WO2019127246A1

WO2019127246A1 - Positioning measurement method and device

Info

Publication number: WO2019127246A1
Application number: PCT/CN2017/119502
Authority: WO
Inventors: 张萌; 薛剑韬
Original assignee: 华为技术有限公司
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2019-07-04

Abstract

Provided are a positioning measurement method and device for ensuring the positioning measurement accuracy of a terminal covered by a base station configured with a network-based CRS reduction technology. The method involves: a positioning server sending a first request message to a base station, wherein the base station supports a network-based cell reference signal (CRS) reduction technology, and the first request message is used for requesting that the base station sends a CRS by occupying a system bandwidth in a measurement time domain; and the positioning server sending a notification message to a terminal, wherein the terminal supports positioning measurement by means of detecting the CRS on the system bandwidth, and the notification message is used for notifying the terminal to perform positioning measurement in the measurement time domain.

Description

Positioning measurement method and device

Technical field

The embodiments of the present invention relate to the field of communications technologies, and in particular, to a positioning measurement method and apparatus.

Background technique

In a long term evolution (LTE) communication system, the network-based positioning mode refers to that the location of the computing terminal is performed in the network device, specifically in the Evolved-Serving Mobile Location Center (E- Performed in SMLC). Among them, the observed time difference of arrival (OTDOA) is a typical network-based positioning method. As shown in Figure 1, the OTDOA determines the location of the terminal by detecting the time difference between the signals of three different base stations. The process of the OTDOA generally includes: the terminal measures the downlink signal arrival time of different base stations, and obtains the downlink signal arrival time difference of different base stations. For example, the terminal measures the downlink signal arrival times of the base stations A, B, and C, and the measured times are a, b, and c, respectively, and the downlink signal arrival time differences are ab, ac, and bc, respectively, and the E-SMLC arrives according to each downlink signal. The time difference and the position of each base station calculate the position of the terminal. The 3rd generation partnership project (3GPP) stipulates that the downlink signal measured by the terminal in the OTDOA technology is mainly based on a positioning reference signal (PRS) sent by the base station, and uses a cell-specific reference signal (cell- Specific reference signal (CRS) is supplemented.

CRS can also be used for cell search, handover, time-frequency synchronization, channel estimation, and radio resource management. Recently, network-based CRS mitigation has been adopted and applied. The network-based CRS reduction technology refers to that the base station reduces the bandwidth of the CRS signal to the bandwidth of the center 6 RB on some reduced time domain resources. On some non-reduced time domain resources, the bandwidth of the CRS signal transmitted by the base station maintains the full bandwidth. In this way, the interference of the CRS signal to the neighboring area can be reduced, and the terminal data transmission gain can be realized.

Some versions of the terminal can support network-based CRS reduction technology, and some versions of the terminal cannot support network-based CRS reduction technology. For terminals in different connection states to perform different functions through CRS, full bandwidth CRS may be required to ensure normal operation. For example, for a terminal in a connected state, the activated terminal requires a continuous full bandwidth CRS to ensure the success of the positioning measurement; the non-activated terminal does not require a continuous full bandwidth CRS, so that a reduced CRS can be employed.

If the terminal does not support the network-based CRS reduction technology, or the terminal supporting the network-based CRS reduction technology needs to adopt the full-bandwidth CRS, and the base station is transmitting the reduced CRS, it will affect the normal operation of the terminal. For example, when the positioning is implemented by using the OTDOA technology, the downlink signal measured by the terminal is a PRS-based signal and the CRS is used as an auxiliary signal. When a base station configured with a network-based CRS reduction technique transmits a reduced CRS, the terminal still follows the full bandwidth. The CRS for OTDOA measurements results in measurement results that do not meet the required accuracy or even measurement failure.

Summary of the invention

The embodiment of the present application provides a positioning measurement method and apparatus for ensuring accuracy of positioning measurement by a terminal covered by a base station configured with a network-based CRS reduction technique.

The specific technical solutions provided by the embodiments of the present application are as follows:

A first aspect provides a positioning measurement method, where the method includes the following steps: a positioning server sends a first request message to a base station, where the first request message is used to request the base station to use a system bandwidth to transmit a CRS in a measurement time zone. The positioning server sends a notification message to the terminal, where the notification message is used to notify the terminal to perform positioning measurement in the measurement time area. The transmitting the CRS by occupying the system bandwidth may also be referred to as sending a full bandwidth CRS. The system bandwidth is the carrier bandwidth, and the base station supports a network-based CRS reduction technology. The network-based CRS reduction technology refers to the base station supporting the use of the system bandwidth to transmit CRS in certain time regions, and occupying the reduction in certain time regions. The bandwidth is sent to the CRS, the reduced bandwidth is less than the system bandwidth, and the specific size and location of the reduced bandwidth is determined by the network-based CRS reduction technique. The terminal supports positioning measurement by detecting CRS on the system bandwidth, that is, the terminal receives the CRS on the entire system bandwidth during the positioning measurement. In this way, the positioning server sends a first request message to the base station, and the first request message is used to instruct the base station to send the full bandwidth CRS in the measurement time region, so as to implement control of the CRS transmitted by the base station supporting the network-based CRS reduction technology, and implement the CRS implementation. The effective use of the positioning function prevents the base station from obstructing the positioning function of the terminal when transmitting the CRS in the reduced bandwidth, which helps the terminal to effectively receive the full bandwidth CRS in the accurate measurement time region, so as to achieve the positioning measurement accuracy. Requirements to ensure the success of positioning measurements. Especially for terminals that do not support network-based CRS reduction technology, it helps to achieve normal positioning measurement of terminals.

In a possible design, the notification message is further used to notify the terminal to detect a CRS of the system bandwidth for performing positioning measurement. In this way, for the terminal supporting the network-based CRS reduction technology, the notification message enables the terminal to detect the full-bandwidth CRS on the measurement time region in which the base station transmits the full-bandwidth CRS, thereby ensuring the success of the positioning measurement.

In a possible design, the positioning server further sends a second request message to the terminal, where the second request message is used to request location information obtained by the positioning measurement from the terminal, and the positioning server receives The location information sent by the terminal, and determining a positioning result according to the location information.

In one possible design, the location server is an E-SMLC.

In a possible design, the first request message is Long Term Evolution Positioning Protocol LPPa signaling; the notification message and the second request message are Long Term Evolution Positioning Protocol (LPP) signaling. In this way, under the existing positioning system architecture, by adding or multiplexing the signaling in the existing positioning process, the base station and the terminal can be notified of the purpose of transmitting and receiving the CRS in the measurement time zone in the measurement time zone, and the base station and the terminal are There are no new capability requirements and no increase in the complexity of base stations and terminals.

In a possible design, the specific forms of the foregoing messages may be as follows: the first request message is an LPPa OTDOA information request; and/or the notification message is LPP auxiliary information; and/or, the The second request message is an LPP location information request.

In a possible design, when the positioning measurement is triggered, the positioning server sends the first request message to the base station, and the specific positioning measurement triggering manner may include any one of the following: event-triggered positioning measurement, periodic positioning. The measurement, the positioning measurement triggered by the network initiated positioning request, and the positioning measurement triggered by the terminal initiated positioning request.

In a possible design, the measurement time area is one or more time periods on the time domain resource occupied by the terminal; if the positioning measurement trigger mode is a periodic positioning measurement, the measurement time area includes a periodic sub-time zone, where the sub-time zone is a time period on the time domain resource occupied by the terminal; the first request message and the notification message include: the positioning measurement mode is periodic or non- Periodically; and/or at least two of the following measurement time regions: a start position, a length, a period, an offset, and an end position of the time domain; and/or at least two of the following sub-time regions Item: Start position, length, period, offset, and end position of the time domain.

In a possible design, after the location server sends the notification message to the terminal, the second request message is sent to the terminal, where the second request message is used to request the location information obtained by the positioning measurement from the terminal; The positioning server receives location information sent by the terminal, and determines a positioning result according to the location information.

In a possible design, the first request message, the notification message, and the second request message may all include time-frequency resources occupied by the CRS, for example, may be represented by a CRS occupying a mapping pattern of time-frequency resources.

A second aspect provides a positioning measurement method, the method comprising the steps of: receiving, by a base station, a first request message sent by a positioning server, where the base station is based on the first request message, on a measurement time area specified by the positioning server The system bandwidth is used to send the CRS. The transmitting the CRS by occupying the system bandwidth may also be referred to as sending a full bandwidth CRS. The system bandwidth is the carrier bandwidth. The network-based CRS reduction technology refers to the fact that the base station supports the CRS that occupies the system bandwidth in certain time regions and the CRS that is reduced in some time regions. The reduced bandwidth is smaller than the system bandwidth. The specific size and location of the reduced bandwidth is determined by the network-based CRS reduction technique. The terminal supports positioning measurement by detecting CRS on the system bandwidth, that is, the terminal receives the CRS on the entire system bandwidth during the positioning measurement. The base station supports a network-based cell reference signal CRS reduction technique. In this way, the first request message sent by the positioning server is used to control the time zone in which the base station sends the full-bandwidth CRS, so that the base station that supports the network-based CRS reduction technology can transmit the CRS control, thereby realizing the effective use of the CRS when performing the positioning function, and avoiding When the CRS is used to transmit the CRS in the reduced bandwidth, the base station has an obstacle to the positioning function of the terminal, which helps the terminal to receive the full bandwidth CRS effectively in the accurate measurement time region, so as to meet the requirements of the positioning measurement accuracy and ensure the success of the positioning measurement.

In a possible design, after receiving the first request message sent by the positioning server, the base station sends a notification message to the terminal, where the terminal supports positioning measurement by detecting CRS on the system bandwidth, the notification message And configured to notify the terminal to perform positioning measurement in the measurement time area.

In one possible design, the notification message is radio resource management RRC signaling. In this way, under the existing positioning system architecture, by adding or multiplexing the signaling in the existing positioning process, the base station and the terminal can be notified of the purpose of transmitting and receiving the CRS in the measurement time zone in the measurement time zone, and the base station and the terminal are There are no new capability requirements and no increase in the complexity of base stations and terminals.

In one possible design, the first request message is Long Term Evolution Positioning Protocol LPPa signaling. In this way, under the existing positioning system architecture, by adding or multiplexing the signaling in the existing positioning process, the base station and the terminal can be notified of the purpose of transmitting and receiving the CRS in the measurement time zone in the measurement time zone, and the base station and the terminal are There are no new capability requirements and no increase in the complexity of base stations and terminals.

In a possible design, the measurement time area is one or more time periods on the time domain resource occupied by the terminal; if the positioning measurement mode is periodic, the measurement time area includes a periodic sub time An area, where the sub-time zone is a time period on the time domain resource occupied by the terminal; the first request message includes: the positioning measurement mode is periodic or non-periodic; and/or the measurement At least two of the following: a starting position, a length, a period, an offset, and an ending position of the time domain; and/or at least two of the following sub-time regions: a starting position, a length of the time domain, Cycle, offset, and end position.

In a possible design, the notification message includes: the positioning measurement mode is periodic or aperiodic; and/or at least two of the following measurement time regions: a starting position and a length of the time domain , period, offset, and end position; and/or at least two of the following sub-time regions: start position, length, period, offset, and end position of the time domain.

The third aspect provides a positioning measurement method, where the method includes the following steps: the terminal receives the first notification message sent by the positioning server, or receives the second notification message sent by the base station, the first notification message and the second Each of the notification messages includes a measurement time region in which the terminal performs the positioning measurement, and the terminal detects the CRS on the system bandwidth in the measurement time region based on the first notification message or based on the second notification message to perform positioning measurement. . The base station supports a network-based cell reference signal CRS reduction technology, where the network-based CRS reduction technology refers to the base station supporting the system bandwidth to transmit CRS in certain time regions, and occupying the reduction in certain time regions. Bandwidth sends CRS, the reduced bandwidth is less than the system bandwidth, and the specific size and location of the reduced bandwidth is determined by the network-based CRS reduction technique. In this way, the first notification message sent by the positioning server or the second notification message sent by the base station is used to instruct the terminal to detect the CRS on the system bandwidth in the measurement time zone for positioning measurement. The measurement time zone is consistent with the area where the base station occupies the system bandwidth to send the CRS, so as to avoid the problem that the terminal performs the positioning measurement failure when the base station occupies the reduced bandwidth to send the CRS, and ensures that the positioning function of the terminal is normally implemented, which helps the terminal to accurately measure. The time zone effectively receives the full bandwidth CRS to meet the requirements of positioning measurement accuracy and ensure the success of the positioning measurement.

In a possible design, the first notification message is Long Term Evolution Positioning Protocol (LPP) signaling, and the second notification message is Radio Resource Management (RRC) signaling. In this way, under the existing positioning system architecture, by adding or multiplexing the signaling in the existing positioning process, the base station and the terminal can be notified of the purpose of transmitting and receiving the CRS in the measurement time zone in the measurement time zone, and the base station and the terminal are There are no new capability requirements and no increase in the complexity of base stations and terminals.

In a possible design, the measurement time area is one or more time periods on the time domain resource occupied by the terminal; if the positioning measurement mode is periodic, the measurement time area includes a periodic sub time The area, the sub-time area is a time period on the time-domain resource occupied by the terminal; the first notification message and the second notification message include: the positioning measurement mode is periodic or non-period; and/or And measuring at least two of the following time regions: a start position, a length, a period, an offset, and an end position of the time domain; and/or at least two of the following sub-time regions: a start of the time domain Position, length, period, offset, and end position.

In a possible design, the terminal receives the second request message sent by the positioning server, and sends the location information obtained by the positioning measurement to the positioning server according to the second request message, where the location information is used by the positioning server to determine the positioning result. .

In a fourth aspect, there is provided a position measuring device having a function of realizing a positioning server behavior in any of the possible aspects of the first aspect and the first aspect described above. The functions may be implemented by hardware or by corresponding software implemented by hardware. The hardware or software includes one or more modules corresponding to the functions described above.

In one possible design, the device can be a chip or an integrated circuit.

In one possible design, the apparatus includes a memory and a processor, the memory stores a set of programs, the processor is configured to execute a program stored in the memory, and when the program is executed, the apparatus can perform the first aspect and the first aspect The method described in any of the possible designs.

In one possible design, the apparatus also includes a transceiver for communicating between the apparatus and the base station and the terminal.

In one possible design, the device is a positioning server.

In a fifth aspect, there is provided a position measuring device having a function of implementing base station behavior in any of the possible aspects of the first aspect and the first aspect described above. The functions may be implemented by hardware or by corresponding software implemented by hardware. The hardware or software includes one or more modules corresponding to the functions described above.

In one possible design, the device can be a chip or an integrated circuit.

In one possible design, the apparatus includes a memory and a processor, the memory stores a set of programs, the processor is configured to execute a program stored in the memory, and when the program is executed, the apparatus can perform the second aspect and the second aspect described above Any of the possible methods described in the design.

In one possible design, the apparatus also includes a transceiver for communicating between the apparatus and the positioning server and the terminal.

In one possible design, the device is a base station.

In a sixth aspect, there is provided a position measuring device having a function of implementing terminal behavior in any of the possible aspects of the first aspect and the first aspect described above. The functions may be implemented by hardware or by corresponding software implemented by hardware. The hardware or software includes one or more modules corresponding to the functions described above.

In one possible design, the device can be a chip or an integrated circuit.

In one possible design, the apparatus includes a memory and a processor, the memory stores a set of programs, the processor is configured to execute a program stored in the memory, and when the program is executed, the apparatus can perform the above third aspect and the third aspect Any of the possible methods described in the design.

In one possible design, the apparatus further includes a transceiver for communicating between the apparatus and the positioning server and the base station.

In one possible design, the device is a terminal.

In a seventh aspect, a chip is provided, the chip being connected to a memory or the chip comprising a memory for reading and executing a software program stored in the memory to implement any of the first aspect and the first aspect as described above Possible methods described in the design.

In an eighth aspect, a chip is provided, the chip being connected to a memory or the chip comprising a memory for reading and executing a software program stored in the memory to implement any of the second aspect and the second aspect as described above Possible methods described in the design.

In a ninth aspect, a chip is provided, the chip being connected to a memory or the chip comprising a memory for reading and executing a software program stored in the memory to implement any of the third aspect and the third aspect as described above Possible methods described in the design.

In a tenth aspect, a communication system is provided, the communication system comprising the apparatus of the fourth aspect, the fifth aspect, and the sixth aspect.

In an eleventh aspect, a computer storage medium is provided, stored with a computer program comprising instructions for performing any of the possible in-design methods of the various aspects and aspects described above.

In a twelfth aspect, there is provided a computer program product comprising instructions which, when run on a computer, cause the computer to perform the methods described in any of the above aspects and aspects of any of the possible aspects.

DRAWINGS

1 is a schematic diagram of a measurement method of an OTDOA in the prior art;

2 is a schematic structural diagram of a positioning system in an embodiment of the present application;

3 is a schematic diagram of a network-based CRS reduction technique according to an embodiment of the present application;

4 is a schematic flowchart of a positioning measurement method in an embodiment of the present application;

FIG. 5 is a second schematic flowchart of a positioning measurement method in an embodiment of the present application; FIG.

6 is a schematic structural diagram of a positioning measuring device according to an embodiment of the present application;

7 is a second schematic structural diagram of a positioning measuring device according to an embodiment of the present application;

8 is a third schematic structural diagram of a positioning measuring device according to an embodiment of the present application;

9 is a fourth structural schematic diagram of a positioning measuring device according to an embodiment of the present application;

10 is a schematic structural diagram of a positioning measuring device according to an embodiment of the present application;

FIG. 11 is a sixth structural diagram of a positioning measuring device according to an embodiment of the present application.

Detailed ways

The present application provides a positioning measurement method and apparatus for ensuring accuracy of positioning measurement by a terminal covered by a base station configured with a network-based CRS reduction technique. The method and the device are based on the same inventive concept. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and the repeated description is not repeated.

The positioning measurement method provided by the embodiment of the present application is applicable to at least LTE, long term evolution-advanced (LTE-A), LTE-A Pro, and evolved universal terrestrial radio access network (E- UTRAN) and other communication systems.

For ease of understanding, the following describes a possible positioning system architecture, positioning protocol and interface function, positioning method and principle, and network-based CRS reduction technology applicable to the positioning measurement method of the embodiment of the present application.

1) Positioning system architecture

As shown in FIG. 2, the positioning system architecture includes a terminal 201, a base station 202, and a positioning server 203. among them:

The terminal 201, also called user equipment (UE), mobile station (MS), mobile terminal (MT), etc., is a device that provides voice and/or data connectivity to users. . For example, the terminal includes a handheld device having a wireless connection function, an in-vehicle device, and the like. The terminal 201 may include various handheld devices having wireless communication functions, in-vehicle devices, wearable devices, computing devices, or other processing devices connected to the wireless modem, and various forms of User Equipment (UE), mobile stations ( Mobile Station, MS), etc.

The base station 202 is a device deployed in the radio access network to provide the terminal 201 with a wireless communication function. Base station 202 can include various forms of macro base stations, micro base stations, relay stations, access points, and the like. It can be applied in systems with different radio access technologies, such as in LTE systems, or in more possible communication systems such as 5th Generation (5G) communication systems. Possible deployment forms of the base station 202 include: a centralized unit (CU) and a distributed unit (DU) separation scenario; and a single site scenario. A single site includes a gNB/NR-NB, a transmission reception point (TRP), an evolved Node B (eNB), a radio network controller (RNC), and a Node B (Node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit (BBU) ), or wireless fidelity (Wifi) access point (AP), etc. In the 5G communication system, the single site is gNB/NR-NB. The baseband unit (BBU) function in 5G is reconstructed into two functional entities, CU and DU. The CU device mainly includes a non-real-time wireless high-layer protocol stack function, and also supports partial core network function sinking and edge application service deployment, and the DU device mainly processes the physical layer function and the layer 2 function of the real-time requirement. Specifically, the CU supports protocols such as radio resource control (RRC), packet data convergence protocol (PDCP), and service data adaptation protocol (SDAP). The DU mainly supports radio link control (RLC), media access control (MAC), and physical layer (PHY) protocols. The DU generally adopts a distributed deployment mode. In a normal case, one CU needs to connect more than one DU. The gNB has the functions of CU and DU and is usually deployed as a single site. The division of the above functions is only an example. Which functions are implemented in the CU and which functions are implemented in the DU in the 5G system or the future communication system, and the specific solution has yet to be determined. In addition, the base station 202 may also be another network device having a base station function, and in particular, may also be a terminal serving as a base station function in D2D communication.

The location server 203 may be an E-SMLC. The E-SMLC is a key entity for implementing the positioning function, and is used for converting the location request requested by the client into corresponding measurement parameters, selecting a positioning method, and calculating a final positioning for the returned position estimation. And precision results. It should be noted that, in the embodiment of the present application, when the terminal 201 and the base station 202 exchange information with the positioning server 203, respectively, the terminal 201 and the base station 202 may transmit the information through the core network element, for example, through the core network element mobility management entity (MME). ) to pass.

2), positioning protocol and interface function

In order to support the positioning function, positioning protocols such as an LTE positioning protocol (LPP) and an LTE positioning protocol A (LPPa) are introduced in the communication system. The LPP is a peer-to-peer positioning protocol between the terminal and the positioning server. Through the transmission of the LPP, the terminal and the positioning server can interactively locate the capability information, the auxiliary data, the measurement information related to the positioning, and the location information. The LPPa is a peer-to-peer positioning protocol between the base station and the positioning server, and is used to exchange information related to positioning, such as multi-cell information, measurement information provided by the base station, and the like.

3), positioning method and principle

The embodiment of the present application mainly introduces the positioning method of the OTDOA. In the positioning method of OTDOA, the downlink signal measured by the terminal is assisted by CRS. The positioning process and the principle of the specific OTDOA are as described in the background art, and are not described herein again.

4), network-based CRS reduction technology

The protocol stipulates that in order to meet the requirements of measurement accuracy, the minimum value of the PRS bandwidth should be greater than the bandwidth of 6 resource blocks (RBs) in all cases, and the bandwidth of the CRS is not less than the bandwidth of the PRS. As shown in FIG. 3, the network-based CRS reduction technology reduces the bandwidth of the CRS to the bandwidth of the central 6 RB, and follows certain rules to reduce the interference of the medium and low load cells to the neighboring area to a certain extent. CRS can implement different functions, such as cell search, handover, time-frequency synchronization, channel estimation, radio resource management, and the like. When the CRS implements certain functions, it is required to use a full-bandwidth CRS to ensure that the terminal and the base station work normally. Therefore, the reduced CRS is transmitted in the scalable region of the time domain resource region, and the full bandwidth CRS is transmitted in the non-reducible region of the time domain resource region. The reduced CRS refers to occupying 6 RBs in the center to send CRS. The full bandwidth refers to system bandwidth or carrier bandwidth.

The base station in the embodiment of the present application supports a network-based CRS reduction technique.

In addition, it should be understood that in the description of the present application, “and/or” describes the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that A exists separately, and at the same time There are three cases of A and B, and B alone. The plurality referred to in the present application means two or more. The words "first", "second" and the like are used to distinguish between the purpose of the description and are not to be construed as indicating or implying a relative importance, nor as an indication or implied order.

The flow of the positioning measurement method provided by the embodiment of the present application is described in detail below.

The triggering method of the positioning measurement includes an event-triggered positioning measurement, a periodic positioning measurement, and a request-triggered positioning measurement. The location measurement triggered by the request may be triggered by a request initiated by the terminal, or may be triggered by a request initiated by the network. In the positioning measurement process triggered by different trigger modes, after the triggering of the positioning measurement, the steps performed by the positioning server, the terminal, and the base station are substantially the same, and can be referred to each other, and the repetitions are not described again.

As shown in FIG. 4, the specific process of the positioning measurement method provided by the embodiment of the present application is as follows.

Step 400: Trigger positioning measurement.

Specifically, it may be an event-triggered positioning measurement, a periodic positioning measurement, or a request-triggered positioning measurement.

If the location measurement is triggered by the request, in this step, the network side or the terminal side initiates a positioning request, and the positioning server receives the positioning request.

Specifically, if the network side initiates a positioning request, the network side positioning request direction core network element initiates a positioning request, and requests to acquire the location information of the terminal. The core network element sends a positioning request to the positioning server.

If the terminal side initiates the location request, the terminal initiates a location request to the core network element to request to obtain its own location information. The core network element sends a positioning request to the positioning server.

For example, the above core network element may be an MME.

After the step 401, before the step 401, the positioning server may further send a positioning capability request to the terminal, the terminal receives the positioning capability request sent by the positioning server, and the terminal sends the positioning capability to the positioning server. The positioning capability may be a positioning method that the terminal can support, such as whether to support OTDOA.

Step 401: The positioning server sends a first request message to the base station, and the base station receives the first request message sent by the positioning server.

The first request message is used to request the base station to use the system bandwidth to transmit the CRS in the measurement time zone. In other words, the first request message is used to request the base station to send the full bandwidth CRS in the measurement time zone. The measurement time area is at least one measurement window, and is used to indicate one or more time periods on the time domain resource occupied by the terminal. If the triggering mode of the positioning measurement is a periodic positioning measurement, the measurement time zone may include a periodic sub-time zone or include a periodic measurement window. The first request message may include the positioning measurement mode being periodic or aperiodic; and/or measuring at least two of the following time regions: a starting position, a length, a period, an offset, and an ending position of the time domain; and/or, The notification message includes at least two of the following sub-time regions: a start position, a length, a period, an offset, and an end position of the time domain.

The first request message may be LPPa signaling, and may be newly added LPPa signaling, or may be used to multiplex LPPa signaling in the original OTDOA positioning procedure. For example, the first request message is an LPPa OTDOA information request (ie, LPPa OTDOA information request).

After receiving the first request message, the base station performs a configuration for transmitting the full bandwidth CRS in the measurement time zone.

Step 402: The base station returns a first response message to the positioning server, where the positioning server receives the first response message returned by the base station.

The first response message may be LPPa signaling, and may be newly added LPPa signaling, or may be multiplexed with LPPa signaling in the original OTDOA positioning procedure. For example, the first response message is an LPPa OTDOA information response (ie, LPPa OTDOA information response).

Step 403: The positioning server sends a first notification message to the terminal, where the terminal receives the first notification message sent by the positioning server.

The first notification message is used to notify the terminal to perform positioning measurement in the measurement time zone. Some configuration information of the measurement time zone may be included in the first notification message. For example, measuring at least two of the following time regions: a starting position, a length, a period, an offset, and an ending position of the time domain; a positioning measurement method is a period or a non-period; and at least two of the following sub-time regions: a time domain Start position, length, period, offset, and end position. The measurement time zone may also be referred to as a measurement window.

The first notification message may be LPP signaling, and may be newly added LPP signaling, or may be used to multiplex LPP signaling in the original OTDOA positioning procedure. For example, the first notification message is LPP assistance information.

Step 403b: The base station sends a second notification message to the terminal, where the terminal receives the second notification message sent by the base station.

The second notification message is used to notify the terminal to perform positioning measurement in the measurement time zone. Some configuration information of the measurement time zone may be included in the second notification message. For example, measuring at least two of the following time regions: a starting position, a length, a period, an offset, and an ending position of the time domain; a positioning measurement method is a period or a non-period; and at least two of the following sub-time regions: a time domain Start position, length, period, offset, and end position. The measurement time zone may also be referred to as a measurement window.

The second notification message may be radio resource control (RRC) signaling, and may be newly added RRC signaling, or may be multiplexed with the original RRC signaling.

In order to save the signaling consumption, one of the steps 403a and 403b is used in the embodiment of the present application to achieve the purpose of notifying the terminal of the measurement time zone. Of course, the steps 403a and 403b may also exist at the same time, and do not affect the solution of the embodiment of the present application.

The base station sends the CRS by occupying the system bandwidth in the measurement time area according to the first request message.

Step 404: The positioning server sends LPP auxiliary information to the terminal, and the terminal receives the LPP auxiliary information sent by the positioning server.

The LPP auxiliary information may include at least one of the following:

(1) Information of the reference cell, such as the physical cell ID (PCI) of the reference cell, the E-UTRAN cell global identifier (E-CGI), the frequency, the PRS configuration, and the like. The selected reference cell is not limited to the serving cell.

(2) Neighbor cell information list, such as PCI, E-CGI, frequency, PRS configuration and other information of each neighboring cell. The neighbor cell information list is some neighbor cells that are selected according to the estimation of the terminal location in advance.

(3) ID of the base station to be measured, timing information of the base station and the cell to be measured

Optionally, if step 403a is adopted in the foregoing step 403a and step 403b, the first notification message may be combined and sent in the LPP auxiliary information in step 404.

Step 405: The base station uses the system bandwidth to transmit the CRS in the measurement time area, and the terminal receives the CRS in the measurement time area for positioning measurement.

Step 406: The location server sends a second request message to the terminal, where the terminal receives the second request message sent by the location server.

The second request message is used to request the location information obtained by the positioning measurement from the terminal. The second request message may be LPP signaling, and may be newly added LPP signaling, or may be used to multiplex LPP signaling in the original OTDOA positioning procedure. For example, the second request message is an LPP location information request (ie, LPP location information request).

Step 407: The terminal sends location information to the positioning server, where the positioning server receives the location information sent by the terminal.

The location information may be LPP signaling, and may be newly added LPP signaling, or may be used to multiplex LPP signaling in the original OTDOA positioning procedure.

Step 408: The location server determines the location result according to the location information sent by the terminal, that is, determines the location of the terminal.

After that, the positioning server sends the positioning result to the terminal.

In the above embodiment, the first request message, the first notification message, the second notification message, and the second request message may all include time-frequency resources occupied by the CRS. For example, the time-frequency resources may be occupied by the full-bandwidth CRS and the reduced bandwidth CRS. The mapping pattern is represented.

In summary, the positioning server sends a first request message to the base station, and the first request message is used to instruct the base station to send the full bandwidth CRS in the measurement time region, so as to implement the control for transmitting the CRS by the base station supporting the network-based CRS reduction technology. The effective use of the CRS when performing the positioning function prevents the base station from obstructing the positioning function of the terminal when transmitting the CRS in the reduced bandwidth, which helps the terminal to effectively receive the full bandwidth CRS in the accurate measurement time region to achieve the positioning. The accuracy of the measurement is required to ensure the success of the positioning measurement. Especially for terminals that do not support network-based CRS reduction technology, it helps to achieve normal positioning measurement of terminals.

It can be understood that the method in the embodiment of the present application is based on the CRS for the positioning function. When the CRS is used for other functions that require full bandwidth CRS, a similar notification method may be used to enable the base station to use the system bandwidth to transmit the CRS in the measurement time region. The terminal is configured to receive the full bandwidth CRS in the measurement time zone to ensure that the base station and the terminal work normally. In addition, in the fifth generation (5th generation, 5G) communication system or various communication systems in the future, if the function of a certain type of reference signal is similar to the function of the above CRS, especially similar to the positioning function performed by the CRS, it can be understood The CRS in the positioning measurement method in the embodiment of the present application may be replaced with a signal of another name, and the same method steps are all within the protection scope of the present application. Similarly, the names of the LPP, LPPa, positioning server, and the like described in the positioning measurement method of the embodiment of the present application may be replaced with other names of 5G or equivalent functions in various communication systems in the future, and the obtained methods belong to the present application. protected range.

The positioning measurement method shown in FIG. 4 is further described in detail below by taking a specific application scenario as an example.

As shown in FIG. 5, taking the positioning server as the E-SMLC and the terminal triggering the positioning request as an example, the specific process of the positioning measurement method is as follows.

Step 500: The terminal initiates a positioning request, and the E-SMLC receives the positioning request.

The terminal initiates a positioning request to the MME, requesting to acquire its own location information. The MME initiates a positioning request to the E-SMLC.

Step 501: The E-SMLC sends an LPPa OTDOA information request to the base station, and the base station receives the LPPa OTDOA information request sent by the E-SMLC.

The LPPa OTDOA information request is used to request the base station to transmit the CRS by occupying the system bandwidth in the measurement time zone.

Step 502: The base station returns an LPPa OTDOA information response to the E-SMLC, and the E-SMLC receives the LPPa OTDOA information response returned by the base station.

Step 503a: The E-SMLC sends the LPP auxiliary information to the terminal, to notify the terminal to perform the positioning measurement in the measurement time area. The terminal receives the LPP auxiliary information sent by the E-SMLC.

Step 503b: The base station sends an RRC message to the terminal, to notify the terminal to perform positioning measurement in the measurement time area. The terminal receives an RRC message sent by the base station.

Step 503a and step 503b may be selected to select one of the steps to perform.

Step 504: The E-SMLC sends the LPP auxiliary information, and the terminal receives the LPP auxiliary information sent by the E-SMLC.

The content included in the LPP auxiliary information is as described in the above step 404, and details are not described herein again.

Step 505: The base station uses the system bandwidth to transmit the CRS in the measurement time area, and the terminal receives the CRS in the measurement time area, and is used for positioning measurement.

Step 506: The E-SMLC sends an LPP location information request to the terminal, where the terminal receives the LPP location information request sent by the E-SMLC.

Step 507: The terminal sends LPP location information to the E-SMLC, and the E-SMLC receives the LPP location information sent by the terminal.

Step 508: The E-SMLC determines the location result according to the LPP location information sent by the terminal, that is, determines the location of the terminal.

After that, the E-SMLC sends the positioning result to the terminal.

Based on the same inventive concept of the positioning measurement method shown in FIG. 4, as shown in FIG. 6, the embodiment of the present application further provides a positioning measurement device 600, which can be used to perform the positioning measurement method shown in FIG. The positioning measurement device 600 includes a sending unit 601 and a receiving unit 602.

The sending unit 601 is configured to send a first request message to the base station, where the base station supports a network-based cell reference signal CRS reduction technology, where the first request message is used to request the base station to use the system bandwidth to transmit the CRS in the measurement time region.

The sending unit 601 is further configured to send a notification message to the terminal, where the terminal supports performing positioning measurement by detecting a CRS on a system bandwidth, where the notification message is used to notify the terminal to perform positioning measurement in the measurement time region.

Optionally, the sending unit 601 is further configured to send, by the terminal, a second request message, where the second request message is used to request location information obtained by the positioning measurement from the terminal.

The receiving unit 602 is configured to receive location information sent by the terminal, and determine a positioning result according to the location information.

In addition, the sending unit 601 and the receiving unit 602 in the positioning and measuring device 600 can also implement other operations or functions of the positioning server in the above positioning measurement method, and details are not described herein again.

Based on the same inventive concept of the positioning measurement method shown in FIG. 4 , as shown in FIG. 7 , the embodiment of the present application further provides a positioning measurement device 700 that supports a network-based CRS reduction technology, and the positioning measurement device 700 It can be used to perform the positioning measurement method shown in FIG. The positioning measurement device 700 includes a receiving unit 701 and a sending unit 702. among them:

The receiving unit 701 is configured to receive a first request message sent by the positioning server, where

The sending unit 702 is configured to send a CRS by occupying a system bandwidth on a measurement time area specified by the positioning server based on the first request message.

In addition, the receiving unit 701 and the sending unit 702 in the positioning and measuring device 700 can also implement other operations or functions of the positioning server in the above positioning measurement method, and details are not described herein again.

Based on the same inventive concept of the positioning measurement method shown in FIG. 4, as shown in FIG. 8, the embodiment of the present application further provides a positioning measurement device 800, which can be used to perform the positioning measurement method shown in FIG. The positioning measurement device 800 includes a receiving unit 801 and a processing unit 802. among them:

The receiving unit 801 is configured to receive a first notification message sent by the positioning server, or receive a second notification message sent by the base station, where the base station supports a network-based cell reference signal CRS reduction technology, the first notification message and The second notification message includes a measurement time area in which the terminal performs positioning measurement;

The processing unit 802 is configured to detect, according to the first notification message or based on the second notification message, a CRS on a system bandwidth in the measurement time region to perform positioning measurement.

In addition, the receiving unit 801 and the processing unit 802 in the positioning and measuring device 800 can also implement other operations or functions of the positioning server in the above positioning measurement method, and details are not described herein again.

Based on the same inventive concept of the positioning measurement method shown in FIG. 4, as shown in FIG. 9, the embodiment of the present application further provides a positioning and measuring device 900, which is used to execute the positioning server in the positioning measurement method. The positioning measurement device 900 includes a transceiver 901, a processor 902, and a memory 903. Transceiver 901 is optional. The processor 902 is configured to invoke a set of programs that, when executed, cause the processor 902 to perform the operations performed by the positioning server in the positioning measurement method described above. The memory 903 is used to store programs executed by the processor 902. Both the function module sending unit 601 and the receiving unit 602 in FIG. 6 can be implemented by the transceiver 901.

The processor 902 can be a central processing unit (CPU), a network processor (NP), or a combination of a CPU and an NP.

Processor 902 can also further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof. The PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (GAL), or any combination thereof.

The memory 903 may include a volatile memory such as a random-access memory (RAM); the memory 903 may also include a non-volatile memory such as a flash memory (flash) Memory), hard disk drive (HDD) or solid state drive (SSD); the memory 903 may also include a combination of the above types of memories.

Based on the same inventive concept of the positioning measurement method shown in FIG. 4, as shown in FIG. 10, the embodiment of the present application further provides a positioning measurement device 1000, which is used to perform execution by the base station in the above positioning measurement method. Operation, the positioning measurement device 1000 includes a transceiver 1001, a processor 1002, and a memory 1003. Transceiver 1001 is optional. The processor 1002 is configured to invoke a set of programs that, when executed, cause the processor 1002 to perform operations performed by the base station in the above-described positioning measurement method. The memory 1003 is for storing a program executed by the processor 1002. Both the function module receiving unit 701 and the transmitting unit 702 in FIG. 7 can be implemented by the transceiver 1001.

The processor 1002 may be a central processing unit (CPU), a network processor (NP), or a combination of a CPU and an NP.

The processor 1002 may further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof. The PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (GAL), or any combination thereof.

The memory 1003 may include a volatile memory such as a random-access memory (RAM); the memory 1003 may also include a non-volatile memory such as a flash memory (flash) Memory), hard disk drive (HDD) or solid-state drive (SSD); the memory 1003 may also include a combination of the above types of memories.

Based on the same inventive concept of the positioning measurement method shown in FIG. 4, as shown in FIG. 11, the embodiment of the present application further provides a positioning measurement device 1100, which is used to execute a terminal performed by the positioning measurement method. Operation, the positioning measurement device 1100 includes a transceiver 1101, a processor 1102, and a memory 1103. Transceiver 1101 is optional. The processor 1102 is configured to invoke a set of programs that, when executed, cause the processor 1102 to perform the operations performed by the terminal in the positioning measurement method described above. The memory 1103 is used to store programs executed by the processor 1102. The function module receiving unit 801 in FIG. 8 can be implemented by the transceiver 1101, and the processing unit 802 can be implemented by the processor 1102.

The processor 1102 can be a central processing unit (CPU), a network processor (NP), or a combination of a CPU and an NP.

The processor 1102 can also further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a combination thereof. The PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (GAL), or any combination thereof.

The memory 1103 may include a volatile memory such as a random-access memory (RAM); the memory 1103 may also include a non-volatile memory such as a flash memory (flash) Memory), hard disk drive (HDD) or solid state drive (SSD); the memory 1103 may also include a combination of the above types of memory.

In order to implement the functions of the device described in FIG. 4 or FIG. 7 , the embodiment of the present application further provides a chip, including a processor, for supporting the device to implement the functions involved in the positioning server in the foregoing positioning measurement method. In one possible design, the chip is coupled to a memory or the chip includes a memory for storing program instructions and data necessary for the device.

In order to implement the functions of the apparatus described in FIG. 5 or FIG. 8 , the embodiment of the present application further provides a chip, including a processor, for supporting the apparatus to implement the functions involved in the base station in the foregoing positioning measurement method. In one possible design, the chip is coupled to a memory or the chip includes a memory for storing program instructions and data necessary for the device.

In order to implement the functions of the device described in FIG. 6 or FIG. 9 , the embodiment of the present application further provides a chip, including a processor, for supporting the device to implement the functions involved in the positioning measurement method. In one possible design, the chip is coupled to a memory or the chip includes a memory for storing program instructions and data necessary for the device.

The embodiment of the present application provides a computer storage medium, which stores a computer program, and the computer program includes a method for performing the above positioning measurement.

The embodiment of the present application provides a computer program product comprising instructions that, when run on a computer, cause the computer to perform the above-described positioning measurement method.

Those skilled in the art will appreciate that embodiments of the present application can be provided as a method, system, or computer program product. Thus, the present application can take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment in combination of software and hardware. Moreover, the application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the present application. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

While the preferred embodiment of the present application has been described, it will be apparent that those skilled in the art can make further changes and modifications to the embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and the modifications and

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present application without departing from the spirit and scope of the embodiments of the present application. Thus, it is intended that the present invention cover the modifications and variations of the embodiments of the present invention.

Claims

A positioning measurement method, comprising:

The locating server sends a first request message to the base station, where the base station supports a network-based cell reference signal CRS reduction technology, where the first request message is used to request the base station to use the system bandwidth to transmit CRS in the measurement time region;

The positioning server sends a notification message to the terminal, and the terminal supports performing positioning measurement by detecting a CRS on the system bandwidth, where the notification message is used to notify the terminal to perform positioning measurement in the measurement time area.
The method according to claim 1, wherein the first request message is Long Term Evolution Positioning Protocol LPPa signaling; and the notification message is Long Term Evolution Positioning Protocol (LPP) signaling.
The method according to claim 1 or 2, wherein the first request message is an LPPa observation time difference difference OTDOA information request; or the notification message is LPP auxiliary information.
The method of claim 1, 2 or 3, wherein the positioning server sends the first request message to the base station, including:

The positioning server sends a first request message to the base station based on a positioning measurement triggering manner;

The positioning measurement triggering manner includes: an event-triggered positioning measurement, or a periodic positioning measurement, or a positioning measurement triggered by a network-initiated positioning request, or a positioning measurement triggered by a terminal-initiated positioning request.
The method according to any one of claims 1 to 4, wherein the measurement time zone is one or more time periods on the time domain resource occupied by the terminal; if the positioning server is based on periodic positioning The measurement sends a first request message to the base station, where the measurement time area includes a periodic sub-time area, where the sub-time area is a time period on the time-consuming resource occupied by the terminal;

The first request message and the notification message all include: the positioning measurement mode is periodic or non-periodic; or at least two of the following measurement time regions: a starting position and a length of the time domain, a period, an offset, and an end position; or, at least two of the following sub-time regions: a start position, a length, a period, an offset, and an end position of the time domain.
The method according to any one of claims 1 to 5, wherein after the positioning server sends the notification message to the terminal, the method further includes:

The positioning server sends a second request message to the terminal, where the second request message is used to request location information obtained by the positioning measurement from the terminal;

The positioning server receives location information sent by the terminal, and determines a positioning result according to the location information.
A positioning measurement method, comprising:

Receiving, by the base station, a first request message sent by the positioning server, where the base station supports a network-based cell reference signal CRS reduction technology;

The base station sends a CRS by occupying a system bandwidth on a measurement time area specified by the positioning server based on the first request message.
The method of claim 7 further comprising:

The base station sends a notification message to the terminal, and the terminal supports performing positioning measurement by detecting a CRS on the system bandwidth, where the notification message is used to notify the terminal to perform positioning measurement in the measurement time area.
The method of claim 8, wherein the notification message is radio resource management RRC signaling.
The method according to any one of claims 7 to 9, wherein the first request message is Long Term Evolution Positioning Protocol LPPa signaling.
The method according to any one of claims 7 to 10, wherein the measurement time zone is one or more time periods on the time domain resource occupied by the terminal; if the location measurement mode is periodic, The measurement time area includes a periodic sub-time area, where the sub-time area is a time period on the time-consuming resource occupied by the terminal;

The first request message includes: the positioning measurement mode is periodic or non-periodic; or: at least two of the following measurement time regions: a start position, a length, a period, an offset, and End position; or, at least two of the following sub-time regions: start position, length, period, offset, and end position of the time domain.
A positioning measurement method, comprising:

Receiving, by the terminal, a first notification message sent by the positioning server, or receiving a second notification message sent by the base station, where the base station supports a network-based cell reference signal CRS reduction technology, the first notification message and the second notification The message includes a measurement time area in which the terminal performs positioning measurement;

The terminal detects the CRS on the system bandwidth in the measurement time region based on the first notification message or based on the second notification message to perform positioning measurement.
The method according to claim 12, wherein the first notification message is Long Term Evolution Location Protocol (LPP) signaling; and the second notification message is Radio Resource Management (RRC) signaling.
The method according to claim 12 or 13, wherein the measurement time zone is one or more time periods on the time domain resource occupied by the terminal; if the location measurement mode is periodic, the measurement The time zone includes a periodic sub-time zone, where the sub-time zone is a time period on the time domain resource occupied by the terminal;

The first notification message and the second notification message respectively include: the positioning measurement mode is periodic or non-period; or: at least two of the following measurement time regions: a starting position, a length, a period of the time domain, Offset and end position; or at least two of the following sub-time regions: start position, length, period, offset, and end position of the time domain.
A positioning measurement apparatus, characterized in that the apparatus supports a network-based cell reference signal CRS reduction technique, the apparatus comprising a memory and a processor, the memory storing a set of programs, the processor for calling the memory A stored program, when the program is executed, the processor is configured to perform the following operations:

Sending a first request message to the base station, where the first request message is used to request the base station to use the system bandwidth to transmit the CRS in the measurement time area;

Sending a notification message to the terminal, the terminal supports performing positioning measurement by detecting a CRS on a system bandwidth, and the notification message is used to notify the terminal to perform positioning measurement in the measurement time area.
The apparatus according to claim 15, wherein the first request message is Long Term Evolution Positioning Protocol LPPa signaling; and the notification message is Long Term Evolution Positioning Protocol (LPP) signaling.
The device according to claim 15 or 16, wherein the processor is specifically configured to:

Sending a first request message to the base station according to the positioning measurement triggering manner;

The positioning measurement triggering manner includes: an event-triggered positioning measurement, a periodic positioning measurement, a positioning measurement triggered by a network-initiated positioning request, and a positioning measurement triggered by a terminal-initiated positioning request.
The apparatus according to any one of claims 15 to 17, wherein the measurement time zone is one or more time periods on the time domain resource occupied by the terminal; if the positioning server is based on periodic positioning The measurement sends a first request message to the base station, where the measurement time area includes a periodic sub-time area, where the sub-time area is a time period on the time-consuming resource occupied by the terminal;

The first request message and the notification message all include: the positioning measurement mode is periodic or non-periodic; or at least two of the following measurement time regions: a starting position and a length of the time domain, a period, an offset, and an end position; or, at least two of the following sub-time regions: a start position, a length, a period, an offset, and an end position of the time domain.
The device according to any one of claims 15 to 18, wherein the processor is further configured to:

Sending a second request message to the terminal, where the second request message is used to request location information obtained by the positioning measurement from the terminal;

Receiving location information sent by the terminal, and determining a positioning result according to the location information.
A positioning measuring device, comprising: a memory and a processor, wherein the memory stores a set of programs, the processor is configured to call a program stored by the memory, and when the program is executed, the processor is used to Do the following:

Receiving a first request message sent by the positioning server, the device supporting a network-based cell reference signal CRS reduction technology;

And transmitting, according to the first request message, a CRS by occupying a system bandwidth on a measurement time area specified by the positioning server.
The device of claim 20, wherein the processor is further configured to:

Sending a notification message to the terminal, the terminal supports performing positioning measurement by detecting a CRS on a system bandwidth, and the notification message is used to notify the terminal to perform positioning measurement in the measurement time area.
The apparatus according to claim 21, wherein said notification message is radio resource management RRC signaling.
The apparatus according to any one of claims 20 to 22, wherein the first request message is Long Term Evolution Positioning Attachment Protocol LPPa signaling.
The device according to any one of claims 20 to 23, wherein the measurement time zone is one or more time periods on the time domain resource occupied by the terminal; if the location measurement mode is periodic, The measurement time area includes a periodic sub-time area, where the sub-time area is a time period on the time-consuming resource occupied by the terminal;

The first request message includes: the positioning measurement mode is periodic or non-periodic; or: at least two of the following measurement time regions: a start position, a length, a period, an offset, and End position; or, at least two of the following sub-time regions: start position, length, period, offset, and end position of the time domain.
A positioning measuring device, comprising: a memory and a processor, wherein the memory stores a set of programs, the processor is configured to call a program stored by the memory, and when the program is executed, the processor is used to Do the following:

Receiving a first notification message sent by the positioning server, or receiving a second notification message sent by the base station; wherein the base station supports a network-based cell reference signal CRS reduction technology, the first notification message and the second notification message Included in the measurement time region in which the processor performs positioning measurement;

A positioning measurement is performed by detecting a CRS on a system bandwidth in the measurement time region based on the first notification message or based on the second notification message.
The apparatus according to claim 25, wherein the first notification message is Long Term Evolution Location Protocol (LPP) signaling; and the second notification message is Radio Resource Management (RRC) signaling.
The apparatus according to claim 25 or 26, wherein the measurement time zone is one or more time periods on the time domain resource occupied by the terminal; if the positioning measurement mode is periodic, the measurement The time zone includes a periodic sub-time zone, where the sub-time zone is a time period on the time domain resource occupied by the terminal;

The first notification message and the second notification message respectively include: the positioning measurement mode is periodic or non-period; or: at least two of the following measurement time regions: a starting position, a length, a period of the time domain, Offset and end position; or, at least two of the following sub-time regions: start position, length, period, offset, and end position of the time domain.
A computer readable storage medium, wherein the computer storage medium stores computer readable instructions that, when the computer reads and executes the computer readable instructions, cause the computer to perform any of claims 1-14 The method described in the item.
A computer program product characterized by causing a computer to perform the method of any one of claims 1-14 when the computer reads and executes the computer program product.
A chip, characterized in that the chip is connected to a memory or the chip comprises the memory for reading and executing a software program stored in the memory to implement any one of claims 1-14 The method described.