WO2022193093A1 - Appareil et procédé de transmission d'informations, dispositif de communication et support d'enregistrement - Google Patents

Appareil et procédé de transmission d'informations, dispositif de communication et support d'enregistrement Download PDF

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Publication number
WO2022193093A1
WO2022193093A1 PCT/CN2021/080854 CN2021080854W WO2022193093A1 WO 2022193093 A1 WO2022193093 A1 WO 2022193093A1 CN 2021080854 W CN2021080854 W CN 2021080854W WO 2022193093 A1 WO2022193093 A1 WO 2022193093A1
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Prior art keywords
measurement
speed
mobility
delay
indication
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PCT/CN2021/080854
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English (en)
Chinese (zh)
Inventor
洪伟
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN202180000777.6A priority Critical patent/CN115349270A/zh
Priority to PCT/CN2021/080854 priority patent/WO2022193093A1/fr
Publication of WO2022193093A1 publication Critical patent/WO2022193093A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports

Definitions

  • the present application relates to the field of wireless communication technologies, but is not limited to the field of wireless communication technologies, and in particular, to information transmission methods, apparatuses, communication devices, and storage media.
  • mobility management may rely on downlink measurements of terminals.
  • the terminal can perform mobility measurement, such as measuring the cell reference signal of the base station, and trigger the uplink measurement report through event triggering or periodic triggering.
  • the base station may perform mobility management on the terminal based on the uplink measurement report.
  • embodiments of the present disclosure provide an information transmission method, apparatus, communication device, and storage medium.
  • a first aspect of the embodiments of the present disclosure provides an information transmission method, wherein the method is executed by a base station, and the method includes:
  • the measurement requirement for the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is stricter than the speed range having a lower movement speed value
  • the associated measurement indicates the measurement requirement of the indicated mobility measurement.
  • the measurement requirement of the mobility measurement includes: a measurement delay of the mobility measurement
  • the measurement delay of the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is smaller than the measurement indication associated with the speed range having a lower movement speed value the indicated measurement delay for the mobility measurement.
  • the sending to the UE a measurement indication associated with a speed range to which the moving speed belongs includes one of the following:
  • the first speed threshold is greater than the second speed threshold, the first measurement delay is smaller than the second measurement delay, and the second measurement delay is smaller than the third measurement delay.
  • the method further includes:
  • the sending, to the UE, the measurement indication associated with the speed range to which the moving speed belongs includes:
  • the measurement indication associated with the mobility scenario is sent to the UE.
  • the determining the moving speed of the UE includes:
  • the moving speed of the UE is determined based on a measurement result obtained by measuring the reference signal sent by the UE.
  • the reference signal includes: Sounding Reference Signal (SRS, Sounding Reference Signal).
  • SRS Sounding Reference Signal
  • a second aspect of the embodiments of the present disclosure provides an information transmission method, wherein the method is executed by a UE, and the method includes:
  • the mobility measurement adopted by the UE is determined, and different measurement indications are used to indicate mobility measurements with different measurement requirements.
  • the method further includes:
  • the receiving the measurement indication sent by the base station includes:
  • a measurement indication related to a speed range to which the moving speed of the UE belongs and sent by the base station is received, wherein the moving speed of the UE is determined by the base station based on a measurement result of the reference signal.
  • the reference signal includes a sounding reference signal SRS.
  • the measurement requirement for the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is stricter than the speed range having a lower movement speed value
  • the associated measurement indicates the measurement requirement of the indicated mobility measurement.
  • the measurement requirement of the mobility measurement includes: a measurement delay of the mobility measurement
  • the measurement delay of the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is smaller than the measurement indication associated with the speed range having a lower movement speed value the indicated measurement delay for the mobility measurement.
  • the measured indication indicates a mobility measure of a first measurement delay
  • the measured indication indicates a mobility measure of a second measurement delay
  • the measured indication indicates a mobility measure of a third measurement delay
  • the first speed threshold is greater than the second speed threshold, the first measurement delay is smaller than the second measurement delay, and the second measurement delay is smaller than the third measurement delay.
  • a third aspect of the embodiments of the present disclosure provides an information transmission apparatus, wherein the apparatus includes: a first determining module and a first sending module, wherein,
  • the first determining module is configured to determine the moving speed of the UE
  • the first sending module is configured to send, to the UE, measurement indications associated with a speed range to which the moving speed belongs, where the measurement indications associated with different speed ranges are used to indicate mobility measurements with different measurement requirements.
  • the measurement requirement for the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is stricter than the speed range having a lower movement speed value
  • the associated measurement indicates the measurement requirement of the indicated mobility measurement.
  • the measurement requirement of the mobility measurement includes: a measurement delay of the mobility measurement
  • the measurement delay of the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is smaller than the measurement indication associated with the speed range having a lower movement speed value the indicated measurement delay for the mobility measurement.
  • the first sending module includes one of the following:
  • a first sending submodule configured to send the measurement indication indicating the mobility measurement of the first measurement delay in response to the movement speed being greater than a first speed threshold
  • a second sending sub-module configured to send, in response to the moving speed being less than or equal to the first speed threshold, and the moving speed being greater than a second speed threshold, sending the result of the mobility measurement indicating a second measurement delay said measurement instructions;
  • a third sending submodule configured to send the measurement indication indicating the mobility measurement of the third measurement delay in response to the movement speed being less than or equal to the second speed threshold
  • the first speed threshold is greater than the second speed threshold, the first measurement delay is smaller than the second measurement delay, and the second measurement delay is smaller than the third measurement delay.
  • the apparatus further comprises:
  • a second determining module configured to determine a mobility scene associated with the speed range based on the speed range to which the movement speed belongs
  • the first sending module includes:
  • the fourth sending submodule is configured to send the measurement indication associated with the mobility scenario to the UE.
  • the first determining module includes:
  • the determining submodule is configured to determine the moving speed of the UE based on a measurement result obtained by measuring the reference signal sent by the UE.
  • the reference signal includes a sounding reference signal SRS.
  • a fourth aspect of the embodiments of the present disclosure provides an information transmission apparatus, wherein the apparatus includes: a receiving module and a third determining module, wherein,
  • the receiving module is configured to receive the measurement indication sent by the base station
  • the third determining module is configured to determine, according to the measurement indication, the mobility measurement adopted by the UE, and different measurement indications are used to indicate mobility measurements with different measurement requirements.
  • the apparatus further comprises:
  • a second sending module configured to send a reference signal
  • the receiving module includes:
  • a receiving submodule configured to receive a measurement indication sent by the base station that is related to the speed range of the moving speed of the UE, wherein the moving speed of the UE is determined by the base station based on the measurement result of the reference signal of.
  • the reference signal includes a sounding reference signal SRS.
  • the measurement requirement for the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is stricter than the speed range having a lower movement speed value
  • the associated measurement indicates the measurement requirement of the indicated mobility measurement.
  • the measurement requirement of the mobility measurement includes: a measurement delay of the mobility measurement
  • the measurement delay of the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is smaller than the measurement indication associated with the speed range having a lower movement speed value the indicated measurement delay for the mobility measurement.
  • the measured indication indicates a mobility measure of a first measurement delay
  • the measured indication indicates a mobility measure of a second measurement delay
  • the measured indication indicates a mobility measure of a third measurement delay
  • the first speed threshold is greater than the second speed threshold, the first measurement delay is smaller than the second measurement delay, and the second measurement delay is smaller than the third measurement delay.
  • a fifth aspect of the embodiments of the present disclosure provides a communication device, including a processor, a memory, and an executable program stored on the memory and executable by the processor, wherein the processor executes the executable program.
  • the program executes the executable program.
  • a sixth aspect of the embodiments of the present disclosure provides a storage medium on which an executable program is stored, wherein when the executable program is executed by a processor, the information transmission method according to the first aspect or the second aspect is implemented A step of.
  • the base station determines the moving speed of the UE; and sends to the UE a measurement indication associated with the speed range to which the moving speed belongs, wherein Measurement Indication to indicate mobility measurements for different measurement requirements.
  • the base station sends measurement indications indicating different measurement requirements based on the movement speed of the UE, and the UE performs mobility measurements that meet the current movement speed measurement requirements based on the measurement indications.
  • the result of mobility measurement can meet the requirement of the current moving speed, so that the measurement result can meet the requirement of mobility management, and the performance of mobility management is improved.
  • FIG. 1 is a schematic structural diagram of a wireless communication system according to an exemplary embodiment
  • FIG. 2 is a schematic flowchart of an information transmission method according to an exemplary embodiment
  • FIG. 3 is a schematic flowchart of another information transmission method according to an exemplary embodiment
  • FIG. 4 is a block diagram of an information transmission apparatus according to an exemplary embodiment
  • FIG. 5 is a block diagram of another information transmission apparatus according to an exemplary embodiment
  • Fig. 6 is a block diagram of an apparatus for information transmission according to an exemplary embodiment.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include: several terminals 11 and several base stations 12 .
  • the terminal 11 may be a device that provides voice and/or data connectivity to the user.
  • the terminal 11 may communicate with one or more core networks via a radio access network (RAN), and the terminal 11 may be an IoT terminal such as a sensor device, a mobile phone (or "cellular" phone) and a
  • RAN radio access network
  • the computer of the IoT terminal for example, may be a fixed, portable, pocket, hand-held, built-in computer or a vehicle-mounted device.
  • a station For example, a station (Station, STA), a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile station), a mobile station (mobile), a remote station (remote station), an access point, a remote terminal ( remote terminal), access terminal (access terminal), user device (user terminal), user agent (user agent), user equipment (user device), or user equipment (user equipment, UE).
  • the terminal 11 may also be a device of an unmanned aerial vehicle.
  • the terminal 11 may also be an in-vehicle device, for example, a trip computer with a wireless communication function, or a wireless communication device connected to an external trip computer.
  • the terminal 11 may also be a roadside device, for example, a street light, a signal light, or other roadside devices with a wireless communication function.
  • the base station 12 may be a network-side device in a wireless communication system.
  • the wireless communication system may be a fourth generation mobile communication (the 4th generation mobile communication, 4G) system, also known as a long term evolution (Long Term Evolution, LTE) system; or, the wireless communication system may also be a 5G system, Also known as new radio (NR) system or 5G NR system.
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network, a new generation of radio access network).
  • the MTC system may be a network-side device in a wireless communication system.
  • the base station 12 may be an evolved base station (eNB) used in the 4G system.
  • the base station 12 may also be a base station (gNB) that adopts a centralized distributed architecture in a 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 12 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Media Access Control (Media Access Control, MAC) layer; distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 12 is not limited in this embodiment of the present disclosure.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control Protocol
  • MAC Media Access Control
  • distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 12 is not limited in this embodiment of the present disclosure.
  • a wireless connection can be established between the base station 12 and the terminal 11 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, such as
  • the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a 5G next-generation mobile communication network technology standard.
  • an E2E (End to End, end-to-end) connection may also be established between the terminals 11 .
  • V2V vehicle to vehicle, vehicle-to-vehicle
  • V2I vehicle to Infrastructure, vehicle-to-roadside equipment
  • V2P vehicle to pedestrian, vehicle-to-person communication in vehicle to everything (V2X) communication etc. scene.
  • the above wireless communication system may further include a network management device 13 .
  • the network management device 13 may be a core network device in a wireless communication system, for example, the network management device 13 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, such as a serving gateway (Serving GateWay, SGW), a public data network gateway (Public Data Network GateWay, PGW), a policy and charging rules functional unit (Policy and Charging Rules) Function, PCRF) or home subscriber server (Home Subscriber Server, HSS), etc.
  • the implementation form of the network management device 13 is not limited in this embodiment of the present disclosure.
  • the execution bodies involved in the embodiments of the present disclosure include, but are not limited to, UEs such as mobile phone terminals that support cellular mobile communication, and base stations.
  • An application scenario of the embodiments of the present disclosure is that the terminal may exist in different mobility scenarios such as a high moving speed scenario, a low moving speed scenario, or a stationary state during operation.
  • the terminal faces different signal conditions for mobility measurement.
  • a terminal can only measure signals in different mobility scenarios through mobility measurements with the same measurement requirements, which is prone to inaccurate measurements or untimely uplink measurement reports. How to make the mobility measurement meet the measurement requirements of different mobility scenarios and improve the measurement accuracy is an urgent problem to be solved. .
  • this exemplary embodiment provides an information transmission method, and the information transmission method can be performed by a base station of a cellular mobile communication system, etc., including:
  • Step 201 determine the movement speed of the UE
  • Step 202 Send a measurement indication associated with a speed range to which the moving speed belongs to the UE, wherein the measurement indication associated with different speed ranges is used to indicate mobility measurements with different measurement requirements.
  • the UE may be a mobile terminal or the like that uses a cellular mobile communication technology to perform wireless communication.
  • the base station may be a communication device that provides an access network interface to a UE in a cellular mobile communication system.
  • the UE may be a UE in a connected state.
  • the UE performs mobility measurement on designated frequency points or cells according to the instructions of the base station, that is, measures the strength and quality of wireless signals, and reports the measurement results according to the requirements of the base station.
  • the UE or the base station can decide whether to continue camping on the serving cell and whether to perform cell handover.
  • the UE may indicate its own moving speed by means of uplink information or the like.
  • the UE may determine its own moving speed through a positioning system or the like.
  • the base station may determine the moving speed of the UE through uplink information of the UE and the like.
  • the base station may also measure the moving speed of the UE based on a signal sent by the UE, etc., to determine the moving speed of the UE, and then determine the speed range to which the current moving speed of the UE belongs.
  • the speed range may be specified by the communication protocol or negotiated by the base station and the UE, such as dividing the possible speed of the UE into multiple speed ranges.
  • the measurement requirements may be specific measurement items, scope, specifications, and conditions for performing mobility measurement, etc. for mobility measurement.
  • measurement requirements may include measurement boundary conditions and/or measurement capabilities, and the like.
  • the measurement requirements for mobility measurement are different at different moving speeds. For example, when the UE is moving at a higher speed, the UE is handed over more frequently, so it can measure more neighboring cells than at a lower moving speed.
  • the base station may send measurement indications corresponding to the speed ranges for UEs in different speed ranges, and the measurement indications may indicate measurement requirements corresponding to the speed ranges. Different measurement indications may indicate different measurement requirements.
  • the base station may carry the measurement indication through downlink signaling such as an RRC message.
  • Measurement instructions can carry specific measurement requirements.
  • the measurement indication can also be an index value, and different index values point to different measurement requirements.
  • the UE determines the measurement requirement according to the measurement indication. For example, the specific measurement requirement is determined according to the information carried in the measurement indication, or the measurement requirement corresponding to the index value is determined according to the index value.
  • the base station sends measurement indications indicating different measurement requirements based on the movement speed of the UE, and the UE performs mobility measurements that meet the current movement speed measurement requirements based on the measurement indications.
  • the result of mobility measurement can meet the requirement of the current moving speed, so that the measurement result can meet the requirement of mobility management, and the performance of mobility management is improved.
  • the measurement requirement for the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is stricter than the speed range having a lower movement speed value
  • the associated measurement indicates the measurement requirement of the indicated mobility measurement.
  • Stricter measurement requirements may have more measurement items, wider ranges, stricter specifications, and stricter conditions for performing mobility measurements.
  • the stricter measurement requirements may be to increase the measurement frequency, shorten the mobility measurement interval, and so on.
  • a UE with a higher moving speed has higher requirements for signal quality, and it can be determined whether the signal quality meets the UE's signal requirements through stricter measurement requirements. Then carry out mobility management.
  • a UE with a lower moving speed has lower requirements for signal quality, and it can be determined whether the signal quality meets the requirements of the UE through relaxed measurement requirements. Then carry out mobility management.
  • the result of mobility measurement can meet the requirement of the current moving speed, so that the measurement result can meet the requirement of mobility management, and the performance of mobility management is improved.
  • the power consumed by the UE to perform mobility measurements with different measurement requirements is different.
  • the UE performs mobility measurements corresponding to the measurement requirements corresponding to its own speed range, which can reduce the mobility required by the lower moving speed UE to perform stricter measurement requirements.
  • the UE with lower moving speed can perform mobility measurement with relaxed measurement requirements, thereby saving power.
  • the measurement requirement of the mobility measurement includes: a measurement delay of the mobility measurement
  • the measurement delay of the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is smaller than the measurement indication associated with the speed range having a lower movement speed value the indicated measurement delay for the mobility measurement.
  • the measurement delay may be the duration of one or more mobility measurements.
  • a UE with a higher moving speed has a faster position change within a cell, and thus a faster change in signal strength and quality.
  • the UE with higher moving speed stays in a single cell for a shorter time, and the measurement time that can be used for mobility measurement is shorter. Therefore, the real-time performance of the mobility measurement can be improved by reducing the measurement delay of the mobility measurement, that is, shortening the duration of the mobility measurement. Reducing the measurement delay of mobility measurements can also increase the frequency of mobility measurements within the same duration. Therefore, the mobility measurement can adapt to the situation where the signal strength and quality change rapidly. Further, the accuracy of mobility measurement is improved, and the mobility management performance of the higher-speed UE is satisfied.
  • a UE with a lower moving speed has a slower change in position within a cell, and thus a slower change in signal strength and quality.
  • the UE with lower moving speed stays in a single cell for a longer time, and the measurement time that can be used for mobility measurement is longer. Therefore, the accuracy of the mobility measurement can be improved by increasing the measurement delay of the mobility measurement, that is, increasing the duration of the mobility measurement.
  • Increasing the measurement delay of the mobility measurement can also reduce the frequency of the mobility measurement within the same duration, so that the UE can save power. Meets mobility management performance for lower speed UEs.
  • the measurement delay can be adjusted by adjusting the number of measurements when measuring specific signal parameters in the mobility measurement process. For example, when measuring signal strength, the signal strength can be determined by averaging multiple measurements, the measurement delay can be reduced by reducing the number of measurements, or the measurement delay can be increased by increasing the number of measurements.
  • the sending to the UE a measurement indication associated with a speed range to which the moving speed belongs includes one of the following:
  • the first speed threshold is greater than the second speed threshold, the first measurement delay is smaller than the second measurement delay, and the second measurement delay is smaller than the third measurement delay.
  • the movement speed of the UE may be divided into three grades, a high movement speed, a medium movement speed and a low movement speed.
  • the base station defines a first speed threshold for a higher moving speed and a second speed threshold for a lower moving speed, respectively. If the moving speed of the UE is greater than the first speed threshold, it is determined that the UE is at a high moving speed; if the moving speed of the UE is less than or equal to the first speed threshold and greater than the second speed threshold, it is determined that the UE is at a medium moving speed; if the moving speed of the UE If the speed is less than or equal to the second speed threshold, it is determined that the UE is at a low moving speed.
  • the UE When the serving cell indicates the measurement indication corresponding to the high moving speed to the UE, the UE performs the measurement using the tightened measurement requirements at the high moving speed. For example, the UE needs to complete the measurement within m*T time, where m is a value greater than 0 and less than 1 , T is the measurement delay requirement under normal conditions;
  • the UE uses the measurement requirement under normal circumstances to perform the measurement, for example, the UE needs to complete the measurement within T time;
  • the UE uses the relaxed measurement requirement at the low moving speed to perform the measurement. For example, the UE needs to complete the measurement within n*T time, where n is a value greater than 1, and T is Measurement delay requirements under normal conditions.
  • the method further includes:
  • the sending, to the UE, the measurement indication associated with the speed range to which the moving speed belongs includes:
  • the measurement indication associated with the mobility scenario is sent to the UE.
  • the base station can set corresponding speed ranges for different mobility scenarios. Measurement indications for different mobility scenarios may indicate different measurement requirements.
  • the base station determines the moving speed of the UE, and then determines the speed range to which the moving speed belongs, and then determines the mobility scenario in which the UE is located.
  • the base station may send a measurement indication corresponding to the mobility scenario where the UE is located to indicate the measurement requirements corresponding to the current mobility scenario, so that the mobility measurement meets the requirements of the current mobility scenario.
  • three but not limited to three mobility scenarios may be set: a high movement speed scenario, a medium movement speed scenario, and a low movement speed scenario.
  • the base station defines a first speed threshold for a higher moving speed scenario and a second speed threshold for a lower moving speed scenario, respectively. If the moving speed of the UE is greater than the first speed threshold, it is determined that the UE is in a high moving speed scenario; if the moving speed of the UE is less than or equal to the first speed threshold and greater than the second speed threshold, it is determined that the UE is in a medium moving speed scenario; if the UE is in a medium moving speed scenario The moving speed of , is less than or equal to the second speed threshold, then it is determined that the UE is in a low moving speed scenario.
  • the UE When the serving cell indicates the measurement indication corresponding to the high moving speed scenario to the UE, the UE performs the measurement using the tightened measurement requirements in the high moving speed scenario. For example, the UE needs to complete the measurement within m*T time, where m is greater than 0 and less than 1
  • T is the measurement delay requirement under normal conditions.
  • the UE When the serving cell indicates the measurement indication corresponding to the moving speed scenario to the UE, the UE performs the measurement using the measurement requirements under normal conditions, for example, the UE needs to complete the measurement within T time.
  • the UE uses the relaxed measurement requirement in the low moving speed scenario to perform the measurement. For example, the UE needs to complete the measurement within n*T time, where n is a value greater than 1, T is the measurement delay requirement under normal conditions.
  • the determining the moving speed of the UE includes:
  • the moving speed of the UE is determined based on a measurement result obtained by measuring the reference signal sent by the UE.
  • the base station may measure the speed of the UE based on the reference signal sent by the UE.
  • the base station may determine the displacement of the UE based on changes in signal characteristic parameters such as the signal strength of the reference signal within a period of time, and then determine the movement speed of the UE.
  • the base station may measure the Doppler frequency shift of the UE reference signal within a period of time to determine the displacement of the UE, and then determine the movement speed of the UE.
  • the reference signal includes a sounding reference signal SRS.
  • SRS can be used to estimate uplink channel frequency domain information for frequency selective scheduling; to estimate downlink channel and perform downlink beamforming. Measuring the moving speed of the UE based on the SRS can improve the use efficiency of the SRS.
  • this exemplary embodiment provides an information transmission method, and the information transmission method can be performed by a UE or the like of a cellular mobile communication system, including:
  • Step 301 Receive a measurement indication sent by a base station
  • Step 302 Determine the mobility measurement used by the UE according to the measurement indication, and different measurement indications are used to indicate mobility measurements with different measurement requirements.
  • the UE may be a mobile terminal or the like that uses a cellular mobile communication technology to perform wireless communication.
  • the base station may be a communication device that provides an access network interface to a UE in a cellular mobile communication system.
  • the UE may be a UE in a connected state.
  • the UE performs mobility measurement on designated frequency points or cells according to the instructions of the base station, that is, measures the strength and quality of wireless signals, and reports the measurement results according to the requirements of the base station.
  • the UE or the base station can decide whether to continue camping on the serving cell and whether to perform cell handover.
  • the UE may indicate its own moving speed by means of uplink information or the like.
  • the UE may determine its own moving speed through a positioning system or the like.
  • the base station can determine the moving speed of the UE through uplink information of the UE.
  • the base station may also measure the moving speed of the UE based on the signals sent by the UE, so as to determine the moving speed of the UE, and then determine the speed range to which the current moving speed of the UE belongs.
  • the speed range may be specified by the communication protocol or negotiated by the base station and the UE, such as dividing the possible speed of the UE into multiple speed ranges.
  • the measurement requirements may be specific measurement items, scope, specifications, and conditions for performing mobility measurement, etc. for mobility measurement.
  • measurement requirements may include measurement boundary conditions and/or measurement capabilities, and the like.
  • the measurement requirements for mobility measurement are different at different moving speeds. For example, when the UE is moving at a higher speed, the UE is handed over more frequently, so it can measure more neighboring cells than at a lower moving speed.
  • the base station may send measurement indications corresponding to the speed ranges for UEs in different speed ranges, and the measurement indications may indicate measurement requirements corresponding to the speed ranges. Different measurement indications may indicate different measurement requirements.
  • the base station may carry the measurement indication through downlink signaling such as an RRC message.
  • Measurement instructions can carry specific measurement requirements.
  • the measurement indication can also be an index value, and different index values point to different measurement requirements.
  • the UE determines the measurement requirement according to the measurement indication. For example, the specific measurement requirement is determined according to the information carried in the measurement indication, or the measurement requirement corresponding to the index value is determined according to the index value.
  • the base station sends measurement indications indicating different measurement requirements based on the movement speed of the UE, and the UE performs mobility measurements that meet the current movement speed measurement requirements based on the measurement indications.
  • the result of mobility measurement can meet the requirement of the current moving speed, so that the measurement result can meet the requirement of mobility management, and the performance of mobility management is improved.
  • the method further includes:
  • the receiving the measurement indication sent by the base station includes:
  • a measurement indication related to a speed range to which the moving speed of the UE belongs and sent by the base station is received, wherein the moving speed of the UE is determined by the base station based on a measurement result of the reference signal.
  • the base station may measure the speed of the UE based on the reference signal sent by the UE.
  • the base station may determine the displacement of the UE based on changes in signal characteristic parameters such as the signal strength of the reference signal within a period of time, and then determine the movement speed of the UE.
  • the base station may measure the Doppler frequency shift of the UE reference signal within a period of time to determine the displacement of the UE, and then determine the movement speed of the UE.
  • the reference signal includes a sounding reference signal SRS.
  • SRS can be used to estimate uplink channel frequency domain information for frequency selective scheduling; to estimate downlink channel and perform downlink beamforming. Measuring the moving speed of the UE based on the SRS can improve the use efficiency of the SRS.
  • the measurement requirement for the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is stricter than the speed range having a lower movement speed value
  • the associated measurement indicates the measurement requirement of the indicated mobility measurement.
  • Stricter measurement requirements may have more measurement items, wider ranges, stricter specifications, and stricter conditions for performing mobility measurements.
  • the stricter measurement requirements may be to increase the measurement frequency, shorten the mobility measurement interval, and so on.
  • a UE with a higher moving speed has higher requirements for signal quality, and it can be determined whether the signal quality meets the UE's signal requirements through stricter measurement requirements. Then carry out mobility management.
  • a UE with a lower moving speed has lower requirements on signal quality, and it can be determined whether the signal quality meets the requirements of the UE through relaxed measurement requirements. Then carry out mobility management.
  • the result of mobility measurement can meet the requirement of the current moving speed, so that the measurement result can meet the requirement of mobility management, and the performance of mobility management is improved.
  • the power consumed by the UE to perform mobility measurements with different measurement requirements is different.
  • the UE performs mobility measurements corresponding to the measurement requirements corresponding to its own speed range, which can reduce the mobility required by the lower moving speed UE to perform stricter measurement requirements.
  • the UE with lower moving speed can perform mobility measurement with relaxed measurement requirements, thereby saving power.
  • the measurement requirement of the mobility measurement includes: a measurement delay of the mobility measurement
  • the measurement delay of the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is smaller than the measurement indication associated with the speed range having a lower movement speed value the indicated measurement delay for the mobility measurement.
  • the measurement delay may be the duration of one or more mobility measurements.
  • a UE with a higher moving speed has a faster position change within a cell, and thus a faster change in signal strength and quality.
  • the UE with higher moving speed stays in a single cell for a shorter time, and the measurement time that can be used for mobility measurement is shorter. Therefore, the real-time performance of the mobility measurement can be improved by reducing the measurement delay of the mobility measurement, that is, shortening the duration of the mobility measurement. Reducing the measurement delay of mobility measurements can also increase the frequency of mobility measurements within the same duration. Therefore, the mobility measurement can adapt to the situation where the signal strength and quality change rapidly. Further, the accuracy of mobility measurement is improved, and the mobility management performance of the higher-speed UE is satisfied.
  • a UE with a lower moving speed has a slower change in position within a cell, and thus a slower change in signal strength and quality.
  • the UE with lower moving speed stays in a single cell for a longer time, and the measurement time that can be used for mobility measurement is longer. Therefore, the accuracy of the mobility measurement can be improved by increasing the measurement delay of the mobility measurement, that is, increasing the duration of the mobility measurement.
  • Increasing the measurement delay of the mobility measurement can also reduce the frequency of the mobility measurement within the same duration, so that the UE can save power. Meets mobility management performance for lower speed UEs.
  • the measurement delay can be adjusted by adjusting the measurement times when measuring specific signal parameters in the mobility measurement process. For example, when measuring signal strength, the signal strength can be determined by averaging multiple measurements, the measurement delay can be reduced by reducing the number of measurements, or the measurement delay can be increased by increasing the number of measurements.
  • the measured indication indicates a mobility measure of a first measurement delay
  • the measured indication indicates a mobility measure of a second measurement delay
  • the measured indication indicates a mobility measure of a third measurement delay
  • the first speed threshold is greater than the second speed threshold, the first measurement delay is smaller than the second measurement delay, and the second measurement delay is smaller than the third measurement delay.
  • the movement speed of the UE may be divided into three grades, a high movement speed, a medium movement speed and a low movement speed.
  • the base station defines a first speed threshold for a higher moving speed and a second speed threshold for a lower moving speed, respectively. If the moving speed of the UE is greater than the first speed threshold, it is determined that the UE is at a high moving speed; if the moving speed of the UE is less than or equal to the first speed threshold and greater than the second speed threshold, it is determined that the UE is at a medium moving speed; if the moving speed of the UE If the speed is less than or equal to the second speed threshold, it is determined that the UE is at a low moving speed.
  • the UE When the serving cell indicates the measurement indication corresponding to the high moving speed to the UE, the UE performs the measurement using the tightened measurement requirements at the high moving speed. For example, the UE needs to complete the measurement within m*T time, where m is a value greater than 0 and less than 1 , T is the measurement delay requirement under normal conditions;
  • the UE uses the measurement requirement under normal circumstances to perform the measurement, for example, the UE needs to complete the measurement within T time;
  • the UE uses the relaxed measurement requirement at the low moving speed to perform the measurement. For example, the UE needs to complete the measurement within n*T time, where n is a value greater than 1, and T is Measurement delay requirements under normal conditions.
  • An example of the present disclosure provides a mobility management method, which specifically includes:
  • the UE sends an SRS signal to the serving cell, and the serving cell evaluates the moving speed of the UE by measuring the SRS signal.
  • the network base station respectively defines the speed threshold value of the high moving speed scene as H_Thres, the speed threshold value of the medium moving speed scene as M_Thres and the speed threshold value of the low moving speed scene as L_Thres;
  • the serving cell compares the estimated speed of the UE with the speed threshold in step 2, and determines which mobility scenario the UE is in as defined in step 2.
  • the serving cell determines the mobility scenario according to the determined mobility scenario. Send the corresponding indication signaling to the UE;
  • the UE applies different mobility measurement behaviors according to the received mobility scenario indication signaling:
  • the UE When the serving cell indicates a high moving speed scenario to the UE, the UE performs the measurement using the tightened measurement requirements in the high-speed scenario, for example, the UE needs to complete the measurement within m*T time, where m is a value greater than 0 and less than 1, T is the measurement delay requirement under normal conditions;
  • the UE uses the measurement requirements under normal circumstances to perform the measurement, for example, the UE needs to complete the measurement within T time;
  • the UE uses the relaxed measurement requirement in the low speed scenario to perform the measurement, for example, the UE needs to complete the measurement within n*T time, where n is a value greater than 1 and T is normal measurement delay requirements under the circumstances;
  • An embodiment of the present invention further provides an information transmission apparatus, which can be applied to a base station of wireless communication.
  • the information transmission apparatus 100 includes: a first determination module 110 and a first transmission module 120, wherein,
  • the first determining module 110 is configured to determine the moving speed of the UE
  • the first sending module 120 is configured to send, to the UE, measurement indications associated with a speed range to which the moving speed belongs, where the measurement indications associated with different speed ranges are used to indicate mobility measurements with different measurement requirements.
  • the measurement requirement for the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is stricter than the speed range having a lower movement speed value
  • the associated measurement indicates the measurement requirement of the indicated mobility measurement.
  • the measurement requirement of the mobility measurement includes: a measurement delay of the mobility measurement
  • the measurement delay of the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is smaller than the measurement indication associated with the speed range having a lower movement speed value the indicated measurement delay for the mobility measurement.
  • the first sending module 120 includes one of the following:
  • a first sending submodule 121 configured to, in response to the moving speed being greater than a first speed threshold, send the measurement indication indicating the mobility measurement of the first measurement delay
  • the second sending sub-module 122 is configured to, in response to the moving speed being less than or equal to the first speed threshold, and the moving speed being greater than the second speed threshold, send the mobility measurement indicating the second measurement delay the measurement indication;
  • a third sending submodule 123 configured to send the measurement indication indicating the mobility measurement of the third measurement delay in response to the movement speed being less than or equal to the second speed threshold;
  • the first speed threshold is greater than the second speed threshold, the first measurement delay is smaller than the second measurement delay, and the second measurement delay is smaller than the third measurement delay.
  • the apparatus 100 further includes:
  • the second determination module 130 is configured to determine the mobility scene associated with the speed range based on the speed range to which the movement speed belongs;
  • the first sending module 120 includes:
  • the fourth sending submodule 124 is configured to send the measurement indication associated with the mobility scenario to the UE.
  • the first determining module 110 includes:
  • the determining submodule 111 is configured to determine the moving speed of the UE based on a measurement result obtained by measuring the reference signal sent by the UE.
  • the reference signal includes a sounding reference signal SRS.
  • An embodiment of the present invention further provides an information transmission apparatus, which can be applied to a UE of wireless communication.
  • the information transmission apparatus 200 includes: a receiving module 210 and a third determining module 220, wherein,
  • the receiving module 210 is configured to receive the measurement indication sent by the base station
  • the third determining module 220 is configured to determine, according to the measurement indication, the mobility measurement adopted by the UE, and different measurement indications are used to indicate mobility measurements with different measurement requirements.
  • the apparatus 200 further includes:
  • a second sending module 230 configured to send a reference signal
  • the receiving module 210 includes:
  • the receiving sub-module 211 is configured to receive a measurement indication sent by the base station that is related to the speed range of the moving speed of the UE, wherein the moving speed of the UE is a measurement result of the base station based on the reference signal definite.
  • the reference signal includes a sounding reference signal SRS.
  • the measurement requirement for the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is stricter than the speed range having a lower movement speed value
  • the associated measurement indicates the measurement requirement of the indicated mobility measurement.
  • the measurement requirement of the mobility measurement includes: a measurement delay of the mobility measurement
  • the measurement delay of the mobility measurement indicated by the measurement indication associated with the speed range having a higher movement speed value is smaller than the measurement indication associated with the speed range having a lower movement speed value the indicated measurement delay for the mobility measurement.
  • the measured indication indicates a mobility measure of a first measurement delay
  • the measured indication indicates a mobility measure of a second measurement delay
  • the measured indication indicates a mobility measure of a third measurement delay
  • the first speed threshold is greater than the second speed threshold, the first measurement delay is smaller than the second measurement delay, and the second measurement delay is smaller than the third measurement delay.
  • the first determination module 110 , the first transmission module 120 , the second determination module 130 , the reception module 210 , the third determination module 220 , the second transmission module 230 , etc. may be controlled by one or more central processing units (CPU, Central Processing Unit), Graphics Processing Unit (GPU, Graphics Processing Unit), Baseband Processor (BP, baseband processor), Application Specific Integrated Circuit (ASIC, Application Specific Integrated Circuit), DSP, Programmable Logic Device (PLD) , Programmable Logic Device), Complex Programmable Logic Device (CPLD, Complex Programmable Logic Device), Field Programmable Gate Array (FPGA, Field-Programmable Gate Array), General Purpose Processor, Controller, Microcontroller (MCU, Micro Controller) Unit), a microprocessor (Microprocessor), or other electronic components to implement the aforementioned method.
  • CPU Central Processing Unit
  • GPU Graphics Processing Unit
  • BP Baseband Processor
  • ASIC Application Specific Integrated Circuit
  • DSP Programmable Logic Device
  • PLD Programmable Logic Device
  • FIG. 6 is a block diagram of an apparatus 3000 for information transmission according to an exemplary embodiment.
  • apparatus 3000 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • the apparatus 3000 may include one or more of the following components: a processing component 3002, a memory 3004, a power supply component 3006, a multimedia component 3008, an audio component 3010, an input/output (I/O) interface 3012, a sensor component 3014, And the communication component 3016.
  • the processing component 3002 generally controls the overall operation of the apparatus 3000, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 3002 can include one or more processors 3020 to execute instructions to perform all or some of the steps of the methods described above.
  • processing component 3002 may include one or more modules that facilitate interaction between processing component 3002 and other components.
  • processing component 3002 may include a multimedia module to facilitate interaction between multimedia component 3008 and processing component 3002.
  • Memory 3004 is configured to store various types of data to support operation at device 3000 . Examples of such data include instructions for any application or method operating on the device 3000, contact data, phonebook data, messages, pictures, videos, and the like. Memory 3004 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power supply assembly 3006 provides power to various components of device 3000.
  • Power supply components 3006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 3000.
  • Multimedia component 3008 includes a screen that provides an output interface between device 3000 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. A touch sensor can sense not only the boundaries of a touch or swipe action, but also the duration and pressure associated with the touch or swipe action.
  • the multimedia component 3008 includes a front-facing camera and/or a rear-facing camera. When the apparatus 3000 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 3010 is configured to output and/or input audio signals.
  • audio component 3010 includes a microphone (MIC) that is configured to receive external audio signals when device 3000 is in operating modes, such as call mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 3004 or transmitted via communication component 3016.
  • the audio component 3010 also includes a speaker for outputting audio signals.
  • the I/O interface 3012 provides an interface between the processing component 3002 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 3014 includes one or more sensors for providing status assessment of various aspects of device 3000 .
  • the sensor assembly 3014 can detect the open/closed state of the device 3000, the relative positioning of the components, such as the display and keypad of the device 3000, the sensor assembly 3014 can also detect the position change of the device 3000 or a component of the device 3000, the user The presence or absence of contact with the device 3000, the orientation or acceleration/deceleration of the device 3000 and the temperature change of the device 3000.
  • Sensor assembly 3014 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 3014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 3014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 3016 is configured to facilitate wired or wireless communication between apparatus 3000 and other devices.
  • the apparatus 3000 may access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G, or a combination thereof.
  • the communication component 3016 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 3016 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wide Band (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID Radio Frequency Identification
  • IrDA Infrared Data Association
  • UWB Ultra Wide Band
  • Bluetooth Bluetooth
  • apparatus 3000 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 3004 including instructions, which are executable by the processor 3020 of the apparatus 3000 to perform the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

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

Abstract

Les modes de réalisation de l'invention concernent un appareil et un procédé de transmission d'informations, un dispositif de communication et un support d'enregistrement. Le procédé consiste en les étapes suivantes : une station de base détermine une vitesse de déplacement d'un équipement utilisateur (UE) ; envoyer, à l'UE, une indication de mesure associée à une plage de vitesse à laquelle la vitesse de mouvement appartient, des indications de mesure associées à différentes plages de vitesse étant utilisées pour indiquer des mesures de mobilité de différentes exigences de mesure.
PCT/CN2021/080854 2021-03-15 2021-03-15 Appareil et procédé de transmission d'informations, dispositif de communication et support d'enregistrement WO2022193093A1 (fr)

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CN202180000777.6A CN115349270A (zh) 2021-03-15 2021-03-15 信息传输方法、装置、通信设备和存储介质
PCT/CN2021/080854 WO2022193093A1 (fr) 2021-03-15 2021-03-15 Appareil et procédé de transmission d'informations, dispositif de communication et support d'enregistrement

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CN101272591A (zh) * 2007-03-21 2008-09-24 展讯通信（上海）有限公司 基于速度测量的无线定位上报周期调节方法
CN101453770A (zh) * 2007-12-07 2009-06-10 华为技术有限公司 一种测量控制方法和装置
CN101610521A (zh) * 2008-06-19 2009-12-23 中国移动通信集团公司 一种调整测量上报周期的方法及装置
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Publication number Priority date Publication date Assignee Title
CN101272591A (zh) * 2007-03-21 2008-09-24 展讯通信（上海）有限公司 基于速度测量的无线定位上报周期调节方法
CN101453770A (zh) * 2007-12-07 2009-06-10 华为技术有限公司 一种测量控制方法和装置
CN101610521A (zh) * 2008-06-19 2009-12-23 中国移动通信集团公司 一种调整测量上报周期的方法及装置
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