WO2021232208A1 - Procédé et appareil de configuration de signal srs, ainsi que dispositif de réseau et dispositif terminal - Google Patents

Procédé et appareil de configuration de signal srs, ainsi que dispositif de réseau et dispositif terminal Download PDF

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Publication number
WO2021232208A1
WO2021232208A1 PCT/CN2020/090906 CN2020090906W WO2021232208A1 WO 2021232208 A1 WO2021232208 A1 WO 2021232208A1 CN 2020090906 W CN2020090906 W CN 2020090906W WO 2021232208 A1 WO2021232208 A1 WO 2021232208A1
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WO
WIPO (PCT)
Prior art keywords
srs
scs
srs period
dormant bwp
terminal device
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PCT/CN2020/090906
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English (en)
Chinese (zh)
Inventor
王淑坤
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.)
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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 CN202080100315.7A priority Critical patent/CN115516799B/zh
Priority to PCT/CN2020/090906 priority patent/WO2021232208A1/fr
Publication of WO2021232208A1 publication Critical patent/WO2021232208A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of mobile communication technologies, and specifically relate to an SRS configuration method and device, network equipment, and terminal equipment.
  • a mechanism similar to the dormant state needs to be introduced.
  • it can be considered to configure a dormant bandwidth part (dormant Band Width Part, dormant BWP) for the SCell, and the terminal device enters the dormant BWP on the SCell, that is, enters the dormancy (dormancy) behavior.
  • dormant bandwidth part (dormant Band Width Part, dormant BWP) for the SCell, and the terminal device enters the dormant BWP on the SCell, that is, enters the dormancy (dormancy) behavior.
  • the terminal device can send a sounding reference signal (Sounding Reference Signal, SRS) on the dormant BWP, and how to configure the SRS configuration of the dormant BWP needs to be clear.
  • SRS Sounding Reference Signal
  • the embodiments of the present application provide an SRS configuration method and device, network equipment, and terminal equipment.
  • the network device sends first configuration information to the terminal device.
  • the first configuration information is used to determine the SRS configuration of the Dormant BWP.
  • the SRS configuration includes a first SRS period.
  • the dormant BWP sends SRS periodically.
  • the terminal device receives first configuration information sent by the network device, where the first configuration information is used to determine the SRS configuration of the Dormant BWP, the SRS configuration includes a first SRS period, and the first SRS period is used by the terminal device in The Dormant BWP periodically sends the SRS.
  • the SRS configuration device provided in the embodiment of the present application is applied to network equipment, and the device includes:
  • the sending unit is configured to send first configuration information to the terminal device, where the first configuration information is used to determine the SRS configuration of the Dormant BWP, the SRS configuration includes a first SRS period, and the first SRS period is used for the terminal
  • the device periodically sends the SRS on the dormant BWP.
  • the SRS configuration device provided in the embodiment of the present application is applied to terminal equipment, and the device includes:
  • the receiving unit is configured to receive first configuration information sent by a network device, where the first configuration information is used to determine a Dormant BWP SRS configuration, the SRS configuration includes a first SRS period, and the first SRS period is used for the The terminal device periodically sends the SRS on the dormant BWP.
  • the network device provided by the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned SRS configuration method.
  • the terminal device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned SRS configuration method.
  • the chip provided in the embodiment of the present application is used to implement the above-mentioned SRS configuration method.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned SRS configuration method.
  • the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program, and the computer program enables a computer to execute the above-mentioned SRS configuration method.
  • the computer program product provided by the embodiment of the present application includes computer program instructions that cause the computer to execute the above-mentioned SRS configuration method.
  • the computer program provided in the embodiment of the present application when it runs on a computer, causes the computer to execute the above-mentioned SRS configuration method.
  • the network device configures the terminal device with the SRS configuration of the Dormant BWP, where the SRS configuration includes the first SRS period. In this way, the terminal device can periodically send the SRS on the Dormant BWP based on the first SRS period.
  • the network device is constrained to configure the first SRS period of the Dormant BWP, so that the terminal device can implement SRS transmission on the Dormant BWP, and at the same time, the purpose of saving power for the terminal device can be achieved through the first SRS period of the restriction.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG 2-1 is a schematic diagram 1 of the BWP provided by an embodiment of the application.
  • Figure 2-2 is the second schematic diagram of the BWP provided by the embodiment of the application.
  • FIG. 2-3 is the third schematic diagram of the BWP provided by the embodiment of the application.
  • FIG. 3 is a schematic flowchart of an SRS configuration method provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram 1 of the structural composition of an SRS configuration device provided by an embodiment of the present application.
  • FIG. 5 is a second structural composition diagram of an SRS configuration device provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a chip of an embodiment of the present application.
  • Fig. 8 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • 5G communication system or future communication system etc.
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB, or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via a wired line, such as via a public switched telephone network (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM A broadcast transmitter; and/or a device of another terminal configured to receive/send communication signals; and/or an Internet of Things (IoT) device.
  • PSTN public switched telephone network
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscribe
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminals 120.
  • the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
  • the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • 5G Enhanced Mobile Broadband
  • URLLC Ultra-Reliable Low-Latency Communications
  • mMTC Massive Machine-Type Communications
  • eMBB still targets users to obtain multimedia content, services and data, and its demand is growing very rapidly.
  • eMBB may be deployed in different scenarios, such as indoors, urban areas, rural areas, etc., its capabilities and requirements are also quite different, so it cannot be generalized and must be analyzed in detail in conjunction with specific deployment scenarios.
  • Typical applications of URLLC include: industrial automation, power automation, telemedicine operations (surgery), traffic safety protection, etc.
  • Typical features of mMTC include: high connection density, small data volume, delay-insensitive services, low-cost modules and long service life.
  • NR In the early deployment of NR, complete NR coverage is difficult to obtain, so the typical network coverage is wide-area LTE coverage and NR island coverage mode. Moreover, a large amount of LTE is deployed below 6GHz, and there is very little spectrum below 6GHz that can be used for 5G. Therefore, NR must study the spectrum application above 6GHz, and the high frequency band has limited coverage and fast signal fading. At the same time, in order to protect mobile operators' early investment in LTE, a tight interworking mode between LTE and NR is proposed.
  • the maximum channel bandwidth can be 400MHZ (called a wideband carrier).
  • the bandwidth of a wideband carrier is very large. If the terminal device keeps working on a broadband carrier, the power consumption of the terminal device is very large. Therefore, it is recommended that the radio frequency (RF) bandwidth of the terminal device can be adjusted according to the actual throughput of the terminal device. For this reason, the concept of Band Width Part (BWP) is introduced.
  • BWP Band Width Part
  • the motivation of BWP is to optimize the power consumption of terminal devices. For example, if the rate of the terminal device is very low, you can configure the terminal device with a smaller BWP (as shown in Figure 2-1).
  • BWP bandwidth
  • BWP2 corresponds to numerology2.
  • the terminal device in the idle or inactive state resides on the initial BWP (initial BWP).
  • the initial BWP is visible to the terminal device in the idle or inactive state.
  • the terminal device can obtain the master information block (Master Information) from the initial BWP. Block, MIB), remaining minimum system information (Remaining Minimum System Information, RMSI), other system information (Other System Information, OSI), and paging (paging) information.
  • a terminal can be configured with up to 4 uplink BWPs and up to 4 downlink BWPs through dedicated radio resource control (Radio Resource Control, RRC) signaling, but there can only be one uplink BWP and downlink BWP at the same time Activated.
  • RRC dedicated signaling it can indicate the first activated BWP among the configured BWPs.
  • DCI Downlink Control Information
  • the first activated BWP is the first activated BWP configured in the RRC dedicated signaling.
  • the configuration parameters of each BWP include:
  • PRB Physical resource block
  • BWP common configuration parameters (bwp-Common) and BWP dedicated configuration parameters (bwp-Dedicated).
  • Radio Link Monitoring Radio Link Monitor, RLM
  • the terminal device In the process of radio link monitoring (Radio Link Monitor, RLM), the terminal device is only executed on the activated BWP, the inactive BWP does not need to be operated, and when switching between different BWPs, it does not need to be reset.
  • RLM related timers and counters.
  • Radio resource management Radio Resource Management, RRM
  • no matter which active BWP the terminal device transmits and receives data on it does not affect the RRM measurement.
  • channel quality indication Channel Quality Indication, CQI
  • the terminal device also only needs to perform the measurement on the activated BWP.
  • the initial first activated BWP is the first configured in RRC dedicated signaling BWP activated.
  • the value of the BWP identifier (BWP id) in the RRC dedicated signaling is 0 to 4, and the BWP with the BWP identifier of 0 is the initial BWP by default.
  • the state of the SCell is divided into an activated state, a deactivated state, and a dormant state.
  • an activated state In order to activate the SCell quickly and reduce the activation delay of the SCell in NR, it is decided to introduce the dormancy behavior of the SCell.
  • the dormancy behavior is different from the sleep state and belongs to the activated state.
  • the SCell dormancy behavior in NR is implemented through the dormant BWP, which is a dedicated downlink BWP configured through RRC dedicated signaling.
  • the terminal device does not monitor the physical downlink control channel (PDCCH) on the dormant BWP. However, it performs channel state information (Channel State Information, CSI) measurement and reporting, AGC and beam management, etc.
  • CSI Channel State Information
  • terminal equipment For the downlink, terminal equipment does not perform PDCCH and Physical Downlink Shared Channel (PDSCH) reception on the Dormant BWP. This needs to be done by not configuring PDCCH resources, PDSCH resources and Semi-Persistent Scheduling (Semi-Persistent Scheduling) on the Dormant BWP. Scheduling, SPS) resources to achieve. However, it is required to implement CSI measurement, beam management, beam failure detection (BFD) and beam failure recovery (BFR) on the dormant BWP.
  • CSI measurement, beam management, beam failure detection (BFD) and beam failure recovery (BFR) beam failure recovery
  • the channel state information reference signal (Channel State Information-Reference Signal, CSI-RS) configuration
  • the transmission configuration indication state Transmission Configuration Indication-state, TCI-state
  • the BFD-RS and BFR related configurations can be configured on the dormant BWP. Configure to configure.
  • CSI report The types of CSI report (CSI report) are divided into periodic CSI report, semi-continuous CSI report, and aperiodic CSI report.
  • any CSI report type can be sent in an SCell with non-dormant behavior.
  • aperiodic CSI reporting will cause the terminal device to charge electricity, when the terminal device enters the dormant BWP of the SCell, aperiodic CSI reporting is not supported.
  • the terminal device enters the dormant BWP on the SCell, that is, enters the dormancy behavior. Leaving the dormant BWP means leaving the dormancy behavior and entering the data receiving and sending state. This process is achieved through the BWP handover process.
  • the network side can configure different SCell groups through dedicated signaling. All SCells belonging to one SCell group share one network side dormancy indication information, and the network side issues dormancy indication information through DCI.
  • the network side can also issue dormancy indication information for each SCell through DCI.
  • the dormancy behavior is part of the activation state, and the SCell with the dormancy behavior can be inactivated through the activation/deactivation MAC CE command.
  • the activation/deactivation MAC CE can also instruct the SCell in the deactivated state to enter the activated state, and further, the SCell that enters the activated state will first enter the initial activated BWP configured by the RRC (that is, the BWP indicated by the firstActiveDownlinkBWP-Id).
  • Dormant BWP can support SRS transmission. Considering the purpose of saving power for terminal equipment, it is expected that Dormant BWP supports long-period SRS transmission. According to the different SCS configured by the dormant BWP, the configurable SRS period of the dormant BWP is different, so how to configure the SRS configuration of the dormant BWP is a clear question. To this end, the following technical solutions of the embodiments of the present application are proposed.
  • FIG. 3 is a schematic flowchart of the SRS configuration method provided by an embodiment of the present application. As shown in FIG. 3, the SRS configuration method includes the following steps:
  • Step 301 The network device sends first configuration information to the terminal device, where the first configuration information is used to determine the SRS configuration of the Dormant BWP, the SRS configuration includes a first SRS period, and the first SRS period is used for the terminal The device periodically sends the SRS on the dormant BWP.
  • the network device sends the first configuration information to the terminal device, and correspondingly, the terminal device receives the first configuration information sent by the network device.
  • the network device may be a base station, such as a gNB.
  • the first configuration information is used to determine the SRS configuration of the dormant BWP, and the SRS configuration includes the first SRS period, and the first SRS period is used for the terminal device to cycle on the dormant BWP Send SRS.
  • the terminal device may determine the SRS configuration based on the first configuration information.
  • the content of the SRS configuration includes at least the first SRS period, and the terminal device is on the dormant BWP according to the first SRS period. SRS is sent periodically.
  • the configuration information of the SRS period can be referred to as shown in Table 2 below.
  • the SRS period is configured according to the number of slots, for example, SI80 represents the SRS period is 80 time slots, and SI160 represents the SRS period is 160 time slots.
  • the SCS configured by the dormant BWP is determined based on a first SCS set, and the first SCS set includes at least one candidate SCS of the dormant BWP.
  • the network device determines a first SCS set, and the first SCS set includes at least one candidate SCS of the Dormant BWP; the network device selects one candidate SCS from the first SCS set, and compares all SCS candidates.
  • the one candidate SCS is configured as the SCS of the Dormant BWP.
  • the first SCS set is determined based on a protocol.
  • the configurable SCS (ie, candidate SCS) is restricted to one or more fixed ones, and one or more candidate SRSs form a first SCS set.
  • one or more candidate SRSs are stipulated by a protocol.
  • the first SCS set includes 15kHz subcarrier spacing and 30kHz subcarrier spacing, that is, for dormant BWP, the configurable SCS can only be 15kHz subcarrier spacing or 30kHz subcarrier spacing.
  • different SCSs correspond to different timeslot lengths.
  • the timeslot length corresponding to the 15kHz subcarrier interval is 1ms
  • the timeslot length corresponding to the 30kHz subcarrier interval is 0.5ms.
  • the SRS cycle is configured according to the number of time slots (refer to Table 1 above)
  • different SCSs correspond to different time slot lengths. Therefore, it is improper to configure the SRS cycle according to the number of time slots. For this reason, it is necessary to pass the SRS cycle
  • the absolute time is expressed. Refer to Table 3 below. Table 3 shows the absolute time corresponding to various SRS periods (such as SI80 to SI2560) under different SCS configurations:
  • ⁇ f represents SCS, Indicates the number of slots included in a subframe.
  • one subframe is 1ms.
  • the network device can configure the first SRS period for the Dormant BWP in any of the following ways.
  • the first SRS period is selected from a first SRS period set, and the first SRS period set is the first SCS set or an SRS period set corresponding to each SCS in the first SCS set.
  • the network device determines the first SCS set or the first SRS period set corresponding to each SCS in the first SCS set, and selects the first SRS period from the first SRS period set.
  • the first SRS period set is determined based on a protocol.
  • the protocol specifies the first SRS period set corresponding to the first SCS set, and when configuring the SRS period for the terminal device, the network device selects an appropriate SRS period from the first SRS period set for configuration. For example, the network device selects an SRS period greater than or equal to the first absolute time threshold from the first SRS period set.
  • the first absolute time threshold is, for example, 100 ms.
  • the protocol specifies the SRS period set corresponding to each SCS in the first SCS set.
  • the SRS period sets corresponding to all SCSs form the first SRS period set.
  • the network device configures the SRS period for the terminal device , Select an appropriate SRS period from the first SRS period set for configuration. For example, the network device selects an SRS period greater than or equal to the first absolute time threshold from the first SRS period set.
  • the first absolute time threshold is, for example, 100 ms.
  • the first SRS period is selected from a second SRS period set, and the second SRS period set is an SRS period set corresponding to the SCS configured by the dormant BWP.
  • the network device determines a second SRS period set corresponding to the SCS configured by the dormant BWP, and selects the first SRS period from the second SRS period set.
  • the second SRS period set includes one or more SRS periods supported by the SCS configured by the dormant BWP.
  • the protocol specifies the SRS period set corresponding to each SCS in the first SCS set.
  • the network device configures the SCS according to the Dormant BWP, and the second SRS corresponding to the SCS Select the appropriate SRS period from the SRS period set for configuration. For example, the network device selects an SRS period greater than or equal to the first absolute time threshold from the second SRS period set.
  • the first absolute time threshold is, for example, 100 ms.
  • the first SRS period is selected from the third SRS period set corresponding to the FR1; or, if the dormant BWP belongs to the first frequency range If the frequency range is two (Frequency Range 2, FR2), the first SRS period is selected from the fourth SRS period set corresponding to FR2.
  • the network device determines whether the Dormant BWP belongs to FR1 or FR2; A) If the Dormant BWP belongs to FR1, the network device selects the first SRS from the third SRS period set corresponding to the FR1 Period; or, B) If the dormant BWP belongs to FR2, the network device selects the first SRS period from the fourth SRS period set corresponding to the FR2.
  • the third SRS period set and the fourth SRS period set are determined based on a protocol.
  • the protocol specifies a third SRS period set corresponding to FR1 and a fourth SRS period set corresponding to FR2.
  • the third SRS period set corresponding to FR1 includes: ⁇ sl320, sl640, sl1280, sl2560 ⁇
  • the fourth SRS period set corresponding to FR2 includes: ⁇ sl1280, sl2560 ⁇ .
  • the network device determines whether the FR to which the dormant BWP belongs is FR1 or FR2. If the FR to which the dormant BWP belongs is FR1, a suitable SRS period is selected from the third SRS period set corresponding to FR1 for configuration. For example, the network device selects an SRS period greater than or equal to the first absolute time threshold from the third SRS period set. If the FR to which the dormant BWP belongs is FR2, a suitable SRS period is selected from the fourth SRS period set corresponding to FR2 for configuration. For example, the network device selects an SRS period greater than or equal to the first absolute time threshold from the fourth SRS period set.
  • the first absolute time threshold is, for example, 100 ms.
  • the network device determines the first SRS period based on a first absolute time threshold, where the absolute duration of the first SRS period is greater than or equal to the first absolute time threshold.
  • the first absolute time threshold is determined based on a protocol.
  • the first absolute time threshold is 100 ms. It should be noted that the first absolute time threshold may also be other absolute time values greater than 100 ms or less than 100 ms.
  • Method 4 is to restrict the configuration of the first SRS period by the network device through the first absolute time threshold.
  • mode 1 to mode 4 can be implemented separately, or the above-mentioned mode 4 can also be implemented in combination with the above-mentioned mode 1, or mode 2, or mode 3.
  • the terminal device may also report some configuration information that it expects to the network device, which is called auxiliary information, according to its own activation delay requirement and energy saving requirement of the SCell.
  • auxiliary information includes at least one of the following: SRS period expected by the terminal device, comb information of the SRS frequency domain expected by the terminal device, and bandwidth of the dormant BWP expected by the terminal device The SCS of the Dormant BWP expected by the terminal device.
  • the terminal device sends auxiliary information to the network device.
  • the network device receives the auxiliary information sent by the terminal device, and determines the SRS configuration and/or BWP configuration of the Dormant BWP based on the auxiliary information.
  • the technical solution of the embodiment of the present application provides a solution for restricting the configuration of the SRS period in the Dormant BWP, so that SRS transmission is supported on the Dormant BWP, and at the same time, it can be ensured that the configured SRS period meets the purpose of power saving of the terminal device.
  • Fig. 4 is a schematic diagram 1 of the structural composition of an SRS configuration apparatus provided by an embodiment of the present application, which is applied to network equipment.
  • the SRS configuration apparatus includes:
  • the sending unit 401 is configured to send first configuration information to a terminal device, where the first configuration information is used to determine the SRS configuration of the Dormant BWP, the SRS configuration includes a first SRS period, and the first SRS period is used for the The terminal device periodically sends the SRS on the dormant BWP.
  • the device further includes:
  • the determining unit 402 is configured to determine a first SCS set, where the first SCS set includes at least one candidate SCS of the Dormant BWP; select one candidate SCS from the first SCS set, and configure the one candidate SCS It is the SCS of the Dormant BWP.
  • the first SCS set is determined based on a protocol.
  • the determining unit 402 is further configured to determine the first SRS set or the first SRS period set corresponding to each SCS in the first SCS set, from the first SRS period set Select the first SRS period in.
  • the first SRS period set is determined based on a protocol.
  • the determining unit 402 is further configured to determine a second SRS period set corresponding to the SCS configured by the dormant BWP, and select the first SRS period from the second SRS period set.
  • the second SRS period set includes one or more SRS periods supported by the SCS configured by the dormant BWP.
  • the device further includes:
  • the determining unit 402 is configured to determine whether the dormant BWP belongs to the first frequency band range FR1 or the second frequency band range FR2; if the dormant BWP belongs to FR1, the network device selects from the third SRS period set corresponding to the FR1 The first SRS period; or, if the dormant BWP belongs to FR2, the network device selects the first SRS period from the fourth SRS period set corresponding to the FR2.
  • the third SRS period set and the fourth SRS period set are determined based on a protocol.
  • the apparatus further includes: a determining unit 402, configured to determine the first SRS period based on a first absolute time threshold, wherein the absolute duration of the first SRS period is greater than or equal to the first SRS period An absolute time threshold.
  • the first absolute time threshold is determined based on a protocol.
  • the device further includes:
  • the receiving unit 403 is configured to receive auxiliary information sent by the terminal device
  • the determining unit 402 is configured to determine the SRS configuration and/or BWP configuration of the Dormant BWP based on the auxiliary information.
  • the auxiliary information includes at least one of the following: SRS period expected by the terminal device, comb information of the SRS frequency domain expected by the terminal device, and bandwidth of the dormant BWP expected by the terminal device The SCS of the Dormant BWP expected by the terminal device.
  • FIG. 5 is a schematic diagram of the second structural composition of an SRS configuration apparatus provided by an embodiment of the present application, which is applied to a terminal device.
  • the SRS configuration apparatus includes:
  • the receiving unit 501 is configured to receive first configuration information sent by a network device, where the first configuration information is used to determine a Dormant BWP SRS configuration, the SRS configuration includes a first SRS period, and the first SRS period is used for all
  • the terminal device periodically sends the SRS on the dormant BWP.
  • the SCS configured by the dormant BWP is determined based on a first SCS set, and the first SCS set includes at least one candidate SCS of the dormant BWP.
  • the first SCS set is determined based on a protocol.
  • the first SRS period is selected from a first SRS period set, and the first SRS period set is the first SCS set or each SCS in the first SCS set corresponds to SRS period collection.
  • the first SRS period set is determined based on a protocol.
  • the first SRS period is selected from a second SRS period set, and the second SRS period set is an SRS period set corresponding to the SCS configured by the dormant BWP.
  • the second SRS period set includes one or more SRS periods supported by the SCS configured by the dormant BWP.
  • the first SRS period is selected from the third SRS period set corresponding to FR1; or,
  • the first SRS period is selected from the fourth SRS period set corresponding to the FR2.
  • the third SRS period set and the fourth SRS period set are determined based on a protocol.
  • the absolute duration of the first SRS period is greater than or equal to a first absolute time threshold.
  • the first absolute time threshold is determined based on a protocol.
  • the device further includes:
  • the sending unit 502 is configured to send auxiliary information to the network device, where the auxiliary information is used by the network device to determine the SRS configuration and/or BWP configuration of the Dormant BWP.
  • the auxiliary information includes at least one of the following: SRS period expected by the terminal device, comb information of the SRS frequency domain expected by the terminal device, and bandwidth of the dormant BWP expected by the terminal device The SCS of the Dormant BWP expected by the terminal device.
  • FIG. 6 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device may be a terminal device or a network device.
  • the communication device 600 shown in FIG. 6 includes a processor 610, and the processor 610 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 600 may specifically be a network device of an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, it will not be repeated here. .
  • the communication device 600 may specifically be a mobile terminal/terminal device of an embodiment of the application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the application. For the sake of brevity , I won’t repeat it here.
  • FIG. 7 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 700 shown in FIG. 7 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system-on-chips, system-on-chips, or system-on-chips.
  • FIG. 8 is a schematic block diagram of a communication system 800 provided by an embodiment of the present application. As shown in FIG. 8, the communication system 800 includes a terminal device 810 and a network device 820.
  • the terminal device 810 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 820 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is to say, the memory in the embodiments of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the embodiments of the present application also provide a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application , For the sake of brevity, I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method can be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • 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, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, 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 used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes. .

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention porte, selon des modes de réalisation, sur un procédé et sur un appareil de configuration de signal SRS, ainsi que sur un dispositif de réseau et sur un dispositif terminal. Le procédé comprend les étapes suivantes : un dispositif de réseau envoie des premières informations de configuration à un dispositif terminal, les premières informations de configuration étant utilisées pour déterminer une configuration de signal SRS d'une partie de largeur de bande dormante (BWP), la configuration de signal SRS comprenant une première période de signal SRS et la première période de signal SRS étant utilisée pour envoyer périodiquement un signal SRS sur la partie BWP dormante au moyen du dispositif terminal.
PCT/CN2020/090906 2020-05-18 2020-05-18 Procédé et appareil de configuration de signal srs, ainsi que dispositif de réseau et dispositif terminal WO2021232208A1 (fr)

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CN202080100315.7A CN115516799B (zh) 2020-05-18 2020-05-18 一种srs的配置方法及装置、网络设备、终端设备
PCT/CN2020/090906 WO2021232208A1 (fr) 2020-05-18 2020-05-18 Procédé et appareil de configuration de signal srs, ainsi que dispositif de réseau et dispositif terminal

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