Positioning method, device, communication device, and network side device
The proposed positioning method enhances accuracy by network-side control of communication devices using reference signal measurements and group delay information, addressing inaccuracies in conventional methods.
Patent Information
- Application Number
- JP2023557033
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2021-03-17
- Filing Date
- 2022-03-16
- Publication Date
- 2025-01-31
- Estimated Expiration
- 2042-03-16
AI Technical Summary
Conventional positioning methods in mobile communications suffer from inaccuracies due to synchronous errors, device group delays, and angle errors between network side devices and terminal equipment.
Implementing a positioning method that involves measuring and transmitting reference signals by communication devices with known location information, controlled by the network side, and utilizing group delay, beam, and error compensation information to enhance positioning accuracy.
Improves positioning accuracy by ensuring the quality of reported location information exceeds a threshold and reduces position errors below a specified limit through network-side control and specified group delay information.
Smart Images

Figure 0007624597000002 
Figure 0007624597000003 
Figure 0007624597000004
Abstract
Description
[Technical field]
[0001] (CROSS REFERENCE TO RELATED APPLICATIONS) This invention claims priority to a Chinese patent application filed on March 17, 2021 at the China Patent Office, bearing application number 202110286968.5 and entitled "Positioning method, apparatus, communication equipment and network side equipment", the entire contents of which are incorporated herein by reference.
[0002] The present application relates to the field of mobile communication technology, and in particular to a positioning method, apparatus, communication device, and network side device. [Background technology]
[0003] In mobile communications, the positioning device mainly relates to terminals (which may be referred to as User Equipment (UE)), base stations, Transmission and Reception Points (TRPs) and Location Management Functions (LMFs). The mainly adopted positioning methods include UE-based, UE-assisted\LMF-based, and 5G radio access network node assisted (NG-RAN node assisted) positioning.
[0004] However, since there are synchronization errors, device group delays, and angle errors between network side devices and terminal devices, the accuracy of the conventional positioning methods is insufficient. Summary of the Invention [Problem to be solved by the invention]
[0005] An objective of the embodiments of the present application is to provide a positioning method, apparatus, communication device, and network side device that can solve the problem of insufficient accuracy of the positioning method. [Means for solving the problem]
[0006] According to a first aspect, there is provided a positioning method performed by a first communication device, the positioning method comprising: Measuring and / or transmitting a reference signal; determining first information based on the reference signal; Here, the first communication device is the true location information of the first communication device is known; The position trajectory of the first communication device is known; and a first location information quality of the first communication device is greater than a first threshold; and a first position error of the first communication device is less than a second threshold; and The behavior of the first communication device is controlled or configured by a network side; the first location of the first communication device being controlled or configured by a network side; A panel for measuring or transmitting a reference signal of the first communication device is designated by a network side device; The present invention has at least one feature that group delay information for measuring or transmitting the reference information of the first communication device is specified by a network side device.
[0007] According to a second aspect there is provided a positioning device, the positioning device comprising: a first measurement module for measuring and / or transmitting a reference signal; a first execution module for determining first information based on the reference signal; Here, the positioning device is The true position information of the positioning device is known; and The position trajectory of the positioning device is known; and a first location information quality of the positioning device is higher than a first threshold; and a first position error of the positioning device is less than a second threshold; and The movement of the positioning device is controlled or configured by a network side; The first position of the positioning device is controlled or configured by a network side; and A panel for measuring or transmitting a reference signal of the positioning device is designated by a network side device; The present invention has at least one feature that group delay information for measuring or transmitting the reference information of the positioning device is specified by a network side device.
[0008] According to a third aspect, there is provided a positioning method executed by a network side device, the positioning method comprising: receiving first information reported by a first communication device or a second communication device, the first information comprising: Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and and the reported position error is less than a second threshold.
[0009] According to a fourth aspect there is provided a positioning device comprising: a second transceiver module for receiving the first information reported by the first communication device or the second communication device; a second execution module for executing the positioning; The first information is Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and and the reported position error is less than a second threshold.
[0010] According to a fifth aspect, there is provided a positioning method performed by a second communication device, the positioning method comprising: receiving first information transmitted by a first communications device; or receiving second positioning assistance information transmitted by a network side device; The first information is Transmission / reception point or base station information; Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and the reported position error being less than a second threshold; The second positioning assistance information is TRP or communications equipment panel information; TRP or communication equipment group delay information; TRP or communication device error information, Beam information of TRP or communication device, Error compensation information of TRP or communication device; first location information of a first communication device; First signal measurement information of a first communications device; and second signal measurement information of the first communication device.
[0011] According to a sixth aspect there is provided a positioning device comprising: receiving first information transmitted by a first communications device; or a third transceiver module for receiving second positioning assistance information sent by the network side device; a third execution module for executing the positioning; The first information is Transmission / reception point or base station information; Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and the reported position error being less than a second threshold; The second positioning assistance information is TRP or communications equipment panel information; TRP or communication equipment group delay information; TRP or communication device error information, Beam information of TRP or communication device, Error compensation information for TRP or communication equipment; first location information of a first communication device; First signal measurement information of a first communications device; and second signal measurement information of the first communication device.
[0012] According to a seventh aspect, there is provided a network side device comprising a processor, a memory, and a program or instructions stored in the memory and operable to run on the processor, the program or instructions, when executed by the processor, realising the steps of the method according to the third aspect.
[0013] According to an eighth aspect, there is provided a communications device comprising a processor, a memory, and a program or instructions stored in the memory and operable to run on the processor, the program or instructions, when executed by the processor, performing steps of the method of the first aspect or performing steps of the method of the fifth aspect.
[0014] According to a ninth aspect, there is provided a readable storage medium having a program or instructions stored on the readable storage medium, the program or instructions being operable, when executed by a processor, to effectuate steps of the method of the first aspect, or to effectuate steps of the method of the third aspect, or to effectuate steps of the method of the fifth aspect.
[0015] According to a tenth aspect, there is provided a chip, the chip including a processor and a communication interface, the communication interface being coupled to the processor, the processor being used to run a program or instruction of a network side device and to implement the method according to the first aspect, or to implement the method according to the third aspect, or to implement steps of the method according to the fifth aspect. Effect of the Invention
[0016] In an embodiment of the present application, the positioning accuracy for a communication device can be improved by measuring and / or transmitting a reference signal in a first communication device and determining first information based on the reference signal. [Brief description of the drawings]
[0017] [Figure 1] 1 is a structural schematic diagram of a wireless communication system to which the embodiments of the present application can be applied; [Diagram 2] 1 is a flow chart of a positioning method according to an embodiment of the present application. [Diagram 3]4 is another flowchart of a positioning method according to an embodiment of the present application. [Figure 4] FIG. 2 is a schematic diagram of a network architecture of a positioning method according to an embodiment of the present application; [Diagram 5] 4 is another flowchart of a positioning method according to an embodiment of the present application. [Figure 6] 4 is another flowchart of a positioning method according to an embodiment of the present application. [Figure 7] 1 is a structural schematic diagram of a positioning device according to an embodiment of the present application; [Figure 8] 4 is another flowchart of a positioning method according to an embodiment of the present application. [Figure 9] FIG. 2 is another structural schematic diagram of a positioning device according to an embodiment of the present application. [Figure 10] 4 is another flowchart of a positioning method according to an embodiment of the present application. [Figure 11] FIG. 2 is another structural schematic diagram of a positioning device according to an embodiment of the present application. [Figure 12] 1 is a structural schematic diagram of a communication device according to an embodiment of the present application; [Figure 13] FIG. 2 is a structural schematic diagram of a first communication device implementing an embodiment of the present application; [Figure 14] FIG. 2 is a structural schematic diagram of a network side device implementing an embodiment of the present application; [Figure 15] FIG. 2 is a structural schematic diagram of a second communication device implementing an embodiment of the present application; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0018] The following clearly describes the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application are all within the scope of protection of the present application.
[0019] The terms "first," "second," etc. in the specification and claims of the present application are intended to distinguish between similar objects and are not intended to describe a particular order or sequence. It is to be understood that the terms so used are interchangeable where appropriate, such that the embodiments of the present application may be performed in an order other than that shown or described herein, and that the objects distinguished by "first" and "second" are generally of the same type and do not limit the number of objects, e.g., the first object may be one or more. It is to be noted that "and / or" in the specification and claims represents at least one of the objects connected, and the character " / " generally represents an "or" relationship between the related objects.
[0020] It should be noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be applied to other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application are always used interchangeably, and the techniques described may be used in the above-mentioned systems and radio technologies, or in other systems and radio technologies. However, although the following description describes New Radio (NR) systems for illustrative purposes and uses NR terminology in most of the following description, these technologies may also be used in applications other than NR system applications, such as sixth generation (6G) systems.th This may be applied to a 6G (6th Generation) communication system.
[0021] FIG. 1 shows a structural schematic diagram of a wireless communication system to which the embodiment of the present application can be applied. The wireless communication system includes a terminal 11 and a network side device 12. Here, the terminal 11 may be called a terminal device or a user equipment (UE), and the terminal 11 may be a terminal side device such as a mobile phone, a tablet computer, a laptop computer (or called a notebook computer), a personal digital assistant (PDA), a palmtop computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile Internet device (MID), a wearable device (Wearable Device) or a vehicle-mounted device (VUE), a pedestrian terminal (PUE), etc., and the wearable device includes a bracelet, an earphone, a pair of glasses, etc. It should be noted that the specific type of the terminal 11 in the embodiment of the present application is not limited. The network side equipment 12 may be a base station or a core network, where the base station may be called a Node B, an evolved Node B, an access point, a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a B node, an evolved B node (eNB), a home B node, a home evolved B node, a WLAN access point, a WiFi node, a TRP, or any other suitable term in the art, and as long as the same technical effect is achieved, the base station is not limited to a specific technical term, and the core network equipment may be a location management equipment, such as a location management function (LMF, E-SLMC), etc. It should be noted that in the embodiments of the present application, only base stations or core network equipment in an NR system are taken as examples, but the specific type of base station or core network is not limited.
[0022] The positioning according to the embodiments of the present application will be described in detail below with reference to specific embodiments and application scenarios in conjunction with the drawings.
[0023] 2 shows a flowchart of a positioning method according to an embodiment of the present application, which may be performed by a first communication device, in other words, the method may be performed by software or hardware installed in the communication device. As shown in FIG. 2, the method may include the following steps:
[0024] Step S201: Measure and / or transmit a reference signal.
[0025] Step S202: determining first information based on the reference signal.
[0026] Here, the first communication device is the true location information of the first communication device is known; The position trajectory of the first communication device is known; and a first location information quality of the first communication device is greater than a first threshold; and a first position error of the first communication device is less than a second threshold; and The motion of the first communication device is controlled or configured by a network side, and the motion may include one or more of whether to move, speed, direction, rotation direction, and trajectory; the first location of the first communication device being controlled or configured by a network side; A panel for measuring or transmitting a reference signal of the first communication device is designated by a network side device; The present invention has at least one feature that group delay information for measuring or transmitting the reference information of the first communication device is specified by a network side device.
[0027] Furthermore, the first information is Transmission / reception point or base station information; Panel information and Group delay information; beam information, which may include beam identification information, beam angle information, multi-beam measured energy information, and beam error information; Error compensation information; Synchronization information; Error information, First location information; and first signal measurement information.
[0028] In one embodiment, the first information includes transmitting / receiving point or base station information and group delay information, the group delay information corresponding to the indicated transmitting / receiving point. It should be noted that the group delay may be a transmitting group delay or a receiving group delay. The group delay information may be used to indicate a group delay between different links within the transmitting / receiving node, or may indicate a group delay between different transmitting / receiving nodes.
[0029] In another embodiment, the first information includes beam information and error information, the beam corresponding to the information indicating, for example, a transmit beam, a receive beam or an error corresponding to each antenna element, for example, an angle error of a transmit beam, or a shape error of a transmit beam, and / or a position error, pitch error, etc. of an antenna element.
[0030] It should be understood that the present invention includes any combination of the above and is not to be recited one by one here.
[0031] Furthermore, the true location information is obtained based on a Rat-independent positioning technology or an angle-based positioning technology, where the Rat-independent includes Global Navigation Satellite System (GNSS) positioning, sensor positioning, etc. The angle-based positioning technology includes Angle of Arrival (AoA) positioning technology or Angle of Departure (AoD) positioning technology.
[0032] Furthermore, the first position information is Absolute position information; Relative position information; Trajectory information, Route information; Speed information, Acceleration information; and directional information.
[0033] Furthermore, the method for acquiring the first position information includes: A hybrid positioning method; An angular positioning method; A time positioning method; and RAT-independent positioning method.
[0034] As a result, the positioning method according to an embodiment of the present application can improve the positioning accuracy for a communication device by measuring and / or transmitting a reference signal in a first communication device and determining first information based on the reference signal.
[0035] FIG. 3 shows a flowchart of a positioning method according to an embodiment of the present application, and as shown in FIG. 3, the method includes the following steps:
[0036] Step S301: Report type information of the first communication device to a network side device.
[0037] Furthermore, as shown in FIG. 4, the first communication device includes at least one of the following types:
[0038] The terminal type is 401 shown in FIG. 4, for example, a reference terminal or a non-reference terminal. A terminal type roadside unit (RSU) or a transmission and reception point (TRP) is, for example, a terminal type RSU or TRP whose position or reception beam direction information is known, or a terminal type RSU or TRP whose position or reception beam direction information is unknown; The base station type is 402 as shown in FIG. The base station type roadside unit or transmission / reception point is, for example, a base station type RSU or TRP whose position or receiving beam direction information is known, or a base station type RSU or TRP whose position or receiving beam direction information is unknown.
[0039] Furthermore, the type information of the first communication device is The first communication device is a reference communication device, and the reference communication device is a communication device designated by a network side device or satisfies a first condition; the first communication device being a non-reference communication device.
[0040] Here, it is necessary to specify a reference communication device based on the positioning result, capability information reported by the UE, location information, etc., specified and stored by the network side device, and the first condition may be agreed upon by a protocol or configured by the network side.
[0041] Furthermore, the type information of the first communication device is The position of the first communication device does not change; and the location of the first communication device does not change during a first time interval, i.e., the location of the first communication device does not change during a certain period of time; the position locus of the first communication device does not change; and the position trajectory of the first communication device does not change during a second time interval, i.e., the position trajectory of the first communication device does not change during a certain period of time; a target positioning method supported by the first communication device; target location request information supported for reception by the first communication device; and target location information supported for reporting by the first communication device.
[0042] Furthermore, the target positioning method supported by the first communication device includes: A hybrid positioning method; An angular positioning method; A time positioning method; and RAT-independent positioning method.
[0043] Furthermore, the target location request information supported for reception by the first communication device is: Event-triggered location request information; request information for simultaneously requesting location information and signal measurement information; a location request having a quality higher than a third threshold; and Error requirement information; Group delay requirement information; Error compensation request information; and panel configuration request information.
[0044] The target position requirement information whose reception is supported may also be one or more of: supported error requirement information, group delay requirement information, and error compensation requirement information.
[0045] Furthermore, the target location information supported for reporting by the first communication device is: Panel information and Group delay information including a group delay identification information, for example, the group delay information is the same when the group delay difference of the two transmitted or measured reference signals is smaller than a threshold value 4; location information and signal measurement information reported simultaneously; the quality of the reported location information is greater than a first threshold; and the reported position error is less than a second threshold; and Error information, Error compensation information; The panel configuration information includes at least one of the panel configuration information.
[0046] The target location information supported for reporting may be one or more of supporting error information, group delay information, and error compensation information.
[0047] Step S302: measuring and / or transmitting a reference signal.
[0048] Step S303: determining first information based on the reference signal.
[0049] The steps S302-S303 implement an embodiment of the method of steps S201-S202 in FIG. 2, and can achieve the same technical effects, and the repeated parts will not be described further here.
[0050] Therefore, the positioning method according to the embodiment of the present application can improve the positioning accuracy for the communication device by uploading the type information of the first communication device to the network side device.
[0051] FIG. 5 shows another flowchart of a positioning method according to an embodiment of the present application, and as shown in FIG. 5, the method may include the following steps:
[0052] In step S501, type information of the first communication device is reported to a network side device.
[0053] The step S501 implements an embodiment of the method of step S301 in FIG. 3, and can obtain the same technical effects, and the repeated parts will not be described further here.
[0054] Step S502, receiving location request information, the location request information being: A request for type information of a first communication device; Event trigger conditions, such as a Time Error Group (TEG) configuration change or a measurement error exceeding a threshold, a quality or error threshold for the location information; Error requirement information; Group delay requirement information; Error compensation request information; Panel information for measuring and / or transmitting a reference signal; Group delay group information, such as group identification information or group number information, for measuring and / or transmitting a reference signal; TRP information designated for measurement; and measurement information designated for reporting.
[0055] The position requirement information may include one or more of the above information, for example one or more of error requirement information, group delay requirement information, and error compensation information.
[0056] Step S503: measuring and / or transmitting a reference signal.
[0057] Step S504: determining first information based on the reference signal.
[0058] The steps S503-S504 implement the embodiment of the method of steps S201-S202 in FIG. 2, and can achieve the same technical effects, and the repeated parts will not be described further here.
[0059] Step S505, reporting the first information, Transmission / reception point or base station information; Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and and the reported position error is less than a second threshold.
[0060] The first information reported may include one or more of the above information, such as one or more of error information, group delay information, and error compensation information.
[0061] Furthermore, the error information is Reference Signal Received Power (RSRP) measurement error information; Reference Signal Time Difference (RSTD) measurement error information, Rx-Tx time difference measurement error information, Time of Arrival (TOA) measurement error information, RSRP information, Angle error information; Beam transmission error information; and beam reception error information.
[0062] Furthermore, the group delay information is Group delay identification information; Group delay group identification information; Group delay group value information; Group delay group error information; Differential group delay information; Reference group delay identification information; and group delay value information.
[0063] It should be understood that the group delay group may be represented as a TEG or panel, and includes a transmit time error group (Tx TEG), a receive time error group (Rx TEG), a transmit / receive time error group (RxTx TEG), or {Rx TEG, Tx TEG}. The association may be represented by an associated TEG identity (TEG ID), or by grouping the sounding reference signal (SRS) or positioning measurement results of the same TEG into one group, or by other methods. The group delay difference of the same group delay group is smaller than a threshold, and the delay difference of different group delay groups is larger than a threshold.
[0064] Furthermore, the group delay information is One or more group delay information of at least one corresponding TRP; One or more group delay difference value information of at least one corresponding TRP; one or more group delay information for at least one corresponding reference signal or group of reference signals; and one or more group delay difference value information of the corresponding at least one reference signal or reference signal group.
[0065] The group delay information is group delay / group delay difference value information of different Tx TEGs corresponding to one or more TRPs, or is group delay / group delay difference value information of Tx TEGs of different positioning reference signals or reference signal groups.
[0066] In one embodiment, when there are at least three TRPs, the first communication device measures the at least three TRPs using links with the same group delay information, or measures the at least three TRPs using links with specified group delay information, and the three TRPs correspond to the same path, such as Loss, paths at the same location, etc.
[0067] In one embodiment, the TEG calibration of the TRPs can be done one by one, where the TEG of the first communication device can be determined or ignored.
[0068] Furthermore, before performing step S503, the method further comprises: obtaining a correlation between the group delay information and a reference signal; Obtaining a correlation between the panel information and a reference signal; The method further includes obtaining an association relationship between the beam information and a reference signal.
[0069] The first communication device receives the association relationship between the Rx TEG and the reference signal, and / or the association relationship between the Tx TEG and the positioning reference signal of the TRP.
[0070] Furthermore, before performing step S503, the method further comprises: a target transmission / reception point; target group delay information; and a target reference signal.
[0071] The first device may be instructed to measure a particular TRP and / or a Tx TEG of a particular TRP and / or a particular reference signal.
[0072] Furthermore, before performing step S503, the method further comprises: The method further includes specifying a relationship between the first signal measurement information or receive beam (RxBeam Index) and the group delay information.
[0073] In one embodiment, the first device specifies a positioning measurement result or a relationship between an RxBeam Index and an Rx TEG, the positioning measurement result including a downlink reference signal time difference (DL-RSTD) or an Rx-Tx time difference or other type of measurement result.
[0074] Furthermore, before performing step S503, the method further comprises: The method further includes receiving or being indicated the association between the group delay information and the reference signal, for example, transmitting the association between the Tx TEG and the positioning reference signal.
[0075] Furthermore, the error compensation information Error compensation identification information; and error compensation value information; Here, the error compensation value information is determined based on first signal measurement information and location information of the first communication device.
[0076] Furthermore, the first signal measurement information is RSRP measurement information; RSTD measurement error information, Rx-Tx time difference measurement information, TOA measurement information, Reference signal identification information; Reference signal reception power information; Angle measurement information; and Transmission / Reception Point Identifier (TRP ID) information.
[0077] Furthermore, the second signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; time identifier information; Angle measurement information; and transmitting point identifier information.
[0078] Furthermore, the second signal measurement information is It includes time measurement information, angle measurement information, and energy measurement information.
[0079] As a result, the positioning method according to the embodiments of the present application can improve the positioning accuracy for the communication device by having the network side device send location request information to the communication device, and the communication device measure and / or transmit a reference signal based on the location request information, and transmit the obtained first signal to the network side device.
[0080] FIG. 6 shows another flowchart of a positioning method according to an embodiment of the present application, as shown in FIG. 6, the method includes the following steps:
[0081] Step S601: receiving capability request information sent by a network measurement device, which is represented by an LPP Request Capabilities message based on the LTE Positioning Protocol (LPP);
[0082] The capability request information may be transmitted by a Location Management Function (LMF) via an Access and Mobility Management Function (AMF) and a base station / transmission / reception point (gNB / TRP). Here, the LMF and AMF use a Namf_Communication_N1N2MessageTranfer message and a Namf_Communication_N1N2MessageNotify message to realize interaction. The AMF and gNB / TRP use an NGAP Downlink NAS transport message and an NGAP Uplink NAS transport message to realize interaction, and the gNB / TRP and the communication device UE use an RRC DL Information Transfer message and an RRC DL Information Transfer message to realize interaction. The capability request message is: Whether the requesting UE supports simultaneous location and measurement reporting; Whether the requesting UE supports reporting the quality of location information; and Whether the requesting UE supports measuring or reporting one or more of error information, group delay information, and error compensation information; A type or motion state reported to the UE by the requesting UE; It may also include whether the requesting UE supports time-triggered location information reporting.
[0083] Step S602, reporting type information of the first communication device to the network side device, represented by LPP Provide Capabilities; Said step S602 realizes an embodiment of the method of step S301 in FIG. 3, and can obtain the same technical effect, and the repeated parts will not be described further here.
[0084] Step S603: receiving positioning assistance data, the positioning assistance data including positioning assistance data for use by the first communication device, represented by LPP Provide Assistance Data;
[0085] Furthermore, the positioning assistance data used by the first communication device includes a target information unit corresponding to the first communication device or positioning assistance data analyzed by the first communication device, i.e., the target information unit includes positioning assistance data that can only be analyzed by the first communication device.
[0086] For example, see the following code:
[0087] NR-DL-TDOA-ProvideAssistanceData-r17::= SEQUENCE { nr-SelectedDL-PRS-IndexList-r17 NR-SelectedDL-PRS-IndexList-r17 OPTIONAL, --Cond UET The positioning assistance information is configured to be specific to a UET, where the UET is a specific UE, specifically a UE or UE type, such as a reference terminal or a first communication device.
[0088] Step S604: receiving location request information, represented by LPP Request Location Information;
[0089] Step S605, measuring and / or transmitting a reference signal, which is obtained by UE Measurement; Step S606, determining first information based on the reference signal, and reporting the first information, represented by LPP Provide Location Information; The steps S604-S606 implement the embodiment of the method of steps S502-S505 in FIG. 5, and can achieve the same technical effects, and the repeated parts will not be described further here.
[0090] The location request information includes a request for a first information type and a request for a first information content.
[0091] The codes for the first information type request are listed as follows:
[0092] LocationInformationType::=ENUMERATED{ locationEstimateRequired, locationMeasurementsRequired, locationEstimatePreferred, locationMeasurementsPreferred, locationEstimateAndlocationMeasurements Here, locationEstimateAndlocationMeasurements is used to indicate that location and measurement information reports are requested at the same time.
[0093] The codes for the first information content request are listed as follows:
[0094] OPTIONAL, --Need ON nr-panelInforRequest-r17 ENUMERATED { requested} nr-TEGInforRequest-r17 ENUMERATED { requested} nr-DL-PRS-RstdMeasurement&locationInfoRequest-r17 ENUMERATED { requested} nr-locationInfoQualityReques-r17 ENUMERATED { requested} nr-locationStateRequests-r17 ENUMERATED { requested} nr-panelInforConfig-r17 nr-TEGInforConfig-r17 ... } Here, nr-panelInforRequest-r17, nr-TEGInforRequest-r17, nr-DL-PRS-RstdMeasurement&locationInfoRequest-r17, nr-locationInfoQualityReques-r17, nr-locationStateReques-r17, nr-panelInforConfig-r17 and nr-TEGInforConfig-r17 are used to indicate panel information, group delay group information, respectively, and to request reporting of location and measurement information, location information quality, movement state and movement trajectory, panel information or TEG configuration.
[0095] The primary information reported is listed as follows:
[0096] [Table 1]
[0097] As a result, the positioning method according to the embodiment of the present application can improve the positioning accuracy for the communication device by receiving positioning assistance information of the network side device before measuring and / or transmitting a reference signal.
[0098] It should be mentioned that, for the positioning method according to the embodiment of the present application, the execution body can be a positioning device, or can be a control module for executing the positioning method in the positioning device. In the embodiment of the present application, the positioning device according to the embodiment of the present application is taken as an example to execute the positioning method.
[0099] FIG. 7 shows a structural schematic diagram of a positioning device according to an embodiment of the present application. As shown in FIG. 7, the device includes a first measuring module 701 and a first executing module 702 .
[0100] The first measurement module 701 is used for measuring and / or transmitting a reference signal, and the first execution module 702 is used for determining first information based on the reference signal; Here, the positioning device is The true position information of the positioning device is known; and The position trajectory of the positioning device is known; and a first location information quality of the positioning device is higher than a first threshold; and a first position error of the positioning device is less than a second threshold; and The movement of the positioning device is controlled or configured by a network side; The first position of the positioning device is controlled or configured by a network side; and A panel for measuring or transmitting a reference signal of the positioning device is designated by a network side device; The present invention has at least one feature that group delay information for measuring or transmitting the reference information of the positioning device is specified by a network side device.
[0101] Furthermore, the first information is Transmission / reception point or base station information; Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and and the reported position error is less than a second threshold.
[0102] Furthermore, the true location information is obtained based on a Rat-independent positioning technique or an angle-based positioning technique.
[0103] Furthermore, the first position information is Absolute position information; Relative position information; Trajectory information, Route information; Speed information, Acceleration information; and directional information.
[0104] As a result, the positioning method according to an embodiment of the present application can improve the positioning accuracy for a communication device by measuring and / or transmitting a reference signal in a first communication device and determining first information based on the reference signal.
[0105] Based on the above embodiment, the first communication device further comprises: The terminal type, a terminal-type roadside unit or a transmission / reception point; Base station type, The base station type includes at least one of a roadside unit and a transmission / reception point.
[0106] Furthermore, the type information of the first communication device is The first communication device is a reference communication device, and the reference communication device is a communication device designated by a network side device or satisfies a first condition; the first communication device being a non-reference communication device.
[0107] Furthermore, the type information of the first communication device is The position of the first communication device does not change; and the location of the first communication device remains unchanged during a first time interval; the position locus of the first communication device does not change; and the position trajectory of the first communication device remains unchanged during a second time interval; a target positioning method supported by the first communication device; target location request information supported for reception by the first communication device; and target location information supported for reporting by the first communication device.
[0108] Moreover, the first execution module is further used for reporting type information of the first communication device to a network side device.
[0109] Further, the supported target positioning method or the method for obtaining first position information includes: A hybrid positioning method; An angular positioning method; A time positioning method; and RAT-independent positioning method.
[0110] Further, the target position request information supported for reception includes: Event-triggered location request information; request information for simultaneously requesting location information and signal measurement information; a location request having a quality higher than a third threshold; and Error requirement information; Group delay requirement information; Error compensation request information; and panel configuration request information.
[0111] Further, the target location information for which the reporting is supported may include: Panel information and Group delay information; location information and signal measurement information reported simultaneously; the quality of the reported location information is greater than a first threshold; and the reported position error is less than a second threshold; and Error information, Error compensation information; and panel configuration information.
[0112] Therefore, the positioning method according to the embodiment of the present application can improve the positioning accuracy for the communication device by uploading the type information of the first communication device to the network side device.
[0113] Based on the above embodiment, further, the first execution module is further used to receive location request information, and the location request information includes: A request for type information of a first communication device; An event trigger condition; a quality or error threshold for the location information; Error requirement information; Group delay requirement information; Error compensation request information; Panel information for measuring and / or transmitting a reference signal; Group delay group information for measuring and / or transmitting a reference signal; Transmitting and receiving point information designated for performing measurements; and measurement information designated for reporting.
[0114] Furthermore, the first execution module is further used to receive positioning assistance data, the positioning assistance data being: Positioning assistance data for use with the first communications device is included.
[0115] Furthermore, the positioning assistance data used by the first communication device includes a target information unit corresponding to the first communication device or positioning assistance data parsed by the first communication device.
[0116] Furthermore, after determining the first information based on the reference signal, the first execution module further comprises: is used to report the first information, the first information being Transmission / reception point or base station information; Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and and the reported position error is less than a second threshold.
[0117] Furthermore, the error information is Reference signal reception power measurement error information; Reference signal time difference measurement error information; Transmit / receive time difference measurement error information; arrival time measurement error information; Reference signal reception power information; Angle error information; Beam transmission error information; and beam reception error information.
[0118] Furthermore, the group delay information is Group delay identification information; Group delay group identification information; Group delay group value information; Group delay group error information; Differential group delay information; Reference group delay identification information; and group delay value information.
[0119] Furthermore, the group delay information is One or more group delay information of at least one corresponding TRP; One or more group delay difference value information of at least one corresponding TRP; one or more group delay information for at least one corresponding reference signal or group of reference signals; and one or more group delay difference value information of the corresponding at least one reference signal or reference signal group.
[0120] Furthermore, when there are at least three TRPs, the first communication device measures the at least three TRPs using links with the same group delay information, or measures the at least three TRPs using links with specified group delay information.
[0121] Furthermore, before measuring and / or transmitting a reference signal, the first execution module further comprises: obtaining a correlation between the group delay information and a reference signal; Obtaining a correlation between the panel information and a reference signal; and obtaining an association relationship between the beam information and a reference signal.
[0122] Furthermore, before measuring and / or transmitting a reference signal, the first execution module further comprises: a target transmission / reception point; target group delay information; and a target reference signal.
[0123] Furthermore, before measuring the reference signal, the first execution module further comprises: It is used to specify a relationship between the first signal measurement information or receive beam and group delay information.
[0124] Furthermore, before transmitting the reference signal, the first execution module further comprises: The association between the group delay information and the reference signal is received or indicated.
[0125] Furthermore, the error compensation information Error compensation identification information; and error compensation value information; Here, the error compensation value information is determined based on first signal measurement information and location information of the first communication device.
[0126] Furthermore, the first signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement error information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; Reference signal reception power information; Angle measurement information; and transmission / reception point identifier information.
[0127] Furthermore, the second signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; time identifier information; Angle measurement information; and transmitting point identifier information.
[0128] Furthermore, the second signal measurement information is It includes time measurement information, angle measurement information, and energy measurement information.
[0129] As a result, the positioning method according to the embodiments of the present application can improve the positioning accuracy for the communication device by having the network side device send location request information and positioning auxiliary information to the communication device, and the communication device measures and / or sends a reference signal based on the location request information, and sends the obtained first signal to the network side device.
[0130] The positioning device in the embodiment of the present application may be a device, a component in a communication device, an integrated circuit, or a chip. The device may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (PC), a television (TV), a deposit payment machine or a self-service machine, etc., and the embodiment of the present application is not specifically limited.
[0131] The positioning device in the embodiment of the present application may be a device having an operating system, which may be an Android operating system, an ios operating system, or other possible operating systems, and the embodiment of the present application is not specifically limited.
[0132] The positioning device according to the embodiments of the present application can realize each process realized by the method embodiments of Figures 2 to 6 and achieve the same technical effects, and will not be further described here to avoid repetition of description.
[0133] 8 shows another flow chart of a positioning method according to an embodiment of the present application, which may be executed by a network side device, in other words, the method may be executed by software or hardware installed in the network side device. As shown in FIG. 1, the method may include the following steps:
[0134] Step S801: receiving first information reported by a first communication device or a second communication device, the first information being: Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and and the reported position error is less than a second threshold.
[0135] Furthermore, the first communication device The true location information of the communication device is known; and The position trajectory of the communication device is known; and a first location information quality of the communication device is greater than a first threshold; and a first position error of the communication device is less than a second threshold; and The behavior of the communication device is controlled or configured by a network side; the first location of the communication device being controlled or configured by a network side; A panel for measuring or transmitting a reference signal of the communication device is designated by a network side device; and group delay information for measuring or transmitting the reference information of the communication device is specified by a network side device.
[0136] Furthermore, the first position information is Absolute position information; Relative position information; Location information quality information; Trajectory information, Route information; Speed information, Acceleration information; and directional information.
[0137] Therefore, the positioning method according to the embodiment of the present application can improve the positioning accuracy for the communication device by obtaining the first information reported by the communication device in the network side device.
[0138] Based on the above embodiment, the first communication device further comprises: The terminal type, a terminal-type roadside unit or a transmission / reception point; Base station type, The base station type includes at least one of a roadside unit and a transmission / reception point.
[0139] Furthermore, the type information of the first communication device is The communication device is a reference communication device, and the reference communication device is a communication device designated by a network side device or satisfies a first condition; the communication device being a non-reference communication device.
[0140] Furthermore, the type information of the first communication device is The position of the communication device does not change; and the location of the communication device remains unchanged during a first time interval; The position locus of the communication device does not change; and the position trajectory of the communication device remains unchanged during a second time interval; and a target positioning method supported by the communication device; target location request information supported for reception by the communication device; and target location information supported for reporting by the communication device.
[0141] Furthermore, before receiving the first information reported by the first communication device or the second communication device, the method includes: The method further includes receiving type information reported by the first communication device or the second communication device.
[0142] Therefore, the positioning method according to the embodiment of the present application can improve the accuracy of positioning the communication device by the network side device acquiring the type information of the communication device.
[0143] Based on the above embodiment, further, before receiving the first information reported by the first communication device or the second communication device, the method further comprises: transmitting location request information to the first communication device or the second communication device, thereby causing the first communication device to measure and / or transmit reference signals and determine first information based on the reference signals; Here, the location request information is A request for communication device type information; An event trigger condition; a quality or error threshold for the location information; Error requirement information; Group delay requirement information; Error compensation request information; Panel information for measuring and / or transmitting a reference signal; Group delay group information for measuring and / or transmitting a reference signal; Transmitting and receiving point information designated for performing measurements; and measurement information designated for reporting.
[0144] Furthermore, the error information is Reference signal reception power measurement error information; Reference signal time difference measurement error information; Transmit / receive time difference measurement error information; arrival time measurement error information; Reference signal reception power information; Angle error information; Beam transmission error information; and beam reception error information.
[0145] Furthermore, the group delay information is Group delay identification information; Group delay group identification information; Group delay group value information; Group delay group error information; Differential group delay information; Reference group delay identification information; and group delay value information.
[0146] Furthermore, the group delay information is One or more group delay information of at least one corresponding TRP; One or more group delay difference value information of at least one corresponding TRP; one or more group delay information for at least one corresponding reference signal or group of reference signals; and one or more group delay difference value information of the corresponding at least one reference signal or reference signal group.
[0147] Furthermore, before receiving the first information reported by the communication device, the method further comprises: For communication devices A correlation between the group delay information and a reference signal; A correlation between the panel information and a reference signal; The method further includes transmitting at least one of the beam information and an association relationship with a reference signal.
[0148] Furthermore, before receiving the first information reported by the communication device, the method further comprises: To the communication device a target transmission / reception point; target group delay information; and a target reference signal.
[0149] Furthermore, prior to receiving location information reported by the communication device, the method further comprises: The method further includes specifying, to the communication device, first signal measurement information or a relationship between a receive beam and group delay information.
[0150] Furthermore, prior to receiving location information reported by the communication device, the method further comprises: The method further includes transmitting or indicating to the communication device an association between the group delay information and a reference signal.
[0151] Furthermore, the error compensation information Error compensation identification information; and error compensation value information; Here, the error compensation value information is determined based on first signal measurement information and location information of the communication device.
[0152] Furthermore, the first signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement error information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; Reference signal reception power information; Angle measurement information; and transmission / reception point identifier information.
[0153] Furthermore, the second signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; time identifier information; Angle measurement information; and transmitting point identifier information.
[0154] Furthermore, the second signal measurement information is It includes time measurement information, angle measurement information, and energy measurement information.
[0155] As a result, the positioning method according to the embodiments of the present application can improve the positioning accuracy for the communication device by having the network side device send location request information to the communication device, and the communication device measure and / or transmit a reference signal based on the location request information, and transmit the obtained first signal to the network side device.
[0156] Based on the above embodiment, further, before transmitting location request information to the first communication device, the method includes: The method further includes transmitting positioning assistance data to the first communication device, the positioning assistance data including positioning assistance data for use by the first communication device.
[0157] Furthermore, after receiving the first information reported by the first communication device, the method includes: and transmitting second positioning assistance data to the second communication device, the second positioning assistance comprising: TRP or network device or communications device panel information; TRP or network device or communication device group delay information; TRP or network equipment or communication equipment error information; Beam information of TRP or network equipment or communication equipment; Error compensation information of the TRP or the network equipment or the communication equipment; first location information of a first communication device; First signal measurement information of a first communications device; and second signal measurement information of the first communication device.
[0158] Furthermore, the second positioning assistance data used by the communication device includes a target information unit corresponding to the communication device or positioning assistance data parsed by the communication device.
[0159] As a result, the positioning method according to an embodiment of the present application can improve the positioning accuracy for the communication device by having the network side device transmit positioning assistance information to the communication device before the communication device measures and / or transmits a reference signal.
[0160] It should be mentioned that, for the positioning method according to the embodiment of the present application, the execution body can be a positioning device, or can be a control module for executing the positioning method in the positioning device. In the embodiment of the present application, the positioning device according to the embodiment of the present application is taken as an example to execute the positioning method.
[0161] FIG. 9 shows another structural schematic diagram of a positioning device according to an embodiment of the present application, which includes a second transceiver module 901 and a second execution module 902 as shown in FIG.
[0162] The second transceiver module 901 is used for receiving first information reported by a first communication device or a second communication device, and the second execution module 902 is used for performing positioning; The first information is Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and and the reported position error is less than a second threshold.
[0163] Furthermore, the first communication device The true location information of the communication device is known; and The position trajectory of the communication device is known; and a first location information quality of the communication device is greater than a first threshold; and a first position error of the communication device is less than a second threshold; and The behavior of the communication device is controlled or configured by a network side; the first location of the communication device being controlled or configured by a network side; A panel for measuring or transmitting a reference signal of the communication device is designated by a network side device; and group delay information for measuring or transmitting the reference information of the communication device is specified by a network side device.
[0164] Furthermore, the first position information is Absolute position information; Relative position information; Location information quality information; Trajectory information, Route information; Speed information, Acceleration information; and directional information.
[0165] Therefore, the positioning method according to the embodiment of the present application can improve the positioning accuracy for the communication device by obtaining the first information reported by the communication device in the network side device.
[0166] Based on the above embodiment, the first communication device further comprises: The terminal type, a terminal-type roadside unit or a transmission / reception point; Base station type, The base station type includes at least one of a roadside unit and a transmission / reception point.
[0167] Furthermore, the type information of the first communication device is The communication device is a reference communication device, and the reference communication device is a communication device designated by a network side device or satisfies a first condition; the communication device being a non-reference communication device.
[0168] Furthermore, the type information of the first communication device is The position of the communication device does not change; and the location of the communication device remains unchanged during a first time interval; The position locus of the communication device does not change; and the position trajectory of the communication device remains unchanged during a second time interval; and a target positioning method supported by the communication device; target location request information supported for reception by the communication device; and target location information supported for reporting by the communication device.
[0169] Moreover, the second transceiver module is further used for receiving type information reported by the first communication device or the second communication device.
[0170] Therefore, the positioning method according to the embodiment of the present application can improve the accuracy of positioning the communication device by the network side device acquiring the type information of the communication device.
[0171] Based on the above embodiment, further, the second transceiver module is further used for sending location request information to the first communication device or the second communication device, so that the first communication device measures and / or sends a reference signal, and determines first information based on the reference signal; Here, the location request information is A request for communication device type information; An event trigger condition; a quality or error threshold for the location information; Error requirement information; Group delay requirement information; Error compensation request information; Panel information for measuring and / or transmitting a reference signal; Group delay group information for measuring and / or transmitting a reference signal; Transmitting and receiving point information designated for performing measurements; and measurement information designated for reporting.
[0172] Furthermore, the error information is Reference signal reception power measurement error information; Reference signal time difference measurement error information; Transmit / receive time difference measurement error information; arrival time measurement error information; Reference signal reception power information; Angle error information; Beam transmission error information; and beam reception error information.
[0173] Furthermore, the group delay information is Group delay identification information; Group delay group identification information; Group delay group value information; Group delay group error information; Differential group delay information; Reference group delay identification information; and group delay value information.
[0174] Furthermore, the group delay information is One or more group delay information of at least one corresponding TRP; One or more group delay difference value information of at least one corresponding TRP; one or more group delay information for at least one corresponding reference signal or group of reference signals; and one or more group delay difference value information of the corresponding at least one reference signal or reference signal group.
[0175] Furthermore, before receiving the first information reported by the communication device, the second transceiver module further A correlation between the group delay information and a reference signal; A correlation between the panel information and a reference signal; It is used to transmit at least one of the beam information and an association relationship with a reference signal.
[0176] Furthermore, before receiving the first information reported by the communication device, the second transceiver module further a target transmission / reception point; target group delay information; and the target reference signal.
[0177] Furthermore, before receiving location information reported by the communication device, the second transceiver module is further used to specify first signal measurement information or a relationship between a receiving beam and group delay information to the communication device.
[0178] Furthermore, before receiving the location information reported by the communication device, the second transceiver module is further used for transmitting or indicating to the communication device the association relationship between the group delay information and the reference signal.
[0179] Furthermore, the error compensation information Error compensation identification information; and error compensation value information; Here, the error compensation value information is determined based on first signal measurement information and location information of the communication device.
[0180] Furthermore, the first signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement error information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; Reference signal reception power information; Angle measurement information; and transmission / reception point identifier information.
[0181] Furthermore, the second signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; time identifier information; Angle measurement information; and transmitting point identifier information.
[0182] Furthermore, the second signal measurement information is It includes time measurement information, angle measurement information, and energy measurement information.
[0183] As a result, the positioning method according to the embodiments of the present application can improve the positioning accuracy for the communication device by having the network side device send location request information to the communication device, and the communication device measure and / or transmit a reference signal based on the location request information, and transmit the obtained first signal to the network side device.
[0184] Based on the above embodiment, further, before sending location request information to the first communication device, the second transceiver module is further used to send positioning assistance data to the first communication device, and the positioning assistance data includes positioning assistance data used by the communication device.
[0185] Furthermore, after receiving the first information reported by the first communication device, the second transceiver module is further used for transmitting second positioning assistance data to the second communication device, and the second positioning assistance includes: TRP or network device or communications device panel information; TRP or network device or communication device group delay information; TRP or network equipment or communication equipment error information; Beam information of TRP or network equipment or communication equipment; Error compensation information of the TRP or the network equipment or the communication equipment; first location information of a first communication device; First signal measurement information of a first communications device; and second signal measurement information of the first communication device.
[0186] Furthermore, the second positioning assistance data used by the communication device includes a target information unit corresponding to the communication device or positioning assistance data parsed by the communication device.
[0187] As a result, the positioning method according to an embodiment of the present application can improve the positioning accuracy for the communication device by having the network side device transmit positioning assistance information to the communication device before the communication device measures and / or transmits a reference signal.
[0188] The positioning device in the embodiment of the present application may be a device, a component in a terminal, an integrated circuit, or a chip. The device may be a mobile terminal or a non-mobile terminal. Exemplarily, the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (PC), a television (TV), a deposit payment machine or a self-service machine, etc., and the embodiment of the present application is not specifically limited.
[0189] The positioning device in the embodiment of the present application may be a device having an operating system, which may be an Android operating system, an ios operating system, or other possible operating systems, and the embodiment of the present application is not specifically limited.
[0190] The positioning device according to the embodiment of the present application can realize each process realized by the embodiment of the method of FIG. 8 and achieve the same technical effect, and will not be further described here to avoid repetition of description.
[0191] 10 shows another flowchart of a positioning method according to an embodiment of the present application, the method being executed by a second communication device, in other words, the method may be executed by software or hardware installed in the communication device. As shown in FIG. 10, the method may include the following steps:
[0192] Step S1001, receiving first information transmitted by a first communication device; or receiving second positioning assistance information transmitted by the network side device; The first information is Transmission / reception point or base station information; Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and the reported position error being less than a second threshold; The second positioning assistance information is TRP or communications equipment panel information; TRP or communication equipment group delay information; TRP or communication device error information, Beam information of TRP or communication device, Error compensation information for TRP or communication equipment; first location information of a first communication device; First signal measurement information of a first communications device; and second signal measurement information of the first communication device.
[0193] Furthermore, the first communication device The true location information of the communication device is known; and The position trajectory of the communication device is known; and a first location information quality of the communication device is greater than a first threshold; and a first position error of the communication device is less than a second threshold; and The behavior of the communication device is controlled or configured by a network side; the first location of the communication device being controlled or configured by a network side; A panel for measuring or transmitting a reference signal of the communication device is designated by a network side device; and group delay information for measuring or transmitting the reference information of the communication device is specified by a network side device.
[0194] Furthermore, the second communication device determines a position of the second communication device based on the first information and / or the second positioning assistance data. First location information; and the first signal measurement information.
[0195] As a result, the positioning method according to the embodiment of the present application can improve the positioning accuracy for the communication device by receiving the first information transmitted by the first communication device or the second positioning auxiliary information transmitted by the network side device.
[0196] It should be mentioned that, for the positioning method according to the embodiment of the present application, the execution body can be a positioning device, or can be a control module for executing the positioning method in the positioning device. In the embodiment of the present application, the positioning device according to the embodiment of the present application is taken as an example to execute the positioning method.
[0197] FIG. 11 shows another structural schematic diagram of a positioning device according to an embodiment of the present application. As shown in FIG. 11 , the device includes: a third transceiving module 1101 and a third execution module 1102 .
[0198] The third transceiver module 1101 receives first information sent by a first communication device; or The third execution module 1102 is used to receive second positioning assistance information sent by a network side device, and the third execution module 1102 is used to perform positioning; The first information is Transmission / reception point or base station information; Panel information and Group delay information; Error information, Beam information; Error compensation information; First location information; First signal measurement information; second signal measurement information; the quality of the reported location information is greater than a first threshold; and the reported position error being less than a second threshold; The second positioning assistance information is TRP or communications equipment panel information; TRP or communication equipment group delay information; TRP or communication device error information, Beam information of TRP or communication device, Error compensation information of TRP or communication device; first location information of a first communication device; First signal measurement information of a first communications device; and second signal measurement information of the first communication device.
[0199] Furthermore, the first communication device The true location information of the communication device is known; and The position trajectory of the communication device is known; and a first location information quality of the communication device is greater than a first threshold; and a first position error of the communication device is less than a second threshold; and The behavior of the communication device is controlled or configured by a network side; the first location of the communication device being controlled or configured by a network side; A panel for measuring or transmitting a reference signal of the communication device is designated by a network side device; and group delay information for measuring or transmitting the reference information of the communication device is specified by a network side device.
[0200] As a result, the positioning method according to the embodiment of the present application can improve the positioning accuracy for the communication device by receiving the first information transmitted by the first communication device or the second positioning auxiliary information transmitted by the network side device.
[0201] Optionally, as shown in Fig. 12, the embodiment of the present application further provides a communication device 1200, including a processor 1201, a memory 1202, and a program or instruction stored in the memory 1202 and operable on the processor 1201, for example, when the communication device 1200 is a terminal, the program or instruction can be executed by the processor 1201 to realize each process of the embodiment of the positioning method, and achieve the same technical effect. When the communication device 1200 is a network side device, the program or instruction can be executed by the processor 1201 to realize each process of the embodiment of the positioning method, and achieve the same technical effect. In order to avoid repetition, no further description will be given here.
[0202] Optionally, the first communication device may be a terminal, and FIG. 13 is a hardware structural schematic diagram for implementing the first communication device of the embodiment of the present application.
[0203] The communication device 1300 includes components such as, but not limited to, a radio frequency unit 1301, a network module 1302, an audio output unit 1303, an input unit 1304, a sensor 1305, a display unit 1306, a user input unit 1307, an interface unit 1308, a memory 1309, and a processor 1310.
[0204] As can be understood by those skilled in the art, the communication device 1300 may further include a power source (e.g., a battery) for powering each component, and the power source may be logically connected to the processor 1310 by a power management system, so that the power management system can realize functions such as charge / discharge management and power consumption management. The communication device structure shown in Figure 13 does not constitute a limitation on the communication device, and the communication device may include more or less components than the number of components shown, or a combination of some components, or a different arrangement of components, and will not be further described here.
[0205] It should be understood that in the embodiment of the present application, the input unit 1304 may include a graphics processor (Graphics Processing Unit, GPU) 13041 and a microphone 13042, and the graphics processor 13041 processes image data of still or video images obtained by an image capture device (e.g., a camera) in a video capture mode or an image capture mode. The display unit 1306 may include a display panel 13061, and the display panel 13061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 1307 includes a touch panel 13071 and other input devices 13072. The touch panel 13071 is also called a touch screen. The touch panel 13071 may include two parts: a touch detection device and a touch controller. The other input devices 13072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control buttons, switch buttons, etc.), a trackball, a mouse, and an operation lever, which will not be described further herein.
[0206] In the embodiment of the present application, the radio frequency unit 1301 receives downlink data from the network side device, and then causes the processor 1310 to process the data, and transmits uplink data to the network side device. In general, the radio frequency unit 1301 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
[0207] The memory 1309 may be used to store software programs or instructions and various data. The memory 1309 may mainly include a program or instruction storage area and a data storage area, where the program or instruction storage area can store an operating system, an application program or instruction required for at least one function (e.g., a sound playback function, an image playback function, etc.), etc. The memory 1309 may include a high-speed random access memory or a non-volatile memory, where the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. For example, the memory 1309 may be at least one magnetic disk memory device, a flash memory device, or other non-volatile solid-state memory device.
[0208] The processor 1310 may include one or more processing units. Optionally, the processor 1310 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs or instructions, and the modem processor mainly processes wireless communication, such as a baseband processor. As can be understood, the modem processor does not have to be integrated into the processor 1310.
[0209] Here, the processor 1310 is used to measure and / or transmit a reference signal and determine first information based on the reference signal.
[0210] According to the embodiment of the present application, the positioning accuracy for communication devices can be improved.
[0211] Specifically, an embodiment of the present application further provides a network side device. As shown in Fig. 14, the network device 1400 includes an antenna 141, a radio frequency device 142, and a baseband device 143. The antenna 141 and the radio frequency device 142 are connected. In the uplink direction, the radio frequency device 142 receives information through the antenna 141, and transmits the received information to the baseband device 143 for processing. In the downlink direction, the baseband device 143 processes the information to be transmitted and transmits it to the radio frequency device 142, and the radio frequency device 142 processes the received information and then sends it out through the antenna 141.
[0212] The above frequency band processing device may be located in a baseband device 143, and the method performed by the network side equipment in the above embodiments may be implemented in the baseband device 143, which includes a processor 144 and a memory 145.
[0213] The baseband device 143 may include, for example, at least one baseband board, on which multiple chips are installed, and as shown in FIG. 14, one of the chips is, for example, a processor 144, which is connected to a memory 145, and calls the program in the memory 145 to perform the network equipment operations shown in the above method embodiments.
[0214] The baseband unit 143 may further include a network interface 146, which is used to exchange information with the radio frequency unit 142, and which may be, for example, a common public radio interface (abbreviated as CPRI).
[0215] Specifically, the network side equipment of the embodiment of the present application further includes instructions or programs stored in memory 145 and capable of running on processor 144, and processor 144 can call the instructions or programs in memory 145 to execute the method performed by each module shown in FIG. 6 and achieve the same technical effect, which will not be described further here in order to avoid repetition.
[0216] Optionally, the second communication device may be a terminal, and FIG. 15 is a hardware structural schematic diagram for implementing the second communication device of the embodiment of the present application.
[0217] The communication device 1500 includes components such as, but not limited to, a radio frequency unit 1501, a network module 1502, an audio output unit 1503, an input unit 1504, a sensor 1505, a display unit 1506, a user input unit 1507, an interface unit 1508, a memory 1509, and a processor 1510.
[0218] As can be understood by those skilled in the art, the communication device 1500 may further include a power source (e.g., a battery) for powering each component, and the power source may be logically connected to the processor 1510 by a power management system, so that the power management system can realize functions such as charge / discharge management and power consumption management. The communication device structure shown in Figure 15 does not constitute a limitation on the communication device, and the communication device may include more or less components than the number of components shown, or a combination of some components, or a different arrangement of components, and will not be further described here.
[0219] It should be understood that in the embodiment of the present application, the input unit 1504 may include a graphics processor (Graphics Processing Unit, GPU) 15041 and a microphone 15042, and the graphics processor 15041 processes image data of still or video images obtained by an image capture device (e.g., a camera) in a video capture mode or an image capture mode. The display unit 1506 may include a display panel 15061, and the display panel 15061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 1507 includes a touch panel 15071 and other input devices 15072. The touch panel 15071 is also called a touch screen. The touch panel 15071 may include two parts: a touch detection device and a touch controller. The other input devices 15072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control buttons, switch buttons, etc.), a trackball, a mouse, and an operation lever, which will not be described further herein.
[0220] In the embodiment of the present application, the radio frequency unit 1501 receives downlink data from the network side device, and then causes the processor 1510 to process the data, and transmits uplink data to the network side device. In general, the radio frequency unit 1501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
[0221] The memory 1509 may be used to store software programs or instructions and various data. The memory 1509 may mainly include a program or instruction storage area and a data storage area, where the program or instruction storage area can store an operating system, an application program or instruction required for at least one function (e.g., a sound playback function, an image playback function, etc.), etc. The memory 1509 may include a high-speed random access memory or a non-volatile memory, where the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. For example, the memory 1509 may be at least one magnetic disk memory device, a flash memory device, or other non-volatile solid-state memory device.
[0222] The processor 1510 may include one or more processing units. Optionally, the processor 1510 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs or instructions, and the modem processor mainly processes wireless communication, such as a baseband processor. As can be understood, the modem processor does not have to be integrated into the processor 1510.
[0223] Here, the radio frequency unit 1501 receives the first information transmitted by the first communication device or the second positioning assistance information transmitted by the receiving network side device.
[0224] According to the embodiment of the present application, the positioning accuracy for communication devices can be improved.
[0225] The embodiments of the present application further provide a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the process of the above-mentioned positioning method embodiment can be realized and the same technical effect can be achieved. In order to avoid repetition, no further description will be given here.
[0226] Here, the processor is the processor in the communication device described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
[0227] 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, the processor runs a program or instruction of the network side device, and is used to realize each process of the embodiment of the positioning method described above, and can achieve the same technical effect. In order to avoid repetition, no further description will be given here.
[0228] It should be understood that the chips referred to in the embodiments of the present application may be referred to as system level chips, system chips, chip systems, or systems on chips.
[0229] It should be explained that in this specification, the terms "comprise", "include", or any other variants thereof are intended to cover the non-exclusive "comprise", whereby a process, method, article, or apparatus that includes a set of elements includes not only those elements, but also other elements not expressly listed or inherent to such process, method, article, or apparatus. In the absence of further limitations, an element limited by the phrase "comprises a" does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes this element. It should be pointed out that the scope of the method and apparatus in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may include performing functions in an essentially simultaneous manner or in reverse order based on the functions involved, for example, the described method can be performed in a different order than described, and various steps can be added, omitted, or combined. Also, features described with reference to some examples can be combined in other examples.
[0230] From the above description of the embodiments, it is clear to those skilled in the art that the methods of the above embodiments can be realized in the form of software and a necessary general-purpose hardware platform. Of course, they may also be realized in hardware, but in many cases the former is a more preferred embodiment. Based on this understanding, the technical proposal of the present application may be substantially or the part that contributes to the prior art may be embodied in the form of a software product. This computer software product is stored in a storage medium (e.g., ROM / RAM, magnetic disk, optical disk) and includes some instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.
[0231] The above describes the embodiments of the present application in conjunction with the drawings, but the present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not limiting. Those skilled in the art can take the suggestions of this application and make many forms without departing from the spirit and scope of the claims of this application, all of which belong to the protection scope of this application.
Claims
1. 1. A positioning method performed by a first communication device, comprising: Measuring and / or transmitting a reference signal; determining first information based on the reference signal; transmitting the first information to a network side device; Here, the first communication device is the true location information of the first communication device is known; It has the following characteristics: The first information is First location information; First signal measurement information; second signal measurement information; At least one of The first information is of a second communication device. First location information; a first signal measurement; the first communication device is a reference communication device, The first signal measurement information is Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; Reference signal reception power information; Angle measurement information; and transmitting point identifier information, The second signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; time identifier information; Angle measurement information; and transmitting point identifier information; Or, The second signal measurement information is A positioning method including time measurement information, angle measurement information, and energy measurement information.
2. The method of claim 1 , wherein the true location information is obtained based on a Rat-independent positioning technique or an angle-based positioning technique.
3. The first location information is Absolute position information; Relative position information; Trajectory information, Route information; Speed information, Acceleration information; The method of claim 1 , further comprising at least one of:
4. The first communication device is The terminal type, a terminal-type roadside unit or a transmission / reception point; Base station type, The method of claim 1 , including at least one of the following types: a base station type roadside unit or a transmission / reception point.
5. The type information of the first communication device is The position of the first communication device does not change; and the location of the first communication device remains unchanged during a first time interval; the position locus of the first communication device does not change; and the position trajectory of the first communication device remains unchanged during a second time interval; a target positioning method supported by the first communication device; target location request information supported for reception by the first communication device; and target location information supported for reporting by the first communication device.
6. The target location request information supported for reception includes: Event-triggered location request information; request information for simultaneously requesting location information and signal measurement information; a location request having a quality higher than a third threshold; and Error requirement information; Group delay requirement information; Error compensation request information; and panel configuration request information.
7. The target location information for which the reporting is supported is: Panel information and Group delay information; location information and signal measurement information reported simultaneously; the quality of the reported location information is greater than a first threshold; and the reported position error is less than a second threshold; and Error information, Error compensation information; and panel configuration information.
8. Prior to measuring and / or transmitting a reference signal, the method further comprises: Obtaining a correlation between the group delay information and a reference signal; Obtaining an association relationship between panel information and a reference signal; The method of claim 1 , further comprising at least one of: obtaining an association relationship between the beam information and the reference signal.
9. A positioning method performed by a second communication device, comprising: receiving second positioning assistance information transmitted by a network side device; The second positioning assistance information is first location information of a first communication device; First signal measurement information of a first communications device; and second signal measurement information of the first communication device; The first communication device is The true location information of the first communication device is known, the first communication device is a reference communication device, The method further comprises: The second communication device determines the position of the second communication device based on the second positioning assistance information. First location information; and determining at least one of a first signal measurement information and a second signal measurement information; The first signal measurement information is Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; Reference signal reception power information; Angle measurement information; and transmitting point identifier information, The second signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; time identifier information; Angle measurement information; and transmitting point identifier information; Or, The second signal measurement information is A positioning method including time measurement information, angle measurement information, and energy measurement information.
10. A positioning method executed by a network side device, comprising: receiving first information reported by a first communication device; and transmitting second positioning assistance data to the second communication device; The first communication device is The true location information of the first communication device is known, The first information and the second positioning assistance information, first location information of a first communication device; First signal measurement information of a first communications device; and second signal measurement information of the first communication device; The first information and the second positioning assistance information are First location information; a first signal measurement; the first communication device is a reference communication device, The first signal measurement information is Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; Reference signal reception power information; Angle measurement information; and transmitting point identifier information, The second signal measurement information is Reference signal received power measurement information; Reference signal time difference measurement information; Transmit / receive time difference measurement information; Arrival time measurement information; Reference signal identification information; time identifier information; Angle measurement information; and transmitting point identifier information; Or, The second signal measurement information is A positioning method including time measurement information, angle measurement information, and energy measurement information.
11. A communications device comprising a processor, a memory, and a program or instructions stored in the memory and operable to run on the processor, the program or instructions implementing the steps of the positioning method of any one of claims 1 to 8 when executed by the processor.
12. A communications device comprising a processor, a memory, and a program or instructions stored in the memory and operable on the processor, the communications device realizing steps of the positioning method described in claim 9 when the program or instructions are executed by the processor.
13. A communications device comprising a processor, a memory, and a program or instructions stored in the memory and operable on the processor, the communications device realizing the steps of the positioning method described in claim 10 when the program or instructions are executed by the processor.
Citation Information
Patent Citations
Electronic apparatus, electronic system, and battery charger
JP2013200197A
Systems and methods for locating a user equipment using generic position methods for a 5g network
US20190230475A1
Method and apparatus for handling positioning of a target device
WO2019156620A1
Measurements for on-demand positioning reference signal transmission
WO2020193853A1