WO2023197158A1 - Procédé de communication sans fil, dispositif terminal et dispositif réseau - Google Patents

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

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Publication number
WO2023197158A1
WO2023197158A1 PCT/CN2022/086377 CN2022086377W WO2023197158A1 WO 2023197158 A1 WO2023197158 A1 WO 2023197158A1 CN 2022086377 W CN2022086377 W CN 2022086377W WO 2023197158 A1 WO2023197158 A1 WO 2023197158A1
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srs resource
ofdm symbols
occ
frequency hopping
indication information
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PCT/CN2022/086377
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English (en)
Chinese (zh)
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陈文洪
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Oppo广东移动通信有限公司
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Priority to PCT/CN2022/086377 priority Critical patent/WO2023197158A1/fr
Publication of WO2023197158A1 publication Critical patent/WO2023197158A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols

Definitions

  • Embodiments of the present application relate to the field of communications, and specifically relate to a wireless communication method, terminal equipment, and network equipment.
  • the Sounding Reference Signal can be transmitted on multiple Orthogonal frequency-division multiplexing (OFDM) symbols.
  • OFDM Orthogonal frequency-division multiplexing
  • This application provides a wireless communication method, terminal equipment and network equipment, which is beneficial to improving the multiplexing capacity of SRS.
  • a first aspect provides a wireless communication method, including: a terminal device determines a plurality of orthogonal frequency division multiplexing OFDM symbols occupied by a target sounding reference signal SRS resource, wherein the plurality of OFDM symbols are used for the target Repeated transmission of SRS resources, or repeated transmission and frequency domain frequency hopping for the target SRS resource; determining the orthogonal cover code OCC used for the target SRS resource on the multiple OFDM symbols; generating the said OCC according to the OCC SRS signals on multiple OFDM symbols and transmit the SRS signals.
  • a wireless communication method including: a network device sends sounding reference signal SRS resource configuration information to a terminal device, where the SRS resource configuration information is used to indicate multiple orthogonal frequency division multiplexing occupied by target SRS resources.
  • Use OFDM symbols wherein the multiple OFDM symbols are used for repeated transmission of the target SRS resource, or for repeated transmission and frequency domain frequency hopping of the target SRS resource; determine the target on the multiple OFDM symbols Orthogonal cover code OCC used by SRS resources; receiving SRS signals on the plurality of OFDM symbols according to the OCC.
  • a third aspect provides a terminal device for executing the method in the above first aspect or its respective implementations.
  • the terminal device includes a functional module for executing the method in the above-mentioned first aspect or its respective implementations.
  • a fourth aspect provides a network device for performing the method in the above second aspect or its respective implementations.
  • the network device includes a functional module for executing the method in the above second aspect or its respective implementations.
  • a terminal device including a processor and a memory.
  • the memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory to execute the method in the above first aspect or its implementations.
  • a sixth aspect provides a network device, including a processor and a memory.
  • the memory is used to store computer programs, and the processor is used to call and run the computer programs stored in the memory, and execute the method in the above second aspect or its respective implementations.
  • a seventh aspect provides a chip for implementing any one of the above-mentioned first to second aspects or the method in each implementation manner thereof.
  • the chip includes: a processor, configured to call and run a computer program from a memory, so that the device installed with the device executes any one of the above-mentioned first to second aspects or implementations thereof. method.
  • An eighth aspect provides a computer-readable storage medium for storing a computer program, the computer program causing the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
  • a computer program product including computer program instructions, which cause a computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
  • a tenth aspect provides a computer program that, when run on a computer, causes the computer to execute any one of the above-mentioned first to second aspects or the method in each implementation thereof.
  • the SRS resources transmitted by different terminal devices on multiple OFDM symbols can be multiplexed using different CCCs, that is, the SRS resources sent by different terminal devices can remain orthogonal on the same OFDM symbols through different OCCs. Thereby improving the multiplexing capacity of SRS.
  • Figure 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • Figure 2 is a schematic diagram of triggering SRS transmission through DCI.
  • Figure 3 is a schematic diagram of repeated transmission and frequency hopping transmission of SRS resources.
  • Figure 4 is a schematic flow chart of a wireless communication method provided according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of an example of OCC used for each repetition group on multiple OFDM symbols.
  • Figure 6 is a schematic diagram of another example of OCC used for each repetition group on multiple OFDM symbols.
  • Figure 7 is a schematic diagram of an example of OCC used for each frequency hopping on multiple OFDM symbols.
  • Figure 8 is a schematic diagram of another example of OCC used for each frequency hopping of multiple OFDM symbol pairs.
  • Figure 9 is a schematic flowchart of another wireless communication method provided according to an embodiment of the present application.
  • Figure 10 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • Figure 11 is a schematic block diagram of a network device provided according to an embodiment of the present application.
  • Figure 12 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • Figure 13 is a schematic block diagram of a chip provided according to an embodiment of the present application.
  • Figure 14 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA broadband code division multiple access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced long term evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • WiFi wireless fidelity
  • 5G fifth-generation communication
  • the communication system in the embodiment of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) deployment scenario.
  • CA Carrier Aggregation
  • DC Dual Connectivity
  • SA standalone deployment scenario.
  • the communication system in the embodiment of the present application can be applied to the unlicensed spectrum, where the unlicensed spectrum can also be considered as a shared spectrum; or the communication system in the embodiment of the present application can also be applied to the licensed spectrum, where, Licensed spectrum can also be considered as unshared spectrum.
  • the embodiments of this application describe various embodiments in combination with network equipment and terminal equipment.
  • the terminal equipment may also be called user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device, etc.
  • User Equipment User Equipment
  • the terminal device can be a station (STATION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, or a personal digital assistant.
  • PDA Personal Digital Assistant
  • handheld devices with wireless communication capabilities computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or in the future Terminal equipment in the evolved Public Land Mobile Network (PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites). superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, or an augmented reality (Augmented Reality, AR) terminal.
  • Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self-driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home, etc.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for applying wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes, etc.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not just hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized devices that can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, and those that only focus on a certain type of application function and need to cooperate with other devices such as smartphones.
  • the network device may be a device used to communicate with mobile devices.
  • the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA.
  • BTS Base Transceiver Station
  • it can be a base station (NodeB, NB) in WCDMA, or an evolutionary base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network network equipment (gNB) or network equipment in the future evolved PLMN network or network equipment in the NTN network, etc.
  • AP Access Point
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolution base station
  • gNB NR network network equipment
  • the network device may have mobile characteristics, for example, the network device may be a mobile device.
  • the network device can be a satellite or balloon station.
  • the satellite can be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geosynchronous orbit (geostationary earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite ) satellite, etc.
  • the network device may also be a base station installed on land, water, etc.
  • network equipment can provide services for a cell, and terminal equipment communicates with the network equipment through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell.
  • the cell can be a network equipment ( For example, the cell corresponding to the base station), the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
  • the small cell here can include: urban cell (Metro cell), micro cell (Micro cell), pico cell ( Pico cell), femto cell (Femto cell), etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-rate data transmission services.
  • the communication system 100 may include a network device 110, which may be a device that communicates with a terminal device 120 (also referred to as a communication terminal or terminal).
  • the network device 110 can provide communication coverage for a specific geographical area and can communicate with terminal devices located within the coverage area.
  • Figure 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. This application The embodiment does not limit this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • the communication device may include a network device 110 and a terminal device 120 with communication functions.
  • the network device 110 and the terminal device 120 may be the specific devices described above, which will not be described again here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities and other network entities, which are not limited in the embodiments of this application.
  • the "instruction” mentioned in the embodiments of this application may be a direct instruction, an indirect instruction, or an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B. relation.
  • correlate can mean that there is a direct correspondence or indirect correspondence between the two, it can also mean that there is an associated relationship between the two, or it can mean indicating and being instructed, configuration and being. Configuration and other relationships.
  • predefinition can be achieved by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in devices (for example, including terminal devices and network devices).
  • devices for example, including terminal devices and network devices.
  • predefined can refer to what is defined in the protocol.
  • the "protocol” may refer to a standard protocol in the communication field, which may include, for example, the existing LTE protocol, NR protocol, Wi-Fi protocol, the evolution of protocols related to other communication systems, and their applications. Regarding related protocols in future communication systems, this application does not limit specific protocol types.
  • the sounding reference signal Sounding Reference Signal, SRS
  • SRS Sounding Reference Signal
  • the SRS signal is an important reference signal in the NR system and is widely used in various functions in the NR system, such as:
  • CSI Downlink Channel State Information
  • the network device can configure one or more SRS resource sets (SRS Resource set) for a UE, and each SRS Resource set can configure one or more SRS resources (SRS resource).
  • SRS Resource set SRS resource sets
  • SRS resource SRS resource
  • each SRS resource supports transmission of up to 4 antenna ports.
  • the transmission of SRS can be divided into periodic (Periodic), semi-persistent (Semi-persistent), aperiodic (Aperiodic), etc. The above situations are explained respectively below.
  • Periodic SRS refers to SRS that is transmitted periodically.
  • the cycle and time slot offset of SRS can be configured through Radio Resource Control (RRC) signaling.
  • RRC Radio Resource Control
  • the terminal device can follow certain SRS is sent periodically until the RRC configuration becomes invalid.
  • the spatial related information of periodic SRS (such as transmission beam) can also be configured by RRC signaling.
  • the spatially related information may indicate a channel state information reference signal (Channel State Information Reference Signal, CSI-RS), synchronization signal block (Synchronization Signal Block, SSB) or reference SRS, and the terminal device is based on the indicated CSI-RS/SSB.
  • the receiving beam determines the transmitting beam of the target SRS resource, or determines the transmitting beam of the target SRS resource based on the transmitting beam of the reference SRS resource.
  • Semi-persistent SRS is also a periodically transmitted SRS. Its period and time slot offset can be configured through RRC signaling, but the activation and deactivation signaling of SRS can be performed through the Media Access Control Element (MAC). CE) bearer. After receiving the activation signaling, the terminal device begins to periodically transmit the SRS until it receives the deactivation signaling of the SRS.
  • the spatially related information of semi-persistent SRS (such as transmit beams) is carried together through the MAC CE that activates the SRS.
  • the terminal device determines the time slot that can be used to transmit SRS according to the following formula:
  • T SRS and T offset are the cycle and time slot offset of RRC signaling configuration respectively
  • n f and are the radio frame and time slot numbers respectively, Indicates the number of time slots included in a wireless frame.
  • aperiodic SRS transmission is introduced, and the base station can trigger SRS transmission of the terminal device through downlink control information (DCI).
  • DCI downlink control information
  • the trigger signaling used to trigger aperiodic SRS transmission can be used to schedule the physical uplink shared channel (Physical Uplink Shared Channel, PUSCH)/physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) DCI in the UE-specific search space. It can also be carried through DCI format 2_3 in the public search space.
  • DCI format 2_3 can not only be used to trigger aperiodic SRS transmission, but can also be used to configure the transmission power control (Transmission Power Control, TPC) command of SRS on a group of UEs or a group of carriers.
  • TPC Transmission Power Control
  • Table 1 is the value and correspondence of the SRS request field in SRS trigger signaling.
  • the terminal device After receiving aperiodic SRS trigger signaling (eg, DCI), the terminal device performs SRS transmission according to the SRS resource set indicated by the trigger signaling.
  • the slot offset between trigger signaling and SRS transmission is configured by higher layer signaling (such as RRC signaling).
  • the network device side indicates the configuration parameters of each SRS resource set through high-level signaling in advance, including time-frequency resources, sequence parameters, power control parameters, etc.
  • the terminal device can also determine the transmission beam used to transmit the SRS through the spatial correlation information of the SRS resource.
  • the spatial correlation information can be configured for each SRS resource through RRC.
  • slot offset if the UE receives DCI that triggers aperiodic SRS in slot n, the UE will Send the SRS resources in the corresponding SRS resource set, as shown in Figure 2.
  • k is the RRC parameter slotOffset configured for each SRS resource set
  • ⁇ SRS and ⁇ PDCCH are the subcarrier spacing configurations of the triggered SRS and the PDCCH carrying the trigger command respectively.
  • one SRS resource can be transmitted on multiple OFDM symbols, for example, on the last N OFDM symbols of a time slot.
  • the terminal equipment will transmit all SRS antenna ports on each OFDM symbol, but the physical resources used on different OFDM symbols can be different.
  • SRS on different OFDM symbols can be sent in different ways, for example, multiple OFDM symbols can have different uses. For example, when the network device side requires wideband SRS, the terminal device can be configured to perform frequency domain hopping on multiple OFDM symbols; if the current SRS is used for receiving beam selection, the terminal device can perform frequency hopping on multiple OFDM symbols.
  • the network device side can use different receive beams to receive on different OFDM symbols to determine the best receive beam; if the current SRS signal coverage is limited, it can use multiple OFDM symbols to receive
  • the same SRS signal is repeatedly transmitted to improve SRS coverage.
  • Network equipment can configure SRS for one or more purposes on multiple OFDM symbols occupied by one SRS resource. For example, one SRS resource occupies 8 OFDM symbols, and every two OFDM symbols are repeated for transmission (repetition). A total of Four groups of frequency domain frequency hopping (the frequency domain resources occupied by repeated transmissions are the same), as shown in Figure 3.
  • the frequency domain configuration of SRS can be determined according to the parameters C SRS , B SRS (for example, configured through RRC signaling).
  • SRS transmission adopts a comb structure, that is, the subcarriers used are allocated non-continuously in the frequency domain, and the number of subcarriers that differ between adjacent SRS subcarriers (ie, comb number) can be N 2 or 4.
  • the comb value (comb index, that is, the starting subcarrier index) of each SRS resource can be any value from 0 to N-1, and is configured by the network device to the terminal device.
  • the NR system supports SRS frequency hopping. If b hop ⁇ B SRS is satisfied (where b hop is the RRC configuration parameter), the terminal device will send the SRS signal in the form of frequency hopping. Among them, m SRS,0 is the total bandwidth of SRS frequency hopping, and m SRS,b is the number of PRBs sent in each frequency hopping.
  • the terminal device can determine the frequency domain position of each frequency hop according to the following formula:
  • N b is determined according to 38.211-Table 6.4.1.4.3-1
  • n RRC is the RRC configuration parameter, where F b (n SRS ) is determined according to the following formula:
  • n SRS represents the number of SRS frequency hopping.
  • the number of SRS frequency hopping is determined by the following formula:
  • the number of SRS frequency hopping is determined by the following formula:
  • T SRS and T offset are the configured period and offset
  • n f are the radio frame and time slot numbers respectively, is the number of time slots included in each frame.
  • One SRS resource can occupy multiple OFDM symbols, and the multiple OFDM symbols can be used for SRS frequency domain frequency hopping or repeated transmission or reception beam management. Therefore, how to realize the transmission of SRS of multiple UEs to improve the capacity of SRS is an urgent problem that needs to be solved.
  • Figure 4 is a schematic interaction diagram of a wireless communication method 200 according to an embodiment of the present application. As shown in Figure 4, the method 200 includes at least part of the following content:
  • the terminal device determines multiple OFDM symbols occupied by the target SRS resource.
  • the terminal equipment determines the orthogonal cover code OCC used for the target SRS resources on the multiple OFDM symbols;
  • the terminal device generates SRS signals on the multiple OFDM symbols according to the OCC, and transmits the SRS signals.
  • SRS resources and SRS signals can be replaced in relation to each other.
  • the method 200 further includes:
  • the terminal device receives the SRS resource configuration information sent by the network device, and the SRS resource configuration information is used to indicate multiple OFDM symbols occupied by the target SRS resource.
  • the SRS resource configuration information may be sent through higher layer signaling.
  • the high-layer signaling includes but is not limited to RRC signaling.
  • the terminal device determines multiple OFDM symbols occupied by the target SRS resource, including:
  • the terminal device determines a plurality of OFDM symbols occupied by the target SRS resource according to the SRS resource configuration information sent by the network device.
  • the target SRS resources transmitted on the multiple OFDM symbols can be multiplexed using different orthogonal cover codes (OCCs), that is, the target SRS resources transmitted by different terminal devices SRS can maintain orthogonality on the same OFDM symbols through different OCCs, thereby improving the multiplexing capacity of SRS.
  • OCCs orthogonal cover codes
  • the multiple OFDM symbols are used for repeated transmission (repetition) of the target SRS resource, denoted as Case 1. That is, the terminal device may repeatedly transmit the target SRS resource on the multiple OFDM symbols.
  • the multiple OFDM symbols are used for repeated transmission and frequency domain hopping (hop) of the target SRS resource, which is noted as case 2. That is, the terminal device may repeatedly transmit the target SRS resource through frequency hopping on the multiple OFDM symbols.
  • Case 1 The multiple OFDM symbols are used for repeated transmission of the target SRS resource.
  • the repeated transmission of the target SRS resource on the multiple OFDM symbols is divided into M repetition groups, and each repetition group includes K repeated transmissions on K OFDM symbols, where K is a The length of the group OCC, M is an integer greater than 1, and K is an integer greater than 1.
  • the K repeated transmissions on the K OFDM symbols may refer to the K OFDM symbols performing a total of K repeated transmissions of the target SRS resource, wherein each of the K OFDM symbols OFDM symbols are used for one repeated transmission of the target SRS resource.
  • the plurality of OFDM symbols may be continuous or discontinuous, which is not limited in this application.
  • the K OFDM symbols corresponding to each repetition group may be continuous.
  • the S220 may include:
  • the OCC used for each repeating group over the plurality of OFDM symbols is determined.
  • the terminal device can divide the repeated transmission of the target SRS resource into M repeat groups, and further determine the OCC used in repeat group units. In this way, the terminal device can perform transmission in different repeat groups (or That is to say, the OFDM symbols occupied by different repeating groups are multiplexed with different other terminal devices using different OCCs. Compared with different terminal devices using the multiple OFDM symbols as the granularity to multiplex, different terminals are required.
  • the OCC used by the device on the multiple OFDM symbols is guaranteed to be orthogonal. Based on the multiplexing method of the embodiment of this application, it is only necessary that the OCC used by the terminal device and other terminal devices in a multiplexing group ensures orthogonality. It is not necessary to Orthogonality is guaranteed on the multiple OFDM symbols. Therefore, based on the multiplexing method of the embodiment of the present application, more refined multiplexing can be achieved, thereby improving the multiplexing capacity of the SRS.
  • K is network device configured, or K is predefined.
  • K may be configured to the terminal device through high-layer signaling (eg, RRC signaling).
  • high-layer signaling eg, RRC signaling
  • the K may be carried in the SRS resource configuration information.
  • the value range of K is ⁇ 2,4 ⁇ .
  • M may be determined based on K and the number of repeated transmissions of the target SRS resource.
  • the 8 repeated transmissions of the target SRS resource can be divided into 4 repeating groups.
  • the 8 repeated transmissions of the target SRS resource can be divided into 2 repeating groups.
  • K is less than the number of repeated transmissions of the target SRS resource, or K is less than the number of the multiple OFDM symbols.
  • the terminal device can divide the repeated transmission of the target SRS resource into M repeating groups, and determine the OCC used in repeating group units.
  • the SRS resources sent by the terminal device are multiplexed with other terminal devices through OCC
  • multiple repeated transmissions can be divided into multiple repeating groups and the same or different OCCs can be flexibly used in different repeating groups, so that in different Repeating groups can be multiplexed with different other terminal devices using appropriate OCCs to improve the multiplexing capacity of SRS.
  • the OCC used in repeated transmissions is [+1 -1].
  • UE3 is configured by the network device to use OCC in two repeated transmissions as [+1 +1].
  • UE1 can be multiplexed with UE2 and UE3 at the same time. For example, UE1 is multiplexed with UE2 in the first repetition group, and multiplexed with UE3 in the second repetition group.
  • the embodiments of the present application do not limit the method of determining the OCC used by each of the M repeating groups, as long as the network device and the terminal device have a consistent understanding of the OCC used by each repeating group, as follows: The method of determining the OCC used for each repetition group will be described based on the specific implementation, but the application is not limited thereto.
  • Method 1 The OCC used for each repetition group on the multiple OFDM symbols is determined based on the first indication information of the network device. That is, the OCC used by each repeating group is indicated by the network device, which helps ensure that the network device and the terminal device have a consistent understanding of the OCC used by each repeating group.
  • the first indication information is used to indicate that the OCC used by each repetition group is the same or different. For example, whether the OCCs used in each repeated group are the same or different are respectively indicated by different states of the first indication information.
  • the first state of the first indication information is used to indicate that different OCCs used by different repetition groups on the plurality of OFDM symbols are different, wherein the first state includes at least one state.
  • the second state of the first indication information is used to indicate that the OCCs used by different repetition groups on the plurality of OFDM symbols are the same, wherein the second state includes at least one state.
  • the first state and the second state are different.
  • the first indication information is 1-bit information
  • the first state includes 0, and the second state includes 1.
  • the OCC specifically used by each of the M repeating groups may be pre-agreed, or, It can also be configured through other signaling.
  • the OCC used in each repeating group may be [+1 +1], or [+1 -1], [ +1 +1 +1] or [+1 +1 -1 -1].
  • the OCC used by the odd-numbered repeating group is [+1 +1]
  • the OCC used by the even-numbered repeating group is [+1 -1]
  • the OCC used for the second half of the repeating groups is [+1 -1]
  • the OCC used for the odd-numbered repeating groups is [+1 +1 +1 + 1]
  • the OCC used for the even-numbered repeat groups is [+1 +1 -1 -1]
  • the OCC used for the first half of the repeat groups is [+1 +1 +1 +1 +1]
  • the OCC used for the second half of the repeat groups is [ +1 +1 +1 -1 -1]
  • the OCC used in the above-mentioned odd-numbered repeating group and the even-numbered repeating group can also be interchanged
  • the OCC used in the above-mentioned first half repeating group and the second half repeating group can also be interchanged
  • the first indication information is 2-bit information
  • the first state includes 00 and 01
  • the second state includes 10 and 11.
  • the first indication information is used to indicate the OCC used by each repetition group.
  • the different OCCs used by each repetition group may be indicated by different states of the first indication information.
  • the first indication information is used to indicate at least one of the following:
  • the OCC used for each repeated group is [+1 +1];
  • the OCC used for each repeated group is [+1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1], and the OCC used for even-numbered repeating groups is [+1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 -1], and the OCC used for even-numbered repeating groups is [+1 +1];
  • the OCC used in the first half of the repetition group is [+1 +1], and the OCC used in the second half of the repetition group is [+1 -1];
  • the OCC used for the first half of the repetition group is [+1 -1], and the OCC used for the second half of the repetition group is [+1 +1];
  • the OCC used for each repeated group is [+1 +1 +1 +1];
  • the OCC used for each repeated group is [+1 +1 -1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1 +1 +1], and the OCC used for even-numbered repeating groups is [+1 +1 -1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1 -1 -1], and the OCC used for even-numbered repeating groups is [+1 +1 +1 +1];
  • the OCC used in the first half of the repetition group is [+1 +1 +1 +1], and the OCC used in the second half of the repetition group is [+1 +1 -1 -1];
  • the OCC used for the first half of the repetitions is [+1 +1 -1 -1], and the OCC used for the second half of the repetitions is [+1 +1 +1 +1].
  • the first indication information may be 2-bit information, in which state 00 indicates that the OCC used by each repeat group is [+1 +1], and state 01 indicates that the OCC used by each repeat group is [+1 +1].
  • the OCCs are all [+1 -1]
  • state 10 indicates that the OCC used by the odd-numbered repeating group is [+1 +1]
  • the OCC used by the even-numbered repeating group is [+1 -1]
  • state 11 indicates the OCC used by the odd-numbered repeating group.
  • the code is [+1 -1]
  • the OCC used for even repeated groups is [+1 +1].
  • FIG. 5 is a schematic diagram of the OCC used in each repetition group when the first indication information is state 10. That is, the OCC used by the first repeating group and the third repeating group is [+1 +1], and the OCC used by the second repeating group and the fourth repeating group is [+1 -1].
  • the first indication information may be 2-bit information, in which state 00 indicates that the OCC used in each repetition group is [+1 +1 +1 +1], and state 01 indicates that each OCC is [+1 +1 +1 +1].
  • the OCC used by each repeat group is [+1 +1 -1 -1].
  • State 10 indicates that the OCC used by the first half of the repeat group is [+1 +1 +1 +1], and the OCC used by the second half of the repeat group is [ +1 +1 -1 -1], status 11 indicates that the OCC code used for odd-numbered repeating groups is [+1 +1 -1 -1], and the OCC used for even-numbered repeating groups is [+1 +1 +1 +1 +1].
  • FIG. 6 is a schematic diagram of the OCC used in each repetition group when the first indication information is state 10. That is, the OCC used in the first repeating group is [+1 +1 +1 +1], and the OCC used in the second repeating group is [+1 +1 -1 -1].
  • the first indication information may be sent through any downlink signaling or downlink information, and this application does not limit this.
  • the first indication information is high-layer signaling or DCI.
  • the high-layer signaling may include RRC signaling.
  • the first indication information is DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the first indication information may be carried in trigger signaling used to trigger transmission of the target SRS resource.
  • the signaling used to send the first indication information may be determined according to the periodic configuration of the SRS resource.
  • the first indication information is high-layer signaling.
  • the first indication information is DCI
  • the DCI is used to trigger transmission of the target SRS resource.
  • the first indication information may be at the granularity of each SRS resource set, or in other words, the first indication information may be indicated separately for each SRS resource set.
  • the first indication information may be included in the configuration information of the SRS resource set. That is, different SRS resources within an SRS resource set use the same OCC.
  • the OCC used by each repetition group of different SRS resources in an SRS resource set on multiple OFDM is [+1 +1].
  • the OCC used by each repetition group of different SRS resources in an SRS resource set on multiple OFDM is [+1 +1 +1 +1].
  • the first indication information may also be of per-SRS resource granularity, or in other words, the first indication information may be indicated separately for each SRS resource.
  • each SRS resource can use a different OCC.
  • the OCC used by one SRS resource is [+1 +1]
  • the OCC used by another SRS resource is [+1 -1].
  • the first indication information may be included in the configuration information of each SRS resource.
  • Method 2 The OCC used for each repetition group on the multiple OFDM symbols is predefined.
  • different predefined OCCs used by different repetition groups on the plurality of OFDM symbols are different.
  • the terminal device and the network device agree in advance on the OCC used by each repeating group, and the OCCs used by different repeating groups are different.
  • the OCC used by some of the M repeating groups is [+1 +1]
  • the OCC used by other repeating groups is [+1 -1].
  • the predefined OCCs used by different repetition groups on the plurality of OFDM symbols are the same.
  • the terminal device and the network device agree in advance on the OCC used by each repeating group, and the OCCs used by different repeating groups are the same.
  • the OCC used by each of the M repeat groups is [+1 +1].
  • the OCC used for each repetition group on the predefined multiple OFDM symbols includes at least one of the following:
  • the OCC used for each repeated group is [+1 +1];
  • the OCC used for each repeated group is [+1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1], and the OCC used for even-numbered repeating groups is [+1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 -1], and the OCC used for even-numbered repeating groups is [+1 +1];
  • the OCC used in the first half of the repetition group is [+1 +1], and the OCC used in the second half of the repetition group is [+1 -1];
  • the OCC used for the first half of the repetition group is [+1 -1], and the OCC used for the second half of the repetition group is [+1 +1];
  • the OCC used for each repeated group is [+1 +1 +1 +1];
  • the OCC used for each repeated group is [+1 +1 -1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1 +1 +1], and the OCC used for even-numbered repeating groups is [+1 +1 -1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1 -1 -1], and the OCC used for even-numbered repeating groups is [+1 +1 +1 +1];
  • the OCC used in the first half of the repetition group is [+1 +1 +1 +1], and the OCC used in the second half of the repetition group is [+1 +1 -1 -1];
  • the OCC used for the first half of the repetitions is [+1 +1 -1 -1], and the OCC used for the second half of the repetitions is [+1 +1 +1 +1].
  • different SRS resources within an SRS resource set use the same OCC.
  • the terminal device and the terminal device agree in advance that different SRS resources in an SRS resource set use the same OCC.
  • the OCC used by odd-numbered repetition groups on multiple OFDMs for different SRS resources in an SRS resource set is [+1 -1]
  • the OCC used by even-numbered repetition groups is [+1 +1].
  • the OCC used by odd-numbered repetition groups of different SRS resources in an SRS resource set on multiple OFDM is [+1 +1 -1 -1]
  • the OCC used by even-numbered repetition groups is [+1 +1 +1 +1 +1].
  • different SRS resources within an SRS resource set use independent OCCs.
  • the terminal device and the terminal device agree in advance that different SRS resources in an SRS resource set use independent OCCs.
  • the terminal device and the terminal device agree on multiple OCCs in advance, and different SRS resources within an SRS resource set use independent OCC codes.
  • the OCC codes used by some SRS resources in an SRS resource set in odd-numbered repeating groups and even-numbered repeating groups are [+1 -1] and [+1 +1] respectively.
  • Other SRS resources use odd-numbered repeating groups and even-numbered repeating groups.
  • the OCC codes used on the group are [+1 +1] and [+1 -1] respectively.
  • the OCC used by each repeated group of the first SRS resource in an SRS resource set on multiple OFDM is [+1 +1]
  • the second SRS resource in the SRS resource set is on multiple OFDM.
  • the OCC used for each repeat group is [+1 -1].
  • the OCC used by each repeated group of the first SRS resource in an SRS resource set on multiple OFDMs is [+1 +1 +1 +1]
  • the second SRS resource in the SRS resource set The OCC used for each repetition group on multiple OFDMs is [+1 +1 -1 -1].
  • the transmission of the target SRS resources means that the terminal equipment does not transmit SRS signals on all OFDM symbols occupied by the first repetition group, or in other words, the terminal equipment discards all OFDM symbols occupied by the first repetition group.
  • the transmission of other repeating groups (not dynamically configured as downlink symbols) among the M repeating groups is not affected. This is because if the terminal device only sends part of the OFDM symbols occupied by the first repetition group, the orthogonality between different terminal devices cannot be guaranteed through OCC.
  • Case 2 The multiple OFDM symbols are used for repeated transmission and frequency domain frequency hopping of the target SRS resource.
  • the multiple OFDM symbols include L frequency hopping, and each frequency hopping includes K repeated transmissions on K OFDM symbols, where K is the length of a group of OCCs, and L is greater than 1. Integer, K is an integer greater than 1.
  • the K repeated transmissions on the K OFDM symbols may refer to the K OFDM symbols performing a total of K repeated transmissions of the target SRS resource, wherein each of the K OFDM symbols OFDM symbols are used for one repeated transmission of the target SRS resource.
  • the plurality of OFDM symbols may be continuous or discontinuous, which is not limited in this application.
  • the K OFDM symbols corresponding to each frequency hopping may be continuous.
  • the S220 may include:
  • the OCC used for each frequency hop on the plurality of OFDM symbols is determined.
  • the OCC used can be determined in units of frequency hopping.
  • the terminal equipment can use different OCCs with different other terminal equipment at different frequency hopping (or, in other words, OFDM symbols occupied by different frequency hopping).
  • OCC is multiplexed, and different terminal devices are multiplexed at the granularity of the multiple OFDM symbols. It is necessary for the OCC used by different terminal devices to ensure orthogonality on the multiple OFDM symbols. Based on the embodiments of this application
  • the multiplexing method only requires that the OCC used by the terminal equipment and other terminal equipment in one frequency hopping ensures orthogonality. It is not necessary to ensure orthogonality on the multiple OFDM symbols. Therefore, the multiplexing method based on the embodiment of the present application , can achieve more refined multiplexing, thereby improving the multiplexing capacity of SRS.
  • K can be configured to the terminal device through high-layer signaling (such as RRC signaling).
  • high-layer signaling such as RRC signaling
  • the K may be carried in SRS resource configuration information.
  • the value range of K is ⁇ 2,4 ⁇ .
  • M may be determined based on K and the number of repeated transmissions of the target SRS resource.
  • the 8 repeated transmissions of the target SRS resource can be divided into 4 repeating groups.
  • the 8 repeated transmissions of the target SRS resource can be divided into 2 repeating groups.
  • K is less than the number of repeated transmissions of the target SRS resource, or K is less than the number of the multiple OFDM symbols.
  • the terminal device can determine the OCC used in frequency hopping units. In this way, when the SRS resources sent by the terminal device are multiplexed with other terminal devices through the OCC, they can be hopped in different frequency domains.
  • the same or different OCCs can be used to multiplex with different other terminal equipment at different hopping frequencies to improve the multiplexing capacity of SRS. For example, assume that UE1 is configured by the network device to use OCCs in two frequency hopping (i.e.
  • UE1 can be multiplexed with UE2 and UE3 at the same time. For example, UE1 is multiplexed with UE2 in the first frequency hopping and multiplexed with UE3 in the second frequency hopping.
  • the embodiment of the present application does not limit the method of determining the OCC used for each frequency hopping in the L frequency hopping, as long as the network device and the terminal device have a consistent understanding of the OCC used for each frequency hopping, as follows: The method of determining the OCC used for each frequency hopping will be described based on the specific implementation, but the application is not limited thereto.
  • Method 1 The OCC used for each frequency hopping on the multiple OFDM symbols is determined according to the second indication information of the network device.
  • the OCC used for each frequency hopping is indicated by the network device, which helps ensure that the network device and the terminal device have a consistent understanding of the OCC used for each frequency hopping.
  • the S220 may include:
  • the OCC used for each frequency hopping on the plurality of OFDM symbols is determined from the plurality of candidate OCCs.
  • the plurality of candidate OCCs may be predefined or configured by a network device.
  • the second indication information is used to indicate that the OCC used for each frequency hopping is the same or different. For example, whether the OCC used for each frequency hopping is the same or different may be indicated by different states of the second indication information.
  • the second indication information is a third state and is used to indicate that different OCCs are used for different frequency hopping.
  • the second indication information is a fourth state and is used to indicate that the OCCs used in different frequency hopping are the same.
  • the third state and the fourth state are different.
  • the second indication information is 1-bit information
  • the third state includes 0, and the fourth state includes 1.
  • the OCC specifically used for each frequency hopping in the L frequency hopping may be pre-agreed, or, It can also be configured through other signaling.
  • the OCC used for each frequency hopping may be [+1 +1], or [+1 -1], [ +1 +1 +1] or [+1 +1 -1 -1].
  • the OCC used for odd-numbered frequency hopping is [+1 +1]
  • the OCC used for even-numbered frequency hopping is [+1 - 1]
  • the OCC used for the first half of the frequency hopping is [+1 +1]
  • the OCC used for the second half of the frequency hopping is [+1 -1]
  • the OCC used for the odd number of frequency hopping is [+1 +1 +1 +1]
  • the OCC used for even-numbered frequency hopping is [+1 +1 +1 +1 +1 +1]
  • the OCC used for the first half of frequency hopping is [+1 +1 +1 +1 +1]
  • the OCC used for the second half of frequency hopping is [+1 +1 -1 -1]
  • the OCC used for the above-mentioned odd-numbered frequency hopping and even-numbered frequency hopping can be interchanged, or the OCC used for the above-mentioned first half frequency hopping and the second half frequency hopping are mutually exclusive. You can also
  • the second indication information is 2-bit information
  • the third state includes 00 and 01
  • the fourth state includes 10 and 11.
  • the second indication information is used to indicate the OCC used for each frequency hopping in the L frequency hopping.
  • the different OCCs used for each frequency hopping may be indicated by different states of the second indication information.
  • the second indication information is used to indicate at least one of the following:
  • the OCC used for each frequency hopping is [+1 +1];
  • the OCC used for each frequency hopping is [+1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1], and the OCC used for even-numbered frequency hopping is [+1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 -1], and the OCC used for even-numbered frequency hopping is [+1 +1];
  • the OCC used in the first half of frequency hopping is [+1 +1], and the OCC used in the second half of frequency hopping is [+1 -1];
  • the OCC used in the first half of frequency hopping is [+1 -1], and the OCC used in the second half of frequency hopping is [+1 +1];
  • the OCC used for each frequency hopping is [+1 +1 +1 +1];
  • the OCC used for each frequency hopping is [+1 +1 -1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1 +1 +1], and the OCC used for even-numbered frequency hopping is [+1 +1 -1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1 -1 -1], and the OCC used for even-numbered frequency hopping is [+1 +1 +1 +1];
  • the OCC used in the first half of frequency hopping is [+1 +1 +1 +1], and the OCC used in the second half of frequency hopping is [+1 +1 -1 -1];
  • the OCC used in the first half of frequency hopping is [+1 +1 -1 -1], and the OCC used in the second half of frequency hopping is [+1 +1 +1 +1].
  • the second indication information may be 2-bit information, in which state 00 indicates that the OCC used for each frequency hopping is [+1 +1], and state 01 indicates that the OCC used for each frequency hopping is [+1 +1].
  • the OCCs are all [+1 -1].
  • State 10 indicates that the OCC used for odd-numbered frequency hopping is [+1 +1].
  • the OCC used for even-numbered frequency hopping is [+1 -1].
  • State 11 indicates odd-numbered frequency hopping.
  • the OCC code used is [+1 -1], and the OCC used for even-numbered frequency hopping is [+1 +1].
  • FIG. 7 is a schematic diagram of the OCC used for each frequency hopping when the second indication information is in state 11. That is, the OCC used for the first and third frequency hopping is [+1 -1], and the OCC used for the second and fourth frequency hopping is [+1 +1].
  • the second indication information may be 2-bit information, in which state 00 indicates that the OCC used for each frequency hopping is [+1 +1 +1 +1], and state 01 indicates that the OCC used for each frequency hopping is [+1 +1 +1 +1].
  • the OCC used in the second frequency hopping is [+1 +1 -1 -1].
  • State 10 indicates that the OCC used in the first half of the frequency hopping is [+1 +1 +1 +1], and the OCC used in the second half of the frequency hopping is [ +1 +1 -1 -1], state 11 indicates that the OCC code used for odd-numbered frequency hopping is [+1 +1 -1 -1], and the OCC used for even-numbered frequency hopping is [+1 +1 +1 +1 +1 ].
  • FIG. 8 is a schematic diagram of the OCC used for each frequency hopping when the first indication information is state 10. That is, the OCC used for the first frequency hopping is [+1 +1 +1 +1], and the OCC used for the second frequency hopping is [+1 +1 -1 -1].
  • the second indication information may be sent through any downlink signaling or downlink information, which is not limited in this application.
  • the second indication information is high-layer signaling or DCI.
  • the high-layer signaling may include RRC signaling.
  • the second indication information is DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the second indication information may be carried in trigger signaling used to trigger transmission of the target SRS resource.
  • the signaling used for the second indication information may be determined according to the periodic configuration of the SRS resources.
  • the second indication information is high-layer signaling.
  • the second indication information is DCI
  • the DCI is used to trigger transmission of the target SRS resource.
  • the second indication information may be at the granularity of each SRS resource set, or in other words, the second indication information may be indicated separately for each SRS resource set.
  • the second indication information may be included in the configuration information of the SRS resource set.
  • different SRS resources within an SRS resource set use the same OCC.
  • the OCC used for each frequency hopping of different SRS resources in an SRS resource set on multiple OFDM is [+1 +1].
  • the OCC used for each frequency hopping of different SRS resources in an SRS resource set on multiple OFDMs is [+1 +1 +1 +1].
  • the second indication information may also be per-SRS resource granularity, or in other words, the second indication information is indicated separately for each SRS resource.
  • each SRS resource can adopt a different OCC.
  • the first indication information may be included in the configuration information of each SRS resource.
  • Method 2 The OCC used for each frequency hopping on the multiple OFDM symbols is predefined.
  • the predefined OCCs used for different frequency hopping on the plurality of OFDM symbols are different.
  • the terminal equipment and the network equipment agree in advance on the OCC used for each frequency hopping, and the OCC used for different frequency hopping is different.
  • the OCC used for some frequency hopping in the L frequency hopping is [+1 +1]
  • the OCC used for other frequency hopping is [+1 -1].
  • the predefined OCCs used for different frequency hopping on the multiple OFDM symbols are the same.
  • the terminal equipment and the network equipment agree in advance on the OCC used for each frequency hopping, and the OCC used for different frequency hopping is the same.
  • the OCC used for each frequency hopping in the L frequency hopping is [+1 +1].
  • the OCC used for each frequency hopping on the predefined multiple OFDM symbols includes at least one of the following:
  • the OCC used for each frequency hopping is [+1 +1];
  • the OCC used for each frequency hopping is [+1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1], and the OCC used for even-numbered frequency hopping is [+1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 -1], and the OCC used for even-numbered frequency hopping is [+1 +1];
  • the OCC used in the first half of frequency hopping is [+1 +1], and the OCC used in the second half of frequency hopping is [+1 -1];
  • the OCC used in the first half of frequency hopping is [+1 -1], and the OCC used in the second half of frequency hopping is [+1 +1];
  • the OCC used for each frequency hopping is [+1 +1 +1 +1];
  • the OCC used for each frequency hopping is [+1 +1 -1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1 +1 +1], and the OCC used for even-numbered frequency hopping is [+1 +1 -1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1 -1 -1], and the OCC used for even-numbered frequency hopping is [+1 +1 +1 +1];
  • the OCC used in the first half of frequency hopping is [+1 +1 +1 +1], and the OCC used in the second half of frequency hopping is [+1 +1 -1 -1];
  • the OCC used in the first half of frequency hopping is [+1 +1 -1 -1], and the OCC used in the second half of frequency hopping is [+1 +1 +1 +1].
  • different SRS resources within an SRS resource set use the same OCC.
  • the terminal device and the terminal device agree in advance that different SRS resources in an SRS resource set use the same OCC.
  • the OCC used for odd-numbered frequency hopping of different SRS resources in an SRS resource set on multiple OFDM is [+1 -1]
  • the OCC used for even-numbered frequency hopping is [+1 +1].
  • the OCC used for odd-numbered frequency hopping of different SRS resources in an SRS resource set on multiple OFDM is [+1 +1 -1 -1]
  • the OCC used for even-numbered frequency hopping is [+1 +1 +1 +1 +1].
  • different SRS resources within an SRS resource set use independent OCCs.
  • the terminal device and the terminal device agree in advance that different SRS resources in an SRS resource set use independent OCCs.
  • the terminal device and the terminal device agree on multiple OCCs in advance, and different SRS resources within an SRS resource set use independent OCC codes.
  • the OCC codes used by some SRS resources in an SRS resource set for odd-numbered frequency hopping and even-numbered frequency hopping are [+1 -1] and [+1 +1] respectively, and other SRS resources use odd-numbered frequency hopping.
  • the OCC codes used on even frequency hopping are [+1 +1] and [+1 -1] respectively.
  • the OCC used for each frequency hopping of the first SRS resource in an SRS resource set on multiple OFDMs is [+1 +1]
  • the second SRS resource in the SRS resource set is on multiple OFDMs.
  • the OCC used for each frequency hop is [+1 -1].
  • the OCC used by the first SRS resource in an SRS resource set for each frequency hopping on multiple OFDMs is [+1 +1 +1 +1]
  • the second SRS resource in the SRS resource set uses The OCC used for each frequency hopping on multiple OFDM is [+1 +1 -1 -1].
  • the transmission of target SRS resources means that the terminal equipment does not transmit the SRS signal on all OFDM symbols occupied by the one frequency hopping, or in other words, the terminal equipment discards all OFDM symbols occupied by the one frequency hopping.
  • the transmission of other frequency hops (not dynamically configured as downlink symbols) among the L frequency hops is not affected. This is because if the terminal equipment only sends part of the OFDM symbols occupied by the one frequency hopping, the orthogonality between different terminal equipment cannot be guaranteed through OCC.
  • OCC when OCC is used between multiple repeated transmissions of SRS resources, independent OCC is used for different repetition groups or different hops of SRS resources.
  • the SRS resources sent by one terminal device can be multiplexed with the SRS resources sent by different terminal devices in different frequency hopping or different repetition groups using OCC, which is beneficial to improving the scheduling flexibility and capacity of SRS.
  • the wireless communication method according to the embodiment of the present application is described in detail from the perspective of a terminal device above with reference to Figures 4 to 8.
  • the wireless communication method according to another embodiment of the present application is described in detail from the perspective of a network device with reference to Figure 9. Methods. It should be understood that the description on the network device side corresponds to the description on the terminal device side. Similar descriptions can be found above. To avoid duplication, they will not be described again here.
  • FIG 3 is a schematic flowchart of a wireless communication method 300 according to another embodiment of the present application.
  • the method 300 can be executed by the network device in the communication system shown in Figure 1.
  • the method 300 includes The following content:
  • the network device sends sounding reference signal SRS resource configuration information to the terminal device.
  • the SRS resource configuration information is used to indicate multiple orthogonal frequency division multiplexing OFDM symbols occupied by the target SRS resource, where the multiple OFDM symbols are For repeated transmission of the target SRS resource, or for repeated transmission and frequency domain frequency hopping of the target SRS resource;
  • S320 Determine the orthogonal cover code OCC used for the target SRS resources on the multiple OFDM symbols;
  • S330 Receive SRS signals on the multiple OFDM symbols according to the OCC.
  • the network device determines the specific implementation of the OCC used to determine the target SRS resources on the multiple OFDM symbols and the terminal device determines the implementation of the OCC used to determine the target SRS resources on the multiple OFDM symbols. Similar, for the sake of brevity, they will not be repeated here.
  • the multiple OFDM symbols are used for repeated transmission of the target SRS resource, and the repeated transmission of the target SRS resource on the multiple OFDM symbols is divided into M repeating groups, each repeating group It includes K repeated transmissions on K OFDM symbols, where K is the length of a group of OCCs, M is an integer greater than 1, and K is an integer greater than 1.
  • determining the positive interactive complement OCC used for the target SRS resource on the plurality of OFDM symbols includes: determining the OCC used for each repetition group on the plurality of OFDM symbols.
  • the method 300 further includes:
  • the network device sends first indication information to the terminal device, where the first indication information is used to indicate the OCC used for each repeating group on multiple OFDM symbols.
  • the first state of the first indication information is used to indicate that different OCCs used by different repetition groups on the plurality of OFDM symbols are different, wherein the first state includes at least one state; and/ or
  • the second state of the first indication information is used to indicate that the OCCs used by different repetition groups on the plurality of OFDM symbols are the same, wherein the second state includes at least one state.
  • the first indication information is used to indicate at least one of the following:
  • the OCC used for each repeated group is [+1 +1];
  • the OCC used for each repeated group is [+1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1], and the OCC used for even-numbered repeating groups is [+1 -1];
  • the OCC used in the first half of the repetition group is [+1 +1], and the OCC used in the second half of the repetition group is [+1 -1];
  • the OCC used for each repeated group is [+1 +1 +1 +1];
  • the OCC used for each repeated group is [+1 +1 -1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1 +1 +1], and the OCC used for even-numbered repeating groups is [+1 +1 -1 -1];
  • the OCC used for the first half of the repetitions is [+1 +1 +1 +1], and the OCC used for the second half of the repetitions is [+1 +1 -1 -1].
  • the first indication information is high-layer signaling or downlink control information DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the first indication information is high-layer signaling
  • the first indication information is DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the first indication information is indicated separately for each SRS resource set, wherein different SRS resources within an SRS resource set use the same OCC; or,
  • the first indication information is indicated separately for each SRS resource.
  • the OCC used for each repeating group over the plurality of OFDM symbols is predefined.
  • different OCCs used by different repetition groups on the plurality of OFDM symbols are different.
  • the OFDM symbols occupied by the first repetition group among the M repetition groups are dynamically configured as downlink symbols, then all OFDM symbols occupied by the first repetition group are not used for the target. Transmission of SRS signals.
  • the multiple OFDM symbols are used for repeated transmission and frequency domain frequency hopping of the target SRS resource.
  • the multiple OFDM symbols include L times of frequency hopping, and each frequency hopping includes K OFDM symbols. K repeated transmissions, where K is the length of a group of OCCs, L is an integer greater than 1, and K is an integer greater than 1.
  • determining the ortho-interactive complement OCC used for SRS resources on the multiple OFDM symbols includes:
  • the OCC used for each frequency hop on the plurality of OFDM symbols is determined.
  • the method 300 further includes:
  • the network device sends second indication information to the terminal device, used to indicate the OCC used for each frequency hopping on the multiple OFDM symbols.
  • the second indication information is a third state, used to indicate that different OCCs are used for different frequency hopping.
  • the second indication information is a fourth state and is used to indicate that the OCCs used in different frequency hopping are the same.
  • the second indication information is used to indicate at least one of the following:
  • the OCC used for each frequency hopping is [+1 +1];
  • the OCC used for each frequency hopping is [+1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1], and the OCC used for even-numbered frequency hopping is [+1 -1];
  • the OCC used in the first half of frequency hopping is [+1 +1], and the OCC used in the second half of frequency hopping is [+1 -1];
  • the OCC used for each frequency hopping is [+1 +1 +1 +1];
  • the OCC used for each frequency hopping is [+1 +1 -1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1 +1 +1], and the OCC used for even-numbered frequency hopping is [+1 +1 -1 -1];
  • the OCC used in the first half of frequency hopping is [+1 +1 +1 +1], and the OCC used in the second half of frequency hopping is [+1 +1 -1 -1].
  • the second indication information is indicated separately for each SRS resource set, wherein different SRS resources within an SRS resource set use the same OCC; or,
  • the second indication information is indicated separately for each SRS resource.
  • the second indication information is high-layer signaling or DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the second indication information is high-layer signaling
  • the second indication information is DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the OCC used for each frequency hop over the plurality of OFDM symbols is predefined.
  • different OCCs are used for different frequency hoppings on the multiple OFDM symbols.
  • all OFDM symbols occupied by the one frequency hopping are not used for the target SRS. Transfer of resources.
  • different SRS resources within an SRS resource set adopt the same OCC, or different SRS resources within an SRS resource set adopt independent OCCs.
  • K is configured by the network device, and K is less than the number of repeated transmissions of the target SRS resource.
  • Figure 10 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes:
  • the processing unit 410 is configured to determine multiple orthogonal frequency division multiplexing OFDM symbols occupied by the target sounding reference signal SRS resource, wherein the multiple OFDM symbols are used for repeated transmission of the target SRS resource, or for the Repeated transmission and frequency domain hopping of target SRS resources;
  • Communication unit 420 used to transmit the SRS signal.
  • the multiple OFDM symbols are used for repeated transmission of the target SRS resource, and the repeated transmission of the target SRS resource on the multiple OFDM symbols is divided into M repeating groups, each repeating group It includes K repeated transmissions on K OFDM symbols, where K is the length of a group of OCCs, M is an integer greater than 1, and K is an integer greater than 1.
  • the processing unit 410 is also used to:
  • the OCC used for each repeating group over the plurality of OFDM symbols is determined.
  • the OCC used for each repetition group on the plurality of OFDM symbols is determined according to the first indication information of the network device.
  • the first state of the first indication information is used to indicate that different OCCs used by different repetition groups on the plurality of OFDM symbols are different, wherein the first state includes at least one state; and/ or
  • the second state of the first indication information is used to indicate that the OCCs used by different repetition groups on the plurality of OFDM symbols are the same, wherein the second state includes at least one state.
  • the first indication information is used to indicate at least one of the following:
  • the OCC used for each repeated group is [+1 +1];
  • the OCC used for each repeated group is [+1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1], and the OCC used for even-numbered repeating groups is [+1 -1];
  • the OCC used in the first half of the repetition group is [+1 +1], and the OCC used in the second half of the repetition group is [+1 -1];
  • the OCC used for each repeated group is [+1 +1 +1 +1];
  • the OCC used for each repeated group is [+1 +1 -1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1 +1 +1], and the OCC used for even-numbered repeating groups is [+1 +1 -1 -1];
  • the OCC used for the first half of the repetitions is [+1 +1 +1 +1], and the OCC used for the second half of the repetitions is [+1 +1 -1 -1].
  • the first indication information is high-layer signaling or downlink control information DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the first indication information when the target SRS resource is a periodic SRS resource, the first indication information is high-layer signaling; when the target SRS resource is an aperiodic SRS resource, the first indication information is a non-periodic SRS resource.
  • the indication information is DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the first indication information is indicated separately for each SRS resource set, wherein different SRS resources within an SRS resource set use the same OCC; or,
  • the first indication information is indicated separately for each SRS resource.
  • the OCC used for each repeating group over the plurality of OFDM symbols is predefined.
  • different OCCs used by different repetition groups on the plurality of OFDM symbols are different.
  • all OFDM symbols occupied by the first repetition group are not used for the Transmission of target SRS resources.
  • the multiple OFDM symbols are used for repeated transmission and frequency domain frequency hopping of the target SRS resource.
  • the multiple OFDM symbols include L times of frequency hopping, and each frequency hopping includes K OFDM symbols. K repeated transmissions, where K is the length of a group of OCCs, L is an integer greater than 1, and K is an integer greater than 1.
  • the processing unit 410 is also used to:
  • the OCC used for each frequency hop on the plurality of OFDM symbols is determined.
  • the processing unit 410 is also used to:
  • the OCC used for each frequency hopping on the plurality of OFDM symbols is determined from the plurality of candidate OCCs.
  • the second indication information is a third state, used to indicate that different OCCs are used for different frequency hopping.
  • the second indication information is a fourth state and is used to indicate that the OCCs used in different frequency hopping are the same.
  • the second indication information is used to indicate at least one of the following:
  • the OCC used for each frequency hopping is [+1 +1];
  • the OCC used for each frequency hopping is [+1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1], and the OCC used for even-numbered frequency hopping is [+1 -1];
  • the OCC used in the first half of frequency hopping is [+1 +1], and the OCC used in the second half of frequency hopping is [+1 -1];
  • the OCC used for each frequency hopping is [+1 +1 +1 +1];
  • the OCC used for each frequency hopping is [+1 +1 -1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1 +1 +1], and the OCC used for even-numbered frequency hopping is [+1 +1 -1 -1];
  • the OCC used in the first half of frequency hopping is [+1 +1 +1 +1], and the OCC used in the second half of frequency hopping is [+1 +1 -1 -1].
  • the second indication information is indicated separately for each SRS resource set, wherein different SRS resources within an SRS resource set use the same OCC; or,
  • the second indication information is indicated separately for each SRS resource.
  • the second indication information is high-layer signaling or DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the second indication information when the target SRS resource is a periodic SRS resource, the second indication information is high-layer signaling; when the target SRS resource is an aperiodic SRS resource, the second indication information is a non-periodic SRS resource.
  • the indication information is DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the OCC used for each frequency hop over the plurality of OFDM symbols is predefined.
  • different OCCs are used for different frequency hoppings on the multiple OFDM symbols.
  • all OFDM symbols occupied by the one frequency hopping are not used for the target SRS. Transfer of resources.
  • different SRS resources within an SRS resource set adopt the same OCC, or different SRS resources within an SRS resource set adopt independent OCCs.
  • K is configured by the network device, and K is less than the number of repeated transmissions of the target SRS resource.
  • the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
  • the above-mentioned processing unit may be one or more processors.
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the terminal device 400 are respectively to realize Figures 4 to 8
  • the corresponding process of the terminal device in the method 200 shown is not repeated here for the sake of simplicity.
  • FIG. 11 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 500 of Figure 11 includes:
  • the communication unit 510 is configured to send sounding reference signal SRS resource configuration information to the terminal device, where the SRS resource configuration information is used to indicate multiple orthogonal frequency division multiplexing OFDM symbols occupied by the target SRS resource, wherein the multiple OFDM Symbols are used for repeated transmission of the target SRS resource, or for repeated transmission and frequency domain hopping of the target SRS resource;
  • the processing unit 520 is configured to determine the orthogonal cover code OCC used for the target SRS resources on the multiple OFDM symbols;
  • SRS signals on the plurality of OFDM symbols are received according to the OCC.
  • the multiple OFDM symbols are used for repeated transmission of the target SRS resource, and the repeated transmission of the target SRS resource on the multiple OFDM symbols is divided into M repeating groups, each repeating group It includes K repeated transmissions on K OFDM symbols, where K is the length of a group of OCCs, M is an integer greater than 1, and K is an integer greater than 1.
  • the processing unit 520 is also used to:
  • the OCC used for each repeating group over the plurality of OFDM symbols is determined.
  • the communication unit 520 is also used to:
  • First indication information is sent to the terminal device, used to indicate the OCC used for each repetition group on the plurality of OFDM symbols.
  • the first state of the first indication information is used to indicate that different OCCs used by different repetition groups on the plurality of OFDM symbols are different, wherein the first state includes at least one state; and/ or
  • the second state of the first indication information is used to indicate that the OCCs used by different repetition groups on the plurality of OFDM symbols are the same, wherein the second state includes at least one state.
  • the first indication information is used to indicate at least one of the following:
  • the OCC used for each repeated group is [+1 +1];
  • the OCC used for each repeated group is [+1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1], and the OCC used for even-numbered repeating groups is [+1 -1];
  • the OCC used in the first half of the repetition group is [+1 +1], and the OCC used in the second half of the repetition group is [+1 -1];
  • the OCC used for each repeated group is [+1 +1 +1 +1];
  • the OCC used for each repeated group is [+1 +1 -1 -1];
  • the OCC used for odd-numbered repeating groups is [+1 +1 +1 +1], and the OCC used for even-numbered repeating groups is [+1 +1 -1 -1];
  • the OCC used for the first half of the repetitions is [+1 +1 +1 +1], and the OCC used for the second half of the repetitions is [+1 +1 -1 -1].
  • the first indication information is high-layer signaling or downlink control information DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the first indication information when the target SRS resource is a periodic SRS resource, the first indication information is high-layer signaling; when the target SRS resource is an aperiodic SRS resource, the first indication information is a non-periodic SRS resource.
  • the indication information is DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the first indication information is indicated separately for each SRS resource set, wherein different SRS resources within an SRS resource set use the same OCC; or,
  • the first indication information is indicated separately for each SRS resource.
  • the OCC used for each repeating group over the plurality of OFDM symbols is predefined.
  • different OCCs used by different repetition groups on the plurality of OFDM symbols are different.
  • the OFDM symbols occupied by the first repetition group among the M repetition groups are dynamically configured as downlink symbols, then all OFDM symbols occupied by the first repetition group are not used for the target. Transmission of SRS signals.
  • the multiple OFDM symbols are used for repeated transmission and frequency domain frequency hopping of the target SRS resource.
  • the multiple OFDM symbols include L times of frequency hopping, and each frequency hopping includes K OFDM symbols. K repeated transmissions, where K is the length of a group of OCCs, L is an integer greater than 1, and K is an integer greater than 1.
  • the processing unit 520 is also used to:
  • the OCC used for each frequency hop on the plurality of OFDM symbols is determined.
  • the communication unit 520 is also used to:
  • the second indication information is a third state, used to indicate that different OCCs are used for different frequency hopping.
  • the second indication information is a fourth state and is used to indicate that the OCCs used in different frequency hopping are the same.
  • the second indication information is used to indicate at least one of the following:
  • the OCC used for each frequency hopping is [+1 +1];
  • the OCC used for each frequency hopping is [+1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1], and the OCC used for even-numbered frequency hopping is [+1 -1];
  • the OCC used in the first half of frequency hopping is [+1 +1], and the OCC used in the second half of frequency hopping is [+1 -1];
  • the OCC used for each frequency hopping is [+1 +1 +1 +1];
  • the OCC used for each frequency hopping is [+1 +1 -1 -1];
  • the OCC used for odd-numbered frequency hopping is [+1 +1 +1 +1], and the OCC used for even-numbered frequency hopping is [+1 +1 -1 -1];
  • the OCC used in the first half of frequency hopping is [+1 +1 +1 +1], and the OCC used in the second half of frequency hopping is [+1 +1 -1 -1].
  • the second indication information is indicated separately for each SRS resource set, wherein different SRS resources within an SRS resource set use the same OCC; or,
  • the second indication information is indicated separately for each SRS resource.
  • the second indication information is high-layer signaling or DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the second indication information when the target SRS resource is a periodic SRS resource, the second indication information is high-layer signaling; when the target SRS resource is an aperiodic SRS resource, the second indication information is a non-periodic SRS resource.
  • the indication information is DCI, and the DCI is used to trigger the transmission of the target SRS resource.
  • the OCC used for each frequency hop over the plurality of OFDM symbols is predefined.
  • different OCCs are used for different frequency hoppings on the multiple OFDM symbols.
  • all OFDM symbols occupied by the one frequency hopping are not used for the target SRS. Transfer of resources.
  • different SRS resources within an SRS resource set adopt the same OCC, or different SRS resources within an SRS resource set adopt independent OCCs.
  • K is configured by the network device, and K is less than the number of repeated transmissions of the target SRS resource.
  • the above-mentioned communication unit may be a communication interface or transceiver, or an input/output interface of a communication chip or a system on a chip.
  • the above-mentioned processing unit may be one or more processors.
  • network device 500 may correspond to the network device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the network device 500 are respectively to implement the method shown in Figure 9
  • the corresponding process of the network equipment in 300 will not be described again for the sake of simplicity.
  • Figure 12 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in Figure 12 includes a processor 610.
  • the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 can call and run the computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610 , or may be integrated into the processor 610 .
  • the communication device 600 may also include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices. Specifically, the communication device 600 may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a network device according to the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of brevity, details will not be repeated here. .
  • the communication device 600 can be a mobile terminal/terminal device according to the embodiment of the present application, and the communication device 600 can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application. For the sake of simplicity, , which will not be described in detail here.
  • FIG 13 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in Figure 13 includes a processor 710.
  • the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may also include a memory 720 .
  • the processor 710 can call and run the computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated into the processor 710 .
  • the chip 700 may also include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip 700 may also include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
  • the details will not be described again.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiment of the present application. For the sake of simplicity, here No longer.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Figure 14 is a schematic block diagram of a communication system 900 provided by an embodiment of the present application. As shown in FIG. 14 , the communication system 900 includes a terminal device 910 and a network device 920 .
  • the terminal device 910 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 920 can be used to implement the corresponding functions implemented by the network device in the above method.
  • no further details will be given here. .
  • the processor in the embodiment of the present application may be an integrated circuit chip and has signal processing capabilities.
  • each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available processors.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Random Access Memory
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application can also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, memories in embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
  • Embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of simplicity, here No longer.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiment of the present application. , for the sake of brevity, will not be repeated here.
  • An embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of brevity, they are not included here. Again.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, no further details will be given here.
  • An embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiment of the present application.
  • the computer program For the sake of simplicity , which will not be described in detail here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the various methods implemented by the mobile terminal/terminal device in the embodiments of the present application. The corresponding process, for the sake of brevity, will not be repeated here.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

La présente invention concerne un procédé de communication sans fil, un dispositif terminal et un dispositif de réseau. Le procédé comprend les étapes suivantes : un dispositif terminal détermine une pluralité de symboles de multiplexage par répartition orthogonale de la fréquence (OFDM), qui sont occupés par une ressource de signal de référence de sondage (SRS) cible, la pluralité de symboles OFDM étant utilisés pour une transmission répétée de la ressource SRS cible, ou étant utilisés pour une transmission répétée et un saut de domaine fréquentiel de la ressource SRS cible ; détermine un code de couverture orthogonal (OCC), qui est utilisé par la ressource SRS cible sur la pluralité de symboles OFDM ; et génère des signaux SRS sur la pluralité de symboles OFDM selon l'OCC et transmet les signaux SRS.
PCT/CN2022/086377 2022-04-12 2022-04-12 Procédé de communication sans fil, dispositif terminal et dispositif réseau WO2023197158A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105610557A (zh) * 2015-09-25 2016-05-25 武汉虹信通信技术有限责任公司 一种lte载波聚合下的srs发送方法及装置
CN110383739A (zh) * 2017-03-21 2019-10-25 Lg 电子株式会社 在无线通信系统中在终端和基站之间发送和接收物理上行链路控制信道的方法和装置
US20200267718A1 (en) * 2017-05-03 2020-08-20 Lg Electronics Inc. Method by which terminal and base station transmit/receive signal in wireless communication system, and device for supporting same
CN113067689A (zh) * 2017-01-17 2021-07-02 Oppo广东移动通信有限公司 传输探测参考信号的方法、终端设备和网络设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105610557A (zh) * 2015-09-25 2016-05-25 武汉虹信通信技术有限责任公司 一种lte载波聚合下的srs发送方法及装置
CN113067689A (zh) * 2017-01-17 2021-07-02 Oppo广东移动通信有限公司 传输探测参考信号的方法、终端设备和网络设备
CN110383739A (zh) * 2017-03-21 2019-10-25 Lg 电子株式会社 在无线通信系统中在终端和基站之间发送和接收物理上行链路控制信道的方法和装置
US20200267718A1 (en) * 2017-05-03 2020-08-20 Lg Electronics Inc. Method by which terminal and base station transmit/receive signal in wireless communication system, and device for supporting same

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