WO2018170690A1 - 无线通信方法和设备 - Google Patents

无线通信方法和设备 Download PDF

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Publication number
WO2018170690A1
WO2018170690A1 PCT/CN2017/077349 CN2017077349W WO2018170690A1 WO 2018170690 A1 WO2018170690 A1 WO 2018170690A1 CN 2017077349 W CN2017077349 W CN 2017077349W WO 2018170690 A1 WO2018170690 A1 WO 2018170690A1
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WO
WIPO (PCT)
Prior art keywords
srs
type
aperiodic
terminal device
determined
Prior art date
Application number
PCT/CN2017/077349
Other languages
English (en)
French (fr)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CA3056688A priority Critical patent/CA3056688C/en
Priority to RU2019133305A priority patent/RU2731766C1/ru
Priority to AU2017405379A priority patent/AU2017405379B2/en
Priority to US16/496,179 priority patent/US11539483B2/en
Priority to PCT/CN2017/077349 priority patent/WO2018170690A1/zh
Priority to JP2019551629A priority patent/JP7019714B2/ja
Priority to IL269392A priority patent/IL269392B2/en
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201780088337.4A priority patent/CN110419239B/zh
Priority to SG11201908762V priority patent/SG11201908762VA/en
Priority to CN201911310456.7A priority patent/CN110855418B/zh
Priority to MX2019011137A priority patent/MX2019011137A/es
Priority to BR112019019332A priority patent/BR112019019332A2/pt
Priority to EP17901752.0A priority patent/EP3589014B1/en
Priority to KR1020197027747A priority patent/KR102399015B1/ko
Priority to TW107105079A priority patent/TWI751281B/zh
Publication of WO2018170690A1 publication Critical patent/WO2018170690A1/zh
Priority to PH12019502125A priority patent/PH12019502125A1/en
Priority to ZA2019/06232A priority patent/ZA201906232B/en
Priority to JP2022010820A priority patent/JP7381622B2/ja

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035Resource allocation in a cooperative multipoint environment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18Negotiating wireless communication parameters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/02Selection of wireless resources by user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/046Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling

Definitions

  • the present application relates to the field of communications and, more particularly, to a method and apparatus for wireless communication.
  • a non-periodic sounding reference signal (SRS) transmission is introduced, and the base station can trigger the SRS transmission of the terminal by using uplink or downlink DCI (Downlink Control Information).
  • the terminal After receiving the SRS trigger signaling, the terminal performs SRS transmission.
  • the SRS is mainly used to obtain uplink channel information, and is used for obtaining downlink channel information based on channel dissimilarity on the network side.
  • the terminal can use different beams to transmit different SRS signals for network device to perform uplink beam management.
  • the embodiments of the present application provide a wireless communication method and device, which are compatible with multiple SRS type transmissions.
  • a wireless communication method including:
  • the terminal device transmits the aperiodic SRS to the network device based on the determined resource and/or the determined transmission mode.
  • the determined SRS type includes at least one of multiple SRS types supported by the terminal device.
  • the different SRS types of the non-cyclic SRS resources of the multiple SRS types is different.
  • the determining, the SRS type includes a first SRS type and a second SRS type supported by the terminal device At least one of them;
  • the aperiodic SRS of the first SRS type is sent by using multiple beams; and/or
  • the aperiodic SRS of the second SRS type is transmitted by a single beam.
  • the single beam used to send the aperiodic SRS of the second SRS type is The beam used for transmitting the SRS on the SRS resource indicated by the last received SRS resource indication information SRI before the aperiodic SRS of the second SRS type.
  • the determining, the SRS type includes a first SRS type and a second SRS type supported by the terminal device At least one of them;
  • the primary transmission of the aperiodic SRS of the first SRS type is sent through a single antenna port; and/or,
  • the primary transmission of the aperiodic SRS of the second SRS type is transmitted through multiple antenna ports.
  • the determining, the SRS type includes a first SRS type and a second SRS type supported by the terminal device At least one of them; among them,
  • the number of transmissions of the first SRS type aperiodic SRS is multiple; and/or
  • the number of transmissions of the second SRS type aperiodic SRS is one.
  • the determining, the SRS type includes a first SRS type and a second SRS type supported by the terminal device At least one of them;
  • the aperiodic SRS of the first SRS type is used to determine a transmit beam of an uplink signal and/or a receive beam of an uplink signal; and/or
  • the aperiodic SRS of the second SRS type is used to obtain scheduling information of an uplink signal.
  • the determining transmission manner includes at least one of the following:
  • the number of beams used to transmit the aperiodic SRS is the number of beams used to transmit the aperiodic SRS
  • the determining, by the terminal device, determining, by using the determined SRS type, Resources and / or transmission methods including:
  • the terminal device Determining, by the terminal device, the SRS resource set corresponding to the determined SRS type from the pre-configured SRS resource set according to the SRS type;
  • the terminal device determines an SRS resource for transmitting the aperiodic SRS.
  • the SRS resource for sending the aperiodic SRS includes:
  • the at least one SRS resource that is received by the terminal device after receiving the trigger signaling is determined to be used to send the aperiodic SRS resource, in the SRS resource set corresponding to the determined SRS type.
  • the SRS resource for sending the aperiodic SRS includes:
  • the terminal device determines, according to the SRS resource indication information that is carried in the trigger signaling, that the SRS resource used to send the aperiodic is determined from the SRS resource set corresponding to the determined SRS type.
  • the determining, by the terminal device, determining, by using the determined SRS type, Before the resource and/or the transmission mode further includes: the terminal device receiving an SRS resource set configured by the network device in advance for each SRS type of the multiple SRS types supported by the terminal device.
  • the determining, by the trigger signaling, the SRS type of the aperiodic SRS includes:
  • the determining, by the trigger signaling, the SRS type of the aperiodic SRS includes:
  • the determining, by the trigger signaling, the SRS type of the aperiodic SRS includes:
  • the determining, by the trigger signaling, the SRS type of the aperiodic SRS includes:
  • the trigger signaling is carried by using downlink control information or media access control MAC signaling.
  • a wireless communication method including:
  • the network device generates trigger signaling according to the SRS type of the aperiodic SRS that the terminal device needs to send;
  • the network device receives the aperiodic SRS sent by the terminal device based on the determined resource and/or the determined transmission mode.
  • the SRS type of the aperiodic SRS includes at least one of multiple SRS types supported by the terminal device.
  • the terminal device in a possible implementation manner of the second aspect, sends different SRS types.
  • the resources and/or transmission methods of the aperiodic SRS are different.
  • the determined transmission manner includes at least one of the following:
  • the number of beams used by the terminal device to send the aperiodic SRS is the number of beams used by the terminal device to send the aperiodic SRS
  • the number of transmissions of the aperiodic SRS by the terminal device is the same.
  • a terminal device which can include means for implementing the method of the first aspect described above or any of its possible implementations.
  • a network device which may comprise means for implementing the method of the second aspect or any of its possible implementations.
  • a terminal device in a fifth aspect, can include a memory and a processor, the memory storing instructions for invoking instructions stored in the memory to perform the first aspect or any optional implementation thereof Methods.
  • a network device in a sixth aspect, can include a memory and a processor, the memory storing instructions for invoking instructions stored in the memory to perform the second aspect or any optional implementation thereof Methods.
  • a computer readable medium storing program code for execution by a terminal device, the program code comprising instructions for performing the method of the first aspect or various implementations thereof Or include instructions for performing the method of the second aspect or its various implementations.
  • a system chip comprising an input interface, an output interface, a processor, and a memory
  • the processor is configured to execute code in the memory, and when the code is executed, the processor can implement the foregoing The method of the first aspect and various implementations, or the method of the second aspect and various implementations described above.
  • the terminal device may determine the SRS type of the aperiodic SRS according to the trigger signaling used by the network device to trigger the aperiodic SRS, and implement multiple types between the terminal device and the network device. Transmission of the SRS, and according to the determined SRS type, the terminal device determines a resource and/or a transmission mode for transmitting the aperiodic SRS, and different SRS types may be supported to support different configurations, thereby satisfying different scenarios. SRS requirements.
  • FIG. 1 is a schematic diagram of a wireless communication system in accordance with an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a system chip in accordance with an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a communication device in accordance with 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
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UPD Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied.
  • the wireless communication system 100 can include a network device 110.
  • Network device 100 can be a device that communicates with a terminal device.
  • the internet Device 100 may provide communication coverage for a particular geographic area and may communicate with terminal devices (e.g., UEs) located within the coverage area.
  • the network device 100 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or may be a base station (NodeB, NB) in a WCDMA system, or may be an evolved base station in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • the network device can be a relay station, an access point, an in-vehicle device, a wearable device, A network side device in a future 5G network or a network device in a publicly available Public Land Mobile Network (PLMN) in the future.
  • PLMN Public Land Mobile Network
  • the wireless communication system 100 also includes at least one terminal device 120 located within the coverage of the network device 110.
  • Terminal device 120 can be mobile or fixed.
  • the terminal device 120 may refer to an access terminal, a user equipment (User Equipment, UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • D2D device to device communication
  • D2D device to device
  • the 5G system or network may also be referred to as a New Radio (NR) system or network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.
  • the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.
  • network entities such as a network controller, a mobility management entity, and the like.
  • system and “network” are used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and A and B exist separately. There are three cases of B.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application.
  • the method 200 is optionally applicable to the system shown in FIG. 1, but is not limited thereto. As shown in FIG. 2, the method 200 includes the following.
  • the terminal device receives trigger signaling sent by the network device to trigger the aperiodic sounding reference signal SRS.
  • the trigger signaling is carried by downlink control information or Media Access Control (MAC) signaling.
  • MAC Media Access Control
  • the aperiodic SRS refers to an SRS triggered by trigger signaling, which may be transmitted once or multiple times.
  • the terminal device determines an SRS type of the aperiodic SRS.
  • the determined SRS type includes at least one of multiple SRS types supported by the terminal device.
  • resources and/or transmission manners of different SRS types of aperiodic SRSs are different.
  • the number and/or configuration of SRS resources of different SRS types is different.
  • different SRS types have different antenna ports, different beams, and/or different transmission times.
  • the determined SRS type includes at least one of a first SRS type and a second SRS type supported by the terminal device.
  • the first SRS type satisfies at least one of the following conditions:
  • the aperiodic SRS of the first SRS type is sent by using multiple beams;
  • the primary transmission of the aperiodic SRS of the first SRS type is sent through a single antenna port;
  • the number of transmissions of the first SRS type aperiodic SRS is multiple times
  • the aperiodic SRS of the first SRS type is used to determine a transmit beam of an uplink signal and/or a receive beam of an uplink signal.
  • the terminal device may transmit a SRS signal by using different beams, and the network device detects the SRS signal by using different beams. Find the SRS signal with the best reception quality and indicate it to the terminal device.
  • the terminal may use the beam used by the optimal SRS signal for transmission of other uplink signals.
  • Transmission such as for uplink data, transmission of control information or transmission of a second SRS type of aperiodic SRS.
  • the multiple beams used to send the aperiodic SRS of the first SRS type may be multiple beams determined by the terminal device itself, or may be multiple beams that are pre-configured to the terminal device by the network side, or may be The network side pre-configures a set of beams from which the terminal selects multiple beams.
  • the transmission of different aperiodic SRSs may use different time domain resource units, where the time domain resource unit may be a subframe or a time slot. , mini-slot or Orthogonal Frequency Division Multiplexing (OFDM) symbols.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the N-transported aperiodic SRS may occupy the N most recent resources in the SRS resource after the trigger.
  • the transmission of different aperiodic SRSs may be performed by using different beam transmissions or by using the same beam transmission, which may be configured by the network device. .
  • the second SRS type satisfies at least one of the following conditions:
  • the aperiodic SRS of the second SRS type is sent by using a single beam
  • the primary transmission of the second SRS type aperiodic SRS is sent through multiple antenna ports;
  • the number of transmissions of the second SRS type aperiodic SRS is one time
  • the aperiodic SRS of the second SRS type is used to obtain scheduling information of an uplink signal, for example, at least a Rank Indicator (RI), a Pre-coding Matrix Index (PMI) channel quality indicator ( At least one of Channel Quality Indicator (CQI) and frequency selective scheduling information.
  • RI Rank Indicator
  • PMI Pre-coding Matrix Index
  • CQI Channel Quality Indicator
  • the single beam used to send the aperiodic SRS of the second SRS type is the last received SRS resource indication information (SRS Resource Indication, before sending the aperiodic SRS of the second SRS type.
  • SRS Resource Indication before sending the aperiodic SRS of the second SRS type.
  • SRI The beam used to transmit the SRS on the SRS resource indicated.
  • the terminal device before receiving the SRI, transmits an SRS signal on an SRS resource set including the SRS resource indicated by the SRI, and each SRS resource uses one beam transmission.
  • the SRI generally transmits uplink uplink data transmission or scheduling uplink control information.
  • the DCI is indicated to the terminal device.
  • the terminal can be indicated by triggering the DCI of the aperiodic SRS.
  • the SRS resource used to perform the first SRS type does not overlap with the SRS resource used to perform the second SRS type.
  • the network device may configure five SRS resources, and the terminal device may perform the SRS resource transmission of the second SRS type based on one of the SRS resources.
  • the SRS resource set corresponding to the second SRS type includes one SRS resource.
  • the terminal device may perform the transmission of the SRS of the first SRS type based on the other four SRS resources.
  • the SRS resource set corresponding to the first SRS type includes four SRS resources.
  • the network device separately configures the number of antenna ports for different SRS types, or the network device configures the number of antenna ports for the second SRS type, and the first SRS type adopts a predetermined fixed number of antenna ports.
  • the SRS transmission of the first SRS type may adopt a fixed single port transmission
  • the SRS transmission of the second SRS type may adopt the number of antenna ports configured by the network device, and may be 1 port or 2, 4, or 8 ports.
  • antenna ports for different SRS types may be antenna ports that do not overlap.
  • the antenna port ⁇ 0 ⁇ is employed for the SRS transmission of the first SRS type; for the SRS transmission of the second SRS type, the antenna port ⁇ 1 ⁇ or ⁇ 1, 2 ⁇ or ⁇ 1, 2, 3, 4 ⁇ is employed. Or, for the SRS transmission of the first SRS type, the antenna port ⁇ 0 ⁇ or ⁇ 0, 1 ⁇ is used; for the transmission of the second SRS type, the antenna port ⁇ 2 ⁇ or ⁇ 2, 3 ⁇ or ⁇ 2, 3, 4,5 ⁇ .
  • different antenna ports in the SRS resources for transmitting the aperiodic SRS use different beam transmission SRSs; and/or, for the second SRS type, for transmitting the aperiodic Different antenna ports in the SRS resources of the SRS use the same beam transmission SRS.
  • the same SRS resource is used to transmit the aperiodic SRS for the two SRS types, and the SRS resource has 4 antenna ports.
  • the type of the aperiodic SRS is the first SRS type
  • the four ports use four different beams to transmit the SRS
  • the type of the aperiodic SRS is the second SRS type
  • the four ports use the same beam to transmit the SRS.
  • the transmission of the aperiodic SRS has been described above by taking the first SRS type and the second SRS type among the multiple SRS types supported by the terminal device as an example.
  • the following describes how to determine the SRS type of aperiodic SRS based on trigger signaling.
  • the SRS type is determined according to the SRS type indication information in the trigger signaling.
  • 1 bit is used in the trigger signaling to indicate SRS Type 1 or SRS Type 2.
  • two bits are respectively used to correspond to two SRS types. If the current SRS type is activated, the corresponding bit is configured to be 0.
  • 11 can be used to simultaneously activate two SRS types of aperiodic SRS transmissions.
  • the terminal determines that the SRS type is SRS type 1; if multiple SRS resources in the preset N SRS resources are indicated, The terminal determines that the SRS type is SRS Type 2. Other correspondences are not excluded.
  • the network device can configure 5 SRS resources, SRS resources 1, 2, 3, and 4 are used for SRS type 2 transmission, and SRS resource 5 is used for SRS type 1 transmission. If the SRS resource for the transmission of the aperiodic SRS indicated by the trigger signaling is the SRS resource 2, the aperiodic SRS of the SRS type 2 may be transmitted.
  • the terminal determines to be SRS type 1; if the number of transmissions indicated in the trigger signaling is single, the terminal determines to be SRS type 2.
  • the terminal device determines a resource and/or a transmission mode for transmitting the aperiodic SRS according to the determined SRS type.
  • the determined transmission manner includes at least one of the following:
  • the number of beams used to transmit the aperiodic SRS is the number of beams used to transmit the aperiodic SRS
  • the terminal device uses a pre-configured SRS resource set according to the SRS type. And determining, by the SRS resource set corresponding to the determined SRS type, the terminal device determines an SRS resource used for sending the aperiodic SRS.
  • the at least one SRS resource that is received by the terminal device after the trigger signaling is determined to be used to send the aperiodic SRS resource.
  • the network device configures, in advance, N periodic SRS resources for aperiodic SRS transmission for the first SRS type: SRS resource 1, SRS resource 2, ..., SRS resource N.
  • Each SRS resource includes configurations such as cycle, offset, and power.
  • the network side configures a periodic SRS resource for aperiodic SRS transmission for the second SRS type, and the SRS resource includes a configuration of a period, an offset, a port, and a power.
  • the terminal device determines that the current SRS type is the second SRS type, and the SRS resource used by the aperiodic SRS is the most recent resource in the SRS resource.
  • the SRS resource set configured by each SRS type of the multiple SRS types supported by the terminal device may be configured by the network device in advance for the terminal device.
  • the terminal device determines, according to the SRS resource indication information carried in the trigger signaling, the SRS resource set that is used to send the aperiodic SRS resource from the determined SRS resource set.
  • the terminal device transmits the aperiodic SRS to the network device based on the determined resource and/or the determined transmission mode.
  • FIG. 3 is a schematic flowchart of a wireless communication method 300 according to an embodiment of the present application.
  • the method 300 can optionally be applied to the system shown in Figure 1, but is not limited thereto. As shown in FIG. 3, the method 300 includes the following.
  • the network device generates trigger signaling according to the SRS type of the aperiodic SRS that the terminal device needs to send.
  • the SRS type of the aperiodic SRS includes at least one of multiple SRS types supported by the terminal device.
  • the terminal device sends different SRS types.
  • the resources and/or transmission methods of aperiodic SRS are different.
  • the SRS type of the aperiodic SRS includes at least one of a first SRS type and a second SRS type supported by the terminal device.
  • the first SRS type satisfies at least one of the following conditions:
  • the aperiodic SRS of the first SRS type is sent by using multiple beams;
  • the primary transmission of the aperiodic SRS of the first SRS type is sent through a single antenna port;
  • the number of transmissions of the first SRS type aperiodic SRS is multiple times
  • the aperiodic SRS of the first SRS type is used to determine a transmit beam of an uplink signal and/or a receive beam of an uplink signal.
  • the second SRS type satisfies at least one of the following conditions:
  • the aperiodic SRS of the second SRS type is sent by using a single beam
  • the primary transmission of the second SRS type aperiodic SRS is sent through multiple antenna ports;
  • the number of transmissions of the second SRS type aperiodic SRS is one time
  • the aperiodic SRS of the second SRS type is used to obtain scheduling information of an uplink signal.
  • the single beam that is sent by the terminal device to the aperiodic SRS of the second SRS type is the SRS indicated by the SRS resource indication information SRI that is sent last time before receiving the aperiodic SRS of the second SRS type.
  • the beam used to transmit the SRS on the resource is the SRS indicated by the SRS resource indication information SRI that is sent last time before receiving the aperiodic SRS of the second SRS type.
  • the network device determines a transmit beam of the uplink signal and/or a receive beam of the uplink signal according to the aperiodic SRS of the first SRS type; and/or, according to the aperiodic SRS of the second SRS type, the network The device obtains scheduling information of the uplink signal.
  • the network device sends the trigger signaling to the terminal device.
  • the trigger signaling is carried by the downlink control information or the medium access control MAC signaling.
  • the trigger signaling carries SRS type indication information, and is used to indicate an SRS type of the aperiodic SRS.
  • the trigger signaling carries a quantity of SRS resources used by the terminal device to send the aperiodic SRS.
  • the trigger signaling carries an SRS resource used by the terminal device to send the aperiodic SRS.
  • the trigger signaling carries the number of transmissions of the aperiodic SRS.
  • the network device determines a resource and/or a transmission mode in which the terminal device sends the aperiodic SRS.
  • the determined transmission manner includes at least one of the following:
  • the number of beams used by the terminal device to send the aperiodic SRS is the number of beams used by the terminal device to send the aperiodic SRS
  • the terminal device sends the number of transmissions of the aperiodic SRS.
  • the network device pre-stores an SRS resource set configured by each SRS type of the multiple SRS types supported by the terminal device; the terminal device is pre-stored according to the SRS type of the aperiodic SRS.
  • the SRS resource set the SRS resource set corresponding to the SRS type of the aperiodic SRS is determined; the SRS resource set corresponding to the SRS type of the aperiodic SRS, the terminal device determines that the terminal device sends the aperiodic SRS resources of SRS.
  • the terminal device determines to send the aperiodic SRS resource.
  • the network device receives the aperiodic SRS sent by the terminal device based on the determined resource and/or the determined transmission mode.
  • the terminal device may determine the SRS type of the aperiodic SRS according to the trigger signaling used by the network device to trigger the aperiodic SRS, and implement multiple types between the terminal device and the network device. Transmission of the SRS, and according to the determined SRS type, the terminal device determines a resource and/or a transmission mode for transmitting the aperiodic SRS, and different SRS types may be supported to support different configurations, thereby implementing different scenarios. SRS requirements.
  • FIG. 4 is a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 includes a processing unit 410 and a transceiver unit 420;
  • the transceiver unit 420 is configured to: receive, by the network device, trigger signaling for triggering the aperiodic sounding reference signal SRS;
  • the processing unit 410 is configured to: determine, according to the trigger signaling, an SRS type of the aperiodic SRS; and determine, according to the determined SRS type, a resource and/or a transmission mode used to send the aperiodic SRS;
  • the transceiver unit 420 is further configured to: send the aperiodic SRS to the network device based on the determined resource and/or the determined transmission mode.
  • the determined SRS type includes at least one of multiple SRS types supported by the terminal device.
  • resources and/or transmission manners of different SRS types of aperiodic SRSs are different.
  • the determined SRS type includes at least one of a first SRS type and a second SRS type supported by the terminal device;
  • the aperiodic SRS of the first SRS type is sent by using multiple beams; and/or
  • the aperiodic SRS of the second SRS type is transmitted by a single beam.
  • the single beam used to send the aperiodic SRS of the second SRS type is the SRS indicated by the last received SRS resource indication information SRI before the aperiodic SRS of the second SRS type is sent.
  • the beam used to transmit the SRS on the resource is the SRS indicated by the last received SRS resource indication information SRI before the aperiodic SRS of the second SRS type is sent.
  • the determined SRS type includes at least one of a first SRS type and a second SRS type supported by the terminal device;
  • the primary transmission of the aperiodic SRS of the first SRS type is sent through a single antenna port; and/or,
  • the primary transmission of the aperiodic SRS of the second SRS type is transmitted through multiple antenna ports.
  • the determined SRS type includes at least one of a first SRS type and a second SRS type supported by the terminal device;
  • the number of transmissions of the first SRS type aperiodic SRS is multiple; and/or
  • the number of transmissions of the second SRS type aperiodic SRS is one.
  • the determined SRS type includes at least one of a first SRS type and a second SRS type supported by the terminal device;
  • the aperiodic SRS of the first SRS type is used to determine a transmit beam of an uplink signal and/or a receive beam of an uplink signal; and/or
  • the aperiodic SRS of the second SRS type is used to obtain scheduling information of an uplink signal.
  • the determined transmission manner includes at least one of the following:
  • the number of beams used to transmit the aperiodic SRS is the number of beams used to transmit the aperiodic SRS
  • processing unit 410 is further configured to:
  • processing unit 410 is further configured to:
  • processing unit 410 is further configured to:
  • the SRS resource set for sending the aperiodic from the SRS resource set corresponding to the determined SRS type.
  • the transceiver unit 420 is further configured to:
  • processing unit 410 is further configured to:
  • processing unit 410 is further configured to:
  • processing unit 410 is further configured to:
  • processing unit 410 is further configured to:
  • the trigger signaling is carried by the downlink control information or the medium access control MAC signaling.
  • terminal device 400 may correspond to the terminal device in the method 200, and may be implemented. The corresponding functions of the terminal device 200 in the method 200 are not described herein for brevity.
  • FIG. 5 is a schematic block diagram of a network device 500 in accordance with an embodiment of the present application. As shown in FIG. 5, the network device 500 processes the unit 510 and the transceiver unit 520;
  • the processing unit 510 is configured to: generate trigger signaling according to an SRS type of the aperiodic SRS that is sent by the terminal device;
  • the transceiver unit 520 is configured to: send the trigger signaling to the terminal device;
  • the processing unit 510 is further configured to: determine, according to the SRS type of the aperiodic SRS, a resource and/or a transmission mode of the terminal device to send the aperiodic SRS;
  • the transceiver unit 520 is further configured to: receive the aperiodic SRS sent by the terminal device, based on the determined resource and/or the determined transmission mode.
  • the SRS type of the aperiodic SRS includes at least one of multiple SRS types supported by the terminal device.
  • the resources and/or transmission manners of the aperiodic SRSs in which the terminal devices send different SRS types are different.
  • the determined transmission manner includes at least one of the following:
  • the number of beams used by the terminal device to send the aperiodic SRS is the number of beams used by the terminal device to send the aperiodic SRS
  • the number of transmissions of the aperiodic SRS by the terminal device is the same.
  • the network device 500 may correspond to the network device in the method 500, and the corresponding functions of the terminal device 300 in the method 300 may be implemented. For brevity, no further details are provided herein.
  • FIG. 6 is a schematic structural diagram of a system chip 600 according to an embodiment of the present application.
  • the system chip 600 of FIG. 6 includes an input interface 601, an output interface 602, the processor 603, and a memory 604 that can be connected by an internal communication connection line.
  • the processor 603 is configured to execute code in the memory 704.
  • the processor 603 implements the method performed by the terminal device in the method 200 shown in FIG. 2. For the sake of brevity, it will not be repeated here.
  • the processor 603 implements the method performed by the network device in the method 300 shown in FIG. For the sake of brevity, it will not be repeated here.
  • FIG. 7 is a schematic block diagram of a communication device 700 in accordance with an embodiment of the present application.
  • the communication device 700 includes a processor 710 and a memory 720.
  • the memory 720 can store program code, and the processor 710 can execute the program code stored in the memory 720.
  • the communication device 700 can include a transceiver 730 that can control the transceiver 730 to communicate externally.
  • the processor 710 can call the program code stored in the memory 720 to perform the corresponding operations of the terminal device in the method 200 shown in FIG. 2, and details are not described herein for brevity.
  • the processor 710 can call the program code stored in the memory 720 to perform the corresponding operations of the network device in the method 300 shown in FIG. 3.
  • the processor 710 can call the program code stored in the memory 720 to perform the corresponding operations of the network device in the method 300 shown in FIG. 3.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or made as a standalone product When used, it can be stored in a computer readable storage medium.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本申请实施例提供一种无线通信方法和设备,可以兼容实现多种SRS类型的传输。该方法包括:终端设备接收网络设备发送的用于触发非周期探测参考信号SRS的触发信今;根据所述触发信今,所述终端设备确定所述非周期SRS的SRS类型;根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式;基于确定的资源和/或确定的传输方式,所述终端设备向所述网络设备发送所述非周期SRS。

Description

无线通信方法和设备 技术领域
本申请涉及通信领域,并且更具体地,涉及一种无线通信方法和设备。
背景技术
在长期演进(Long Term Evolution,LTE)系统中引入了非周期探测参考信号(Sounding Reference Signal,SRS)传输,基站可以通过上行或者下行DCI(Downlink Control Information)触发终端的SRS传输。终端收到SRS触发信令后,进行SRS传输。所述SRS主要用于获得上行的信道信息,以及用于网络侧基于信道互异性获得下行的信道信息。
在5G系统中,引入了多波束传输。终端可以采用不同的波束传输不同的SRS信号,以用于网络设备进行上行波束管理。
在5G通信系统中,如何兼容进行上行波束管理的SRS传输和用于获取上行调度信息的SRS传输是一项亟待解决的问题。
发明内容
本申请实施例提供一种无线通信方法和设备,可以兼容实现多种SRS类型的传输。
第一方面,提供了一种无线通信方法,包括:
终端设备接收网络设备发送的用于触发非周期探测参考信号SRS的触发信令;
根据所述触发信令,所述终端设备确定所述非周期SRS的SRS类型;
根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式;
基于确定的资源和/或确定的传输方式,所述终端设备向所述网络设备发送所述非周期SRS。
结合第一方面,在第一方面的一种可能的实现方式中,所述确定的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述多种SRS类型中,不同的SRS类型的非周期SRS的资 源和/或传输方式是不同的。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
其中,所述第一SRS类型的非周期SRS是通过多波束发送的;和/或
所述第二SRS类型的非周期SRS是通过单波束发送的。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,用于发送所述第二SRS类型的非周期的SRS的单波束为在发送所述第二SRS类型的非周期的SRS之前最后一次接收到的SRS资源指示信息SRI所指示的SRS资源上传输SRS所采用的波束。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
其中,所述第一SRS类型的非周期SRS的一次传输是通过单个天线端口发送的;和/或,
所述第二SRS类型的非周期SRS的一次传输是通过多个天线端口发送的。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;其中,
所述第一SRS类型的非周期SRS的传输次数为多次;和/或
所述第二SRS类型的非周期SRS的传输次数为一次。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
所述第一SRS类型的非周期SRS用于确定上行信号的发送波束和/或上行信号的接收波束;和/或
所述第二SRS类型的非周期SRS用于获得上行信号的调度信息。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述确定的传输方式包括以下中的至少一种:
发送所述非周期SRS所采用的波束;
发送所述非周期SRS所采用的波束的数量;
发送所述非周期SRS所采用的天线端口;
发送所述非周期SRS所采用的天线端口的数量;以及
所述非周期SRS的传输次数。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式,包括:
所述终端设备根据所述SRS类型,从预先配置的SRS资源集合中,确定所述确定的SRS类型对应的SRS资源集合;
从所述确定的SRS类型对应的SRS资源集合中,所述终端设备确定用于发送所述非周期SRS的SRS资源。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述从所述确定的SRS类型对应的SRS资源集合中,所述终端设备确定用于发送所述非周期SRS的SRS资源,包括:
将所述确定的SRS类型对应的SRS资源集合中,所述终端设备接收到所述触发信令之后最近的至少一个SRS资源,确定为用于发送所述非周期的SRS资源。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述从所述确定的SRS类型对应的SRS资源集合中,所述终端设备确定用于发送所述非周期SRS的SRS资源,包括:
所述终端设备根据所述触发信令中携带的SRS资源指示信息,从所述确定的SRS类型对应的SRS资源集合中,确定用于发送所述非周期的SRS资源。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式之前,还包括:所述终端设备接收网络设备预先为所述终端设备支持的多个SRS类型中的每个SRS类型配置的SRS资源集合。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述根据所述触发信令,确定所述非周期SRS的SRS类型,包括:
根据所述触发信令中的SRS类型指示信息,确定所述SRS类型。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述根据所述触发信令,确定所述非周期SRS的SRS类型,包括:
根据所述触发信令指示的用于发送所述非周期SRS的SRS资源的数量,确定所述非周期SRS的类型。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述根据所述触发信令,确定所述非周期SRS的SRS类型,包括:
根据所述触发信令指示的用于发送所述非周期SRS的SRS资源,确定所述非周期SRS的类型。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述根据所述触发信令,确定所述非周期SRS的SRS类型,包括:
根据所述触发信令指示的用于发送所述非周期SRS的传输次数,确定所述非周期SRS的类型。
结合第一方面或其上述任一种可能的实现方式,在第一方面的一种可能的实现方式中,所述触发信令通过下行控制信息或媒体接入控制MAC信令承载。
第二方面,提供了一种无线通信方法,包括:
网络设备根据需要所述终端设备发送的非周期SRS的SRS类型,生成触发信令;
所述网络设备向所述终端设备发送所述触发信令;
根据所述非周期SRS的SRS类型,所述网络设备确定所述终端设备发送所述非周期SRS的资源和/或传输方式;
基于确定的资源和/或确定的传输方式,所述网络设备接收所述终端设备发送的所述非周期SRS。
结合第二方面,在第二方面的一种可能的实现方式中,所述非周期SRS的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
结合第二方面或其上述任一种可能的实现方式,在第二方面的一种可能的实现方式中,所述多种SRS类型中,所述终端设备发送不同的SRS类型 的非周期SRS的资源和/或传输方式是不同的。
结合第二方面或其上述任一种可能的实现方式,在第二方面的一种可能的实现方式中,所述确定的传输方式包括以下中的至少一种:
所述终端设备发送所述非周期SRS所采用的波束;
所述终端设备发送所述非周期SRS所采用的波束的数量;
所述终端设备发送所述非周期SRS所采用的天线端口;
所述终端设备发送所述非周期SRS所采用的天线端口的数量;以及
所述终端设备所述非周期SRS的传输次数。
第三方面,提供了一种终端设备,该终端设备可以包括用于实现上述第一方面或其任一种可能的实现方式中的方法的单元。
第四方面,提供了一种网络设备,该网络设备可以包括用于实现上述第二方面或其任一种可能的实现方式中的方法的单元。
第五方面,提供了一种终端设备,该终端设备可以包括存储器和处理器,该存储器存储指令,该存储器用于调用存储器中存储的指令执行第一方面或其任一项可选实现方式中的方法。
第六方面,提供了一种网络设备,该网络设备可以包括存储器和处理器,该存储器存储指令,该存储器用于调用存储器中存储的指令执行第二方面或其任一项可选实现方式中的方法。
第七方面,提供一种计算机可读介质,所述计算机可读介质存储用于终端设备执行的程序代码,所述程序代码包括用于执行第一方面或其各种实现方式中的方法的指令,或包括用于执行第二方面或其各种实现方式中的方法的指令。
第八方面,提供了一种系统芯片,该系统芯片包括输入接口、输出接口、处理器和存储器,该处理器用于执行该存储器中的代码,当该代码被执行时,该处理器可以实现前述第一方面及各种实现方式中的方法,或者执行前述第二方面及各种实现方式中的方法。
因此,在本申请实施例中,终端设备可以根据网络设备发送的用于触发非周期SRS的触发信令,确定所述非周期SRS的SRS类型;可以实现终端设备和网络设备之间多种类型的SRS的传输,并且根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式,可以实现不同的SRS类型支持不同的配置,从而可以满足不同场景的SRS需求。
附图说明
为了更清楚地说明本申请实施例的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1是根据本申请实施例的无线通信系统的示意性图。
图2是根据本申请实施例的无线通信方法的示意性流程图。
图3是根据本申请实施例的无线通信方法的示意性流程图。
图4是根据本申请实施例的终端设备的示意性框图。
图5是根据本申请实施例的网络设备的示意性框图。
图6是根据本申请实施例的系统芯片的示意性框图。
图7是根据本申请实施例的通信设备的示意性框图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,简称为“GSM”)系统、码分多址(Code Division Multiple Access,简称为“CDMA”)系统、宽带码分多址(Wideband Code Division Multiple Access,简称为“WCDMA”)系统、通用分组无线业务(General Packet Radio Service,简称为“GPRS”)、长期演进(Long Term Evolution,简称为“LTE”)系统、LTE频分双工(Frequency Division Duplex,简称为“FDD”)系统、LTE时分双工(Time Division Duplex,简称为“TDD”)、通用移动通信系统(Universal Mobile Telecommunication System,简称为“UMTS”)、全球互联微波接入(Worldwide Interoperability for Microwave Access,简称为“WiMAX”)通信系统或未来的5G系统等。
图1示出了本申请实施例应用的无线通信系统100。该无线通信系统100可以包括网络设备110。网络设备100可以是与终端设备通信的设备。网络 设备100可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域内的终端设备(例如UE)进行通信。可选地,该网络设备100可以是GSM系统或CDMA系统中的基站(Base Transceiver Station,BTS),也可以是WCDMA系统中的基站(NodeB,NB),还可以是LTE系统中的演进型基站(Evolutional Node B,eNB或eNodeB),或者是云无线接入网络(Cloud Radio Access Network,CRAN)中的无线控制器,或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备、未来5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)中的网络设备等。
该无线通信系统100还包括位于网络设备110覆盖范围内的至少一个终端设备120。终端设备120可以是移动的或固定的。可选地,终端设备120可以指接入终端、用户设备(User Equipment,UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、未来5G网络中的终端设备或者未来演进的PLMN中的终端设备等。
可选地,终端设备120之间可以进行终端直连(Device to Device,D2D)通信。
可选地,5G系统或网络还可以称为新无线(New Radio,NR)系统或网络。
图1示例性地示出了一个网络设备和两个终端设备,可选地,该无线通信系统100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备,本申请实施例对此不做限定。
可选地,该无线通信系统100还可以包括网络控制器、移动管理实体等其他网络实体,本申请实施例对此不作限定。
应理解,本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独 存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
图2是根据本申请实施例的无线通信方法200的示意性流程图。该方法200可选地可以应用于图1所示的系统,但并不限于此。如图2所示,该方法200包括以下内容。
在210中,终端设备接收网络设备发送的用于触发非周期探测参考信号SRS的触发信令。
可选地,所述触发信令通过下行控制信息或媒体接入控制(Media Access Control,MAC)信令承载。
可选地,非周期SRS是指由触发信令触发的SRS,可以传输一次,也可以传输多次。
在220中,根据所述触发信令,所述终端设备确定所述非周期SRS的SRS类型。
可选地,所述确定的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
可选地,所述多种SRS类型中,不同的SRS类型的非周期SRS的资源和/或传输方式是不同的。
例如,不同的SRS类型的SRS资源的数量和/或配置不同。或者,不同的SRS类型对应的天线端口不同、波束不同、和/或传输次数不同等。
可选地,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种。
可选地,第一SRS类型满足以下条件中的至少一种:
所述第一SRS类型的非周期SRS是通过多波束发送的;
所述第一SRS类型的非周期SRS的一次传输是通过单个天线端口发送的;
所述第一SRS类型的非周期SRS的传输次数为多次;以及
所述第一SRS类型的非周期SRS用于确定上行信号的发送波束和/或上行信号的接收波束,例如,终端设备可以采用不同的波束传输SRS信号,网络设备通过检测采用不同波束的SRS信号,找到其中接收质量最好的SRS信号并指示给终端设备。
可选地,终端可以将该最佳SRS信号所用的波束用于其他上行信号的传 输,比如用于上行数据,控制信息的传输或第二SRS类型的非周期SRS的传输。
可选地,用于发送所述第一SRS类型的非周期SRS的多个波束可以是终端设备自己确定的多个波束,也可以是网络侧预先配置给终端设备的多个波束,也可以是网络侧预先配置一个波束集合,终端从中选出的多个波束。
可选地,在第一SRS类型的非周期SRS的传输次数为多次时,不同次的非周期SRS的传输可以采用不同的时域资源单元,这里时域资源单元可以是子帧、时隙、迷你时隙或者正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)符号。
例如,如果网络设备为终端设备预先配置了一个周期性的用于非周期SRS传输的SRS资源,则所述N次传输的非周期SRS可以占用触发之后所述SRS资源中最近的N个资源。
可选地,在第一SRS类型的非周期SRS的传输次数为多次时,不同次的非周期SRS的传输可以采用不同的波束传输,或者采用相同的波束传输,具体可以由网络设备进行配置。
可选地,第二SRS类型满足以下条件中的至少一种:
所述第二SRS类型的非周期SRS是通过单波束发送的;
所述第二SRS类型的非周期SRS的一次传输是通过多个天线端口发送的;
所述第二SRS类型的非周期SRS的传输次数为一次;以及
所述第二SRS类型的非周期SRS用于获得上行信号的调度信息,例如,至少包括秩指示(Rank Indicator,RI)、预编码矩阵索引(Pre-coding Matrix Index,PMI)信道质量指示符(Channel Quality Indicator,CQI)和频率选择性调度信息中的至少一种。
可选地,用于发送所述第二SRS类型的非周期的SRS的单波束为在发送所述第二SRS类型的非周期的SRS之前最后一次接收到的SRS资源指示信息(SRS Resource Indication,SRI)所指示的SRS资源上传输SRS所采用的波束。
具体地,终端设备在接收所述SRI之前,会在包含所述SRI所指示的SRS资源在内的一个SRS资源集合上传输SRS信号,每个SRS资源采用一个波束传输。所述SRI一般通过调度上行数据传输或调度上行控制信息传输 的DCI指示给终端设备。例如,可以通过触发所述非周期SRS的DCI指示给终端。
可选地,用于进行第一SRS类型的SRS资源与用于进行第二SRS类型的SRS资源是不重叠的。
例如,网络设备可以配置5个SRS资源,终端设备可以基于其中一个SRS资源进行第二SRS类型的SRS的传输,此时,该第二SRS类型对应的SRS资源集合包括一个SRS资源。终端设备可以基于其他四个SRS资源进行第一SRS类型的SRS的传输,此时,该第一SRS类型对应的SRS资源集合包括4个SRS资源。
可选地,网络设备预先为不同的SRS类型分别配置天线端口数,或者,网络设备为第二SRS类型配置天线端口数,第一SRS类型采用约定好的固定的天线端口数。
例如,第一SRS类型的SRS传输可以采用固定的单端口传输,第二SRS类型的SRS传输可以采用网络设备配置的天线端口数,可以是1个端口也可以是2、4、8个端口。
可选地,用于不同SRS类型的天线端口可以是不重叠的天线端口。
例如,对于第一SRS类型的SRS传输,采用天线端口{0};对于第二SRS类型的SRS传输,采用天线端口{1}或{1,2}或{1,2,3,4}。或者,对于第一SRS类型的SRS传输,采用天线端口{0}或{0,1};对于第二SRS类型的传输,采用天线端口{2}或{2,3}或{2,3,4,5}。
可选地,对于第一SRS类型,用于传输所述非周期SRS的SRS资源中的不同天线端口采用不同的波束传输SRS;和/或,对于第二SRS类型,用于传输所述非周期SRS的SRS资源中的不同天线端口采用相同的波束传输SRS。
例如,对于两种SRS类型采用同一个SRS资源来传输非周期SRS,该SRS资源有4个天线端口。当非周期SRS的类型为第一SRS类型时,4个端口采用4个不同的波束传输SRS;当非周期SRS的类型为第二SRS类型时,4个端口采用相同的波束来传输SRS。
以上已以终端设备支持的多个SRS类型中的第一SRS类型和第二SRS类型为例,对非周期SRS的传输进行了说明。以下将介绍如何根据触发信令,确定非周期SRS的SRS类型。
在一种实现方式中,根据所述触发信令中的SRS类型指示信息,确定所述SRS类型。
例如,在触发信令中使用1比特指示SRS类型1还是SRS类型2。或者采用比特映射的方式,用2比特分别对应两种SRS类型,如果当前SRS类型被激活,则相应比特配置为0。比如可以用11表示同时激活两种SRS类型的非周期SRS传输。
在一种实现方式中,根据所述触发信令指示的用于发送所述非周期SRS的SRS资源的数量,确定所述非周期SRS的类型。
例如,如果触发信令中指示了预设的N个SRS资源中的一个SRS资源,则终端确定SRS类型为SRS类型1;如果指示了预设的N个SRS资源中的多个SRS资源,则终端确定SRS类型为SRS类型2。其他对应关系也不排除。
在一种实现方式中,根据所述触发信令指示的用于发送所述非周期SRS的SRS资源,确定所述非周期SRS的类型。
例如,网络设备可以配置5个SRS资源,SRS资源1,2,3和4用于SRS类型2的传输,SRS资源5用于SRS类型1的传输。如果触发信令指示的用于非周期SRS的发送的SRS资源为SRS资源2,则可以发送SRS类型2的非周期SRS。
在一种实现方式中,根据所述触发信令指示的用于发送所述非周期SRS的传输次数,确定所述非周期SRS的类型。
例如,如果触发信令中指示了传输次数为多次,则终端确定为SRS类型1;如果触发信令中指示了传输次数为单次,则终端确定为SRS类型2。
在230中,根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式。
可选地,所述确定的传输方式包括以下中的至少一种:
发送所述非周期SRS所采用的波束;
发送所述非周期SRS所采用的波束的数量;
发送所述非周期SRS所采用的天线端口;
发送所述非周期SRS所采用的天线端口的数量;以及
所述非周期SRS的传输次数。
可选地,所述终端设备根据所述SRS类型,从预先配置的SRS资源集 合中,确定所述确定的SRS类型对应的SRS资源集合;从所述确定的SRS类型对应的SRS资源集合中,所述终端设备确定用于发送所述非周期SRS的SRS资源。
具体地,将所述确定的SRS类型对应的SRS资源集合中,所述终端设备接收到所述触发信令之后最近的至少一个SRS资源,确定为用于发送所述非周期的SRS资源。
例如,网络设备预先为第一SRS类型配置N个周期性的用于非周期SRS传输的SRS资源:SRS资源1,SRS资源2,...,SRS资源N。每个SRS资源包括周期,偏移,功率等配置。接收到触发信令后,终端确定当前的SRS类型为第一SRS类型,则所述非周期SRS所用的SRS资源为所述N个SRS资源的每个SRS资源中最近的资源,终端在这确定的N个资源上发送所述非周期SRS。
例如,网络侧预先为第二SRS类型配置一个周期性的用于非周期SRS传输的SRS资源,该SRS资源包括周期,偏移,端口,功率等配置。终端设备接收到触发信令后,确定当前的SRS类型为第二SRS类型,则所述非周期SRS所用的SRS资源为所述SRS资源中最近的资源。
可选地,所述终端设备支持的多个SRS类型中的每个SRS类型配置的SRS资源集合可以是网络设备预先为终端设备配置的。
可选地,所述终端设备根据所述触发信令中携带的SRS资源指示信息,从所述确定的SRS类型对应的SRS资源集合中,确定用于发送所述非周期的SRS资源。
在240中,基于确定的资源和/或确定的传输方式,所述终端设备向所述网络设备发送所述非周期SRS。
图3是根据本申请实施例的无线通信方法300的示意性流程图。该方法300可选地可以应用于图1所示的系统,但并不限于此。如图3所示,该方法300包括以下内容。
在310中,网络设备根据需要所述终端设备发送的非周期SRS的SRS类型,生成触发信令。
可选地,所述非周期SRS的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
可选地,所述多种SRS类型中,所述终端设备发送不同的SRS类型的 非周期SRS的资源和/或传输方式是不同的。
可选地,所述非周期SRS的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种。
可选地,第一SRS类型满足以下条件中的至少一种:
所述第一SRS类型的非周期SRS是通过多波束发送的;
所述第一SRS类型的非周期SRS的一次传输是通过单个天线端口发送的;
所述第一SRS类型的非周期SRS的传输次数为多次;以及
所述第一SRS类型的非周期SRS用于确定上行信号的发送波束和/或上行信号的接收波束。
可选地,第二SRS类型满足以下条件中的至少一种:
所述第二SRS类型的非周期SRS是通过单波束发送的;
所述第二SRS类型的非周期SRS的一次传输是通过多个天线端口发送的;
所述第二SRS类型的非周期SRS的传输次数为一次;以及
所述第二SRS类型的非周期SRS用于获得上行信号的调度信息。
可选地,所述终端设备发送所述第二SRS类型的非周期的SRS的单波束为在接收所述第二SRS类型的非周期SRS之前最后一次发送的SRS资源指示信息SRI所指示的SRS资源上传输SRS所采用的波束。
可选地,根据所述第一SRS类型的非周期SRS,网络设备确定上行信号的发送波束和/或上行信号的接收波束;和/或,根据所述第二SRS类型的非周期SRS,网络设备获得上行信号的调度信息。
在320中,所述网络设备向所述终端设备发送所述触发信令。
可选地,所述触发信令通过下行控制信息或媒体接入控制MAC信令承载。
可选地,所述触发信令携带SRS类型指示信息,用于指示所述非周期SRS的SRS类型。
可选地,所述触发信令携带用于所述终端设备发送所述非周期SRS的SRS资源的数量。
可选地,所述触发信令携带用于所述终端设备发送所述非周期SRS的SRS资源。
可选地,所述触发信令携带所述非周期SRS的传输次数。
在330中,根据所述非周期SRS的SRS类型,所述网络设备确定所述终端设备发送所述非周期SRS的资源和/或传输方式。
可选地,所述确定的传输方式包括以下中的至少一种:
所述终端设备发送所述非周期SRS所采用的波束;
所述终端设备发送所述非周期SRS所采用的波束的数量;
所述终端设备发送所述非周期SRS所采用的天线端口;
所述终端设备发送所述非周期SRS所采用的天线端口的数量;以及
所述终端设备发送所述非周期SRS的传输次数。
可选地,所述网络设备预存储有所述终端设备支持的多个SRS类型中每个SRS类型配置的SRS资源集合;所述终端设备根据所述非周期SRS的SRS类型,从预存储的SRS资源集合中,确定所述非周期SRS的SRS类型对应的SRS资源集合;从所述非周期SRS的SRS类型对应的SRS资源集合中,所述终端设备确定所述终端设备发送所述非周期SRS的SRS资源。
具体地,将所述非周期SRS的SRS类型对应的SRS资源集合中,发送所述触发信令之后最近的至少一个SRS资源,确定为所述终端设备发送所述非周期的SRS资源。
在340中,基于确定的资源和/或确定的传输方式,所述网络设备接收所述终端设备发送的所述非周期SRS。
因此,在本申请实施例中,终端设备可以根据网络设备发送的用于触发非周期SRS的触发信令,确定所述非周期SRS的SRS类型;可以实现终端设备和网络设备之间多种类型的SRS的传输,并且根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式,可以实现不同的SRS类型支持不同的配置,从而可以实现不同场景的SRS需求。
图4是根据本申请实施例的终端设备400的示意性框图。如图4所示,该终端设备400包括处理单元410和收发单元420;其中,
所述收发单元420用于:接收网络设备发送的用于触发非周期探测参考信号SRS的触发信令;
所述处理单元410用于:根据所述触发信令,确定所述非周期SRS的SRS类型;根据确定的SRS类型,确定用于发送所述非周期SRS的资源和/或传输方式;
所述收发单元420进一步用于:基于确定的资源和/或确定的传输方式,向所述网络设备发送所述非周期SRS。
可选地,所述确定的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
可选地,述多种SRS类型中,不同的SRS类型的非周期SRS的资源和/或传输方式是不同的。
可选地,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
其中,所述第一SRS类型的非周期SRS是通过多波束发送的;和/或
所述第二SRS类型的非周期SRS是通过单波束发送的。
可选地,用于发送所述第二SRS类型的非周期的SRS的单波束为在发送所述第二SRS类型的非周期的SRS之前最后一次接收到的SRS资源指示信息SRI所指示的SRS资源上传输SRS所采用的波束。
可选地,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
其中,所述第一SRS类型的非周期SRS的一次传输是通过单个天线端口发送的;和/或,
所述第二SRS类型的非周期SRS的一次传输是通过多个天线端口发送的。
可选地,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;其中,
所述第一SRS类型的非周期SRS的传输次数为多次;和/或
所述第二SRS类型的非周期SRS的传输次数为一次。
可选地,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
所述第一SRS类型的非周期SRS用于确定上行信号的发送波束和/或上行信号的接收波束;和/或
所述第二SRS类型的非周期SRS用于获得上行信号的调度信息。
可选地,所述确定的传输方式包括以下中的至少一种:
发送所述非周期SRS所采用的波束;
发送所述非周期SRS所采用的波束的数量;
发送所述非周期SRS所采用的天线端口;
发送所述非周期SRS所采用的天线端口的数量;以及
所述非周期SRS的传输次数。
可选地,所述处理单元410进一步用于:
根据所述SRS类型,从预先配置的SRS资源集合中,确定所述确定的SRS类型对应的SRS资源集合;
从所述确定的SRS类型对应的SRS资源集合中,确定用于发送所述非周期SRS的SRS资源。
可选地,所述处理单元410进一步用于:
将所述确定的SRS类型对应的SRS资源集合中,接收到所述触发信令之后最近的至少一个SRS资源,确定为用于发送所述非周期的SRS资源。
可选地,所述处理单元410进一步用于:
根据所述触发信令中携带的SRS资源指示信息,从所述确定的SRS类型对应的SRS资源集合中,确定用于发送所述非周期的SRS资源。
可选地,所述收发单元420进一步用于:
接收网络设备预先为所述终端设备支持的多个SRS类型中的每个SRS类型配置的SRS资源集合。
可选地,所述处理单元410进一步用于:
根据所述触发信令中的SRS类型指示信息,确定所述SRS类型。
可选地,所述处理单元410进一步用于:
根据所述触发信令指示的用于发送所述非周期SRS的SRS资源的数量,确定所述非周期SRS的类型。
可选地,所述处理单元410进一步用于:
根据所述触发信令指示的用于发送所述非周期SRS的SRS资源,确定所述非周期SRS的类型。
可选地,所述处理单元410进一步用于:
根据所述触发信令指示的用于发送所述非周期SRS的传输次数,确定所述非周期SRS的类型。
可选地,所述触发信令通过下行控制信息或媒体接入控制MAC信令承载。
应理解,该终端设备400可以对应于方法200中的终端设备,可以实现 该方法200中的终端设备200的相应功能,为了简洁,在此不再赘述。
图5是根据本申请实施例的网络设备500的示意性框图。如图5所示,该网络设备500处理单元510和收发单元520;其中,
所述处理单元510用于:根据需要所述终端设备发送的非周期SRS的SRS类型,生成触发信令;
所述收发单元520用于:向所述终端设备发送所述触发信令;
所述处理单元510进一步用于:根据所述非周期SRS的SRS类型,确定所述终端设备发送所述非周期SRS的资源和/或传输方式;
所述收发单元520进一步用于:基于确定的资源和/或确定的传输方式,接收所述终端设备发送的所述非周期SRS。
可选地,所述非周期SRS的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
可选地,所述多种SRS类型中,所述终端设备发送不同的SRS类型的非周期SRS的资源和/或传输方式是不同的。
可选地,所述确定的传输方式包括以下中的至少一种:
所述终端设备发送所述非周期SRS所采用的波束;
所述终端设备发送所述非周期SRS所采用的波束的数量;
所述终端设备发送所述非周期SRS所采用的天线端口;
所述终端设备发送所述非周期SRS所采用的天线端口的数量;以及
所述终端设备所述非周期SRS的传输次数。
应理解,该网络设备500可以对应于方法500中的网络设备,可以实现该方法300中的终端设备300的相应功能,为了简洁,在此不再赘述。
图6是本申请实施例的系统芯片600的一个示意性结构图。图6的系统芯片600包括输入接口601、输出接口602、所述处理器603以及存储器604之间可以通过内部通信连接线路相连,所述处理器603用于执行所述存储器704中的代码。
可选地,当所述代码被执行时,所述处理器603实现图2所示的方法200中由终端设备执行的方法。为了简洁,在此不再赘述。
可选地,当所述代码被执行时,所述处理器603实现图3所示的方法300中由网络设备执行的方法。为了简洁,在此不再赘述。
图7是根据本申请实施例的通信设备700的示意性框图。如图7所示, 该通信设备700包括处理器710和存储器720。其中,该存储器720可以存储有程序代码,该处理器710可以执行该存储器720中存储的程序代码。
可选地,如图7所示,该通信设备700可以包括收发器730,处理器710可以控制收发器730对外通信。
可选地,该处理器710可以调用存储器720中存储的程序代码,执行图2所示的方法200中的终端设备的相应操作,为了简洁,在此不再赘述。
可选地,该处理器710可以调用存储器720中存储的程序代码,执行图3所示的方法300中的网络设备的相应操作,为了简洁,在此不再赘述。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使 用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应所述以权利要求的保护范围为准。

Claims (46)

  1. 一种无线通信方法,其特征在于,包括:
    终端设备接收网络设备发送的用于触发非周期探测参考信号SRS的触发信令;
    根据所述触发信令,所述终端设备确定所述非周期SRS的SRS类型;
    根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式;
    基于确定的资源和/或确定的传输方式,所述终端设备向所述网络设备发送所述非周期SRS。
  2. 根据权利要求1所述的方法,其特征在于,所述确定的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
  3. 根据权利要求2所述的方法,其特征在于,所述多种SRS类型中,不同的SRS类型的非周期SRS的资源和/或传输方式是不同的。
  4. 根据权利要求3所述的方法,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
    其中,所述第一SRS类型的非周期SRS是通过多波束发送的;和/或
    所述第二SRS类型的非周期SRS是通过单波束发送的。
  5. 根据权利要求4所述的方法,其特征在于,用于发送所述第二SRS类型的非周期的SRS的单波束为在发送所述第二SRS类型的非周期SRS之前最后一次接收到的SRS资源指示信息SRI所指示的SRS资源上传输SRS所采用的波束。
  6. 根据权利要求3至5中任一项所述的方法,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
    其中,所述第一SRS类型的非周期SRS的一次传输是通过单个天线端口发送的;和/或,
    所述第二SRS类型的非周期SRS的一次传输是通过多个天线端口发送的。
  7. 根据权利要求3至6中任一项所述的方法,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;其中,
    所述第一SRS类型的非周期SRS的传输次数为多次;和/或
    所述第二SRS类型的非周期SRS的传输次数为一次。
  8. 根据权利要求2至7中任一项所述的方法,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
    用于传输所述第一SRS类型的非周期SRS的SRS资源中的不同天线端口采用不同的波束传输SRS;和/或,用于传输所述第二SRS类型的非周期SRS的SRS资源中的不同天线端口采用相同的波束传输SRS。
  9. 根据权利要求2至8中任一项所述的方法,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
    所述第一SRS类型的非周期SRS用于确定上行信号的发送波束和/或上行信号的接收波束;和/或
    所述第二SRS类型的非周期SRS用于获得上行信号的调度信息。
  10. 根据权利要求1至9中任一项所述的方法,其特征在于,所述确定的传输方式包括以下中的至少一种:
    发送所述非周期SRS所采用的波束;
    发送所述非周期SRS所采用的波束的数量;
    发送所述非周期SRS所采用的天线端口;
    发送所述非周期SRS所采用的天线端口的数量;以及
    所述非周期SRS的传输次数。
  11. 根据权利要求1至10中任一项所述的方法,其特征在于,所述根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式,包括:
    所述终端设备根据所述SRS类型,从预先配置的SRS资源集合中,确定所述确定的SRS类型对应的SRS资源集合;
    从所述确定的SRS类型对应的SRS资源集合中,所述终端设备确定用于发送所述非周期SRS的SRS资源。
  12. 根据权利要求11所述的方法,其特征在于,所述从所述确定的SRS类型对应的SRS资源集合中,所述终端设备确定用于发送所述非周期SRS的SRS资源,包括:
    将所述确定的SRS类型对应的SRS资源集合中,所述终端设备接收到所述触发信令之后最近的至少一个SRS资源,确定为用于发送所述非周期的SRS资源。
  13. 根据权利要求11所述的方法,其特征在于,所述从所述确定的SRS类型对应的SRS资源集合中,所述终端设备确定用于发送所述非周期SRS的SRS资源,包括:
    所述终端设备根据所述触发信令中携带的SRS资源指示信息,从所述确定的SRS类型对应的SRS资源集合中,确定用于发送所述非周期的SRS资源。
  14. 根据权利要求11至13中任一项所述的方法,其特征在于,所述根据确定的SRS类型,所述终端设备确定用于发送所述非周期SRS的资源和/或传输方式之前,还包括:所述终端设备接收网络设备预先为所述终端设备支持的多个SRS类型中的每个SRS类型配置的SRS资源集合。
  15. 根据权利要求1至14中任一项所述的方法,其特征在于,所述根据所述触发信令,确定所述非周期SRS的SRS类型,包括:
    根据所述触发信令中的SRS类型指示信息,确定所述SRS类型。
  16. 根据权利要求1至15中任一项所述的方法,其特征在于,所述根据所述触发信令,确定所述非周期SRS的SRS类型,包括:
    根据所述触发信令指示的用于发送所述非周期SRS的SRS资源的数量,确定所述非周期SRS的类型。
  17. 根据权利要求1至15中任一项所述的方法,其特征在于,所述根据所述触发信令,确定所述非周期SRS的SRS类型,包括:
    根据所述触发信令指示的用于发送所述非周期SRS的SRS资源,确定所述非周期SRS的类型。
  18. 根据权利要求1至15中任一项所述的方法,其特征在于,所述根据所述触发信令,确定所述非周期SRS的SRS类型,包括:
    根据所述触发信令指示的用于发送所述非周期SRS的传输次数,确定所述非周期SRS的类型。
  19. 根据权利要求1至18中任一项所述的方法,其特征在于,所述触发信令通过下行控制信息或媒体接入控制MAC信令承载。
  20. 一种无线通信方法,其特征在于,包括:
    网络设备根据需要所述终端设备发送的非周期SRS的SRS类型,生成触发信令;
    所述网络设备向所述终端设备发送所述触发信令;
    根据所述非周期SRS的SRS类型,所述网络设备确定所述终端设备发送所述非周期SRS的资源和/或传输方式;
    基于确定的资源和/或确定的传输方式,所述网络设备接收所述终端设备发送的所述非周期SRS。
  21. 根据权利要求20所述的方法,其特征在于,所述非周期SRS的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
  22. 根据权利要求21所述的方法,其特征在于,所述多种SRS类型中,所述终端设备发送不同的SRS类型的非周期SRS的资源和/或传输方式是不同的。
  23. 根据权利要求20至22中任一项所述的方法,其特征在于,所述确定的传输方式包括以下中的至少一种:
    所述终端设备发送所述非周期SRS所采用的波束;
    所述终端设备发送所述非周期SRS所采用的波束的数量;
    所述终端设备发送所述非周期SRS所采用的天线端口;
    所述终端设备发送所述非周期SRS所采用的天线端口的数量;以及
    所述终端设备发送所述非周期SRS的传输次数。
  24. 一种终端设备,其特征在于,包括处理单元和收发单元;其中,
    所述收发单元用于:接收网络设备发送的用于触发非周期探测参考信号SRS的触发信令;
    所述处理单元用于:根据所述触发信令,确定所述非周期SRS的SRS类型;根据确定的SRS类型,确定用于发送所述非周期SRS的资源和/或传输方式;
    所述收发单元进一步用于:基于确定的资源和/或确定的传输方式,向所述网络设备发送所述非周期SRS。
  25. 根据权利要求24所述的终端设备,其特征在于,所述确定的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
  26. 根据权利要求25所述的终端设备,其特征在于,所述多种SRS类型中,不同的SRS类型的非周期SRS的资源和/或传输方式是不同的。
  27. 根据权利要求26所述的终端设备,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
    其中,所述第一SRS类型的非周期SRS是通过多波束发送的;和/或
    所述第二SRS类型的非周期SRS是通过单波束发送的。
  28. 根据权利要求27所述的终端设备,其特征在于,用于发送所述第二SRS类型的非周期的SRS的单波束为在发送所述第二SRS类型的非周期的SRS之前最后一次接收到的SRS资源指示信息SRI所指示的SRS资源上传输SRS所采用的波束。
  29. 根据权利要求26至28中任一项所述的终端设备,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
    其中,所述第一SRS类型的非周期SRS的一次传输是通过单个天线端口发送的;和/或,
    所述第二SRS类型的非周期SRS的一次传输是通过多个天线端口发送的。
  30. 根据权利要求26至29中任一项所述的终端设备,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;其中,
    所述第一SRS类型的非周期SRS的传输次数为多次;和/或
    所述第二SRS类型的非周期SRS的传输次数为一次。
  31. 根据权利要求21至30中任一项所述的终端设备,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
    用于传输所述第一SRS类型的非周期SRS的SRS资源中的不同天线端口采用不同的波束传输SRS;和/或,用于传输所述第二SRS类型的非周期SRS的SRS资源中的不同天线端口采用相同的波束传输SRS。
  32. 根据权利要求25至31中任一项所述的终端设备,其特征在于,所述确定的SRS类型包括所述终端设备支持的第一SRS类型和第二SRS类型中的至少一种;
    所述第一SRS类型的非周期SRS用于确定上行信号的发送波束和/或上行信号的接收波束;和/或
    所述第二SRS类型的非周期SRS用于获得上行信号的调度信息。
  33. 根据权利要求24至32中任一项所述的终端设备,其特征在于,所述确定的传输方式包括以下中的至少一种:
    发送所述非周期SRS所采用的波束;
    发送所述非周期SRS所采用的波束的数量;
    发送所述非周期SRS所采用的天线端口;
    发送所述非周期SRS所采用的天线端口的数量;以及
    所述非周期SRS的传输次数。
  34. 根据权利要求24至33中任一项所述的终端设备,其特征在于,所述处理单元进一步用于:
    根据所述SRS类型,从预先配置的SRS资源集合中,确定所述确定的SRS类型对应的SRS资源集合;
    从所述确定的SRS类型对应的SRS资源集合中,确定用于发送所述非周期SRS的SRS资源。
  35. 根据权利要求34所述的终端设备,其特征在于,所述处理单元进一步用于:
    将所述确定的SRS类型对应的SRS资源集合中,接收到所述触发信令之后最近的至少一个SRS资源,确定为用于发送所述非周期的SRS资源。
  36. 根据权利要求34所述的终端设备,其特征在于,所述处理单元进一步用于:
    根据所述触发信令中携带的SRS资源指示信息,从所述确定的SRS类型对应的SRS资源集合中,确定用于发送所述非周期的SRS资源。
  37. 根据权利要求34至36中任一项所述的终端设备,其特征在于,所述收发单元进一步用于:
    接收网络设备预先为所述终端设备支持的多个SRS类型中的每个SRS类型配置的SRS资源集合。
  38. 根据权利要求24至37中任一项所述的终端设备,其特征在于,所述处理单元进一步用于:
    根据所述触发信令中的SRS类型指示信息,确定所述SRS类型。
  39. 根据权利要求24至38中任一项所述的终端设备,其特征在于,所述处理单元进一步用于:
    根据所述触发信令指示的用于发送所述非周期SRS的SRS资源的数量,确定所述非周期SRS的类型。
  40. 根据权利要求24至38中任一项所述的终端设备,其特征在于,所述处理单元进一步用于:
    根据所述触发信令指示的用于发送所述非周期SRS的SRS资源,确定所述非周期SRS的类型。
  41. 根据权利要求24至38中任一项所述的终端设备,其特征在于,所述处理单元进一步用于:
    根据所述触发信令指示的用于发送所述非周期SRS的传输次数,确定所述非周期SRS的类型。
  42. 根据权利要求24至41中任一项所述的终端设备,其特征在于,所述触发信令通过下行控制信息或媒体接入控制MAC信令承载。
  43. 一种网络设备,其特征在于,包括处理单元和收发单元;其中,
    所述处理单元用于:根据需要所述终端设备发送的非周期SRS的SRS类型,生成触发信令;
    所述收发单元用于:向所述终端设备发送所述触发信令;
    所述处理单元进一步用于:根据所述非周期SRS的SRS类型,确定所述终端设备发送所述非周期SRS的资源和/或传输方式;
    所述收发单元进一步用于:基于确定的资源和/或确定的传输方式,接收所述终端设备发送的所述非周期SRS。
  44. 根据权利要求43所述的网络设备,其特征在于,所述非周期SRS的SRS类型包括所述终端设备支持的多种SRS类型的至少一种。
  45. 根据权利要求44所述的网络设备,其特征在于,所述多种SRS类型中,所述终端设备发送不同的SRS类型的非周期SRS的资源和/或传输方式是不同的。
  46. 根据权利要求43至45中任一项所述的网络设备,其特征在于,所述确定的传输方式包括以下中的至少一种:
    所述终端设备发送所述非周期SRS所采用的波束;
    所述终端设备发送所述非周期SRS所采用的波束的数量;
    所述终端设备发送所述非周期SRS所采用的天线端口;
    所述终端设备发送所述非周期SRS所采用的天线端口的数量;以及
    所述终端设备发送所述非周期SRS的传输次数。
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CN105634710A (zh) * 2016-01-20 2016-06-01 宇龙计算机通信科技(深圳)有限公司 Srs发送方法、srs发送装置和终端

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US20200186303A1 (en) * 2017-06-16 2020-06-11 Qualcomm Incorporated Frequency selective uplink precoding for new radio
US11606123B2 (en) * 2017-06-16 2023-03-14 Qualcomm Incorporated Frequency selective uplink precoding for new radio
JP2022505472A (ja) * 2018-10-26 2022-01-14 テレフオンアクチーボラゲット エルエム エリクソン(パブル) 暗黙的サウンディング参照信号非周期的トリガリングオフセット
CN111132319A (zh) * 2018-10-31 2020-05-08 中国移动通信有限公司研究院 一种数据传输方法、网络设备、终端和存储介质
CN111132319B (zh) * 2018-10-31 2022-08-23 中国移动通信有限公司研究院 一种数据传输方法、网络设备、终端和存储介质
TWI822921B (zh) * 2018-12-20 2023-11-21 美商高通公司 用於在額外的srs符號上的非週期性srs的rrc配置的方法和裝置
WO2022028501A1 (zh) * 2020-08-07 2022-02-10 大唐移动通信设备有限公司 一种信号传输方法、装置及存储介质
CN114070528A (zh) * 2020-08-07 2022-02-18 大唐移动通信设备有限公司 一种信号传输方法、装置及存储介质

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