WO2023078260A1 - 定位方法、装置及相关设备 - Google Patents

定位方法、装置及相关设备 Download PDF

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Publication number
WO2023078260A1
WO2023078260A1 PCT/CN2022/129060 CN2022129060W WO2023078260A1 WO 2023078260 A1 WO2023078260 A1 WO 2023078260A1 CN 2022129060 W CN2022129060 W CN 2022129060W WO 2023078260 A1 WO2023078260 A1 WO 2023078260A1
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Prior art keywords
prs
information
target
serving cell
terminal
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PCT/CN2022/129060
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English (en)
French (fr)
Inventor
司晔
邬华明
王园园
庄子荀
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维沃移动通信有限公司
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Publication of WO2023078260A1 publication Critical patent/WO2023078260A1/zh

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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 application belongs to the technical field of communication, and in particular relates to a positioning method, device and related equipment.
  • a downlink positioning reference signal Positioning Reference Signal, PRS
  • NR New Radio interface
  • PRS Positioning Reference Signal
  • the terminal needs to measure the PRS sent by multiple cells.
  • the terminal can measure the PRS sent by the non-serving cell.
  • the current positioning method of the terminal may make the terminal There is a problem of poor positioning performance.
  • Embodiments of the present application provide a positioning method, device, and related equipment, which can solve the problem of poor positioning performance of existing terminals.
  • a positioning method including:
  • the first network device acquires target information
  • the first network device initiates a positioning process according to the target information
  • the positioning process includes at least one of the following:
  • Target indication information Sending target indication information to the second network device and/or the terminal, where the target indication information is used to indicate the positioning reference signal PRS measurement mode of the terminal;
  • a positioning device including:
  • the acquisition module is used to acquire target information
  • An initiating module configured to initiate a positioning process according to target information
  • the positioning process includes at least one of the following:
  • Target indication information Sending target indication information to the second network device and/or the terminal, where the target indication information is used to indicate the positioning reference signal PRS measurement mode of the terminal;
  • a network side device including a processor, a memory, and a program or instruction stored in the memory and operable on the processor, when the program or instruction is executed by the processor.
  • a readable storage medium where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the positioning method as described in the first aspect are implemented.
  • a chip the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction, so as to realize the the positioning method described above.
  • a computer program product is provided, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement the steps of the method described in the first aspect.
  • a communication device configured to implement the steps of the method described in the first aspect.
  • the first network device acquires target information; the first network device initiates a positioning process according to the target information; wherein, the positioning process includes at least one of the following: sending a second network device and/or terminal Sending target indication information, wherein the target indication information is used to indicate the positioning reference signal PRS measurement mode of the terminal; sending PRS positioning assistance data to the terminal; sending a location information request to the terminal, the location information request It is used to request the PRS measurement result of the terminal; perform position calculation, and the position calculation is used to calculate the position of the terminal.
  • the positioning process includes at least one of the following: sending a second network device and/or terminal Sending target indication information, wherein the target indication information is used to indicate the positioning reference signal PRS measurement mode of the terminal; sending PRS positioning assistance data to the terminal; sending a location information request to the terminal, the location information request It is used to request the PRS measurement result of the terminal; perform position calculation, and the position calculation is used to calculate the position of the terminal.
  • FIG. 1 is a structural diagram of a network system provided by an embodiment of the present application.
  • FIG. 2 is a flowchart of a positioning method provided in an embodiment of the present application.
  • Fig. 3 is a structural diagram of a positioning device provided by an embodiment of the present application.
  • FIG. 4 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 5 is a structural diagram of a network side device provided by an embodiment of the present application.
  • first, second and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein and that "first" and “second” distinguish objects It is usually one category, and the number of objects is not limited. For example, there may be one or more first objects.
  • “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the related objects are an "or” relationship.
  • 'transmission' refers to the transmission of signals, not the sending of signals in a narrow sense.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used for the above-mentioned system and radio technology, and can also be used for other systems and radio technologies.
  • NR New Radio
  • the following description describes New Radio (NR) systems for example purposes, and uses NR terminology in most of the following descriptions, although these techniques can also be applied to applications other than NR system applications, such as Gen 6 ( 6th Generation, 6G) communication system.
  • Gen 6 6th Generation, 6G
  • FIG. 1 shows a structural diagram of a wireless communication system to which this embodiment of the present application is applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 can be a mobile phone, a tablet computer (Tablet Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device ( Vehicle User Equipment, VUE), pedestrian terminal (Pedestrian User Equipment, PUE) and other terminal-side equipment, wearable devices include: bracelets, earphones, glasses, etc.
  • the network side device 12 may be a base station or a core network, where a base station may be called a node B, an evolved node B, an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service Basic Service Set (BSS), Extended Service Set (ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Network (WLAN) ) access point, wireless fidelity (Wireless Fidelity, WiFi) node, transmitting and receiving point (Transmitting Receiving Point, TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to Specific technical terms, it should be noted that in the embodiment of the present application, only the base station in the NR system is taken as an example, but the specific type of the
  • FIG. 2 is a flowchart of a positioning method provided by an embodiment of the present application.
  • the positioning method includes:
  • Step 201 the first network device acquires target information.
  • Step 202 the first network device initiates a positioning process according to the target information
  • the positioning process includes at least one of the following:
  • target indication information is used to indicate a positioning reference signal (Positioning Reference Signal, PRS) measurement method of the terminal;
  • PRS Positioning Reference Signal
  • the first network device may be a location server, and the second network device may be a (serving) base station.
  • the first network device may judge whether the non-serving cell of the terminal satisfies the PRS measurement condition of the terminal according to the target information, and initiate a positioning process according to the judgment result.
  • the PRS measurement condition includes but is not limited to: the reception timing difference between the non-serving cell of the terminal and the serving cell of the terminal is less than or equal to a target timing difference threshold.
  • the target timing difference threshold may be obtained in at least one manner through protocol agreement, other node indication, or terminal capability report.
  • the PRS measurement condition can also be expressed as a PRS synchronization condition.
  • the non-serving cell of the terminal may also be expressed as a neighboring cell of the terminal.
  • the reception timing difference between the non-serving cell of the terminal and the serving cell of the terminal is less than or equal to the target timing difference threshold, which can be understood as:
  • the timing difference between the timing of the non-serving cell of the terminal and the timing of the serving cell of the terminal is less than or equal to the target timing difference threshold; or, the receiving timing of the non-serving cell of the terminal is different from the timing of the serving cell of the terminal
  • the receiving timing difference between the receiving timings is less than or equal to the target timing difference threshold; or, the receiving timing difference between the PRS of the non-serving cell and the PRS of the serving cell of the terminal is less than or equal to the target timing difference threshold; or, the terminal
  • the received timing difference between the PRS of the non-serving cell and the timing of the serving cell is less than or equal to the target timing difference threshold.
  • the first network device acquires target information; the first network device initiates a positioning process according to the target information; wherein, the positioning process includes at least one of the following: sending the target to the second network device and/or terminal indication information, wherein the target indication information is used to indicate the positioning reference signal PRS measurement mode of the terminal; send PRS positioning assistance data to the terminal; send a location information request to the terminal, and the location information request is used for requesting a PRS measurement result of the terminal; performing a position calculation for calculating a position of the terminal.
  • the positioning process includes at least one of the following: sending the target to the second network device and/or terminal indication information, wherein the target indication information is used to indicate the positioning reference signal PRS measurement mode of the terminal; send PRS positioning assistance data to the terminal; send a location information request to the terminal, and the location information request is used for requesting a PRS measurement result of the terminal; performing a position calculation for calculating a position of the terminal.
  • using the active (active) part of the bandwidth (Bandwidth Part, BWP) to measure the PRS can be understood as “using the PRS processing window (processing window) to measure the PRS”, or “in the case of MG-less (no MG) Measurement of PRS”, or “Measurement of PRS without measurement gap (Measurement Gap, MG)", or "Measurement of PRS outside MG”.
  • the target information includes at least one of the following:
  • the first network device determines that the non-serving cell of the terminal is different from the described Whether the receiving timing difference of the serving cell of the terminal meets the target timing difference threshold.
  • FFT Fast Fourier Transform
  • DFT Discrete Fourier Transform
  • the relevant information of the serving cell may come from the second network device or terminal, and the relevant information of the serving cell includes at least one of the following:
  • the release information of the serving cell is the release information of the serving cell.
  • the serving cell includes at least one of a primary cell, a primary secondary cell and a secondary cell.
  • the information about the serving cell may include information about at least one serving cell. At least one of the cells included in the serving cell is an activated serving cell, and/or at least one of the cells included in the serving cell is an added serving cell.
  • the serving cell may be determined according to an indication of the first network device.
  • the synchronization information of the serving cell such as: if the serving cell includes multiple cells, whether the multiple cells are synchronized, or if the serving cell includes the primary cell and the primary and secondary cells, whether the primary cell and the primary and secondary cells are synchronized, or , if the serving cell includes the primary cell and the secondary cell, whether the secondary cell is synchronized with the primary cell, and if the serving cell includes the primary secondary cell and the secondary cell, whether the secondary cell is synchronized with the primary secondary cell.
  • the timing information of the serving cell includes at least one of the following:
  • the reporting offset is 0, or a default indication (the first network device assumes that the timing offset between the serving cell and the primary cell (or primary and secondary cells) is 0); wherein, ca-SlotOffset is the The granularity of the primary cell (or the primary and secondary cells) is the timing offset of the Slot.
  • the ca-SlotOffset in the radio resource control (Radio Resource Control, RRC) message can be multiplexed.
  • the serving cell may include multiple cells, and the frequency bands (bands) corresponding to the multiple cells are different.
  • the second network device or UE only needs to provide timing information of any cell in a different band from the primary cell (or primary-secondary cell).
  • the cells corresponding to the band include (all or part of) activated serving cells, and/or the cells corresponding to the band include (all or part of) added serving cells.
  • the information of the part of the serving cells may be indicated by the first network device, or may be obtained by requesting the second network device or the terminal.
  • the frequency domain location information of the serving cell includes at least one of the following:
  • the frequency point position of the serving cell such as an absolute radio frequency channel number (Absolute Radio Frequency Channel Number, ARFCN);
  • the central frequency location of the serving cell is the central frequency location of the serving cell
  • the carrier bandwidth of the serving cell is the carrier bandwidth of the serving cell
  • the reference point of the serving cell for example, point A (point-A);
  • the subcarrier spacing (Subcarrier Space, SCS) supported by the serving cell;
  • the carrier range of the serving cell is the carrier range of the serving cell
  • the identification information of the serving cell includes at least one of the following:
  • the serving cell identifier corresponding to the serving cell namely serving cell ID
  • the component carrier (Component carrier, CC) identifier corresponding to the serving cell, that is, CCID;
  • NCGI NR Cell Global Identifier
  • the physical cell identifier (Physical Cell Identifier, PCI) corresponding to the serving cell;
  • the activation information of the serving cell and the deactivation information of the serving cell for example, if a certain serving cell is activated, but there is no activation information before, the first network device needs to obtain the activation information; if a certain serving cell is deactivated, but the previous If the serving cell is activated and the first network device has obtained activation information, the first network device needs to obtain deactivation information.
  • the addition information and release information of the serving cell may be similar to the activation information and deactivation information.
  • the positioning process includes but is not limited to at least one of the following: indication of PRS assistance data, indication of PRS configuration, sending an MG request to the second network device, sending a PRS processing window indication to the UE, Sending a PRS processing window indication to the second network device, sending a PRS processing window request to the second network device, an indication of terminal behavior (such as the behavior of the terminal measuring PRS), a request for positioning measurement results, and a behavior of the second network device Indication of whether MG measurement is necessary for the PRS of a certain positioning frequency layer.
  • the method before the network device acquires target information, the method further includes:
  • Sending first request information where the first request information is used to acquire information about the serving cell of the terminal, where the first request information includes at least one of the following:
  • Target frequency domain location information where the target frequency domain location information is used to request acquisition of relevant information of a serving cell corresponding to the target frequency domain location.
  • the identification of the target parameter is used to request the information of the serving cell under the corresponding identification, which may include timing information, frequency domain position information, identification information, activation information, deactivation information, addition information and release information of the requested serving cell. at least one. For example, it is indicated by enumeration type ⁇ timing information of serving cell, frequency domain location information, identification information, activation information, deactivation information, addition information and release information... ⁇ to request corresponding serving cell information.
  • the target frequency domain position information includes at least one of the following:
  • Frequency points such as ARFCN
  • the target frequency domain location information is related to the frequency domain location of the PRS. For example: location information in the frequency domain of the positioning frequency layer of the PRS.
  • the first network device may also request information about (all or part of) activated serving cells and/or (all or part of) added serving cells.
  • the network requests the information of the serving cell corresponding to frequency point 1, and the network request may include at least one of the ARFCN of frequency point 1, the frequency band identifier of frequency point 1, and the positioning frequency layer identifier corresponding to frequency point 1, then the second The network device or the terminal may feed back information about the serving cell corresponding to frequency point 1.
  • the first network device receives the information between the serving cell corresponding to a certain PRS frequency point and the non-serving cell corresponding to the PRS to be measured by the UE according to the UE capability (for example, the UE supports FFT processing of PRS).
  • the first network device may send target indication information for instructing the terminal to use only the MG to perform PRS measurement, or send target indication information for instructing the terminal to use the activated BWP to perform PRS measurement , or send target indication information used to indicate that the terminal can use the activated BWP to perform PRS measurement or MG to perform PRS measurement, or send target indication information used to indicate that the terminal is not limited to using the MG to perform PRS measurement.
  • the PRS measurement manner indicated by the target indication information includes: the terminal uses a measurement interval MG to perform PRS measurement on the first target PRS.
  • the target indication information may be sent when the non-serving cell corresponding to the first target PRS does not meet the PRS measurement condition.
  • the first network device After the first network device acquires the target information, it can send indication information related to MG configuration (ie, target indication information) to the base station and/or the terminal, and the indication information is used to indicate that the terminal can only use the MG for the first target PRS. measurement, or, for the first target PRS, the base station can only configure the MG for the terminal to measure the PRS. That is to say, for the first target PRS, UE cannot use MG less to measure PRS, and is not allowed to measure PRS through active DL BWP; or, the second network device can only configure MG, and cannot configure PRS processing window.
  • indication information related to MG configuration ie, target indication information
  • the base station can only configure the MG for the terminal to measure the PRS. That is to say, for the first target PRS, UE cannot use MG less to measure PRS, and is not allowed to measure PRS through active DL BWP; or, the second network device can only configure MG, and cannot configure PRS processing window.
  • the first target PRS includes a PRS of a non-serving cell that does not satisfy a PRS measurement condition among the non-serving cells of the terminal.
  • the first target PRS further includes at least one of the following: at least one PRS of a non-serving cell; at least one PRS of a TRP; and at least one PRS of a positioning frequency layer.
  • N and M may be obtained by at least one of network indication, protocol agreement, and terminal indication.
  • the first target PRS may be a PRS of at least one positioning frequency layer, or a PRS of at least one TRP.
  • the terminal can use MG to measure, or use active (active) BWP to measure PRS; or, the base station can configure MG for the terminal, or can not configure MG and allow UE measures PRS through active BWP.
  • the target indication information When the target indication information is used to instruct the terminal to use the measurement interval MG to perform PRS measurement on the first target PRS, the target indication information includes at least one of the following:
  • the terminal can only use MG; if the flag is 0 or the default indication, then there is no restriction (either MG or MG less can be used);
  • the MG enabling flag may be an indication of each positioning frequency layer.
  • the first target PRS positioning frequency layer information that is, the frequency domain information corresponding to the first target PRS, includes: the positioning frequency layer identification (this identification indicates that the positioning frequency layer is valid) and the frequency domain information of the positioning frequency layer (such as PointA, center at least one of frequency point, bandwidth, SCS, starting frequency domain position, frequency domain range, etc.).
  • the target indication information may be included in the MG request and/or the PRS processing window request initiated by the first network device, or included in the LTE Positioning Protocol (LTE Positioning Protocol, LPP) message (such as the location information request) sent by the first network device to the terminal. message).
  • LPP LTE Positioning Protocol
  • the first network device may implicitly indicate whether the MG request and/or the PRS processing window request contains specific frequency domain location information of the PRS, for example, if the MG request and/or the PRS processing window request does not contain positioning If the frequency domain location information of the frequency layer is used, the terminal can only use the MG measurement for the PRS of the positioning frequency layer (or the base station can only configure the PRS corresponding to the MG measurement).
  • the frequency domain position information includes at least one of the following: SCS, point-A, bandwidth, starting frequency domain position, frequency domain range, center frequency point and so on.
  • the PRS measurement method indicated by the target indication information includes: when the terminal uses the activated BWP to perform PRS measurement, the terminal ignores the measurement of the second target PRS and/or measures the third target PRS to measure. That is to say, the location server indicates to the second network device or the terminal that the terminal ignores the measurement of the second target PRS and/or measures the third target PRS, that is, the target
  • the instruction information is used to instruct the UE to ignore the measurement of the second target PRS when measuring the PRS by using the BWP, and/or to indicate the PRS (ie, the third target PRS) that the UE should measure when measuring the PRS by using the BWP.
  • the target indication information may be included in the PRS processing window configuration indication.
  • the PRS processing window configuration instructs the UE to ignore the measurement of the second target PRS (explicit indication); or the configuration indication of the PRS processing window does not include the second The configuration (implicit indication) of the target PRS, that is, the configuration of the PRS processing window has nothing to do with the second target PRS.
  • the configuration of the PRS processing window indicates that the UE measures the third target PRS (explicit indication); or the configuration of the PRS processing window only includes the third target PRS (implicit indication).
  • the second network device After the second network device obtains the target indication information, it sends the configuration of the PRS processing window to the terminal.
  • the UE is instructed in the PRS processing window configuration (or the PRS configuration when the UE uses BWP to measure the PRS) to ignore the measurement of the second target PRS (explicit indication); or the configuration of the PRS processing window does not include the second target PRS
  • the configuration (implicit indication) that is, the PRS processing window configuration has nothing to do with the second target PRS.
  • the configuration of the PRS processing window indicates that the UE measures the third target PRS (explicit indication); or the configuration of the PRS processing window only includes the configuration of the third target PRS (implicit indication).
  • the second target PRS includes a PRS of a non-serving cell that does not meet a PRS measurement condition
  • the third target PRS includes a PRS of a non-serving cell that meets a PRS measurement condition.
  • the second target PRS includes at least one of the following:
  • At least one PRS that locates the frequency layer At least one PRS that locates the frequency layer
  • the third target PRS includes at least one of the following:
  • At least one PRS that locates the frequency layer At least one PRS that locates the frequency layer.
  • the second target PRS includes at least one of the following:
  • the third target PRS includes at least one of the following:
  • the third target PRS can be included in the PRS configuration, and the PRS configuration is related to the UE using BWP measurement, or the PRS configuration is related to the PRS processing window, or the PRS configuration is when the UE uses active BWP or PRS processing window to measure PRS.
  • PRS configuration For example, the third target PRS configuration carries an identifier, which is used to identify that the PRS configuration is specially used for BWP measurement PRS.
  • the third target PRS configuration is different from the PRS configuration corresponding to the UE using the MG, and is only used in the case of BWP measurement.
  • the target indication information is further used to indicate the configuration of the PRS processing window, wherein the configuration of the PRS processing window does not include the configuration of the fourth target PRS, or the configuration of the PRS processing window is the same as that of the fourth target PRS.
  • Target PRS is irrelevant.
  • the fourth target PRS includes at least one of the following:
  • At least one PRS that locates the frequency layer At least one PRS that locates the frequency layer
  • the target indication information is also used to indicate whether the terminal can request an MG, whether the terminal can request a PRS processing window, whether the second network device has requested an MG, whether the second 2. Whether the network device has requested at least one of the PRS processing window, the manner in which the terminal requests the MG, and the manner in which the terminal requests the PRS processing window.
  • the way of requesting the MG, or the way of requesting the PRS processing window for example, through a media access control (Media Access Control, MAC) control element (Control Element, CE) request, or a radio resource control (Radio Resource Control, RRC) request, Or an uplink control information (Uplink control information, UCI) request, etc.
  • the target indication information may include a location information request (such as an LPP message requesting location information (RequestLocationInformation)) sent by the first network device, or assistance data (such as an LPP message providing assistance data (ProvideAssistanceData)), or a separate in the news.
  • a location information request such as an LPP message requesting location information (RequestLocationInformation)
  • assistance data such as an LPP message providing assistance data (ProvideAssistanceData)
  • whether the first network device has requested MG and/or PRS processing window is that the first network device requests MG and/or PRS processing window from the second network device through NR positioning protocol A (NR positioning protocol A, NRPPa).
  • NR positioning protocol A NR positioning protocol A, NRPPa
  • whether the terminal can request the MG and/or PRS processing window refers to whether the second network device allows the terminal to request the MG and/or PRS processing window from the second network device through signaling.
  • the terminal if it receives the target indication information, or the location information request, or a message received later in one of the two, it starts a timer (timer), and receives MG configuration (or activation) or PRS in the timer processing window configuration (or activation) message; after the timer ends (or releases, or stops), if the terminal does not receive the MG configuration (or activation) or PRS processing window configuration (or activation) message, the UE sends the second network device (or the first network device) initiates a request for MG or PRS processing window configuration (or activation) and/or reports information that MG or PRS processing window configuration fails.
  • the terminal receives the target indication information, or the location information request, or one of the later messages, start the timer (timer), and receive the MG configuration (or activation) message in the timer; (or release, or stop), if the terminal does not receive the MG configuration (or activation) message, the UE initiates a MG configuration (or activation) request to the second network device (or the first network device) and/or reports the MG Information about configuration failures.
  • the timer is only used when the terminal uses the MG to measure the PRS. If the terminal judges or receives an instruction to confirm that the target PRS can be measured by the active BWP, the terminal ignores the timer.
  • the start time of the Timer is if the terminal receives the target indication information, or the location information request, or the time of a message after one of the two; the length (or end time) of the timer can be determined by the network device (the first A network device or a second network device) instruction, protocol agreement, or at least one selection of the terminal is determined.
  • the target indication information is used to indicate the requirement information of the positioning service of the terminal (for example, the first network device indicates to the second network device), including: Quality of Service (Quality of service, QoS) requirement, at least one of the terminal measurement performance requirement (measurement performance requirement).
  • QoS requirement includes at least one of the positioning accuracy requirement and the positioning delay requirement.
  • the terminal measurement performance requirement information is the measurement performance requirement corresponding to the current terminal measurement quantity (such as reference signal time difference RSTD, reference signal received power RSRP, or receiving and sending time difference Rx-Tx time difference), indicating the measurement reported by the terminal
  • the requirements that the quantity should meet include at least one of the accuracy measurement performance requirement and the delay measurement performance requirement.
  • the capability information of the terminal includes at least one of the following:
  • the range of the reception timing difference threshold between the non-serving cell and the serving cell that supports processing Under the condition that the DL BWP is activated to process the PRS and/or the MG processes the PRS, the range of the reception timing difference threshold between the non-serving cell and the serving cell that supports processing.
  • the timing difference threshold is determined by at least one method of network instruction, protocol agreement or terminal selection.
  • the timing difference threshold is the length of the cyclic prefix CP.
  • the terminal capability type may be for each terminal (per UE) or for each frequency band (per band).
  • the UE may report capability information to the first network device and/or the second network device.
  • the capability information of the terminal can be reported separately, or it can be included in the measurement of PRS-related capabilities using the active BWP (or using the PRS processing window).
  • sliding correlation can also be understood as: time-domain correlation processing, or time-domain processing.
  • FFT processing can also be understood as: discrete Fourier transform (Discrete Fourier transform, DFT) processing, or frequency domain sampling processing, or frequency domain processing.
  • reception timing difference between the non-serving cell of the terminal and the serving cell of the terminal may be understood as:
  • the UE may directly send it to the second network device, or the UE may send it to the first network device, and then the first network device sends it to the second network device.
  • the UE capability supports sliding correlation to process PRS, or processes non-synchronized neighboring cell PRS, or processes non-serving cell and serving cell receiving timing difference (Rx time difference) is large, it can be considered that UE can ignore the PRS measurement condition and process non-serving cell The PRS.
  • the PRS measurement manner indicated by the target indication information includes:
  • All non-serving cells to be measured are synchronized with the serving cell
  • the terminal supports sliding windows, ignore whether all non-serving cells to be measured meet the PRS measurement condition, or ignore whether all non-serving cells to be measured are synchronized with the serving cell.
  • the target indication information is used to instruct the terminal to use the activated BWP to perform PRS measurement under at least one of the following assumptions:
  • All non-serving cells to be measured are synchronized with the serving cell
  • the terminal supports sliding windows, ignore whether all non-serving cells to be measured meet the PRS measurement condition, or ignore whether all non-serving cells to be measured are synchronized with the serving cell.
  • the assumption of the UE includes at least one of the following:
  • the UE When the UE uses active DL BWP to measure PRS, the UE assumes that all TRPs of neighboring cells to be measured meet the conditional threshold;
  • the UE When the UE uses active DL BWP to measure PRS, the UE assumes that all neighboring TRPs to be measured are synchronized with the serving cell;
  • the UE If the UE can support sliding windows, when the UE uses the active DL BWP to measure the PRS, the UE ignores whether all the TRPs of the neighboring cells to be measured meet the conditional threshold, or ignore whether the TRPs of all the neighboring cells to be measured are synchronized with the serving cell.
  • the assumption of the UE includes at least one of the following:
  • the UE When the UE uses active DL BWP to measure PRS, the UE assumes that all TRPs of neighboring cells to be measured meet the conditional threshold;
  • the UE When the UE uses active DL BWP to measure PRS, the UE assumes that all neighboring TRPs to be measured are synchronized with the serving cell;
  • the UE If the UE can support sliding windows, when the UE uses the active DL BWP to measure the PRS, the UE ignores whether all the neighboring TRPs to be measured meet the conditional threshold, or ignores whether all the neighboring TRPs to be measured are synchronized with the serving cell.
  • the embodiment of the present application also provides a method for reporting uplink timing adjustment, the method comprising:
  • the terminal sends uplink timing adjustment information to the network device, where the uplink timing adjustment information is used to reduce errors caused by the uplink timing adjustment.
  • the network device may include a first network device and a second network device, where the first network device may be a location server, and the second network device may be a serving base station.
  • the terminal may report uplink timing adjustment information to the first network device (such as a location server) and/or the second network device (such as a serving base station), for Reduce errors caused by uplink timing adjustments.
  • the terminal can directly report to the location server through the LPP message, or indirectly report to the location server through the forwarding of the serving gNB, that is, the terminal first sends the uplink timing adjustment information to the serving gNB, and then the serving gNB sends it to the location server through the NRPPa message.
  • the uplink timing adjustment information includes: SRS uplink timing change information during channel sounding reference signal (Sounding Reference Signal, SRS) transmission, or uplink timing change information for each uplink timing adjustment.
  • SRS Sounding Reference Signal
  • Changes in SRS uplink timing during SRS transmission For example, if there are multiple uplink timing adjustments between SRS instance1 and SRS instance2, the terminal reports the total change in uplink timing corresponding to SRS instance2 and SRS instance1, not SRS The time for each uplink timing adjustment between instance1 and SRS instance2.
  • Adjust the uplink timing change for each uplink timing For example, if there are multiple uplink timing adjustments between SRS instance1 and SRS instance2, the time of each uplink timing adjustment reported by the terminal is not the uplink timing corresponding to SRS instance2 and SRS instance1 The total change of (or, irrelevant to the SRS uplink timing change).
  • the type of the uplink timing adjustment information includes at least one of the following:
  • the sum of the terminal automatic uplink timing adjustment and the timing advance adjustment can also be understood as: the total uplink timing adjustment including the terminal automatic uplink timing adjustment and the timing advance adjustment.
  • the uplink timing adjustment information includes a time stamp (time stamp) corresponding to the uplink timing adjustment, and the time stamp is used to indicate the time when the uplink timing adjustment occurs.
  • time stamp time stamp
  • the uplink timing adjustment information is the change of the SRS uplink timing during the SRS transmission process
  • the time stamp is the time stamp corresponding to the SRS, or the time stamp is the time when the latest uplink timing adjustment before the SRS occurred.
  • each timestamp corresponds to an uplink timing adjustment value.
  • the uplink timing adjustment information is the change of the SRS uplink timing during the SRS transmission process
  • the time stamp includes the time stamp corresponding to the SRS and the time when the latest uplink timing adjustment before the SRS occurred.
  • two timestamps correspond to an uplink timing adjustment value.
  • the uplink timing adjustment information is the change of the uplink timing for each uplink timing adjustment
  • the time stamp is the time stamp corresponding to each uplink timing adjustment.
  • each timestamp corresponds to an uplink timing adjustment value.
  • the uplink timing adjustment information is the change of the SRS uplink timing during the SRS transmission process, and the terminal reports two kinds of time stamps.
  • the first type of time stamp is the time stamp corresponding to the SRS or the time stamp is the time when the latest uplink timing adjustment before the SRS occurred. Each time stamp corresponds to an uplink timing adjustment value.
  • the second type of time stamp is the time stamp corresponding to each uplink timing adjustment. This timestamp is only used to indicate the time when the location server's uplink timing adjustment occurs. Each time stamp is not associated with an uplink timing adjustment value.
  • the uplink timing adjustment information is the change of the SRS uplink timing during the SRS transmission process, and the terminal reports two kinds of time stamps.
  • the first type of time stamp is the time stamp corresponding to the SRS or the time stamp is the time when the latest uplink timing adjustment before the SRS occurred. Each time stamp corresponds to an uplink timing adjustment value.
  • the second type of time stamp is the time stamp corresponding to the latest uplink timing adjustment before receiving the PRS. This timestamp is not associated with the value of the uplink timing adjustment.
  • the uplink timing adjustment information is the change of the SRS uplink timing during the SRS transmission process, and the terminal reports three kinds of time stamps.
  • the first type of time stamp is the time stamp corresponding to SRS. Each time stamp corresponds to an uplink timing adjustment value.
  • the second type of time stamp is the time stamp corresponding to the latest uplink timing adjustment before receiving the PRS. This timestamp is not associated with the value of the uplink timing adjustment.
  • the third type of timestamp is the time when the latest uplink timing adjustment before SRS occurred. This timestamp is not associated with the value of the uplink timing adjustment.
  • the types of the uplink timing adjustment information include multiple types
  • different types of uplink timing adjustment information are reported separately. Different types of uplink timing adjustment information correspond to their respective time stamps.
  • the terminal reports through different reports. Different reports are associated with different types of upstream timing adjustment information.
  • the terminal reports the uplink timing adjustment information in the same report, but uses different fields to distinguish different types of uplink timing adjustment information.
  • field A indicates automatic uplink timing adjustment of the terminal
  • field B indicates timing advance adjustment
  • the terminal reports a certain uplink timing adjustment
  • another type of uplink timing adjustment may be defaulted or indicated as 0.
  • the terminal Before reporting the uplink timing adjustment information, the terminal receives a request from the location server, and the request is used to request the terminal to report uplink timing adjustment information.
  • the request information includes at least one of the following information:
  • Types of uplink timing adjustment information reporting one of periodic reporting and event-triggered reporting
  • the request information includes periodic information reported periodically or event information reported by event triggering;
  • the event information is: the change of the SRS uplink timing during the SRS transmission process, or the terminal reports every time the uplink timing adjustment changes
  • Types of uplink timing adjustment information at least one of terminal automatic uplink timing adjustment, timing advance adjustment, and the sum of terminal automatic uplink timing adjustment and timing advance adjustment
  • the reference object of the uplink timing adjustment information the change of the SRS uplink timing during the SRS transmission process, one of the changes of each uplink timing adjustment.
  • the uplink timing adjustment information is uplink timing adjustment information within a terminal measurement time window (measurement time window, MTW).
  • MTW measurement time window
  • the configuration related to 'periodic reporting' includes: period size (or the time interval between 2 consecutive reports), period number (or, the total number of periodic reports), and the start of periodic reports At least one of time, periodic offset for periodic reports.
  • the configuration may be determined by at least one method of network instruction, protocol agreement or terminal selection.
  • the uplink timing adjustment information is the change information of each uplink timing adjustment uplink timing
  • each periodic report includes all uplink timing adjustment information and corresponding time stamps within the duration of this period .
  • the uplink timing adjustment information is the change information of SRS uplink timing
  • each periodic report includes all SRS uplink timing adjustment information and corresponding time stamps within the duration of this period.
  • the configuration related to 'event-triggered reporting' includes: event information, event timer, duration of event reporting, minimum interval of continuous event reporting, maximum interval of continuous event reporting, event Report at least one of the maximum number of such.
  • the configuration may be determined by at least one method of network instruction, protocol agreement or terminal selection.
  • the event timer is no more than one time interval for reporting after the event occurs at the latest.
  • An implementation mode of event-triggered reporting where the event information is the change of uplink timing adjustment for each uplink timing, and each event report includes corresponding uplink timing adjustment information and a corresponding time stamp.
  • the event information is a change of SRS uplink timing
  • the uplink timing adjustment information to be reported is: each change of uplink timing adjustment.
  • each event report includes all uplink timing adjustment change information and corresponding time stamps between two event reports (such as the time stamp of SRS uplink timing change and/or the change time stamp of each uplink timing adjustment).
  • the event information is the change of the SRS uplink timing
  • the uplink timing adjustment information to be reported is: the change of the SRS uplink timing. Then each event report contains the corresponding SRS timing adjustment information and the corresponding time stamp.
  • SRS can be understood as SRS instance (SRS instance), SRS time opportunity (SRS time occasion), SRS period (SRS period), SRS resource (SRS resource), and SRS resource set (SRS resource set).
  • the SRS includes but is not limited to at least one of an SRS used for positioning and a conventional SRS (SRS used for Multiple Input Multiple Output (Multiple Input Multiple Output, MIMO)).
  • SRS used for Multiple Input Multiple Output (Multiple Input Multiple Output, MIMO)
  • the terminal reports the capability to at least one of the first network device and the second network device, and the capability information includes at least one of the following:
  • Which reporting method is supported, such as at least one of periodic and event-triggered reporting;
  • uplink timing adjustment information such as terminal automatic uplink timing adjustment, timing advance adjustment, and at least one of the sum of terminal automatic uplink timing adjustment and timing advance adjustment
  • the reference object that supports the uplink timing adjustment information such as the change of the SRS uplink timing during the SRS transmission process, and one of the changes of the uplink timing adjusted each time.
  • the embodiment of the present application also provides a method for reporting uplink timing adjustment, the method comprising:
  • the second network device sends uplink timing adjustment information to the first network device, where the uplink timing adjustment information is used to reduce errors caused by the uplink timing adjustment.
  • the second network device (such as the serving base station) reports the uplink timing adjustment information of the terminal to the location server to reduce the error caused by the uplink timing adjustment .
  • the type of the uplink timing adjustment information reported by the serving base station is timing advance adjustment.
  • the type of the uplink timing adjustment information includes at least one of the following:
  • the automatic uplink timing adjustment of the terminal can be reported by the terminal; the timing advance adjustment can be determined by the serving base station or reported by the terminal; The uplink timing adjustment and the timing advance adjustment determined by the serving base station are finally determined by the serving base station.
  • the uplink timing adjustment information includes: SRS uplink timing change information during SRS transmission, or uplink timing change information for each uplink timing adjustment.
  • the uplink timing adjustment information includes a time stamp corresponding to the uplink timing adjustment, where the time stamp is used to indicate the time when the uplink timing adjustment occurs.
  • the types of the uplink timing adjustment information include multiple types, different types of uplink timing adjustment information are reported separately.
  • the serving base station Before reporting the uplink timing adjustment information, the serving base station receives a request from the location server, and the request is used to request the serving base station to report the uplink timing adjustment information of the terminal.
  • the request information includes at least one of the following information:
  • Types of uplink timing adjustment information reporting one of periodic reporting and event-triggered reporting
  • Types of uplink timing adjustment information at least one of terminal automatic uplink timing adjustment, timing advance adjustment, and the sum of terminal automatic uplink timing adjustment and timing advance adjustment
  • the reference object of the uplink timing adjustment information the change of the SRS uplink timing during the SRS transmission process, one of the changes in the uplink timing of each uplink timing adjustment
  • the information about the periodic reporting and event reporting of the second network device reports the uplink timing adjustment information.
  • the method can completely refer to the method of periodic reporting and event reporting on the terminal side, and will not be repeated here. .
  • a specific implementation manner for the serving base station to report uplink timing adjustment is as follows: the serving base station reports based on event information (timing advance adjustment change), and each report includes the information of this timing advance adjustment.
  • the timing advance adjustment is reported no later than a time gap (time gap) after the serving base station sends a timing advance command (Timing Advance command, TA command) to the terminal.
  • This period of time gap is determined by at least one method of protocol agreement, network instruction or terminal selection.
  • the embodiment of the present application also provides a method for reporting uplink timing adjustment, the method comprising:
  • the first network device receives the uplink timing adjustment information sent by the terminal or the second network device, where the uplink timing adjustment information is used to reduce errors caused by uplink timing adjustment during position calculation.
  • the method further includes: the first network device sending the uplink timing adjustment information to a non-serving base station participating in positioning, so that the second network device may consider the impact of the uplink timing adjustment information when performing positioning measurement .
  • the execution subject may be a positioning device, or a control module in the positioning device for executing the positioning method.
  • the positioning device provided by the embodiment of the present application is described by taking the positioning device executing the positioning method as an example.
  • FIG. 3 is a structural diagram of a positioning device provided in an embodiment of the present application.
  • the positioning device 300 includes:
  • An acquisition module 301 configured to acquire target information
  • the positioning process includes at least one of the following:
  • Target indication information Sending target indication information to the second network device and/or the terminal, where the target indication information is used to indicate the positioning reference signal PRS measurement mode of the terminal;
  • the target information includes at least one of the following:
  • the relevant information of the serving cell includes at least one of the following:
  • the release information of the serving cell is the release information of the serving cell.
  • the serving cell includes at least one of a primary cell, a primary secondary cell and a secondary cell.
  • the timing information of the serving cell includes at least one of the following:
  • the frequency domain location information of the serving cell includes at least one of the following:
  • the frequency location of the serving cell is the frequency location of the serving cell
  • the central frequency location of the serving cell is the central frequency location of the serving cell
  • the carrier bandwidth of the serving cell is the carrier bandwidth of the serving cell
  • the subcarrier spacing SCS supported by the serving cell ;
  • the carrier range of the serving cell is the carrier range of the serving cell
  • a frequency band identifier corresponding to the serving cell A frequency band identifier corresponding to the serving cell.
  • the identification information of the serving cell includes at least one of the following:
  • a frequency band identifier corresponding to the serving cell A frequency band identifier corresponding to the serving cell.
  • the device also includes:
  • a sending module configured to send first request information, where the first request information is used to acquire relevant information of the serving cell of the terminal.
  • the first request information includes at least one of the following:
  • Target frequency domain location information where the target frequency domain location information is used to request acquisition of relevant information of a serving cell corresponding to the target frequency domain location.
  • the target indication information is used to indicate that: the terminal uses the measurement interval MG to perform PRS measurement on the first target PRS.
  • the first target PRS includes a PRS of a non-serving cell that does not satisfy a PRS measurement condition among the non-serving cells of the terminal.
  • the first target PRS includes at least one of the following:
  • At least one PRS that locates the frequency layer At least one PRS that locates the frequency layer.
  • the target indication information is used to indicate: when the terminal uses the measurement interval MG to perform PRS measurement on the first target PRS, the target indication information includes at least one of the following:
  • the first target PRS locates frequency layer information.
  • the PRS measurement manner indicated by the target indication information includes: when the terminal uses the activated BWP to perform PRS measurement, ignore the measurement of the second target PRS and/or measure the third target PRS.
  • the second target PRS includes at least one of the following:
  • At least one PRS that locates the frequency layer At least one PRS that locates the frequency layer
  • the third target PRS includes at least one of the following:
  • At least one PRS that locates the frequency layer At least one PRS that locates the frequency layer.
  • the second target PRS includes a PRS of a non-serving cell that does not meet a PRS measurement condition
  • the third target PRS includes a PRS of a non-serving cell that meets a PRS measurement condition.
  • the second target PRS includes at least one of the following:
  • the third target PRS includes at least one of the following:
  • the target indication information is used to instruct the terminal to use the activated BWP to perform PRS measurement under at least one of the following assumptions:
  • All non-serving cells to be measured are synchronized with the serving cell
  • the terminal supports sliding windows, ignore whether all non-serving cells to be measured meet the PRS measurement condition, or ignore whether all non-serving cells to be measured are synchronized with the serving cell.
  • the target indication information is used to indicate a PRS processing window configuration, where the PRS processing window configuration does not include the fourth target PRS configuration, or the PRS processing window configuration is not related to the fourth target PRS.
  • the fourth target PRS includes at least one of the following:
  • At least one PRS that locates the frequency layer At least one PRS that locates the frequency layer
  • the target indication information is used to indicate whether the terminal can request the MG, whether the terminal can request the PRS processing window, whether the second network device has requested the MG, whether the second network device has requested the At least one of the PRS processing window, the manner in which the terminal requests the MG, and the manner in which the terminal requests the PRS processing window.
  • the capability information of the terminal includes at least one of the following:
  • the range of the reception timing difference threshold between the non-serving cell and the serving cell that supports processing is the range of the reception timing difference threshold between the non-serving cell and the serving cell that supports processing.
  • the PRS measurement condition includes that the reception timing difference between the non-serving cell of the terminal and the serving cell of the terminal is less than or equal to a target timing difference threshold.
  • the positioning device 300 provided by the embodiment of the present application can realize various processes realized by the method embodiment in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • the embodiment of the present application further provides a communication device 70, including a processor 71, a memory 72, and programs or instructions stored in the memory 72 and operable on the processor 71,
  • the communication device 70 is a network-side device
  • the program or instruction is executed by the processor 71
  • the various processes of the embodiment of the positioning method or the embodiment of the uplink timing adjustment and reporting method shown in FIG. 2 can be realized, and the same technical effect can be achieved.
  • the communication device 70 may be a terminal or a network side device.
  • the embodiment of the present application also provides a network side device.
  • the network device 900 includes: an antenna 91 , a radio frequency device 92 , and a baseband device 93 .
  • the antenna 91 is connected to a radio frequency device 92 .
  • the radio frequency device 92 receives information through the antenna 91, and sends the received information to the baseband device 93 for processing.
  • the baseband device 93 processes the information to be sent and sends it to the radio frequency device 92
  • the radio frequency device 92 processes the received information and sends it out through the antenna 91 .
  • the foregoing frequency band processing device may be located in the baseband device 93 , and the method performed by the network side device in the above embodiments may be implemented in the baseband device 93 , and the baseband device 93 includes a processor 94 and a memory 95 .
  • the baseband device 93 can include at least one baseband board, for example, a plurality of chips are arranged on the baseband board, as shown in FIG.
  • the baseband device 93 may also include a network interface 96 for exchanging information with the radio frequency device 92, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in the embodiment of the present invention also includes: instructions or programs stored in the memory 95 and operable on the processor 94, and the processor 94 calls the instructions or programs in the memory 95 to execute the modules shown in FIG. 3
  • the method of execution, or the method of the embodiment of the uplink timing adjustment reporting method is executed, and achieves the same technical effect. In order to avoid repetition, it is not repeated here.
  • the embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by the processor, the implementation of the method embodiment described in FIG. 2 or the method for uplink timing adjustment and reporting is implemented.
  • a program or instruction stored on which a program or instruction is stored, and when the program or instruction is executed by the processor, the implementation of the method embodiment described in FIG. 2 or the method for uplink timing adjustment and reporting is implemented.
  • the processor is the processor in the terminal or the network side device described in the foregoing embodiments.
  • the readable storage medium includes computer readable storage medium, such as computer read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
  • the embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a network-side device program or instruction to implement the above-mentioned method in Figure 2
  • the various processes of the embodiment can achieve the same technical effect, so in order to avoid repetition, details are not repeated here.
  • the chip mentioned in the embodiment of the present application may also be called a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip.
  • An embodiment of the present application provides a computer program product, the computer program product is stored in a storage medium, and the computer program product is executed by at least one processor to implement the various processes of the above positioning method embodiments, and can achieve the same Technical effects, in order to avoid repetition, will not be repeated here.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
  • the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or the part that contributes to the prior art, and the computer software product is stored in a storage medium (such as ROM/RAM, disk, CD) contains several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network, etc.) execute the methods described in the various embodiments of the present application.

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Abstract

本申请公开了一种定位方法、装置及相关设备，属于通信技术领域。其中，方法包括：第一网络设备获取目标信息（201）；该第一网络设备根据目标信息，发起定位流程（202）；其中，该定位流程包括如下至少一项：向第二网络设备和/或终端发送目标指示信息，其中，该目标指示信息用于指示该终端的定位参考信号PRS测量方式；向该终端发送PRS定位辅助数据；向该终端发送位置信息请求，该位置信息请求用于请求该终端的PRS测量结果；执行位置计算，该位置计算用于计算该终端的位置。

Description

定位方法、装置及相关设备
相关申请的交叉引用
本申请主张在2021年11月03日在中国提交的中国专利申请No.202111295255.1的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域，具体涉及一种定位方法、装置及相关设备。
背景技术
现有技术中，重新设计了基于新空口(New Radio，NR)系统的下行定位参考信号(Positioning Reference Signal，PRS)，用于终端进行定位测量。为了完成定位，终端需要测量多个小区发送的PRS，其中，终端可以测量非服务小区发送的PRS，考虑到非服务小区与服务小区的可能的非同步性，目前终端的定位方式，可能使得终端存在定位性能较差的问题。
发明内容
本申请实施例的提供一种定位方法、装置及相关设备，能够解决现有的终端的定位性能差的问题。
第一方面，提供了一种定位方法，包括：
第一网络设备获取目标信息；
所述第一网络设备根据目标信息，发起定位流程；
其中，所述定位流程包括如下至少一项：
向第二网络设备和/或终端发送目标指示信息，其中，所述目标指示信息用于指示所述终端的定位参考信号PRS测量方式；
向所述终端发送PRS定位辅助数据；
向所述终端发送位置信息请求，所述位置信息请求用于请求所述终端的PRS测量结果；
执行位置计算，所述位置计算用于计算所述终端的位置。
第二方面，提供了一种定位装置，包括：
获取模块，用于获取目标信息；
发起模块，用于根据目标信息，发起定位流程；
其中，所述定位流程包括如下至少一项：
向第二网络设备和/或终端发送目标指示信息，其中，所述目标指示信息用于指示所述终端的定位参考信号PRS测量方式；
向所述终端发送PRS定位辅助数据；
向所述终端发送位置信息请求，所述位置信息请求用于请求所述终端的PRS测量结果；
执行位置计算，所述位置计算用于计算所述终端的位置。
第三方面，提供了一种网络侧设备，包括处理器，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如第一方面所述的定位方法的步骤。
第四方面，提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如第一方面所述的定位方法的步骤。
第五方面，提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行网络侧设备程序或指令，实现如第一方面所述的定位方法。
第六方面，提供了一种计算机程序产品，所述计算机程序产品被存储在存储介质中，所述计算机程序产品被至少一个处理器执行以实现如第一方面所述的方法的步骤。
第七方面，提供了一种通信设备，被配置为执行以实现如第一方面所述的方法的步骤。
在本申请实施例中，第一网络设备获取目标信息；所述第一网络设备根据目标信息，发起定位流程；其中，所述定位流程包括如下至少一项：向第二网络设备和/或终端发送目标指示信息，其中，所述目标指示信息用于指示所述终端的定位参考信号PRS测量方式；向所述终端发送PRS定位辅助数据；向所述终端发送位置信息请求，所述位置信息请求用于请求所述终端的PRS 测量结果；执行位置计算，所述位置计算用于计算所述终端的位置。通过上述方式，可便于终端进行定位，提高定位性能。
附图说明
图1是本申请实施例提供的一种网络系统的结构图；
图2是本申请实施例提供的定位方法的流程图；
图3是本申请实施例提供的定位装置的结构图；
图4是本申请实施例提供的通信设备的结构图；
图5是本申请实施例提供的网络侧设备的结构图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”一般表示前后关联对象是一种“或”的关系。本申请中‘传输’表示信号的传送，并非狭义上的信号发送。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，还可用于其他无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access，TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier  Frequency-Division Multiple Access，SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。然而，以下描述出于示例目的描述了新空口(New Radio，NR)系统，并且在以下大部分描述中使用NR术语，尽管这些技术也可应用于NR系统应用以外的应用，如第6代(6 th Generation，6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的结构图。无线通信系统包括终端11和网络侧设备12。其中，终端11也可以称作终端设备或者用户终端(User Equipment，UE)，终端11可以是手机、平板电脑(Tablet Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、可穿戴式设备(Wearable Device)或车载设备(Vehicle User Equipment，VUE)、行人终端(Pedestrian User Equipment，PUE)等终端侧设备，可穿戴式设备包括：手环、耳机、眼镜等。需要说明的是，在本申请实施例并不限定终端11的具体类型。网络侧设备12可以是基站或核心网，其中，基站可被称为节点B、演进节点B、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、B节点、演进型B节点(eNB)、家用B节点、家用演进型B节点、无线局域网(Wireless Local Area Network，WLAN)接入点、无线保真(Wireless Fidelity，WiFi)节点、发送接收点(Transmitting Receiving Point，TRP)或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本申请实施例中仅以NR系统中的基站为例，但是并不限定基站的具体类型。
下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的定位方法进行详细地说明。
请参见图2，图2是本申请实施例提供的一种定位方法的流程图，该定位方法，包括：
步骤201、第一网络设备获取目标信息。
步骤202、所述第一网络设备根据目标信息，发起定位流程；
其中，所述定位流程包括如下至少一项：
向第二网络设备和/或终端发送目标指示信息，其中，所述目标指示信息用于指示所述终端的定位参考信号(Positioning Reference Signal，PRS)测量方式；
向所述终端发送PRS定位辅助数据；
向所述终端发送位置信息请求，所述位置信息请求用于请求所述终端的PRS测量结果；
执行位置计算，所述位置计算用于计算所述终端的位置。
上述中，第一网络设备可以为位置服务器，第二网络设备可以为(服务)基站。第一网络设备可根据目标信息判断终端的非服务小区是否满足终端的PRS测量条件，并根据判断结果，发起定位流程。其中，所述PRS测量条件包括但不限于：所述终端的非服务小区与所述终端的服务小区的接收定时差小于或等于目标定时差门限。其中，目标定时差门限可以由协议约定、其他节点指示或终端能力上报至少一种方式获得。PRS测量条件还可以表示为PRS同步条件。终端的非服务小区也可以表示为终端的邻小区。
可选的，所述终端的非服务小区与所述终端的服务小区的接收定时差小于或等于目标定时差门限，可以理解为：
所述终端的非服务小区的定时与所述终端的服务小区的定时之间的定时差小于或等于目标定时差门限；或者，所述终端的非服务小区的接收定时与所述终端的服务小区的接收定时之间的接收定时差小于或等于目标定时差门限；或者，所述终端的非服务小区的PRS与服务小区的PRS的接收定时差小于或等于目标定时差门限；或者，所述终端的非服务小区的PRS与服务小区定时的接收定时差小于或等于目标定时差门限。
本实施例中，第一网络设备获取目标信息；所述第一网络设备根据目标信息，发起定位流程；其中，所述定位流程包括如下至少一项：向第二网络设备和/或终端发送目标指示信息，其中，所述目标指示信息用于指示所述终端的定位参考信号PRS测量方式；向所述终端发送PRS定位辅助数据；向所述终端发送位置信息请求，所述位置信息请求用于请求所述终端的PRS测量 结果；执行位置计算，所述位置计算用于计算所述终端的位置。通过上述方式，可便于终端进行定位，提高定位性能。
本申请中，使用激活(active)部分带宽(Bandwidth Part，BWP)测量PRS，可以理解为“用PRS处理窗(processing window)测量PRS”，或者“在MG-less(无MG)的情况下对PRS的测量”，或者“无测量间隔(Measurement Gap，MG)的情况下对PRS的测量”，或者“在MG外对PRS的测量”。
上述中，目标信息包括如下至少一项：
服务小区的相关信息；
所述终端的能力信息；
定时差门限信息。
例如，第一网络设备基于UE能力(UE支持快速傅里叶变换(Fast Fourier Transform，FFT)或离散傅里叶变换(Discrete Fourier transform，DFT)处理PRS)，判断终端的非服务小区与所述终端的服务小区的接收定时差是否满足目标定时差门限。
其中，服务小区的相关信息可以来自第二网络设备或者终端，服务小区的相关信息包括如下至少一项：
服务小区的同步信息；
服务小区的定时信息；
服务小区的频域位置信息；
服务小区的标识信息；
服务小区的激活信息；
服务小区的去激活信息；
服务小区的添加信息；
服务小区的释放信息。
其中，所述服务小区包括主小区，主辅小区和辅小区中的至少之一。所述服务小区的相关信息可以包含至少一个服务小区的相关信息。服务小区包括的小区中至少一个小区为激活的服务小区，和/或，服务小区包括的小区中至少一个为已经添加的服务小区。服务小区可以根据第一网络设备指示确定。
服务小区的同步信息，比如：服务小区包括多个小区的情况下，这多个 小区是否同步，或者，服务小区包括主小区和主辅小区的情况下，主小区与主辅小区是否同步，或者，服务小区包括主小区和辅小区的情况下，辅小区与主小区是否同步，服务小区包括主辅小区和辅小区的情况下，辅小区与主辅小区是否同步。
上述中，所述服务小区的定时信息，包括如下至少一项：
所述服务小区与主小区(或主辅小区)的定时偏差，如载波聚合时隙偏移(ca-SlotOffset)。可选的，若同步，上报偏差为0，或者缺省指示(第一网络设备假设该服务小区与主小区(或主辅小区)的定时偏差为0)；其中，ca-SlotOffset为服务小区与主小区(或主辅小区)的粒度为Slot的定时偏差，可选的，可以复用无线资源控制(Radio Resource Control，RRC)消息中的ca-SlotOffset。
所述服务小区的系统帧0(可以理解为第0个系统帧)与主小区(或主辅小区)的系统帧0(System frame number 0，SFN0)之间的偏移，如粒度为协调世界时(Universal Time Coordinated，UTC)级别的偏移；
所述服务小区的系统帧0的绝对时间。
可选的，对于服务小区的定时信息，服务小区可包括多个小区，多个小区对应的频带(band)不同。可选的，若相同的band的小区同步，第二网络设备或UE只需提供与主小区(或主辅小区)在不同的band任意一个小区的定时信息即可。可选的，band对应的小区包括(全部或部分)激活的服务小区，和/或band对应的小区包括(全部或部分)已经添加的服务小区。
可选的，所述部分服务小区的信息可以由第一网络设备指示，也可以通过请求第二网络设备或终端获得。
上述中，所述服务小区的频域位置信息，包括如下至少一项：
所述服务小区的频点位置，例如绝对无线频道编号(Absolute Radio Frequency Channel Number，ARFCN)；
所述服务小区的中心频点位置；
所述服务小区的载波带宽；
所述服务小区的参考点，例如，点A(point-A)；
所述服务小区支持的子载波间隔(Subcarrier Space，SCS)；
所述服务小区的载波范围；
所述服务小区对应的频带标识(Band indicator)。
上述中，所述服务小区的标识信息，包括如下至少一项：
所述服务小区对应的服务小区标识，即serving cell ID；
所述服务小区对应的分量载波(Component carrier，CC)标识，即CCID；
所述服务小区对应的新空口小区全球标识符(NR Cell Global Identifier，NCGI)；
所述服务小区对应的物理小区标识(Physical Cell Identifier，PCI)；
所述服务小区对应的频带标识(Band indicator)。
服务小区的激活信息和服务小区的去激活信息，例如，若某个服务小区被激活，但之前没有激活信息，第一网络设备需要获得激活信息；若某个服务小区被去激活，但之前该服务小区是激活的且第一网络设备曾经获得过激活信息，则第一网络设备需要获得去激活信息。
服务小区的添加信息和释放信息，可类似于激活信息和去激活信息。
在本申请一种实施例中，定位流程包括但不限于以下至少之一：对PRS辅助数据的指示，对PRS配置的指示，向第二网络设备发送MG请求、向UE发送PRS处理窗指示、向第二网络设备发送PRS处理窗指示、向第二网络设备发送PRS处理窗请求、对终端行为(例如终端测量PRS的行为)的指示、对定位测量结果的请求、对第二网络设备的行为的指示、对于某个定位频率层的PRS，是否一定需要MG测量的指示。
在本申请一种实施例中，在所述网络设备获取目标信息之前，所述方法还包括：
发送第一请求信息，所述第一请求信息用于获取所述终端的服务小区的相关信息，其中，所述第一请求信息包括如下至少一项：
与所述相关信息中的目标参数相关联的请求标识；
目标频域位置信息，所述目标频域位置信息用于请求获取目标频域位置对应的服务小区的相关信息。
具体的，目标参数的标识用于请求对应标识下的服务小区的信息，可包括请求服务小区的定时信息、频域位置信息、标识信息、激活信息、去激活 信息、添加信息和释放信息中的至少一项。比如，通过枚举类型{服务小区的定时信息、频域位置信息、标识信息、激活信息、去激活信息、添加信息和释放信息…}表示，请求对应的服务小区信息。
目标频域位置信息包括如下至少一项：
频点，如ARFCN；
频域范围；
定位频率层标识；
定位频率层的pointA；
定位频率层的SCS；
频带标识。
可选的，所述目标频域位置信息与PRS的频域位置有关。比如：PRS的定位频率层频域位置信息。可选的，除了目标频域位置对应的服务小区，第一网络设备还可以请求(全部或部分)激活的服务小区和/或(全部或部分)已经添加的服务小区的信息。
可选的，网络请求频点1对应的服务小区的信息，网络请求中可以包含频点1的ARFCN，频点1的频带标识、频点1对应的定位频率层标识至少之一，那么第二网络设备或终端可以反馈频点1对应的服务小区相关信息。
在本申请一种实施例中，第一网络设备根据UE能力(如UE支持FFT处理PRS)、某个PRS频点对应的服务小区与UE待测量的PRS对应的非服务小区的之间的接收定时差不满足目标定时差门限，则第一网络设备可发送用于指示终端仅使用MG进行PRS测量的目标指示信息，或者，发送用于指示所述终端使用激活BWP进行PRS测量的目标指示信息，或者发送用于指示所述终端可使用激活BWP进行PRS测量或MG进行PRS测量的目标指示信息，或者发送用于指示所述终端不仅限于使用MG进行PRS测量的目标指示信息。
在本申请一种实施例中，所述目标指示信息指示的PRS测量方式包括：终端使用测量间隔MG对第一目标PRS进行PRS测量。该目标指示信息可以在所述第一目标PRS对应的非服务小区不满足PRS测量条件的情况下发送。
第一网络设备在获取目标信息之后，可向基站和/或终端发送与MG配置 相关的指示信息(即目标指示信息)，指示信息用于指示终端对于第一目标PRS，终端仅可以使用MG进行测量，或者，对于第一目标PRS，基站仅可以配置MG用于终端测量PRS。也就是说，对于第一目标PRS，UE不可以使用MG less的方式测量PRS，不允许通过active DL BWP测量PRS；或者，第二网络设备仅可以配置MG，不可以配置PRS processing window。
可选的，所述第一目标PRS包括所述终端的非服务小区中不满足PRS测量条件的非服务小区的PRS。可选的，所述第一目标PRS还包括如下至少一项：至少一个非服务小区的PRS；至少一个TRP的PRS；至少一个定位频率层的PRS。
可选的，(某个定位频率层下)，若不满足PRS测量条件的非服务小区(或TRP)的个数超过N，则发送目标指示信息；或者(某个定位频率层下)，若满足PRS测量条件的非服务小区(或TRP)的个数不超过M，则发送目标指示信息。其中，N和M可以由网络指示、协议约定、终端指示中的至少一种方式获得。第一目标PRS可以是至少一个定位频率层的PRS，或者至少一个TRP下的PRS。
第一网络设备未发送目标指示信息时，对于第一目标PRS，终端可以使用MG测量，也可以使用激活(active)BWP测量PRS；或者，基站可以给终端配置MG，也可以不配置MG且允许UE通过active BWP测量PRS。
所述目标指示信息用于指示终端使用测量间隔MG对第一目标PRS进行PRS测量的情况下，所述目标指示信息包括如下至少一项：
MG使能标识，例如，MG使能标识为1，那么对于第一目标PRS，终端仅可以使用MG；标识为0或缺省指示，则不限制(既可以使用MG，也可以MG less)；可选的，MG使能标识可以为每个定位频率层的指示。
第一目标PRS定位频率层信息，即第一目标PRS对应的频域信息，包括：定位频率层标识(该标识表示对该定位频率层有效)和定位频率层的频域信息(如PointA、中心频点、带宽、SCS、起始频域位置、频域范围等至少之一)中的至少一项。
目标指示信息可以包含在第一网络设备发起的MG请求和/或PRS处理窗请求中，或者包含在第一网络设备发给终端的LTE定位协议(LTE  Positioning Protocol，LPP)消息(如位置信息请求消息)中。可选的，第一网络设备可以通过MG请求和/或PRS processing window请求中是否包含PRS具体的频域位置信息进行隐式指示，例如，若MG请求和/或PRS processing window请求中不包含定位频率层的频域位置信息，则对于该定位频率层的PRS，终端仅可以使用MG测量(或者，基站仅可以配置MG测量对应的PRS)。其中，频域位置信息包含以下至少之一：SCS，point-A,带宽，起始频域位置，频域范围，中心频点等等。
在本申请一种实施例中，所述目标指示信息指示的PRS测量方式包括：所述终端在使用激活BWP进行PRS测量的情况下，忽略对第二目标PRS的测量和/或对第三目标PRS进行测量。也就是说，位置服务器向第二网络设备或终端指示：所述终端在使用激活BWP进行PRS测量的情况下，忽略对第二目标PRS的测量和/或对第三目标PRS进行测量，即目标指示信息用于指示UE用BWP测量PRS时忽略对所述第二目标PRS的测量，和/或，用于指示UE用BWP测量PRS时应该测量的PRS(即第三目标PRS)。其中，所述目标指示信息可以包括在PRS processing window配置指示中。可选的，PRS processing window配置(或者，UE使用BWP测量PRS时的PRS配置)中指示UE忽略对第二目标PRS(显式指示)的测量；或者PRS processing window的配置指示中不包含第二目标PRS的配置(隐式指示)，即PRS processing window配置与第二目标PRS无关。可选的，PRS processing window配置中指示UE对第三目标PRS(显式指示)的测量；或者PRS processing window的配置仅包含第三目标PRS(隐式指示)。
可选的，所述第二网络设备获得目标指示信息后，向终端发送PRS processing window的配置。其中，在PRS processing window配置(或者，UE使用BWP测量PRS时的PRS配置)中指示UE忽略对第二目标PRS(显式指示)的测量；或者PRS processing window的配置中不包含第二目标PRS的配置(隐式指示)，即PRS processing window配置与第二目标PRS无关。可选的，PRS processing window配置中指示UE对第三目标PRS(显式指示)的测量；或者PRS processing window的配置仅包含第三目标PRS(隐式指示)的配置。
所述第二目标PRS包括不满足PRS测量条件的非服务小区的PRS，和/或，所述第三目标PRS包括满足PRS测量条件的非服务小区的PRS。
其中，所述第二目标PRS包括如下至少一项：
至少一个非服务小区的PRS；
至少一个发送和接收点TRP的PRS；
至少一个定位频率层的PRS；
和/或，
所述第三目标PRS包括如下至少一项：
至少一个非服务小区的PRS；
至少一个TRP的PRS；
至少一个定位频率层的PRS。
其中，所述第二目标PRS包括如下至少一项：
所述第二目标PRS对应的定位频率层标识；
所述第二目标PRS对应的TRP标识；
所述第二目标PRS对应的PRS资源集合标识；
所述第二目标PRS标识；
发送所述第二目标PRS的小区的标识；
和/或，
所述第三目标PRS包括如下至少一项：
所述第三目标PRS对应的定位频率层标识；
所述第三目标PRS对应的TRP标识；
所述第三目标PRS对应的PRS资源集合标识；
所述第三目标PRS标识；
发送所述第三目标PRS的小区的标识。
可选的，第三目标PRS可以包含在PRS配置中，而PRS配置与UE使用BWP测量有关，或者PRS配置与PRS processing window有关，或者PRS配置为UE使用active BWP或PRS processing window测量PRS时的PRS配置。比如，第三目标PRS配置中携带标识，用于标识该PRS配置专门用于BWP测量PRS。
可选的，第三目标PRS配置与UE使用MG对应的PRS配置不同，仅用于通过BWP测量的情况。
在本申请一种实施例中，所述目标指示信息还用于指示PRS处理窗配置，其中，所述PRS处理窗配置不包括第四目标PRS的配置，或者所述PRS处理窗配置与第四目标PRS无关。所述第四目标PRS包括如下至少一项：
至少一个非服务小区的PRS；
至少一个TRP的PRS；
至少一个定位频率层的PRS；
不满足PRS测量条件的非服务小区的PRS。
在本申请一种实施例中，所述目标指示信息还用于指示所述终端是否可以请求MG、所述终端是否可以请求PRS处理窗、所述第二网络设备是否已请求MG、所述第二网络设备是否已请求PRS处理窗、所述终端请求MG的方式、所述终端请求PRS处理窗的方式中的至少一项。请求MG的方式、或请求PRS处理窗的方式，例如，通过媒体接入控制(Media Access Control，MAC)控制元素(Control Element，CE)请求、或无线资源控制(Radio Resource Control，RRC)请求，或上行控制信息(Uplink control information，UCI)请求等。
可选的，所述目标指示信息可以包含在第一网络设备发送的位置信息请求(如LPP消息请求位置信息(RequestLocationInformation))、或辅助数据(如LPP消息提供辅助数据(ProvideAssistanceData))、或单独的消息中。
可选的，第一网络设备是否已请求MG和/或PRS processing window为第一网络设备通过NR定位协议A(NR positioning protocol A，NRPPa)向第二网络设备请求MG和/或PRS processing window。
可选的，所述终端是否可以请求MG和/或PRS processing window，指的是所述第二网络设备是否允许终端通过信令向第二网络设备请求MG和/或PRS processing window。
可选的，若终端收到目标指示信息，或位置信息请求，或二者之一中靠后接收到的消息后，开启定时器(timer)，在timer中接收MG配置(或激活)或PRS processing window配置(或激活)消息；在timer结束(或释放，或 停止)后，若终端未收到接收MG配置(或激活)或PRS processing window配置(或激活)消息，UE向第二网络设备(或第一网络设备)发起MG或PRS processing window配置(或激活)的请求和/或上报MG或PRS processing window配置失效的信息。
可选的，若终端收到目标指示信息，或位置信息请求，或二者之一靠后的消息后，开启定时器(timer)，在timer中接收MG配置(或激活)消息；在timer结束(或释放，或停止)后，若终端未收到接收MG配置(或激活)消息，UE向第二网络设备(或第一网络设备)发起MG配置(或激活)的请求和/或上报MG配置失效的信息。可选的，所述timer仅用于终端使用MG测量PRS的情况，若终端判断或收到指示确认目标PRS可以用active BWP测量，那么终端忽略该timer。
可选的，Timer的起始时间为若终端收到目标指示信息，或位置信息请求，或二者之一靠后的消息的时间；timer的长度(或结束时间)可以由网络设备(第一网络设备或第二网络设备)指示、协议约定或终端选择至少之一确定。
在本申请另一种实施例中，所述目标指示信息用于指示所述终端的定位服务的需求(requirement)信息(比如第一网络设备向第二网络设备指示)，包含：服务质量(Quality of service，QoS)requirement，终端测量性能requirement(measurement performance requirement)至少之一。其中，QoS requirement包含定位精度requirement，定位时延requirement中的至少之一。可选的，所述终端测量性能requirement信息为当前终端测量量(如参考信号时间差RSTD，参考信号接收功率RSRP，或接收发送时间差Rx-Tx time difference)对应的测量性能requirement，表示终端上报的测量量应该满足的要求，包含精度测量性能requirement、时延测量性能requirement至少之一。比如，指示精度测量性能requirement，指示精度与PRS带宽，信噪比，子载波间隔，信道类型等等对应的requirement表格。
上述中，所述终端的能力信息包括如下至少一项：
是否支持在激活下行(DownLink，DL)BWP(或在PRS processing window中)处理PRS；
是否支持用MG处理PRS；
使用MG处理PRS的处理能力；
使用激活DL BWP(或在PRS processing window中)处理PRS的处理能力；
在激活DL BWP处理PRS的条件下和/或在MG处理PRS的条件下，是否支持滑动相关和/或快速傅里叶变换(Fast Fourier Transform，FFT)处理PRS；
在激活DL BWP处理PRS的条件下和/或MG处理PRS的条件下，是否支持处理非同步邻区的PRS；
在激活DL BWP处理PRS的条件下和/或MG处理PRS的条件下，是否支持忽略定时差门限处理非服务小区PRS；
在激活DL BWP处理PRS的条件下和/或MG处理PRS的条件下，支持处理的非服务小区与服务小区之间的接收定时差门限的范围。
在激活DL BWP处理PRS的条件下和/或MG处理PRS的条件下，是否支持处理超过定时差门限的非服务小区的PRS。可选的，定时差门限为网络指示、协议约定或终端选择至少一种方式确定。比如定时差门限为循环前缀CP的长度。
可选的，所述终端能力类型可以是对每个终端(per UE)或者对每个频带(per band)。
UE可以上报能力信息至第一网络设备和/或第二网络设备。终端的能力信息可以单独上报，也可以包含在使用active BWP(或者使用PRS processing window)测量PRS相关的能力中。
这里，滑动相关还可以理解为：时域相关处理，或者时域处理。FFT处理还可以理解为：离散傅里叶变换(Discrete Fourier transform，DFT)处理，或者频域采样处理，或者频域处理。
可选的，所述终端的非服务小区与所述终端的服务小区的接收定时差，可以理解为：
所述终端的非服务小区的定时与所述终端的服务小区的定时之间的定时差；或者，所述终端的非服务小区的接收定时与所述终端的服务小区的接收定时之间的接收定时差；或者，所述终端的非服务小区的PRS与服务小区的PRS的接收定时差；或者，所述终端的非服务小区的PRS与服务小区定时的 接收定时差
终端的能力信息发送至第二网络设备的情况，可以是UE直接发送给第二网络设备，也可以是UE发送给第一网络设备，然后由第一网络设备发送给第二网络设备。
若UE能力支持滑动相关处理PRS，或者处理的非同步邻区PRS，或者处理非服务小区与服务小区接收定时差(Rx time difference)较大时，可以认为UE可以忽略PRS测量条件处理非服务小区的PRS。
可选的，所述目标指示信息指示的PRS测量方式包括：
在满足如下至少一项的情况下使用激活BWP进行PRS测量：
所有要测量的非服务小区满足PRS测量条件；
所有要测量的非服务小区与服务小区同步；
在所述终端支持滑动窗的情况下，忽略所有要测量的非服务小区是否满足所述PRS测量条件，或者忽略所有要测量的非服务小区是否与服务小区同步。
具体地，所述目标指示信息用于指示所述终端在如下至少一项所述的假设前提下使用激活BWP进行PRS测量：
所有要测量的非服务小区满足PRS测量条件；
所有要测量的非服务小区与服务小区同步；
在所述终端支持滑动窗的情况下，忽略所有要测量的非服务小区是否满足所述PRS测量条件，或者忽略所有要测量的非服务小区是否与服务小区同步。
也就是说，在第一网络设备根据目标信息判断终端的非服务小区是否满足终端的PRS测量条件的方案下，终端在active BWP下测量PRS时，UE的假设包含以下至少之一：
UE使用active DL BWP测量PRS时，UE假设所有要测量的邻区TRP满足条件门限；
UE使用active DL BWP测量PRS时，UE假设所有要测量的邻区TRP与服务小区同步；
若UE可以支持滑动窗，UE使用active DL BWP测量PRS时，UE忽略 所有要测量的邻区TRP是否满足条件门限，或者忽略所有要测量的邻区TRP是否与服务小区同步。
或者，终端在active BWP下测量PRS时，UE的假设包含以下至少之一：
UE使用active DL BWP测量PRS时，UE假设所有要测量的邻区TRP满足条件门限；
UE使用active DL BWP测量PRS时，UE假设所有要测量的邻区TRP与服务小区同步；
若UE可以支持滑动窗，UE使用active DL BWP测量PRS时，UE忽略所有要测量的邻区TRP是否满足条件门限，或者忽略所有要测量的邻区TRP是否与服务小区同步。
本申请实施例还提供一种上行定时调整上报方法，所述方法包括：
终端向网络设备发送上行定时调整信息，所述上行定时调整信息用于减少上行定时调整造成的误差。
具体的，网络设备可包括第一网络设备和第二网络设备，其中，第一网络设备可为位置服务器，第二网络设备可为服务基站。在上行定位方法中，和/或，上行定位和下行定位方法中，终端可上报上行定时调整信息至第一网络设备(例如位置服务器)和/或第二网络设备(例如服务基站)，用于减少上行定时调整造成的误差。
终端可以直接通过LPP消息上报至位置服务器，或者通过服务gNB转发间接上报至位置服务器，即终端将上行定时调整信息先发送至服务gNB，再由服务gNB通过NRPPa消息发送至位置服务器。
可选的，所述上行定时调整信息包括：信道探测参考信号(Sounding Reference Signal，SRS)传输过程中SRS上行定时发生的变化信息，或者每次上行定时调整上行定时的变化信息。
SRS传输过程中SRS上行定时发生的变化：比如SRS instance1和SRS instance2之间发生了多次上行定时的调整，那么终端上报的是SRS instance2与SRS instance1对应的上行定时的总的变化，而不是SRS instance1和SRS instance2之间的每次上行定时调整的时间。
每次上行定时调整上行定时的变化：比如SRS instance1和SRS instance2 之间发生了多次上行定时的调整，那么终端上报的每次上行定时调整的时间，而不是SRS instance2与SRS instance1对应的上行定时的总的变化(或者，与SRS上行定时变化无关)。
可选的，所述上行定时调整信息的类型包括如下至少一项：
终端自动上行定时调整；
定时提前调整；
终端自动上行定时调整与定时提前调整之和。
这里终端自动上行定时调整与定时提前调整之和，还可以理解为：包含终端自动上行定时调整和定时提前调整的总上行定时调整。
可选的，所述上行定时调整信息包括上行定时调整对应的时间戳(time stamp)，所述时间戳用于表示上行定时调整发生的时间。
一种实施方式，上行定时调整信息为SRS传输过程中SRS上行定时发生的变化，所述time stamp为SRS对应的time stamp，或者time stamp为SRS之前最近的一次上行定时调整发生的时间。这里，每个time stamp对应一个上行定时调整的值。
一种实施方式，上行定时调整信息为SRS传输过程中SRS上行定时发生的变化，所述time stamp包含SRS对应的time stamp和SRS之前最近的一次上行定时调整发生的时间。这里，2个time stamp对应一个上行定时调整的值。
一种实施方式，上行定时调整信息为每次上行定时调整上行定时的变化，所述time stamp为每次上行定时调整对应的time stamp。这里，每个time stamp对应一个上行定时调整的值。
一种实施方式，上行定时调整信息为SRS传输过程中SRS上行定时发生的变化，终端上报2种time stamp。
其中，第一种time stamp为SRS对应的time stamp或者time stamp为SRS之前最近的一次上行定时调整发生的时间。每个time stamp对应一个上行定时调整的值。
第二种time stamp为每次上行定时调整对应的time stamp。这种time stamp仅用于指示位置服务器上行定时调整发生的时间。每个time stamp并非关联上行定时调整的值。
一种实施方式，上行定时调整信息为SRS传输过程中SRS上行定时发生的变化，终端上报2种time stamp。
第一种time stamp为SRS对应的time stamp或者time stamp为SRS之前最近的一次上行定时调整发生的时间。每个time stamp对应一个上行定时调整的值。
第二种time stamp为接收PRS前最近的一次上行定时调整对应的time stamp。这种time stamp并非关联上行定时调整的值。
一种实施方式，上行定时调整信息为SRS传输过程中SRS上行定时发生的变化，终端上报3种time stamp。
第一种time stamp为SRS对应的time stamp。每个time stamp对应一个上行定时调整的值。
第二种time stamp为接收PRS前最近的一次上行定时调整对应的time stamp。这种time stamp并非关联上行定时调整的值。
第三种time stamp为SRS之前最近的一次上行定时调整发生的时间。这种time stamp并非关联上行定时调整的值。
可选的，在所述上行定时调整信息的类型包括多个类型的情况下，不同类型的上行定时调整信息分别上报。不同类型的上行定时调整信息对应各自的time stamp。
一种实施方式，终端通过不同的报告进行上报。不同报告与不同类型的上行定时调整信息关联。
一种实施方式，终端在相同的报告中上报上行定时调整信息，但通过不同的字段区分不同类型的上行定时调整信息。
比如：字段A表示终端自动上行定时调整；字段B表示定时提前调整。
可选的，终端上报某次的上行定时调整时，如果仅包含某种类型的上行定时调整，那么另一种类型的上行定时调整可以缺省，或者指示为0。
终端在上报上行定时调整信息前，接收位置服务器的请求，所述请求用于请求终端上报上行定时调整信息。其中，所述请求信息包含以下信息至少之一：
上行定时调整信息上报的类型：周期性上报、事件触发式上报之一
进一步的，所述请求信息包含周期性上报的周期信息或者事件触发式上报的事件信息；
进一步的，事件信息为：SRS传输过程中SRS上行定时发生的变化，或者每次上行定时调整发生变化终端进行上报
上行定时调整信息的类型：终端自动上行定时调整、定时提前调整、终端自动上行定时调整与定时提前调整之和至少之一
上行定时调整信息的参考对象：SRS传输过程中SRS上行定时发生的变化、每次上行定时调整上行定时的变化之一。
可选的，所述上行定时调整信息为终端测量时间窗(measurement time window，MTW)内的上行定时调整信息。
可选的，对于周期性上报，与‘周期性上报’有关的配置包含：周期大小(或者连续2次报告的时间间隔)、周期数(或者，周期性报告的总数)、周期报告的起始时间、周期报告的周期偏移至少之一。所述配置可以由网络指示、协议约定或终端选择至少一种方式确定。
一种周期性上报的实施方式，所述上行定时调整信息为每次上行定时调整上行定时的变化信息，那么每个周期报告中包含这个周期持续时间内的所有上行定时调整信息和对应的time stamp。
另一种周期性上报的实施方式，所述上行定时调整信息为SRS上行定时发生的变化信息，那么每个周期报告中包含这个周期持续时间内的所有SRS上行定时调整信息和对应的time stamp。
可选的，对于事件触发式上报，与‘事件触发式上报’有关的配置包含：事件信息、事件定时器、事件报告的持续时间、连续事件报告的最小间隔、连续事件报告的最大间隔、事件报告的最大数量等至少之一。所述配置可以由网络指示、协议约定或终端选择至少一种方式确定。这里，事件定时器为事件发生后，最晚不超过一个时间间隔进行上报。
一种事件触发式上报的实施方式，事件信息为每次上行定时调整上行定时的变化，那么每个事件报告中包含对应的上行定时调整信息和对应的time stamp。
另一种事件触发式上报的实施方式，事件信息为SRS上行定时的变化， 所述要上报的上行定时调整信息为：每次上行定时调整的变化。那么每个事件报告包含2次事件报告之间的所有上行定时调整的变化信息和对应的time stamp(比如SRS上行定时变化的time stamp和/或每次上行定时调整的变化time stamp)。
另一种事件触发式上报的实施方式，事件信息为SRS上行定时的变化，所述要上报的上行定时调整信息为：SRS上行定时的变化。那么每个事件报告包含对应的SRS定时调整信息和对应的time stamp。
可选的，这里SRS可以理解为SRS实例(SRS instance)、SRS时间机会(SRS time occasion)、SRS周期(SRS period)、SRS资源(SRS resource)、SRS资源集(SRS resource set)。
可选的，SRS包含但不限于用于定位的SRS、常规的SRS(用于多输入多输出(Multiple Input Multiple Output，MIMO)的SRS)至少之一。
可选的，终端上报能力至第一网络设备和第二网络设备至少之一，能力信息包含以下至少之一：
是否支持上行定时调整上报；
支持哪种上报方式，如周期性、事件触发上报至少之一；
支持上行定时调整信息的类型，如终端自动上行定时调整、定时提前调整、终端自动上行定时调整与定时提前调整之和至少之一
支持上行定时调整信息的参考对象，如SRS传输过程中SRS上行定时发生的变化、每次上行定时调整上行定时的变化之一。
本申请实施例还提供一种上行定时调整上报方法，所述方法包括：
第二网络设备向第一网络设备发送上行定时调整信息，所述上行定时调整信息用于减少上行定时调整造成的误差。
具体的，在上行定位方法中，和/或，上行定位和下行定位方法中，第二网络设备(例如服务基站)上报终端的上行定时调整信息至位置服务器，用于减少上行定时调整造成的误差。
可选的，所述服务基站上报的上行定时调整信息的类型为定时提前调整。
可选的，所述上行定时调整信息的类型包括如下至少一项：
终端自动上行定时调整；
定时提前调整；
终端自动上行定时调整与定时提前调整之和。
具体的，终端自动上行定时调整可以来自终端上报；定时提前调整可以由服务基站确定或者来自终端上报；终端自动上行定时调整与定时提前调整之和可以来自终端上报，或者服务基站基于终端上报的自动上行定时调整以及服务基站确定的定时提前调整由服务基站最终确定。
可选的，所述上行定时调整信息包括：SRS传输过程中SRS上行定时发生的变化信息，或者每次上行定时调整上行定时的变化信息。
可选的，所述上行定时调整信息包括上行定时调整对应的时间戳，所述时间戳用于表示上行定时调整发生的时间。
可选的，在所述上行定时调整信息的类型包括多个类型的情况下，不同类型的上行定时调整信息分别上报。
服务基站在上报上行定时调整信息前，接收位置服务器的请求，所述请求用于请求服务基站上报终端的上行定时调整信息。其中，所述请求信息包含以下信息至少之一：
上行定时调整信息上报的类型：周期性上报、事件触发式上报之一
上行定时调整信息的类型：终端自动上行定时调整、定时提前调整、终端自动上行定时调整与定时提前调整之和至少之一
上行定时调整信息的参考对象：SRS传输过程中SRS上行定时发生的变化、每次上行定时调整上行定时的变化之一
可选的，关于第二网络设备(例如服务基站)周期性上报和事件上报的信息上报上行定时调整信息，所述方法可以完全参考终端侧周期性上报和事件上报的方法，此处不再赘述。
一种服务基站上报上行定时调整的具体实施方式为：服务基站基于事件信息(定时提前调整变化)进行上报，每次上报中包含本次定时提前调整的信息。定时提前调整的上报不晚于服务基站向终端发送定时提前命令(Timing Advance command，TA command)后再加一段时间间隔(time gap)。这段time gap由协议约定、网络指示或终端选择至少一种方式确定。
本申请实施例还提供一种上行定时调整上报方法，所述方法包括：
第一网络设备接收终端或第二网络设备发送的上行定时调整信息，所述上行定时调整信息用于减少位置计算时由于上行定时调整造成的误差。
可选的，所述方法还包括：第一网络设备将所述上行定时调整信息发送至参与定位的非服务基站，用于第二网络设备测量执行定位测量时考虑上行定时调整信息带来的影响。
需要说明的是，本申请实施例提供的定位方法，执行主体可以为定位装置，或者，该定位装置中的用于执行定位方法的控制模块。
以下实施例中以定位装置执行定位方法为例，说明本申请实施例提供的定位装置。
请参见图3，图3是本申请实施例提供的一种定位装置的结构图，定位装置300，包括：
获取模块301，用于获取目标信息；
发起模块302，用于根据目标信息，发起定位流程；
其中，所述定位流程包括如下至少一项：
向第二网络设备和/或终端发送目标指示信息，其中，所述目标指示信息用于指示所述终端的定位参考信号PRS测量方式；
向所述终端发送PRS定位辅助数据；
向所述终端发送位置信息请求，所述位置信息请求用于请求所述终端的PRS测量结果；
执行位置计算，所述位置计算用于计算所述终端的位置。
可选的，所述目标信息包括如下至少一项：
服务小区的相关信息；
所述终端的能力信息；
定时差门限信息。
可选的，所述服务小区的相关信息包括如下至少一项：
服务小区的同步信息；
服务小区的定时信息；
服务小区的频域位置信息；
服务小区的标识信息；
服务小区的激活信息；
服务小区的去激活信息；
服务小区的添加信息；
服务小区的释放信息。
可选的，所述服务小区包括主小区，主辅小区和辅小区中的至少之一。
可选的，所述服务小区的定时信息，包括如下至少一项：
所述服务小区与主小区的定时偏差；
所述服务小区的系统帧0与主小区的系统帧0之间的偏移；
所述服务小区的系统帧0的绝对时间。
可选的，所述服务小区的频域位置信息，包括如下至少一项：
所述服务小区的频点位置；
所述服务小区的中心频点位置；
所述服务小区的载波带宽；
所述服务小区的参考点；
所述服务小区支持的子载波间隔SCS；
所述服务小区的载波范围；
所述服务小区对应的频带标识。
可选的，所述服务小区的标识信息，包括如下至少一项：
所述服务小区对应的服务小区标识；
所述服务小区对应的新空口小区全球标识符NCGI；
所述服务小区对应的物理小区标识PCI；
所述服务小区对应的频带标识。
可选的，所述装置还包括：
发送模块，用于发送第一请求信息，所述第一请求信息用于获取所述终端的服务小区的相关信息。
可选的，所述第一请求信息包括如下至少一项：
与所述相关信息中的目标参数相关联的请求标识；
目标频域位置信息，所述目标频域位置信息用于请求获取目标频域位置对应的服务小区的相关信息。
可选的，所述目标指示信息用于指示：终端使用测量间隔MG对第一目标PRS进行PRS测量。
可选的，所述第一目标PRS包括所述终端的非服务小区中不满足PRS测量条件的非服务小区的PRS。
可选的，所述第一目标PRS包括如下至少一项：
至少一个非服务小区的PRS；
至少一个发送和接收点TRP的PRS；
至少一个定位频率层的PRS。
可选的，所述目标指示信息用于指示：终端使用测量间隔MG对第一目标PRS进行PRS测量的情况下，所述目标指示信息包括如下至少一项：
MG使能标识；
第一目标PRS定位频率层信息。
可选的，所述目标指示信息指示的PRS测量方式包括：所述终端在使用激活BWP进行PRS测量的情况下，忽略对第二目标PRS的测量和/或对第三目标PRS进行测量。
可选的，所述第二目标PRS包括如下至少一项：
至少一个非服务小区的PRS；
至少一个发送和接收点TRP的PRS；
至少一个定位频率层的PRS；
和/或，
所述第三目标PRS包括如下至少一项：
至少一个非服务小区的PRS；
至少一个TRP的PRS；
至少一个定位频率层的PRS。
可选的，所述第二目标PRS包括不满足PRS测量条件的非服务小区的PRS，和/或，所述第三目标PRS包括满足PRS测量条件的非服务小区的PRS。
可选的，所述第二目标PRS包括如下至少一项：
所述第二目标PRS对应的定位频率层标识；
所述第二目标PRS对应的TRP标识；
所述第二目标PRS对应的PRS资源集合标识；
所述第二目标PRS标识；
发送所述第二目标PRS的小区的标识；
和/或，
所述第三目标PRS包括如下至少一项：
所述第三目标PRS对应的定位频率层标识；
所述第三目标PRS对应的TRP标识；
所述第三目标PRS对应的PRS资源集合标识；
所述第三目标PRS标识；
发送所述第三目标PRS的小区的标识。
可选的，所述目标指示信息用于指示所述终端在如下至少一项所述的假设前提下使用激活BWP进行PRS测量：
所有要测量的非服务小区满足PRS测量条件；
所有要测量的非服务小区与服务小区同步；
在所述终端支持滑动窗的情况下，忽略所有要测量的非服务小区是否满足所述PRS测量条件，或者忽略所有要测量的非服务小区是否与服务小区同步。
可选的，所述目标指示信息用于指示PRS处理窗配置，其中，所述PRS处理窗配置不包括第四目标PRS的配置，或者所述PRS处理窗配置与第四目标PRS无关。
可选的，所述第四目标PRS包括如下至少一项：
至少一个非服务小区的PRS；
至少一个TRP的PRS；
至少一个定位频率层的PRS；
不满足PRS测量条件的非服务小区的PRS。
可选的，所述目标指示信息用于指示所述终端是否可以请求MG、所述终端是否可以请求PRS处理窗、所述第二网络设备是否已请求MG、所述第二网络设备是否已请求PRS处理窗、所述终端请求MG的方式、所述终端请求PRS处理窗的方式中的至少一项。
可选的，所述终端的能力信息包括如下至少一项：
是否支持在激活下行DL BWP处理PRS；
是否支持用MG处理PRS；
使用MG处理PRS的处理能力；
使用激活DL BWP处理PRS的处理能力；
是否支持滑动相关和/或FFT处理PRS；
是否支持处理非同步邻区的PRS；
是否支持忽略定时差门限处理非服务小区PRS；
支持处理的非服务小区与服务小区之间的接收定时差门限的范围。
可选的，所述PRS测量条件包括所述终端的非服务小区与所述终端的服务小区的接收定时差小于或等于目标定时差门限。
本申请实施例提供的定位装置300能够实现图2的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
可选的，如图4所示，本申请实施例还提供一种通信设备70，包括处理器71，存储器72，存储在存储器72上并可在所述处理器71上运行的程序或指令，该通信设备70为网络侧设备时，该程序或指令被处理器71执行时实现上述图2所示的定位方法实施例或上行定时调整上报方法实施例的各个过程，且能达到相同的技术效果。其中，该通信设备70可以是终端，也可以是网络侧设备。
具体地，本申请实施例还提供了一种网络侧设备。如图5所示，该网络设备900包括：天线91、射频装置92、基带装置93。天线91与射频装置92连接。在上行方向上，射频装置92通过天线91接收信息，将接收的信息发送给基带装置93进行处理。在下行方向上，基带装置93对要发送的信息进行处理，并发送给射频装置92，射频装置92对收到的信息进行处理后经过天线91发送出去。
上述频带处理装置可以位于基带装置93中，以上实施例中网络侧设备执行的方法可以在基带装置93中实现，该基带装置93包括处理器94和存储器95。
基带装置93例如可以包括至少一个基带板，该基带板上设置有多个芯片， 如图5所示，其中一个芯片例如为处理器94，与存储器95连接，以调用存储器95中的程序，执行以上方法实施例中所示的网络设备操作。
该基带装置93还可以包括网络接口96，用于与射频装置92交互信息，该接口例如为通用公共无线接口(common public radio interface，简称CPRI)。
具体地，本发明实施例的网络侧设备还包括：存储在存储器95上并可在处理器94上运行的指令或程序，处理器94调用存储器95中的指令或程序执行图3所示各模块执行的方法，或执行上行定时调整上报方法实施例的方法，并达到相同的技术效果，为避免重复，故不在此赘述。
本申请实施例还提供一种可读存储介质，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现图2所述方法实施例或上行定时调整上报方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的终端或者网络侧设备中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行网络侧设备程序或指令，实现上述图2方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
本申请实施例提供一种计算机程序产品，所述计算机程序产品被存储在存储介质中，所述计算机程序产品被至少一个处理器执行以实现上述定位方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还 包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (40)

  1. 一种定位方法，包括：
    第一网络设备获取目标信息；
    所述第一网络设备根据目标信息，发起定位流程；
    其中，所述定位流程包括如下至少一项：
    向第二网络设备和/或终端发送目标指示信息，其中，所述目标指示信息用于指示所述终端的定位参考信号PRS测量方式；
    向所述终端发送PRS定位辅助数据；
    向所述终端发送位置信息请求，所述位置信息请求用于请求所述终端的PRS测量结果；
    执行位置计算，所述位置计算用于计算所述终端的位置。
  2. 根据权利要求1所述的方法，其中，所述目标信息包括如下至少一项：
    服务小区的相关信息；
    所述终端的能力信息；
    定时差门限信息。
  3. 根据权利要求2所述的方法，其中，所述服务小区的相关信息包括如下至少一项：
    服务小区的同步信息；
    服务小区的定时信息；
    服务小区的频域位置信息；
    服务小区的标识信息；
    服务小区的激活信息；
    服务小区的去激活信息；
    服务小区的添加信息；
    服务小区的释放信息。
  4. 根据权利要求3所述的方法，其中，所述服务小区包括主小区、主辅小区和辅小区中的至少之一。
  5. 根据权利要求3所述的方法，其中，所述服务小区的定时信息包括如下 至少一项：
    所述服务小区与主小区的定时偏差；
    所述服务小区的系统帧0与主小区的系统帧0之间的偏移；
    所述服务小区的系统帧0的绝对时间。
  6. 根据权利要求3所述的方法，其中，所述服务小区的频域位置信息，包括如下至少一项：
    所述服务小区的频点位置；
    所述服务小区的中心频点位置；
    所述服务小区的载波带宽；
    所述服务小区的参考点；
    所述服务小区支持的子载波间隔SCS；
    所述服务小区的载波范围；
    所述服务小区对应的频带标识。
  7. 根据权利要求3所述的方法，其中，所述服务小区的标识信息，包括如下至少一项：
    所述服务小区对应的服务小区标识；
    所述服务小区对应的新空口小区全球标识符NCGI；
    所述服务小区对应的物理小区标识PCI；
    所述服务小区对应的频带标识。
  8. 根据权利要求2所述的方法，其中，在所述网络设备获取目标信息之前，所述方法还包括：
    发送第一请求信息，所述第一请求信息用于请求所述终端的服务小区的相关信息。
  9. 根据权利要求8所述的方法，其中，所述第一请求信息包括如下至少一项：
    与所述相关信息中的目标参数相关联的请求标识；
    目标频域位置信息，所述目标频域位置信息用于请求获取目标频域位置对应的服务小区的相关信息。
  10. 根据权利要求1所述的方法，其中，所述目标指示信息指示的PRS测量 方式包括：使用测量间隔MG对第一目标PRS进行PRS测量。
  11. 根据权利要求10所述的方法，其中，所述第一目标PRS包括所述终端的非服务小区中不满足PRS测量条件的非服务小区的PRS。
  12. 根据权利要求10所述的方法，其中，所述第一目标PRS包括如下至少一项：
    至少一个非服务小区的PRS；
    至少一个发送和接收点TRP的PRS；
    至少一个定位频率层的PRS。
  13. 根据权利要求11所述的方法，其中，所述目标指示信息包括如下至少一项：
    MG使能标识；
    第一目标PRS定位频率层信息。
  14. 根据权利要求1所述的方法，其中，所述目标指示信息指示的PRS测量方式包括：在使用激活部分带宽BWP进行PRS测量的情况下，忽略对第二目标PRS的测量和/或对第三目标PRS进行测量。
  15. 根据权利要求14所述的方法，其中，所述第二目标PRS包括如下至少一项：
    至少一个非服务小区的PRS；
    至少一个发送和接收点TRP的PRS；
    至少一个定位频率层的PRS；
    和/或，
    所述第三目标PRS包括如下至少一项：
    至少一个非服务小区的PRS；
    至少一个TRP的PRS；
    至少一个定位频率层的PRS。
  16. 根据权利要求14所述的方法，其中，所述第二目标PRS包括不满足PRS测量条件的非服务小区的PRS，和/或，所述第三目标PRS包括满足PRS测量条件的非服务小区的PRS。
  17. 根据权利要求14所述的方法，其中，所述第二目标PRS包括如下至少 一项：
    所述第二目标PRS对应的定位频率层标识；
    所述第二目标PRS对应的TRP标识；
    所述第二目标PRS对应的PRS资源集合标识；
    所述第二目标PRS标识；
    发送所述第二目标PRS的小区的标识；
    和/或，
    所述第三目标PRS包括如下至少一项：
    所述第三目标PRS对应的定位频率层标识；
    所述第三目标PRS对应的TRP标识；
    所述第三目标PRS对应的PRS资源集合标识；
    所述第三目标PRS标识；
    发送所述第三目标PRS的小区的标识。
  18. 根据权利要求1所述的方法，其中，所述目标指示信息指示的PRS测量方式包括：
    在满足如下至少一项的情况下使用激活BWP进行PRS测量：
    所有要测量的非服务小区满足PRS测量条件；
    所有要测量的非服务小区与服务小区同步；
    在所述终端支持滑动窗的情况下，忽略所有要测量的非服务小区是否满足所述PRS测量条件，或者忽略所有要测量的非服务小区是否与服务小区同步。
  19. 根据权利要求1所述的方法，其中，所述目标指示信息还用于指示PRS处理窗配置，其中，所述PRS处理窗配置不包括第四目标PRS的配置，或者所述PRS处理窗配置与第四目标PRS无关。
  20. 根据权利要求19所述的方法，其中，所述第四目标PRS包括如下至少一项：
    至少一个非服务小区的PRS；
    至少一个TRP的PRS；
    至少一个定位频率层的PRS；
    不满足PRS测量条件的非服务小区的PRS。
  21. 根据权利要求1所述的方法，其中，所述目标指示信息还用于指示所述终端是否可以请求MG、所述终端是否可以请求PRS处理窗、所述第二网络设备是否已请求MG、所述第二网络设备是否已请求PRS处理窗、所述终端请求MG的方式、所述终端请求PRS处理窗的方式中的至少一项。
  22. 根据权利要求2所述的方法，其中，所述终端的能力信息包括如下至少一项：
    是否支持在激活下行DL BWP处理PRS；
    是否支持用MG处理PRS；
    使用MG处理PRS的处理能力；
    使用激活DL BWP处理PRS的处理能力；
    是否支持滑动相关和/或快速傅里叶变换FFT处理PRS；
    是否支持处理非同步邻区的PRS；
    是否支持忽略定时差门限处理非服务小区PRS；
    在激活DL BWP处理PRS的条件下和/或MG处理PRS的条件下，支持处理的非服务小区与服务小区之间的接收定时差门限的范围。
  23. 根据权利要求10、16、18或20中所述的方法，其中，所述PRS测量条件包括所述终端的非服务小区与所述终端的服务小区的接收定时差小于或等于目标定时差门限。
  24. 一种定位装置，包括：
    获取模块，用于获取目标信息；
    发起模块，用于根据目标信息，发起定位流程；
    其中，所述定位流程包括如下至少一项：
    向第二网络设备和/或终端发送目标指示信息，其中，所述目标指示信息用于指示所述终端的定位参考信号PRS测量方式；
    向所述终端发送PRS定位辅助数据；
    向所述终端发送位置信息请求，所述位置信息请求用于请求所述终端的PRS测量结果；
    执行位置计算，所述位置计算用于计算所述终端的位置。
  25. 根据权利要求24所述的装置，其中，所述目标指示信息指示的PRS测量方式包括：终端使用测量间隔MG对第一目标PRS进行PRS测量。
  26. 根据权利要求24所述的装置，其中，所述目标指示信息指示的PRS测量方式包括：在使用激活部分带宽BWP进行PRS测量的情况下，忽略对第二目标PRS的测量和/或对第三目标PRS进行测量。
  27. 一种网络侧设备，包括处理器，其中，存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1至23中任一项所述的定位方法的步骤。
  28. 一种可读存储介质，所述可读存储介质上存储程序或指令，其中，所述程序或指令被处理器执行时实现如权利要求1至23中任一项所述的定位方法的步骤。
  29. 一种上行定时调整上报方法，包括：
    终端向网络设备发送上行定时调整信息，所述上行定时调整信息用于减少上行定时调整造成的误差。
  30. 根据权利要求29所述的方法，其中，所述上行定时调整信息包括：SRS传输过程中SRS上行定时发生的变化信息，或者每次上行定时调整上行定时的变化信息。
  31. 根据权利要求29所述的方法，其中，所述上行定时调整信息的类型包括如下至少一项：
    终端自动上行定时调整；
    定时提前调整；
    终端自动上行定时调整与定时提前调整之和。
  32. 根据权利要求29所述的方法，其中，所述上行定时调整信息包括上行定时调整对应的时间戳，所述时间戳用于表示上行定时调整发生的时间。
  33. 根据权利要求31所述的方法，其中，在所述上行定时调整信息的类型包括多个类型的情况下，不同类型的上行定时调整信息分别上报。
  34. 一种上行定时调整上报方法，包括：
    第二网络设备向第一网络设备发送上行定时调整信息，所述上行定时调整信息用于减少上行定时调整造成的误差。
  35. 根据权利要求34所述的方法，其中，所述上行定时调整信息包括：SRS传输过程中SRS上行定时发生的变化信息，或者每次上行定时调整上行定时的变化信息。
  36. 根据权利要求34所述的方法，其中，所述上行定时调整信息的类型包括如下至少一项：
    终端自动上行定时调整；
    定时提前调整；
    终端自动上行定时调整与定时提前调整之和。
  37. 根据权利要求34所述的方法，其中，所述上行定时调整信息包括上行定时调整对应的时间戳，所述时间戳用于表示上行定时调整发生的时间。
  38. 根据权利要求36所述的方法，其中，在所述上行定时调整信息的类型包括多个类型的情况下，不同类型的上行定时调整信息分别上报。
  39. 一种上行定时调整上报方法，包括：
    第一网络设备接收终端或第二网络设备发送的上行定时调整信息，所述上行定时调整信息用于减少位置计算时由于上行定时调整造成的误差。
  40. 根据权利要求39所述的方法，其中，所述方法还包括：第一网络设备将所述上行定时调整信息发送至参与定位的非服务基站，用于第二网络设备测量执行定位测量时考虑上行定时调整信息带来的影响。
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