRS resource set, spatial information, CORESETPoolIndex, TAG ID, and SRI can also characterize the TRP.

[0088] In some possible implementations, the TRP may be associated with spatial domain information or null direction (e.g., a beam or a set of beams); alternatively, the TRP may be characterized by spatial domain information or null direction (e.g., a beam or a set of beams); alternatively, the TRP may be characterized by power control parameters.

[0089] In some possible implementations, the TRP may be characterized by a network node, a radio head, etc.

[0090] In some possible implementations, the TRP may use multiple TCI states.

[0091] In some possible implementations, in multi-TRP (multiple TRP) operation, the serving cell may schedule the terminal device from two TRPs, thereby providing better Physical Downlink Shared Channel (PDSCH) coverage, reliability, and / or data rate. There are two different operation modes for multi-TRP: S-DCI and M-DCI. For both modes, the control of uplink and downlink operations is completed by the physical layer and Media Access Control (MAC). In the S-DCI mode, the terminal device is scheduled by the same DCI of two TRPs, while in the M-DCI mode, the terminal device is scheduled by independent DCIs from each TRP.

[0092] In some possible implementations, a set of transmission points (TPs) may be a set of geographically co-located transmit antennas for a cell, a part of a cell, or a positioning reference signal. For example, an antenna array (with one or more antenna elements), PRS-only TP. The TP may include base station (eNB) antennas, remote radio heads (RRHs), remote antennas of the base station, antennas of PRS-only TPs, etc. A cell may be composed of one or more TPs. For homogeneous deployment, each TP may correspond to a cell.

[0093] In some possible implementations, a set of TRPs may be characterized by a set of geographically co-located antennas, for example, an antenna array (with one or more antenna elements), supporting TP and / or receive point (RP) functions.

[0094] It should be noted that the descriptions given in this embodiment focus on 3GPP cellular communication systems. Therefore, 3GPP terms or terms similar to 3GPP terms are often used. However, the concepts disclosed in this embodiment are not limited to 3GPP systems.

[0095] Optionally, the network device may have mobility characteristics. For example, the network device may be a mobile device. Optionally, the network device may be a satellite or a balloon station. For example, the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a high elliptical orbit (HEO) satellite, etc. Optionally, the network device may also be a base station located on land, water, etc.

[0096] Optionally, the network device may provide services to a cell, and the terminal device in the cell may communicate with the network device through transmission resources (such as spectrum resources). Among them, the cell may be a macro cell, a small cell, a metro cell, a micro cell, a pico cell, a femto cell, etc.

[0097] Optionally, the network device may be a chip, a chip module, a device, a unit, etc., and no specific limitation is made thereto.

[0098] 4. Example Explanation

[0099] An exemplary explanation of the communication system according to the embodiment of the present application will be given below.

[0100] Exemplarily, for the network architecture of a communication system according to an embodiment of the present application, reference may be made to Figure 1 . As Figure 1 shown, the communication system 10 may include a network device 110 and a terminal device 120. The terminal device 120 may communicate with the network device 110 wirelessly.

[0101] Figure 1 This is only an example illustration of the network architecture of a communication system, and does not limit the network architecture of the communication system according to the embodiment of the present application.

[0102] For example, the communication system 10 may further include a server or other devices.

[0103] For another example, in addition to the network device 110, the communication system 10 may include other network devices.

[0104] For another example, in addition to the terminal device 120, the communication system 10 may include other terminal devices.

[0105] II. Enhancement of SRS Transmission

[0106] 1. Description

[0107] In traditional communication scenarios, usually a single network device communicates with a terminal device. As the communication process becomes more complex and refined, 3GPP may discuss new communication scenarios where multiple network devices communicate with a terminal device simultaneously. In new communication scenarios (such as M-TRP, M-DCI based M-TRP, S-DCI based M-TRP, etc.), multiple network devices may communicate with a terminal device simultaneously, which may result in differences in SRS transmission in new communication scenarios compared to traditional communication scenarios.

[0108] For example, for Figure 2 the shown communication scenario: the downlink is S-TRP transmission (i.e., only one TRP participates in the downlink), and the uplink is M-TRP transmission (i.e., one or more TRPs participate in the uplink). Among them, TRP 201 has the ability to send both uplink and downlink, TRP 202 has the ability to send uplink, TRP 203 has the ability to send uplink, and TRP 204 has the ability to send downlink. The uplink may include sending uplink data and uplink reference signals (such as SRS), etc. These uplink data or uplink reference signals can be carried on the physical uplink shared channel (PUSCH) or the physical uplink control channel (PUCCH). The downlink may include sending downlink data and downlink reference signals (such as CSI-RS), etc. These downlink data or downlink reference signals can be carried on the physical downlink shared channel (PDSCH) or the physical downlink control channel (PDCCH).

[0109] In Figure 2 Case 1, TRP 201 can send downlink to the terminal device, and the terminal device can send uplink to TRP 201 and TRP 202; in Figure 2 Case 2, TRP 201 can send downlink to the terminal device, and the terminal device can send uplink to TRP 202 and TRP 203; in Figure 2 Case 3, TRP 201 can send downlink to the terminal device, and the terminal device can send uplink to TRP 201; in Figure 2 Case 4, TRP 201 can send downlink to the terminal device, and the terminal device can send uplink to TRP 202; in Figure 2In Case 5, TRP 204 can send downlink to the terminal device, and the terminal device can send uplink to TRP 202 and TRP 203.

[0110] Of course, for the communication scenario of M-TRP, the M-TRP of this embodiment can not only meet various rate requirements of the uplink rate, but also reduce the network deployment cost. For example, compared with the current situation where each TRP needs to support the capabilities of uplink transmission and downlink transmission with the terminal device, when a large uplink rate is required for M-TRP transmission in this embodiment, it can be considered that only a part of the TRPs (such as Figure 2 TRP 201 in Figure 2 support the capabilities of uplink and downlink transmission with the terminal device, while another part of the TRPs (such as

[0111] TRP 202 and TPR 203 in

[0112] only support the capability of uplink transmission with the terminal device, which is conducive to saving the network deployment cost. Based on this, this application hopes to adapt to the new communication scenario by enhancing the SRS transmission to ensure the uplink transmission performance and reliability in the new communication scenario.

[0113] 2. SRS

[0114]

SRS

[0115] SRS is an important uplink reference signal in a communication system and is widely used in various functions in a communication system (such as a 5G NR system). For example, it is used for uplink channel estimation; for the terminal device detection process for obtaining channel state information (CSI) in the downlink; for uplink beam management; for positioning functions; for cooperating with codebook-based uplink transmission, such as frequency domain scheduling and determination of Rank / precoding matrix indicator (PMI) / modulation coding scheme (MCS); for cooperating with non-codebook-based uplink transmission, such as frequency domain scheduling and determination of sounding reference signal resource indicator (SRI) / MCS; and so on.

[0116] SRS can support three different transmission modes: periodic, semi-persistent, and aperiodic.

[0117]

Periodic SRS

[0118] Periodic SRS refers to the periodic transmission of SRS, and its period and slot offset can be configured by higher-layer signaling (such as RRC signaling).

[0119] If the terminal device receives the relevant configuration information configured by higher-layer signaling, the terminal device sends SRS at a certain period according to the relevant configuration information until the relevant configuration information becomes invalid.

[0120] The spatial relation information of periodic SRS can also be configured by higher-layer signaling (such as RRC signaling or MAC signaling), and / or indicated by DCI. Among them, the spatial relation information is used to implicitly indicate the transmitted beam, and the spatial relation information can indicate the channel state information reference signal (CSI-RS), the synchronization signal and PBCH block (SSB), or SRS. Therefore, the terminal device can determine the transmission beam of the SRS resource according to the received beam of CSI-RS / SSB indicated by the spatial relation information, or determine the transmission beam of SRS according to the transmission beam of the reference SRS.

[0121]

Semi-persistent SRS

[0122] The period and slot offset of semi-persistent SRS can be configured by higher-layer signaling (such as RRC signaling), but its activation signaling and deactivation signaling can be carried by the control element of the media access control layer (MAC CE). Among them, the terminal device starts periodic transmission of SRS after receiving the activation signaling until it receives the deactivation signaling. At the same time, the spatial relation information of semi-persistent SRS is carried together with the MAC CE that activates SRS.

[0123] After the terminal device receives the period and slot offset configured by RRC signaling, it determines the time slot for transmitting SRS according to the following formula:

[0124]

[0125] Among them, Indicates the number of time slots within a system frame in subcarrier configuration μ, n f Indicates the system frame index number (system frame number, SFN), Indicates the time slot index number within a system frame in subcarrier configuration μ, T offset Indicates the time slot offset configured by higher layer signaling, T SRS Indicates the period configured by higher layer signaling.

[0126]

Aperiodic SRS

[0127] Aperiodic SRS refers to the transmission of SRS in an aperiodic manner.

[0128] The network device can trigger the aperiodic transmission of SRS through DCI. In addition, the triggering signaling for triggering the aperiodic SRS transmission can be carried by the DCI used to schedule the physical uplink shared channel (PUSCH) or PDSCH in the UE-specific search space, or can also be carried by the DCI format 2_3 in the common search space. Among them, DCI format 2_3 can not only be used to trigger the aperiodic SRS transmission, but can also be used to configure the transmit power control command (TPC command) for the SRS transmission on a group of UEs or a group of carriers at the same time. In addition, DCI format 2_3 can also carry a 2-bit SRS request to trigger the aperiodic transmission of SRS.

[0129] When the terminal device receives the aperiodic SRS triggering signaling (such as DCI), it performs aperiodic SRS transmission based on the SRS resource set indicated by the triggering signaling. Among them, the time slot offset between the triggering signaling and the aperiodic SRS transmission is configured by higher layer signaling (such as RRC signaling), and / or indicated / configured by DCI. At the same time, the network device pre-indicates the configuration parameters of the SRS resource set through higher layer signaling, including time-frequency resources, etc. In addition, for each SRS resource in the triggered SRS resource set, the terminal device can also determine the transmit beam used to transmit the corresponding SRS of the SRS resource through the spatial correlation information of the SRS resource, and the spatial correlation information can be configured for each SRS resource through RRC signaling and / or MAC signaling and / or DCI.

[0130]

SRS Resource

[0131] Higher-layer parameters (such as SRS-ResourceSet or SRS-PosResourceSet) can configure at least one SRS resource set for a terminal device. Each SRS resource set can include K (K≥1) SRS resources. The SRS resources can be configured by higher-layer parameters (such as SRS-Resource or SRS-PosResource), and the maximum value of K can be determined by the terminal device capability.

[0132] The applicability of the SRS resource set is configured by the usage in the higher-layer parameter SRS-ResourceSet.

[0133] An SRS resource can be configured by higher-layer parameters (such as SRS-Resource or SRS-PosResource), including:

[0134] 1) an SRS antenna port, and the SRS antenna port i in the SRS antenna ports has a port index number represented as That is to say, the higher-layer parameter (such as nrofSRS-Ports) configures the maximum number of SRS antenna ports included in the SRS resource as L, and the port index number of the SRS antenna port i (i∈{0,1,...,L-1}) in the L SRS antenna ports is represented as

[0135] For example, when is the case, for 5 SRS antenna ports, the port index number of SRS antenna port 0 is p 0 = 1000, the port index number of SRS antenna port 1 is p 1 = 1001, the port index number of SRS antenna port 2 is 1002, the port index number of SRS antenna port 3 is 1003, and the port index number of SRS antenna port 4 is 1004.

[0136] The maximum number of SRS antenna ports included in the SRS resource (i.e., the value of ) can be configured by higher-layer parameters (such as nrofSRS-Ports). If this higher-layer parameter is not configured, then In addition, when the SRS resource is in an SRS resource set where the higher-layer parameter (such as usage) is set to 'nonCodebook', or when the SRS resource is in a situation where the higher-layer parameter (such as usage) is set to "nonCodebook", p i = 1000 + i.

[0137] 2) A number of consecutive OFDM symbols. Among them, The value of is configured by a higher layer parameter.

[0138] For example, the field nrofSymbols in the higher layer parameter resourceMapping configures

[0139] 3) The time-domain starting position l of the SRS 0 Among them, The offset l offset ∈ {0, 1,..., 13} counts OFDM symbols backward from the end of the time slot, and is given by a higher layer parameter, and

[0140] For example, the field startPosition in the higher layer parameter resourceMapping configures l 0 .

[0141] 4) The frequency-domain starting position k of the SRS 0 .

[0142] 3. Uplink power control

[0143] Uplink power control can be used to determine the transmit power of SRS uplink transmission, so as to ensure the performance of receiving SRS by the network device with the minimum transmit power, and minimize the interference reaching the network device.

[0144] It should be noted that the SRS transmission occasion i (i represents the index of the SRS transmission occasion) can be defined by the first symbol S (S represents the symbol index) and L consecutive symbols in a time slot of a system frame (this system frame has a system frame number SFN) ( represents the time slot index).

[0145] If the terminal device uses the SRS power control adjustment state l (l represents the index of the SRS power control adjustment state) to transmit SRS on the active uplink bandwidth part (active ULBWP) b (b represents the index of the UL BWP) of the carrier f (f represents the index of the uplink carrier) in the serving cell c (c represents the index of the serving cell), then the SRS transmit power P of the terminal device at the SRS transmission occasion i SRS,b,f,c(i,q s ,l) is as follows:

[0146]

[0147] Among them, the meanings of each parameter are specifically described below.

[0148] P CMAX,f,c (i) represents the maximum output power configured for the terminal device in the SRS transmission occasion i of the carrier f in the serving cell c.

[0149] P O_SRS,b,f,c (q s ) represents the target reception power of the SRS resource set q in the SRS transmission occasion i of the active UL BWP b of the carrier f in the serving cell c, which can be configured by the parameter p0; s

[0150] q s represents the index of the SRS resource set, which can be configured by the parameter SRS-ResourceSet and / or the parameter SRS-ResourceSetId.

[0151] M SRS,b,f,c (i) is an SRS bandwidth, which represents the number of resource blocks (RBs) in the SRS transmission occasion i on the active UL BWP b of the carrier f in the serving cell c.

[0152] α SRS,b,f,c (q s ) is configured by the parameter alpha.

[0153] PL b,f,c (q d ) is the downlink path loss estimate calculated by the terminal device according to the reference signal (RS) q d (q d represents the index of the reference signal), and the reference signal q d can be an SSB or a CSI-RS, and the reference signal q d is associated with the SRS resource set q s . PL b,f,c (q d ) is in units of dB.

[0154] h b,f,c (i,l) represents the SRS power control adjustment state. h b,f,c (i,l) can be calculated according to the transmission power control command (TPC command).

[0155] Specifically, h b,f,c(i, l) can be calculated in an accumulated TPC command manner, as follows:

[0156]

[0157] Among them, δ SRS,b,f,c represents the accumulated TPC command value, which can be determined according to the accumulated δ in Table 1. SRS,b,f,c In Table 1, one TPC command corresponds to one accumulated TPC command value and / or one absolute TPC command value.

[0158] It should be noted that one TPC command corresponds to one accumulated TPC command value and / or one absolute TPC command value, which can be understood as the value of one TPC command corresponding to one accumulated TPC command value and / or one absolute TPC command value. For example, in Table 1, if the value of the TPC command is 0, the accumulated TPC command value is -1, and the absolute TPC command value is -4.

[0159] Table 1

[0160] TPC command field <![CDATA[Cumulative δ SRS,b,f,c [dB]]]> <![CDATA[Absolute δ SRS,b,f,c [dB]]]> 0 -1 -4 1 0 -1 2 1 1 3 3 4

[0161] represents the sum of the accumulated TPC command values in set S i (i.e., the accumulation of TPC command values), and set S i contains C(S i ) TPC command values;

[0162] C(S i ) TPC command values are the ones obtained between the previous K 0 (i - i SRS ) - 1 symbols before the SRS transmission opportunity i - i 0 and the previous K SRS (i) symbols before the SRS transmission opportunity i; i 0 > 0 is the smallest integer that satisfies the condition that the previous K 0 (i - i SRS ) symbols before the SRS transmission opportunity i - i 0 are earlier than the previous K SRS (i) symbols before the SRS transmission opportunity i.

[0163] Specifically, h b,f,c (i, l) can be calculated in an absolute TPC command manner, as follows:

[0164] h b,f,c (i, l) = δ SRS,b,f,c (i, l);

[0165] where, δ SRS,b,f,c represents the absolute TPC command value, which can be determined according to the absolute δ PUSCH,b,f,c in Table 1.

[0166] In summary, the SRS resource set q s is within the SRS transmission occasion i of the active UL BWP b of the serving cell c's carrier f, that is, the SRS resource set q s is associated with the serving cell c / carrier f / active UL BWP b, and the SRS resource set q s is associated with the SRS power control adjustment status l.

[0167] 4. Enhancement of DCI format 2_3

[0168]

Description

[0169] DCI format 2_3 is used to send a group of TPC commands for SRS transmission to one or more terminal devices. Together with a TPC command, an SRS request can also be sent.

[0170] The cyclic redundancy check (CRC) of DCI format 2_3 can be scrambled by the transmit power control - sounding reference symbols - radio network temporary identifier (TPC - SRS - RNTI). Among them, DCI format 2_3 can include the following information:

[0171] block number 1, block number 2,..., block number B;

[0172] where, the starting position of each block can be configured by a higher - layer parameter (such as startingBitOfFormat2 - 3); the value of B can be determined by the number of terminal devices; each terminal device, based on the higher - layer information, obtains the position of the block configured for itself, and then obtains its own block, and each terminal device can obtain one or more blocks.

[0173] If the higher - layer parameter srs - TPC - PDCCH - Group configured for the terminal device is of type A, then the terminal device will obtain one block in DCI format 2_3, and this one block includes the following fields:

[0174] SRS request, including 0 or 2 bits;

[0175] TPC command number 1, TPC command number 2, …, TPC command number N;

[0176] Wherein, the value of N can be determined by the number of serving cells / UL carriers, and each TPC command corresponds to one UL carrier (e.g., the UL carrier is provided by the high-layer parameter cc-IndexInOneCC-Set), that is, one UL carrier corresponds to one TPC command.

[0177] That is to say, for the high-layer parameter srs-TPC-PDCCH-Group being type A, the high-layer parameter (such as cc-SetIndex) configures the index of a set of serving cells, the index of each serving cell in the set of serving cells is configured by another high-layer parameter (such as cc-IndexInOneCC-Set), and DCI format 2_3 may include one TPC command corresponding to each serving cell in the set of serving cells, that is, one TPC command corresponds to each UL carrier, and may also include one SRS request for SRS transmission in the set of serving cells.

[0178] As described in the above "uplink power control", the set of serving cells includes serving cell c, serving cell c / carrier f corresponds to one TPC command, and the TPC command corresponds to δ SRS,b,f,c (i, l), δ SRs,b,f,c (i, l) is an accumulated TPC command value and / or an absolute TPC command value. At the same time, since the SRS resource set q s is associated with serving cell c / carrier f, so the SRS resource set q s corresponds to the TPC command, and the SRS resource set q s corresponds to an accumulated TPC command value and / or an absolute TPC command value.

[0179] If the high-layer parameter srs-TPC-PDCCH-Group configured by the terminal device is type B, the terminal device will obtain one or more blocks, and each block in the one or more blocks includes the following fields:

[0180] SRS request, including 0 or 2 bits;

[0181] TPC command, including 2 bits;

[0182] Among them, the high-layer parameter can indicate that each block corresponds to one uplink carrier. Since each block includes a TPC command, one uplink carrier corresponds to one TPC command.

[0183] That is to say, for the high-layer parameter srs-TPC-PDCCH-Group being type B, DCI format 2_3 can include one TPC command corresponding to one serving cell, that is, one uplink carrier corresponds to one TPC command, and can also include one SRS request for SRS transmission in this serving cell.

[0184]

Enhancement of DCI format 2_3

[0185] Since the traditional communication scenario is that a single network device communicates with a terminal device, in DCI format 2_3, regardless of whether the high-layer parameter srs-TPC-PDCCH-Group is type A or type B, one serving cell or uplink carrier only needs to correspond to one TPC command, and one TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value.

[0186] However, in the new communication scenario, multiple network devices may communicate with the terminal device simultaneously. At this time, one serving cell or uplink carrier corresponding to one TPC command may no longer be suitable for the new communication scenario, and it is necessary to enhance DCI format 2_3.

[0187] Based on this, in the “Enhancement of DCI format 2_3”, this embodiment considers that one serving cell or uplink carrier corresponds to multiple TPC commands, and each TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value.

[0188] It should be noted that each TPC command corresponding to one cumulative TPC command value and / or one absolute TPC command value can be understood as that the value of each TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value.

[0189] In this way, by increasing the number of TPC commands included in each block in DCI format 2_3, the enhancement of DCI format 2_3 is realized, so as to enhance SRS transmission by enhancing DCI format 2_3.

[0190] Next, this embodiment will specifically describe how to increase the number of TPC commands included in each block in DCI format 2_3 when the high-layer parameter srs-TPC-PDCCH-Group is type A and type B respectively.

[0191]

High-layer parameter srs-TPC-PDCCH-Group is type A

[0192] In the above case where the high-layer parameter srs-TPC-PDCCH-Group is type A, DCI format 2_3 includes at least one block, each block includes TPC command numbers 1, 2, …, N, and each TPC command corresponds to a serving cell / uplink carrier. At this time, one block includes one TPC command corresponding to one uplink carrier for transmitting SRS.

[0193] Different from the above situation where one block includes one TPC command corresponding to one uplink carrier, in order to increase the number of TPC commands included in one block, this embodiment considers enhanced DCI format 2_3, which includes at least one block, and at least one block includes multiple TPC commands corresponding to one serving cell / uplink carrier.

[0194] It should be noted that among all the uplink carriers supported by the terminal device, only a part of the uplink carriers may be M-TRP deployed, while the other part of the uplink carriers may be S-TRP deployed. Therefore, for the uplink carriers with M-TRP deployment, each of these uplink carriers may correspond to multiple TPC commands, and one TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value; for the uplink carriers with S-TRP deployment, each of these uplink carriers may correspond to one TPC command, and one TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value. Thus, in the block of the enhanced DCI format 2_3, there may be multiple TPC commands corresponding to one uplink carrier, or there may be one TPC command corresponding to one uplink carrier.

[0195] In addition, DCI format 2_3 is for one or more terminal devices, and DCI format 2_3 includes blocks corresponding to each of the multiple terminal devices, and each terminal device obtains the block configured for itself based on higher-layer information. Since some of the multiple terminal devices may support / are configured with the M-TRP scenario, while some other terminal devices do not support / are not configured with the M-TRP scenario, for the terminal devices that support / are configured with the M-TRP scenario, one serving cell / uplink carrier may correspond to multiple TPC commands. At this time, the blocks corresponding to these terminal devices may include multiple TPC commands corresponding to one serving cell / uplink carrier; for the terminal devices that do not support / are not configured with the M-TRP scenario, one serving cell / uplink carrier may correspond to one TPC command. At this time, the blocks corresponding to these terminal devices may include one TPC command corresponding to one serving cell / uplink carrier. That is to say, for the higher-layer parameter srs-TPC-PDCCH-Group being typeA, the enhanced DCI format 2_3 may include multiple TPC commands corresponding to at least one serving cell in the serving cell set, that is, at least one uplink carrier corresponds to multiple TPC commands, and may also include one SRS request for SRS transmission in the serving cell set.

[0196] Among them, the enhanced DCI format 2_3 includes multiple TPC commands corresponding to at least one serving cell in the serving cell set. It can be understood that the enhanced DCI format 2_3 includes multiple TPC commands corresponding to each serving cell in the serving cell set (that is, each uplink carrier corresponds to multiple TPC commands); or, the enhanced DCI format 2_3 includes multiple TPC commands corresponding to one or more serving cells in the serving cell set (that is, one or more uplink carriers correspond to multiple TPC commands), or one or more serving cells correspond to one TPC command (that is, one or more uplink carriers correspond to one TPC command).

[0197] It can be seen that for the higher-layer parameter srs-TPC-PDCCH-Group being typeA, the network device will send the enhanced DCI format 2_3, and this DCI format 2_3 includes at least one block, and at least one block includes multiple TPC commands corresponding to one serving cell / uplink carrier for transmitting SRS.

[0198] Correspondingly, the terminal device will obtain one block in this DCI format 2_3, and this one block includes multiple TPC commands corresponding to one serving cell / uplink carrier for transmitting SRS.

[0199] For example, the enhanced DCI format 2_3 includes the following information:

[0200] Block number 1, Block number 2, …, Block number B;

[0201] Among them, the enhanced DCI format 2_3 is for multiple terminal devices, and the enhanced DCI format 2_3 includes blocks corresponding to each of the multiple terminal devices, and each terminal device obtains the block configured for itself based on high-layer information. For terminal devices supporting / configured with the M-TRP scenario, the blocks corresponding to these terminal devices may include multiple TPC commands corresponding to one serving cell / uplink carrier; for terminal devices not supporting / not configured with the M-TRP scenario, the blocks corresponding to these terminal devices may include one TPC command corresponding to one serving cell / uplink carrier.

[0202] If the terminal device corresponding to Block number 1 does not support / is not configured with M-TRP and the high-layer parameter srs-TPC-PDCCH-Group configured for this terminal device is typeA, then Block number 1 includes the following fields:

[0203] SRS request, including 0 or 2 bits;

[0204] TPC command number 1, TPC command number 2, …, TPC command number N.

[0205] If the terminal device corresponding to Block number 2 supports / is configured with M-TRP, one serving cell / uplink carrier corresponds to two TPC commands, and the high-layer parameter srs-TPC-PDCCH-Group configured for this terminal device is typeA, then Block number 2 includes the following fields:

[0206] SRS request, including 0 or 2 bits;

[0207] TPC command number 1, TPC command number 1_1, TPC command number 2, TPC command number 2_1, …, TPC command number N, TPC command number N_1;

[0208] Among them, the TPC commands in the block can be sorted in sequence according to the order of TPC command number 1, TPC command number 1_1, TPC command number 2, TPC command number 2-1, …, TPC command number N, TPC command number N_1, or can be sorted in sequence according to the order of TPC command number 1, TPC command number 2, …, TPC command number N, TPC command number 1_1, TPC command number 2_1, …, TPC command number N_1, and no specific restrictions are made on this. At the same time, each TPC command corresponds to one serving cell / uplink carrier. Assume that TPC command number 1 and TPC command number 1_1 correspond to the same serving cell / uplink carrier, so one serving cell / uplink carrier corresponds to two TPC commands.

[0209] If the terminal device corresponding to block number 3 supports / is configured with M-TRP, one serving cell / uplink carrier corresponds to three TPC commands, and the high-layer parameter srs-TPC-PDCCH-Group configured by the terminal device is typeA, then block number 3 includes the following fields:

[0210] SRS request, including 0 or 2 bits;

[0211] TPC command number 1, TPC command number 1_1, TPC command number 1_2, TPC command number 2, TPC command number 2_1, TPC command number 2_2, …, TPC command number N, TPC command number N_1, TPC command number N_2; Among them, the TPC commands in the block can be sorted in sequence according to the order of TPC command number 1, TPC command number 1_1, TPC command number 1_2, TPC command number 2, TPC command number 2_1, TPC command number 2_3, …, TPC command number N, TPC command number N_1, TPC command number N_2, and can be sorted in sequence according to the order of TPC command number 1, TPC command number 2, …, TPC command number N, TPC command number 1_1, TPC command number 2_1, …, TPC command number N_1, TPC command number 1_2, TPC command number 2_2, …, TPC command number N_2, and no specific restrictions are imposed on this. At the same time, each TPC command corresponds to one serving cell / uplink carrier. Assume that TPC command number 1, TPC command number 1_1, and TPC command number 1_2 correspond to the same serving cell / uplink carrier, so that one serving cell / uplink carrier corresponds to three TPC commands.

[0212]

The high-layer parameter srs-TPC-PDCCH-Group is typeB

[0213] In the above case where the high-layer parameter srs-TPC-PDCCH-Group is typeB, DCI format 2_3 includes at least one block, each block includes one TPC command, and each block corresponds to one uplink carrier, that is, one uplink carrier corresponds to one TPC command.

[0214] Different from each block including one TPC command above, in order to increase the number of TPC commands included in the block, this embodiment considers an enhanced DCI format 2_3, which includes at least one block, and at least one block includes multiple TPC commands, and each block corresponds to one uplink carrier, that is, one uplink carrier corresponds to multiple TPC commands.

[0215] It should be noted that among all the uplink carriers supported by the terminal device, only some of the uplink carriers may be M-TRP deployments, while the other part of the uplink carriers are S-TRP deployments. Therefore, for the uplink carriers with M-TRP deployments, each carrier among these uplink carriers may correspond to multiple TPC commands, and for the uplink carriers with S-TRP deployments, each carrier among these uplink carriers may correspond to one TPC command. In this way, in the block of the enhanced DCI format 2_3, there may be multiple TPC commands corresponding to one uplink carrier, or there may be one TPC command corresponding to one uplink carrier.

[0216] In addition, the DCI format 2_3 is for one or more terminal devices, and the DCI format 2_3 includes blocks corresponding to each of the multiple terminal devices, and each terminal device obtains the block configured for itself based on the high-layer information. Since some of the multiple terminal devices may support / are configured with the M-TRP scenario, while some other terminal devices do not support / are not configured with the M-TRP scenario, for the terminal devices that support / are configured with the M-TRP scenario, one serving cell / uplink carrier corresponds to multiple TPC commands. At this time, the blocks corresponding to these terminal devices may include multiple TPC commands corresponding to one serving cell / uplink carrier; for the terminal devices that do not support / are not configured with the M-TRP scenario, one serving cell / uplink carrier corresponds to one TPC command. At this time, the blocks corresponding to these terminal devices may include one TPC command corresponding to one serving cell / uplink carrier.

[0217] That is to say, for the high-layer parameter srs-TPC-PDCCH-Group of type B, the enhanced DCI format 2_3 may include multiple TPC commands corresponding to at least one serving cell in the serving cell set, that is, at least one uplink carrier corresponds to multiple TPC commands, and may also include one SRS request for SRS transmission in this serving cell set.

[0218] Among them, the enhanced DCI format 2_3 including multiple TPC commands corresponding to at least one serving cell in the serving cell set can be understood as that the enhanced DCI format 2_3 includes multiple TPC commands corresponding to each serving cell in the serving cell set (that is, each uplink carrier corresponds to multiple TPC commands); or, the enhanced DCI format 2_3 includes multiple TPC commands corresponding to one or more serving cells in the serving cell set (that is, one or more uplink carriers correspond to multiple TPC commands), or one or more serving cells correspond to one TPC command (that is, one or more uplink carriers correspond to one TPC command).

[0219] It can be seen that for the high-layer parameter srs-TPC-PDCCH-Group being type B, the network device will send enhanced DCI format 2_3, which includes at least one block, and at least one block includes multiple TPC commands corresponding to one serving cell / uplink carrier.

[0220] Correspondingly, the terminal device will obtain at least one block in the DCI format 2_3, and at least one block includes multiple TPC commands corresponding to one serving cell / uplink carrier for transmitting SRS.

[0221] For example, the enhanced DCI format 2_3 includes the following information:

[0222] Block number 1, block number 2, …, block number B;

[0223] Among them, the enhanced DCI format 2_3 is for multiple terminal devices, and the enhanced DCI format 2_3 includes blocks corresponding to each of the multiple terminal devices, and each terminal device obtains the block configured for itself based on high-layer information. For terminal devices that support / are configured with the M-TRP scenario, the blocks corresponding to these terminal devices may include multiple TPC commands corresponding to one serving cell / uplink carrier; for terminal devices that do not support / are not configured with the M-TRP scenario, the blocks corresponding to these terminal devices may include one TPC command corresponding to one serving cell / uplink carrier.

[0224] If the terminal device corresponding to block number 1 does not support / is not configured with M-TRP and the high-layer parameter srs-TPC-PDCCH-Group configured for this terminal device is type B, then block number 1 includes the following fields:

[0225] SRS request, including 0 or 2 bits;

[0226] TPC command, including 2 bits.

[0227] If the terminal device corresponding to block number 2 supports / is configured with M-TRP, one serving cell / uplink carrier corresponds to two TPC commands, and the high-layer parameter srs-TPC-PDCCH-Group configured for this terminal device is type B, then block number 2 includes the following fields:

[0228] SRS request, including 0 or 2 bits;

[0229] TPC command number 1, TPC command number 2;

[0230] Among them, each block includes TPC command number 1 and TPC command number 2, and each block corresponds to an uplink carrier. In this way, one serving cell / uplink carrier corresponds to two TPC commands.

[0231] If the terminal device corresponding to block number 3 supports / is configured with M-TRP, one serving cell / uplink carrier corresponds to three TPC commands, and the high-layer parameter srs-TPC-PDCCH-Group configured by the terminal device is type B, then block number 3 includes the following fields:

[0232] SRS request, including 0 or 2 bits;

[0233] TPC command number 1, TPC command number 2, TPC command number 3;

[0234] Among them, each block includes TPC command number 1, TPC command number 2 and TPC command number 3, and each block corresponds to an uplink carrier. In this way, one serving cell / uplink carrier corresponds to three TPC commands.

[0235]

Association between SRS resource set and TPC command

[0236] Combined with the above content, it can be seen that in the determination process of the SRS transmission power P SRS,b,f,c (i,q s ,l), one serving cell c / uplink carrier f / corresponds to one TPC command. At the same time, the SRS resource set q on the uplink carrier f s may be associated with the SRS power control adjustment state l, the SRS power control adjustment state l may be associated with the TPC command, and the SRS resource set q s may be associated with the TPC command.

[0237] It should be noted that since the SRS resource set q s may be associated with the SRS power control adjustment state l, and the SRS power control adjustment state l may be associated with the TPC command, the SRS resource set q s may be associated with the TPC command.

[0238] Optionally, when the high-layer parameter configures at least one SRS resource set on an uplink carrier for the terminal device, in order to determine the SRS transmission power of the at least one SRS resource set, the at least one SRS resource set may be associated with the SRS power control adjustment state, and the SRS power control state may be associated with the TPC command. Therefore, the at least one SRS resource set may be associated with the TPC command.

[0239] It should be noted that the "SRS resource set associated with the SRS power control adjustment state" in this embodiment can be understood as the index of the SRS resource set associated with the SRS power control adjustment state; the "SRS power control state associated with the TPC command" in this embodiment can be understood as the index of the SRS power control adjustment state associated with the TPC command.

[0240] In the SRS resource sets configured by the terminal device, some SRS resource sets may be associated with the SRS power control adjustment state or the index of the SRS power control adjustment state, and some SRS resource sets may not be associated with the SRS power control adjustment state or the index of the SRS power control adjustment state. Therefore, the at least one SRS resource set being associated with the SRS power control adjustment state can be understood as that there are SRS resource sets in the at least one SRS resource set that are associated with the SRS power control adjustment state and SRS resource sets that are not associated with the SRS power control adjustment state, or each SRS resource set in the at least one SRS resource set is associated with the SRS power control adjustment state.

[0241] In addition, different SRS resource sets may be associated with the same SRS power control adjustment state, or may be associated with different SRS power control adjustment states.

[0242] Different SRS resource sets being associated with the same SRS power control adjustment state can be understood as that the indexes of the SRS power control adjustment states associated with different SRS resource sets are the same. For example, if the indexes of the SRS power control adjustment states associated with some SRS resource sets are all 0 (i.e., l = 0), then these SRS resource sets are associated with the same SRS power control adjustment state.

[0243] Different SRS resource sets being associated with different SRS power control adjustment states can be understood as that the indexes of the SRS power control adjustment states associated with different SRS resource sets are not the same. For example, if an SRS resource set q s = 0 is associated with an index of the SRS power control adjustment state of 0 (i.e., l = 0), and another SRS resource set q s = 1 is associated with an index of the SRS power control adjustment state of 1, then the SRS resource set q s = 0 and the SRS resource set q s = 1 are associated with different SRS power control adjustment states. At the same time, since the uplink carrier corresponds to one TPC command, the at least one SRS resource set can correspond to one TPC command.

[0244] That is to say, if an uplink carrier corresponds to one TPC command, and the TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value, then the at least one SRS resource set is associated with the TPC command.

[0245] Thus, since the TPC command corresponds to an accumulated TPC command value and / or an absolute TPC command value, the at least one SRS resource set corresponds to the same accumulated TPC command value and / or the same absolute TPC command value.

[0246] Optionally, when a higher layer parameter configures at least one SRS resource set on an uplink carrier for a terminal device, in order to determine the SRS transmission power of the at least one SRS resource set, the at least one SRS resource set may be associated with a TPC command. However, when the uplink carrier corresponds to multiple TPC commands, it is necessary to determine how the at least one SRS resource set is associated with the multiple TPC commands.

[0247] The following embodiments illustrate how the at least one SRS resource set is associated with the multiple TPC commands in multiple ways.

[0248] [Method 1]

[0249] In "Method 1", this embodiment considers that the SRS power control adjustment states associated with the at least one SRS resource set are the same. Among them, the SRS power control adjustment states associated with the at least one SRS resource set being the same can be understood as the indexes of the SRS power control adjustment states associated with the at least one SRS resource set being the same.

[0250] Since the SRS power control adjustment states associated with the at least one SRS resource set are the same, and a TPC command corresponds to an accumulated TPC command value and / or an absolute TPC command value, the at least one SRS resource set needs to be associated with the same TPC command to ensure that the at least one SRS resource set corresponds to the same accumulated TPC command value and / or the same absolute TPC command value.

[0251] That is to say, if an uplink carrier corresponds to multiple TPC commands, each of the multiple TPC commands corresponds to an accumulated TPC command value and / or an absolute TPC command value, and the SRS power control adjustment states associated with the at least one SRS resource set are the same, then the at least one SRS resource set is associated with the same TPC command among the multiple TPC commands.

[0252] Optionally, the SRS power control adjustment state associated with the at least one SRS resource set can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0253] Optionally, the TPC command associated with the at least one SRS resource set may be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, may be network-configured, may be pre-configured, or may be specified by the protocol.

[0254] Optionally, the TPC command associated with the at least one SRS resource set may be any one of the multiple TPC commands, may be the TPC command with the smallest index among the multiple TPC commands, or may be the TPC command with the largest index among the multiple TPC commands.

[0255] Optionally, among the multiple TPC commands corresponding to one uplink carrier, the multiple TPC commands have a certain order of arrangement. According to this order, the multiple TPC commands may include the first TPC command, the second TPC command,..., and the last TPC command. Based on this, the TPC command associated with the at least one SRS resource set may be the first TPC command among the multiple TPC commands, may be the second TPC command, or may be the last TPC command.

[0256] Optionally, the index of the SRS power control adjustment state associated with the at least one SRS resource set is related to the TPC command associated with the at least one SRS resource set.

[0257] For example, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 0, then the at least one SRS resource set is associated with the first TPC command among the multiple TPC commands. Of course, this embodiment is not limited to the first TPC command, and it may be the second TPC command or any one of the TPC commands. As long as the SRS power control adjustment state l = 0 is related to the TPC command.

[0258] For another example, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 1, then the at least one SRS resource set is associated with the second TPC command among the multiple TPC commands. Of course, this embodiment is not limited to the second TPC command, and it may be the first TPC command or any one of the TPC commands. As long as the SRS power control adjustment state l = 1 is related to the TPC command.

[0259] For another example, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 2, then the at least one SRS resource set is associated with the third TPC command among the multiple TPC commands, and so on. Of course, this embodiment is not limited to the third TPC command, and it may be the first TPC command or any one of the TPC commands. As long as the SRS power control adjustment state l = 2 is related to the TPC command.

[0260] Optionally, the TPC command associated with the index of the SRS power control adjustment state associated with the at least one SRS resource set may be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, may be network-configured, may be pre-configured, or may be specified by the protocol.

[0261] It should be noted that the "TPC command associated with the index of the SRS power control adjustment state" in this embodiment can be understood as the TPC command associated with the SRS power control adjustment state.

[0262] The following is an example description of "Method 1".

[0263] Example 1:

[0264] In "Example 1", taking the terminal device supporting / being configured with M-TRP and one serving cell / uplink carrier corresponding to two TPC commands as an example, if the higher layer parameter srs-TPC-PDCCH-Group configured for the terminal device is typeA, the terminal device will obtain a block in the enhanced DCI format 2_3, and the block includes the following fields:

[0265] SRS request, including 0 or 2 bits;

[0266] TPC command number 1, TPC command number 1_1, TPC command number 2, TPC command number 2_1,..., TPC command number N, TPC command number N_1;

[0267] Assume that uplink carrier m (m represents the carrier index) corresponds to TPC command number 1 and TPC command number 1_1.

[0268] In this way, when the network device configures at least one SRS resource set on uplink carrier m for the terminal device, if the at least one SRS resource set is associated with the SRS power control adjustment state l = 0, the at least one SRS resource set is associated with the first TPC command (i.e., TPC command number 1), and the second TPC command (i.e., TPC command number 1_1) is ignored; or, if the at least one SRS resource set is associated with the SRS power control adjustment state l = 1, the at least one SRS resource set is associated with the second TPC command, and the first TPC command is ignored.

[0269] Of course, the network device can also configure SRS resource sets on other uplink carriers for the terminal device. Similarly, it will not be elaborated here.

[0270] Example 2:

[0271] In "Example 2", taking the terminal device supporting / being configured with M-TRP and one serving cell / uplink carrier corresponding to three TPC commands as an example, if the high-layer parameter srs-TPC-PDCCH-Group configured for the terminal device is typeA, then the terminal device will obtain a block in the enhanced DCI format 2_3, and this block includes the following fields:

[0272] SRS request, including 0 or 2 bits;

[0273] TPC command number 1, TPC command number 1_1, TPC command number 1_2, TPC command number 2, TPC command number 2_1, TPC command number 2_2, …, TPC command number N, TPC command number N_1, TPC command number N_2

[0274] Suppose the uplink carrier n (n represents the carrier index) corresponds to TPC command number 2, TPC command number 2_1, and TPC command number 2_2.

[0275] In this way, when the network device configures at least one SRS resource set on the uplink carrier n for the terminal device, if the at least one SRS resource set is associated with the SRS power control adjustment state l = 0, then the at least one SRS resource set is associated with the first TPC command (i.e., TPC command number 2), and the second TPC command (i.e., TPC command number 2_1) and the third TPC command (i.e., TPC command number 2_2) are ignored; or, if the at least one SRS resource set is associated with the SRS power control adjustment state l = 1, then the at least one SRS resource set is associated with the second TPC command, and the first TPC command and the third command are ignored; or, if the at least one SRS resource set is associated with the SRS power control adjustment state l = 2, then the at least one SRS resource set is associated with the third TPC command, and the first TPC command and the second TPC command are ignored.

[0276] Of course, the network device can also configure SRS resource sets on other uplink carriers for the terminal device. Similarly, it can be known and will not be elaborated here.

[0277] Example 3:

[0278] In "Example 3", taking the terminal device supporting / being configured with M-TRP and one serving cell / uplink carrier corresponding to two TPC commands as an example, if the high-layer parameter srs-TPC-PDCCH-Group configured for the terminal device is typeB, then the terminal device will obtain one or more blocks in the enhanced DCI format 2_3, and each block in the one or more blocks includes the following fields:

[0279] SRS request, including 0 or 2 bits;

[0280] TPC command number 1, TPC command number 2;

[0281] Assume that uplink carrier m (where m represents the carrier index) corresponds to TPC command number 1 and TPC command number 2.

[0282] Thus, when the network device configures at least one SRS resource set on uplink carrier m for the terminal device, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 0, then the at least one SRS resource set is associated with the first TPC command (i.e., TPC command number 1), and the second TPC command (i.e., TPC command number 2) is ignored; or, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 1, then the at least one SRS resource set is associated with the second TPC command, and the first TPC command is ignored.

[0283] Of course, the network device can also configure SRS resource sets on other uplink carriers for the terminal device. Similarly, it can be known and will not be elaborated here.

[0284] Example 4:

[0285] In "Example 4", taking the terminal device supporting / being configured with M-TRP and one serving cell / uplink carrier corresponding to three TPC commands as an example, if the high-layer parameter srs-TPC-PDCCH-Group configured for the terminal device is typeB, then the terminal device will obtain one or more blocks in enhanced DCI format 2_3, and each block in the one or more blocks includes the following fields:

[0286] SRS request, including 0 or 2 bits;

[0287] TPC command number 1, TPC command number 2, TPC command number 3;

[0288] Assume that uplink carrier m (where m represents the carrier index) corresponds to TPC command number 1 and TPC command number 2.

[0289] In this way, when the network device configures at least one SRS resource set on the uplink carrier m for the terminal device, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 0, then the at least one SRS resource set is associated with the first TPC command (i.e., TPC command number 1), and the second TPC command (i.e., TPC command number 2) and the third TPC command (i.e., TPC command number 3) are ignored; or, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 1, then the at least one SRS resource set is associated with the second TPC command, and the first TPC command and the third TPC command are ignored; or, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 2, then the at least one SRS resource set is associated with the third TPC command, and the first TPC command and the second TPC command are ignored.

[0290] Of course, the network device can also configure SRS resource sets on other uplink carriers for the terminal device. Similarly, this will not be elaborated here.

[0291]

Method 2

[0292] In "Method 2", this embodiment considers that there are a first SRS resource set and a second SRS resource set in the at least one SRS resource set. The first SRS resource set and the second SRS resource set are different SRS resource sets respectively, and the first SRS resource set and the second SRS resource set are respectively associated with different SRS power control adjustment states.

[0293] The first SRS resource set includes one or more SRS resources in the at least one SRS resource set that are associated with the first SRS power control adjustment state; the second SRS resource set includes one or more SRS resources in the at least one SRS resource set that are associated with the second SRS power control adjustment state.

[0294] The first SRS power control adjustment state and the second SRS power control adjustment state respectively have different indexes. For example, the index of the first SRS power control adjustment state is less than the index of the second SRS power control adjustment state, or the index of the first SRS power control adjustment state is greater than the index of the second SRS power control adjustment state.

[0295] Since the first SRS resource set and the second SRS resource set are respectively associated with different SRS power control adjustment states, the first SRS resource set and the second SRS resource set can be respectively associated with different TPC commands, so as to ensure that different SRS resource sets correspond to different cumulative TPC command values and / or different absolute TPC command values.

[0296] That is to say, if one uplink carrier corresponds to multiple TPC commands, each of the multiple TPC commands corresponds to an accumulated TPC command value and / or an absolute TPC command value, the first SRS resource set in the at least one SRS resource set is associated with a first SRS power control adjustment state, and the second SRS resource set in the at least one SRS resource is associated with a second SRS power control adjustment state, then the first SRS resource set is associated with the first TPC command among the multiple TPC commands, and the second SRS resource set is associated with the second TPC command among the multiple TPC commands.

[0297] Among them, the first TPC command and the second TPC command are different TPC commands respectively.

[0298] Optionally, the first SRS resource set being associated with the first SRS power control adjustment state and the second SRS resource set being associated with the second SRS power control adjustment state can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0299] Optionally, the first SRS resource set being associated with the first TPC command and the second SRS resource set being associated with the second TPC command can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0300] Optionally, the index of the first SRS power control adjustment state is related to the first TPC command, and the index of the second SRS power control adjustment state is related to the second TPC command.

[0301] For example, if the index of the first SRS power control adjustment state is 0 (i.e., l = 0) and the index of the second SRS power control adjustment state is 1 (i.e., l = 1), then the first TPC command is the first TPC command among the multiple TPC commands, and the second TPC command is the second TPC command among the multiple TPC commands.

[0302] That is to say, if there is an SRS resource set associated with the SRS power control adjustment state l = 0 and an SRS resource set associated with the SRS power control adjustment state l = 1 in the at least one SRS resource set, then the SRS resource set associated with the SRS power control adjustment state l = 0 is associated with the first TPC command, and the SRS resource set associated with the SRS power control adjustment state l = 1 is associated with the second TPC command.

[0303] Of course, this embodiment is not limited to associating the SRS resource set with the SRS power control adjustment state l = 0 with the first TPC command. The SRS resource associated with the SRS power control adjustment state l = 0 can be associated with the second TPC command or any one of the TPC commands.

[0304] Optionally, the association between the first SRS power control adjustment state and the first TPC command and the association between the second SRS power control adjustment state and the second TPC command can be configured through higher-layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0305] Similarly, this embodiment is not limited to associating the SRS resource set with the SRS power control adjustment state l = 1 with the second TPC command. The SRS resource associated with the SRS power control adjustment state l = 1 can be associated with the first TPC command or any one of the TPC commands. As long as it is ensured that the SRS resource associated with the SRS power control adjustment state l = 0 and the SRS resource associated with the SRS power control adjustment state l = 1 are respectively associated with different TPC commands, and the SRS power control adjustment state l = 0 and the SRS power control adjustment state l = 1 are related to their respective TPC commands.

[0306] For another example, if the index of the first SRS power control adjustment state is 1 (i.e., l = 1), and the index of the second SRS power control adjustment state is 2 (i.e., l = 2), then the first TPC command is the second TPC command among the multiple TPC commands, and the second TPC command is the third TPC command among the multiple TPC commands.

[0307] That is to say, if there is an SRS resource set associated with the SRS power control adjustment state l = 1 and an SRS resource set associated with the SRS power control adjustment state l = 2 in the at least one SRS resource set, then the SRS resource set associated with the SRS power control adjustment state l = 1 is associated with the second TPC command, and the SRS resource set associated with the SRS power control adjustment state l = 2 is associated with the third TPC command.

[0308] Of course, this embodiment is not limited to associating the SRS resource set with the SRS power control adjustment state l = 1 with the second TPC command. The SRS resource associated with the SRS power control adjustment state l = 1 can be associated with the first TPC command or any TPC command. Similarly, this embodiment is not limited to associating the SRS resource set with the SRS power control adjustment state l = 2 with the third TPC command. The SRS resource associated with the SRS power control adjustment state l = 2 can be associated with the first TPC command or any TPC command. As long as it is ensured that the SRS resource associated with the SRS power control adjustment state l = 1 and the SRS resource associated with the SRS power control adjustment state l = 2 are respectively associated with different TPC commands, and the SRS power control adjustment state l = 1 and the SRS power control adjustment state l = 2 are related to the TPC command.

[0309] The following gives an example description of "Method 2".

[0310] Example 1:

[0311] In "Example 1", taking the case where the terminal device supports / is configured with M-TRP and one serving cell / uplink carrier corresponds to two TPC commands as an example, if the high-layer parameter srs-TPC-PDCCH-Group configured for the terminal device is typeA, the terminal device will obtain one block in the enhanced DCI format 2_3, and this one block includes the following fields:

[0312] SRS request, including 0 or 2 bits;

[0313] TPC command number 1, TPC command number 1_1, TPC command number 2, TPC command number 2_1,..., TPC command number N, TPC command number N_1; Assume that the uplink carrier m (m represents the carrier index) corresponds to TPC command number 1 and TPC command number 1_1.

[0314] In this way, when the network device configures at least one SRS resource set on the uplink carrier m for the terminal device, if there is an SRS resource set associated with the SRS power control adjustment state l = 0 and an SRS resource set associated with the SRS power control adjustment state l = 1 in the at least one SRS resource set, the SRS resource set associated with the SRS power control adjustment state l = 0 is associated with the first TPC command (i.e., TPC command number 1), and the SRS resource set associated with the SRS power control adjustment state l = 1 is associated with the second TPC command (i.e., TPC command number 1_1).

[0315] Example 2:

[0316] In "Example 2", taking the case where the terminal device supports / is configured with an M-TRP and one serving cell / uplink carrier corresponds to two TPC commands as an example, if the high-layer parameter srs-TPC-PDCCH-Group configured for the terminal device is type B, then the terminal device will obtain one or more blocks in the enhanced DCI format 2_3, and each of the one or more blocks includes the following fields:

[0317] SRS request, including 0 or 2 bits;

[0318] TPC command number 1, TPC command number 2;

[0319] Suppose the uplink carrier m (where m represents the carrier index) corresponds to TPC command number 1 and TPC command number 2.

[0320] In this way, when the network device configures at least one SRS resource set on the uplink carrier m for the terminal device, if there is an SRS resource set associated with the SRS power control adjustment state l = 0 and an SRS resource set associated with the SRS power control adjustment state l = 1 in the at least one SRS resource set, then the SRS resource set associated with the SRS power control adjustment state l = 0 is associated with the first TPC command (i.e., TPC command number 1), and the SRS resource set associated with the SRS power control adjustment state l = 1 is associated with the second TPC command (i.e., TPC command number 2).

[0321]

Method 3

[0322] In "Method 3", this embodiment considers that there are a first SRS resource set, a second SRS resource set, and a third SRS resource set in the at least one SRS resource set. The first SRS resource set, the second SRS resource set, and the third SRS resource set are different SRS resource sets respectively, and the first SRS resource set, the second SRS resource set, and the third SRS resource set are respectively associated with different SRS power control adjustment states.

[0323] The first SRS resource set includes one or more SRS resource sets in the at least one SRS resource set that are associated with the first SRS power control adjustment state; the second SRS resource set includes one or more SRS resource sets in the at least one SRS resource set that are associated with the second SRS power control adjustment state; the third SRS resource set includes one or more SRS resource sets in the at least one SRS resource set that are associated with the third SRS power control adjustment state.

[0324] The first SRS power control adjustment state, the second SRS power control adjustment state, and the third SRS power control adjustment state respectively have different indexes.

[0325] For example, the index of the first SRS power control adjustment state is less than the index of the second SRS power control adjustment state, and the index of the second SRS power control adjustment state is less than the index of the third SRS power control adjustment state. That is to say, the indexes of the first SRS power control adjustment state, the second SRS power control adjustment state, and the third SRS power control adjustment state are in ascending order from small to large.

[0326] For another example, the index of the first SRS power control adjustment state is greater than the index of the second SRS power control adjustment state, and the index of the second SRS power control adjustment state is greater than the index of the third SRS power control adjustment state. That is to say, the indexes of the first SRS power control adjustment state, the second SRS power control adjustment state, and the third SRS power control adjustment state are in descending order from large to small.

[0327] Since the first SRS resource set, the second SRS resource set, and the third SRS resource set are respectively associated with different SRS power control adjustment states, the first SRS resource set, the second SRS resource set, and the third SRS resource set can be respectively associated with different TPC commands, so as to ensure that different SRS resource sets correspond to different cumulative TPC command values and / or different absolute TPC command values.

[0328] That is to say, if an uplink carrier corresponds to multiple TPC commands, each of the multiple TPC commands corresponds to a cumulative TPC command value and / or an absolute TPC command value, and the first SRS resource set in the at least one SRS resource set is associated with the first SRS power control adjustment state, the second SRS resource set in the at least one SRS resource is associated with the second SRS power control adjustment state, and the third SRS resource set in the at least one SRS resource is associated with the third SRS power control adjustment state, then the first SRS resource set is associated with the first TPC command among the multiple TPC commands, the second SRS resource set is associated with the second TPC command among the multiple TPC commands, and the third SRS resource set is associated with the third TPC command among the multiple TPC commands.

[0329] Among them, the first TPC command, the second TPC command, and the third TPC command are different TPC commands respectively.

[0330] Optionally, the first SRS resource set is associated with the first SRS power control adjustment state, the second SRS resource set is associated with the second SRS power control adjustment state, and the third SRS resource set is associated with the third SRS power control adjustment state, which can be configured by high-layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0331] Optionally, the first SRS resource set is associated with a first TPC command, the second SRS resource set is associated with a second TPC command, and the third SRS resource set is associated with a third TPC command, which can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0332] Optionally, the index of the first SRS power control adjustment state is related to the first TPC command, the index of the second SRS power control adjustment state is related to the second TPC command, and the index of the third SRS power control adjustment state is related to the third TPC command.

[0333] For example, if the index of the first SRS power control adjustment state is 0 (i.e., l = 0), the index of the second SRS power control adjustment state is 1 (i.e., l = 1), and the index of the second SRS power control adjustment state is 2 (i.e., l = 2), then the first TPC command is the first TPC command among the multiple TPC commands, the second TPC command is the second TPC command among the multiple TPC commands, and the third TPC command is the third TPC command among the multiple TPC commands.

[0334] That is to say, if there are an SRS resource set associated with the SRS power control adjustment state l = 0, an SRS resource set associated with the SRS power control adjustment state l = 1, and an SRS resource set associated with the SRS power control adjustment state l = 2 in the at least one SRS resource set, then the SRS resource set associated with the SRS power control adjustment state l = 0 is associated with the first TPC command, the SRS resource set associated with the SRS power control adjustment state l = 1 is associated with the second TPC command, and the SRS resource set associated with the SRS power control adjustment state l = 2 is associated with the third TPC command.

[0335] Of course, this embodiment is not limited to the SRS resource set associated with the SRS power control adjustment state l = 0 being associated with the first TPC command. The SRS resource associated with the SRS power control adjustment state l = 0 can be associated with the second TPC command or any one of the TPC commands.

[0336] Optionally, the first SRS power control adjustment state is associated with a first TPC command, the second SRS power control adjustment state is associated with a second TPC command, and the third SRS power control adjustment state is associated with a third TPC command, which can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0337] Similarly, this embodiment is not limited to associating the SRS resource set with SRS power control adjustment state l = 1 with the second TPC command. The SRS resource associated with SRS power control adjustment state l = 1 can be associated with the first TPC command or any TPC command.

[0338] Similarly, this embodiment is not limited to associating the SRS resource set with SRS power control adjustment state l = 2 with the third TPC command. The SRS resource associated with SRS power control adjustment state l = 2 can be associated with the first TPC command or any TPC command. As long as it is ensured that the SRS resource associated with SRS power control adjustment state l = 0, the SRS resource associated with SRS power control adjustment state l = 1, and the SRS resource associated with SRS power control adjustment state l = 2 are respectively associated with different TPC commands, and SRS power control adjustment state l = 0, SRS power control adjustment state l = 1, and SRS power control adjustment state l = 2 are respectively related to their respective TPC commands.

[0339] The following gives an example of "Method 3".

[0340] Example A:

[0341] In "Example A", taking the terminal device supporting / being configured with M-TRP and one serving cell / uplink carrier corresponding to three TPC commands as an example, if the high-layer parameter srs-TPC-PDCCH-Group configured by the terminal device is typeA, then the terminal device will obtain a block in the enhanced DCI format 2_3, and this one block includes the following fields:

[0342] SRS request, including 0 or 2 bits;

[0343] TPC command number 1, TPC command number 1_1, TPC command number 1_2, TPC command number 2, TPC command number 2_1, TPC command number 2_2,..., TPC command number N, TPC command number N_1, TPC command number N_2;

[0344] Assume that the uplink carrier n (n represents the carrier index) corresponds to TPC command number 2, TPC command number 2_1, and TPC command number 2 / 2.

[0345] In this way, when the network device configures at least one SRS resource set on the uplink carrier n for the terminal device, if there are an SRS resource set associated with the SRS power control adjustment state l = 1, an SRS resource set associated with the SRS power control adjustment state l = 1, and an SRS resource set associated with the SRS power control adjustment state l = 2 in the at least one SRS resource set, then the SRS resource set associated with the SRS power control adjustment state l = 0 is associated with the first TPC command (i.e., TPC command number 1), the SRS resource set associated with the SRS power control adjustment state l = 1 is associated with the second TPC command (i.e., TPC command number 1_1), and the SRS resource set associated with the SRS power control adjustment state l = 2 is associated with the third TPC command (i.e., TPC command number 1_2).

[0346] Example B:

[0347] In "Example B", taking the terminal device supporting / being configured with M-TRP and one serving cell / uplink carrier corresponding to three TPC commands as an example, if the high-layer parameter srs-TPC-PDCCH-Group configured for the terminal device is type B, then the terminal device will obtain one or more blocks in the enhanced DCI format 2_3, and each block in the one or more blocks includes the following fields:

[0348] SRS request, including 0 or 2 bits;

[0349] TPC command number 1, TPC command number 2, TPC command number 3;

[0350] Assume that the uplink carrier m (where m represents the carrier index) corresponds to TPC command number 1, TPC command number 2, and TPC command number 3.

[0351] When the network device configures at least one SRS resource set on the uplink carrier m for the terminal device, if there are an SRS resource set associated with the SRS power control adjustment state l = 0, an SRS resource set associated with the SRS power control adjustment state l = 1, and an SRS resource set associated with the SRS power control adjustment state l = 2 in the at least one SRS resource set, then the SRS resource set associated with the SRS power control adjustment state l = 0 is associated with the first TPC command (i.e., TPC command number 1), the SRS resource set associated with the SRS power control adjustment state l = 1 is associated with the second TPC command (i.e., TPC command number 2), and the SRS resource set associated with the SRS power control adjustment state l = 2 is associated with the third TPC command (i.e., TPC command number 3).

[0352] 5. Enhancement of TPC Command

[0353]

Description

[0354] In the above "4. Enhancement of DCI format 2_3", in this embodiment, by increasing the number of TPC commands included in only one block in DCI format 2_3, multiple TPC commands correspond to one serving cell or uplink carrier, and each TPC command corresponds to a cumulative TPC command value and / or an absolute TPC command value.

[0355] However, different from increasing the number of TPC commands included in some blocks as described above, in "5. Enhancement of TPC commands", this embodiment considers not increasing the number of TPC commands included in some blocks, but increasing the number of cumulative TPC command values and / or the number of absolute TPC command values corresponding to at least one TPC command in DCI format 2_3.

[0356] It should be noted that among all the uplink carriers supported by the terminal device, only some uplink carriers may be M-TRP deployments, while the other part of the uplink carriers are S-TRP deployments. Therefore, for the uplink carriers with M-TRP deployments, each uplink carrier in these uplink carriers corresponds to a TPC command, and one TPC command may correspond to the number of multiple cumulative TPC command values and / or the number of multiple absolute TPC command values; for the uplink carriers with S-TRP deployments, each uplink carrier in these uplink carriers corresponds to a TPC command, and one TPC command may correspond to the number of one cumulative TPC command value and / or the number of one absolute TPC command value. In this way, in the block of DCI format 2_3, there may be TPC commands corresponding to multiple cumulative TPC command values and / or multiple absolute TPC command values, and there may also be TPC commands corresponding to one cumulative TPC command value and / or one absolute TPC command value.

[0357] In addition, DCI format 2_3 is for one or more terminal devices, and DCI format 2_3 includes blocks corresponding to respective terminal devices, and each terminal device obtains the block configured for itself based on high-layer information. Since some of the terminal devices among the multiple terminal devices may support / are configured with the M-TRP scenario, while some other terminal devices do not support / are not configured with the M-TRP scenario, for the terminal devices that support / are configured with the M-TRP scenario, one TPC command may correspond to multiple cumulative TPC command values and / or multiple absolute TPC command values. At this time, the blocks corresponding to these terminal devices may include TPC commands corresponding to the multiple cumulative TPC command values and / or the multiple absolute TPC command values; for the terminal devices that do not support / are not configured with the M-TRP scenario, one TPC command may correspond to one cumulative TPC command value and / or one absolute TPC command value. At this time, the blocks corresponding to these terminal devices may include TPC commands corresponding to one cumulative TPC command value and / or one absolute TPC command value. For example, DCI format 2_3 includes the following information:

[0358] Block number 1, block number 2, …, block number B;

[0359] Among them, the enhanced DCI format 2_3 is for multiple terminal devices, and the enhanced DCI format 2_3 includes blocks corresponding to respective terminal devices, and each terminal device obtains the block configured for itself based on high-layer information. For the terminal devices that support / are configured with the M-TRP scenario, the blocks corresponding to these terminal devices may include TPC commands corresponding to multiple cumulative TPC command values and / or multiple absolute TPC command values; for the terminal devices that do not support / are not configured with the M-TRP scenario, the blocks corresponding to these terminal devices may include TPC commands corresponding to one cumulative TPC command value and / or one absolute TPC command value.

[0360] If the terminal device corresponding to block number 1 does not support / is not configured with the M-TRP and the high-layer parameter srs-TPC-PDCCH-Group configured for this terminal device is typeA, then block number 1 includes the following fields:

[0361] SRS request, including 0 or 2 bits;

[0362] TPC command number 1, TPC command number 2, …, TPC command number N;

[0363] Among them, the TPC command in block number 1 corresponds to one cumulative TPC command value and / or one absolute TPC command value.

[0364] If the terminal device corresponding to block number 2 supports / configures M-TRP, and the high-layer parameter srs-TPC-PDCCH-Group configured by the terminal device is typeB, then block number 2 includes the following fields:

[0365] SRS request, including 0 or 2 bits;

[0366] TPC command, including 2 bits;

[0367] Among them, the TPC command in block number 2 corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values.

[0368] It should be noted that one TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value, which can be understood as the value of one TPC command corresponding to one cumulative TPC command value and / or one absolute TPC command value; one TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, which can be understood as the value of one TPC command corresponding to multiple cumulative TPC command values and / or multiple absolute TPC command values.

[0369] For example, the correspondence between the value of one TPC command in Table 1 and one cumulative TPC command value and / or one absolute TPC command value is enhanced to the correspondence between the value of one TPC command and multiple cumulative TPC command values and / or multiple absolute TPC command values, as shown in Table 2 and Table 3.

[0370] In Table 2, the value of one TPC command corresponds to two cumulative TPC command values and / or two absolute TPC command values. For example, if the value of the TPC command is 0, the two cumulative TPC command values are -1 and -1 + λ 1 , and the two absolute TPC command values are -4 and -4 + μ 1 . Among them, λ 1 , λ 2 , λ 3 , λ 4 , μ 1 , μ 2 , μ 3 and μ 4 are respectively a preset value, which can be a positive number, a negative number or 0.

[0371] In Table 3, the value of one TPC command corresponds to three cumulative TPC command values and / or three absolute TPC command values. Among them, κ 1 , κ 2 , κ 3 , κ 4 , θ 1 , θ 2 , θ 3 and θ4 are respectively a preset value, which can be a positive number, a negative number or 0.

[0372] Table 2

[0373]

[0374] Table 3

[0375]

[0376] In this way, by increasing the number of cumulative TPC command values and / or the number of absolute TPC command values corresponding to the TPC command, the TPC command is enhanced so as to enhance the SRS transmission by enhancing the TPC command.

[0377] Optionally, the number of cumulative TPC command values and / or the number of absolute TPC command values corresponding to the TPC command can be determined according to the number of network devices (such as TRP) communicating with the terminal device simultaneously, and can be determined according to the number of indexes of the SRS power control adjustment state associated with the SRS resource set, and no specific limitation is made thereto.

[0378]

Association between SRS resource set and TPC command

[0379] When the higher layer parameter configures at least one SRS resource set on an uplink carrier for the terminal device, in order to determine the SRS transmission power of the at least one SRS resource set, the at least one SRS resource set is associated with an SRS power control adjustment state, and the SRS power control state may be associated with a TPC command, so the at least one SRS resource set may be associated with a TPC command.

[0380] It should be noted that the "SRS resource set is associated with the SRS power control adjustment state" in this embodiment can be understood as that the SRS resource set is associated with the index of the SRS power control adjustment state; the "SRS power control state is associated with the TPC command" in this embodiment can be understood as that the index of the SRS power control adjustment state is associated with the TPC command.

[0381] In the SRS resource sets configured in the terminal device, some SRS resource sets may be associated with the SRS power control adjustment status or the index of the SRS power control adjustment status, and some SRS resource sets may not be associated with the SRS power control adjustment status or the index of the SRS power control adjustment status. Therefore, the fact that the at least one SRS resource set is associated with the SRS power control adjustment status can be understood as that there are SRS resource sets in the at least one SRS resource set that are associated with the SRS power control adjustment status and SRS resource sets that are not associated with the SRS power control adjustment status, or each SRS resource set in the at least one SRS resource set is associated with the SRS power control adjustment status.

[0382] However, when the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, since the SRS resource set needs to correspond to the cumulative TPC command values and / or the absolute TPC command values, it is necessary to determine how the at least one SRS resource set is associated with the multiple cumulative TPC command values and / or the multiple absolute TPC command values.

[0383] In addition, different SRS resource sets may be associated with the same SRS power control adjustment status, or may be associated with different SRS power control adjustment status. Among them, the fact that different SRS resource sets are associated with the same SRS power control adjustment status can be understood as that the indexes of the SRS power control adjustment statuses associated with different SRS resource sets are the same. The fact that different SRS resource sets are associated with different SRS power control adjustment status can be understood as that the indexes of the SRS power control adjustment statuses associated with different SRS resource sets are different.

[0384] Next, this embodiment will describe how the at least one SRS resource set is associated with the multiple cumulative TPC command values and / or the multiple absolute TPC command values in multiple ways.

[0385]

Method 1

[0386] In "Method 1", this embodiment considers that the SRS power control adjustment statuses associated with the at least one SRS resource set are the same. Among them, the fact that the SRS power control adjustment statuses associated with the at least one are the same can be understood as that the indexes of the SRS power control adjustment statuses associated with the at least one SRS resource set are the same.

[0387] Since the SRS power control adjustment statuses associated with the at least one SRS resource set are the same, and one TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, the at least one SRS resource set needs to correspond to the same cumulative TPC command values and / or the same absolute TPC command values.

[0388] That is to say, if an uplink carrier corresponds to a TPC command, the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, and the SRS power control adjustment status associated with the at least one SRS resource set is the same, then the at least one SRS resource set is associated with the same cumulative TPC command value among the multiple cumulative TPC command values and / or the same absolute TPC command value among the multiple absolute TPC command values.

[0389] Optionally, the SRS power control adjustment status associated with the at least one SRS resource set can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0390] Optionally, the cumulative TPC command value and / or absolute TPC command value associated with the at least one SRS resource set can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0391] Optionally, the cumulative TPC command value associated with the at least one SRS resource set can be one or more of the multiple cumulative TPC command values, can be the cumulative TPC command value with the smallest index among the multiple cumulative TPC command values, or can be the cumulative TPC command value with the largest index among the multiple cumulative TPC command values.

[0392] Optionally, the absolute TPC command value associated with the at least one SRS resource set can be one or more of the multiple absolute TPC command values, can be the TPC command with the smallest index among the multiple absolute TPC command values, or can be the absolute TPC command value with the largest index among the multiple absolute TPC command values.

[0393] Optionally, among the multiple cumulative TPC command values corresponding to a TPC command, the multiple cumulative TPC command values have a certain order, and in this order, the multiple cumulative TPC command values can include the first cumulative TPC command value, the second cumulative TPC command value,..., and the last cumulative TPC command value. Based on this, the cumulative TPC command value associated with the at least one SRS resource set can be the first cumulative TPC command value among the multiple cumulative TPC command values, can be the second cumulative TPC command value, or can be the last cumulative TPC command value.

[0394] Optionally, among the multiple absolute TPC command values corresponding to a TPC command, the multiple absolute TPC command values have a certain order of arrangement. According to the order of arrangement, the multiple absolute TPC command values may include a first absolute TPC command value, a second absolute TPC command value, …, and a last absolute TPC command value. Based on this, the absolute TPC command value associated with the at least one SRS resource set may be the first absolute TPC command value among the multiple absolute TPC command values, may be the second absolute TPC command value, or may be the last absolute TPC command value.

[0395] Optionally, the index of the SRS power control adjustment state associated with the at least one SRS resource set is related to the cumulative TPC command value associated with the at least one SRS resource set.

[0396] For example, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 0, then the at least one SRS resource set is associated with the first cumulative TPC command value among the multiple cumulative TPC command values. Of course, this embodiment is not limited to the first cumulative TPC command value, and it may be the second cumulative TPC command value or any cumulative TPC command value. As long as the SRS power control adjustment state l = 0 is related to the cumulative TPC command value.

[0397] For another example, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 1, then the at least one SRS resource set is associated with the second cumulative TPC command value among the multiple cumulative TPC command values. Of course, this embodiment is not limited to the second cumulative TPC command value, and it may be the first cumulative TPC command value or any cumulative TPC command value. As long as the SRS power control adjustment state l = 1 is related to the cumulative TPC command value.

[0398] For another example, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 2, then the at least one SRS resource set is associated with the third cumulative TPC command value among the multiple cumulative TPC command values. Of course, this embodiment is not limited to the third cumulative TPC command value, and it may be the first cumulative TPC command value or any cumulative TPC command value. As long as the SRS power control adjustment state l = 2 is related to the cumulative TPC command value.

[0399] Optionally, the index of the SRS power control adjustment state associated with the at least one SRS resource set is related to the absolute TPC command value associated with the at least one SRS resource set.

[0400] Optionally, the cumulative TPC command value and / or the absolute TPC command value associated with the SRS power control adjustment state may be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, may be network-configured, may be pre-configured, or may be specified by the protocol.

[0401] For example, if the at least one SRS resource set is associated with the SRS power control adjustment state l = 0, then the at least one SRS resource set is associated with the first absolute TPC command value among the multiple absolute TPC command values. Of course, this embodiment is not limited to the first absolute TPC command value, and it may be the second absolute TPC command value or any absolute TPC command value. As long as the SRS power control adjustment state l = 0 is related to the absolute TPC command value.

[0402] For another example, if the at least one SRS resource set is associated with the SRS power control adjustment state l = 1, then the at least one SRS resource set is associated with the second absolute TPC command value among the multiple absolute TPC command values. Of course, this embodiment is not limited to the second absolute TPC command value, and it may be the first absolute TPC command value or any absolute TPC command value. As long as the SRS power control adjustment state l = 1 is related to the absolute TPC command value.

[0403] For another example, if the at least one SRS resource set is associated with the SRS power control adjustment state l = 2, then the at least one SRS resource set is associated with the third absolute TPC command value among the multiple absolute TPC command values. Of course, this embodiment is not limited to the third absolute TPC command value, and it may be the first absolute TPC command value or any absolute TPC command value. As long as the SRS power control adjustment state l = 2 is related to the absolute TPC command value.

[0404] The following gives an example of "Mode 1".

[0405] Example a:

[0406] In "Example a", if the higher layer parameter srs-TPC-PDCCH-Group configured by the terminal device is typeA, then the terminal device will obtain a block in DCI format 2_3, and the block includes the following fields:

[0407] SRS request, including 0 or 2 bits;

[0408] TPC command number 1, TPC command number 2,..., TPC command number N;

[0409] Assume that the uplink carrier m (m represents the carrier index) corresponds to TPC command number 1.

[0410] In this way, when a network device configures at least one SRS resource set on an uplink carrier m for a terminal device, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 0, the at least one SRS resource set is associated with the first cumulative TPC command value among the multiple cumulative TPC command values corresponding to TPC command number 1 and / or the first absolute TPC command value among the multiple absolute TPC command values, and the second cumulative TPC command value and / or the second absolute TPC command value is ignored; or, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 1, the at least one SRS resource set is associated with the second cumulative TPC command value among the multiple cumulative TPC command values corresponding to TPC command number 1 and / or the second absolute TPC command value among the multiple absolute TPC command values, and the first cumulative TPC command value and / or the first absolute TPC command value is ignored.

[0411] Example b:

[0412] In "Example b", if the high-layer parameter srs-TPC-PDCCH-Group configured by the terminal device is type B, the terminal device obtains one or more blocks, and each block in the one or more blocks includes the following fields:

[0413] SRS request, including 0 or 2 bits;

[0414] TPC command, including 2 bits;

[0415] Assume that the uplink carrier m (m represents the carrier index) corresponds to a TPC command, and the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values

[0416] In this way, when a network device configures at least one SRS resource set on an uplink carrier m for a terminal device, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 0, the at least one SRS resource set is associated with the first cumulative TPC command value among the multiple cumulative TPC command values corresponding to the TPC command and / or the first absolute TPC command value among the multiple absolute TPC command values, and the second cumulative TPC command value and / or the second absolute TPC command value is ignored; or, if the at least one SRS resource set is associated with an SRS power control adjustment state l = 1, the at least one SRS resource set is associated with the second cumulative TPC command value among the multiple cumulative TPC command values corresponding to the TPC command and / or the second absolute TPC command value among the multiple absolute TPC command values, and the first cumulative TPC command value and / or the first absolute TPC command value is ignored.

[0417]

Method 2

[0418] In "Mode 2", this embodiment considers that there is a third SRS resource set and a fourth SRS resource set in the at least one SRS resource set. The third SRS resource set and the fourth SRS resource set are different SRS resource sets respectively, and the third SRS resource set and the fourth SRS resource set are respectively associated with different SRS power control adjustment states.

[0419] The third SRS resource set includes one or more SRS resource sets in the at least one SRS resource set that are associated with the first SRS power control adjustment state; the fourth SRS resource set includes one or more SRS resource sets in the at least one SRS resource set that are associated with the second SRS power control adjustment state.

[0420] The first SRS power control adjustment state and the second SRS power control adjustment state respectively have different indexes. For example, the index of the first SRS power control adjustment state is less than the index of the second SRS power control adjustment state, or the index of the first SRS power control adjustment state is greater than the index of the second SRS power control adjustment state.

[0421] Since the third SRS resource set and the fourth SRS resource set are respectively associated with different SRS power control adjustment states, the third SRS resource set and the fourth SRS resource set can respectively correspond to different cumulative TPC command values and / or different absolute TPC command values.

[0422] That is to say, if an uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, the third SRS resource set in the at least one SRS resource set is associated with the first SRS power control adjustment state, and the fourth SRS resource set in the at least one SRS resource is associated with the second SRS power control adjustment state, then the third SRS resource set is associated with the first cumulative TPC command value among the multiple cumulative TPC command values and / or the first absolute TPC command value among the multiple absolute TPC command values; the fourth SRS resource set is associated with the second cumulative TPC command value among the multiple cumulative TPC command values and / or the second absolute TPC command value among the multiple absolute TPC command values.

[0423] Among them, the first cumulative TPC command value and the second cumulative TPC command value are different cumulative TPC command values respectively; the first absolute TPC command value and the second absolute TPC command value are different absolute TPC command values respectively.

[0424] Optionally, the third SRS resource set is associated with the first SRS power control adjustment state, and the fourth SRS resource set is associated with the second SRS power control adjustment state, which can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0425] Optionally, the third SRS resource set is associated with the first cumulative TPC command value, and the fourth SRS resource set is associated with the second cumulative TPC command value, which can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0426] Optionally, the third SRS resource set is associated with the first absolute TPC command value, and the fourth SRS resource set is associated with the second absolute TPC command value, which can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0427] Optionally, the index of the first SRS power control adjustment state is related to the first cumulative TPC command value and / or the first absolute TPC command value, and the index of the second SRS power control adjustment state is related to the second cumulative TPC command value and / or the second absolute TPC command value.

[0428] For example, if the index of the first SRS power control adjustment state is 0 (i.e., l = 0) and the index of the second SRS power control adjustment state is 1 (i.e., l = 1), then the first cumulative TPC command value is the first cumulative TPC command value among the multiple cumulative TPC command values; the second cumulative TPC command value is the second cumulative TPC command value among the multiple cumulative TPC command values; the first absolute TPC command value is the first absolute TPC command value among the multiple absolute TPC command values; and the second absolute TPC command value is the second absolute TPC command value among the multiple absolute TPC command values.

[0429] That is to say, if there is an SRS resource set associated with the SRS power control adjustment state l = 0 and an SRS resource set associated with the SRS power control adjustment state l = 1 in the at least one SRS resource set, then the SRS resource set associated with the SRS power control adjustment state l = 0 is associated with the first cumulative TPC command value and / or the first absolute TPC command value, and the SRS resource set associated with the SRS power control adjustment state l = 1 is associated with the second cumulative TPC command value and / or the second absolute TPC command value.

[0430] Of course, this embodiment is not limited to associating the SRS resource set with the SRS power control adjustment state l = 0 with the first cumulative TPC command value and / or the first absolute TPC command value. The SRS resource associated with the SRS power control adjustment state l = 0 can be associated with the second cumulative TPC command value and / or the second absolute TPC command value, and can be associated with any cumulative TPC command value and / or any absolute TPC command value.

[0431] Similarly, this embodiment is not limited to associating the SRS resource set with the SRS power control adjustment state l = 1 with the second cumulative TPC command value and / or the second absolute TPC command value. The SRS resource associated with the SRS power control adjustment state l = 1 can be associated with the first cumulative TPC command value and / or the first absolute TPC command value, and can be associated with any cumulative TPC command value and / or any absolute TPC command value. As long as it is ensured that the SRS resources associated with the SRS power control adjustment state l = 0 and the SRS resources associated with the SRS power control adjustment state l = 1 are respectively associated with different cumulative TPC command values and / or absolute TPC command values, and the SRS power control adjustment state l = 0 and the SRS power control adjustment state l = 1 are related to their respective cumulative TPC command values and / or absolute TPC command values.

[0432] Optionally, the first SRS power control adjustment state is associated with the first cumulative TPC command value and the second SRS power control adjustment state is associated with the second cumulative TPC command value, which can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network configured, can be pre-configured, and can be specified by the protocol.

[0433]

Method 3

[0434] In "Method 3", this embodiment considers that there are a third SRS resource set, a fourth SRS resource set, and a fifth SRS resource set in the at least one SRS resource set. The third SRS resource set, the fourth SRS resource set, and the fifth SRS resource set are different SRS resource sets respectively, and the third SRS resource set, the fourth SRS resource set, and the fifth SRS resource set are respectively associated with different SRS power control adjustment states.

[0435] The third SRS resource set includes one or more SRS resource sets in the at least one SRS resource set that are associated with the first SRS power control adjustment state; the fourth SRS resource set includes one or more SRS resource sets in the at least one SRS resource set that are associated with the second SRS power control adjustment state; the fifth SRS resource set includes one or more SRS resource sets in the at least one SRS resource set that are associated with the third SRS power control adjustment state.

[0436] The first SRS power control adjustment state, the second SRS power control adjustment state, and the third SRS power control adjustment state each have different indexes.

[0437] For example, the index of the first SRS power control adjustment state is less than the index of the second SRS power control adjustment state, and the index of the second SRS power control adjustment state is less than the index of the third SRS power control adjustment state. That is to say, the indexes of the first SRS power control adjustment state, the second SRS power control adjustment state, and the third SRS power control adjustment state are in ascending order from smallest to largest.

[0438] For another example, the index of the first SRS power control adjustment state is greater than the index of the second SRS power control adjustment state, and the index of the second SRS power control adjustment state is greater than the index of the third SRS power control adjustment state. That is to say, the indexes of the first SRS power control adjustment state, the second SRS power control adjustment state, and the third SRS power control adjustment state are in descending order from largest to smallest.

[0439] Since the third SRS resource set, the fourth SRS resource set, and the fifth SRS resource set are respectively associated with different SRS power control adjustment states, the third SRS resource set, the fourth SRS resource set, and the fifth SRS resource set can be respectively corresponding to different cumulative TPC command values and / or different absolute TPC command values.

[0440] That is to say, if one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, the third SRS resource set in the at least one SRS resource set is associated with the first SRS power control adjustment state, the fourth SRS resource set in the at least one SRS resource is associated with the second SRS power control adjustment state, and the fifth SRS resource set in the at least one SRS resource is associated with the third SRS power control adjustment state, then the third SRS resource set is associated with the first cumulative TPC command value among the multiple cumulative TPC command values and / or the first absolute TPC command value among the multiple absolute TPC command values; the fourth SRS resource set is associated with the second cumulative TPC command value among the multiple cumulative TPC command values and / or the second absolute TPC command value among the multiple absolute TPC command values; the fifth SRS resource set is associated with the third cumulative TPC command value among the multiple cumulative TPC command values and / or the third absolute TPC command value among the multiple absolute TPC command values.

[0441] Among them, the first cumulative TPC command value, the second cumulative TPC command value, and the third cumulative TPC command value are respectively different cumulative TPC command values; the first absolute TPC command value, the second absolute TPC command value, and the third absolute TPC command value are respectively different absolute TPC command values.

[0442] Optionally, the association of the third SRS resource set with the first SRS power control adjustment state, the association of the fourth SRS resource set with the second SRS power control adjustment state, and the association of the fifth SRS resource set with the third SRS power control adjustment state can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0443] Optionally, the association of the third SRS resource set with the first cumulative TPC command value, the association of the fourth SRS resource set with the second cumulative TPC command value, and the association of the fifth SRS resource set with the third cumulative TPC command value can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0444] Optionally, the association of the third SRS resource set with the first absolute TPC command value, the association of the fourth SRS resource set with the second absolute TPC command value, and the association of the fifth SRS resource set with the third absolute TPC command value can be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, can be network-configured, can be pre-configured, or can be specified by the protocol.

[0445] Optionally, the index of the first SRS power control adjustment state is related to the first cumulative TPC command value and / or the first absolute TPC command value, the index of the second SRS power control adjustment state is related to the second cumulative TPC command value and / or the second absolute TPC command value, and the index of the third SRS power control adjustment state is related to the third cumulative TPC command value and / or the third absolute TPC command value.

[0446] For example, if the index of the first SRS power control adjustment state is 0 (i.e., l = 0), the index of the second SRS power control adjustment state is 1 (i.e., l = 1), and the index of the third SRS power control adjustment state is 2 (i.e., l = 2), then the first cumulative TPC command value is the first cumulative TPC command value among the multiple cumulative TPC command values; the second cumulative TPC command value is the second cumulative TPC command value among the multiple cumulative TPC command values; the third cumulative TPC command value is the third cumulative TPC command value among the multiple cumulative TPC command values; the first absolute TPC command value is the first absolute TPC command value among the multiple absolute TPC command values; the second absolute TPC command value is the second absolute TPC command value among the multiple absolute TPC command values; and the third absolute TPC command value is the third absolute TPC command value among the multiple absolute TPC command values.

[0447] That is to say, if there are SRS resource sets associated with SRS power control adjustment state l = 0, SRS resource sets associated with SRS power control adjustment state l = 1, and SRS resource sets associated with SRS power control adjustment state l = 2 in the at least one SRS resource set, then the SRS resource set associated with SRS power control adjustment state l = 0 is associated with the first cumulative TPC command value and / or the first absolute TPC command value, the SRS resource set associated with SRS power control adjustment state l = 1 is associated with the second cumulative TPC command value and / or the second absolute TPC command value, and the SRS resource set associated with SRS power control adjustment state l = 2 is associated with the third cumulative TPC command value and / or the third absolute TPC command value.

[0448] Of course, this embodiment is not limited to the SRS resource set associated with SRS power control adjustment state l = 0 being associated with the first cumulative TPC command value and / or the first absolute TPC command value. The SRS resource associated with SRS power control adjustment state l = 0 can be associated with the second cumulative TPC command value and / or the second absolute TPC command value, and can be associated with any cumulative TPC command value and / or any absolute TPC command value.

[0449] Similarly, this embodiment is not limited to the SRS resource set associated with SRS power control adjustment state l = 1 being associated with the second cumulative TPC command value and / or the second absolute TPC command value. The SRS resource associated with SRS power control adjustment state l = 1 can be associated with the first cumulative TPC command value and / or the first absolute TPC command value, and can be associated with any cumulative TPC command value and / or any absolute TPC command value.

[0450] Similarly, this embodiment is not limited to the SRS resource set associated with SRS power control adjustment state l = 2 being associated with the third cumulative TPC command value and / or the third absolute TPC command value. The SRS resource associated with SRS power control adjustment state l = 2 can be associated with the first cumulative TPC command value and / or the first absolute TPC command value, and can be associated with any cumulative TPC command value and / or any absolute TPC command value.

[0451] As long as it is ensured that the SRS resources associated with SRS power control adjustment state l = 0, the SRS resources associated with SRS power control adjustment state l = 1, and the SRS resources associated with SRS power control adjustment state l = 2 are respectively associated with different cumulative TPC command values and / or absolute TPC command values, and the SRS power control adjustment state l = 0, the SRS power control adjustment state l = 1, and the SRS power control adjustment state l = 2 are respectively related to their respective cumulative TPC command values and / or absolute TPC command values.

[0452] Optionally, the first SRS power control adjustment state is associated with a first absolute TPC command value, the second SRS power control adjustment state is associated with a second absolute TPC command value, and the third SRS power control adjustment state is associated with a third absolute TPC command value, which may be configured by higher layer signaling (such as RRC signaling, MAC signaling) or DCI, may be network-configured, may be pre-configured, or may be specified by the protocol.

[0453] 6. Example description of a communication method

[0454] Based on the above, taking the interaction between a network device and a terminal device as an example, an example introduction of a communication method according to an embodiment of the present application is given. It should be noted that the network device may be a chip, a chip module, or a communication module, etc., and the terminal device may be a chip, a chip module, or a communication module, etc. That is to say, this method is applied to the network device or the terminal device, and no specific limitation is made thereto.

[0455] As Figure 3 shown, it is a schematic flowchart of a communication method according to an embodiment of the present application, which specifically includes the following steps:

[0456] S310. The network device sends information for configuring at least one SRS resource set, the at least one SRS resource set is associated with an SRS power control adjustment state, and the at least one SRS resource set corresponds to an accumulated TPC command value and / or an absolute TPC command value.

[0457] Among them, the information for configuring at least one SRS resource set may be carried by higher layer information / higher layer signaling / DCI.

[0458] Correspondingly, the terminal device obtains at least one SRS resource set.

[0459] It should be noted that the terminal device will receive the information for configuring at least one SRS resource set and obtain at least one SRS resource set according to this information.

[0460] S320. The network device sends one or more TPC commands corresponding to an uplink carrier for transmitting SRS, and the TPC commands correspond to an accumulated TPC command value and / or an absolute TPC command value.

[0461] Correspondingly, the terminal device obtains one or more TPC commands corresponding to an uplink carrier for transmitting SRS.

[0462] It should be noted that the one or more TPC commands corresponding to an uplink carrier for transmitting SRS sent by the network device may be carried / indicated / configured by higher layer information / higher layer signaling / DCI.

[0463] In addition, the present embodiment does not specifically limit the order between steps S310 and S320.

[0464] For example, in the present embodiment, S310 may be executed first and then S320, or S320 may be executed first and then S310. Alternatively, in the present embodiment, S310 and S320 may be executed simultaneously, and no specific limitation is imposed thereon.

[0465] In addition, the information for configuring at least one SRS resource set and one or more TPC commands corresponding to an uplink carrier for transmitting SRS may be carried by different high-layer information / high-layer signaling / DCI, etc.

[0466] It can be seen that in the present embodiment, one or more TPC commands corresponding to an uplink carrier, and the TPC commands corresponding to the cumulative TPC command value and / or the absolute TPC command value can be used to enhance the SRS transmission, so as to adapt to the new communication scenario through the enhancement of the SRS transmission and ensure the uplink transmission performance and reliability in the new communication scenario.

[0467] Combined with the above content, some possible implementation manners will be described below. For those not described, reference can be made to the above content, and details will not be repeated here.

[0468] Optionally, if an uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to a cumulative TPC command value and / or an absolute TPC command value, and the SRS power control adjustment states associated with at least one SRS resource set are the same, then at least one SRS resource set is associated with the same TPC command among the multiple TPC commands.

[0469] Optionally, if an uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to a cumulative TPC command value and / or an absolute TPC command value, the first SRS resource set in at least one SRS resource set is associated with a first SRS power control adjustment state, and the second SRS resource set in at least one SRS resource is associated with a second SRS power control adjustment state, then

[0470] the first SRS resource set is associated with a first TPC command among the multiple TPC commands, and the second SRS resource set is associated with a second TPC command among the multiple TPC commands.

[0471] Optionally, if the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then the first TPC command is the first TPC command among the multiple TPC commands, and the second TPC command is the second TPC command among the multiple TPC commands.

[0472] Optionally, if one uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to an accumulated TPC command value and / or an absolute TPC command value, the first SRS resource set in at least one SRS resource set is associated with a first SRS power control adjustment state, the second SRS resource set in at least one SRS resource is associated with a second SRS power control adjustment state, and the third SRS resource set in at least one SRS resource is associated with a third SRS power control adjustment state, then

[0473] The first SRS resource set is associated with a first TPC command among the multiple TPC commands, the second SRS resource set is associated with a second TPC command among the multiple TPC commands, and the third SRS resource set is associated with a third TPC command among the multiple TPC commands.

[0474] Optionally, if the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then

[0475] The first TPC command is the first TPC command among the multiple TPC commands, the second TPC command is the second TPC command among the multiple TPC commands, and the third TPC command is the third TPC command among the multiple TPC commands.

[0476] Optionally, if one uplink carrier corresponds to one TPC command and the TPC command corresponds to an accumulated TPC command value and / or an absolute TPC command value, then at least one SRS resource set is associated with the TPC command.

[0477] Optionally, if one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple accumulated TPC command values and / or multiple absolute TPC command values, and the SRS power control adjustment states associated with at least one SRS resource set are the same, then

[0478] At least one SRS resource set is associated with the same accumulated TPC command value among the multiple accumulated TPC command values and / or the same absolute TPC command value among the multiple absolute TPC command values.

[0479] Optionally, if one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple accumulated TPC command values and / or multiple absolute TPC command values, the third SRS resource set in at least one SRS resource set is associated with a first SRS power control adjustment state, and the fourth SRS resource set in at least one SRS resource is associated with a second SRS power control adjustment state, then

[0480] The third SRS resource set is associated with the first cumulative TPC command value among multiple cumulative TPC command values and / or the first absolute TPC command value among multiple absolute TPC command values;

[0481] The fourth SRS resource set is associated with the second cumulative TPC command value among multiple cumulative TPC command values and / or the second absolute TPC command value among multiple absolute TPC command values.

[0482] Optionally, if the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then

[0483] The first cumulative TPC command value is the first cumulative TPC command value among multiple cumulative TPC command values;

[0484] The second cumulative TPC command value is the second cumulative TPC command value among multiple cumulative TPC command values;

[0485] The first absolute TPC command value is the first absolute TPC command value among multiple absolute TPC command values;

[0486] The second absolute TPC command value is the second absolute TPC command value among multiple absolute TPC command values.

[0487] Optionally, if one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, the third SRS resource set in at least one SRS resource set is associated with the first SRS power control adjustment state, the fourth SRS resource set in at least one SRS resource is associated with the second SRS power control adjustment state, and the fifth SRS resource set in at least one SRS resource is associated with the third SRS power control adjustment state, then

[0488] The third SRS resource set is associated with the first cumulative TPC command value among multiple cumulative TPC command values and / or the first absolute TPC command value among multiple absolute TPC command values;

[0489] The fourth SRS resource set is associated with the second cumulative TPC command value among multiple cumulative TPC command values and / or the second absolute TPC command value among multiple absolute TPC command values;

[0490] The fifth SRS resource set is associated with the third cumulative TPC command value among multiple cumulative TPC command values and / or the third absolute TPC command value among multiple absolute TPC command values.

[0491] Optionally, if the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then

[0492] The first cumulative TPC command value is the first cumulative TPC command value among multiple cumulative TPC command values;

[0493] The second cumulative TPC command value is the second cumulative TPC command value among multiple cumulative TPC command values;

[0494] The third cumulative TPC command value is the third cumulative TPC command value among multiple cumulative TPC command values;

[0495] The first absolute TPC command value is the first absolute TPC command value among multiple absolute TPC command values;

[0496] The second absolute TPC command value is the second absolute TPC command value among multiple absolute TPC command values;

[0497] The third absolute TPC command value is the third absolute TPC command value among multiple absolute TPC command values.

[0498] Optionally, in S320, the network device sends multiple TPC commands corresponding to one uplink carrier for transmitting SRS, including:

[0499] The network device sends DCI, and at least one block information in the DCI includes one or more TPC commands corresponding to one uplink carrier for transmitting SRS.

[0500] Correspondingly, the terminal device obtains the DCI, thereby implementing one or more TPC commands corresponding to one uplink carrier for transmitting SRS through the DCI.

[0501] III. Example description of functional units of a communication device

[0502] The above mainly introduces the solution of the embodiment of the present application from the perspective of the method side. It can be understood that in order for the terminal device to implement the above functions, it includes the corresponding hardware structure and / or software module for executing each function. Those skilled in the art should easily realize that, combined with the units and algorithm steps of each example described in the embodiments disclosed in this article, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed in the way of hardware or computer software driving hardware depends on the specific application and design constraint conditions of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present application.

[0503] The embodiments of the present application can divide the functional units of the terminal device according to the above method examples. For example, each functional unit can be divided corresponding to each function, or two or more functions can be integrated into one processing unit. The above integrated unit can be implemented in the form of hardware or in the form of a software program module. It should be noted that the division of units in the embodiments of the present application is illustrative, only a logical function division, and there may be other division methods in actual implementation.

[0504] In the case of adopting the integrated unit, Figure 4 It is a block diagram of the functional unit composition of a communication device according to an embodiment of the present application. Among them, the communication device 400 includes an acquisition unit 401.

[0505] Optionally, the acquisition unit 401 can be a module unit for acquiring and processing signals, information, etc., and no specific limitation is made thereto.

[0506] Optionally, the communication device 400 can further include a sending unit. Among them, the sending unit can be a module unit for sending and processing signals, information, etc., and no specific limitation is made thereto.

[0507] Optionally, the communication device 400 can further include a storage unit for storing the computer program code or instructions executed by the communication device 400. Among them, the storage unit can be a memory.

[0508] Optionally, the communication device 400 can be a chip or a chip module.

[0509] Optionally, the acquisition unit 401 can be integrated in the communication unit. Among them, the communication unit can be a communication interface, a transceiver, a transceiver circuit, etc.

[0510] Optionally, the acquisition unit 401 can be integrated in the processing unit.

[0511] It should be noted that the processing unit can be a processor or a controller. For example, it can be a baseband processor, a baseband chip, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute various exemplary logical blocks, modules, and circuits described in connection with the disclosure of this application. The processing unit can also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, etc.

[0512] Optionally, the communication device 400 is used to execute any step performed by a terminal device / chip / chip module, etc. in the above method embodiments.

[0513] In specific implementation, the obtaining unit 401 is used to execute any step in the above method embodiments, and when performing actions such as sending, it can optionally call other units to complete the corresponding operations. Details are described below.

[0514] The obtaining unit 401 is used to obtain at least one SRS resource set, and obtain one or more TPC commands corresponding to an uplink carrier for transmitting SRS;

[0515] The TPC command corresponds to an accumulated TPC command value and / or an absolute TPC command value;

[0516] At least one SRS resource set is associated with an SRS power control adjustment state, and at least one SRS resource set corresponds to an accumulated TPC command value and / or an absolute TPC command value.

[0517] It can be seen that in this embodiment, one or more TPC commands corresponding to an uplink carrier, and the TPC command corresponding to an accumulated TPC command value and / or an absolute TPC command value can be used to enhance SRS transmission, so as to adapt to a new communication scenario through the enhancement of SRS transmission and ensure the uplink transmission performance and reliability in the new communication scenario.

[0518] It should be noted that Figure 4 The specific implementation of each operation in the above embodiment can be found in the description of the method embodiment shown above, and will not be specifically elaborated here.

[0519] Optionally, if one uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to an accumulated TPC command value and / or an absolute TPC command value, and the SRS power control adjustment states associated with at least one SRS resource set are the same, then at least one SRS resource set is associated with the same TPC command among the multiple TPC commands.

[0520] Optionally, if one uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to an accumulated TPC command value and / or an absolute TPC command value, the first SRS resource set among at least one SRS resource set is associated with a first SRS power control adjustment state, and the second SRS resource set among at least one SRS resource is associated with a second SRS power control adjustment state, then

[0521] The first SRS resource set is associated with a first TPC command among the multiple TPC commands, and the second SRS resource set is associated with a second TPC command among the multiple TPC commands.

[0522] Optionally, if the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then the first TPC command is the first TPC command among the multiple TPC commands, and the second TPC command is the second TPC command among the multiple TPC commands.

[0523] Optionally, if one uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to an accumulated TPC command value and / or an absolute TPC command value, the first SRS resource set among at least one SRS resource set is associated with a first SRS power control adjustment state, the second SRS resource set among at least one SRS resource is associated with a second SRS power control adjustment state, and the third SRS resource set among at least one SRS resource is associated with a third SRS power control adjustment state, then

[0524] The first SRS resource set is associated with a first TPC command among the multiple TPC commands, the second SRS resource set is associated with a second TPC command among the multiple TPC commands, and the third SRS resource set is associated with a third TPC command among the multiple TPC commands.

[0525] Optionally, if the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then

[0526] The first TPC command is the first TPC command among the multiple TPC commands, the second TPC command is the second TPC command among the multiple TPC commands, and the third TPC command is the third TPC command among the multiple TPC commands.

[0527] Optionally, if an uplink carrier corresponds to a TPC command, and the TPC command corresponds to an accumulated TPC command value and / or an absolute TPC command value, then at least one SRS resource set is associated with the TPC command.

[0528] Optionally, if an uplink carrier corresponds to a TPC command, the TPC command corresponds to multiple accumulated TPC command values and / or multiple absolute TPC command values, and the SRS power control adjustment states associated with at least one SRS resource set are the same, then

[0529] at least one SRS resource set is associated with the same accumulated TPC command value among the multiple accumulated TPC command values and / or the same absolute TPC command value among the multiple absolute TPC command values.

[0530] Optionally, if an uplink carrier corresponds to a TPC command, the TPC command corresponds to multiple accumulated TPC command values and / or multiple absolute TPC command values, the third SRS resource set in at least one SRS resource set is associated with a first SRS power control adjustment state, and the fourth SRS resource set in at least one SRS resource is associated with a second SRS power control adjustment state, then

[0531] the third SRS resource set is associated with a first accumulated TPC command value among the multiple accumulated TPC command values and / or a first absolute TPC command value among the multiple absolute TPC command values;

[0532] the fourth SRS resource set is associated with a second accumulated TPC command value among the multiple accumulated TPC command values and / or a second absolute TPC command value among the multiple absolute TPC command values.

[0533] Optionally, if the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then

[0534] the first accumulated TPC command value is the first accumulated TPC command value among the multiple accumulated TPC command values;

[0535] the second accumulated TPC command value is the second accumulated TPC command value among the multiple accumulated TPC command values;

[0536] the first absolute TPC command value is the first absolute TPC command value among the multiple absolute TPC command values;

[0537] the second absolute TPC command value is the second absolute TPC command value among the multiple absolute TPC command values.

[0538] Optionally, if an uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, the third SRS resource set in at least one SRS resource set is associated with a first SRS power control adjustment state, the fourth SRS resource set in at least one SRS resource is associated with a second SRS power control adjustment state, and the fifth SRS resource set in at least one SRS resource is associated with a third SRS power control adjustment state, then

[0539] The third SRS resource set is associated with a first cumulative TPC command value among multiple cumulative TPC command values and / or a first absolute TPC command value among multiple absolute TPC command values;

[0540] The fourth SRS resource set is associated with a second cumulative TPC command value among multiple cumulative TPC command values and / or a second absolute TPC command value among multiple absolute TPC command values;

[0541] The fifth SRS resource set is associated with a third cumulative TPC command value among multiple cumulative TPC command values and / or a third absolute TPC command value among multiple absolute TPC command values.

[0542] Optionally, if the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then

[0543] The first cumulative TPC command value is the first cumulative TPC command value among multiple cumulative TPC command values;

[0544] The second cumulative TPC command value is the second cumulative TPC command value among multiple cumulative TPC command values;

[0545] The third cumulative TPC command value is the third cumulative TPC command value among multiple cumulative TPC command values;

[0546] The first absolute TPC command value is the first absolute TPC command value among multiple absolute TPC command values;

[0547] The second absolute TPC command value is the second absolute TPC command value among multiple absolute TPC command values;

[0548] The third absolute TPC command value is the third absolute TPC command value among multiple absolute TPC command values.

[0549] Optionally, in terms of obtaining one or more TPC commands corresponding to an uplink carrier for transmitting SRS, the obtaining unit 401 is used for:

[0550] Obtain DCI, where at least one piece of block information in the DCI includes one or more TPC commands corresponding to an uplink carrier for transmitting SRS.

[0551] IV. Example description of the functional units of another communication device

[0552] The above mainly introduced the solution of the embodiments of the present application from the perspective of the method side. It can be understood that in order for a network device to implement the above functions, it includes the corresponding hardware structure and / or software module for executing each function. Those skilled in the art should easily realize that, combining the units and algorithm steps of each example described in the embodiments disclosed herein, the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed in the way of hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered to exceed the scope of the present application.

[0553] The embodiments of the present application can divide the functional units of the network device according to the above method examples. For example, each functional unit can be divided corresponding to each function, or two or more functions can be integrated into one processing unit. The above integrated unit can be implemented in the form of hardware or in the form of a software program module. It should be noted that the division of units in the embodiments of the present application is illustrative, only a logical function division, and there may be other division methods in actual implementation.

[0554] In the case of adopting an integrated unit, Figure 5 is a block diagram of the composition of the functional units of another communication device according to the embodiments of the present application. Among them, the communication device 500 includes a sending unit 501.

[0555] Optionally, the sending unit 501 can be a module unit for performing sending processing on signals, information, etc., and no specific limitation is made thereto.

[0556] Optionally, the communication device 500 may further include a receiving unit. Among them, the receiving unit can be a module unit for performing receiving processing on signals, information, etc., and no specific limitation is made thereto.

[0557] Optionally, the communication device 500 may further include a storage unit for storing the computer program code or instructions executed by the communication device 500. Among them, the storage unit can be a memory.

[0558] Optionally, the communication device 500 can be a chip or a chip module.

[0559] Optionally, the sending unit 501 may be integrated in the communication unit. Herein, the communication unit may be a communication interface, a transceiver, a transceiver circuit, etc.

[0560] Optionally, the sending unit 501 may be integrated in the processing unit.

[0561] It should be noted that the processing unit may be a processor or a controller. For example, it may be a baseband processor, a baseband chip, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute various exemplary logical blocks, modules, and circuits described in conjunction with the disclosure of this application. The processing unit may also be a combination that implements a computing function, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, etc.

[0562] Optionally, the communication device 500 is used to execute any step performed by a chip / chip module / network device, etc. in the above method embodiments.

[0563] In specific implementation, the sending unit 501 is used to execute any step in the above method embodiments, and when performing actions such as sending, other units can be selectively called to complete the corresponding operations. Details are described below.

[0564] The sending unit 501 is used to send information for configuring at least one SRS resource set, and send one or more TPC commands corresponding to an uplink carrier for transmitting SRS;

[0565] The TPC command corresponds to a cumulative TPC command value and / or an absolute TPC command value;

[0566] At least one SRS resource set is associated with an SRS power control adjustment state, and at least one SRS resource set corresponds to a cumulative TPC command value and / or an absolute TPC command value.

[0567] It can be seen that in this embodiment, one or more TPC commands corresponding to an uplink carrier, and the TPC command corresponding to a cumulative TPC command value and / or an absolute TPC command value can be used to enhance SRS transmission, so as to adapt to a new communication scenario through the enhancement of SRS transmission and ensure the uplink transmission performance and reliability in the new communication scenario.

[0568] It should be noted that Figure 5 For the specific implementation of each operation in the above embodiments, reference can be made to the description in the method embodiments shown above, and details will not be repeated here.

[0569] Optionally, if one uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to an accumulated TPC command value and / or an absolute TPC command value, and the SRS power control adjustment states associated with at least one SRS resource set are the same, then at least one SRS resource set is associated with the same TPC command among the multiple TPC commands.

[0570] Optionally, if one uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to an accumulated TPC command value and / or an absolute TPC command value, the first SRS resource set in at least one SRS resource set is associated with a first SRS power control adjustment state, and the second SRS resource set in at least one SRS resource is associated with a second SRS power control adjustment state, then

[0571] the first SRS resource set is associated with a first TPC command among the multiple TPC commands, and the second SRS resource set is associated with a second TPC command among the multiple TPC commands.

[0572] Optionally, if the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then the first TPC command is the first TPC command among the multiple TPC commands, and the second TPC command is the second TPC command among the multiple TPC commands.

[0573] Optionally, if one uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to an accumulated TPC command value and / or an absolute TPC command value, the first SRS resource set in at least one SRS resource set is associated with a first SRS power control adjustment state, the second SRS resource set in at least one SRS resource is associated with a second SRS power control adjustment state, and the third SRS resource set in at least one SRS resource is associated with a third SRS power control adjustment state, then

[0574] the first SRS resource set is associated with a first TPC command among the multiple TPC commands, the second SRS resource set is associated with a second TPC command among the multiple TPC commands, and the third SRS resource set is associated with a third TPC command among the multiple TPC commands.

[0575] Optionally, if the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then

[0576] The first TPC command is the first TPC command among multiple TPC commands, the second TPC command is the second TPC command among multiple TPC commands, and the third TPC command is the third TPC command among multiple TPC commands.

[0577] Optionally, if one uplink carrier corresponds to one TPC command, and the TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value, then at least one SRS resource set is associated with the TPC command.

[0578] Optionally, if one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, and the SRS power control adjustment states associated with at least one SRS resource set are the same, then

[0579] at least one SRS resource set is associated with the same cumulative TPC command value among multiple cumulative TPC command values and / or the same absolute TPC command value among multiple absolute TPC command values.

[0580] Optionally, if one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, the third SRS resource set in at least one SRS resource set is associated with the first SRS power control adjustment state, and the fourth SRS resource set in at least one SRS resource is associated with the second SRS power control adjustment state, then

[0581] the third SRS resource set is associated with the first cumulative TPC command value among multiple cumulative TPC command values and / or the first absolute TPC command value among multiple absolute TPC command values;

[0582] the fourth SRS resource set is associated with the second cumulative TPC command value among multiple cumulative TPC command values and / or the second absolute TPC command value among multiple absolute TPC command values.

[0583] Optionally, if the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then

[0584] the first cumulative TPC command value is the first cumulative TPC command value among multiple cumulative TPC command values;

[0585] the second cumulative TPC command value is the second cumulative TPC command value among multiple cumulative TPC command values;

[0586] the first absolute TPC command value is the first absolute TPC command value among multiple absolute TPC command values;

[0587] The second absolute TPC command value is the second absolute TPC command value among multiple absolute TPC command values.

[0588] Optionally, if one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple cumulative TPC command values and / or multiple absolute TPC command values, the third SRS resource set in at least one SRS resource set is associated with a first SRS power control adjustment state, the fourth SRS resource set in at least one SRS resource is associated with a second SRS power control adjustment state, and the fifth SRS resource set in at least one SRS resource is associated with a third SRS power control adjustment state, then

[0589] The third SRS resource set is associated with a first cumulative TPC command value among multiple cumulative TPC command values and / or a first absolute TPC command value among multiple absolute TPC command values;

[0590] The fourth SRS resource set is associated with a second cumulative TPC command value among multiple cumulative TPC command values and / or a second absolute TPC command value among multiple absolute TPC command values;

[0591] The fifth SRS resource set is associated with a third cumulative TPC command value among multiple cumulative TPC command values and / or a third absolute TPC command value among multiple absolute TPC command values.

[0592] Optionally, if the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then

[0593] The first cumulative TPC command value is the first cumulative TPC command value among multiple cumulative TPC command values;

[0594] The second cumulative TPC command value is the second cumulative TPC command value among multiple cumulative TPC command values;

[0595] The third cumulative TPC command value is the third cumulative TPC command value among multiple cumulative TPC command values;

[0596] The first absolute TPC command value is the first absolute TPC command value among multiple absolute TPC command values;

[0597] The second absolute TPC command value is the second absolute TPC command value among multiple absolute TPC command values;

[0598] The third absolute TPC command value is the third absolute TPC command value among multiple absolute TPC command values.

[0599] Optionally, in terms of sending one or more TPC commands corresponding to an uplink carrier for transmitting SRS, the sending unit 501 is configured to:

[0600] Send DCI, where at least one block information in the DCI includes one or more TPC commands corresponding to an uplink carrier for transmitting SRS.

[0601] V. Example description of a terminal device

[0602] Please refer to Figure 6 , Figure 6 which is a schematic structural diagram of a terminal device according to an embodiment of the present application. Among them, the terminal device 600 may include a processor 610, a memory 620, and a communication bus for connecting the processor 610 and the memory 620.

[0603] Optionally, the memory 620 includes, but is not limited to, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), or a compact disc read-only memory (CD-ROM). The memory 620 is used to store program codes and data transmitted by the terminal device 600.

[0604] Optionally, the terminal device 600 further includes a communication interface for receiving and sending data.

[0605] Optionally, the terminal device 600 may be the above-mentioned first terminal device.

[0606] Optionally, the processor 610 may be one or more CPUs. When the processor 610 is a single CPU, the CPU may be a single-core CPU or a multi-core CPU.

[0607] Optionally, the processor 610 may be a baseband chip, a chip, a CPU, a general-purpose processor, a DSP, an ASIC, an FPGA, or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof.

[0608] Specifically, the processor 610 in the terminal device 600 is configured to execute the computer program or instruction 621 stored in the memory 620 and perform the following operations:

[0609] Obtain at least one SRS resource set, and obtain one or more TPC commands corresponding to an uplink carrier for transmitting SRS;

[0610] The TPC command corresponds to the cumulative TPC command value and / or the absolute TPC command value;

[0611] At least one SRS resource set is associated with the SRS power control adjustment state, and at least one SRS resource set corresponds to the cumulative TPC command value and / or the absolute TPC command value.

[0612] It can be seen that in this embodiment, one or more TPC commands can be corresponding to one uplink carrier, and the TPC command corresponds to the cumulative TPC command value and / or the absolute TPC command value, so as to enhance the SRS transmission, so as to adapt to the new communication scenario through the enhancement of the SRS transmission, and ensure the uplink transmission performance and reliability in the new communication scenario.

[0613] It should be noted that the specific implementation of each operation can adopt the corresponding description of the method embodiment shown above. The terminal device 600 can be used to execute the method embodiment of the present application above, which will not be elaborated here.

[0614] VI. Example description of a network device

[0615] Please refer to Figure 7 , Figure 7 which is a schematic structural diagram of a network device provided by an embodiment of the present application. Among them, the network device 700 includes a processor 710, a memory 720, and a communication bus for connecting the processor 710 and the memory 720.

[0616] Optionally, the memory 720 includes but is not limited to RAM, ROM, EPROM or CD-ROM, and the memory 720 is used to store relevant instructions and data.

[0617] Optionally, the network device 700 further includes a communication interface, which is used to receive and send data.

[0618] Optionally, the processor 710 can be one or more CPUs. When the processor 710 is a single CPU, the CPU can be a single-core CPU or a multi-core CPU.

[0619] Optionally, the processor 710 can be a baseband chip, a chip, a CPU, a general-purpose processor, a DSP, an ASIC, an FPGA or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.

[0620] Optionally, the processor 710 in the network device 700 is used to execute the computer program or instruction 721 stored in the memory 720 and perform the following operations:

[0621] Transmit information for configuring at least one SRS resource set, and transmit one or more TPC commands corresponding to an uplink carrier for transmitting SRS;

[0622] The TPC command corresponds to an accumulated TPC command value and / or an absolute TPC command value;

[0623] At least one SRS resource set is associated with an SRS power control adjustment state, and at least one SRS resource set corresponds to an accumulated TPC command value and / or an absolute TPC command value.

[0624] It can be seen that in this embodiment, one or more TPC commands can be corresponding to an uplink carrier, and the TPC command corresponds to an accumulated TPC command value and / or an absolute TPC command value, so as to enhance the SRS transmission, so as to adapt to a new communication scenario through the enhancement of the SRS transmission, and ensure the uplink transmission performance and reliability in the new communication scenario.

[0625] It should be noted that the specific implementation of each operation can adopt the corresponding description of the method embodiment shown above. The network device 700 can be used to execute the method embodiment of the present application above, which will not be elaborated here.

[0626] VII. Other related example descriptions

[0627] Optionally, the above method embodiment can be applied to a terminal device or in a terminal device. That is to say, the execution subject of the above method embodiment can be a terminal device, a chip, a chip module or a module, etc., which is not specifically limited here.

[0628] Optionally, the above method embodiment can be applied to a network device or in a network device. That is to say, the execution subject of the above method embodiment can be a network device, a chip, a chip module or a module, etc., which is not specifically limited here.

[0629] The embodiment of the present application also provides a chip, including a processor, a memory, and a computer program or instruction stored on the memory. Wherein, the processor executes the computer program or instruction to implement the steps described in the above method embodiment.

[0630] The embodiment of the present application also provides a chip module, including a transceiver component and a chip. The chip includes a processor, a memory, and a computer program or instruction stored on the memory. Wherein, the processor executes the computer program or instruction to implement the steps described in the above method embodiment.

[0631] The embodiment of the present application also provides a computer-readable storage medium, which stores a computer program or instruction, and when the computer program or instruction is executed, it implements the steps described in the above method embodiment.

[0632] The embodiments of the present application further provide a computer program product, including a computer program or instructions, which, when executed, implement the steps described in the above method embodiments.

[0633] The embodiments of the present application further provide a communication system, including the above terminal device and the above network device.

[0634] It should be noted that, for the above embodiments, for the sake of simple description, they are all expressed as a series of action combinations. Those skilled in the art should know that the present application is not limited by the described action sequence, because some steps in the embodiments of the present application can be performed in other sequences or simultaneously. In addition, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions, steps, modules or units involved are not necessarily essential to the embodiments of the present application.

[0635] In the above embodiments, the descriptions of the embodiments of the present application each have their own focuses. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0636] The steps of the method or algorithm described in the embodiments of the present application can be implemented in a hardware manner, or can be implemented by a processor executing software instructions. The software instructions can be composed of corresponding software modules, and the software modules can be stored in a RAM, flash memory, ROM, EPROM, electrically erasable programmable read-only memory (EEPROM), register, hard disk, removable hard disk, CD-ROM (compact disc read-only memory) or any other form of storage medium well known in the art. An exemplary storage medium is coupled to the processor, so that the processor can read information from the storage medium and write information to the storage medium. Of course, the storage medium can also be a component of the processor. The processor and the storage medium can be located in an ASIC. In addition, the ASIC can be located in a terminal device or a management device. Of course, the processor and the storage medium can also exist as discrete components in a terminal device or a management device.

[0637] Those skilled in the art should be able to realize that in one or more of the above examples, the functions described in the embodiments of the present application can be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions can be transmitted from a website, computer, server, or data center to another website, computer, server, or data center by wire (such as coaxial cable, fiber optic, digital subscriber line (DSL)) or wirelessly (such as infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that the computer can access or a data storage device such as a server or data center that includes one or more integrated available media. The available medium can be a magnetic medium (such as a floppy disk, hard disk, magnetic tape), an optical medium (such as a digital video disc (DVD)), or a semiconductor medium (such as a solid state disk (SSD)), etc.

[0638] Each device and product described in the above embodiments includes various modules / units, which can be software modules / units, hardware modules / units, or partly software modules / units and partly hardware modules / units. For example, for each device and product applied to or integrated into a chip, each of the modules / units it includes can be implemented in the form of hardware such as circuits. Or, at least some of the modules / units can be implemented in the form of software programs that run on the processor integrated inside the chip, and the remaining (if any) part of the modules / units can be implemented in the form of hardware such as circuits; for each device and product applied to or integrated into a chip module, each of the modules / units it includes can be implemented in the form of hardware such as circuits. Different modules / units can be located in the same component (such as a chip, a circuit module, etc.) or different components of the chip module. Or, at least some of the modules / units can be implemented in the form of software programs that run on the processor integrated inside the chip module, and the remaining (if any) part of the modules / units can be implemented in the form of hardware such as circuits; for each device and product applied to or integrated into a terminal device, each of the modules / units it includes can be implemented in the form of hardware such as circuits. Different modules / units can be located in the same component (such as a chip, a circuit module, etc.) or different components inside the terminal device. Or, at least some of the modules / units can be implemented in the form of software programs that run on the processor integrated inside the terminal device, and the remaining (if any) part of the modules / units can be implemented in the form of hardware such as circuits.

[0639] The specific embodiments described above further elaborate on the objectives, technical solutions, and beneficial effects of the embodiments of the present application. It should be understood that the above are only the specific embodiments of the embodiments of the present application and are not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent replacements, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application shall be included in the protection scope of the embodiments of the present application.

Claims

1. A communication method, It is characterized in that include: Acquire at least one sounding reference signal SRS resource set, and acquire one or more transmission power control TPC commands corresponding to an uplink carrier used to transmit the SRS; The TPC command corresponds to a cumulative TPC command value and / or an absolute TPC command value; The at least one SRS resource set is associated with an SRS power control adjustment state, and the at least one SRS resource set corresponds to a cumulative TPC command value and / or an absolute TPC command value.

2. The method according to claim 1, It is characterized in that If an uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to a cumulative TPC command value and / or an absolute TPC command value, and the SRS power control adjustment state associated with the at least one SRS resource set is the same, then The at least one SRS resource set is associated with a same TPC command among the multiple TPC commands.

3. The method according to claim 1, It is characterized in that If an uplink carrier corresponds to multiple TPC commands, at least one TPC command among the multiple TPC commands corresponds to a cumulative TPC command value and / or an absolute TPC command value, a first SRS resource set among the at least one SRS resource set is associated with a first SRS power control adjustment state, and a second SRS resource set among the at least one SRS resource set is associated with a second SRS power control adjustment state, then The first SRS resource set is associated with a first TPC command among the multiple TPC commands, and the second SRS resource set is associated with a second TPC command among the multiple TPC commands.

4. The method according to claim 3, It is characterized in that If the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then The first TPC command is a first TPC command among the multiple TPC commands, and the second TPC command is a second TPC command among the multiple TPC commands.

5. The method according to claim 1, It is characterized in that If an uplink carrier corresponds to multiple TPC commands, at least one TPC command in the multiple TPC commands corresponds to a cumulative TPC command value and / or an absolute TPC command value, a first SRS resource set in the at least one SRS resource set is associated with a first SRS power control adjustment state, a second SRS resource set in the at least one SRS resource is associated with a second SRS power control adjustment state, and a third SRS resource set in the at least one SRS resource is associated with a third SRS power control adjustment state, then The first SRS resource set is associated with a first TPC command among the multiple TPC commands, the second SRS resource set is associated with a second TPC command among the multiple TPC commands, and the third SRS resource set is associated with a third TPC command among the multiple TPC commands.

6. The method according to claim 5, It is characterized in that If the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then The first TPC command is the first TPC command among the multiple TPC commands, the second TPC command is the second TPC command among the multiple TPC commands, and the third TPC command is the third TPC command among the multiple TPC commands.

7. The method according to claim 1, It is characterized in that If one uplink carrier corresponds to one TPC command, and the TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value, then The at least one SRS resource set is associated with the TPC command.

8. The method according to claim 1, It is characterized in that If one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple accumulated TPC command values ​​and / or multiple absolute TPC command values, and the SRS power control adjustment states associated with the at least one SRS resource set are the same, then The at least one SRS resource set is associated with a same cumulative TPC command value among the plurality of cumulative TPC command values ​​and / or a same absolute TPC command value among the plurality of absolute TPC command values.

9. The method according to claim 1, It is characterized in that If one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple cumulative TPC command values ​​and / or multiple absolute TPC command values, a third SRS resource set in the at least one SRS resource set is associated with a first SRS power control adjustment state, and a fourth SRS resource set in the at least one SRS resource set is associated with a second SRS power control adjustment state, then The third SRS resource set is associated with a first cumulative TPC command value among the multiple cumulative TPC command values ​​and / or a first absolute TPC command value among the multiple absolute TPC command values; The fourth SRS resource set is associated with a second cumulative TPC command value among the plurality of cumulative TPC command values ​​and / or a second absolute TPC command value among the plurality of absolute TPC command values.

10. The method according to claim 9, It is characterized in that If the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then The first accumulated TPC command value is a first accumulated TPC command value among the multiple accumulated TPC command values; The second accumulated TPC command value is a second accumulated TPC command value among the plurality of accumulated TPC command values; The first absolute TPC command value is a first absolute TPC command value among the multiple absolute TPC command values; The second absolute TPC command value is a second absolute TPC command value among the multiple absolute TPC command values.

11. The method according to claim 1, It is characterized in that If one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple accumulated TPC command values ​​and / or multiple absolute TPC command values, a third SRS resource set in the at least one SRS resource set is associated with a first SRS power control adjustment state, a fourth SRS resource set in the at least one SRS resource is associated with a second SRS power control adjustment state, and a fifth SRS resource set in the at least one SRS resource is associated with a third SRS power control adjustment state, then The third SRS resource set is associated with a first cumulative TPC command value among the multiple cumulative TPC command values ​​and / or a first absolute TPC command value among the multiple absolute TPC command values; The fourth SRS resource set is associated with a second accumulated TPC command value among the plurality of accumulated TPC command values ​​and / or a second absolute TPC command value among the plurality of absolute TPC command values; The fifth SRS resource set is associated with a third cumulative TPC command value among the plurality of cumulative TPC command values ​​and / or a third absolute TPC command value among the plurality of absolute TPC command values.

12. The method according to claim 11, It is characterized in that If the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then The first accumulated TPC command value is a first accumulated TPC command value among the multiple accumulated TPC command values; The second accumulated TPC command value is a second accumulated TPC command value among the plurality of accumulated TPC command values; The third accumulated TPC command value is a third accumulated TPC command value among the plurality of accumulated TPC command values; The first absolute TPC command value is a first absolute TPC command value among the multiple absolute TPC command values; The second absolute TPC command value is a second absolute TPC command value among the plurality of absolute TPC command values; The third absolute TPC command value is a third absolute TPC command value among the plurality of absolute TPC command values.

13. The method according to any one of claims 1 to 12, It is characterized in that The acquiring one or more TPC commands corresponding to an uplink carrier for transmitting the SRS includes: Downlink control information DCI is obtained, where at least one block of information in the DCI includes one or more TPC commands corresponding to an uplink carrier used to transmit an SRS.

14. A communication method, It is characterized in that include: Sending information for configuring at least one sounding reference signal SRS resource set, and sending one or more transmission power control TPC commands corresponding to an uplink carrier for transmitting the SRS; The TPC command corresponds to a cumulative TPC command value and / or an absolute TPC command value; The at least one SRS resource set is associated with an SRS power control adjustment state, and the at least one SRS resource set corresponds to a cumulative TPC command value and / or an absolute TPC command value.

15. The method according to claim 14, It is characterized in that If an uplink carrier corresponds to multiple TPC commands, at least one of the multiple TPC commands corresponds to a cumulative TPC command value and / or an absolute TPC command value, and the SRS power control adjustment state associated with the at least one SRS resource set is the same, then The at least one SRS resource set is associated with a same TPC command among the multiple TPC commands.

16. The method according to claim 14, It is characterized in that If an uplink carrier corresponds to multiple TPC commands, at least one TPC command among the multiple TPC commands corresponds to a cumulative TPC command value and / or an absolute TPC command value, a first SRS resource set among the at least one SRS resource set is associated with a first SRS power control adjustment state, and a second SRS resource set among the at least one SRS resource set is associated with a second SRS power control adjustment state, then The first SRS resource set is associated with a first TPC command among the multiple TPC commands, and the second SRS resource set is associated with a second TPC command among the multiple TPC commands.

17. The method according to claim 16, It is characterized in that If the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then The first TPC command is a first TPC command among the multiple TPC commands, and the second TPC command is a second TPC command among the multiple TPC commands.

18. The method according to claim 14, It is characterized in that If an uplink carrier corresponds to multiple TPC commands, at least one TPC command in the multiple TPC commands corresponds to a cumulative TPC command value and / or an absolute TPC command value, a first SRS resource set in the at least one SRS resource set is associated with a first SRS power control adjustment state, a second SRS resource set in the at least one SRS resource is associated with a second SRS power control adjustment state, and a third SRS resource set in the at least one SRS resource is associated with a third SRS power control adjustment state, then The first SRS resource set is associated with a first TPC command among the multiple TPC commands, the second SRS resource set is associated with a second TPC command among the multiple TPC commands, and the third SRS resource set is associated with a third TPC command among the multiple TPC commands.

19. The method according to claim 18, It is characterized in that If the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then The first TPC command is the first TPC command among the multiple TPC commands, the second TPC command is the second TPC command among the multiple TPC commands, and the third TPC command is the third TPC command among the multiple TPC commands.

20. The method according to claim 14, It is characterized in that If one uplink carrier corresponds to one TPC command, and the TPC command corresponds to one cumulative TPC command value and / or one absolute TPC command value, then The at least one SRS resource set is associated with the TPC command.

21. The method according to claim 14, It is characterized in that If one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple accumulated TPC command values ​​and / or multiple absolute TPC command values, and the SRS power control adjustment states associated with the at least one SRS resource set are the same, then The at least one SRS resource set is associated with a same cumulative TPC command value among the plurality of cumulative TPC command values ​​and / or a same absolute TPC command value among the plurality of absolute TPC command values.

22. The method according to claim 14, It is characterized in that If one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple cumulative TPC command values ​​and / or multiple absolute TPC command values, a third SRS resource set in the at least one SRS resource set is associated with a first SRS power control adjustment state, and a fourth SRS resource set in the at least one SRS resource set is associated with a second SRS power control adjustment state, then The third SRS resource set is associated with a first cumulative TPC command value among the multiple cumulative TPC command values ​​and / or a first absolute TPC command value among the multiple absolute TPC command values; The fourth SRS resource set is associated with a second cumulative TPC command value among the plurality of cumulative TPC command values ​​and / or a second absolute TPC command value among the plurality of absolute TPC command values.

23. The method according to claim 22, It is characterized in that If the index of the first SRS power control adjustment state is 0 and the index of the second SRS power control adjustment state is 1, then The first accumulated TPC command value is a first accumulated TPC command value among the multiple accumulated TPC command values; The second accumulated TPC command value is a second accumulated TPC command value among the plurality of accumulated TPC command values; The first absolute TPC command value is a first absolute TPC command value among the multiple absolute TPC command values; The second absolute TPC command value is a second absolute TPC command value among the multiple absolute TPC command values.

24. The method according to claim 14, It is characterized in that If one uplink carrier corresponds to one TPC command, the TPC command corresponds to multiple accumulated TPC command values ​​and / or multiple absolute TPC command values, a third SRS resource set in the at least one SRS resource set is associated with a first SRS power control adjustment state, a fourth SRS resource set in the at least one SRS resource is associated with a second SRS power control adjustment state, and a fifth SRS resource set in the at least one SRS resource is associated with a third SRS power control adjustment state, then The third SRS resource set is associated with a first cumulative TPC command value among the multiple cumulative TPC command values ​​and / or a first absolute TPC command value among the multiple absolute TPC command values; The fourth SRS resource set is associated with a second accumulated TPC command value among the plurality of accumulated TPC command values ​​and / or a second absolute TPC command value among the plurality of absolute TPC command values; The fifth SRS resource set is associated with a third cumulative TPC command value among the plurality of cumulative TPC command values ​​and / or a third absolute TPC command value among the plurality of absolute TPC command values.

25. The method according to claim 24, It is characterized in that If the index of the first SRS power control adjustment state is 0, the index of the second SRS power control adjustment state is 1, and the index of the third SRS power control adjustment state is 2, then The first accumulated TPC command value is a first accumulated TPC command value among the multiple accumulated TPC command values; The second accumulated TPC command value is a second accumulated TPC command value among the plurality of accumulated TPC command values; The third accumulated TPC command value is a third accumulated TPC command value among the plurality of accumulated TPC command values; The first absolute TPC command value is a first absolute TPC command value among the multiple absolute TPC command values; The second absolute TPC command value is a second absolute TPC command value among the plurality of absolute TPC command values; The third absolute TPC command value is a third absolute TPC command value among the plurality of absolute TPC command values.

26. The method according to any one of claims 14 to 25, It is characterized in that The sending one or more TPC commands corresponding to an uplink carrier for transmitting the SRS includes: Downlink control information DCI is sent, wherein at least one block of information in the DCI includes one or more TPC commands corresponding to an uplink carrier used for transmitting an SRS.

27. A communication device, It is characterized in that include: An acquisition unit, configured to acquire at least one sounding reference signal SRS resource set, and acquire one or more transmission power control TPC commands corresponding to an uplink carrier used to transmit the SRS; The TPC command corresponds to a cumulative TPC command value and / or an absolute TPC command value; The at least one SRS resource set is associated with an SRS power control adjustment state, and the at least one SRS resource set corresponds to a cumulative TPC command value and / or an absolute TPC command value.

28. A communication device, It is characterized in that include: A sending unit, configured to send information for configuring at least one sounding reference signal SRS resource set, and send one or more transmission power control TPC commands corresponding to an uplink carrier for transmitting the SRS; The TPC command corresponds to a cumulative TPC command value and / or an absolute TPC command value; The at least one SRS resource set is associated with an SRS power control adjustment state, and the at least one SRS resource set corresponds to a cumulative TPC command value and / or an absolute TPC command value.

29. A terminal device comprising a processor, a memory and a computer program or instruction stored in the memory, It is characterized in that The processor executes the computer program or instructions to implement the steps of the method according to any one of claims 1 to 13.

30. A network device comprising a processor, a memory and a computer program or instruction stored in the memory, It is characterized in that The processor executes the computer program or instructions to implement the steps of the method according to any one of claims 14 to 26.

31. A chip comprising a processor and a communication interface, It is characterized in that The processor executes the steps of the method according to any one of claims 1 to 26.

32. A computer-readable storage medium, It is characterized in that The computer stores a computer program or an instruction, and when the computer program or the instruction is executed, the steps of the method according to any one of claims 1 to 26 are performed.

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