WO2022067802A1 - Procédé et appareil de configuration de signal de référence de détection, terminal et dispositif réseau - Google Patents

Procédé et appareil de configuration de signal de référence de détection, terminal et dispositif réseau Download PDF

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Publication number
WO2022067802A1
WO2022067802A1 PCT/CN2020/119727 CN2020119727W WO2022067802A1 WO 2022067802 A1 WO2022067802 A1 WO 2022067802A1 CN 2020119727 W CN2020119727 W CN 2020119727W WO 2022067802 A1 WO2022067802 A1 WO 2022067802A1
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Prior art keywords
information
srs
subband
bit
frequency domain
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PCT/CN2020/119727
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English (en)
Chinese (zh)
Inventor
田杰娇
史志华
陈文洪
黄莹沛
方昀
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202080104459.XA priority Critical patent/CN116097600B/zh
Priority to PCT/CN2020/119727 priority patent/WO2022067802A1/fr
Publication of WO2022067802A1 publication Critical patent/WO2022067802A1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path

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  • the present application relates to the field of communication technologies, and in particular, to a sounding reference signal configuration method and apparatus, a terminal, and a network device.
  • the 3rd generation partnership project (3GPP) is devoted to the formulation of communication protocol standards.
  • the existing communication protocol standards have related records for the sounding reference signal (sounding reference signal, SRS) in the communication process.
  • the frequency-hopping spread spectrum (FHSS) supported by the new radio (NR) system needs to transmit the SRS over the entire frequency band resource.
  • FHSS frequency-hopping spread spectrum
  • NR new radio
  • Embodiments of the present application provide a sounding reference signal configuration method and apparatus, a terminal, and a network device, so as to realize the configuration of resource location distribution for transmitting sounding reference signals, thereby improving the utilization efficiency of frequency band resources and improving the complexity of SRS. use ability.
  • an embodiment of the present application provides a sounding reference signal configuration method, including:
  • the terminal acquires first information from the network device, where the first information is used to indicate the resource configuration of the sounding reference signal SRS;
  • the terminal determines, according to the first information, resource location distribution for transmitting the SRS.
  • an embodiment of the present application provides a sounding reference signal configuration method, including:
  • an embodiment of the present application provides an apparatus for configuring a sounding reference signal, which is applied to a terminal.
  • the apparatus includes a processing unit and a communication unit, where the processing unit is configured to:
  • Resource location distribution for transmitting the SRS is determined according to the first information.
  • an embodiment of the present application provides an apparatus for configuring a sounding reference signal, which is applied to a network device.
  • the apparatus includes a processing unit and a communication unit, where the processing unit is configured to:
  • an embodiment of the present application provides a terminal, including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and configured by the The processor executes the program, and the program includes instructions for executing steps in any method in the first aspect of the embodiments of the present application.
  • an embodiment of the present application provides a network device, including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and are configured by the The program is executed by the processor, and the program includes instructions for executing steps in any method in the second aspect of the embodiments of the present application.
  • an embodiment of the present application provides a chip, including a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the first aspect or the second aspect of the embodiment of the present application Some or all of the steps described in any method.
  • embodiments of the present application provide a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program is operable to cause a computer to execute the Some or all of the steps described in any method of the first aspect or the second aspect of the embodiments of the present application.
  • the computer program may be a software installation package.
  • the network device sends the first information to the terminal; then, the terminal obtains the first information, and determines the resource location distribution for transmitting the sounding reference signal according to the first information. Since the first information is sent by the network device to the terminal, it is beneficial to realize the configuration of the resource location distribution for transmitting the SRS by the network device. In addition, the terminal determines the resource location distribution for transmitting the SRS according to the first information, and then transmits the SRS through the resource location distribution. Because the SRS only needs to be transmitted on all or part of the frequency band resources through the resource location distribution, all or part of the SRS can be transmitted, and the utilization efficiency of the frequency band resources is improved. At the same time, the transmission part of the SRS can obtain additional power gain to improve the power density, and the frequency band resources that are not used for the transmission of the SRS can be allocated to other terminals to improve the multiplexing capability of the SRS.
  • FIG. 1 is a schematic structural diagram of a wireless communication system provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a sounding reference signal configuration method provided by an embodiment of the present application
  • 3 is a schematic structural diagram of a subband size of 4 PRBs provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a time domain location distribution of sounding reference signal frequency hopping provided by an embodiment of the present application
  • FIG. 5 is a schematic structural diagram of determining, according to first bit bitmap information, a time-domain location distribution for transmitting a sounding reference signal in a sounding reference signal resource according to an embodiment of the present application;
  • FIG. 6 is a schematic structural diagram of time-domain location distribution of a compressed sounding reference signal frequency hopping provided by an embodiment of the present application
  • FIG. 7 is a schematic structural diagram of frequency domain location distribution of sounding reference signal frequency hopping or transmission provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of determining, according to second bitmap information, a frequency domain location distribution used for transmitting a sounding reference signal in a sounding reference signal resource according to an embodiment of the present application;
  • FIG. 9 is a schematic structural diagram of a frequency domain location distribution for transmitting a sounding reference signal in a sounding reference signal resource provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a frequency domain position distribution in a subband provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of determining, according to second bitmap information, a frequency domain location distribution for transmitting a sounding reference signal in a subband according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of processing in a reused manner based on resource location distribution information in a subband provided by an embodiment of the present application;
  • FIG. 13 is a schematic structural diagram of processing in the same transmission mode based on resource location distribution mode information in a subband provided by an embodiment of the present application;
  • FIG. 14 is a block diagram of functional units of a sounding reference signal configuration apparatus provided by an embodiment of the present application.
  • FIG. 15 is a block diagram of functional units of another sounding reference signal configuration apparatus provided by an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • FIG. 17 is a schematic structural diagram of a network device provided by an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband 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 5th-Generation
  • wireless communication systems will not only support traditional wireless communication systems, but also support devices such as device to device (D2D) communication, machine to machine (M2M) communication, machine Type communication (machine type communication, MTC), inter-vehicle (vehicle to vehicle, V2V) communication or vehicle networking (vehicle to everything, V2X) communication, etc., so the technical solutions of the embodiments of the present application can also be applied to the above-mentioned wireless communication system.
  • D2D device to device
  • M2M machine to machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • V2X vehicle networking
  • the wireless communication system in the embodiments of the present application may be applied to beamforming (beamforming), carrier aggregation (carrier aggregation, CA), dual connectivity (dual connectivity, DC) or standalone (standalone, SA) deployment scenarios.
  • beamforming beamforming
  • carrier aggregation carrier aggregation
  • CA carrier aggregation
  • DC dual connectivity
  • SA standalone
  • the wireless communication system in this embodiment of the present application may be applied to an unlicensed spectrum.
  • unlicensed spectrum can also be considered as shared spectrum.
  • the wireless communication system in this embodiment may also be applied to licensed spectrum.
  • licensed spectrum can also be considered as non-shared spectrum.
  • the terminal may be a user equipment (user equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, an intelligent terminal, a wireless communication device, User Agent or User Device.
  • UE user equipment
  • an access terminal a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, an intelligent terminal, a wireless communication device, User Agent or User Device.
  • the terminal may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a wireless communication function handheld devices, computing devices or other processing devices connected to wireless modems, relay devices, in-vehicle devices, wearable devices, terminals in next-generation communication systems such as NR networks or future evolution of public land mobile communication networks network, PLMN), etc., which are not specifically limited.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the terminal can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle; can be deployed on water (such as ships, etc.); can also be deployed in the air (such as aircraft, balloons and satellites, etc.).
  • the terminal can 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, an augmented reality (augmented reality, AR) terminal device, industrial control ( Wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid, transportation security (transportation) wireless terminal equipment in safety), wireless terminal equipment in smart city (smart city) or wireless terminal equipment in smart home (smart home), etc.
  • a virtual reality virtual reality, VR
  • AR augmented reality
  • industrial control Wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid, transportation security (transportation) wireless terminal equipment in safety
  • wireless terminal equipment in smart city smart city
  • smart home smart home
  • the network device may be a device for communicating with a terminal, and the network device may be a base station (base transceiver station, BTS) in a GSM or CDMA communication system, a base station (nodeB, NB) in a WCDMA communication system, An evolved base station (evolutional node B, eNB or eNodeB) in an LTE communication system or a base station (gNB) in an NR communication system.
  • the network device may also be an access point (access point, AP) in a wireless local area network (WLAN), a relay station, a network device in a future evolved PLMN network, or a network device in an NTN network, and the like.
  • the gNB may include a centralized unit (centralized unit, CU) and a distributed unit (distributed unit, DU).
  • the gNB may also include an active antenna unit (AAU).
  • the CU implements some functions of the gNB, and the DU implements some functions of the gNB.
  • the CU is responsible for processing non-real-time protocols and services, and implementing the functions of the radio resource control (RRC) layer and the packet data convergence protocol (PDCP) layer.
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • the DU is responsible for processing physical layer protocols and real-time services, and implementing the functions of the radio link control (RLC) layer, the media access control (MAC) layer and the physical (PHY) layer.
  • RLC radio link control
  • MAC media access control
  • PHY physical
  • the AAU implements some physical layer processing functions, radio frequency processing and related functions of active antennas. Since the information of the RRC layer will eventually become the information of the PHY layer, or be transformed from the information of the PHY layer, therefore, under this architecture, the higher-layer signaling (such as the RRC layer signaling) can be considered to be sent by the DU. , or sent by DU+AAU.
  • the network device may include one or more devices of a CU node, a DU node, and an AAU node.
  • the CU may be divided into network devices in an access network (radio access network, RAN), and the CU may also be divided into network devices in a core network (core network, CN), which is not specifically limited.
  • the network device may have mobile characteristics, for example, the network device may be a mobile device.
  • the network device may be a satellite or a balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a high elliptical orbit (HEO) ) satellite etc.
  • the network device may also be a base station set in a location such as land or water.
  • the network device can provide services for the cell, and the terminals in the cell can communicate with the network device through transmission resources (eg, spectrum resources).
  • the cells may include small cells (small cells), urban cells (metro cells), micro cells (micro cells), pico cells (pico cells), femto cells (femto cells), and the like.
  • the wireless communication system 10 may include a network device 110 and a terminal 120 , and the network device 110 may be a device that performs communication with the terminal 120 . At the same time, the network device 110 may provide communication coverage for a specific geographic area, and may communicate with the terminals 120 located within the coverage area.
  • the wireless communication system 10 may further include multiple network devices, and the coverage of each network device may include other numbers of terminals, which are not specifically limited herein.
  • the wireless communication system 10 may further include other network entities such as a network controller, a mobility management entity, etc., which are not specifically limited herein.
  • network entities such as a network controller, a mobility management entity, etc., which are not specifically limited herein.
  • the communication between the network device and the terminal in the wireless communication system 10 and the communication between the terminal and the terminal may be wireless communication or wired communication, which is not specifically limited herein.
  • SRS Sounding reference signal
  • SRS is an important reference signal in 5G/NR system and is widely used in various functions in NR system, such as:
  • Non-codebook such as frequency domain scheduling and determination of SRS resource indicator (sounding reference signal resource indicator, SRI)/MCS.
  • NR SRS not only introduces the concept of SRS resource (SRS resource), but also introduces the concept of SRS resource set (SRS resource set).
  • the network device can configure one or more for a terminal, and each SRS Resource set can configure one or more SRS resources.
  • SRS supports three different transmission modes: periodic (periodic), semi-persistent (semi-persistent) and aperiodic (aperiodic). details as follows:
  • the periodic SRS refers to the periodically transmitted SRS, and its period and slot offset (slot offset) are configured by RRC signaling. If the terminal receives the relevant configuration information configured by the RRC signaling, the terminal sends the SRS at a certain period according to the relevant information until the relevant configuration information becomes invalid.
  • the spatial correlation information (spatial relation information) of the periodic SRS is also configured by RRC signaling.
  • the spatial correlation information is used to indicate the transmitted beam in an implicit manner, and the spatial correlation information may indicate a channel state information reference signal (channel state information, CSI-RS), a synchronization signal block (synchronization signal and PBCH) block, SSB) or refer to SRS. Therefore, the terminal may determine the transmission beam of the SRS resource according to the reception beam of the CSI-RS/SSB indicated by the spatial correlation information, or determine the transmission beam of the SRS resource according to the transmission beam of the reference SRS resource.
  • Semi-persistent SRS also refers to periodically transmitted SRS, and its period and time slot offset are configured by RRC signaling, but its activation signaling and deactivation signaling are controlled by the media access control layer (media access control control unit). element, MAC CE) is carried. The terminal starts to periodically transmit the SRS after receiving the activation signaling until the deactivation signaling is received. At the same time, the space-related information of the semi-persistent SRS is carried together by the MAC CE that activates the SRS.
  • the terminal After receiving the period and time slot offset configured by RRC signaling, the terminal determines the time slot that can be used to transmit SRS according to the following formula:
  • n f represents the radio frame number
  • T offset represents the slot offset configured by RRC signaling
  • T SRS represents the period configured by RRC signaling.
  • the aperiodic SRS refers to an SRS that is transmitted aperiodically.
  • the aperiodic SRS is a concept newly introduced in the NR system.
  • the network device can trigger the terminal to transmit SRS aperiodically through downlink control information (DCI).
  • DCI downlink control information
  • the trigger signaling for triggering aperiodic SRS transmission can be used for scheduling the physical uplink shared channel (PUSCH) or the physical downlink shared channel (PDSCH) in the UE-specific search space.
  • the DCI bearer can also be carried by the DCI format 2_3 (DCI format 2_3) in the common search space.
  • DCI format 2_3 can not only be used to trigger aperiodic SRS transmission, but also can be used to configure the TPC command of SRS on a group of UEs or a group of carriers at the same time. Meanwhile, the DCI carries a 2-bit SRS-request to trigger aperiodic transmission of the SRS.
  • the terminal After receiving the aperiodic SRS trigger signaling (such as DCI), the terminal performs aperiodic SRS transmission on the SRS resource set indicated by the trigger signaling.
  • the time slot offset between the trigger signaling and the aperiodic SRS transmission is configured by higher layer signaling (eg, RRC signaling).
  • the network device instructs the terminal through high-layer signaling in advance the configuration parameters of each SRS resource set, including time-frequency resources, sequence parameters, power control parameters, and the like.
  • the terminal can also determine the transmission beam used for transmitting the SRS on the SRS resource through the spatial correlation information of the SRS resource, and the spatial correlation information is configured to each SRS resource through the RRC information.
  • SRS resources For each SRS resource in the triggered SRS resource set, the terminal can also determine the transmission beam used for transmitting the SRS on the SRS resource through the spatial correlation information of the SRS resource, and the spatial correlation information is configured to each SRS resource through the RRC information.
  • the frequency domain configuration of the SRS is determined by the symbol C SRS and the symbol B SRS shown in Table 1, and m SRS,b represents the number of physical resource blocks (physical resource blocks, PRBs) for SRS transmission.
  • b B SRS
  • C SRS ⁇ ⁇ 0,1,...,63 ⁇ is given by the field c-SRS contained in the high-level parameter freqHopping
  • B SRS ⁇ ⁇ 0,1,2,3 ⁇ It is given by the field b-SRS contained in the high-level parameter freqHopping.
  • the NR system supports SRS frequency hopping. If b hop ⁇ B SRS is satisfied (where b hop is a parameter configured by RRC signaling), the terminal sends the SRS signal in the form of frequency hopping.
  • b hop is a parameter configured by RRC signaling
  • the terminal sends the SRS signal in the form of frequency hopping.
  • m SRS,0 represents the total bandwidth of SRS frequency hopping
  • m SRS,b represents the number of PRBs transmitted in each frequency hopping.
  • the terminal determines the frequency domain position of each frequency hopping by the following formula:
  • N b is determined by a preset table
  • n RRC is a parameter configured by RRC signaling
  • F b (n SRS ) is determined by:
  • 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:
  • n f represents the radio frame number
  • T offset represents the slot offset configured by RRC signaling
  • T SRS represents the period configured by RRC signaling. in, Determined by Table 2.
  • ⁇ f represents the subcarrier spacing
  • ⁇ f represents the number of OFDM symbols contained in each slot
  • T slot represents the length of the time slot.
  • the frequency-hopping spread spectrum (FHSS) supported by the new radio (NR) system needs to transmit the SRS over the entire frequency band resource.
  • FHSS frequency-hopping spread spectrum
  • NR new radio
  • an embodiment of the present application provides a schematic flowchart of a sounding reference signal configuration method, please refer to FIG. 2 .
  • the method includes:
  • the network device sends the first information to the terminal.
  • the first information may be used to indicate the resource configuration of the sounding reference signal.
  • the network device may send the first information for the sounding reference signal resource to the terminal.
  • the existing communication protocol standards make relevant provisions on the sounding reference signal resources configured by the network device to the terminal.
  • the terminal needs to transmit several SRSs on the configured sounding reference signal resources.
  • the first information for the sounding reference signal resources is sent to the terminal through the network device; then, the terminal determines, according to the first information, the resource location distribution for transmitting the SRS in the sounding reference signal resources, and then uses The resource locations are distributed to transmit SRS.
  • the embodiment of the present application only needs to transmit SRS on all or part of the frequency band resources of the sounding reference signal resource through the resource location distribution, that is, transmit all or part of the SRS.
  • the transmission part of SRS has two main benefits: the first is to improve the power density, that is, the transmission part of the SRS can obtain additional power gain; the second is to improve the multiplexing ability of the SRS, that is, there is no
  • the frequency band resources used to transmit the SRS can be allocated to other terminals.
  • the sounding reference signal resource (SRS resource) in the embodiment of the present application is the sounding reference signal resource in the sounding reference signal resource set (SRS resource set).
  • the sounding reference signal resource set is configured by the network device through RRC signaling. It should be noted that the network device may configure at least one sounding reference signal resource set to the terminal through RRC signaling, and each sounding reference signal resource set includes at least one sounding reference signal resource.
  • the sounding reference signal resource set is configured by the high layer parameter SRS-ResourceSet
  • the sounding reference signal resource is configured by the high layer parameter SRS-Resource.
  • the information element (information element, IE) in the RRC signaling includes the SRS-Config information element, and the SRS-Config information element is used to configure the transmission of the sounding reference signal.
  • the SRS-Config information element includes the high-level parameter SRS-ResourceSet and the high-level parameter SRS-Resource.
  • the high-level parameter SRS-ResourceSet contains a usage parameter, and usage can be configured as one of the sets ⁇ beamManagement, codebook, nonCodebook, antennaSwitching ⁇ .
  • the high-level parameter SRS-Resource includes a frequency hopping (freqHopping) parameter
  • freqHopping includes the following three fields: c-SRS, b-SRS, and b-hop.
  • c-SRS can be configured as a value in the set (0,...,63);
  • b-SRS can be configured as a value in the set (0,...,3),
  • b-hop can be configured as a set ( 0,...,3) to take a value.
  • the high-layer parameter SRS-Resource may include a second parameter, and the second parameter may include the following three fields: start position (startPosition), number of consecutive OFDM symbols (nrofSymbols), and repetition factor (repetitionFactor).
  • startPosition start position
  • nrofSymbols number of consecutive OFDM symbols
  • repetitionFactor repetition factor
  • the second parameter may be a resource mapping parameter (resourceMapping).
  • nrofSymbols may be configured as a value in a set of the number of consecutive OFDM symbols, and the set of the number of consecutive OFDM symbols may be determined by the first set of the number of symbols and the second set of the number of symbols.
  • the repetitionFactor can be configured to take a value in a set of repetition factors, and the set of repetition factors can be determined by the first set of repetition factors and the second set of repetition factors.
  • the first number set of symbols may be ⁇ n1,n2,n4 ⁇
  • the second set of numbers of symbols may be ⁇ n6,n8,n12,n14 ⁇
  • the first repetition factor set may be ⁇ n1, n2, n4 ⁇
  • the second repetition factor set may be ⁇ n6, n8, n12, n14 ⁇ .
  • the set of the number of consecutive OFDM symbols may include at least one of the following: ⁇ n1,n2,n4,n6 ⁇ , ⁇ n1,n2,n4,n8 ⁇ , ⁇ n1,n2,n4,n8 ⁇ , ⁇ n1 ,n2,n4,n14 ⁇ , ⁇ n1,n2,n4,n6,n8 ⁇ , ⁇ n1,n2,n4,n6,n14 ⁇ , ⁇ n1,n2,n4,n8,n14 ⁇ , ⁇ n1,n2,n4 ,n8,n14 ⁇ , ⁇ n1,n2,n4,n6,n8,n14 ⁇ .
  • the set of repetition factors may include at least one of the following: ⁇ n1,n2,n4,n6 ⁇ , ⁇ n1,n2,n4,n8 ⁇ , ⁇ n1,n2,n4,n8 ⁇ , ⁇ n1,n2,n4 ,n14 ⁇ , ⁇ n1,n2,n4,n6,n8 ⁇ , ⁇ n1,n2,n4,n6,n14 ⁇ , ⁇ n1,n2,n4,n8,n14 ⁇ , ⁇ n1,n2,n4,n8,n14 ⁇ , ⁇ n1,n2,n4,n8,n14 ⁇ , ⁇ n1,n2,n4,n8,n14 ⁇ , ⁇ n1,n2,n4,n8,n14 ⁇ .
  • the first information is transmitted by at least one of radio resource control RRC signaling, a control element MAC CE of the medium access control layer, and downlink control information DCI. It can be understood that the network device may transmit or indicate the first information to the terminal through at least one of RRC signaling, MAC CE, and DCI.
  • the terminal acquires the first information from the network device.
  • the first information includes at least one of the following: resource location distribution mode information based on a subband level, and resource location distribution mode information based on a subband.
  • resource location distribution mode information based on a subband level
  • resource location distribution mode information based on a subband.
  • the subband level can be understood as the sounding reference signal resource, and the minimum granularity in the frequency domain of the sounding reference signal resource is the subband.
  • the resource location distribution information based on the subband level can be used to determine the location distribution of the time-frequency domain resources used for transmitting the sounding reference signal on the sounding reference signal resources; based on the resource location distribution information in the subband It can be used to determine the frequency domain location distribution for transmitting the sounding reference signal in the subband of the sounding reference signal resource.
  • the subband size of the subband may satisfy at least one of the following manners: the subband size of the subband is K PRBs, the subband size of the subband is determined by the first parameter, the subband size of the subband is determined by the first parameter, and the subband size of the subband is determined by the first parameter.
  • the subband size of the subband is the minimum unit of the sounding reference signal frequency hopping.
  • the first parameter may be used to indicate the frequency hopping information of the SRS, and K is an integer greater than or equal to 1.
  • K is a value in the set ⁇ 4, 8, 12, 16 ⁇ .
  • the sub-band size of the sub-band is one value in the set of ⁇ 4, 8, 12, 16 ⁇ PRBs. It can be understood that the subband size can be configured as one value in the set of ⁇ 4, 8, 12, 16 ⁇ PRBs.
  • FIG. 3 illustrates a schematic structural diagram of a subband size of 4 PRBs.
  • the subband size of the subband is determined by at least one field in the first parameter.
  • the first parameter may be a frequency hopping parameter (freq Hopping).
  • freq Hopping includes: c-SRS, b-SRS, b-hop.
  • C SRS ⁇ ⁇ 0,1,...,63 ⁇ is given by the domain c-SRS contained in the high-level parameter freqHopping
  • B SRS ⁇ ⁇ 0,1,2,3 ⁇ is given by the domain contained in the high-level parameter freqHopping b-SRS given.
  • the subband size of the subband has a mapping relationship with the sounding reference signal transmission bandwidth. For example, if the SRS transmission bandwidth is 64 PRBs, the subband size is 16PRBs; if the SRS transmission bandwidth is 32 PRBs, the subband size is 8 PRBs; if the SRS transmission bandwidth is 16PRBs, the subband size is 4PRBs, etc. , without any specific restrictions.
  • the subband size of the subband is the minimum unit of sounding reference signal frequency hopping. It should be noted that the minimum unit of sounding reference signal frequency hopping may be expressed as m SRS,b ; wherein, m SRS,b may be determined by Table 1.
  • the subband size of the subband is the smallest value. It can be understood that, if the network device configures the subband size in the above two, three or four ways at the same time, the configuration with the smallest subband size shall prevail.
  • the subband size of the subband is configured by RRC signaling. It can be understood that the network device configures the subband size of the subband to the terminal through RRC signaling.
  • the terminal determines, according to the first information, resource location distribution for transmitting sounding reference signals.
  • the terminal determines, according to the first information, the resource location distribution used for transmitting the sounding reference signal, which may include the following operations: Location distribution of time domain and/or frequency domain resources for transmitting sounding reference signals.
  • the first information may include subband level-based resource location distribution information and/or resource location distribution information based on subbands
  • the time domain and/or frequency domain resources used for transmitting sounding reference signals may be divided into time Domain resources or different angles of frequency domain resources
  • Embodiment 1 mainly analyzes the time domain position distribution method based on the subband level
  • Embodiment 2 mainly analyzes the frequency domain position distribution method based on the subband level
  • Embodiment 3 mainly analyzes the frequency domain position distribution method based on the subband level
  • Embodiment 4 mainly analyzes the sub-band level and the time-frequency domain position distribution mode within the sub-band.
  • the terminal determines the first information on the location distribution of the time domain and/or frequency domain resources used for transmitting the sounding reference signal in the sounding reference signal resource according to the information on the resource location distribution based on the subband level, which may include The following operations are performed: the terminal determines, according to the resource location distribution manner information based on the subband level, the time domain location distribution used for transmitting the sounding reference signal in the sounding reference signal resource.
  • Embodiment 1 mainly analyzing the time domain position distribution mode based on the subband level, this embodiment mainly considers the time domain position of the SRS frequency hopping when the frequency hopping function is enabled. It can be seen from the above description that in a time slot of the sounding reference signal resource (SRS resource), the number of SRS frequency hopping n SRS can be determined by the parameters l', R. n f , Decisions such as T offset or T SRS , so n SRS has various forms.
  • SRS resource the number of SRS frequency hopping n SRS can be determined by the parameters l', R. n f , Decisions such as T offset or T SRS , so n SRS has various forms.
  • FIG. 4 illustrates the time domain location distribution of SRS frequency hopping under 6 forms of n SRS .
  • the black box represents the time domain position where the terminal can transmit SRS
  • two boxes represent 1 subband
  • 1 box represents an OFDM symbol.
  • the resource location distribution mode information based on the subband level may include: first bit bitmap information or X-bit information, where X is an integer greater than or equal to 2. It can be understood that, the terminal may determine, according to the first bit bitmap information or the X-bit information, the time domain location distribution used for transmitting the sounding reference signal in the sounding reference signal resource.
  • this embodiment will specifically introduce the information of the resource location distribution mode based on the subband level as the first bitmap (bitmap) information.
  • the length of the first bitmap information may be determined by the second parameter.
  • the second parameter may be a high-level parameter resourceMapping.
  • the fields in the resourceMapping include at least one of the following: the number of consecutive OFDM symbols nrofSymbols, and the repetition factor repetitionFactor.
  • the length of the first bit bitmap information can be in, Indicates the number of consecutive OFDM symbols (configured by RRC signaling), and R is the repetition factor (configured by RRC signaling).
  • the position distribution of the bits in the first bitmap information has a corresponding relationship with the position distribution of the time-frequency domain resources used for transmitting the sounding reference signal.
  • the time-frequency domain resource used for transmitting the sounding reference signal can be understood as the OFDM symbol used for transmitting the sounding reference signal in the time domain, and the subband used for transmitting the sounding reference signal in the frequency domain.
  • the first bit in the first bitmap information is used to indicate whether the terminal transmits the sounding reference signal at the time-frequency domain position corresponding to the position of the first bit, and the first bit is the first bitmap information a bit in .
  • the terminal transmits the sounding reference signal at the time-frequency domain position corresponding to the position of the first bit; if the value of the first bit is 0, the terminal is in the first bit.
  • the sounding reference signal is not transmitted at the time-frequency domain position corresponding to the position of the bit; or, if the value of the first bit is 1, the terminal does not transmit the sounding reference signal at the time-frequency domain position corresponding to the position of the first bit; If the value of the first bit is 0, the terminal transmits the sounding reference signal at the time-frequency domain position corresponding to the position of the first bit.
  • FIG. 5 provides a schematic structural diagram of determining, according to the first bitmap information, a time domain location distribution for transmitting a sounding reference signal in a sounding reference signal resource.
  • the black box represents the time domain location where the terminal can transmit SRS
  • the slashed box and the white box represent the time domain location where the terminal cannot transmit SRS
  • the two boxes in the frequency domain represent a sub Band
  • 1 box represents one OFDM symbol in the time domain.
  • the first bit map information is “1”
  • the time domain position corresponding to the position of the bit “1” in the first bit map information is “the time domain of one SRS frequency hopping. Location”.
  • the first bit map information is "01”
  • the time domain position corresponding to the position of the first bit “1” in the first bit map information is "1st SRS hop”
  • the time domain position corresponding to the position of the second bit "0” is "the time domain position of the second SRS frequency hopping”.
  • the first bit map information is "1001”
  • the time domain position corresponding to the position of the first bit “1” in the first bit map information is "1st SRS hop” time domain position of the frequency”
  • the time domain position corresponding to the position of the second bit “0” is “the time domain position of the second SRS frequency hopping”
  • the time domain position corresponding to the position of the third bit “0” The position is “the time domain position of the third SRS frequency hopping”
  • the time domain position corresponding to the position of the fourth bit "1” is “the time domain position of the fourth SRS frequency hopping”.
  • the terminal can determine the time domain location distribution used for transmitting the sounding reference signal in the sounding reference signal resource according to the first bit map information. Therefore, it can simply and intuitively determine which time domain locations to send SRS and which ones to transmit SRS according to the time domain location distribution. The time domain location does not transmit SRS, thereby improving flexibility and scalability for SRS configuration.
  • this embodiment will specifically introduce that the resource location distribution mode information based on the subband level is X-bit information.
  • Y time-frequency resources for transmitting the sounding reference signal are configured in one time slot of the sounding reference signal resource and Y is greater than or equal to 1, if Y is 1, the X bits of information are reserved. and/or, if Y is less than or equal to X, whether the terminal transmits the sounding reference signal on the Y time-frequency domain resources is indicated by the bits in the X-bit information; and/or, if Y is greater than X, divide the Whether the terminal transmits the sounding reference signal on the X time-frequency domain resources in the Y time-frequency domain resources is indicated by the bits in the X-bit information, whether the terminal transmits the sounding reference signal on the remaining time-frequency domain resources in the Y time-frequency domain resources.
  • the sounding reference signal transmitted on the resource is indicated by reusing the bits in the X-bit information.
  • the terminal transmits the sounding reference signal at the time domain position corresponding to the bit; if the value of the bit in the X-bit information is 0, the terminal is in this The sounding reference signal is not transmitted at the time domain position corresponding to the bit; or, if the value of the bit in the X bit information is 1, the terminal does not transmit the sounding reference signal at the time domain position corresponding to the bit; If the value of the bit in the information is 0, the terminal transmits the sounding reference signal at the time domain position corresponding to the bit.
  • the information on the resource location distribution mode based on the subband level is 2-bit information.
  • the 2-bit information is used as a reserved bit.
  • the bits in the 2-bit information are used to indicate whether the terminal transmits the SRS at the time domain position of the SRS in the 2 times of SRS frequency hopping.
  • the bits in the 2-bit information are not only used to indicate whether the terminal transmits the SRS at the time domain position of the first 2 SRS hopping in the 4 SRS hopping, but also can be reused
  • the bit in the 2-bit information indicates whether the terminal transmits the SRS at the time domain position of the last 2 SRS hopping in the 4 SRS hopping. For example, in the case where the time domain position configuration for the four SRS frequency hopping in (f) of FIG. 4 is “1010”, the third and fourth bits in “1010” are the first bits The reuse of the bit and the second bit is configurable.
  • the terminal can determine the time domain location distribution used for transmitting the sounding reference signal in the sounding reference signal resource according to the X-bit information. Therefore, it can simply and intuitively determine which time domain locations to send SRS and which time domain locations according to the time domain location distribution. SRS is not sent, thereby improving flexibility and scalability for SRS configuration. In addition, while ensuring flexibility, the complexity of the scheduling process on the network device side can be better controlled.
  • the sub-band level-based resource location distribution mode information also includes time-domain resource compression mode information in detail.
  • the resource location distribution method information based on the subband level further includes: time domain resource compression method information, and the time domain resource compression method information can be used to compress the time domain location distribution of sounding reference signal transmission.
  • compressing the time-domain position distribution of the sounding reference signal frequency hopping may include the following operations: reducing the OFDM symbol interval between the time-domain positions of two consecutive sounding reference signal transmissions in the time-frequency domain resources of the sounding reference signal transmission or, compressing the time domain position of the sounding reference signal frequency hopping forward by at least one OFDM symbol that is not used for the sounding reference signal frequency hopping.
  • FIG. 6 is a schematic structural diagram of time-domain location distribution of a compressed sounding reference signal frequency hopping provided by an embodiment of the present application.
  • the black box represents the time domain position where the terminal can be used to transmit SRS
  • the slashed box and the white box represent the time domain location where the terminal cannot be used to transmit SRS.
  • the terminal determines the first information on the location distribution of the time domain and/or frequency domain resources used for transmitting the sounding reference signal in the sounding reference signal resource according to the information on the resource location distribution based on the subband level, which may include The following operations are performed: the terminal determines the frequency domain location distribution for transmitting the sounding reference signal in the sounding reference signal resource according to the resource location distribution manner information based on the subband level.
  • this embodiment may consider the frequency domain location of the SRS frequency hopping when the frequency hopping function is enabled, or consider not enabling the frequency hopping function.
  • the frequency domain location of the SRS transmission when analyzing the frequency domain position of SRS frequency hopping or transmission in this embodiment, it is necessary to know how many subbands are configured in the sounding reference signal resource for SRS frequency hopping or transmission.
  • the n SRS in this embodiment when considering enabling the frequency hopping function, also has various forms.
  • FIG. 7 illustrates four types of SRS frequency hopping or frequency domain resources for transmission.
  • the black box represents the frequency domain position where the terminal can transmit SRS
  • two boxes represent one subband in the frequency domain
  • one box represents one OFDM symbol in the time domain.
  • (a) of FIG. 7 illustrates one subband configured in the frequency domain of the sounding reference signal resource for SRS frequency hopping or transmission, so the terminal can transmit the SRS on the one subband.
  • (b) of FIG. 7 illustrates two subbands configured in the frequency domain of the sounding reference signal resources for SRS frequency hopping or transmission, so the terminal can transmit SRS on the two subbands.
  • FIG. 7 illustrates two subbands configured in the frequency domain of the sounding reference signal resources for SRS frequency hopping or transmission, so the terminal can transmit SRS on the two subbands.
  • (d) of FIG. 7 illustrates four subbands configured in the frequency domain of the sounding reference signal resources for SRS frequency hopping or transmission, so the terminal can transmit SRS on the four subbands.
  • the resource location distribution mode information based on the subband level may include: first bit bitmap information or X-bit information, where X is an integer greater than or equal to 2. It can be understood that, the terminal may determine, according to the first bit bitmap information or the X-bit information, the frequency domain location distribution used for transmitting the sounding reference signal in the sounding reference signal resource.
  • the present embodiment further specifically introduces that the information on the resource location distribution mode based on the subband level is the first bitmap information.
  • the length of the first bitmap information may be determined by the number of subbands configured in the sounding reference signal resource.
  • the length of the first bitmap information may be determined by the number of subbands configured in the sounding reference signal resource for frequency hopping or transmission of the sounding reference signal.
  • the length of the first bit bitmap information may be N subband bits.
  • N subband represents the number of subbands configured in the sounding reference signal resource for frequency hopping or transmission of the sounding reference signal.
  • the position distribution of the bits in the first bitmap information has a corresponding relationship with the position distribution of the time-frequency domain resources used for transmitting the sounding reference signal.
  • the time-frequency domain resource used for transmitting the sounding reference signal can be understood as the OFDM symbol used for transmitting the sounding reference signal in the time domain, and the subband used for transmitting the sounding reference signal in the frequency domain.
  • the first bit bitmap information from low to high has a corresponding relationship with the frequency domain of the sounding reference signal resources from low to high.
  • the first bit in the first bitmap information is used to indicate whether the terminal transmits the sounding reference signal at the time-frequency domain position corresponding to the position of the first bit, and the first bit is the first bitmap information a bit in .
  • the terminal transmits the sounding reference signal at the time-frequency domain position corresponding to the position of the first bit; if the value of the first bit is 0, the terminal is in the first bit.
  • the sounding reference signal is not transmitted at the time-frequency domain position corresponding to the position of the bit; or, if the value of the first bit is 1, the terminal does not transmit the sounding reference signal at the time-frequency domain position corresponding to the position of the first bit; If the value of the first bit is 0, the terminal transmits the sounding reference signal at the time-frequency domain position corresponding to the position of the first bit.
  • FIG. 8 provides a schematic structural diagram of determining, according to the second bitmap information, the frequency domain location distribution used for transmitting the sounding reference signal in the sounding reference signal resource.
  • the black box represents the frequency domain position that the terminal can use to transmit SRS
  • the slashed box and the white box represent the frequency domain position that the terminal cannot use to transmit SRS
  • the two boxes in the frequency domain represent a sub band
  • the time domain 1 box represents an OFDM symbol.
  • the first bit map information is "1", and the frequency domain position corresponding to the position of the bit “1” in the first bit map information is "in the frequency domain of the sounding reference signal resource” 1 subband configured on the domain for SRS transmission".
  • the first bitmap information is "10”, and the frequency domain position corresponding to the position of the first bit "1” in the first bitmap information is "in the sounding reference signal resource”
  • the frequency domain position corresponding to the position of the second bit "0” is "the second subband configured in the frequency domain of the sounding reference signal resource. Subbands for the transmission of SRS”. Meanwhile, (b) and (d) of FIG. 8 can be understood in the same way.
  • the terminal can determine the frequency domain location distribution used for transmitting the sounding reference signal in the sounding reference signal resource according to the first bit map information, so it can simply and intuitively determine which frequency domain locations send SRS and which ones according to the frequency domain location distribution.
  • the SRS is not sent in the frequency domain location, thereby ensuring that the configuration of the SRS has better flexibility and scalability.
  • Embodiment 2 can extend the SRS transmission in Embodiment 1 only when frequency hopping is supported to the case where both frequency hopping and no frequency hopping are supported.
  • Y time-frequency resources for transmitting the sounding reference signal are configured in one time slot of the sounding reference signal resource and Y is greater than or equal to 1, if Y is 1, the X bits of information are reserved. and/or, if Y is less than or equal to X, whether the terminal transmits the sounding reference signal on the Y time-frequency domain resources is indicated by the bits in the X-bit information; and/or, if Y is greater than X, divide the Whether the terminal transmits the sounding reference signal on the X time-frequency domain resources in the Y time-frequency domain resources is indicated by the bits in the X-bit information, whether the terminal transmits the sounding reference signal on the remaining time-frequency domain resources in the Y time-frequency domain resources.
  • the sounding reference signal transmitted on the resource is indicated by reusing the bits in the X-bit information.
  • the terminal transmits the sounding reference signal at the time domain position corresponding to the bit; if the value of the bit in the X-bit information is 0, the terminal is in this The sounding reference signal is not transmitted at the time domain position corresponding to the bit; or, if the value of the bit in the X bit information is 1, the terminal does not transmit the sounding reference signal at the time domain position corresponding to the bit; If the value of the bit in the information is 0, the terminal transmits the sounding reference signal at the time domain position corresponding to the bit.
  • the black box represents the frequency domain position that the terminal can use to transmit SRS
  • the slashed box and the white box represent the frequency domain position that the terminal cannot use to transmit SRS
  • the two boxes in the frequency domain represent a sub band
  • the time domain 1 box represents an OFDM symbol.
  • the resource location distribution mode information based on the subband level is 2-bit information.
  • the 2-bit information is used as a reserved bit.
  • the bit division in the 2-bit information is used to indicate whether the terminal is in 4
  • the terminal may also indicate whether the terminal transmits the SRS on other subbands in the four subbands by reusing the bits in the 2-bit information.
  • the same can be seen in (b) and (c) of FIG. 9 .
  • the terminal can determine the frequency domain location distribution used for transmitting the sounding reference signal in the sounding reference signal resource according to the X-bit information, so it can simply and intuitively determine which frequency domain locations send SRS and which frequency domain locations according to the frequency domain location distribution. SRS is not sent, thereby improving flexibility and scalability for SRS configuration. In addition, while ensuring flexibility, the complexity of the scheduling process on the network device side can be better controlled.
  • sub-band level-based resource location distribution mode information also including time-domain resource compression mode information.
  • the resource location distribution method information based on the subband level further includes: time domain resource compression method information, and the time domain resource compression method information can be used to compress the time domain location distribution of sounding reference signal frequency hopping.
  • time-domain resource compression method information in this embodiment is the same as that in the foregoing Embodiment 1, and details are not described herein again.
  • the terminal determines, according to the first information, the resource location distribution used for transmitting the sounding reference signal, which may include the following operations: the terminal determines, according to the information on the resource location distribution in the subband, the resource location distribution used for transmitting the sounding reference signal in the subband. The frequency domain location distribution of the reference signal.
  • Embodiment 3 mainly analyzes the frequency domain position distribution in the subband of the sounding reference signal resources, and transmits the sounding reference signal according to the frequency domain position distribution in the subband.
  • the frequency domain resources in the subband may be determined by the subband size of the subband.
  • FIG. 10 when the sub-band size of the sub-band is 4 PRBs, FIG. 10 illustrates 15 forms of frequency domain position distribution in the sub-band.
  • the black box represents the frequency domain location where the terminal in the subband can be used to transmit SRS
  • the white box represents the frequency domain location where the terminal in the subband cannot be used to transmit the SRS.
  • the information based on the resource location distribution in the subband may include at least one of the following: second bitmap information, M-bit information, and S pieces of first indication field information, where M is an integer greater than or equal to 1, and the S is an integer greater than or equal to 1.
  • the terminal may determine the frequency domain position distribution for transmitting the sounding reference signal in the subband according to the second bit map information, the M bits of information or the S pieces of first indication domain information.
  • this embodiment will specifically introduce the second bitmap information based on the resource location distribution mode information in the subband.
  • the length of the second bitmap information satisfies at least one of the following manners: the length of the second bitmap information is L bits, and the length of the second bitmap information is the number of PRBs included in the subband size of the subband Decide. It should be noted that the length of the configured second bitmap information may be smaller than or equal to the number of PRBs included in the subband size, or may be greater than the number of PRBs included in the subband size. For example, the length of the second bitmap information is 4 bits, and the number of PRBs included in the subband size is 8.
  • K is an integer greater than or equal to 1.
  • K is a value in a set of ⁇ 4, 8, 12, 16 ⁇ bits.
  • the length of the bitmap information of the second bit may be a value from a set of ⁇ 4, 8, 12, 16 ⁇ bits.
  • the length of the second bitmap information can be in, Indicates the number of PRBs included in the subband size of the subband in the sounding reference signal resource.
  • the positions of the bits in the second bitmap information have a corresponding relationship with the frequency domain position distribution used for transmitting the sounding reference signal in the subband.
  • the frequency domain position used for transmitting the sounding reference signal can be understood as the position of the PRB used for transmitting the sounding reference signal in the subband.
  • the second bit bitmap information from low to high has a corresponding relationship with the frequency domain of the subbands in the sounding reference signal resource from low to high.
  • the second bit in the second bit map information is used to indicate whether the terminal transmits the sounding reference signal at the frequency domain position in the subband corresponding to the position of the second bit,
  • the second bit is a bit in the second bitmap information.
  • the terminal transmits the sounding reference signal at the frequency domain position in the subband corresponding to the position of the second bit; if the value of the second bit is 0, the terminal is in the frequency domain position.
  • the sounding reference signal is not transmitted in the frequency domain position in the subband corresponding to the second bit; or, if the value of the second bit is 1, the terminal is in the frequency domain position in the subband corresponding to the second bit position If the value of the second bit is 0, the terminal transmits the sounding reference signal at the frequency domain position in the subband corresponding to the second bit.
  • FIG. 11 provides a schematic structural diagram of determining, according to the second bitmap information, the frequency domain location distribution used for transmitting the sounding reference signal in the subband.
  • the black box represents the frequency domain position where the terminal can transmit SRS
  • the slashed box and the white box represent the frequency domain location where the terminal cannot transmit SRS.
  • the second bitmap information is "1010"
  • the frequency domain position corresponding to the position of the first bit “1” in the second bitmap information is "the first in the subband” "PRB for transmitting SRS”
  • the frequency domain position corresponding to the position of the second bit “0” is “the second PRB for transmitting SRS in the subband”
  • the corresponding frequency domain position is “the third PRB in the subband for transmitting SRS”
  • the corresponding frequency domain position of the fourth bit "0” is “the fourth PRB in the subband for transmitting SRS”.
  • the terminal can determine the frequency domain position distribution for transmitting the sounding reference signal in the subband according to the second bit map information, so it can simply and intuitively determine which frequency domain positions to send SRS according to the frequency domain position distribution in the subband, And which frequency domain locations do not send SRS, so as to ensure that the configuration of the SRS has better flexibility and scalability.
  • the following embodiments of the present application will specifically introduce information based on the resource location distribution manner in the subband as M-bit information.
  • all bits in the M-bit information indicate the frequency domain position distribution of the sounding reference signal transmission in the subband according to the coding combination.
  • the M-bit information can be is 3bits information, all bits in the 3bits information indicate the 6 forms according to the coding combination, for example, "000” indicates (f) in Figure 10, "001” indicates (g) in Figure 10, "010” ” indicates (1) and the like in FIG. 10 , which is not particularly limited.
  • the M-bit information can be 4bits information, and all bits in the 4bits information indicate the 10 types according to the coding combination. A form such as "0000" indicates (f) in FIG.
  • the M-bit information can be 2bits information, and all bits in the 2bits information indicate the four types according to the coding combination.
  • N bits in the M-bit information are used to indicate the number P of frequency domain resources used for transmitting sounding reference signals in the subband, N is an integer greater than or equal to 1, and P is less than or equal to the subband.
  • the number of PRBs included in the subband size of the band; the remaining bits except the N bits in the M-bit information indicate the position distribution of the P frequency domain resources in the subband according to the coding combination mode.
  • the value of N may be determined by the number of patterns existing in the number of frequency domain resources used for transmitting sounding reference signals in the subband. It should be noted that, when it is known that there are only two modes (eg, P ⁇ 1,2 ⁇ ) of the number of frequency domain resources used for transmitting SRS in the subband configured by the network device, the value of N can be 1. At this time, one bit can be used to indicate the two modes in the M-bit information. For example, the 1 bit is "0" to indicate that P is 1, and the 1 bit is "1" to indicate that P is 2.
  • the value of N can be 2.
  • the four modes can be indicated by 2 bits in the M-bit information. For example, the 2 bits are "00" to indicate that P is 1, the 1 bit is "01" to indicate that P is 2, etc., which are not specifically limited.
  • the value of N may be determined by the number of PRBs included in the subband size of the subband. It should be noted that, when the number of PRBs included in the subband size of the subband is 4, the value of N may be 3.
  • 3 bits may be used to indicate the number P of frequency domain resources used for transmitting the SRS in the subband according to the coding combination. For example, the 3 bits are "000" to indicate that P is 0, the 3 bits are "001" to indicate that P is 1, the 3 bits are "100" to indicate that P is 4, etc. No specific restrictions are imposed. When the number of PRBs included in the subband size of the subband is 8, the value of N may be 4.
  • 4 bits may be used to indicate the number P of frequency domain resources used for transmitting the SRS in the subband according to the coding combination.
  • the 4 bits are "0000" to indicate that P is 0, the 3 bits are "1000" to indicate that P is 8, etc., which are not specifically limited.
  • Example 1 When there are only 6 forms shown in (f), (g), (l), (m), (n), (o) in Figure 10 in the subband, and the M-bit information is 3bits information
  • N When it is known that there are only two modes (ie, P ⁇ 1,2 ⁇ ) of the number of frequency domain resources used for transmitting sounding reference signals in the subband configured by the network device, N takes the value of 1.
  • the first bit in the 3 bits information is used to indicate that the number P of frequency domain resources used for transmitting the SRS in the subband is 1 or 2. Wherein, the first bit being "0" indicates that P is 2, and the first bit being "1" indicates that P is 1.
  • "00x" for the 3bits information indicates (f) in Figure 10, and "x” indicates reserved bits; "01x” for the 3bits information indicates (g) in Figure 10; "100” for the 3bits information indicates (l) in Figure 10; the 3bits information is "101" indicating (m) in Figure 10; the 3bits information is "110” indicating (n) in Figure 10; the 3bits information is "111” indicating Figure 10 (o) in .
  • Example 2 When there are only 8 forms shown in (f), (g), (h), (i), (l), (m), (n), (o) in Figure 10 in the subband , and when the M-bit information is 3-bits information, since there are only two modes (ie, P ⁇ 1,2 ⁇ ) for the number of frequency domain resources used for transmitting sounding reference signals in the subband configured by the known network device, so The value of N is 1. At this time, the first bit in the 3 bits information is used to indicate that the number P of frequency domain resources used for transmitting the SRS in the subband is 1 or 2. Wherein, the first bit being "0" indicates that P is 2, and the first bit being "1" indicates that P is 1.
  • the 3bits information as "000” indicates (f) in Figure 10; the 3bits information as "001” indicates (g) in Figure 10; the 3bits information as "010” indicates (h) in Figure 10; The 3bits information is "011” indicating (i) in Figure 10; the 3bits information is "100” indicating (1) in Figure 10; the 3bits information is "101” indicating (m) in Figure 10; the 3bits The information "110” indicates (n) in FIG. 10 ; the 3-bit information is "111” indicates (o) in FIG. 10 .
  • the terminal can determine the frequency domain location distribution used for transmitting SRS in the sounding reference signal resource according to the K-bit information, so it can simply and intuitively determine which frequency domain locations send SRS and which frequency domain locations do not send SRS according to the frequency domain location distribution. SRS, thereby improving flexibility and scalability for SRS configuration. In addition, while ensuring flexibility, the complexity of the scheduling process on the network device side can be better controlled.
  • the following embodiments of the present application will specifically introduce the information based on the resource location distribution manner in the subband as S pieces of first indication domain information.
  • the value of S may be determined by the number of patterns existing in the number of frequency domain resources used for transmitting sounding reference signals in the subband.
  • the first indication field is used to indicate the quantity Q of frequency domain resources used for transmitting sounding reference signals in the subband, where Q is the number of PRBs less than or equal to the subband size included in the subband.
  • the value of S can be 2.
  • the network device may use the two pieces of first indication field information to indicate the two modes respectively.
  • the first first indication field information is used to indicate that Q is 1
  • the second first indication field information is used to indicate that Q is 2.
  • the value of S can be 4.
  • the network device may use the four pieces of first indication field information to indicate the four modes respectively.
  • the first first indication field information is used to indicate that Q is 1
  • the second first indication field information is used to indicate that Q is 2
  • the third first indication field information is used to indicate that Q is 3, and the fourth The first indication field information is used to indicate that Q is 4.
  • the first indication domain information includes R-bit information, all bits in the R-bit information indicate the position distribution of the Q frequency domain resources in the subband according to the coding combination, and R is an integer greater than or equal to 1.
  • Example 1 When there are only six forms shown in (f), (g), (l), (m), (n), and (o) in Figure 10 in the subband, due to the known network device configuration There are only two modes (ie, Q ⁇ 1,2 ⁇ ) of the number of frequency domain resources used to transmit SRS in the subband of , so the value of S is 2. At this time, the network device may use the two pieces of first indication field information to indicate the two modes respectively.
  • the first first indication field information is used to indicate that Q is 2
  • the second first indication field information is used to indicate that Q is 1.
  • the first first indication field information includes 1bit information
  • the second first indication field information includes 2bits information.
  • the 1bit information is "1", it indicates (f) in Figure 10; if the 1bit information is "0”, it indicates (g) in Figure 10; if the 2bits information is "00”, it indicates (1) in Figure 10; When the 2bits information is “01”, it indicates (m) in FIG. 10; when the 2bits information is “10”, it indicates (n) in FIG. 10; and when the 2bits information is “11”, it indicates (o) in FIG.
  • Example 2 When there are only 8 forms shown in (f), (g), (h), (i), (l), (m), (n), (o) in Figure 10 in the subband
  • the value of S is 2.
  • the network device may use the two pieces of first indication field information to indicate the two modes respectively.
  • the first first indication field information is used to indicate that Q is 2
  • the second first indication field information is used to indicate that Q is 1.
  • the first first indication field information includes 2 bits of information
  • the second first indication field information includes 2 bits of information.
  • the 2bits information in the first first indication field information is "00" to indicate (f) in Figure 10; the 2bits information in the first first indication field information is "01” to indicate (g) in Figure 10 ); the 2bits information in the first first indication domain information is "10" indicating (h) in Figure 10; the 2bits information in the first first indication domain information is "11” indicating (i) in Figure 10 ); the 2bits information in the 2nd first indication domain information is "00” to indicate (1) in Figure 10; the 2bits information in the 2nd first indication domain information is "01” to indicate (m in Figure 10 ) ); the 2bits information in the second first indication domain information is "10” indicating (n) in Figure 10; the 2bits information in the second first indication domain information is "11” indicating (o in Figure 10 ) ).
  • the terminal can determine the frequency domain position distribution for transmitting SRS in the sounding reference signal resource according to the S pieces of first indication domain information. Therefore, it can simply and intuitively determine which frequency domain positions send SRS and which frequency domain positions according to the frequency domain position distribution. Domain locations do not transmit SRS, thereby improving flexibility and scalability for SRS configuration. In addition, while ensuring flexibility, it is beneficial to ensure good readability.
  • the terminal determines the frequency domain location distribution for transmitting the sounding reference signal in the subband according to the information based on the resource location distribution in the subband, including: the terminal uses the information based on the resource location distribution in the subband.
  • the frequency domain location distribution for transmitting the sounding reference signal in the subband is determined in the manner of reuse or the same transmission mode.
  • Embodiment 3 how to determine the frequency domain location distribution for transmitting SRS in the subband based on the information on the resource location distribution in the subband is carried out in the case that the subband size of the subband is 4 PPRs. Specific instructions. Therefore, for the case where the subband size of the subband is 8, 12, 16 or more PRBs, the 4 PRBs used for SRS transmission in the 4 PRBs determined based on the resource location distribution information in the subband in Embodiment 3 can be used.
  • the frequency domain location distribution is used as the basis to determine the location distribution when the subband size is 8, 12, 16 or more PRBs by adopting reuse or the same transmission mode based on the resource location distribution information in the subband.
  • Example 1 (a) in FIG. 12 is an example of the frequency domain location distribution for SRS transmission in the 4 PRBs determined based on the information on the resource location distribution in the subband in Embodiment 3.
  • the resource location distribution method information of determines the frequency domain location distribution used for SRS transmission in the 8 PRBs in a repetitive manner, as shown in (b) of FIG. 12 .
  • Example 2 (a) in FIG. 13 is an example of the frequency domain location distribution for SRS transmission in the 4 PRBs determined based on the resource location distribution information in the subband in Embodiment 3.
  • the resource location distribution method information of determines the frequency domain location distribution used for SRS transmission in 8 PRBs in the manner of the same transmission mode, as shown in (b) of FIG. 13 .
  • the terminal determines the resource location distribution for transmitting the sounding reference signal according to the first information, which may include the following operations: the terminal determines the resource location distribution based on the subband level and the resource location distribution based on the subband The mode information determines the time-frequency domain location distribution for transmitting the sounding reference signal within the sounding reference signal resource.
  • Embodiment 4 mainly analyzes the time when the SRS resource is used to transmit the SRS when the first information is the resource location distribution method information based on the subband level and the resource location distribution method information based on the subband. Frequency domain location distribution. Therefore, the specific technical solutions in Embodiment 4 are consistent with the technical solutions in the foregoing Embodiments 1, 2 and 3, and details are not repeated here.
  • the network device sends the first information to the terminal; then, the terminal obtains the first information, and determines the resource location distribution for transmitting the sounding reference signal according to the first information. Since the first information is sent by the network device to the terminal, it is beneficial to realize the configuration of the resource location distribution for transmitting the SRS by the network device. In addition, the terminal determines the resource location distribution for transmitting the SRS according to the first information, and then transmits the SRS through the resource location distribution. Because the SRS only needs to be transmitted on all or part of the frequency band resources through the resource location distribution, all or part of the SRS can be transmitted, and the utilization efficiency of the frequency band resources is improved. At the same time, the transmission part of the SRS can obtain additional power gain to improve the power density, and the frequency band resources that are not used for the transmission of the SRS can be allocated to other terminals to improve the multiplexing capability of the SRS.
  • the terminal and the network device include corresponding hardware structures and/or software modules for executing each function.
  • the present application can be implemented in hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
  • the terminal and the network device may be divided into functional units according to the foregoing method examples.
  • each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit.
  • the above-mentioned integrated units can be implemented in the form of hardware, and can also be implemented in the form of software program modules. It should be noted that the division of units in this embodiment is schematic, and is only a logical function division, and other division methods may be used in actual implementation.
  • FIG. 14 shows a block diagram of functional units of a sounding reference signal configuration apparatus.
  • the sounding reference signal configuration apparatus 1400 is applied to a terminal, and specifically includes: a processing unit 1402 and a communication unit 1403 .
  • the processing unit 1402 is used to control and manage the actions of the terminal.
  • the processing unit 1402 is configured to support the terminal to perform the steps in FIG. 2 and/or other processes for the technical solutions described in this embodiment.
  • the communication unit 1403 is used to support the communication between the terminal and the network device.
  • the sounding reference signal configuration apparatus 1400 may further include a storage unit 1401 for storing program codes and data of the terminal.
  • the processing unit 1402 may be a processor or a controller, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (application-specific integrated circuit) integrated circuit, ASIC), field programmable gate array (FPGA), or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It may implement or execute the various exemplary logical blocks, modules and circuits described in connection with this disclosure.
  • the processing unit 1402 may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 1403 may be a communication interface, a transceiver, a transceiver circuit, etc., and the storage unit 1401 may be a memory.
  • the processing unit 1402 is a processor
  • the communication unit 1403 is a communication interface
  • the storage unit 1401 is a memory
  • the sounding reference signal configuration apparatus 1400 involved in this embodiment may be the terminal shown in FIG. 16 .
  • the processing unit 1402 is configured to perform any step performed by the terminal in the above method embodiments, and when performing data transmission such as sending, the communication unit 1403 can be selectively invoked to complete corresponding operations. A detailed description will be given below.
  • the processing unit 1402 is configured to: obtain first information from the network device, where the first information is used to indicate the resource configuration of the sounding reference signal SRS; and determine the resource location distribution for transmitting the SRS according to the first information.
  • the apparatus for configuring the sounding reference signal applied to the terminal can acquire the first information, and determine the resource location distribution for transmitting the sounding reference signal according to the first information. Since the first information is sent by the network device to the sounding reference signal configuration apparatus, it is beneficial for the network device to configure the resource location distribution for SRS transmission. In addition, the sounding reference signal configuration apparatus determines the resource location distribution for transmitting the SRS according to the first information, and then transmits the SRS through the resource location distribution. Because the SRS only needs to be transmitted on all or part of the frequency band resources through the resource location distribution, all or part of the SRS can be transmitted, and the utilization efficiency of the frequency band resources is improved. At the same time, the transmission part of the SRS can obtain additional power gain to improve the power density, and the frequency band resources that are not used for the transmission of the SRS can be allocated to other terminals to improve the multiplexing capability of the SRS.
  • the first information includes at least one of the following: resource location distribution mode information based on a subband level, and resource location distribution mode information based on a subband.
  • the sub-band size of the sub-band satisfies at least one of the following manners: the sub-band size of the sub-band is K physical resource blocks PRB, and the sub-band size of the sub-band is determined by the first parameter , the sub-band size of the sub-band has a mapping relationship with the SRS transmission bandwidth, and the sub-band size of the sub-band is the minimum unit of the sounding reference signal frequency hopping; wherein, the first parameter is used to indicate the sounding reference signal hopping frequency information, the K is an integer greater than or equal to 1.
  • the subband size of the subband is configured by RRC signaling.
  • the processing unit 1402 is specifically configured to: determine according to the subband level-based resource location distribution information Location distribution of time domain and/or frequency domain resources used to transmit the SRS within the sounding reference signal resources.
  • the sub-band level-based resource location distribution manner information includes: first bit bitmap information or X-bit information, where X is an integer greater than or equal to 2.
  • the length of the first bitmap information satisfies at least one of the following ways: the length of the first bitmap information is determined by the second parameter, and the length of the first bitmap information is determined by The number of subbands of the subbands configured in the sounding reference signal resource is determined; wherein, the second parameter is used to indicate resource mapping information.
  • the domain in the second parameter includes at least one of the following: the number of consecutive OFDM symbols, and the repetition factor.
  • the set of the number of consecutive OFDM symbols is determined by the first set of the number of symbols and the second set of the number of symbols; the set of repetition factors is determined by the first set of repetition factors and the second set of repetition factors Determine; wherein, the set of the number of consecutive OFDM symbols is used to represent the set composed of the number of consecutive OFDM symbols, and the set of repetition factors is used to represent the set composed of the repetition factor.
  • the position distribution of bits in the first bitmap information has a corresponding relationship with the position distribution of time-frequency domain resources used for transmitting the SRS.
  • the first bit in the first bitmap information is used to indicate whether to transmit the SRS at a time-frequency domain position corresponding to the position of the first bit, and the first bit A bit is one bit in the first bitmap information.
  • Y time-frequency domain resources for transmitting the SRS are configured in the sounding reference signal resource and the Y is greater than or equal to 1, if the Y is 1, then The X bits are reserved bits; and/or, if the Y is less than or equal to the X, whether to transmit the SRS on the Y time-frequency domain resources is determined by the bits in the X bits of information.
  • determining whether to transmit the SRS on the X time-frequency resources in the Y time-frequency resources is determined by the bits in the X-bit information
  • whether to transmit the SRS on the remaining time-frequency domain resources in the Y time-frequency domain resources is indicated by reusing the bits in the X-bit information.
  • the sub-band level-based resource location distribution manner information further includes: time domain resource compression manner information, where the time domain resource compression manner information is used to perform the time domain location distribution of the SRS transmission. compression.
  • the compressing the time-domain position distribution of the SRS transmission includes: reducing the OFDM symbol interval between the time-domain positions of two consecutive SRS transmissions in the time-frequency domain resources of the SRS transmission .
  • the processing unit 1402 is specifically configured to: determine according to the information on the resource location distribution method based on the subband A frequency domain location distribution for transmitting the SRS within the subband.
  • the information based on the resource location distribution within the subband includes at least one of the following: second bit bitmap information, M-bit information, and S pieces of first indication field information, where M is greater than or is an integer equal to 1, and the S is an integer greater than or equal to 1.
  • the length of the second bitmap information satisfies at least one of the following manners: the length of the second bitmap information is L bits, and the length of the second bitmap information is determined by The number of PRBs included in the subband size of the subband is determined; wherein, the L is an integer greater than or equal to 1.
  • the positions of the bits in the second bitmap information have a corresponding relationship with the frequency domain position distribution used for transmitting the SRS in the subband.
  • the second bit in the second bitmap information is used to indicate whether to transmit the SRS at the frequency domain position in the subband corresponding to the position of the second bit , the second bit is a bit in the second bitmap information.
  • all bits in the M-bit information indicate the frequency domain location distribution for transmitting the SRS in the subband according to a coding combination.
  • N bits in the M-bit information are used to indicate the number P of frequency domain resources used to transmit the SRS in the subband, and N is an integer greater than or equal to 1,
  • the P is less than or equal to the number of PRBs included in the subband size of the subband; the remaining bits except the N bits in the M-bit information indicate the P frequency bits according to the coding combination. Location distribution of domain resources within the subband.
  • the value of S is determined by the number of patterns that exist in the number of frequency domain resources used for transmitting the SRS in the subband.
  • the first indication domain information is used to indicate the quantity Q of frequency domain resources used for transmitting the SRS in the subband, where Q is a subband smaller than or equal to the subband The number of PRBs included in the size.
  • the first indication domain information includes R-bit information, and all bits in the R-bit information indicate the positions of the Q frequency domain resources in the subband according to a coding combination. distribution, where R is an integer greater than or equal to 1.
  • the processing unit 1402 is specifically configured to: The frequency domain location distribution for transmitting the SRS in the subband is determined in a manner of reuse or the same transmission mode based on the resource location distribution information in the subband.
  • the first information is transmitted by at least one of RRC signaling, a control element MAC CE of the medium access control layer, and downlink control information DCI.
  • FIG. 15 provides a block diagram of functional units of yet another sounding reference signal configuration apparatus.
  • the sounding reference signal apparatus 1500 is applied to network equipment, and specifically includes: a processing unit 1502 and a communication unit 1503 .
  • the processing unit 1502 is used to control and manage the actions of the network device.
  • the processing unit 1502 is configured to support the network device to perform the steps in FIG. 2 and/or other processes for the technical solutions described in this embodiment.
  • the communication unit 1503 is used to support the communication between the network device and the terminal.
  • the sounding reference signal apparatus 1500 may further include a storage unit 1501 for storing program codes and data of the network device.
  • the processing unit 1502 may be a processor or a controller, such as a CPU, a general-purpose processor, a DSP, an ASIC, an FPGA, or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It may implement or execute the various exemplary logical blocks, modules and circuits described in connection with this embodiment.
  • the processing unit 1502 may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 1503 may be a communication interface, a transceiver, a transceiver circuit, etc., and the storage unit 1501 may be a memory. When the processing unit 1502 is a processor, the communication unit 1503 is a communication interface, and the storage unit 1501 is a memory, the sounding reference signal configuration apparatus 1500 involved in this embodiment of the present application may be the network device shown in FIG. 17 .
  • the processing unit 1502 is configured to perform any step performed by the network device in the above method embodiments, and when performing data transmission such as sending, the communication unit 1503 can be selectively invoked to complete corresponding operations. A detailed description will be given below.
  • the processing unit 1502 is configured to: send first information to the terminal, where the first information is used to indicate the resource configuration of the sounding reference signal SRS.
  • the sounding reference signal configuration apparatus applied to the network device can send the first information to the terminal, thereby facilitating the configuration of the resource location distribution for SRS transmission by the network device.
  • the terminal determines the resource location distribution for transmitting the SRS according to the first information, and then transmits the SRS through the resource location distribution. Because the SRS only needs to be transmitted on all or part of the frequency band resources through the resource location distribution, all or part of the SRS can be transmitted, and the utilization efficiency of the frequency band resources is improved.
  • the transmission part of the SRS can obtain additional power gain to improve the power density, and the frequency band resources that are not used for the transmission of the SRS can be allocated to other terminals to improve the multiplexing capability of the SRS.
  • the first information includes at least one of the following: resource location distribution mode information based on a subband level, and resource location distribution mode information based on a subband.
  • the subband size of the subband satisfies at least one of the following manners: the subband size of the subband is K physical resource blocks PRB, the subband size of the subband is determined by the first parameter It is determined that the subband size of the subband has a mapping relationship with the SRS transmission bandwidth, and the subband size of the subband is the minimum unit of the sounding reference signal frequency hopping; wherein, the first parameter is used to indicate the sounding reference signal. Frequency hopping information, the K is an integer greater than or equal to 1.
  • the subband size of the subband is configured by RRC signaling.
  • the subband level-based resource location distribution manner information includes: first bit bitmap information or X-bit information, where X is an integer greater than or equal to 2.
  • the length of the first bitmap information satisfies at least one of the following manners: the length of the first bitmap information is determined by a second parameter, the length of the first bitmap information It is determined by the number of subbands of the subbands configured in the sounding reference signal resource; wherein, the second parameter is used to indicate resource mapping information.
  • the field in the second parameter includes at least one of the following: the number of consecutive OFDM symbols, and the repetition factor.
  • the set of the number of consecutive OFDM symbols is determined by the first set of the number of symbols and the second set of the number of symbols; the set of repetition factors is determined by the first set of repetition factors and the second set of repetition factors Determine; wherein, the set of the number of consecutive OFDM symbols is used to represent the set composed of the number of consecutive OFDM symbols, and the set of repetition factors is used to represent the set composed of the repetition factor.
  • the position distribution of bits in the first bitmap information has a corresponding relationship with the time-frequency domain position distribution used for transmitting the SRS.
  • the first bit in the first bit bitmap information is used to indicate whether to transmit the SRS at a time-frequency domain position corresponding to the position of the first bit, and the first bit The bit is one bit in the first bitmap information.
  • Y time-frequency domain resources for transmitting the SRS are configured in the sounding reference signal resource and the Y is greater than or equal to 1, if the Y is 1, then The X bits are reserved bits; and/or, if the Y is less than or equal to the X, whether to transmit the SRS on the Y time-frequency domain resources is determined by the bits in the X bits of information.
  • determining whether to transmit the SRS on the X time-frequency resources in the Y time-frequency resources is determined by the bits in the X-bit information
  • whether to transmit the SRS on the remaining time-frequency domain resources in the Y time-frequency domain resources is indicated by reusing the bits in the X-bit information.
  • the sub-band level-based resource location distribution manner information further includes: time domain resource compression manner information, where the time domain resource compression manner information is used to perform the time domain location distribution of the SRS transmission. compression.
  • the aspect of compressing the time-domain position distribution of the SRS frequency hopping includes: reducing the OFDM symbol interval between the time-domain positions of two consecutive SRS transmissions in the time-frequency domain resources of the SRS transmission .
  • the information based on the resource location distribution in the subband includes at least one of the following: second bit map information, M bits of information, and S pieces of first indication field information, where M is greater than or is an integer equal to 1, and the S is an integer greater than or equal to 1.
  • the length of the second bitmap information satisfies at least one of the following manners: the length of the second bitmap information is L bits, and the length of the second bitmap information is determined by The number of PRBs included in the subband size of the subband is determined; wherein, the L is an integer greater than or equal to 1.
  • the position of the bit in the second bitmap information has a corresponding relationship with the frequency domain position distribution used for transmitting the SRS in the subband.
  • the second bit in the second bitmap information is used to indicate whether to transmit the SRS at the frequency domain position in the subband corresponding to the position of the second bit , the second bit is a bit in the second bitmap information.
  • all bits in the M-bit information indicate the frequency domain location distribution for transmitting the SRS in the subband according to a coding combination.
  • N bits in the M-bit information are used to indicate the number P of frequency domain resources used to transmit the SRS in the subband, and N is an integer greater than or equal to 1,
  • the P is less than or equal to the number of PRBs included in the subband size of the subband; the remaining bits except the N bits in the M-bit information indicate the P frequency bits according to the coding combination. Location distribution of domain resources within the subband.
  • the value of S is determined by the number of patterns that exist in the number of frequency domain resources used for transmitting the SRS in the subband.
  • the first indication domain information is used to indicate the quantity Q of frequency domain resources used for transmitting the SRS in the subband, where Q is a subband smaller than or equal to the subband The number of PRBs included in the size.
  • the first indication domain information includes R-bit information, and all bits in the R-bit information indicate the positions of the Q frequency domain resources in the subband according to a coding combination. distribution, where R is an integer greater than or equal to 1.
  • the first information is transmitted by at least one of RRC signaling, a control element MAC CE of the medium access control layer, and downlink control information DCI.
  • FIG. 16 is a schematic structural diagram of a terminal provided by an embodiment of the present application.
  • the terminal 1600 includes a processor 1610 , a memory 1620 , a communication interface 1630 and at least one communication bus for connecting the processor 1610 , the memory 1620 and the communication interface 1630 .
  • the memory 1620 includes, but is not limited to, random access memory (RAM), read-only memory (ROM), erasable programmable read only memory (EPROM), or portable Read-only memory (compact disc read-only memory, CD-ROM), and the memory 1620 is used to store related instructions and data.
  • RAM random access memory
  • ROM read-only memory
  • EPROM erasable programmable read only memory
  • CD-ROM compact disc read-only memory
  • Communication interface 1630 is used to receive and transmit data.
  • the processor 1610 may be one or more CPUs, and if the processor 1610 is one CPU, the CPU may be a single-core CPU or a multi-core CPU.
  • the processor 1610 in the terminal 1600 is configured to read one or more program codes 1621 stored in the memory 1620, and perform the following operations: obtain first information from the network device, where the first information is used to indicate the resource configuration of the sounding reference signal SRS; The resource location distribution for transmitting the SRS is determined according to the first information.
  • each operation may also correspond to the corresponding description with reference to the method embodiment shown in FIG. 2 , and the terminal 1600 may be used to execute the method on the terminal side in this embodiment, which will not be repeated here.
  • FIG. 17 is a schematic structural diagram of a network device provided by an embodiment of the present application.
  • the network device 1700 includes a processor 1710 , a memory 1720 , a communication interface 1730 and at least one communication bus for connecting the processor 1710 , the memory 1720 and the communication interface 1730 .
  • the memory 1720 includes, but is not limited to, random access memory, read-only memory, erasable programmable read-only memory, or portable read-only memory, and the memory 1720 is used to store related instructions and data.
  • Communication interface 1730 is used to receive and transmit data.
  • the processor 1710 may be one or more CPUs, and if the processor 1710 is one CPU, the CPU may be a single-core CPU or a multi-core CPU.
  • the processor 1710 in the network device 1700 is configured to read one or more program codes 1721 stored in the memory 1720, and perform the following operations: send first information to the terminal, where the first information is used to indicate the resource configuration of the sounding reference signal SRS.
  • each operation may also correspond to the corresponding description with reference to the method embodiment shown in FIG. 2 , and the network device 1700 may be used to execute the method on the network device side in this embodiment, which will not be repeated here.
  • An embodiment of the present application further provides a chip, wherein the chip includes a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the description of the terminal and network device in the above method embodiments some or all of the steps.
  • the chip includes a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the description of the terminal and network device in the above method embodiments some or all of the steps.
  • Embodiments of the present application further provide a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program is operable to cause the computer to execute the terminal and the method in the foregoing method embodiments. Some or all of the steps described by the network device.
  • Embodiments of the present application further provide a computer program product, wherein the computer program product includes a computer program, and the computer program is operable to cause the computer to execute some or all of the steps described in the terminal and network device in the foregoing method embodiments.
  • the computer program product may be a software installation package.
  • the functions described in the embodiments of the present application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it can be implemented in whole or in part in the form of a computer program product.
  • a computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • Computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website site, computer, server, or data center via wire (e.g., the same coaxial cable, optical fiber, digital subscriber line) or wireless (eg, infrared, wireless, microwave, etc.) to another website site, computer, server, or data center.
  • a computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, or the like that includes an integration of one or more available media.
  • Useful media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, digital video discs), or semiconductor media (eg, solid state drives), among others.

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Abstract

Des modes de réalisation de la présente demande concernent un procédé et un appareil de configuration de signal de référence de détection, ainsi qu'un terminal et un dispositif réseau, ledit procédé comprenant les étapes suivantes : un terminal obtient des premières informations à partir d'un dispositif réseau, les premières informations servant à indiquer une attribution de ressources pour un signal de référence de sondage ; en fonction des premières informations, le terminal détermine la distribution des emplacements de ressources utilisés pour transmettre le signal de référence de sondage. Par conséquent, dans les modes de réalisation de la présente demande, les premières informations sont envoyées du dispositif réseau au terminal, ce qui permet à un dispositif réseau de configurer facilement la distribution d'emplacements de ressources utilisés pour transmettre un signal de référence de sondage (SRS). De plus, le terminal détermine, en fonction des premières informations, la distribution des emplacements de ressources utilisés pour transmettre le SRS, puis transmet le SRS au moyen de ladite distribution d'emplacements de ressources. Il suffit de transmettre un SRS sur la totalité ou une partie d'une ressource de bande de fréquence au moyen de ladite distribution d'emplacements de ressources pour permettre la transmission de la totalité ou d'une partie du SRS, et améliorer ainsi l'efficacité de l'utilisation des ressources de bande de fréquence, de la densité de puissance et de la capacité de multiplexage de SRS.
PCT/CN2020/119727 2020-09-30 2020-09-30 Procédé et appareil de configuration de signal de référence de détection, terminal et dispositif réseau Ceased WO2022067802A1 (fr)

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US20240204934A1 (en) * 2021-09-24 2024-06-20 Apple Inc. Frequency hopping enhancement for partial frequency sounding
WO2024208238A1 (fr) * 2023-04-07 2024-10-10 展讯半导体(南京)有限公司 Procédé et appareil de configuration de ressources pour positionner un signal de référence, et puce et dispositif de module

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