Method and apparatus for requesting configuration to release periodic sounding reference signal

Abstract

The present disclosure describes methods, systems, and devices for requesting a configuration for releasing a periodic sounding reference signal. The method comprises: transmitting, by a wireless communication device to a wireless communication node, first information for requesting release of a periodic SRS configuration; receiving, by the wireless communication device, second information from the wireless communication node for releasing the periodic SRS configuration; and releasing, by the wireless communication device, the periodic SRS configuration.

Description

Technical Field

[0001] The present disclosure relates generally to wireless communications and, more particularly, to methods and devices for requesting release of a configuration of a periodic sounding reference signal. Background Art

[0002] Wireless communication technology is pushing the world towards an increasingly interconnected and networked society. In the present disclosure, various embodiments of a configuration for requesting release of a periodic sounding reference signal are described.

[0003] In 4G and 5G mobile communication systems, the sounding reference signal (SRS) plays a vital role as an uplink reference signal in the physical transmission process of the air interface. SRS is sent by user equipment (UE) to the network node and is mainly used to obtain uplink channel state information and downlink channel state information. SRS plays an important role in uplink channel state estimation, uplink precoding, downlink channel state estimation, downlink precoding and beam management. SRS includes multiple types, such as periodic SRS, semi-persistent SRS and aperiodic SRS.

[0004] There are issues / problems associated with existing SRS schemes. For example, when periodic SRS is configured, the UE periodically sends the SRS. However, when the UE does not need to periodically send the SRS, for example, when uplink channel state estimation and downlink channel state estimation are not needed, periodically sending the SRS may waste the battery power of the UE, especially when the available battery power of the UE is low / insufficient. This problem may reduce the durability of the UE.

[0005] The present disclosure describes various embodiments of a configuration for requesting release of a periodic sounding reference signal, which may address at least one of a number of problems associated with existing systems to improve performance of wireless communications. Summary of the invention

[0006] The present invention relates to methods, systems and devices for wireless communication, and more specifically, to methods, systems and devices for requesting the release of a periodic sounding reference signal. Various embodiments of the present invention are beneficial to improving wireless communication technology, improving resource utilization efficiency, and / or improving the performance of wireless communication.

[0007] In one embodiment, the present disclosure describes a method for wireless communication. The method includes: a wireless communication device sends first information for requesting to release a periodic SRS configuration to a wireless communication node; the wireless communication device receives second information for releasing the periodic SRS configuration from the wireless communication node; and the wireless communication device releases the periodic SRS configuration.

[0008] In another embodiment, the present disclosure describes another method for wireless communication. The method includes: a wireless communication device sends first information for requesting configuration of a periodic SRS configuration to a wireless communication node; the wireless communication device receives second information for configuring the periodic SRS configuration from the wireless communication node; and the wireless communication device configures the periodic SRS configuration.

[0009] In another embodiment, the present disclosure describes another method for wireless communication. The method includes: receiving, by a wireless communication node, first information from a wireless communication device for requesting to release a periodic SRS configuration; and sending, by the wireless communication node to the wireless communication device, second information for releasing the periodic SRS configuration.

[0010] In another embodiment, the present disclosure describes a method for wireless communication. The method includes: receiving, by a wireless communication node, first information from a wireless communication device for requesting configuration of a periodic SRS configuration; and sending, by the wireless communication node to the wireless communication device, second information for configuring the periodic SRS configuration.

[0011] In some other embodiments, an apparatus for wireless communication may include a memory storing instructions and a processing circuit in communication with the memory. When the processing circuit executes the instructions, the processing circuit is configured to implement the above method.

[0012] In some other embodiments, a device for wireless communication may include a memory storing instructions and a processing circuit in communication with the memory. When the processing circuit executes the instructions, the processing circuit is configured to implement the above method.

[0013] In some other embodiments, a computer-readable medium includes instructions that, when executed by a computer, cause the computer to implement the above method.

[0014] The above and other aspects and embodiments thereof are described in more detail in the drawings, the description and the claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 An example of a wireless communication system including a radio network node and one or more user equipments is shown.

[0016] Figure 2 An example of a network node is shown.

[0017] Figure 3 An example of a user device is shown.

[0018] Figure 4 A flow chart of an exemplary embodiment for wireless communications is shown.

[0019] Figure 5A A flow chart of a method for wireless communication is shown.

[0020] Figure 5B A flow chart of another method for wireless communication is shown.

[0021] Fig. 6A A flow chart of another method for wireless communication is shown.

[0022] Figure 6B A flow chart of another method for wireless communication is shown.

[0023] Figure 7 A flow chart of another exemplary embodiment for wireless communications is shown.

[0024] Figure 8 A flow chart of another exemplary embodiment for wireless communications is shown. DETAILED DESCRIPTION

[0025] The present disclosure will now be described in detail below with reference to the accompanying drawings, which form a part of the present disclosure and show specific examples of embodiments by way of illustration. However, it is noted that the present disclosure can be embodied in a variety of different forms, and thus the subject matter covered or claimed is intended to be interpreted as not being limited to any of the embodiments set forth below.

[0026] Throughout the specification and claims, terms may have nuanced meanings that are suggested or implied in the context beyond the explicitly stated meanings. Similarly, the phrases "in one embodiment" or "in some embodiments" used herein do not necessarily refer to the same embodiment, and the phrases "in another embodiment" or "in other embodiments" used herein do not necessarily refer to different embodiments. The phrases "in one embodiment" or "in some embodiments" used herein do not necessarily refer to the same embodiment, and the phrases "in another embodiment" or "in other embodiments" used herein do not necessarily refer to different embodiments. For example, it is intended that the claimed subject matter includes, in whole or in part, a combination of exemplary embodiments or embodiments.

[0027] Typically, terms may be understood at least in part from usage in context. For example, terms such as "and", "or" or "and / or" used herein may include various meanings that may depend at least in part on the context in which the terms are used. Typically, "or" if used for an association list (such as A, B or C) is intended to represent A, B and C (here used for inclusive meanings), and A, B or C (here used for exclusive meanings). In addition, depending at least in part on the context, the terms "one or more" or "at least one" used herein may be used to describe any feature, structure or characteristic in a singular sense, or may be used to describe a combination of features, structures or characteristics in a plural sense. Similarly, depending at least in part on the context, terms such as "a", "an" or "the" may also be understood to convey singular usage or to convey plural usage. In addition, the term "based on" or "determined by..." may be understood to not necessarily be intended to convey a set of factors that are exclusive, but, also at least in part on the context, may allow for the presence of additional factors that are not necessarily explicitly described.

[0028] The present disclosure describes methods and apparatus for requesting release of a configuration of a periodic sounding reference signal. In various embodiments, the request to release the configuration of the periodic sounding reference signal may be triggered by a user equipment (UE) rather than by a radio access network (RAN, e.g., a base station).

[0029] Next generation (NG) (or fifth generation (5G)) wireless communications can provide a range of capabilities from fast downloads to support for real-time low-latency communications. New generation (NG) mobile communication systems are pushing the world towards an increasingly interconnected and networked society. High-speed and low-latency wireless communications rely on efficient network resource management and allocation between user equipment and radio access network nodes (including but not limited to radio base stations).

[0030] In 4G and 5G mobile communication systems, the sounding reference signal (SRS) plays a vital role as an uplink reference signal in the physical transmission process of the air interface. SRS is sent by the user equipment (UE) to the network node and is mainly used to obtain uplink channel state information and downlink channel state information. SRS plays an important role in uplink channel state estimation, uplink precoding, downlink channel state estimation, downlink precoding and beam management.

[0031] In some embodiments, for example, in a 5G NR (New Radio) mobile communication system, the time domain behavior of the SRS resource may include periodicity, semi-persistence, and aperiodicity. The SRS may occupy 1, 2, or 4 consecutive symbols of the last six symbols of the time slot. The SRS may have a comb structure, that is, the SRS is transmitted every 2 or 4 subcarriers. The SRS may support up to 4 antenna ports, and the starting antenna port number may be 1000.

[0032] Figure 1 A wireless communication system 100 is shown that includes a core network (CN) 110, a radio access network (RAN) 130, and one or more user equipment (UE) (152, 154, and 156). The RAN 130 may include a wireless network base station, or a NG radio access network (NG-RAN) base station or node, which may include a node B (NB, e.g., gNB) in a mobile telecommunication environment. In one embodiment, the core network 110 may include a 5G core network (5GC), and the interface 125 may include a new generation (NG) interface.

[0033] Reference Figure 1 , the first UE 152 may wirelessly receive one or more downlink communications 142 from the RAN 130 and wirelessly send one or more uplink communications 141 to the RAN 130. Similarly, the second UE 154 may wirelessly receive downlink communications 144 from the RAN 130 and wirelessly send uplink communications 143 to the RAN 130; and the third UE 156 may wirelessly receive downlink communications 146 from the RAN 130 and wirelessly send uplink communications 145 to the RAN 130. For example, but not limited to, the downlink communications may include a physical downlink shared channel (PDSCH) or a physical downlink control channel (PDCCH), and the uplink communications may include a physical uplink shared channel (PUSCH) or a physical uplink control channel (PUCCH).

[0034] In some embodiments, the UE may be configured with one or more SRS resource sets, and each resource set may include one or more SRS resources. SRS resource sets may be used for different purposes. For example, uplink channel state estimation and uplink precoding, downlink channel state estimation and downlink precoding (based on uplink and downlink channel reciprocity), beam management, etc. Among them, uplink and downlink channel reciprocity refers to the transmission of uplink signals and downlink signals at the same frequency, and it can be considered that the uplink air interface channel and the downlink air interface channel are roughly the same. Therefore, the uplink reference signal can be used to estimate the downlink channel state, and conversely, the downlink reference signal can be used to estimate the uplink channel state.

[0035] In some embodiments, periodic SRS may be used for channel state estimation so that a wireless network node can receive channel state information (CSI) of each UE. A UE configured with periodic SRS resources may periodically send SRS. Even when there is no need to update the channel state information, the SRS will not be stopped, which will waste the available power of the UE and affect the battery life of the UE.

[0036] The present disclosure describes various embodiments for requesting release of a configuration of a periodic sounding reference signal, wherein the request to release may be sent by a UE. As a non-limiting example, the UE may send an indication message to a radio network node to request release of a periodic SRS configuration for the UE so that the UE may stop periodically sending SRS.

[0037] Figure 2 An exemplary radio access network or wireless communication base station 200 is shown. The base station 200 may include wireless transmitting / receiving (Tx / Rx) circuitry 208 to send / receive communications with one or more UEs and / or one or more other base stations. The base station may also include network interface circuitry 209 (e.g., optical or wired interconnect, Ethernet and / or other data transmission media / protocols) to enable the base station to communicate with other base stations and / or a core network. The base station 200 may optionally include an input / output (I / O) interface 206 to communicate with an operator or the like.

[0038] The base station may also include system circuitry 204. System circuitry 204 may include (one or more) processors 221 and / or memory 222. Memory 222 may include an operating system 224, instructions 226, and parameters 228. Instructions 226 may be configured for one or more processors 124 to perform the functions of the base station. Parameters 228 may include parameters that support the execution of instructions 226. For example, the parameters may include network protocol settings, bandwidth parameters, radio frequency mapping allocations, and / or other parameters.

[0039] Figure 3 An exemplary user equipment (UE) 300 is shown. UE 300 may be a mobile device, such as a smart phone or a mobile communication module provided in a vehicle. UE 300 may include a communication interface 302, a system circuit 304, an input / output (I / O) interface 306, a display circuit 308, and a storage device 309. Display circuit 308 may include a user interface 310. System circuit 304 may include any combination of hardware, software, firmware, or other logic / circuits. System circuit 304 may be implemented, for example, with one or more systems on a chip (SoC), application specific integrated circuits (ASIC), discrete analog and digital circuits, and other circuits. System circuit 304 may be part of the implementation of any desired function in UE 300. In this regard, the system circuit 304 may include logic to facilitate operations such as: decoding and playing music and video (e.g., MP3, MP4, MPEG, AVI, FLAC, AC3, or WAV decoding and playback); running applications; accepting user input; saving and retrieving application data; establishing, maintaining, and terminating cellular phone calls or data connections (e.g., for Internet connections); establishing, maintaining, and terminating wireless network connections, Bluetooth connections, or other connections; and displaying relevant information on the user interface 310. The user interface 310 and the input / output (I / O) interface 306 may include a graphical user interface, a touch-sensitive display, tactile feedback or other tactile output, voice or facial recognition input, buttons, switches, speakers, and other user interface elements. Additional examples of the I / O interface 306 include microphones, video and still image cameras, temperature sensors, vibration sensors, rotation and orientation sensors, headphone and microphone input / output jacks, Universal Serial Bus (USB) connectors, memory card slots, radiation sensors (e.g., IR (infrared) sensors), and other types of inputs.

[0040] Reference Figure 3, the communication interface 302 may include radio frequency (RF) transmit (Tx) and receive (Rx) circuits 316 that process signals transmitted and received through one or more antennas 314. The communication interface 302 may include one or more transceivers. The transceiver may be a wireless transceiver that includes modulation / demodulation circuitry, a digital to analog converter (DAC), a shaping table, an analog to digital converter (ADC), a filter, a waveform shaper, a filter, a pre-amplifier, a power amplifier, and / or other logic for transmitting and receiving through one or more antennas or (for some devices) through a physical (e.g., wired) medium. The transmitted and received signals may follow any of a variety of formats, protocols, modulations (e.g., QPSK (Quadrature Phase Shift Keying), 16-QAM (Quadrature Amplitude Modulation), 64-QAM or 256-QAM), frequency channels, bit rates, and encodings. As a specific example, the communication interface 302 may include a transceiver that supports transmission and reception under 2G, 3G, BT (Bluetooth), WiFi (Wireless Fidelity), Universal Mobile Telecommunications System (UMTS), High Speed ​​Packet Access (HSPA)+, 4G / Long Term Evolution (LTE), and 5G standards. However, the techniques described below, whether from the 3rd Generation Partnership Project (3GPP), the GSM (Global System for Mobile Communications) Association, 3GPP2, the IEEE (Institute of Electrical and Electronics Engineers), or other partners or standards bodies, are applicable to other wireless communication technologies.

[0041] Reference Figure 3, the system circuit 304 may include one or more processors 321 and a memory 322. The memory 322 stores, for example, an operating system 324, instructions 326, and parameters 328. The processor 321 is configured to execute the instructions 326 to implement the desired functions of the UE 300. The parameters 328 may provide and specify configuration and operating options for the instructions 326. The memory 322 may also store any BT, WiFi, 3G, 4G, 5G, or other data that the UE 300 will send or has received through the communication interface 302. In various embodiments, the system power of the UE 300 may be supplied by a power storage device (such as a battery or a transformer).

[0042] The present disclosure describes multiple embodiments of a method and apparatus for requesting release of a configuration of a periodic sounding reference signal, which request for release of a configuration of a periodic sounding reference signal can be triggered by a user equipment (UE) so that the UE can stop periodically sending an SRS. In addition, in various embodiments, the UE can send an indication message to a radio network node to request configuration of a periodic SRS configuration for the UE so that the UE can start periodically sending an SRS. Figures 2 to 3 Any embodiment described in the present disclosure may be partially or fully implemented on the wireless network base station and / or user equipment described in the specification.

[0043] Figure 4 The relevant processes in various embodiments are shown. In step 410, the UE (491) may send first information for requesting to release the periodic SRS configuration to the network (492). In step 420, the network may send second information indicating to release the periodic SRS configuration.

[0044] In various embodiments, Figure 5A A flow chart of a method 500 for wireless communication is shown. The method 500 may include some or all of the following steps: step 510, the wireless communication device sends first information for requesting to release the periodic SRS configuration to the wireless communication node; step 520, the wireless communication device receives second information for releasing the periodic SRS configuration from the wireless communication node; and / or step 530, the wireless communication device releases the periodic SRS configuration.

[0045] In various embodiments, Figure 5B A flow chart of a method 550 for wireless communication is shown. The method 550 may include some or all of the following steps: step 560, the wireless communication device sends first information for requesting to configure a periodic SRS configuration to a wireless communication node; step 570, the wireless communication device receives second information for configuring a periodic SRS configuration from the wireless communication node; and / or step 580, the wireless communication device configures the periodic SRS configuration.

[0046] In some implementations, the wireless communication device may include a UE; and / or the wireless communication node may include a network, a base station, or a RAN.

[0047] In some implementations, the first information may be uplink control information (UCI) having a fixed size of 1 bit, wherein a value of the UCI of 1 indicates a request to release the periodic SRS configuration.

[0048] In some embodiments, the first information may be a medium access control control element (MAC CE), which includes a MAC header with a logical channel index (LCID) and has a fixed size of 0 bits, wherein the MAC CE with the LCID indicates a request to release the periodic SRS configuration.

[0049] In various embodiments, Fig. 6A A flow chart of a method 600 for wireless communication is shown. The method 600 may include some or all of the following steps: step 610, receiving, by a wireless communication node, first information for requesting to release a periodic SRS configuration from a wireless communication device; and / or step 620, sending, by a wireless communication node, second information for releasing a periodic SRS configuration to a wireless communication device.

[0050] In various embodiments, Figure 6B A flow chart of a method 650 for wireless communication is shown. The method 650 may include some or all of the following steps: step 660, receiving, by the wireless communication node, first information for requesting configuration of a periodic SRS configuration from a wireless communication device; and / or step 670, sending, by the wireless communication node, second information for configuring a periodic SRS configuration to the wireless communication device.

[0051] In some implementations, the wireless communication device may include a UE; and / or the wireless communication node may include a network, a base station, or a RAN.

[0052] In some embodiments, the first information may be uplink control information (UCI) having a fixed size of 1 bit, wherein a value of 1 in the UCI indicates a request to release the periodic SRS configuration.

[0053] In some embodiments, the first information may be a medium access control element (MAC CE) including a MAC header with a logical channel index (LCID) and having a fixed size of 0 bits, wherein the MAC CE with the LCID indicates a request to release the periodic SRS configuration.

[0054] For a non-limiting example, when the UE is configured with a periodic SRS configuration but does not need to send an SRS, the UE may send indication information to the radio network node to request to release the periodic SRS configuration for the UE and stop periodically sending the SRS.

[0055] Figure 7 The system flow of a UE (791) requesting a radio network node (e.g., a network) (792) to release a periodic SRS configuration is shown. In step 710: the UE sends an indication message to the radio network node to request the release of the periodic SRS configuration. In step 720: the radio network node sends an indication message to the UE for releasing the periodic SRS configuration. In step 730, the UE releases the periodic SRS configuration and stops periodically sending SRS.

[0056] In some embodiments, from the UE side, the UE process for requesting to release the periodic SRS configuration may include some or all of the following: the UE sends indication information to the wireless network node to request to release the periodic SRS configuration; the UE receives indication information from the wireless network node for releasing the periodic SRS configuration; and / or the UE releases the periodic SRS configuration and stops periodically sending SRS.

[0057] For another non-limiting example, when the UE is configured with a periodic SRS configuration and does not require uplink channel state estimation or downlink channel state estimation, or does not require frequent uplink channel state estimation or downlink channel state estimation, the UE may send indication information to the radio network node to request the release of the periodic SRS configuration for the UE, thereby stopping the periodic transmission of the SRS. Alternatively, in other cases, for example, when the available power of the UE is insufficient, in order to increase the battery life, the UE may request the release of the periodic SRS configuration and obtain the uplink channel state information by using other methods.

[0058] In some embodiments, other methods for obtaining uplink channel state information or downlink channel state information may include, but are not limited to, using semi-persistent SRS resources or aperiodic SRS resources. In some embodiments, for a time division duplexing (TDD) system, a UE may obtain uplink channel state information (CSI) based on uplink and downlink channel reciprocity by receiving a downlink channel state information reference signal (CSI-RS).

[0059] In some implementations, after stopping sending the SRS, the UE may use the CSI-RS to obtain uplink channel state information based on channel reciprocity.

[0060] In some embodiments, from the UE side, the UE process for requesting to release the periodic SRS configuration may include some or all of the following: the UE sends indication information to the wireless network node to request to release the periodic SRS configuration; the UE receives indication information from the wireless network node for releasing the periodic SRS configuration; and / or the UE releases the periodic SRS configuration and stops periodically sending SRS.

[0061] For another non-limiting example, in the case of integrated communication and perception, the mobile crowd sensing (MCS) solution includes a new perception paradigm that uses embedded sensors in mobile UE devices to collect environment-related information. The MCS system may mainly include a perception UE device and a perception platform, wherein the perception platform is mainly responsible for the release and management of perception tasks. The perception platform can be deployed on an edge server, and the edge server can be deployed near a radio access network (RAN) node. In MCS, the UE periodically reports channel state information to the radio network node. The UE applies periodic SRS resources to enable the network node to obtain channel state information. When the available power of the UE is insufficient, the UE can exit the perception task and actively request the release of periodic SRS resources to avoid affecting other UEs. The radio network node deletes the UE information from the UE list used for the perception task and releases the SRS resource instance configured for the UE.

[0062] Figure 8The system flow of a UE (891) requesting a radio network node (e.g., a network) (892) to release a periodic SRS configuration is shown. In step 810, the UE periodically sends an SRS for the radio network node to receive uplink channel state information; in step 820, when the available power of the UE is insufficient, the UE may exit the sensing task and send an indication message to the radio network node to request the release of the periodic SRS configuration; in step 830, the radio network node sends an indication message for releasing the periodic SRS configuration for the UE; and / or in step 840, the UE releases the periodic SRS configuration and stops periodically sending the SRS.

[0063] For another non-limiting example, the indication information sent by the UE for requesting the release of the periodic SRS configuration includes at least one of the following: Layer 1 (Layer 1, L1) signaling, or Layer 2 (Layer 2, L2) signaling, or Layer 3 (Layer 3, L3) signaling, or Radio Resource Control (Radio Resource Control, RRC) message, or information included in some RRC messages.

[0064] In some embodiments, the L1 signaling may be one of the uplink control information (UCI) with a fixed size of 1 bit, and the value of the bit may be 0 or 1. For example, when the value is 1, it indicates that the UE requests to release the periodic SRS configuration; and / or when the value is 0, it indicates that the UE does not request to release the periodic SRS configuration. Optionally, in some embodiments, the format of the L1 signaling may be similar to a scheduling request (SR).

[0065] In some embodiments, the L2 signaling may be one of a media access control control element (MAC CE) identified by a media access control (MAC) subheader with a logical channel index (LCID) and having a fixed size of zero bits. In some embodiments, the MAC CE with the LCID indicates a request to release the periodic SRS configuration. Optionally, in some embodiments, the format of the L2 signaling may be similar to a configured grant confirmation MAC CE.

[0066] For another non-limiting example, when the UE is not configured with periodic SRS resources and needs to periodically send SRS, the UE may send indication information to the radio network node to request configuration of periodic SRS configuration for the UE. After the UE is configured with periodic SRS configuration by the radio network node, the UE may periodically send SRS.

[0067] In some embodiments, from the UE side, the UE process for requesting configuration of a periodic SRS configuration may include some or all of the following: the UE sends indication information to a wireless network node to request configuration of a periodic SRS configuration; the UE receives indication information from the wireless network node for configuring a periodic SRS configuration; and / or the UE configures the periodic SRS configuration and periodically sends the SRS.

[0068] The present disclosure describes methods, apparatus, and computer-readable media for wireless communications. The present disclosure solves the problem by requesting the release of a configuration of a periodic sounding reference signal. The methods, devices, and computer-readable media described in the present disclosure can improve the performance of wireless communications by requesting the release of a configuration of a periodic sounding reference signal, thereby improving efficiency and overall performance. The methods, devices, and computer-readable media described in the present disclosure can improve the overall efficiency of a wireless communication system.

[0069] References to features, advantages, or similar language throughout the specification do not imply that all features and advantages that may be achieved with the present solution should be or are included in any single embodiment thereof. Rather, language referencing such features and advantages is understood to mean that a particular feature, advantage, or characteristic described in connection with an embodiment is included in at least one embodiment of the present solution. Thus, discussion of features and advantages and similar language throughout the specification may, but need not, refer to the same embodiment.

[0070] In addition, the features, advantages, and characteristics of the present solution may be combined in any suitable manner in one or more embodiments. Based on the description herein, one of ordinary skill in the relevant art will recognize that the present solution may be practiced without one or more of the specific features or advantages of a particular embodiment. In other cases, additional features and advantages may be recognized in certain embodiments that may not be present in all embodiments of the present solution.

Claims

1. A method for wireless communication, comprising: The wireless communication device sends first information for requesting to release the periodic SRS configuration to the wireless communication node; Receiving, by the wireless communication device, second information for releasing the periodic SRS configuration from the wireless communication node; as well as The periodic SRS configuration is released by the wireless communication device.

2. The method according to claim 1, wherein: The first information may be uplink control information (UCI) having a fixed size of 1 bit, wherein a value of the UCI being 1 indicates a request to release the periodic SRS configuration.

3. The method according to claim 1, wherein: The first information may be a medium access control element (MAC CE), the MAC CE comprising a MAC header having a logical channel index (LCID) and a fixed size of 0 bits, wherein the MAC CE having the LCID indicates a request to release the periodic SRS configuration.

4. A method for wireless communication, comprising: The wireless communication device sends first information for requesting configuration of a periodic SRS configuration to the wireless communication node; Receiving, by the wireless communication device, second information for configuring the periodic SRS configuration from the wireless communication node; as well as The periodic SRS configuration is configured by the wireless communication device.

5. A method for wireless communication, comprising: Receiving, by the wireless communication node, first information from the wireless communication device for requesting to release the periodic SRS configuration; as well as Second information for releasing the periodic SRS configuration is sent by the wireless communication node to the wireless communication device.

6. The method according to claim 5, wherein: The first information may be uplink control information (UCI) having a fixed size of 1 bit, wherein a value of the UCI being 1 indicates a request to release the periodic SRS configuration.

7. The method according to claim 5, wherein: The first information may be a medium access control element (MAC CE), the MAC CE comprising a MAC header having a logical channel index (LCID) and a fixed size of 0 bits, wherein the MAC CE having the LCID indicates a request to release the periodic SRS configuration.

8. A method for wireless communication, comprising: Receiving, by the wireless communication node, first information from the wireless communication device for requesting configuration of a periodic SRS configuration; and Second information for configuring the periodic SRS configuration is sent by the wireless communication node to the wireless communication device.

9. A wireless communication device, comprising a processor and a memory, wherein: The processor is configured to read code from the memory and implement the method according to any one of claims 1 to 8.

10. A computer program product, comprising a computer-readable program medium, wherein codes are stored on the computer-readable program medium, and when the codes on the computer-readable program medium are executed by a processor, the processor is prompted to implement the method according to any one of claims 1 to 8.

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