CN115885525A

CN115885525A - Method and device for positioning

Info

Publication number: CN115885525A
Application number: CN202080103298.2A
Authority: CN
Inventors: 刘梦婷; 常俊仁; 刘江华; 高鑫
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2023-03-31
Also published as: WO2022109806A1; CN115885525A8

Abstract

The application provides a method and a device for positioning, aiming at positioning services in the field of wireless communication, in order to enable a base station to judge whether a terminal device can be positioned by using an unauthorized frequency band, the terminal device enables a network device to indicate the terminal device to position by using L frequency bands according to different conditions by measuring and reporting signal quality on an authorized frequency band and the unauthorized frequency band, wherein the L frequency bands are the unauthorized frequency bands and/or the authorized frequency bands, and L is a positive integer. The terminal equipment uses the L frequency bands for positioning, so that the requirement of the terminal equipment on bandwidth on positioning service is met, the positioning precision is improved, and the positioning time delay is reduced.

Description

Method and device for positioning

Technical Field

The present application relates to the field of wireless communication, and more particularly, to a method and apparatus for positioning.

Background

Positioning exists in the third generation partnership project (3 GPP) as an important characteristic of wireless communication, and with the continuous development of technology, the research in the 3GPP release 17 stage puts higher demands and targets on positioning accuracy and positioning delay: for a common commercial scene, the requirement is that the positioning accuracy is within 1m and the positioning delay is within 100 ms; for industrial internet of things (IIoT) scenes, the positioning accuracy within 0.2m and the positioning delay of 10ms level are required.

The existing positioning technology and bandwidth configuration are difficult to meet requirements, and if the existing positioning technology is adopted, the bandwidth is increased, so that the method is a method for effectively improving the positioning performance and achieving higher positioning accuracy. Currently, the method for increasing the bandwidth mainly utilizes Carrier Aggregation (CA) to increase the available bandwidth. Compared with the available bandwidth of the licensed spectrum (about 100 MHz), the available bandwidth of the unlicensed spectrum is larger (about 300 MHz), and the requirements of positioning accuracy and positioning time delay on the bandwidth can be better met. Meanwhile, the bandwidth on the unlicensed spectrum is free, so that the positioning cost can be reduced, and the commercialization of future positioning services is promoted.

Currently, the use of the unlicensed frequency band mainly aims at data transmission service, and the frequency band used by the positioning service mainly aims at the licensed frequency band. How to use the unlicensed frequency band for positioning still remains a problem to be solved.

Disclosure of Invention

The application provides a method and a device for positioning, which can judge whether an unauthorized frequency band can be utilized for positioning and select different positioning schemes for positioning according to different conditions.

In a first aspect, a method for positioning is provided, the method comprising: receiving first information from a first network device, wherein the first information is used for indicating a terminal device to use L frequency bands for positioning, the L frequency bands are unauthorized frequency bands and/or authorized frequency bands, and L is a positive integer; the L frequency bands are used for positioning.

The technical scheme of the application provides a feasible unauthorized frequency band access scheme for the positioning service based on the unauthorized frequency spectrum, and can indicate the terminal equipment to position on different frequency bands according to different conditions, so that the terminal equipment can obtain larger bandwidth in the positioning service as much as possible, and further the positioning precision can be improved and the positioning delay can be reduced.

With reference to the first aspect, in a first possible implementation manner of the first aspect, the method further includes: measuring the signal quality on the unlicensed frequency band; and sending the signal quality on the unlicensed frequency band to the first network equipment, wherein the signal quality on the unlicensed frequency band is used for determining the first information.

With reference to the first implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the method further includes: and receiving second information from the first network equipment, wherein the second information is used for instructing the terminal equipment to measure the signal quality on the unlicensed frequency band.

With reference to the first aspect, the first possible implementation manner of the first aspect, or any possible implementation manner of the second possible implementation manner of the first aspect, in a third implementation manner of the first aspect, the method further includes: measuring the signal quality on the authorized frequency band; and sending the signal quality on the authorized frequency band to the first network equipment, wherein the signal quality on the authorized frequency band is used for determining the first information or the second information.

In a positioning scene based on an unauthorized frequency spectrum, a terminal device can determine whether the terminal device can use an unauthorized frequency band for positioning by measuring the signal quality on the authorized frequency band and the unauthorized frequency band, and can select different positioning schemes according to different conditions, so that the terminal device can obtain larger bandwidth in positioning service as much as possible, and further, the positioning accuracy can be improved, and the positioning delay can be reduced. Meanwhile, the terminal equipment is prevented from always performing measurement on an unauthorized frequency band, and the power consumption of the terminal equipment is effectively reduced.

In a second aspect, a method for positioning is provided, the method comprising: determining that the terminal equipment uses L frequency bands for positioning, wherein the L frequency bands are unauthorized frequency bands and/or authorized frequency bands, and L is a positive integer; and sending first information to the terminal equipment, wherein the first information is used for indicating the terminal equipment to use the L frequency bands for positioning.

With reference to the second aspect, in a first implementation manner of the second aspect, the method further includes: receiving signal quality on the unlicensed frequency band from the terminal device; determining whether the access condition of the unlicensed frequency band is met according to the signal quality on the unlicensed frequency band; when it is determined that the access condition of the unlicensed frequency band is satisfied, the L frequency bands are the unlicensed frequency band, or the L frequency bands are the unlicensed frequency band and the licensed frequency band; or, when it is determined that the access condition of the unlicensed frequency band is not satisfied, the L frequency bands are the licensed frequency band.

With reference to the first implementation manner of the second aspect, in a second implementation manner of the second aspect, the method further includes: receiving a signal quality on the licensed frequency band from the terminal device; determining whether the terminal device performs measurement on the unlicensed frequency band according to the signal quality on the licensed frequency band; wherein, when it is determined that the terminal device performs measurement on the unlicensed frequency band, the method further includes: sending second information to the terminal device, where the second information is used to instruct the terminal device to measure the signal quality on the unlicensed frequency band; or, when it is determined that the terminal device does not perform measurement on the unlicensed frequency band, determining that the L frequency bands are the licensed frequency band.

With reference to the second implementation manner of the second aspect, in a third implementation manner of the second aspect, the determining, according to the signal quality on the licensed frequency band, whether the terminal device performs measurement on the unlicensed frequency band includes: when the signal quality on the authorized frequency band is greater than or equal to a first threshold value, determining that the terminal equipment performs measurement on the unauthorized frequency band; or, when the signal quality on the licensed frequency band is less than the first threshold, determining that the terminal device does not perform measurement on the unlicensed frequency band.

With reference to the second aspect, any one possible implementation manner of the first possible implementation manner of the second aspect to the third possible implementation manner of the second aspect, in a fourth possible implementation manner of the second aspect, the method further includes: receiving third information sent by at least one second network device, wherein the third information is used for indicating N frequency bands; the L frequency bands comprise the N frequency bands, N is a positive integer, and N is smaller than or equal to L.

In a third aspect, a method for positioning is provided, the method comprising: receiving first information from a first network device, wherein the first information is used for indicating a terminal device to use L frequency bands for positioning, the L frequency bands are unauthorized frequency bands and/or authorized frequency bands, and L is a positive integer; the L frequency bands are used for positioning.

With reference to the third aspect, in a first implementation manner of the third aspect, the method further includes: measuring the signal quality on the unlicensed frequency band; determining whether the access condition of the unlicensed frequency band is met; sending a judgment result to the first network equipment; wherein the first information is determined by the determination result.

With reference to the first implementation manner of the third aspect, in a second implementation manner of the third aspect, the method further includes: measuring the signal quality on the authorized frequency band; determining whether the terminal device performs measurement on the unlicensed frequency band; wherein when it is determined that the terminal device performs measurement on the unlicensed frequency band, measuring signal quality on the unlicensed frequency band; or, when it is determined that the terminal device does not perform measurement on the unlicensed frequency band, sending the determination result to the first network device.

With reference to the second implementation manner of the third aspect, in a third implementation manner of the third aspect, the determining whether the terminal device performs measurement on the unlicensed frequency band includes: when the signal quality on the authorized frequency band is greater than or equal to a first threshold value, determining that the terminal equipment performs measurement on the unauthorized frequency band; or, when the signal quality on the licensed frequency band is less than the first threshold, determining that the terminal device does not perform measurement on the unlicensed frequency band.

With reference to the third aspect, any one possible implementation manner of the first possible implementation manner of the third aspect to the third possible implementation manner of the third aspect, in a fourth implementation manner of the third aspect, the method further includes: receiving configuration information sent by the network device, where the configuration information includes at least one of a first threshold, a second threshold, or a third threshold, and the first threshold is used to determine whether the terminal device performs measurement on the unlicensed frequency band; the second threshold is used for comparing with the signal quality on the unauthorized frequency band and is the minimum value of the occupied state of the unauthorized frequency band judged within a period of time; the third threshold is used for comparing with the channel occupancy rate, wherein the channel occupancy rate is the proportion of the time occupied by the signal quality on the unauthorized frequency band being greater than the second threshold, and is the maximum value of the access condition which is determined to meet the unauthorized frequency band.

In a positioning scene based on an unauthorized frequency spectrum, a terminal device receives configuration information including a relevant threshold value sent by a network device, after measuring signal quality on an authorized frequency band and an unauthorized frequency band, further determines whether the terminal device performs measurement on the unauthorized frequency band or whether access conditions of the unauthorized frequency band are met, and sends a judgment result to the network device, so that the network device can select different positioning schemes for positioning according to different conditions, so that the terminal device can obtain larger bandwidth in positioning service as much as possible, positioning accuracy is possibly improved, and positioning delay is reduced. Meanwhile, the terminal equipment is prevented from always performing measurement on an unauthorized frequency band, and the power consumption of the terminal equipment is effectively reduced.

In a fourth aspect, a method for positioning is provided, the method comprising: determining that the terminal equipment uses L frequency bands for positioning, wherein the L frequency bands are unauthorized frequency bands and/or authorized frequency bands; and sending first information to the terminal equipment, wherein the first information is used for indicating the terminal equipment to use L frequency bands for positioning, and L is a positive integer.

With reference to the fourth aspect, in a first implementation manner of the fourth aspect, the method further includes: and receiving a judgment result sent by the terminal equipment, and determining that the terminal equipment uses L frequency bands for positioning according to the judgment result, wherein L is a positive integer.

With reference to the fourth aspect or the first implementation manner of the fourth aspect, in a second implementation manner of the fourth aspect, the method further includes: and sending configuration information to the terminal device, wherein the configuration information comprises at least one of a first threshold, a second threshold or a third threshold, the first threshold is used for determining whether the terminal device performs measurement on the unlicensed frequency band, and the second threshold and the third threshold are used for determining whether an access condition of the unlicensed frequency band is met.

In a fifth aspect, there is provided an apparatus for positioning having the functionality of implementing the method provided in the first aspect or any possible implementation thereof. The function can be realized by hardware, and can also be realized by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In a sixth aspect, there is provided an apparatus for positioning having the functionality of implementing the method provided in the second aspect or any possible implementation thereof. The function can be realized by hardware, and can also be realized by executing corresponding software by hardware. The hardware or software includes one or more units corresponding to the above functions.

In a seventh aspect, an apparatus for positioning is provided, which has the function of implementing the method in the third aspect or any possible implementation manner thereof. The function can be realized by hardware, and can also be realized by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

In an eighth aspect, there is provided an apparatus for positioning having the functionality of implementing the method of the fourth aspect or any of its possible implementations. The function can be realized by hardware, and can also be realized by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.

The apparatus in the fifth to eighth aspects may be a communication device (e.g., a terminal device or a network device), or may be a chip in the communication device. The device may comprise a processing unit and a transceiving unit, and may further comprise a storage unit. The storage unit is used for storing instructions, and the processing unit executes the instructions stored by the storage unit. When the apparatus is a communication device, the processing unit may be a processor, the transceiving unit may be a transceiver, and the storage unit may be a memory. When the apparatus is a chip in a communication device, the processing unit may be a processor, the transceiver unit may be an input/output interface, a pin, a circuit, or the like, and the storage unit may be a storage unit in the chip or a storage unit located outside the chip in the communication device.

In a ninth aspect, there is provided a chip comprising: a memory for storing a computer program; a processor for executing the computer program stored in the memory to cause the apparatus to perform the method of any one of the first aspects or to perform the method of any one of the second aspects.

In a tenth aspect, there is provided a chip comprising: a memory for storing a computer program; a processor for executing the computer program stored in the memory to cause the apparatus to perform the method of any of the third aspects or to perform the method of any of the fourth aspects.

In an eleventh aspect, there is provided a computer storage medium comprising a computer program which, when run on a computer, causes the computer to perform the method of any one of the first aspects or causes the computer to perform the method of any one of the second aspects.

In a twelfth aspect, there is provided a computer storage medium comprising a computer program which, when run on a computer, causes the computer to perform the method of any of the third aspects or causes the computer to perform the method of any of the fourth aspects.

In a thirteenth aspect, there is provided a computer program product comprising a computer program which, when run on a computer, causes the computer to perform the method of any one of the first aspects or causes the computer to perform the method of any one of the second aspects.

In a fourteenth aspect, there is provided a computer program product comprising a computer program which, when run on a computer, causes the computer to perform the method of any of the third aspects or causes the computer to perform the method of any of the fourth aspects.

A fifteenth aspect provides a communication system comprising the communication apparatus of any of the fifth aspects, and the communication apparatus of any of the sixth aspects.

A sixteenth aspect provides a communication system comprising the communication device according to any one of the seventh aspects, and the communication device according to any one of the eighth aspects.

Drawings

Fig. 1 shows a possible positioning system architecture suitable for use in embodiments of the present application.

Fig. 2 is a schematic diagram of a positioning architecture suitable for use in the embodiments of the present application.

Fig. 3 is a schematic flow chart of a method for positioning provided herein.

Fig. 4 is a diagram illustrating the boundary of the coverage areas of the licensed band and the unlicensed band.

Fig. 5 is a schematic diagram illustrating a network device determining whether an access condition of an unlicensed frequency band is satisfied.

Fig. 6 is an example of a method for positioning provided herein.

Fig. 7 is another example of a method for positioning provided herein.

Fig. 8 is another example of a method for positioning provided herein.

Fig. 9 is another example of a method for positioning provided herein.

Fig. 10 is another example of a method for positioning provided herein.

Fig. 11 is another example of a method for positioning provided herein.

Fig. 12 is a schematic flow chart of another method for positioning provided herein.

Fig. 13 is an example of an apparatus for positioning provided herein.

Fig. 14 is another example of an apparatus for positioning provided herein.

Fig. 15 is another example of an apparatus for positioning provided herein.

Fig. 16 is another example of an apparatus for positioning provided herein.

Detailed Description

The technical solution in the present application will be described below with reference to the accompanying drawings.

The technical scheme of the embodiment of the application can be applied to various communication systems. For example, global system for mobile communication (GSM) system, code Division Multiple Access (CDMA) system, wideband Code Division Multiple Access (WCDMA) system, general Packet Radio Service (GPRS), long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE Time Division Duplex (TDD), universal mobile telecommunications system (universal mobile telecommunications system, UMTS), worldwide Interoperability for Microwave Access (WiMAX) communication system, future fifth generation (5 g) system, new wireless communication system (wireless telecommunication system, new generation-Network (NR) system, future mobile network (PLMN) system, or various other communication systems such as internet of things (PLMN, mobile network) 2, internet of mobile telecommunication (PLMN, mobile network) system, or internet of mobile network (mobile network) system.

The terminal equipment in the application is equipment with a wireless transceiving function. For example, a handheld device with wireless connection capability, or a processing device connected to a wireless modem may be included. The terminal devices may communicate with the core network via a radio access network RAN, exchanging voice and/or data with the RAN. The terminal device may refer to a User Equipment (UE), a wireless terminal device, a mobile terminal device, a device-to-device communication (D2D) terminal device, a V2X terminal device, a machine-to-machine/machine-type communication (M2M/MTC) terminal device, an internet of things (IoT) terminal device, a subscriber unit (subscriber unit), a subscriber station (subscriber state), a mobile station (mobile state), a remote station (remote state), an Access Point (AP), a remote terminal (remote terminal), an access terminal (access terminal), a user terminal (user terminal), a user agent (user agent), or a user equipment (user device), etc., and may further include a mobile phone (cellular phone), a portable computer, etc. Such as Personal Communication Service (PCS) telephones. Furthermore, it may be a limited device, such as a device with low power consumption, or a device with limited storage capability, or a device with limited computing capability, etc. Examples of the information sensing device include a barcode, a Radio Frequency Identification (RFID), a sensor, a Global Positioning System (GPS), a laser scanner, and the like. The terminal device may be fixed or mobile.

In the present application, the means for implementing the function of the terminal device may be the terminal device; it may also be an apparatus, such as a system-on-chip, capable of supporting the terminal device to implement the function, and the apparatus may be installed in the terminal device. In the present application, a chip system may be composed of a chip, and may also include a chip and other discrete devices. In the following embodiments, UE is taken as an example for explanation.

The network device in the embodiment of the present application is a device with a positioning function, and may be a core network device, and may also be an access network device. For example, including but not limited to: a Location Management Function (LMF) of a core network, a next generation base station (gNB) in 5G, an evolved node B (eNB), a baseband unit (BBU), a Transmit and Receive Point (TRP), a Transmit Point (TP), a mobile switching center (msc), and the like. The access network device may also be a wireless controller, a Centralized Unit (CU), and/or a Distributed Unit (DU) in a Cloud Radio Access Network (CRAN) scenario, or the access network device may be a relay station, an access point, a vehicle-mounted device, a wearable device, and a network device in 5G or an access network device in a PLMN network that is evolved in the future, and the like.

The terminal device may communicate with multiple access network devices of different communication systems, for example, the terminal device may communicate with an access network device supporting an LTE system, may communicate with an access network device supporting 5G, and may communicate with an access network device in a dual connectivity architecture supporting LTE and supporting 5G. This is not a limitation of the present application.

The technical solution of the present application is applicable to a positioning system, see fig. 1. Fig. 1 is a possible positioning system architecture suitable for the embodiment of the present application, and the positioning system may include a terminal device 101, a network device 102, and a positioning device 103. The positioning device 103 is configured to perform positioning calculation on the terminal device 101 according to measurement results of other network elements (such as the terminal device 101 or the network device 102), for example, a positioning method based on time difference, including a downlink/uplink time difference of arrival (DL-TDOA/uplink time difference of arrival, DL-TDOA) and a round trip time difference (Multi-round trip time, multi-RTT); angle-based positioning methods, including downlink angle of arrival/uplink angle of departure positioning (DL-AoD/uplink angle of arrival, UL-AoA); a positioning method based on enhanced cell ID (E-CID).

The network device 102 may measure a Positioning Reference Signal (PRS) transmitted by the terminal device 101, and obtain a measurement result required for positioning the terminal device. The terminal device 101 may also measure the PRS transmitted by the network device 102 to obtain the measurements needed to locate the terminal device. Further, the measurement results may be provided to the positioning device 103, and the position of the terminal device is calculated by the positioning device 103 based on the measurement results. In the positioning method based on the terminal device, after the terminal device obtains the measurement result, the position of the terminal device can be calculated according to the measurement result.

In one possible implementation, the communication between the terminal device 101 and the network device 102 is performed via a cellular link (Uu link), and the communication between the network device 102 and the positioning device 103 is performed via an NG-C interface.

Referring to fig. 2, fig. 2 is a schematic diagram of a positioning architecture suitable for use in the embodiments of the present application. As shown in fig. 2, the positioning process is mainly based on the fifth generation core (5 GC), location Management Function (LMF), radio Access Network (RAN), and User Equipment (UE) assisted system architecture. Wherein, the functions of each functional entity are as follows:

LMF: the UE is responsible for supporting different types of location services related to a target UE, including positioning the UE and transmitting assistance data to the UE, and its control plane and user plane are an enhanced-service mobile location center (E-SMLC) and a secure user plane location platform (SLP), respectively. The LMF may exchange information with the RAN, e.g., ng-eNB/gNB, and the UE. For example, the LMF and the ng-eNB/gNB perform information interaction through a new radio positioning protocol (NRPPa) message, for example, obtain a Positioning Reference Signal (PRS), configuration information of a Sounding Reference Signal (SRS), cell timing, cell position information, a measurement result at a base station, and the like. For another example, the LMF and the UE perform UE capability information transfer, assistance information transfer, measurement information transfer, and the like through an LTE Positioning Protocol (LPP) message.

Access and mobility management function (AMF): the location service request associated with the target UE may be received from a location service (LCS) entity of the 5GC, or the AMF itself may initiate some location services on behalf of a particular target UE and forward the location service request to the LMF. After obtaining the location information returned by the UE, the AMF returns the relevant information to the 5GC LCS entity or the target UE.

UE: downlink reference signals from the RAN and other sources may be measured to support positioning.

RAN: measurement information may be provided to the target UE and communicated to the LMF.

For downlink positioning methods, the UE may measure downlink signals from the NG-RAN and other sources, may report the measurements to the LMF to support positioning, or perform position calculations locally at the UE; for the uplink positioning method, the ng-eNB/gNB may measure uplink signals from the UE and report the measurement results to the LMF to support positioning.

The interfaces between the network elements shown in fig. 2 are only by way of example, and in the positioning system shown in fig. 2, the LMF corresponds to the positioning device 103 shown in fig. 1.

An authorized Assisted Access (LAA) technology enables an LTE network to be expanded to an unauthorized spectrum, and an LAA mode is still adopted in the scene of NR-based unauthorized spectrum Access to Unlicensed (NR-U) based on an NR system, so that the stability and reliability of the authorized spectrum can be achieved, and the throughput rate of the system can be improved. Compared with the LAA CA scene, the NR-U also increases the support for double connection, independent deployment and uplink and downlink respective deployment.

The technical solution in the present application will be described below with reference to the accompanying drawings. Only a downlink positioning scheme is described below, and the technical scheme in the present application is also applicable to an uplink positioning scheme and a combined uplink and downlink positioning scheme, where when the technical scheme in the present application is used in the uplink positioning scheme or the combined uplink and downlink positioning scheme, only positioning reference signals sent specifically are different, and this is not limited here.

Fig. 3 is a schematic flow chart of a method for positioning provided herein.

301. The UE measures the signal quality on the licensed band. The UE performs measurement on the licensed frequency band, where the specific content of the measurement may be Reference Signal Received Power (RSRP) and/or Reference Signal Received Quality (RSRQ), and may also be other measurement quantities, which are only exemplified and not limited herein.

302. The UE transmits the signal quality on the licensed frequency band to the first network device. The first network device may be a serving base station or an LMF. The UE reports the measurement result, so as to facilitate the serving base station or the LMF to determine, where the measurement result is the signal quality measured in step 301, that is, the measurement result of RSRP and/or RPRQ, or the measurement result of other measurement quantities, which is only used as an example and is not limited herein.

303. The first network device determines whether the UE performs measurements on an unlicensed frequency band. After receiving the signal quality of the authorized frequency band sent by the UE, the first network device compares the signal quality of the authorized frequency band with a first threshold value, and judges whether the UE further performs measurement on the unauthorized frequency band.

In order to determine whether the UE further performs measurement on the unlicensed frequency band, it can be understood that both the licensed frequency band and the unlicensed frequency band have a coverage area. By adjusting the transmission power of the base station and combining the signal quality measured by the terminal device from the authorized frequency band or the unauthorized frequency band, the first network device can measure the coverage area of the depicted unauthorized frequency band, the transmission power of each beam of the corresponding base station and the measurement quantity threshold of each position on the boundary. Wherein the measurement threshold is the first threshold. When the signal quality measured by the UE is greater than or equal to a first threshold value, judging that the UE enters the coverage range of the unauthorized frequency band and needing to further perform measurement on the unauthorized frequency band; when the signal quality measured by the UE is smaller than the first threshold, it is determined that the UE does not enter the coverage of the unlicensed frequency band, and further measurement on the unlicensed frequency band is not required. The first threshold may be freely set according to different scenarios, and is not limited herein.

Fig. 4 is a diagram illustrating the boundary of the coverage areas of the licensed band and the unlicensed band. It should be understood that the coverage areas of the licensed and unlicensed bands are only understood, and the coverage areas of the licensed and unlicensed bands do not exist in practice. Wherein, the region B _D The coverage range of the unlicensed frequency band for the data transmission service is defined as a boundary #1; region B _P The boundary corresponding to the coverage range of the unlicensed frequency band for positioning services is boundary #2; the area a is a coverage area of the licensed band, and a corresponding boundary thereof is a boundary #3.

It should be appreciated that the coverage radius is larger than that of the unlicensed cell due to the lower frequency band of the licensed cell. For non-donationThe coverage area of the weight band is lower for the positioning service than for the data transmission service, so that the boundary #1 is usually different from the boundary #2, and the area B _P Is generally smaller than the area B _D Is large. In consideration of controllable specific areas, such as indoor factories, companies, parks, and the like, on the premise of ensuring that the boundary of the controllable area does not interfere with the authorized frequency band, the transmission power of the positioning reference signal can be properly increased to enhance the coverage of the positioning reference signal.

When mapping the boundary #3 of the area a, the seat belt gap (gap) of the controlled area, such as an indoor factory, a company, a garden, etc., is considered, and it is ensured that the authorized spectrum used by other terminal devices at the boundary of the controlled area is not affected. The closer to the boundary of the control area, the larger the safety belt interval is; the closer to the central region, the smaller the seat belt spacing.

After the site deployment is completed, devices such as WiFi and bluetooth are placed at the boundary of the control area, and a boundary #2 and a boundary #3 are obtained by measuring the signal quality on the authorized frequency band or the unauthorized frequency band, where the threshold corresponding to each position on the boundary #3 is the first threshold in step 303.

After receiving the signal quality of the authorized frequency band sent by the UE, the first network device compares the signal quality of the authorized frequency band with a first threshold value.

If the signal quality of the licensed band is less than the first threshold, it is determined that the UE is in the area a but not in the area B in fig. 4 _P And the first network equipment determines that the UE uses the authorized frequency band for positioning. Specifically, a licensed-based positioning scheme (licensed-based positioning) is adopted, that is, information such as PRS is configured only in the licensed frequency band and a reference signal is sent, step 308 is directly executed, and the first network device sends first information to the UE, where the first information is used to instruct the UE to use L licensed frequency bands for positioning.

If the signal quality of the licensed band is greater than or equal to the first threshold, it is determined that the UE is in the area B in fig. 4 _P Further, the following steps are performed.

304. The first network equipment sends the second information to the UE. The second information is used to indicate the UE to perform measurement on the unlicensed frequency band, and the specific content of the measurement may be a Received Signal Strength Indicator (RSSI) or other measurement quantities, which is only illustrated here and is not limited.

305. The UE measures the signal quality on the unlicensed band. When the UE receives the second information sent by the first network device and then performs RSSI measurement, the UE measures the strength of all signals in the unlicensed frequency band, including useful signals, interference, noise, and the like, and usually takes the average value of several samples as a measurement value.

306. The UE transmits the signal quality on the unlicensed frequency band to the first network device. The UE reports the measurement result to the first network device for determination, where the first network device may be a serving base station or an LMF, and the measurement result is the measurement value obtained in step 305.

307. The first network device determines whether an access condition of the unlicensed frequency band is satisfied. Exemplarily, after receiving the RSSI sent by the UE, the first network device determines a channel occupancy (channel occupancy) of the current channel according to the RSSI, and further determines whether the access condition of the unlicensed frequency band is satisfied according to the channel occupancy. It should be understood that the first network device may also determine whether the measured access condition of the unlicensed frequency band is satisfied through other measurement data, which is not limited herein. The following specifically describes a process of determining whether the unlicensed frequency band satisfies a condition by taking an example of determining whether the unlicensed frequency band satisfies the condition through a measurement result of the RSSI. When the first network device determines whether the unlicensed frequency band satisfies the condition according to the other measurement data, the determination process may also be applied to the scheme provided by the present application.

Fig. 5 is a schematic diagram illustrating that the first network device determines whether the access condition of the unlicensed frequency band is satisfied based on the RSSI measurement result.

In the LAA deployment scenario, a Listen Before Talk (LBT) technique is mainly used to determine whether a base station uses an unlicensed spectrum. LBT refers to that a wireless transmitting end first listens to a transmission medium and starts data transmission only when it listens that the medium is idle, and the channel detection technology adopted by the wireless transmitting end is also called Clear Channel Assessment (CCA). In the NR-U scenario, similar to the LAA deployment scenario, the LBT technique is also used to determine whether the base station uses the unlicensed spectrum. The measurement scheme in the NR-U uses the measurement scheme of the LAA as a baseline, namely, the terminal performs RSSI measurement, reports the measurement result to the base station, and the base station judges whether to use the unauthorized spectrum according to the channel occupancy rate. Accordingly, 3gpp TS 38.331 defines a measurement window (RMTC) for RSSI measurements, for the duration of which the terminal performs RSSI measurements on the corresponding unlicensed band.

Specifically, the UE performs RSSI measurement on the channel #1 and the channel #2 in the unlicensed frequency band, compares the measurement result of the RSSI with a second threshold related to the signal quality, and records the proportion of the time occupied by the RSSI value that is greater than the second threshold in a period of time, to obtain the channel occupancy rate, that is, the second threshold is the minimum value of the occupied state of the unlicensed frequency band in a period of time. And comparing the occupancy rate with a third threshold value, wherein the third threshold value is the maximum value of the access conditions which are determined to meet the unlicensed frequency band. If the channel occupancy rate is less than or equal to the third threshold, it indicates that the corresponding unlicensed frequency band is relatively idle, and other devices may access the unlicensed frequency band and use resources of the unlicensed frequency band, as in the case of channel #1, that is, the access condition of the unlicensed frequency band is satisfied; if the channel occupancy is greater than the third threshold, it indicates that the corresponding unlicensed frequency band is busy, and other devices cannot use the resources of the unlicensed frequency band, as in the case of channel #2, that is, the access condition of the unlicensed frequency band is not satisfied. The second threshold and the third threshold may be freely set according to different scenarios, which is not limited herein.

In step 307, if the access condition of the unlicensed frequency band is satisfied, the first network device uses the unlicensed frequency band for positioning. Specifically, a positioning scheme based on unlicensed-only positioning may be adopted, or a positioning scheme based on a combination of a licensed frequency band and an unlicensed frequency band (licensed and unlicensed positioning) may be adopted. When the bandwidth of the usable unauthorized frequency band is enough to ensure the positioning precision and time delay requirements of the UE, preferably configuring information such as PRS and the like only in the unauthorized frequency band and transmitting a reference signal; when the bandwidth of the available unlicensed frequency band is not enough to guarantee the accuracy and the time delay requirement of the UE positioning, the available bandwidth for positioning needs to be increased in a carrier aggregation manner, that is, PRS and other information are configured in the licensed frequency band and the unlicensed frequency band after carrier aggregation, and a reference signal is sent.

And if the access condition of the unauthorized frequency band is not met, the first network equipment uses the authorized frequency band for positioning. It should be understood that the determination of whether the access condition of the unlicensed frequency band is satisfied according to the RSSI measurement value is merely an example, and it may also be determined whether the access condition of the unlicensed frequency band is satisfied by other measurement quantities or other manners.

308. The first network equipment sends first information to the UE. The first information includes the positioning scheme determined in step 307 or step 303, and is used to instruct the UE to use L frequency bands for positioning, where the L frequency bands may be all authorized frequency bands, or all unlicensed frequency bands, or both authorized frequency bands and unlicensed frequency bands.

According to the method and the device, aiming at a positioning scene based on the unauthorized frequency spectrum, a two-step measurement mode is adopted, namely, the terminal equipment firstly measures the signal quality on the authorized frequency band and then measures the unauthorized frequency band, and the network equipment judges whether to use the unauthorized frequency band for positioning according to the results of the two measurements, so that the terminal equipment can obtain larger bandwidth in the positioning service as much as possible, and further the positioning precision can be improved and the positioning time delay can be reduced. Meanwhile, the terminal equipment is prevented from always performing measurement on an unauthorized frequency band, and the power consumption of the terminal equipment is effectively reduced.

The method for positioning shown in fig. 3 is only a preferred embodiment and the steps shown can be combined with each other to form a new solution. Optionally, the first network device may determine, in other manners, for example, receiving indication information sent by other devices, L frequency bands required for the terminal device to perform positioning, send the frequency bands to the terminal device as the first information, and the terminal device performs positioning using the frequency bands. That is, the method for indicating the terminal device to use the L frequency bands for positioning can be completed without two measurements of the terminal device and two determinations of the first network device.

Optionally, the terminal device may only measure the signal quality on the unlicensed frequency band, directly report the measurement result to the first network device, and the first network device determines whether LBT is successful according to the measurement result, and further determines whether the unlicensed frequency band is used for positioning, that is, determines L frequency bands required for positioning by the terminal device, sends the L frequency bands to the terminal device as the first information, and then the terminal device uses the L frequency bands for positioning. That is, the method for indicating the terminal device to use the L frequency bands for positioning can be completed without the need for the terminal device to measure and report the signal quality on the authorized frequency band and receive the second information for indicating the measurement of the signal quality on the unauthorized frequency band.

Alternatively, the terminal device may receive only the second information for instructing the terminal device to measure the signal quality on the unlicensed frequency band before measuring the signal quality on the unlicensed frequency band. The second information is sent by the first network device, and the first network device may determine that it is necessary to instruct the terminal device to perform measurement on the unlicensed frequency band according to a plurality of ways, for example, receive information for performing measurement on the unlicensed frequency band fed back by the terminal device. That is, the method for indicating the terminal device to use the L frequency bands for positioning can be completed without the steps of the terminal device measuring the signal quality on the authorized frequency band and the first network device determining whether the terminal device performs the measurement on the unauthorized frequency band.

In the embodiment of the present application, the first network device determining the positioning scheme may be a serving base station or an LMF, and the serving base station and the LMF are taken as examples below, respectively, and a single-station positioning scenario and a multi-station positioning scenario are considered, so as to exemplify an overall flow of a method for positioning by using an unlicensed frequency band.

Fig. 6 is an example of a method for positioning provided in the present application, and a first network device determining a positioning scheme is considered as a serving base station in a single-station positioning scenario. The single-station positioning means that the UE can receive the positioning reference signal on the corresponding time-frequency resource only by receiving the frequency spectrum usage of the serving base station or the LMF and the corresponding positioning reference signal configuration information. The method mainly comprises the following steps:

before 601, initiating a location service, where the location service may be initiated by the AMF on behalf of a specific target UE; or 5GC LCS entity, such as Gateway Mobile Location Center (GMLC), sends a Location service request associated with the target UE to the AMF to initiate a Location service; or the UE initiates a location request. After initiating the location service, the AMF forwards the location service request to the LMF.

601. And reporting the UE capability. The method comprises the following concrete steps:

601a, LMF sends request ability information to UE, the request ability information is used for requesting UE to report self positioning ability.

601b, the UE sends a capability providing message to the LMF, wherein the capability providing message comprises information used for indicating the positioning capability of the UE.

The request capability message and the provision capability message may be LTE Positioning Protocol (LPP) messages between the UE and the LMF. The LPP message is only for example and is not limited. It should be understood that the messages that can carry the mutual information between the UE and the LMF may all be applied in the technical solution of the present application, and are not specifically limited herein.

Illustratively, the request capability message may be LPP request capabilities, and the provide capability message may be LPP provider capabilities. Step 601a is an optional step, that is, under the condition that the LMF does not send the request capability message to the UE, the UE actively provides the capability message to the LMF, and actively reports the location capability of the UE to the LMF. It should be understood that the LMF acquires the positioning capability of the UE, thereby selecting a positioning method suitable for the positioning capability of the UE.

Steps 602 to 608 are the same as steps 301 to 307 shown in fig. 3, where the first network device for determining whether the UE performs measurement on the unlicensed frequency band and determining whether the access condition of the unlicensed frequency band is satisfied is specifically a serving base station, and the interaction information between the UE and the serving base station may be carried in a Radio Resource Control (RRC) message. The RRC message is only for example and is not limited. It should be understood that the message that can carry the information exchanged between the UE and the serving base station may be applied to the technical solution of the present application, and is not limited specifically herein.

609. The serving base station provides information such as PRS configuration to the LMF. The method comprises the following concrete steps:

609a, the LMF sends a request assistance information message to the serving base station, the request assistance information message being used for requesting positioning assistance data from the serving base station.

609b, the serving base station sends a provide assistance information message to the LMF, the provide assistance information message containing positioning assistance data and further comprising information such as PRS configuration. The information such as PRS configuration includes a specific positioning scheme, for example, the L frequency bands used are at least one of licensed frequency bands and/or unlicensed frequency bands.

Wherein the request assistance information message and the provide assistance information message may be NRPPa messages between the serving base station and the LMF. The NRPPa message is only an example and is not limited. It should be understood that the message capable of carrying the interaction information between the serving base station and the LMF may be applied to the technical solution of the present application, and is not specifically limited herein.

Illustratively, the Request auxiliary Information message may specifically be an NRPPa Information Request, and the provision capability message may specifically be an NRPPa Information Response. That is, after the serving base station determines the positioning solution, the positioning solution is provided to the LMF as positioning assistance data.

610. The LMF provides PRS configuration and other information to the UE. The method comprises the following concrete steps:

610a, the UE sends a request assistance data message to the LMF, the request assistance data message for requesting positioning assistance data from the LMF.

610b, the LMF replies to the UE with a provide assistance data message, which includes the positioning assistance data and also includes information such as PRS configuration. The information such as PRS configuration includes a specific positioning scheme, for example, the L frequency bands used are at least one of licensed frequency bands and/or unlicensed frequency bands.

Wherein the request assistance data message and the provide assistance data message may be LPP messages. Illustratively, the request assistance data message may be LPP request assistance data, and the provide assistance data message may be LPP provider assistance data. That is, the LMF, after receiving the positioning scheme provided by the serving base station, provides information such as PRS configuration related to the positioning scheme as positioning assistance data to the UE.

Step 610a is an optional step, that is, the LMF may actively provide the assistance data message to the UE, i.e., send information such as PRS configuration related to the positioning scheme to the UE, in case that the UE does not send the message requesting the assistance data to the LMF.

Optionally, the step 610b of sending information such as PRS configuration to the UE may also be completed by the serving base station, that is, 610c, the serving base station sends an assistance data message to the UE in a broadcast manner. Specifically, after determining a specific positioning scheme, the serving base station may provide information such as PRS configuration related to the positioning scheme as positioning assistance data to the UE through an RRC message.

611. And the UE carries out downlink PRS measurement. Specifically, the UE performs positioning related measurement according to the received information such as PRS configuration, and obtains a measurement result.

612. The UE provides the measurement results to the LMF. The concrete implementation steps are as follows:

612a, LMF sends a request location information message to UE, where the request location information message is used to request the measurement result of UE.

612b, the UE sends a provide location information message to the LMF, the provide location information message including the measurement result of the UE.

Wherein the request location information message and the provide location information message may be LPP messages. For example, the location information request message may be an LPP request location information, and the location information providing message may be an LPP service location information. That is, after the UE completes the measurement related to the positioning, the UE sends the measurement result to the LMF.

Step 612a is an optional step, that is, the UE may actively provide the location information message, i.e., send the measurement result related to the positioning to the LMF, under the condition that the LMF does not send the request location information message to the UE.

In a single-station positioning scene, the terminal device measures the signal quality on the authorized frequency band and the unauthorized frequency band, so that the serving base station can determine whether the terminal device can use the unauthorized frequency band for positioning, and can select different positioning schemes according to different conditions, so that the terminal device can obtain a larger bandwidth in the positioning service as much as possible, thereby possibly improving the positioning accuracy and reducing the positioning delay. Meanwhile, the terminal equipment is prevented from always performing measurement on an unauthorized frequency band, and the power consumption of the terminal equipment is effectively reduced.

In the positioning process, the LMF may also be used as an information management center to centrally schedule and manage data related to positioning, as shown in fig. 7.

Fig. 7 is another example of the method for positioning provided in the present application, which considers that in a single-station positioning scenario, the first network device determining the positioning scheme is an LMF. The method mainly comprises the following steps:

step 701 is the same as step 601 shown in fig. 6, and steps 702 to 703 and steps 705 to 709 are the same as steps 301 to 307 shown in fig. 3. The first network device, which is configured to determine whether the UE performs measurement on the unlicensed frequency band and determine whether an access condition of the unlicensed frequency band is satisfied, is specifically an LMF.

Before step 705, the LMF needs to perform step 704, i.e. needs to obtain its first threshold from the serving base station, before performing step 705 further.

704. The LMF receives threshold information sent by the serving base station. The method comprises the following concrete steps:

704a, the LMF sends a request assistance information message to the serving base station, the request assistance information message for requesting positioning assistance data from the serving base station.

704b, the serving base station sends an provide assistance information message to the LMF, where the provide assistance information message includes the positioning assistance data and further includes threshold information of the serving base station where the UE is located. The threshold information at least includes a first threshold of the serving base station, and may further include a second threshold and a third threshold required for determining whether the access condition of the unlicensed frequency band is satisfied. It should be understood that the NRPPa message used for information interaction between the serving base station and the LMF may be invoked whenever needed, and therefore, the relevant threshold information may be sent to the LMF in its entirety in step 704, or may be sent to the LMF at any time before step 705, and then sent to the LMF at any time before step 709, or may be sent to the LMF at any time before step 709.

Wherein the request assistance information message and the provide assistance information message may be NRPPa messages between the serving base station and the LMF. Illustratively, the Request assistance Information message may be NRPPa Information Request, and the capability providing message may be NRPPa Information Response. That is, after obtaining the threshold information from the serving base station, the LMF compares the signal quality on the licensed band obtained from the UE with the first threshold therein to determine whether the UE performs measurement on the unlicensed band; and comparing the signal quality on the unlicensed frequency band obtained from the UE with a second threshold value to obtain the channel occupancy rate, and then comparing the channel occupancy rate with a preset third threshold value to determine whether the access condition of the unlicensed frequency band is met.

Steps 710 to 712 are the same as steps 610 to 612 shown in fig. 6, wherein, before step 701c, a set of NRPPa assistance data messages may be invoked, the PRS configuration and the like information is sent from the LMF to the serving base station, which in turn sends the PRS configuration and the like information to the UE through a broadcast assistance data message.

In a single-station positioning scene, the terminal device measures the signal quality on the authorized frequency band and the unauthorized frequency band, so that the LMF can determine whether the terminal device can use the unauthorized frequency band for positioning, and can select different positioning schemes according to different conditions, so that the terminal device can obtain larger bandwidth in the positioning service as much as possible, thereby possibly improving the positioning accuracy and reducing the positioning delay. Meanwhile, the situation that the terminal equipment always performs measurement on an unauthorized frequency band is avoided, and the power consumption of the terminal equipment is effectively reduced; the LMF is used for scheduling and managing data in a unified mode, and the efficiency of positioning data transmission can be improved.

The method for positioning proposed by the present application can also be applied to the scenario of multi-station positioning, as shown in fig. 8 and 9. In multi-station positioning, a first network device may determine a frequency band used by a UE by receiving an available frequency band transmitted by at least one second network device. The second network device may be a neighbor cell reference station or an LMF.

Fig. 8 is another example of the method for positioning provided in the present application, where in a multi-station positioning scenario, a first network device determining a positioning scheme is a serving base station, and a second network device sending an available frequency band of a neighboring cell is a reference station of the neighboring cell. Compared with single-station positioning, the service base station in multi-station positioning needs to consider the use condition of the unauthorized frequency band of the reference station in the adjacent area, and send corresponding information such as PRS configuration and the like according to different conditions, so that the positioning service can be completed. The method mainly comprises the following steps:

steps 801 to 807 are the same as steps 601 to 607 shown in fig. 6, and are not repeated.

808. And the adjacent cell reference station indicates the available frequency band to the service base station through the third information. Before step 808, each neighboring cell reference station performs information interaction with its corresponding UE, so that each neighboring cell reference station confirms the usage of its unlicensed frequency band. Since each neighboring cell reference station and its corresponding UE may also be equivalent to the serving base station and the UE in the specific embodiment shown in fig. 6 of the present application, the specific implementation steps of each neighboring cell reference station for confirming the usage of the unlicensed frequency band are the same as steps 601 to 608 shown in fig. 6, and are not repeated here.

After confirming the usage of the unlicensed frequency band, the neighboring reference station performs step 808. Specifically, the neighboring cell reference station determines whether the respective unauthorized frequency band is idle, sends the idle unauthorized frequency band to the service base station or the LMF, and the service base station receives N total unauthorized frequency bands sent by at least one neighboring cell reference station or receives N total unauthorized frequency bands sent by the LMF and sent by at least one neighboring cell reference station.

The method comprises the following specific implementation steps:

808a and the neighboring reference station indicates the available frequency bands to the LMF through the third information.

808b, the LMF receives third information sent by at least one neighboring cell reference station, and sends the received N unlicensed frequency bands to the serving base station.

Optionally, step 808a and step 808b may also be implemented by step 808c, that is, step 808c and the neighboring reference station send the respective available frequency bands to the serving base station. Specifically, the neighboring cell reference station directly forwards the use condition of each unlicensed frequency band to the serving base station through the Xn interface, and the serving base station receives N unlicensed frequency bands sent by at least one neighboring cell reference station.

809. The serving base station determines whether an access condition of the unlicensed frequency band is satisfied. And if the condition of the unauthorized frequency band is met, the service base station uses the unauthorized frequency band for positioning. Specifically, the serving base station comprehensively considers the usage conditions of the unlicensed frequency bands of the serving base station and the neighboring reference station, and may adopt a positioning scheme based on the unlicensed frequency bands or a positioning scheme based on a combination of the licensed frequency bands and the unlicensed frequency bands. When the bandwidth of the usable unlicensed frequency band is enough to ensure the accuracy requirement of the UE positioning, configuring the PRS only in the unlicensed frequency band and sending a reference signal is preferably adopted; when the bandwidth of the available unlicensed frequency band is not enough to guarantee the accuracy requirement of UE positioning, the available positioning bandwidth needs to be increased in a CA manner, that is, PRS is configured in the licensed frequency band and the unlicensed frequency band after CA, and a reference signal is sent.

It should be understood that, in step 809 and the previous steps, the serving base station and the neighboring reference station may perform measurement and determination on the respective authorized frequency band and unlicensed frequency band signals at the same time, so there is no strict execution sequence between step 809 and the previous steps shown in fig. 8, that is, at any time before step 810, the serving base station obtains the usage of the unlicensed frequency band of the neighboring reference station, determines the usage of the unlicensed frequency band of its own serving base station, and determines L unlicensed frequency bands that satisfy the access condition.

Steps 810 to 813 are the same as steps 609 to 612 shown in fig. 6, and are not described again.

In a positioning scenario of multi-station positioning, a service base station receives the use condition of an unauthorized frequency band of a reference station in a neighboring cell, so that a terminal device is likely to use the unauthorized frequency band of the neighboring cell, and further a larger bandwidth is obtained in a positioning service with a higher possibility, and further the positioning accuracy is likely to be improved, and the positioning delay is likely to be reduced.

Fig. 9 is another example of the method for positioning provided in the present application, where in a multi-station positioning scenario, a first network device determining a positioning scheme is a serving base station, and a second network device sending an available frequency band of a neighboring cell is an LMF. When the second network device is an LMF, the neighboring UE sends the signal quality of the authorized frequency band and the unauthorized frequency band to the LMF, and meanwhile, the neighboring reference station sends related threshold information to the LMF, so that the LMF can judge whether the access condition of the unauthorized frequency band of the neighboring is met, and then sends N available frequency bands of the neighboring to the service base station, and the service base station further determines L authorized and/or unauthorized frequency bands used by the UE, wherein N and L are positive integers, and N is less than or equal to L. The method mainly comprises the following steps:

steps 901 to 907 are the same as steps 601 to 607 shown in fig. 6, and are not described again.

908. And the service base station receives third information sent by the LMF, wherein the third information comprises available frequency bands. Before step 908, the step of the LMF determining whether the access condition of the neighboring unlicensed frequency band is satisfied is the same as steps 701 to 709 shown in fig. 7. In step 908, the LMF determines N frequency bands that are available for use and transmits third information to the serving base station to indicate the N frequency bands.

909. The serving base station determines whether an access condition of the unlicensed frequency band is satisfied. Specifically, after receiving the third information, the serving base station determines L frequency bands usable by the UE in combination with N frequency bands indicated in the third information, where N and L are positive integers, and N is less than or equal to L.

Steps 910 to 913 are the same as steps 609 to 612 shown in fig. 6, and are not described again.

In a positioning scene of multi-station positioning, a service base station receives the use condition of the unauthorized frequency band of the adjacent cell through an LMF (local mean frequency) so that terminal equipment is possible to use the unauthorized frequency band of the adjacent cell, and further, a larger bandwidth is obtained in a positioning service with higher possibility, and further, the positioning precision is possible to be improved, and the positioning time delay is possible to be reduced.

Fig. 10 is another example of the method for positioning provided in the present application, where in a multi-station positioning scenario, a first network device determining a positioning scheme is an LMF, and a second network device sending an available frequency band of a neighboring cell is a reference station of the neighboring cell. In the specific embodiment shown in fig. 10, the neighboring cell UE sends the signal quality of the authorized frequency band and the unauthorized frequency band to the neighboring cell reference station, so that the neighboring cell reference station can determine whether the access condition of the unauthorized frequency band is satisfied, and then sends the available N frequency bands to the LMF, which further determines L authorized and/or unauthorized frequency bands used by the UE, where N and L are positive integers, and N is less than or equal to L. The method mainly comprises the following steps:

steps 1001 to 1008 are the same as steps 701 to 708 shown in fig. 7, and are not described again.

1009. And the LMF receives third information of at least one neighbor reference station, wherein the third information comprises available frequency bands. Before step 908, the step of the neighbor cell reference station determining whether the access condition of the neighbor cell unlicensed frequency band is satisfied is the same as the steps 601 to 608 shown in fig. 6. And the LMF receives N frequency bands indicated by the third information sent by at least one adjacent cell reference station, wherein N is a positive integer.

1010. The LMF determines whether an access condition of the unlicensed frequency band is satisfied. Specifically, the LMF determines an available frequency band according to the signal quality on the unlicensed frequency band measured by the UE, and determines that the UE uses L frequency bands for positioning in combination with N frequency bands indicated in the third information, where N and L are positive integers, and N is less than or equal to L.

Steps 1011 to 1013 are the same as steps 710 to 712 shown in fig. 7, and are not described again.

In a positioning scene of multi-station positioning, an adjacent cell reference station reports an available unauthorized frequency band to an LMF, and a terminal device receives the available unauthorized frequency band of the adjacent cell through the LMF, so that the terminal device is possible to use the unauthorized frequency band of the adjacent cell, and further a larger bandwidth is obtained in a positioning service with a higher possibility, and further the positioning precision is possible to be improved, and the positioning delay is reduced.

Fig. 11 is another example of the method for positioning provided by the present application, in which a first network device of a positioning scheme is determined to be an LMF and a second network device that sends an available frequency band of a neighboring cell is also determined to be an LMF in consideration of a multi-station positioning scenario, and at this time, the first network device and the second network device are the same LMF, and after determining the available frequency band, the LMF does not need to send third information, and directly sends the frequency band that is determined to be used by the UE to the UE. Compared with the single-station positioning shown in fig. 7, the threshold information of the neighboring reference station needs to be sent to the LMF in the multi-station positioning.

Steps 1101 to 1103 are the same as steps 701 to 703 shown in fig. 7, and are not described again.

1104. And at least one neighbor cell reference station sends threshold information. The method comprises the following concrete steps:

1104a, the LMF sends a request assistance information message to the neighboring reference station, where the request assistance information message is used to request positioning assistance data from the neighboring reference station.

1104b, the neighboring cell reference station sends an auxiliary information providing message to the LMF, where the auxiliary information providing message includes positioning auxiliary data and also includes threshold information of the neighboring cell reference station. The threshold information at least includes a first threshold of the neighboring reference station, and may further include a second threshold and a third threshold required for determining whether an access condition of an unlicensed frequency band is satisfied. It should be understood that the NRPPa message used for information interaction between the neighboring reference station and the LMF may be invoked whenever needed, and therefore, the relevant threshold information may be sent to the LMF in the whole step 1104a, or the first threshold may be sent to the LMF at any time before the step 1106, and then the second threshold and the third threshold may be sent to the LMF at any time before the step 1110.

Wherein the request assistance information message and the provide assistance information message may be NRPPa messages between the serving base station and the LMF. Illustratively, the Request assistance Information message may be NRPPa Information Request, and the capability providing message may be NRPPa Information Response.

Optionally, 1104c, the neighbor reference station sends the threshold information to the serving base station. It should be understood that after the serving base station receives the threshold information of the neighboring reference station through the Xn interface, it needs to further perform step 1105, lmf, to receive the threshold information of the neighboring reference station.

1105. The serving base station sends threshold information to the LMF. The method comprises the following concrete steps:

1105a, the LMF sends a request assistance information message to the serving base station, the request assistance information message being used to request positioning assistance data from the serving base station.

1105b, the serving base station sends an provide assistance information message to the LMF, the provide assistance information message including the positioning assistance data and at least the threshold information of the serving base station where the UE is located. The threshold information at least includes a first threshold of the serving base station, and may further include a second threshold and a third threshold required for determining whether the access condition of the unlicensed frequency band is satisfied, or may further include threshold information of the neighboring reference station in step 1104 c. It should be understood that the NRPPa message used for information exchange between the serving base station and the LMF may be called whenever necessary, and thus, the relevant threshold information may be sent to the LMF entirely in step 1105, may be sent to the LMF at any time before step 906, and may be sent to the LMF at any time before step 1110, and then sent to the LMF as the second threshold and the third threshold.

It should be understood that when step 1104 specifically performs step 1104a and step 1104b, the threshold information in step 1105b includes the threshold information of the serving base station; when step 1104 specifically executes step 1104c, the threshold information in step 1105b includes threshold information of the serving base station and the neighbor reference station.

Steps 1106 to 1113 are the same as steps 705 to 712 shown in fig. 7, and are not described again.

In a positioning scene of multi-station positioning, the LMF uniformly schedules positioning data, so that terminal equipment may use an unauthorized frequency band of an adjacent cell, and further obtain a larger bandwidth in a positioning service with a higher possibility, and further, may improve positioning accuracy and reduce positioning delay.

1201. The first network device sends configuration information to the UE. The configuration information includes a first threshold value required by the first network device to determine whether the UE performs measurement on the unlicensed frequency band, and a second threshold value and a third threshold value required to determine whether an access condition of the unlicensed frequency band is satisfied.

1202. The UE measures the signal quality on the authorized frequency band and determines whether the UE performs measurement on the unauthorized frequency band. Since the UE has received the first threshold, it can determine itself whether to perform the measurement on the unlicensed frequency band.

If the determination result is that the UE does not perform the measurement in the unlicensed frequency band, step 1204 is directly performed, where the determination result is sent to the first network device, and the first network device sends the determination result to the first network device according to the determination result

1203. And the UE measures the signal quality on the unauthorized frequency band and determines whether the access condition of the unauthorized frequency band is met. Since the UE has received the second threshold and the third threshold, it can determine whether the access condition of the unlicensed frequency band is satisfied.

1204. And the UE sends the judgment result to the first network equipment.

1205. And the first network equipment determines a positioning scheme according to the judgment result. And if the judgment result is that the access condition of the unauthorized frequency band is met, the first network equipment uses the unauthorized frequency band for positioning. Specifically, a positioning scheme based on an unlicensed frequency band may be adopted, or a positioning scheme based on a combination of a licensed frequency band and an unlicensed frequency band may also be adopted.

And if the judgment result is that the unauthorized frequency band does not meet the access condition, the first network equipment uses the authorized frequency band for positioning.

1206. The first network equipment sends first information to the UE. The first information is used for indicating the UE to use the L frequency bands for positioning according to a positioning scheme.

It should be understood that the method for positioning shown in fig. 12 is a preferred embodiment and may be combined with the steps shown in fig. 3 into a new solution. For example, only the first threshold may be transmitted in step 1201, and the transmission of the second threshold and the third threshold may be completed before step 1203; it is also possible to transmit only the first threshold, according to which the UE only determines whether to perform the measurement on the unlicensed frequency band, and after measuring the signal quality on the unlicensed frequency band, determines the positioning scheme in the method shown in steps 305 to 308 in fig. 3; it is also possible to complete the transmission of the second threshold and the third threshold only before step 1203, determine whether the access condition of the unlicensed frequency band is satisfied according to the threshold information by the UE, and further determine the positioning scheme, and determine whether the UE performs the measurement on the unlicensed frequency band by using the methods shown in step 301 to step 304 in fig. 3 before measuring the signal quality on the unlicensed frequency band.

The present application also provides a device for positioning, see fig. 13.

Fig. 13 is a schematic block diagram of a communication apparatus provided in the present application, and a communication apparatus 1300 includes a transceiving unit 1301 and a processing unit 1302.

A transceiving unit 1301, configured to receive first information from a first network device, where the first information is used to instruct a terminal device to use L frequency bands for positioning, where the L frequency bands are unlicensed frequency bands and/or licensed frequency bands, and L is a positive integer;

a processing unit 1302, configured to perform positioning using the L frequency bands.

Alternatively, the transceiver unit may be divided into a receiving unit and a transmitting unit, which perform operations related to receiving and transmitting, respectively, and are not limited herein.

In an embodiment, the transceiver unit 1301 is further specifically configured to send, to the first network device, the signal quality in the unlicensed frequency band, where the signal quality in the unlicensed frequency band is used to determine the first information; the processing unit 1302 is further specifically configured to measure the signal quality in the unlicensed frequency band.

In another embodiment, the transceiver unit 1301 is further specifically configured to receive second information from the first network device, where the second information is used to instruct the terminal device to measure the signal quality on the unlicensed frequency band.

In another embodiment, the processing unit 1302 is further specifically configured to measure the signal quality on the licensed frequency band; the transceiving unit 1301 is further specifically configured to send, to the first network device, the signal quality in the authorized frequency band, where the signal quality in the authorized frequency band is used to determine the first information or the second information.

In another embodiment, the transceiver unit 1301 is configured to receive first information from a first network device, where the first information is used to instruct a terminal device to perform positioning using L frequency bands, where the L frequency bands are unlicensed frequency bands and/or licensed frequency bands, and L is a positive integer; the processing unit 1302 is configured to perform positioning using the L frequency bands.

In another embodiment, the processing unit 1302 is further specifically configured to measure the signal quality on the unlicensed frequency band, and determine whether an access condition of the unlicensed frequency band is met; the transceiving unit 1301 is further specifically configured to send the determination result to the first network device; wherein the first information is determined by the determination result.

In another embodiment, the processing unit 1302 is further specifically configured to measure the signal quality on the licensed frequency band, and determine whether the terminal device performs measurement on the unlicensed frequency band; wherein when it is determined that the terminal device performs measurement on the unlicensed frequency band, measuring signal quality on the unlicensed frequency band; or, when determining that the terminal device does not perform measurement on the unlicensed frequency band, the transceiver unit 1301 is further specifically configured to send the determination result to the first network device.

In another embodiment, the processing unit 1302 determines whether the terminal device performs the measurement on the unlicensed frequency band, including: when the signal quality on the licensed frequency band is greater than or equal to the first threshold, the processing unit 1302 is further configured to determine that the terminal device performs measurement on the unlicensed frequency band; alternatively, when the signal quality on the licensed frequency band is smaller than the first threshold, the processing unit 1302 is further configured to determine that the terminal device does not perform the measurement on the unlicensed frequency band.

In another embodiment, the transceiver unit 1301 is further specifically configured to receive configuration information sent by the first network device, where the configuration information includes at least one of a first threshold, a second threshold, or a third threshold, and the configuration information is used to determine whether the terminal device performs measurement on the unlicensed frequency band or determine whether an access condition of the unlicensed frequency band is satisfied.

Fig. 14 is another example of the apparatus for positioning provided in the present application, and the communication apparatus 1400 includes a processing unit 1401 and a transceiver unit 1402.

A processing unit 1401, configured to determine that a terminal device uses L frequency bands for positioning, where the L frequency bands are unlicensed frequency bands and/or licensed frequency bands, and L is a positive integer;

a transceiver unit 1402, configured to send first information to the terminal device, where the first information is used to instruct the terminal device to use L frequency bands for positioning.

In one embodiment, the transceiver unit 1402 is further specifically configured to receive the signal quality on the unlicensed frequency band from the terminal device; the processing unit 1401 is further specifically configured to determine, according to the signal quality on the unlicensed frequency band, whether an access condition of the unlicensed frequency band is satisfied; when it is determined that the access condition of the unlicensed frequency band is satisfied, the L frequency bands are the unlicensed frequency band, or the L frequency bands are the unlicensed frequency band and the licensed frequency band; or, when it is determined that the access condition of the unlicensed frequency band is not satisfied, the L frequency bands are the licensed frequency bands.

In another embodiment, the transceiver unit 1402 is further specifically configured to receive the signal quality on the licensed frequency band from the terminal device; the processing unit 1401 is further specifically configured to determine, according to the signal quality in the authorized frequency band, whether the terminal device performs measurement in the unlicensed frequency band; when it is determined that the terminal device performs measurement on the unlicensed frequency band, the transceiver unit 1402 is further specifically configured to send second information to the terminal device, where the second information is used to instruct the terminal device to measure the signal quality on the unlicensed frequency band; alternatively, when determining that the terminal device does not perform measurement on the unlicensed frequency band, the processing unit 1401 is further configured to determine that the L frequency bands are the licensed frequency bands.

In another embodiment, the processing unit 1401 is configured to determine whether the terminal device performs measurement on the unlicensed frequency band according to the signal quality on the licensed frequency band, and includes: when the signal quality on the licensed frequency band is greater than or equal to the first threshold, the processing unit 1401 is further configured to determine that the terminal device performs measurement on the unlicensed frequency band; alternatively, when the signal quality on the licensed frequency band is smaller than the first threshold, the processing unit 1401 is further specifically configured to determine that the terminal device does not perform the measurement on the unlicensed frequency band.

In another embodiment, the transceiver unit 1402 is further specifically configured to receive third information from at least one second network device, where the third information is used to indicate N frequency bands; the K frequency bands comprise the N frequency bands, N is a positive integer, and N is smaller than or equal to K.

In another embodiment, the processing unit 1401 is configured to determine that the terminal device uses L frequency bands for positioning, where the L frequency bands are an unlicensed frequency band and/or a licensed frequency band; the transceiver unit 1402 is configured to send first information to the terminal device, where the first information is used to instruct the terminal device to use L frequency bands for positioning, where L is a positive integer.

In another embodiment, the transceiver unit 1402 is further specifically configured to receive a determination result sent by the terminal device, and determine that the terminal device uses L frequency bands for positioning according to the determination result, where L is a positive integer.

In another embodiment, the transceiver unit 1402 is further specifically configured to send configuration information to the terminal device, where the configuration information includes at least one of a first threshold, a second threshold, or a third threshold, and the configuration information is used to determine whether the terminal device performs measurement on the unlicensed frequency band or determine whether an access condition of the unlicensed frequency band is satisfied.

Fig. 15 is another example of an apparatus for positioning provided herein, the apparatus 1500 comprising: one or more communication interfaces 1501, one or more processors 1502, and one or more memories 1503. The processor 1502 is configured to control the communication interface 1501 to send and receive signals, the memory 1503 is configured to store a computer program, and the processor 1502 is configured to call and run the computer program from the memory 1503, so that the processes and/or operations performed by the positioning apparatus in the method embodiments of the present application are executed.

For example, the communication interface 1501 may have the function of the transceiving unit 1301 illustrated in fig. 13, and the processor 1502 may have the function of the processing unit 1302 illustrated in fig. 13. In particular, the processor 1502 may be used to perform the processes or operations of fig. 1-12 that are performed internally by the positioning device, and the communication interface 1501 is used to perform the acts of transmitting and/or receiving performed by the positioning device of fig. 1-12.

In one implementation, the apparatus 1500 may be a positioning device in a method embodiment. In such an implementation, the communication interface 1501 may be a transceiver. The transceiver may include a receiver and a transmitter.

Alternatively, the processor 1502 may be a baseband device and the communication interface 1501 may be a radio frequency device.

In another implementation, the apparatus 1500 may be a chip installed in an access network device. In such an implementation, the communication interface 1501 may be an interface circuit or an input/output interface.

Fig. 16 is another example of an apparatus for positioning provided herein. The apparatus 1600 includes: one or more processors 1601, one or more memories 1602, and one or more communication interfaces 1603. The processor 1601 is used for controlling the communication interface 1603 to send and receive signals, the memory 1602 is used for storing a computer program, and the processor 1601 is used for calling and running the computer program from the memory 1602, so that the processes and/or operations executed by the terminal device in the method embodiments of the present application are executed.

For example, the processor 1601 may have the functions of the processing unit 1401 shown in fig. 14, and the communication interface 1603 may have the functions of the transceiving unit 1402 shown in fig. 14. Specifically, the processor 1601 may be configured to execute the processes or operations executed by the terminal device in fig. 1 to fig. 12, and the communication interface 1603 is configured to execute the actions of sending and/or receiving executed by the terminal device in fig. 1 to fig. 12, which are not described in detail.

Optionally, the memory and the storage in the foregoing apparatus embodiments may be physically separate units, or the memory and the processor may be integrated together, which is not limited herein.

In addition, the present application also provides a computer-readable storage medium, in which computer instructions are stored, and when the computer instructions are executed on a computer, the operations and/or processes executed by the terminal device in the method embodiments of the present application are executed.

The present application further provides a computer-readable storage medium, which stores computer instructions that, when executed on a computer, cause operations and/or processes performed by a first network device in the method embodiments of the present application to be performed.

The present application also provides a computer program product comprising computer program code or instructions to cause the operations and/or processes performed by the terminal device in the method embodiments of the present application to be performed when the computer program code or instructions are run on a computer.

The present application also provides a computer program product, which includes computer program code or instructions to cause the operations and/or processes performed by the first network device in the method embodiments of the present application to be performed when the computer program code or instructions are run on a computer.

In addition, the present application also provides a chip, where the chip includes a processor, and a memory for storing a computer program is provided separately from the chip, and the processor is configured to execute the computer program stored in the memory, so that a network device in which the chip is installed performs the operations and/or processes performed by the terminal device in any one of the method embodiments.

Further, the chip may also include a communication interface. The communication interface may be an input/output interface, an interface circuit, or the like. Further, the chip may further include the memory.

The present application also provides a chip including a processor, a memory for storing a computer program being provided independently of the chip, and a processor for executing the computer program stored in the memory, so that a terminal device in which the chip is installed performs the operations and/or processes performed by the first network device in any one of the method embodiments.

Furthermore, the present application also provides a communication apparatus (which may be a chip, for example) comprising a logic circuit and a communication interface, the communication interface being configured to receive a signal and transmit the signal to the logic circuit, and the logic circuit processing the signal, so that the operations and/or processes performed by the terminal device in any of the method embodiments are performed.

The present application also provides a communication apparatus (which may be a chip, for example) comprising logic circuitry and a communication interface for receiving signals and transmitting the signals to the logic circuitry, the logic circuitry processing the signals such that the operations and/or processing performed by the first network device in any of the method embodiments are performed.

Furthermore, the present application also provides a communication apparatus, comprising at least one processor coupled with at least one memory, the at least one processor being configured to execute computer programs or instructions stored in the at least one memory, so that the operations and/or processes performed by the terminal device in any one of the method embodiments are performed.

The present application further provides a communications apparatus comprising at least one processor coupled with at least one memory, the at least one processor configured to execute computer programs or instructions stored in the at least one memory such that the operations and/or processes performed by the first network device in any of the method embodiments are performed.

In addition, the present application also provides a communication device comprising a processor, a memory, and a transceiver. The memory is used for storing computer programs, and the processor is used for calling and running the computer programs stored in the memory and controlling the transceiver to transmit and receive signals, so that the terminal device executes the operation and/or the processing executed by the terminal device in any one of the method embodiments.

The present application further provides a communication device comprising a processor, a memory, and a transceiver. The memory is used for storing a computer program, and the processor is used for calling and running the computer program stored in the memory, and controlling the transceiver to transmit and receive signals, so that the terminal device executes the operation and/or the processing executed by the first network device in any one of the method embodiments.

In addition, the present application also provides a wireless communication system, including the terminal device and/or the first network device in the embodiments of the present application.

The processor in the embodiments of the present application may be an integrated circuit chip having the capability of processing signals. In implementation, the steps of the above method embodiments may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. The processor may be a general purpose processor, a Digital Signal Processor (DSP), an application-specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, or discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented by a hardware encoding processor, or implemented by a combination of hardware and software modules in the encoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

The memory in the embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example, and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), SLDRAM (synchronous DRAM), and Direct Rambus RAM (DRRAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The term "and/or" in this application is only one kind of association relationship describing the association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. A, B and C may be singular or plural, and are not limited.

In addition, "a plurality" in the present application means two or more.

The functions may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A method for positioning, comprising:

receiving first information from a first network device, wherein the first information is used for indicating a terminal device to use L frequency bands for positioning, the L frequency bands are unauthorized frequency bands and/or authorized frequency bands, and L is a positive integer;

and positioning by using the L frequency bands.
The method of claim 1, further comprising:

measuring signal quality on the unlicensed frequency band;

and sending the signal quality on the unlicensed frequency band to the first network device, wherein the signal quality on the unlicensed frequency band is used for determining the first information.
The method of claim 2, further comprising:

and receiving second information from the first network equipment, wherein the second information is used for instructing the terminal equipment to measure the signal quality on the unlicensed frequency band.
The method according to any one of claims 1 to 3, further comprising:

measuring signal quality on the licensed frequency band;

and sending the signal quality on the authorized frequency band to the first network equipment, wherein the signal quality on the authorized frequency band is used for determining the first information or the second information.
A method for positioning, comprising:

determining that a terminal device uses L frequency bands for positioning, wherein the L frequency bands are unauthorized frequency bands and/or authorized frequency bands, and L is a positive integer;

and sending first information to the terminal equipment, wherein the first information is used for indicating the terminal equipment to use the L frequency bands for positioning.
The method of claim 5, further comprising:

receiving signal quality on the unlicensed frequency band from the terminal device;

determining whether the access condition of the unlicensed frequency band is met according to the signal quality on the unlicensed frequency band;

when it is determined that the access condition of the unlicensed frequency band is satisfied, the L frequency bands are the unlicensed frequency band, or the L frequency bands are the unlicensed frequency band and the licensed frequency band; or,

and when the access condition of the unauthorized frequency band is determined not to be met, the L frequency bands are the authorized frequency bands.
The method of claim 6, further comprising:

receiving signal quality on the licensed frequency band from the terminal device;

determining whether the terminal equipment performs measurement on the unlicensed frequency band according to the signal quality on the licensed frequency band;

wherein, when it is determined that the terminal device performs measurement on the unlicensed frequency band, the method further includes:

sending second information to the terminal device, wherein the second information is used for indicating the terminal device to measure the signal quality on the unlicensed frequency band; or,

and when the terminal equipment is determined not to execute the measurement on the unlicensed frequency band, determining that the L frequency bands are the licensed frequency bands.
The method of claim 7, wherein the determining whether the terminal device performs the measurement in the unlicensed frequency band according to the signal quality in the licensed frequency band comprises:

when the signal quality on the authorized frequency band is greater than or equal to a first threshold value, determining that the terminal device performs measurement on the unauthorized frequency band; or,

and when the signal quality on the authorized frequency band is less than the first threshold value, determining that the terminal equipment does not execute the measurement on the unauthorized frequency band.
The method according to any one of claims 5 to 8, further comprising:

receiving third information sent by at least one second network device, wherein the third information is used for indicating N frequency bands;

the L frequency bands comprise the N frequency bands, N is a positive integer, and N is smaller than or equal to L.
An apparatus for positioning, comprising:

the terminal equipment comprises a receiving and sending unit, a processing unit and a processing unit, wherein the receiving and sending unit is used for receiving first information from first network equipment, the first information is used for indicating the terminal equipment to use L frequency bands for positioning, the L frequency bands are unauthorized frequency bands and/or authorized frequency bands, and L is a positive integer;

a processing unit for performing positioning using the L frequency bands.
The apparatus of claim 10, wherein the transceiver unit is further configured to transmit, to the first network device, signal quality in the unlicensed frequency band, and wherein the signal quality in the unlicensed frequency band is used to determine the first information;

the processing unit is further configured to measure signal quality on the unlicensed frequency band.
The apparatus of claim 11, wherein the transceiver unit is further configured to receive second information from the first network device, and wherein the second information is used to instruct the terminal device to measure signal quality on the unlicensed frequency band.
The apparatus according to any of claims 10 to 12, wherein the processing unit is further configured to measure signal quality on the licensed frequency band;

the transceiver unit is further configured to send, to the first network device, signal quality on the licensed frequency band, where the signal quality on the licensed frequency band is used to determine the first information or the second information.
An apparatus for positioning, comprising:

the terminal equipment comprises a processing unit, a processing unit and a processing unit, wherein the processing unit is used for determining that the terminal equipment uses L frequency bands for positioning, the L frequency bands are unauthorized frequency bands and/or authorized frequency bands, and L is a positive integer;

and the receiving and sending unit is used for sending first information to the terminal equipment, and the first information is used for indicating the terminal equipment to use the L frequency bands for positioning.
The apparatus of claim 14, wherein the transceiver unit is further configured to receive signal quality on the unlicensed frequency band from the terminal device;

the processing unit is further configured to determine whether an access condition of the unlicensed frequency band is satisfied according to the signal quality on the unlicensed frequency band;

when it is determined that the access condition of the unlicensed frequency band is satisfied, the L frequency bands are the unlicensed frequency band, or the L frequency bands are the unlicensed frequency band and the licensed frequency band; or,

and when the access condition of the unlicensed frequency band is determined not to be met, the L frequency bands are the licensed frequency bands.
The apparatus according to claim 14 or 15, wherein the transceiver unit is further configured to receive signal quality on the licensed frequency band from the terminal device;

the processing unit is further configured to determine whether the terminal device performs measurement on the unlicensed frequency band according to the signal quality on the licensed frequency band;

when it is determined that the terminal device performs measurement on the unlicensed frequency band, the transceiver unit is further configured to send second information to the terminal device, where the second information is used to instruct the terminal device to measure signal quality on the unlicensed frequency band; or,

when it is determined that the terminal device does not perform measurement on the unlicensed frequency band, the processing unit is further configured to determine that the L frequency bands are the licensed frequency bands.
The apparatus of claim 16, wherein the processing unit is further configured to determine whether the terminal device performs the measurement in the unlicensed frequency band according to the signal quality in the licensed frequency band, and wherein the determining comprises:

when the signal quality on the authorized frequency band is greater than or equal to a first threshold, the processing unit is further configured to determine that the terminal device performs measurement on the unlicensed frequency band; or,

when the signal quality on the licensed frequency band is smaller than the first threshold, the processing unit is further configured to determine that the terminal device does not perform measurement on the unlicensed frequency band.
The apparatus according to any of claims 14 to 17, wherein the transceiver unit is further configured to receive third information from at least one of the second network devices, the third information indicating N frequency bands;

the L frequency bands comprise the N frequency bands, N is a positive integer, and N is smaller than or equal to L.
A communications apparatus comprising a processor and a storage medium storing instructions that, when executed by the processor, cause the communications apparatus to perform the method of any of claims 1 to 4 or to perform the method of any of claims 5 to 9.
A computer-readable storage medium, characterized in that it stores a computer program which, when executed, causes a communication apparatus to perform the method of any of claims 1 to 4 or to perform the method of any of claims 5 to 9.
A computer program product, characterized in that the computer program product comprises computer program code which, when run by a computer, causes the computer to perform the method of any one of claims 1 to 4 or to perform the method of any one of claims 5 to 9.