WO2023206234A1 - Procédé et appareil de configuration pour signal de référence de mesure, et dispositif terminal et dispositif de réseau - Google Patents

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

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Publication number
WO2023206234A1
WO2023206234A1 PCT/CN2022/089902 CN2022089902W WO2023206234A1 WO 2023206234 A1 WO2023206234 A1 WO 2023206234A1 CN 2022089902 W CN2022089902 W CN 2022089902W WO 2023206234 A1 WO2023206234 A1 WO 2023206234A1
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configuration information
bandwidth
rbs
reference signal
subcarrier spacing
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PCT/CN2022/089902
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English (en)
Chinese (zh)
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贺传峰
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Oppo广东移动通信有限公司
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Priority to PCT/CN2022/089902 priority Critical patent/WO2023206234A1/fr
Publication of WO2023206234A1 publication Critical patent/WO2023206234A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and specifically relate to a configuration method and device for measuring reference signals, terminal equipment, and network equipment.
  • the reference signal used for Radio Resource Management (RRM) measurement (hereinafter referred to as the measurement reference signal) has a certain bandwidth, and the terminal device needs to perform RRM measurements based on the bandwidth range of the measurement reference signal.
  • RRM Radio Resource Management
  • Embodiments of the present application provide a configuration method and device for measuring reference signals, terminal equipment, network equipment, chips, computer-readable storage media, computer program products, and computer programs.
  • the terminal device receives first configuration information sent by the network device.
  • the first configuration information is configuration information exclusive to the low-capability terminal device.
  • the first configuration information is used to configure resource blocks (Resources) corresponding to frequency domain resources of the measurement reference signal. Block, RB) number and/or subcarrier spacing;
  • the number of RBs and/or the subcarrier spacing configured in the first configuration information satisfy the following conditions: the bandwidth corresponding to the frequency domain resource of the measurement reference signal is less than or equal to the first bandwidth, and the measurement reference signal
  • the bandwidth corresponding to the frequency domain resource is determined based on the number of RBs configured in the first configuration information and/or the subcarrier spacing.
  • the first bandwidth is the maximum bandwidth supported by the terminal device or is the maximum bandwidth supported by the terminal device.
  • the network device sends first configuration information to the terminal device.
  • the first configuration information is configuration information exclusive to the low-capability terminal device.
  • the first configuration information is used to configure the number of RBs corresponding to the frequency domain resources of the measurement reference signal and/or or subcarrier spacing;
  • the configuration device for measuring reference signals provided by the embodiment of the present application is applied to terminal equipment, and the device includes:
  • a receiving unit configured to receive first configuration information sent by the network device.
  • the first configuration information is configuration information exclusive to low-capability terminal equipment.
  • the first configuration information is used to configure the RB corresponding to the frequency domain resource of the measurement reference signal. Number and/or subcarrier spacing;
  • the number of RBs and/or the subcarrier spacing configured in the first configuration information satisfy the following conditions: the bandwidth corresponding to the frequency domain resource of the measurement reference signal is less than or equal to the first bandwidth, and the measurement reference signal
  • the bandwidth corresponding to the frequency domain resource is determined based on the number of RBs configured in the first configuration information and/or the subcarrier spacing.
  • the first bandwidth is the maximum bandwidth supported by the terminal device or is the maximum bandwidth supported by the terminal device.
  • the configuration device for measuring reference signals provided by the embodiment of the present application is applied to network equipment.
  • the device includes:
  • a sending unit configured to send first configuration information to the terminal device.
  • the first configuration information is configuration information exclusive to the low-capability terminal device.
  • the first configuration information is used to configure RBs corresponding to the frequency domain resources of the measurement reference signal. number and/or subcarrier spacing;
  • the terminal 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 perform the above-mentioned configuration method of measuring reference signals.
  • 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 perform the above-mentioned configuration method of measuring reference signals.
  • the chip provided by the embodiment of the present application is used to implement the above-mentioned configuration method of the measurement reference signal.
  • the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program.
  • the computer program causes the computer to execute the above-mentioned configuration method of measuring reference signals.
  • the computer program product provided by the embodiment of the present application includes computer program instructions, which cause the computer to execute the above-mentioned configuration method of measuring reference signals.
  • the computer program provided by the embodiment of the present application when run on a computer, causes the computer to perform the above-mentioned configuration method of measuring reference signals.
  • the network device configures exclusive first configuration information for low-capability terminal equipment.
  • the number of RBs and/or subcarrier spacing configured through the first configuration information can satisfy the requirement that the bandwidth corresponding to the frequency domain resource of the measurement reference signal is less than It is equal to the maximum bandwidth supported by the terminal device or the bandwidth corresponding to the BWP in which the terminal device works. In this way, the RRM measurement of the measurement reference signal by the terminal device can be successfully implemented.
  • Figure 1 is a schematic diagram of an application scenario according to the embodiment of the present application.
  • Figure 2 is a schematic diagram of an SSB burst set according to an embodiment of the present application
  • Figure 3 is a schematic flowchart of a method for configuring a measurement reference signal provided by an embodiment of the present application
  • Figure 4 is a schematic structural diagram of a configuration device for measuring reference signals provided by an embodiment of the present application.
  • Figure 5 is a schematic structural diagram of another configuration device for measuring reference signals provided by an embodiment of the present application.
  • Figure 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • Figure 7 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • Figure 8 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • Figure 1 is a schematic diagram of an application scenario according to the embodiment of the present application.
  • the communication system 100 may include a terminal device 110 and a network device 120 .
  • the network device 120 may communicate with the terminal device 110 through the air interface. Multi-service transmission is supported between the terminal device 110 and the network device 120.
  • LTE Long Term Evolution
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • IoT Internet of Things
  • NB-IoT Narrow Band Internet of Things
  • eMTC enhanced Machine-Type Communications
  • 5G communication system also known as New Radio (NR) communication system
  • NR New Radio
  • the network device 120 may be an access network device that communicates with the terminal device 110 .
  • the access network device may provide communication coverage for a specific geographical area and may communicate with terminal devices 110 (eg, UEs) located within the coverage area.
  • terminal devices 110 eg, UEs
  • the network device 120 may be an evolutionary base station (Evolutional Node B, eNB or eNodeB) in a Long Term Evolution (LTE) system, or a next generation radio access network (Next Generation Radio Access Network, NG RAN) equipment, It may be a base station (gNB) in an NR system, or a wireless controller in a Cloud Radio Access Network (CRAN), or the network device 120 may be a relay station, access point, vehicle-mounted device, or wearable device. Equipment, hubs, switches, bridges, routers, or network equipment in the future evolved Public Land Mobile Network (Public Land Mobile Network, PLMN), etc.
  • Evolutional Node B, eNB or eNodeB in a Long Term Evolution (LTE) system
  • NG RAN Next Generation Radio Access Network
  • gNB base station
  • CRAN Cloud Radio Access Network
  • the terminal device 110 may refer to an access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication Device, user agent, or user device.
  • Access terminals can be cellular phones, cordless phones, Session Initiation Protocol (SIP) phones, IoT devices, satellite handheld terminals, Wireless Local Loop (WLL) stations, Personal Digital Assistants (Personal Digital Assistant) , PDA), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in 5G networks or terminal devices in future evolution networks, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistants
  • handheld devices with wireless communication functions computing devices or other processing devices connected to wireless modems
  • vehicle-mounted devices wearable devices
  • terminal devices in 5G networks or terminal devices in future evolution networks etc.
  • the terminal device 110 can be used for device to device (Device to Device, D2D) communication.
  • D2D Device to Device
  • the wireless communication system 100 may also include a core network device 130 that communicates with the base station.
  • the core network device 130 may be a 5G core network (5G Core, 5GC) device, such as an access and mobility management function (Access and Mobility Management Function). , AMF), for example, Authentication Server Function (AUSF), for example, User Plane Function (UPF), for example, Session Management Function (Session Management Function, SMF).
  • AMF Access and Mobility Management Function
  • AUSF Authentication Server Function
  • UPF User Plane Function
  • Session Management Function Session Management Function
  • SMF Session Management Function
  • the core network device 130 may also be an Evolved Packet Core (EPC) device of the LTE network, for example, a session management function + core network data gateway (Session Management Function + Core Packet Gateway, SMF + PGW- C) Equipment.
  • EPC Evolved Packet Core
  • Various functional units in the communication system 100 can also establish connections through next generation network (NG) interfaces to achieve communication.
  • NG next generation network
  • the terminal device establishes an air interface connection with the access network device through the NR interface for transmitting user plane data and control plane signaling; the terminal device can establish a control plane signaling connection with the AMF through the NG interface 1 (referred to as N1); access Network equipment, such as the next generation wireless access base station (gNB), can establish user plane data connections with UPF through NG interface 3 (referred to as N3); access network equipment can establish control plane signaling with AMF through NG interface 2 (referred to as N2) connection; UPF can establish a control plane signaling connection with SMF through NG interface 4 (referred to as N4); UPF can exchange user plane data with the data network through NG interface 6 (referred to as N6); AMF can communicate with SMF through NG interface 11 (referred to as N11) SMF establishes a control plane signaling connection; SMF can establish a control plane signaling connection with PCF through NG interface 7 (referred to as N7).
  • N1 AMF through the NG interface 1
  • access Network equipment such as the next generation wireless
  • Figure 1 exemplarily shows a base station, a core network device and two terminal devices.
  • the wireless communication system 100 may include multiple base station devices and other numbers of terminals may be included within the coverage of each base station.
  • Equipment the embodiments of this application do not limit this.
  • FIG. 1 only illustrates the system to which the present application is applicable in the form of an example.
  • the method shown in the embodiment of the present application can also be applied to other systems.
  • system and “network” are often used interchangeably herein.
  • the term “and/or” in this article is just an association relationship that describes related objects, indicating that three relationships can exist. For example, A and/or B can mean: A exists alone, A and B exist simultaneously, and they exist alone. B these three situations.
  • the character "/" in this article generally indicates that the related objects are an "or” relationship.
  • the "instruction” mentioned in the embodiments of this application may be a direct instruction, an indirect instruction, or an association relationship.
  • A indicates B, which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B. relation.
  • the "correspondence" mentioned in the embodiments of this application can mean that there is a direct correspondence or indirect correspondence between the two, it can also mean that there is an associated relationship between the two, or it can mean indicating and being instructed. , configuration and configured relationship.
  • the NR system is mainly designed to support enhanced mobile ultra-broadband (eMBB) services. Its main technology is to meet the needs of high speed, high spectrum efficiency, and large bandwidth.
  • eMBB enhanced mobile ultra-broadband
  • mMTC massive machine-type communications
  • the typical characteristics of mMTC business include: high connection density, small data volume, insensitivity to delay, low cost and long service life of the module.
  • the terminal equipment that supports these services has lower capabilities than the terminal equipment that supports eMBB services, such as the supported bandwidth is reduced, the processing time is relaxed, the number of antennas is reduced, the maximum modulation order is relaxed, etc., the capabilities of the terminal equipment that support these services can be reduced.
  • Terminal devices are referred to as low-capability terminal devices (RedCap UE), such as sensors, video surveillance equipment, wearable devices, etc.
  • the NR system In order for the NR system to better support other types of services besides eMBB services, the NR system needs to be optimized for these services and the terminal equipment that supports these services.
  • the NR system supports broadband transmission.
  • the maximum bandwidth of a single carrier can reach 100MHz
  • the maximum bandwidth of a single carrier can reach 400MHz.
  • Broadband transmission can significantly increase the peak rate supported by terminal equipment and shorten data transmission delays, but it also brings about problems such as increased terminal equipment cost and significantly increased power consumption.
  • the relevant technology defines that in the FR1 frequency band, the maximum bandwidth supported by low-capability terminal equipment is reduced to 20MHz.
  • the maximum bandwidth supported by low-capability terminal equipment is reduced to 20MHz.
  • the maximum supported bandwidth is reduced to 100MHz.
  • related technologies consider further reducing the maximum bandwidth supported by low-capability terminal equipment to 5MHz in the FR1 frequency band.
  • synchronization signal and physical broadcast channel block Synchronization Signal/PBCH Block
  • CSI-RS channel state information reference signal
  • the network configures SSB measurement resources to the terminal device through high-level signaling, so that the terminal device can perform corresponding measurement operations.
  • the SSB measurement configuration includes: SSB frequency point, SSB subcarrier spacing, SSB measurement time configuration (SSB Measurement Timing Configuration, SMTC) configuration, reference signal configuration, etc.
  • the SSB frequency point is the center frequency point of the SSB to be measured.
  • the SSB subcarrier spacing is the subcarrier spacing of the SSB to be measured.
  • SMTC configuration is the time domain resource configuration information of SSB measurement, which is mainly used to configure a set of measurement time windows (called SMTC windows) based on SSB measurement.
  • the SSB configuration may further include an SSB to be measured indication (ssb-ToMeasure), etc.
  • the SSB to be measured indication uses a bitmap to indicate the location information of the actually transmitted SSB in the SSB burst set.
  • the terminal device can clearly know which SSB is to be measured through the SSB to be measured indication.
  • the SSB candidate locations actually send SSB, and which SSB candidate locations do not send SSB.
  • the terminal device does not need to perform measurements at locations where SSB is not sent, thereby achieving energy saving for the terminal device.
  • SSB includes Primary Synchronization Signal (PSS), Secondary Synchronization Signal (SSS) and Physical Broadcast Channel (PBCH).
  • PSS Primary Synchronization Signal
  • SSS Secondary Synchronization Signal
  • PBCH Physical Broadcast Channel
  • the frequency domain resources of SSB occupy 20 RBs.
  • the sub-carrier spacing of SSB is 15kHz or 30kHz
  • the sub-carrier spacing of SSB is 60kHz or 120kHz.
  • the bandwidth corresponding to the frequency domain resources of SSB is 3.6MHz.
  • the bandwidth corresponding to the frequency domain resources of SSB is 7.2MHz.
  • each SSB burst set can contain one or more SSBs.
  • the terminal device performs SSB measurements within the SMTC window, which appears periodically in the time domain.
  • each SSB burst set contains 8 SSBs
  • the SSB transmission period is the time interval between two adjacent SSBs with the same SSB index.
  • the SSB transmission period, SMTC window size, and SMTC window period are all adjustable.
  • the maximum bandwidth supported is very limited.
  • Using the current configuration method of measuring reference signals may cause the bandwidth of the reference signal to exceed the maximum bandwidth supported by low-capability terminal equipment, causing low-capacity terminal equipment to be unable to implement RRM measurements.
  • the configuration of the reference signal (hereinafter referred to as the measurement reference signal) used for RRM measurement takes into account the limitations of the bandwidth capability of the terminal equipment, so that the bandwidth corresponding to the frequency domain resource of the measurement reference signal is less than or equal to the terminal equipment.
  • Figure 3 is a schematic flowchart of a method for configuring a measurement reference signal provided by an embodiment of the present application. As shown in Figure 3, the method for configuring a measurement reference signal includes the following steps:
  • Step 301 The network device sends the first configuration information to the terminal device, and the terminal device receives the first configuration information sent by the network device.
  • the first configuration information is configuration information exclusive to the low-capability terminal device, and the first configuration information is used for Configure the number of RBs and/or subcarrier spacing corresponding to the frequency domain resources of the measurement reference signal.
  • the number of RBs and/or the subcarrier spacing configured in the first configuration information satisfy the following conditions: the bandwidth corresponding to the frequency domain resource of the measurement reference signal is less than or equal to the first bandwidth, and the measurement reference signal
  • the bandwidth corresponding to the frequency domain resource is determined based on the number of RBs configured in the first configuration information and/or the subcarrier spacing.
  • the first bandwidth is the maximum bandwidth supported by the terminal device or is the maximum bandwidth supported by the terminal device.
  • the network device is a base station.
  • the first configuration information is carried in high-layer signaling.
  • High-layer signaling is, for example, RRC signaling.
  • the bandwidth corresponding to the frequency domain resources of the measurement reference signal is based on the number of RBs configured by the first configuration information.
  • the number and the first subcarrier spacing are determined.
  • the first subcarrier interval is predefined or configured through the first configuration information or configured through the second configuration information.
  • the candidate value of the number of RBs configured in the first configuration information is associated with the first subcarrier spacing and the first bandwidth.
  • the first bandwidth is 5MHz
  • the first subcarrier spacing is 15kHz or 30kHz or 60kHz
  • the candidate values for the number of RBs configured in the first configuration information include at least one of the following :24,12,4.
  • the measurement reference signal is CSI-RS.
  • the maximum bandwidth supported by low-capability terminal equipment is 5MHz (that is, the first bandwidth is 5MHz).
  • the subcarrier spacing of CSI-RS can be predefined or configured as 15kHz or 30kHz or 60kHz.
  • the frequency domain of CSI-RS Candidate values for the number of RBs occupied by the resource include: 24, 12, and 4.
  • the bandwidth corresponding to the frequency domain resources of CSI-RS the number of RBs occupied by the frequency domain resources of CSI-RS
  • the combined value of the number and CSI-RS subcarrier spacing includes the following options: ⁇ 24 RBs, 15kHz ⁇ , ⁇ 12 RBs, 15kHz ⁇ , ⁇ 4 RBs, 15kHz ⁇ , ⁇ 12 RBs, 30kHz ⁇ , ⁇ 4 RB, 30kHz ⁇ , ⁇ 4 RB, 60kHz ⁇ . It can be seen that the number of combined value options has been greatly increased, which is beneficial to the implementation of CSI-RS measurement.
  • the first bandwidth is 20 MHz
  • the first subcarrier spacing is 60 kHz or 120 kHz
  • the candidate values for the number of RBs configured in the first configuration information include at least one of the following: 24 ,12,4.
  • the measurement reference signal is CSI-RS.
  • the maximum bandwidth supported by low-capability terminal equipment is 20MHz (that is, the first bandwidth is 20MHz).
  • the subcarrier spacing of CSI-RS can be predefined or configured as 60kHz or 120kHz.
  • the frequency domain resources of CSI-RS occupy Candidate values for the number of RBs include: 24, 12, and 4.
  • the bandwidth corresponding to the frequency domain resources of CSI-RS the number of RBs occupied by the frequency domain resources of CSI-RS
  • the combined value of the number and CSI-RS subcarrier spacing includes the following options: ⁇ 24 RBs, 60kHz ⁇ , ⁇ 12 RBs, 60kHz ⁇ , ⁇ 4 RBs, 60kHz ⁇ , ⁇ 12 RBs, 120kHz ⁇ , ⁇ 4 RB, 120kHz ⁇ . It can be seen that the number of combined value options has been greatly increased, which is beneficial to the implementation of CSI-RS measurement.
  • the first bandwidth may be, but is not limited to, 5 MHz, 20 MHz, or other values, which is not limited in this application.
  • the candidate value of the number of RBs configured by the first configuration information is associated with the first subcarrier interval and the first bandwidth, or in other words, the candidate value configured by the first configuration information
  • the candidate value of the number of RBs is determined based on the first subcarrier spacing and the first bandwidth.
  • the bandwidth corresponding to the frequency domain resources of the measurement reference signal is based on all the parameters configured in the first configuration information.
  • the number of RBs and the subcarrier spacing are determined.
  • the measurement reference signal is CSI-RS.
  • the maximum bandwidth supported by low-capability terminal equipment is 5MHz (that is, the first bandwidth is 5MHz).
  • candidate values for the subcarrier spacing of CSI-RS include: 15kHz, 30kHz, and 60kHz.
  • the frequency domain of CSI-RS Candidate values for the number of RBs occupied by the resource include: 24, 12, and 4.
  • the bandwidth corresponding to the frequency domain resources of CSI-RS the number of RBs occupied by the frequency domain resources of CSI-RS
  • the combined value of the number and CSI-RS subcarrier spacing includes the following options: ⁇ 24 RBs, 15kHz ⁇ , ⁇ 12 RBs, 15kHz ⁇ , ⁇ 4 RBs, 15kHz ⁇ , ⁇ 12 RBs, 30kHz ⁇ , ⁇ 4 RB, 30kHz ⁇ , ⁇ 4 RB, 60kHz ⁇ . It can be seen that the number of combined value options has been greatly increased, which is beneficial to the implementation of CSI-RS measurement.
  • the first bandwidth is 20 MHz
  • candidate values for the first subcarrier spacing include at least one of the following: 60 kHz, 120 kHz, and candidates for the number of RBs configured by the first configuration information.
  • the value includes at least one of the following: 24, 12, 4.
  • the measurement reference signal is CSI-RS.
  • the maximum bandwidth supported by low-capability terminal equipment is 20MHz (that is, the first bandwidth is 20MHz).
  • Candidate values for the subcarrier spacing of CSI-RS include: 60kHz and 120kHz.
  • the frequency domain resource occupation of CSI-RS Candidate values for the number of RBs include: 24, 12, and 4.
  • the bandwidth corresponding to the frequency domain resources of CSI-RS the number of RBs occupied by the frequency domain resources of CSI-RS
  • the combined value of the number and CSI-RS subcarrier spacing includes the following options: ⁇ 24 RBs, 60kHz ⁇ , ⁇ 12 RBs, 60kHz ⁇ , ⁇ 4 RBs, 60kHz ⁇ , ⁇ 12 RBs, 120kHz ⁇ , ⁇ 4 RB, 120kHz ⁇ . It can be seen that the number of combined value options has been greatly increased, which is beneficial to the implementation of CSI-RS measurement.
  • the first bandwidth may be, but is not limited to, 5 MHz, 20 MHz, or other values, which is not limited in this application.
  • the candidate values of the subcarrier spacing and the candidate values of the RB number configured in the first configuration information are associated with the first bandwidth, or in other words, the first configuration information
  • the configured candidate values of the subcarrier spacing and the candidate values of the RB number are determined based on the first bandwidth.
  • the first bandwidth is 5 MHz
  • the first number of RBs is 20
  • the candidate values between the subcarriers configured in the first configuration information include: 15 kHz.
  • the measurement reference signal is SSB.
  • the maximum bandwidth supported by low-capability terminal equipment is 5MHz (that is, the first bandwidth is 5MHz).
  • the number of RBs occupied by SSB frequency domain resources is 20.
  • Candidate values between SSB subcarriers include: 15kHz .
  • the bandwidth corresponding to the frequency domain resources of SSB the number of RBs occupied by the frequency domain resources of SSB ⁇ the subcarrier spacing of SSB ⁇ 12 ⁇ 5 MHz. Based on this condition, the number of RBs occupied by the frequency domain resources of SSB and the subcarrier spacing of SSB
  • the combination value of can only have the following options: ⁇ 20 RB, 15kHz ⁇ .
  • the first bandwidth may be, but is not limited to, 5 MHz, 20 MHz, or other values, which is not limited in this application.
  • the candidate value of the subcarrier spacing configured by the first configuration information is associated with the first number of RBs and the first bandwidth, or in other words, the candidate value configured by the first configuration information
  • the candidate value of the subcarrier spacing is determined based on the first number of RBs and the first bandwidth.
  • the CSI-RS configured by the network device may be the CSI-RS of the current cell or the CSI-RS of the adjacent cell. Whether it is the CSI-RS of this cell or the CSI-RS of neighboring cells, the network equipment needs to consider the maximum bandwidth supported by the terminal equipment in this cell when configuring the number of RBs and subcarrier spacing corresponding to the frequency domain resources of the CSI-RS. capabilities or the bandwidth of the BWP working in this cell, the configured number of RBs and subcarrier spacing need to meet the following conditions: the bandwidth corresponding to the CSI-RS frequency domain resources determined based on the number of RBs and subcarrier spacing is less than or equal to the terminal equipment in this cell.
  • the network device configures the number of RBs corresponding to the frequency domain resources of the CSI-RS through the nrofPRBs parameter, and configures the subcarrier spacing corresponding to the frequency domain resources of the CSI-RS through the subcarrierSpacing parameter.
  • the candidate values of nrofPRBs and/or the candidate values of subcarrierSpacing are updated relative to the existing technology and are used to meet the RRM measurement of low-capability terminals.
  • the bandwidth corresponding to the frequency domain resource of CSI-RS configured by the network device is less than or equal to 5MHz.
  • candidate values for subcarrierSpacing include: 15kHz, 30kHz, and 60kHz
  • candidate values for nrofPRBs include: 24, 12, and 4.
  • the combined value of the number of RBs and subcarrier spacing includes the following options: ⁇ 24 RBs, 15kHz ⁇ , ⁇ 12 RBs, 15kHz ⁇ , ⁇ 4 RBs, 15kHz ⁇ , ⁇ 12 RBs, 30kHz ⁇ , ⁇ 4 RBs , 30kHz ⁇ , ⁇ 4 RB, 60kHz ⁇ . It can be seen that the number of combined value options has been greatly increased, which is beneficial to the implementation of CSI-RS measurement.
  • the candidate values of the modified nrofPRBs are shown in Table 2 below, including three values: size4, size12, and size24.
  • the bandwidth corresponding to the frequency domain resource of CSI-RS configured by the network device is less than or equal to 20MHz.
  • candidate values for subcarrierSpacing include: 60kHz, 120kHz
  • candidate values for nrofPRBs include: 24, 12, and 4.
  • the combined value of the number of RBs and subcarrier spacing includes the following options: ⁇ 24 RBs, 60kHz ⁇ , ⁇ 12 RBs, 60kHz ⁇ , ⁇ 4 RBs, 60kHz ⁇ , ⁇ 12 RBs, 120kHz ⁇ , ⁇ 4 RBs ,120kHz ⁇ .
  • the network device For RRM measurements based on SSB, when configuring the subcarrier spacing corresponding to the SSB frequency domain resources, the network device needs to consider the maximum bandwidth capability supported by the terminal device or the bandwidth of the working BWP.
  • the configured subcarrier spacing needs to meet the following conditions: The bandwidth corresponding to the frequency domain resources of the SSB determined based on the number of RBs and the subcarrier spacing is less than or equal to the maximum bandwidth supported by the terminal device or the bandwidth of the working BWP.
  • the subcarrier spacing corresponding to the frequency domain resources of SSB can be independently configured or preset.
  • the number of RBs corresponding to the frequency domain resources of SSB is fixed to 20.
  • the network device configures the subcarrier spacing corresponding to the frequency domain resource of the SSB through the ssbSubcarrierSpacing parameter.
  • the candidate value of ssbSubcarrierSpacing is used to meet the RRM measurement of low-capability terminals.
  • the bandwidth corresponding to the SSB frequency domain resources configured by the network equipment is less than or equal to 20MHz.
  • the number of RBs corresponding to the frequency domain resources of SSB is fixed to 20, and the candidate value of the subcarrier spacing corresponding to the frequency domain resources of SSB is 60kHz.
  • ssbSubcarrierSpacing can take the default value of 60kHz, or this information indication is not required.
  • the configuration information of ssbSubcarrierSpacing is shown in Table 3 below.
  • the network device configures exclusive first configuration information for the low-capability terminal device. Through the number of RBs and/or subcarrier spacing configured in the first configuration information, it can be satisfied that the bandwidth corresponding to the frequency domain resource of the measurement reference signal is less than or equal to that supported by the terminal device. The maximum bandwidth or the bandwidth corresponding to the BWP that the terminal device works on. In this way, the RRM measurement of the measurement reference signal by the terminal device can be successfully implemented.
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its functions and internal logic, and should not be used in this application.
  • the implementation of the examples does not constitute any limitations.
  • the terms “downlink”, “uplink” and “sidelink” are used to indicate the transmission direction of signals or data, where “downlink” is used to indicate that the transmission direction of signals or data is from the station.
  • the receiving unit 401 is configured to receive the first configuration information sent by the network device.
  • the first configuration information is configuration information exclusive to low-capability terminal equipment.
  • the first configuration information is used to configure the frequency domain resources corresponding to the measurement reference signal. Number of RBs and/or subcarrier spacing;
  • the number of RBs and/or the subcarrier spacing configured in the first configuration information satisfy the following conditions: the bandwidth corresponding to the frequency domain resource of the measurement reference signal is less than or equal to the first bandwidth, and the measurement reference signal
  • the bandwidth corresponding to the frequency domain resource is determined based on the number of RBs configured in the first configuration information and/or the subcarrier spacing.
  • the first bandwidth is the maximum bandwidth supported by the terminal device or is the maximum bandwidth supported by the terminal device.
  • the bandwidth corresponding to the frequency domain resources of the measurement reference signal is based on the first configuration information.
  • the number of configured RBs and the first subcarrier spacing are determined.
  • the first subcarrier spacing is predefined or configured through the first configuration information or configured through the second configuration information.
  • the candidate value of the number of RBs configured in the first configuration information is associated with the first subcarrier spacing and the first bandwidth.
  • the first bandwidth is 5MHz
  • the first subcarrier spacing is 15kHz or 30kHz or 60kHz
  • the candidate values for the number of RBs configured in the first configuration information include at least one of the following :24,12,4.
  • the bandwidth corresponding to the frequency domain resources of the measurement reference signal is based on the first The number of RBs configured in a configuration information and the subcarrier spacing are determined.
  • the first bandwidth is 5MHz
  • the candidate values of the subcarrier spacing configured in the first configuration information include at least one of the following: 15kHz, 30kHz, 60kHz
  • the first configuration information configures
  • Candidate values for the number of RBs include at least one of the following: 24, 12, and 4.
  • the bandwidth corresponding to the frequency domain resource of the measurement reference signal is based on the first configuration information
  • the configured subcarrier spacing and the number of first RBs are determined.
  • the first number of RBs is predefined or configured through the first configuration information or through the second configuration information.
  • the candidate value of the subcarrier spacing configured in the first configuration information is associated with the first number of RBs and the first bandwidth.
  • the first bandwidth is 5 MHz
  • the first number of RBs is 20
  • the candidate values between the subcarriers configured in the first configuration information include: 15 kHz.
  • the measurement reference signal is CSI-RS.
  • the measurement reference signal is SSB.
  • FIG. 5 is a schematic diagram 2 of the structural composition of a measurement reference signal configuration device provided by an embodiment of the present application. It is applied to network equipment. As shown in Figure 5, the measurement reference signal configuration device includes:
  • the sending unit 501 is configured to send first configuration information to the terminal device.
  • the first configuration information is configuration information exclusive to the low-capability terminal device.
  • the first configuration information is used to configure the RB corresponding to the frequency domain resource of the measurement reference signal. Number and/or subcarrier spacing;
  • the number of RBs and/or the subcarrier spacing configured in the first configuration information satisfy the following conditions: the bandwidth corresponding to the frequency domain resource of the measurement reference signal is less than or equal to the first bandwidth, and the measurement reference signal
  • the bandwidth corresponding to the frequency domain resource is determined based on the number of RBs configured in the first configuration information and/or the subcarrier spacing.
  • the first bandwidth is the maximum bandwidth supported by the terminal device or is the maximum bandwidth supported by the terminal device.
  • the first subcarrier spacing is predefined or configured through the first configuration information or configured through the second configuration information.
  • the candidate value of the number of RBs configured in the first configuration information is associated with the first subcarrier spacing and the first bandwidth.
  • the first bandwidth is 5MHz
  • the first subcarrier spacing is 15kHz or 30kHz or 60kHz
  • the candidate values for the number of RBs configured in the first configuration information include at least one of the following :24,12,4.
  • the bandwidth corresponding to the frequency domain resources of the measurement reference signal is based on the first The number of RBs configured in a configuration information and the subcarrier spacing are determined.
  • the candidate values of the subcarrier spacing and the candidate values of the RB number configured in the first configuration information are associated with the first bandwidth.
  • the first bandwidth is 5MHz
  • the candidate values of the subcarrier spacing configured in the first configuration information include at least one of the following: 15kHz, 30kHz, 60kHz
  • the first configuration information configures
  • Candidate values for the number of RBs include at least one of the following: 24, 12, and 4.
  • the bandwidth corresponding to the frequency domain resource of the measurement reference signal is based on the first configuration information
  • the configured subcarrier spacing and the number of first RBs are determined.
  • the first number of RBs is predefined or configured through the first configuration information or through the second configuration information.
  • the candidate value of the subcarrier spacing configured in the first configuration information is associated with the first number of RBs and the first bandwidth.
  • the first bandwidth is 5 MHz
  • the first number of RBs is 20
  • the candidate values between the subcarriers configured in the first configuration information include: 15 kHz.
  • FIG. 6 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device can be a terminal device or a network device.
  • the communication device 600 shown in Figure 6 includes a processor 610.
  • the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 can call and run the computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610 , or may be integrated into the processor 610 .
  • the communication device 600 may also include a transceiver 630.
  • the processor 610 may control the transceiver 630 to communicate with other devices.
  • the communication device 600 may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the communication device 600 may specifically be a network device according to the embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of brevity, details will not be repeated here. .
  • the communication device 600 can be a mobile terminal/terminal device according to the embodiment of the present application, and the communication device 600 can implement the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application. For the sake of simplicity, , which will not be described in detail here.
  • the chip 700 may also include a memory 720 .
  • the processor 710 can call and run the computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 , or may be integrated into the processor 710 .
  • the chip 700 may also include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiment of the present application.
  • the details will not be described again.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiment of the present application. For the sake of simplicity, here No longer.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Figure 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 functions implemented by the terminal device in the above method
  • the network device 820 can be used to implement the corresponding functions implemented by the network device in the above method.
  • no details will be described here. .
  • the processor in the embodiment of the present application may be an integrated circuit chip and has signal processing capabilities.
  • each step of the above method embodiment can be completed through an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available processors.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Random Access Memory
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • Synchlink DRAM SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of simplicity, here No longer.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiment of the present application. , for the sake of brevity, will not be repeated here.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiment of the present application. For the sake of brevity, they are not included here. Again.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, no further details will be given here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the various methods implemented by the mobile terminal/terminal device in the embodiments of the present application. The corresponding process, for the sake of brevity, will not be repeated here.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code. .

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

Abstract

Des modes de réalisation de la présente demande concernent un procédé et un appareil de configuration pour un signal de référence de mesure, et un dispositif terminal et un dispositif de réseau. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit des premières informations de configuration envoyées par un dispositif de réseau, les premières informations de configuration étant des informations de configuration dédiées à un dispositif terminal à capacité réduite, et les premières informations de configuration étant utilisées pour configurer le nombre de RB et/ou un intervalle de sous-porteuse correspondant à une ressource de domaine fréquentiel du signal de référence de mesure, le nombre de RB et/ou l'intervalle de sous-porteuse configuré par les premières informations de configuration satisfaisant la condition suivante : la bande passante correspondant à la ressource de domaine fréquentiel du signal de référence de mesure est inférieure ou égale à la première bande passante, la bande passante correspondant à la ressource de domaine fréquentiel du signal de référence de mesure étant déterminée sur la base du nombre de RB et/ou de l'intervalle de sous-porteuse configuré par les premières informations de configuration, et la première bande passante étant une bande passante maximale prise en charge par le dispositif terminal ou étant une bande passante correspondant à une BWP sur laquelle le dispositif terminal fonctionne.
PCT/CN2022/089902 2022-04-28 2022-04-28 Procédé et appareil de configuration pour signal de référence de mesure, et dispositif terminal et dispositif de réseau WO2023206234A1 (fr)

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CN105704720A (zh) * 2014-11-27 2016-06-22 中国移动通信集团公司 一种频段支持能力虚拟映射的方法及装置
CN108882266A (zh) * 2017-05-12 2018-11-23 维沃移动通信有限公司 无线资源管理rrm测量方法、网络侧设备及终端
CN109792629A (zh) * 2016-09-29 2019-05-21 金雅拓M2M有限责任公司 用于由低能力无线终端对测量的基于蜂窝网络的控制的方法
CN111656813A (zh) * 2020-04-08 2020-09-11 北京小米移动软件有限公司 配置测量信息传输方法及装置、通信设备及存储介质
US20220022147A1 (en) * 2020-07-20 2022-01-20 Qualcomm Incorporated Radio re-synchronization signal
CN114009129A (zh) * 2021-09-22 2022-02-01 北京小米移动软件有限公司 一种初始部分带宽确定方法、装置及存储介质
WO2022067532A1 (fr) * 2020-09-29 2022-04-07 Oppo广东移动通信有限公司 Procédé de communication sans fil, dispositif de terminal et dispositif de réseau

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105704720A (zh) * 2014-11-27 2016-06-22 中国移动通信集团公司 一种频段支持能力虚拟映射的方法及装置
CN109792629A (zh) * 2016-09-29 2019-05-21 金雅拓M2M有限责任公司 用于由低能力无线终端对测量的基于蜂窝网络的控制的方法
CN108882266A (zh) * 2017-05-12 2018-11-23 维沃移动通信有限公司 无线资源管理rrm测量方法、网络侧设备及终端
CN111656813A (zh) * 2020-04-08 2020-09-11 北京小米移动软件有限公司 配置测量信息传输方法及装置、通信设备及存储介质
US20220022147A1 (en) * 2020-07-20 2022-01-20 Qualcomm Incorporated Radio re-synchronization signal
WO2022067532A1 (fr) * 2020-09-29 2022-04-07 Oppo广东移动通信有限公司 Procédé de communication sans fil, dispositif de terminal et dispositif de réseau
CN114009129A (zh) * 2021-09-22 2022-02-01 北京小米移动软件有限公司 一种初始部分带宽确定方法、装置及存储介质

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