WO2022067766A1 - Appareil de configuration et procédé de configuration de signalisation de référence de positionnement et support de stockage - Google Patents

Appareil de configuration et procédé de configuration de signalisation de référence de positionnement et support de stockage Download PDF

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Publication number
WO2022067766A1
WO2022067766A1 PCT/CN2020/119669 CN2020119669W WO2022067766A1 WO 2022067766 A1 WO2022067766 A1 WO 2022067766A1 CN 2020119669 W CN2020119669 W CN 2020119669W WO 2022067766 A1 WO2022067766 A1 WO 2022067766A1
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WIPO (PCT)
Prior art keywords
reference signal
positioning reference
network device
signal configuration
wireless network
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PCT/CN2020/119669
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English (en)
Chinese (zh)
Inventor
董贤东
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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 PCT/CN2020/119669 priority Critical patent/WO2022067766A1/fr
Priority to CN202080002634.4A priority patent/CN114762403A/zh
Publication of WO2022067766A1 publication Critical patent/WO2022067766A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a positioning reference signal configuration method, a configuration device, and a storage medium.
  • 5G R16 introduces a variety of positioning technologies, which can realize the positioning of terminals.
  • the network device needs to send positioning reference signal (Positioning reference signaling, PRS) configuration information to the terminal.
  • PRS positioning reference signal
  • the PRS is a periodic PRS, that is, the network device periodically sends the PRS to the terminal, and the terminal periodically determines the PRS according to the configuration information of the PRS.
  • R17 considers the introduction of aperiodic PRS (aperiodic PRS, A-PRS) and semi-persistent PRS (Semi-persistent PRS).
  • the current process of configuring a PRS for a terminal cannot meet the requirements for configuring aperiodic PRS and semi-persistent PRS configuration. Therefore, it is necessary to enhance the existing PRS configuration process.
  • the present disclosure provides a positioning reference signal configuration method, a configuration device and a storage medium.
  • a positioning reference signal configuration method which is applied to a core network device.
  • the positioning reference signal configuration method includes: sending first request information to a wireless network device, the first request information Used to request positioning reference signal configuration information, and used to indicate the type of positioning reference signal, where the type of positioning reference signal includes at least one of periodic positioning reference signal, aperiodic positioning reference signal and semi-persistent positioning reference signal.
  • the positioning reference signal configuration method further includes: receiving first response information sent by the wireless network device, where the first response information includes first positioning reference signal configuration information configured by the wireless network device, The first positioning reference signal configuration information is determined based on the type of the positioning reference signal.
  • the wireless network device includes a first wireless network device and a second wireless network device, wherein the first wireless network device is a wireless network device to which a terminal serving cell belongs, and the second wireless network device Including the wireless network equipment to which the neighboring cells of the terminal belong.
  • the second wireless network device includes a wireless network device participating in terminal positioning
  • the positioning reference signal configuration method further includes: sending first positioning reference signal configuration information corresponding to the wireless network device participating in terminal positioning To the first wireless network device, the first wireless network device is a wireless network device to which the terminal serving cell belongs.
  • the positioning reference signal configuration method further includes: sending the first positioning reference signal configuration information to the terminal.
  • the first positioning reference signal includes an aperiodic positioning reference signal and/or a semi-persistent positioning reference signal
  • the positioning reference signal configuration method further includes: sending first indication information to the wireless network device , the first indication information is used to instruct the wireless network device to activate the aperiodic positioning reference signal configuration information and/or the semi-persistent positioning reference signal configuration information.
  • a positioning reference signal configuration method which is applied to a wireless network device.
  • the positioning reference signal configuration method includes: receiving first request information sent by a core network device, the first request information Used to request positioning reference signal configuration information, and used to indicate the type of positioning reference signal, where the type of positioning reference signal includes at least one of periodic positioning reference signal, aperiodic positioning reference signal and semi-persistent positioning reference signal.
  • the positioning reference signal configuration method further includes: sending first response information to the core network device, where the first response information includes first positioning reference signal configuration information configured by the wireless network device, the The first positioning reference signal configuration information is determined based on the type of the positioning reference signal.
  • the wireless network device includes a first wireless network device and a second wireless network device, wherein the first wireless network device is a wireless network device to which a terminal serving cell belongs, and the second wireless network device Including the wireless network equipment to which the neighboring cells of the terminal belong.
  • the positioning reference signal configuration method further includes: acquiring first positioning reference signal configuration information sent by a core network device, where the first positioning reference signal configuration information sent by the core network device is a wireless device participating in terminal positioning. Positioning reference signal configuration information corresponding to the network device.
  • the positioning reference signal configuration method further includes: sending first positioning reference signal configuration information to the terminal, where the first positioning reference signal configuration information is determined based on the type of the positioning reference signal.
  • the first positioning reference signal includes an aperiodic positioning reference signal and/or a semi-persistent positioning reference signal
  • the positioning reference signal configuration method further includes: sending second indication information to the terminal, the first positioning reference signal The second indication information is used to activate the aperiodic positioning reference signal configuration information and/or the semi-persistent positioning reference signal configuration information.
  • the wireless network device is a wireless network device to which the terminal serving cell belongs, and the positioning reference signal configuration method further includes: sending third indication information, where the third indication information is used to indicate the participating terminal
  • the positioning wireless network device activates the aperiodic positioning reference signal configuration information and/or the semi-persistent positioning reference signal configuration information.
  • the positioning reference signal configuration method further includes: receiving first indication information sent by a core network device, where the first indication information is used to instruct the wireless network device to activate the aperiodic positioning reference signal configuration information and/or semi-persistent positioning reference signal configuration information.
  • a positioning reference signal configuration method which is applied to a terminal.
  • the positioning reference signal configuration method includes: receiving first positioning reference signal configuration information, where the first positioning reference signal configuration information is: Determined based on the type of the positioning reference signal, where the type of the positioning reference signal includes at least one of a periodic positioning reference signal, an aperiodic positioning reference signal, and a semi-persistent positioning reference signal; based on the first positioning reference signal configuration information , to determine the positioning reference signal.
  • the receiving the first positioning reference signal configuration information includes: receiving the first positioning reference signal configuration information sent by a core network device or a wireless network device.
  • the positioning reference signal configuration method further includes: if the first positioning reference signal configuration information includes aperiodic positioning reference signal configuration information and/or semi-persistent positioning reference signal configuration information, confirming that the second indication information, where the second indication information is used to activate the aperiodic positioning reference signal configuration information and/or the semi-persistent positioning reference signal configuration information.
  • a positioning reference signal configuration apparatus which is applied to a core network device.
  • the positioning reference signal configuration apparatus includes: a sending unit configured to send first request information to a wireless network device, the The first request information is used to request positioning reference signal configuration information, and is used to indicate the type of positioning reference signal, and the type of positioning reference signal includes periodic positioning reference signal, aperiodic positioning reference signal, and semi-persistent positioning reference signal. at least one of.
  • the positioning reference signal configuration apparatus further includes: a receiving unit configured to receive first response information sent by the wireless network device, where the first response information includes a first positioning configured by the wireless network device Reference signal configuration information, where the first positioning reference signal configuration information is determined based on the type of the positioning reference signal.
  • the wireless network device includes a first wireless network device and a second wireless network device, wherein the first wireless network device is a wireless network device to which a terminal serving cell belongs, and the second wireless network device Including the wireless network equipment to which the neighboring cells of the terminal belong.
  • the second wireless network device includes a wireless network device participating in terminal positioning
  • the sending unit is further configured to: send the first positioning reference signal configuration information corresponding to the wireless network device participating in terminal positioning to the terminal.
  • the first wireless network device where the first wireless network device is a wireless network device to which the terminal serving cell belongs.
  • the sending unit is further configured to: send the first positioning reference signal configuration information to the terminal.
  • the first positioning reference signal includes an aperiodic positioning reference signal and/or a semi-persistent positioning reference signal
  • the sending unit is further configured to: send first indication information to the wireless network device, the The first indication information is used to instruct the wireless network device to activate the aperiodic positioning reference signal configuration information and/or the semi-persistent positioning reference signal configuration information.
  • a positioning reference signal configuration apparatus which is applied to a wireless network device.
  • the positioning reference signal configuration apparatus includes: a receiving unit configured to receive first request information sent by a core network device, The first request information is used to request positioning reference signal configuration information, and is used to indicate the type of positioning reference signal, where the types of positioning reference signal include periodic positioning reference signal, aperiodic positioning reference signal and semi-persistent positioning reference signal at least one of them.
  • the apparatus further includes: a sending unit configured to send first response information to the core network device, where the first response information includes first positioning reference signal configuration information configured by the wireless network device, The first positioning reference signal configuration information is determined based on the type of the positioning reference signal.
  • the wireless network device includes a first wireless network device and a second wireless network device, wherein the first wireless network device is a wireless network device to which a terminal serving cell belongs, and the second wireless network device Including the wireless network equipment to which the neighboring cells of the terminal belong.
  • the receiving unit is further configured to: acquire first positioning reference signal configuration information sent by a core network device, where the first positioning reference signal configuration information sent by the core network device is a wireless network participating in terminal positioning. Positioning reference signal configuration information corresponding to the device.
  • the apparatus further includes: a sending unit configured to send first positioning reference signal configuration information to the terminal, where the first positioning reference signal configuration information is determined based on the type of the positioning reference signal.
  • the first positioning reference signal includes an aperiodic positioning reference signal and/or a semi-persistent positioning reference signal
  • the sending unit is further configured to: send second indication information to the terminal, the second The indication information is used to activate the aperiodic positioning reference signal configuration information and/or the semi-persistent positioning reference signal configuration information.
  • the apparatus further includes: a sending unit configured to send third indication information, where the third indication information is used to instruct the wireless network device participating in terminal positioning to activate the aperiodic positioning reference Signal configuration information and/or semi-persistent positioning reference signal configuration information.
  • the receiving unit is further configured to:
  • a positioning reference signal configuration apparatus which is applied to a terminal, and the positioning reference signal configuration apparatus includes:
  • the receiving unit is configured to receive first positioning reference signal configuration information, and determine a positioning reference signal based on the first positioning reference signal configuration information.
  • the first positioning reference signal configuration information is determined based on the type of the positioning reference signal, and the type of the positioning reference signal is the first request information indication sent by the core network device, and includes periodic positioning reference signals and aperiodic positioning reference signals. and at least one of semi-persistent positioning reference signals.
  • the receiving unit receives the first positioning reference signal configuration information in the following manner: receiving the first positioning reference signal configuration information sent by the core network device or the wireless network device.
  • the receiving unit is further configured to: if the first positioning reference signal includes an aperiodic positioning reference signal and/or a semi-persistent positioning reference signal, confirm that the second indication information is received, and the second The indication information is used to activate the aperiodic positioning reference signal configuration information and/or the semi-persistent positioning reference signal configuration information.
  • an apparatus for configuring a positioning reference signal including:
  • processor ; memory for storing processor-executable instructions;
  • the processor is configured to: execute the first aspect or the positioning reference signal configuration method described in any implementation manner of the first aspect.
  • a positioning reference signal configuration device including:
  • processor ; memory for storing processor-executable instructions;
  • the processor is configured to: execute the second aspect or the positioning reference signal configuration method described in any implementation manner of the second aspect.
  • a positioning reference signal configuration apparatus including:
  • processor ; memory for storing processor-executable instructions;
  • the processor is configured to: execute the positioning reference signal configuration method described in the third aspect or any embodiment of the third aspect.
  • a non-transitory computer-readable storage medium is provided.
  • the processor of the core network device can execute the first Aspect or the positioning reference signal configuration method described in any embodiment of the first aspect.
  • a non-transitory computer-readable storage medium is provided.
  • the processor of the wireless network device can execute the instructions.
  • a non-transitory computer-readable storage medium when an instruction in the storage medium is executed by a processor of a terminal, the processor of the terminal can execute the third aspect or the third aspect.
  • the core network device sends first request information to the wireless network device, where the first request information is used to request the configuration of the positioning reference signal, and is used to indicate the configured positioning reference signal type.
  • the types of the positioning reference signals include at least one of periodic positioning reference signals, aperiodic positioning reference signals, and semi-persistent positioning reference signals.
  • the wireless network device receives the first request information.
  • the terminal receives the first positioning reference signal configuration information determined based on the type of the positioning reference signal indicated by the first request information.
  • the present disclosure enables core network equipment and wireless network equipment to configure aperiodic positioning reference signals or semi-persistent positioning reference signals, and a terminal can use aperiodic positioning reference signals or semi-persistent positioning reference signals when performing downlink positioning, thereby improving positioning accuracy. , reducing the positioning delay.
  • FIG. 1 is an architectural diagram of a wireless communication system according to an exemplary embodiment.
  • FIG. 2 is an interaction flow diagram of PRS configuration performed by a wireless network device and a core network device shown in an exemplary embodiment.
  • FIG. 3 shows an interaction flow chart for configuring PRS configuration information for a terminal by a core network device in an exemplary embodiment.
  • Fig. 4 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 5 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 6 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 7 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 8 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 9 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 10 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 11 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 12 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 13 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 14 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 15 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 16 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • Fig. 17 is a block diagram of a PRS configuration apparatus according to an exemplary embodiment.
  • Fig. 18 is a block diagram of a PRS configuration apparatus according to an exemplary embodiment.
  • Fig. 19 is a block diagram of a PRS configuration apparatus according to an exemplary embodiment.
  • Fig. 20 is a block diagram of an apparatus for PRS configuration according to an exemplary embodiment.
  • Fig. 21 is a block diagram of an apparatus for PRS configuration according to an exemplary embodiment.
  • the present disclosure provides a positioning reference signal configuration method, which can be applied to the wireless communication system shown in FIG. 1 .
  • a terminal accesses a wireless access network through a wireless access network network device such as a base station.
  • the wireless access network network equipment and the core network network equipment complete the backhaul and forward transfer of data to perform various communication services.
  • a wireless communication system is a network that provides wireless communication functions.
  • Wireless communication systems can use different communication technologies, such as code division multiple access (CDMA), wideband code division multiple access (WCDMA), time division multiple access (TDMA) , frequency division multiple access (frequency division multiple access, FDMA), orthogonal frequency division multiple access (orthogonal frequency-division multiple access, OFDMA), single carrier frequency division multiple access (single Carrier FDMA, SC-FDMA), carrier sense Carrier Sense Multiple Access with Collision Avoidance.
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency division multiple access
  • single carrier frequency division multiple access single Carrier FDMA, SC-FDMA
  • carrier sense Carrier Sense Multiple Access with Collision Avoidance carrier sense Carrier Sense Multiple Access with Collision Avoidance.
  • the network can be divided into 2G (English: generation) network, 3G network, 4G network or future evolution network, such as 5G network, 5G network can also be called a new wireless network ( New Radio, NR).
  • 5G network can also be called a new wireless network ( New Radio, NR).
  • the network in the present disclosure may include a radio access network (Radio Access Network, RAN) and a core network (Core Network, CN).
  • the network includes a network device, and the network device may be, for example, a wireless network device, a core network device, or the like.
  • the wireless network device may also be referred to as a base station.
  • the network can provide network services for the terminal through network equipment, and different operators can provide different network services for the terminal. It can also be understood that different operators correspond to different operator networks.
  • wireless network devices can be called gNBs.
  • Terminal (Terminal), sometimes called Mobile Station (Mobile Station, MS), may also be called User Equipment (User Equipment, UE), Mobile Terminal (Mobile Terminal, MT), etc.
  • the device for data connectivity for example, the terminal may be a handheld device with a wireless connection function, a vehicle-mounted device, or the like.
  • terminals are: Smartphone (Mobile Phone), Pocket Personal Computer (PPC), PDA, Personal Digital Assistant (PDA), notebook computer, tablet computer, wearable device, or Vehicle equipment, etc.
  • the terminal is referred to as a UE as an example for description below.
  • 5G R16 introduces a variety of positioning technologies, which can realize the positioning of the UE.
  • the network needs to send the configuration of the PRS to the UE.
  • the network may send the PRS configuration to the UE through the communication process shown in FIG. 2 and FIG. 3 .
  • the process of configuring the PRS for the UE is described by taking the downlink time difference of arrival (DL-TDOA) as an example.
  • FIG. 2 is an interaction flow diagram of PRS configuration performed by a wireless network device and a core network device shown in an exemplary embodiment.
  • the LMF sends the DL-TDOA request message to the gNB through the NR Positioning Protocol A (NRPPa), and the gNB sends the DL-TDOA response message to the LMF after receiving the request.
  • PRS configuration information After the LMF receives the PRS configuration information, it can send the PRS configuration information to the UE through the process shown in FIG. 3 .
  • FIG. 3 shows an interaction flow chart for configuring PRS configuration information for a terminal by a core network device in an exemplary embodiment.
  • the LMF includes the PRS configuration information of the base station in the LTE Positioning Protocol (LTE Positioning Protocol, LPP) message sent to the UE.
  • LMF provides the gNB with the positioning system message, the gNB sends the positioning system message, and the positioning system message includes the configuration information of the PRS.
  • LTE Positioning Protocol LTE Positioning Protocol
  • the above-mentioned PRS configuration process of R16 is aimed at the periodic PRS configuration, that is, after the network sends the periodic PRS configuration to the UE, the UE can always determine the PRS according to the PRS configuration, and the network periodically sends the PRS configuration according to the PRS. .
  • R17 considers introducing aperiodic PRS and semi-persistent PRS, and the current process of configuring PRS for UE will not meet the requirements for configuring aperiodic PRS and semi-persistent PRS configuration. Therefore, the existing PRS configuration process needs to be enhanced.
  • An embodiment of the present disclosure provides a PRS configuration method.
  • a core network device requests and indicates PRS configuration information from a wireless network device, where the PRS configuration information includes periodic PRS configuration, aperiodic PRS configuration, and semi-persistent PRS configuration. At least one of the PRS configurations.
  • the core network device and/or the wireless network device determine the PRS configuration information, and configure the PRS configuration information to the terminal to implement downlink positioning using aperiodic positioning reference signals or semi-persistent positioning reference signals, improve positioning accuracy, and reduce positioning delay.
  • the PRS configuration involved in the embodiments of the present disclosure may be downlink positioning PRS.
  • the request information in which the core network device requests the PRS configuration information from the wireless network device and indicates the type of the PRS is referred to as the first request information.
  • the first request information is used to request PRS configuration information and used to indicate the type of PRS.
  • the types of PRS include at least one of periodic PRS, aperiodic PRS, and semi-persistent PRS.
  • the PRS configuration information configured by the core network device/or the wireless network device for the terminal based on the PRS type indicated by the first request information is referred to as the first PRS configuration information.
  • Fig. 4 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • the PRS configuration method used in a core network device such as an LMF, includes the following steps.
  • step S11 first request information is sent to the wireless network device, where the first request information is used to request PRS configuration information, and is used to indicate the type of PRS, and the type of PRS includes periodic PRS, aperiodic PRS, and semi-persistent PRS. at least one of.
  • the first request information may be an NRPPa message
  • the NRPPa message includes indication information, which is used to indicate that at least one of the following PRSs is requested:
  • the core network can determine the type of PRS used for positioning according to the positioning requirement, so the first request information indicates whether the type of the requested PRS is periodic PRS, aperiodic PRS or semi-persistent PRS.
  • the PRS configuration information involved in the embodiment of the present disclosure may be downlink PRS configuration information used for the terminal to perform downlink positioning.
  • the wireless network device receives the first request information sent by the core network device, and sends response information, which is hereinafter referred to as the first response information.
  • the core network device receives the first response information sent by the wireless network device.
  • the first response information includes PRS configuration information configured by the wireless network device.
  • Fig. 5 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • the PRS configuration method is used in a core network device, such as an LMF.
  • the PRS configuration method includes, in addition to step S11, the following step S12:
  • step S12 first response information sent by the wireless network device is received, where the first response information includes first PRS configuration information configured by the wireless network device.
  • the first PRS configuration information is determined based on the type of PRS.
  • the first PRS configuration information also needs to be PRS configuration information supported by the wireless network device. For example, what the core network device requests is aperiodic PRS, and the wireless network device supports aperiodic PRS, and the first response information sent by the wireless network device to the core network device includes aperiodic PRS configuration.
  • the core network device may send the first request information to the wireless network device to which the terminal serving cell belongs and the wireless network device to which the terminal's neighboring cells belong, requesting the PRS configuration information indicated by the configuration.
  • the wireless network device to which the serving cell of the terminal belongs is referred to as the first wireless network device
  • the wireless network device to which the adjacent cell of the terminal belongs is referred to as the second wireless network device. That is, the wireless network device includes a first wireless network device and a second wireless network device, wherein the first wireless network device is the wireless network device to which the terminal serving cell belongs, and the second wireless network device includes the wireless network device to which neighboring cells of the terminal belong.
  • the second wireless network device includes a wireless network device participating in terminal positioning.
  • the core network device also needs to send the first PRS configuration information corresponding to the wireless network device participating in terminal positioning to the first wireless network device. Wireless network equipment.
  • Fig. 6 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • the PRS configuration method is used in a core network device, such as an LMF.
  • the PRS configuration method includes, in addition to step S11 and step S12, the following step S13:
  • step S13 the first PRS configuration information corresponding to the wireless network device participating in the terminal positioning is sent to the first wireless network device.
  • the core network device may send the first PRS configuration information to the terminal, so as to configure the terminal with the first PRS configuration information. PRS corresponding to the configuration information.
  • the core network device may carry the first PRS configuration information in an LPP message to send.
  • the first PRS configuration information includes a periodic PRS configuration
  • the terminal may periodically receive a PRS signal based on the periodic PRS configuration in a conventional manner.
  • the first PRS configuration information includes aperiodic PRS configuration information and/or semi-persistent PRS configuration information.
  • the terminal needs to wait for the indication of the network to determine the PRS.
  • the core network device may send first indication information to the wireless network device, where the first indication information is used to instruct the wireless network device to activate the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information, that is, the wireless network device After receiving the first indication information, the PRS starts to be sent.
  • the core network device may carry the first indication information in an NRPPa message to send.
  • Fig. 7 is a flow chart showing a PRS configuration method according to an exemplary embodiment.
  • the PRS configuration method is used in a core network device, such as an LMF.
  • the PRS configuration method includes, in addition to step S11, step S12 and step S13, the following step S14:
  • step S14 first indication information is sent to the wireless network device, where the first indication information is used to instruct the wireless network device to activate the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information.
  • the first indication information is sent to the wireless network device, and the wireless network device is activated to start sending the PRS.
  • the wireless network device may send an activation indication for activating the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information to the terminal, instructing the terminal to start receiving the PRS, so as to achieve position.
  • the activation indication sent by the wireless network device to the terminal may be sent based on downlink control information (Downlink Control Information, DCI).
  • DCI Downlink Control Information
  • the PRS configuration method provided by the embodiments of the present disclosure enables the core network device and the wireless network device to configure the aperiodic positioning reference signal or the semi-persistent positioning reference signal, and the terminal can use the aperiodic positioning reference signal or the semi-persistent positioning reference signal when performing downlink positioning. Positioning reference signal to improve positioning accuracy and reduce positioning delay.
  • An embodiment of the present disclosure further provides a PRS configuration method, which is applied to a wireless network device.
  • Fig. 8 is a flowchart showing a PRS configuration method according to an exemplary embodiment, and the PRS configuration method is used in a wireless network device, such as a gNB. As shown in FIG. 8 , the PRS configuration method includes the following step S21.
  • step S21 the first request information sent by the core network device is received.
  • the first request information is used to request the PRS configuration information and is used to indicate the type of the PRS.
  • the types of the PRS include periodic PRS, aperiodic PRS and semi-persistent PRS at least one of them.
  • the core network device sends first request information to the wireless network device, indicating the PRS configuration information to be configured.
  • the wireless network device receives the first request information sent by the core network device.
  • the first request information may be an NRPPa message, and the NRPPa message includes indication information for instructing to request at least one kind of PRS configuration information among periodic PRS configuration information, aperiodic PRS configuration information, and semi-persistent PRS configuration information.
  • the wireless network device may send first response information to the core network device, where the first response information includes the first PRS configuration information configured by the wireless network device, and the first PRS configuration information is:
  • the PRS configuration information is determined based on the type of PRS and supported by the wireless network device.
  • Fig. 9 is a flowchart showing a PRS configuration method according to an exemplary embodiment, and the PRS configuration method is used in a wireless network device.
  • the PRS configuration method includes, in addition to step S21, the following step S22:
  • step S22 first response information is sent to the core network device, where the first response information includes first PRS configuration information configured by the wireless network device.
  • the first PRS configuration information is determined based on the type of PRS.
  • the first PRS configuration information is PRS configuration information supported by the wireless network device.
  • the wireless network device includes a first wireless network device and a second wireless network device, wherein the first wireless network device is a wireless network device belonging to the serving cell of the terminal, and the second wireless network device includes a neighboring cell belonging to the terminal.
  • Wireless network equipment
  • the wireless network device that performs PRS configuration on the terminal may uniformly send the PRS configuration information corresponding to the wireless network device participating in the positioning of the terminal to the terminal.
  • the first wireless network device may also obtain first PRS configuration information sent by the core network device, where the first PRS configuration information sent by the core network device is PRS configuration information corresponding to the wireless network device participating in terminal positioning.
  • Fig. 10 is a flowchart showing a PRS configuration method according to an exemplary embodiment, and the PRS configuration method is used in a wireless network device.
  • the PRS configuration method includes, in addition to step S21 and step S22, the following step S23:
  • step S23 the first PRS configuration information sent by the core network device is acquired, and the first PRS configuration information sent by the core network device is the PRS configuration information corresponding to the wireless network device participating in the terminal positioning.
  • the wireless network device may send the PRS configuration information to the terminal, so as to determine the PRS configuration for the terminal.
  • the wireless network device in the embodiment of the present disclosure may send the PRS configuration information to the terminal based on a radio resource control (Radio Resource Control, RRC) message.
  • RRC Radio Resource Control
  • Fig. 11 is a flowchart showing a PRS configuration method according to an exemplary embodiment, and the PRS configuration method is used in a wireless network device.
  • the PRS configuration method includes, in addition to step S21, step S22 and step S23, the following step S24:
  • step S24 first PRS configuration information is sent to the terminal, where the first PRS configuration information is determined based on the type of PRS.
  • the first PRS configuration information is PRS configuration information supported by the wireless network device.
  • the first PRS configuration information includes aperiodic PRS configuration information and/or semi-persistent PRS configuration information
  • the PRS configuration method further includes: sending second indication information to the terminal, where the second indication information is used to activate the aperiodic PRS configuration information Persistent PRS configuration information and/or semi-persistent PRS configuration information. And/or, send third indication information to wireless network devices participating in terminal positioning, where the third indication information is used to instruct other wireless network devices participating in terminal positioning to activate aperiodic PRS configuration information and/or semi-persistent PRS configuration information.
  • the second indication information in this embodiment of the present disclosure may be sent based on DCI.
  • the third indication information may be sent through the Xn interface.
  • Fig. 12 is a flowchart showing a PRS configuration method according to an exemplary embodiment, and the PRS configuration method is used in a wireless network device.
  • the PRS configuration method shown in FIG. 12 further includes the following steps S25 and/or S26:
  • step S25 second indication information is sent to the terminal, where the second indication information is used to activate the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information.
  • step S26 send third indication information to other wireless network devices participating in terminal positioning, where the third indication information is used to instruct other wireless network devices participating in terminal positioning to activate aperiodic PRS configuration information and/or semi-persistent PRS configuration information .
  • the wireless network device before the wireless network device activates the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information, it may also receive first indication information sent by the core network device, where the first indication information is used to instruct the wireless network device to activate Aperiodic PRS configuration information and/or semi-persistent PRS configuration information.
  • the wireless network device interacts with the core network device to configure the PRS information, and sends the first PRS configuration information to the terminal, so as to configure the terminal aperiodic PRS configuration information and/or semi-persistent PRS configuration information.
  • the terminal activates the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information, it receives the PRS, so that the terminal can use the aperiodic positioning reference signal or the semi-persistent positioning reference signal when performing downlink positioning, so as to improve positioning accuracy and reduce positioning delay.
  • the terminal may determine the PRS signal based on the first PRS configuration information, and perform downlink positioning.
  • An embodiment of the present disclosure further provides a PRS configuration method, which is applied to a terminal.
  • Fig. 13 is a flowchart showing a PRS configuration method according to an exemplary embodiment, and the PRS configuration method is used in a terminal.
  • the PRS configuration method shown in FIG. 13 includes step S31 and step S32.
  • step S31 the first PRS configuration information is received.
  • the first PRS configuration information is determined based on the type of PRS.
  • the first PRS configuration information is PRS configuration information supported by the wireless network device.
  • the type of the PRS is the first request information indication sent by the core network device, and includes at least one of periodic PRS configuration information, aperiodic PRS configuration information, and semi-persistent PRS configuration information.
  • the terminal may receive the first PRS configuration information sent by the core network device or the wireless network device.
  • the first PRS configuration information may be received based on RRC signaling.
  • step S32 a PRS is determined based on the first PRS configuration information.
  • the first PRS configuration information includes a periodic PRS configuration
  • the terminal may periodically receive a PRS signal based on the periodic PRS configuration in a conventional manner.
  • the first PRS configuration information includes aperiodic PRS configuration information and/or semi-persistent PRS configuration information. The terminal needs to wait for an instruction from the network, and after activating the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information, uses the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information to determine and receive the PRS.
  • Fig. 14 is a flowchart showing a PRS configuration method according to an exemplary embodiment, and the PRS configuration method is used in a terminal. As shown in FIG. 14, the PRS configuration method further includes step S33.
  • step S33 if the first PRS configuration information includes aperiodic PRS configuration information and/or semi-persistent PRS configuration information, it is confirmed that the second indication information is received, and the second indication information is used to activate the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information. / or Semi-persistent PRS configuration information.
  • the PRS configuration method provided by the embodiments of the present disclosure enables a terminal to utilize aperiodic PRS or semi-persistent PRS when performing downlink positioning, thereby improving positioning accuracy and reducing positioning delay.
  • the PRS configuration method provided by the embodiments of the present disclosure can also be applied to the interaction process of the terminal, the wireless network device, and the core network device.
  • the wireless network device and the core network device to interactively implement the implementation process of the PRS configuration method, reference may be made to the relevant descriptions of the foregoing embodiments.
  • the core network device is the LMF
  • the wireless network device is the gNB
  • the terminal is the UE as an example for description.
  • the main process for LMF, gNB and UE to realize PRS configuration is as follows:
  • the LMF sends an NRPPa message to the gNB, where the NRPPa message includes indication information for indicating that the PRS type requested by the LMF to the gNB is at least one of periodic PRS configuration, aperiodic PRS configuration and semi-persistent PRS configuration.
  • the gNB determines to send the PRS configuration information to the LMF according to the PRS type requested by the LMF in the above indication. For example, if the type of PRS requested by the LMF is aperiodic PRS, the gNB sends the aperiodic PRS configuration to the LMF.
  • the LMF sends at least one of the periodic PRS configuration information, the aperiodic PRS configuration information and the semi-persistent PRS configuration information sent by the gNB to the UE through the LPP message.
  • the PRS configuration information requested by the LMF and the configuration information sent by the gNB to the LMF are not coupled.
  • the LMF requests the gNB for periodic PRS configuration information, but the gNB sends the aperiodic PRS configuration information to the LMF.
  • the LMF sends the PRS configuration information of multiple gNBs participating in UE positioning to the gNB that receives the NRPPa message.
  • the positioning of the UE requires the participation of multiple TRPs, which may be multiple TRPs of one gNB on the one hand, or multiple TRPs of multiple gNBs on the other hand.
  • multiple TRPs which may be multiple TRPs of one gNB on the one hand, or multiple TRPs of multiple gNBs on the other hand.
  • the PRS configuration information of other gNBs is also sent to the gNBs corresponding to the serving cell of the UE. If multiple TRPs of one gNB are involved in UE positioning, step 3.2 does not need to be performed.
  • the gNB sends the PRS configuration information to the UE.
  • the UE receives the periodic PRS configuration
  • the UE receives the PRS according to the PRS configuration. If the UE receives an aperiodic PRS or a semi-persistent PRS, it needs to wait for an indication from the network to receive the PRS.
  • the LMF configures the UE with semi-static or aperiodic PRS
  • the LMF sends indication information to the gNB, where the indication information is used to instruct the gNB to activate semi-static or aperiodic PRS transmission.
  • the gNB when the gNB receives the PRS configuration information of other gNBs, and/or the LMF instructs the gNB to activate PRS transmission of other gNBs, the gNB sends indication information to other gNBs through the Xn interface, instructing other gNBs to activate semi-static or aperiodic PRS transmission.
  • the LMF needs to send indication information to multiple gNBs.
  • the LMF sends indication information to the gNB to which the UE serving cell belongs, and the gNB to which the UE serving cell belongs sends the indication information to other gNBs.
  • the gNB sends an activation command (DCI) to the UE. After receiving the activation command, the UE receives the PRS according to the received PRS configuration.
  • DCI activation command
  • Fig. 15 is a flowchart showing a PRS configuration method according to an exemplary embodiment, and the PRS configuration method is used in the interaction process between the LMF, the gNB and the UE.
  • gNB1 is the base station corresponding to the serving cell of the UE (usually, a base station includes multiple cells).
  • gNB2 is a base station corresponding to a neighboring cell of the UE, and participates in the positioning of the UE.
  • the LMF requests the aperiodic PRS configuration from the gNB1 through the NRPPa message.
  • the LMF requests the aperiodic PRS configuration from the gNB2 through the NRPPa message.
  • gNB1 decides the aperiodic PRS configuration and sends the aperiodic PRS configuration to the LMF through the NRPPa message.
  • gNB2 decides the aperiodic PRS configuration and sends the aperiodic PRS configuration to the LMF through the NRPPa message.
  • the LMF sends the aperiodic PRS configuration to the UE through the LPP, and the aperiodic PRS configuration includes the PRS configuration of gNB1 and gNB2.
  • the LMF sends the activated aperiodic PRS configuration to the gNB1 through the NRPPa message, and the gNB sends the aperiodic PRS.
  • the LMF sends the active aperiodic PRS configuration to the gNB2 through the NRPPa message, and the gNB sends the aperiodic PRS.
  • gNB1 sends an activation aperiodic PRS indication to the UE through DCI, and the UE receives the PRS according to the configuration.
  • the PRS configuration process shown in FIG. 15 can also be performed without the participation of the base station corresponding to the UE's neighboring cells, that is, without the participation of gNB2, at this time, multiple TRPs corresponding to gNB1 can complete the positioning of the UE.
  • Fig. 16 is a flowchart showing a PRS configuration method according to an exemplary embodiment.
  • the PRS configuration method is used in the interaction process between the LMF, the gNB and the UE.
  • gNB1 is a base station corresponding to a serving cell of the UE (usually, a base station includes multiple cells).
  • gNB2 is a base station corresponding to a neighboring cell of the UE, and participates in the positioning of the UE.
  • the LMF requests the aperiodic PRS configuration from the gNB1 through the NRPPa message.
  • the LMF requests the aperiodic PRS configuration from the gNB2 through the NRPPa message.
  • gNB1 decides the aperiodic PRS configuration and sends the aperiodic PRS configuration to the LMF through the NRPPa message.
  • gNB2 decides the aperiodic PRS configuration and sends the aperiodic PRS configuration to the LMF through the NRPPa message.
  • the LMF sends the aperiodic PRS configuration to gNB1 through NRPPa, and the aperiodic PRS configuration includes the PRS configuration of gNB1 and gNB2.
  • gNB1 sends the received aperiodic PRS configuration to the UE through an RRC message.
  • the LMF sends the activated aperiodic PRS configuration to the gNB1 through the NRPPa message, and the gNB1 sends the aperiodic PRS.
  • gNB1 sends the activated aperiodic PRS configuration to gNB2 through the Xn message, and gNB2 sends the aperiodic PRS.
  • the gNB1 sends an activation aperiodic PRS indication to the UE through DCI, and the UE receives the PRS according to the activated PRS configuration.
  • the PRS configuration process involved in FIG. 16 can also be performed without the participation of the base station corresponding to the UE's neighboring cells, that is, without the participation of gNB2, at this time, multiple TRPs corresponding to gNB1 can complete the positioning of the UE.
  • the core network device and the wireless network device can configure aperiodic PRS or semi-persistent PRS, and the terminal can use aperiodic PRS or semi-persistent PRS when performing downlink positioning, thereby improving positioning accuracy and reducing positioning delay.
  • an embodiment of the present disclosure also provides a PRS configuration apparatus.
  • the PRS configuration apparatus includes corresponding hardware structures and/or software modules for executing each function.
  • the embodiments of the present disclosure can be implemented in hardware or a combination of hardware and computer software. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Those skilled in the art may use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the technical solutions of the embodiments of the present disclosure.
  • Fig. 17 is a block diagram of a PRS configuration apparatus according to an exemplary embodiment.
  • the PRS configuration apparatus 100 is applied to core network equipment, and the PRS configuration apparatus 100 includes a sending unit 101 .
  • the sending unit 101 is configured to send first request information to the wireless network device, where the first request information is used to request PRS configuration information, and is used to indicate the type of PRS, and the types of PRS include periodic PRS, aperiodic PRS and semi-persistent PRS At least one of PRS.
  • the PRS configuration apparatus 100 further includes a receiving unit 102 .
  • the receiving unit 102 is configured to receive first response information sent by the wireless network device, where the first response information includes first PRS configuration information configured by the wireless network device, and the first PRS configuration information is determined based on the type of PRS.
  • the wireless network device includes a first wireless network device and a second wireless network device, wherein the first wireless network device is a wireless network device belonging to the serving cell of the terminal, and the second wireless network device includes a neighboring cell belonging to the terminal.
  • Wireless network equipment
  • the second wireless network device includes a wireless network device participating in terminal positioning
  • the sending unit 101 is further configured to: send first PRS configuration information corresponding to the wireless network device participating in terminal positioning to the first wireless network device , the first wireless network device is the wireless network device to which the terminal serving cell belongs.
  • the sending unit 101 is further configured to: send the first PRS configuration information to the terminal.
  • the first PRS configuration information includes aperiodic PRS configuration information and/or semi-persistent PRS configuration information
  • the sending unit 101 is further configured to: send first indication information to the wireless network device, and the first indication information uses for instructing the wireless network device to activate the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information.
  • Fig. 18 is a block diagram of a PRS configuration apparatus according to an exemplary embodiment.
  • the PRS configuration apparatus 200 is applied to wireless network equipment, and the PRS configuration apparatus 200 includes a receiving unit 201 .
  • the receiving unit 201 is configured to receive first request information sent by a core network device, where the first request information is used to request PRS configuration information, and is used to indicate the type of PRS, and the types of PRS include periodic PRS, aperiodic PRS, and semi-periodic PRS. At least one of persistent PRS.
  • the PRS configuration apparatus 200 further includes a sending unit 202 .
  • the sending unit 202 is configured to send first response information to the core network device, where the first response information includes first PRS configuration information configured by the wireless network device, and the first PRS configuration information is determined based on the type of PRS.
  • the wireless network device includes a first wireless network device and a second wireless network device, wherein the first wireless network device is a wireless network device belonging to the serving cell of the terminal, and the second wireless network device includes a neighboring cell belonging to the terminal.
  • Wireless network equipment
  • the receiving unit 201 is further configured to obtain first PRS configuration information sent by the core network device, where the first PRS configuration information sent by the core network device is PRS configuration information corresponding to the wireless network device participating in the terminal positioning.
  • the PRS configuration apparatus 200 further includes a sending unit 202 .
  • the sending unit 202 is configured to send first PRS configuration information to the terminal, where the first PRS configuration information is PRS configuration information determined based on the type of PRS and supported by the wireless network device.
  • the first PRS configuration information includes aperiodic PRS configuration information and/or semi-persistent PRS configuration information
  • the sending unit is further configured to: send second indication information to the terminal, where the second indication information is used to activate the non-periodic PRS configuration information.
  • Periodic PRS configuration information and/or semi-persistent PRS configuration information are used to activate the non-periodic PRS configuration information.
  • the wireless network device is a wireless network device to which the terminal serving cell belongs
  • the PRS configuration apparatus 200 further includes a sending unit 202 .
  • the sending unit 202 is configured to send third indication information, where the third indication information is used to instruct other wireless network devices participating in terminal positioning to activate the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information.
  • the receiving unit 201 is further configured to: receive first indication information sent by the core network device, where the first indication information is used to instruct the wireless network device to activate the aperiodic PRS configuration information and/or the semi-persistent PRS configuration information .
  • Fig. 19 is a block diagram of a PRS configuration apparatus according to an exemplary embodiment.
  • the PRS configuration apparatus 300 includes a receiving unit 301 .
  • the receiving unit 301 is configured to receive the first PRS configuration information, and determine the PRS based on the first PRS configuration information.
  • the first PRS configuration information is determined based on the type of the PRS, which is indicated by the first request information sent by the core network device, and includes at least one of periodic PRS, aperiodic PRS, and semi-persistent PRS.
  • the receiving unit 301 receives the first PRS configuration information in the following manner: receiving the first PRS configuration information sent by the core network device or the wireless network device.
  • the receiving unit 301 is further configured to: if the first PRS configuration information includes aperiodic PRS configuration information and/or semi-persistent PRS configuration information, confirm that the second indication information is received, and the second indication information uses for activating aperiodic PRS configuration information and/or semi-persistent PRS configuration information.
  • Fig. 20 is a block diagram of an apparatus for PRS configuration according to an exemplary embodiment.
  • apparatus 400 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.
  • apparatus 400 may include one or more of the following components: processing component 402, memory 404, power component 406, multimedia component 408, audio component 410, input/output (I/O) interface 412, sensor component 414, and Communication component 416 .
  • the processing component 402 generally controls the overall operation of the device 400, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 402 may include one or more processors 420 to execute instructions to perform all or some of the steps of the methods described above. Additionally, processing component 402 may include one or more modules that facilitate interaction between processing component 402 and other components. For example, processing component 402 may include a multimedia module to facilitate interaction between multimedia component 408 and processing component 402.
  • Memory 404 is configured to store various types of data to support operations at device 400 . Examples of such data include instructions for any application or method operating on device 400, contact data, phonebook data, messages, pictures, videos, and the like. Memory 404 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 component 406 provides power to various components of device 400 .
  • Power components 406 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power to device 400 .
  • Multimedia component 408 includes screens that provide an output interface between the device 400 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. The touch sensor may not only sense the boundaries of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action.
  • multimedia component 408 includes a front-facing camera and/or a rear-facing camera. When the apparatus 400 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 of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 410 is configured to output and/or input audio signals.
  • audio component 410 includes a microphone (MIC) that is configured to receive external audio signals when device 400 is in operating modes, such as call mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 404 or transmitted via communication component 416 .
  • audio component 410 also includes a speaker for outputting audio signals.
  • the I/O interface 412 provides an interface between the processing component 402 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 414 includes one or more sensors for providing status assessment of various aspects of device 400 .
  • the sensor assembly 414 can detect the open/closed state of the device 400, the relative positioning of components, such as the display and keypad of the device 400, and the sensor assembly 414 can also detect a change in the position of the device 400 or a component of the device 400 , the presence or absence of user contact with the device 400 , the orientation or acceleration/deceleration of the device 400 and the temperature change of the device 400 .
  • Sensor assembly 414 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 414 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 414 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 416 is configured to facilitate wired or wireless communication between apparatus 400 and other devices.
  • Device 400 may access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 416 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 416 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-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 400 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 404 including instructions, executable by the processor 420 of the apparatus 400 to perform the method described above.
  • 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.
  • Fig. 21 is a block diagram of an apparatus for PRS configuration according to an exemplary embodiment.
  • the apparatus 500 may be provided as a server.
  • apparatus 500 includes a processing component 522, which further includes one or more processors, and a memory resource, represented by memory 532, for storing instructions executable by processing component 522, such as an application program.
  • An application program stored in memory 532 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 522 is configured to execute instructions to perform the above-described methods.
  • Device 500 may also include a power supply assembly 526 configured to perform power management of device 500 , a wired or wireless network interface 550 configured to connect device 500 to a network, and an input output (I/O) interface 558 .
  • Device 500 may operate based on an operating system stored in memory 532, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • a non-transitory computer-readable storage medium including instructions such as a memory 532 including instructions, executable by the processing component 522 of the apparatus 500 to perform the method described above is also provided.
  • 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.
  • first, second, etc. are used to describe various information, but the information should not be limited to these terms. These terms are only used to distinguish the same type of information from one another, and do not imply a particular order or level of importance. In fact, the expressions “first”, “second” etc. are used completely interchangeably.
  • 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, without departing from the scope of the present disclosure.

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Abstract

La présente divulgation concerne un appareil de configuration et un procédé de configuration de signalisation de référence de positionnement et un support de stockage. Le procédé de configuration de signalisation de référence de positionnement comprend : un dispositif de réseau central qui envoie des premières informations de demande à un dispositif de réseau sans fil et le dispositif de réseau sans fil qui reçoit les premières informations de demande envoyées par le dispositif de réseau central, les premières informations de demande étant utilisées pour demander des informations de configuration de signalisation de référence de positionnement et étant utilisées pour indiquer le type de signalisation de référence de positionnement et le type de signalisation de référence de positionnement comprend au moins l'une parmi une signalisation de référence de positionnement périodique, une signalisation de référence de positionnement apériodique et une signalisation de référence de positionnement semi-persistante ; et un terminal qui reçoit des premières informations de configuration de signalisation de référence de positionnement, les premières informations de configuration de signalisation de référence de positionnement étant déterminées sur la base du type de signalisation de référence de positionnement. Selon la présente divulgation, un terminal peut, pendant un positionnement de liaison descendante, utiliser une signalisation de référence de positionnement apériodique ou une signalisation de référence de positionnement semi-persistante, ce qui permet d'améliorer la précision de positionnement et de réduire un retard de positionnement.
PCT/CN2020/119669 2020-09-30 2020-09-30 Appareil de configuration et procédé de configuration de signalisation de référence de positionnement et support de stockage WO2022067766A1 (fr)

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