CN104486720B - A kind of localization method and device - Google Patents

Abstract

The embodiment of the present invention discloses a positioning method and device, which relate to the field of positioning technology and are used to solve the problem that the bandwidth required for transmitting the information required by the positioning algorithm may be less than the "fixed bandwidth"; and the network side equipment is provided by the positioning algorithm. The required information determines the "fixed bandwidth" and uses the "fixed bandwidth" to transmit the information required by the positioning algorithm, resulting in a waste of bandwidth. The positioning method provided by the embodiment of the present invention includes: selecting a target positioning algorithm from a preset positioning algorithm group; determining the target bandwidth required for the information to be transmitted corresponding to the target positioning algorithm according to the target positioning algorithm; using the target bandwidth Sending the information to be transmitted; where the information to be transmitted is used to locate the terminal device. The technical solutions provided by the embodiments of the present invention can be used in the process of realizing the positioning of the terminal equipment.

Description

A positioning method and device

technical field

The present invention relates to the technical field of positioning, in particular to a positioning method and device.

Background technique

Currently, common positioning technologies include Cell ID (cellphone Identity, cell identification code) positioning technology, TDOA (Time Difference of Arrival, time difference of arrival) positioning technology, etc. Different positioning technologies correspond to different positioning algorithms. When the network-side device needs to use different positioning algorithms to locate the terminal device, the information required by different positioning algorithms is different, and the bandwidth occupied by the information is also different; During the transmission of information, a fixed bandwidth is always determined for the information required by these positioning algorithms.

When the network-side device uses a positioning algorithm to locate the terminal device, the bandwidth required to transmit the information required by the positioning algorithm may be less than the "fixed bandwidth"; while the information required by the network-side device for the positioning algorithm Determining a "fixed bandwidth" and using the "fixed bandwidth" to transmit information required by the positioning algorithm will result in waste of bandwidth.

Contents of the invention

The embodiment of the present invention provides a positioning method and device, which are used to solve the problem that the bandwidth required for transmitting the information required by the positioning algorithm may be less than the "fixed bandwidth"; and the network side equipment determines the "fixed bandwidth" for the information required by the positioning algorithm. Bandwidth", and use the "fixed bandwidth" to transmit the information required by the positioning algorithm, resulting in a waste of bandwidth.

In order to achieve the above object, embodiments of the present invention adopt the following technical solutions:

In the first aspect, a positioning method is provided, including:

Select an object location algorithm from the group of preset location algorithms;

determining the target bandwidth required for the information to be transmitted corresponding to the target positioning algorithm according to the target positioning algorithm;

Sending the information to be transmitted with the target bandwidth; wherein the information to be transmitted is used to locate the terminal device.

With reference to the first aspect, in a first possible implementation manner, after the target positioning algorithm is selected from the preset positioning algorithm group, the method further includes:

determining the target frame structure required for the information to be transmitted corresponding to the target positioning algorithm according to the target positioning algorithm;

Mapping the information to be transmitted into the target frame structure to generate a frame to be transmitted;

The sending the information to be transmitted with the target bandwidth; wherein the information to be transmitted is used to locate the terminal device, including:

Sending the frame to be transmitted with the target bandwidth; wherein the frame to be transmitted is used for positioning the terminal device.

With reference to the first aspect, in a second possible implementation manner, the selection of the target positioning algorithm from the preset positioning algorithm group includes:

Select a target positioning algorithm that matches the positioning accuracy from a preset positioning algorithm group according to the positioning accuracy of the terminal device; or,

Periodically select a target positioning algorithm in the current time period from the preset positioning algorithm group.

With reference to the second possible implementation of the first aspect, in a third possible implementation, in the positioning accuracy of the terminal device, select a target positioning algorithm that matches the positioning accuracy from a preset positioning algorithm group Previously, the method further included:

Determining the positioning accuracy required for services with positioning requirements in the terminal device, and using the positioning accuracy as the positioning accuracy of the terminal device; or,

Determine the positioning accuracy corresponding to the area where the terminal device is located, and use the positioning accuracy as the positioning accuracy of the terminal device.

With reference to the first aspect, any one of the first possible implementation manner to the third possible implementation manner of the first aspect, in a fourth possible implementation manner, the target positioning algorithm includes: a cell identification code Cell ID Positioning algorithm, uplink time difference of arrival UTDOA positioning algorithm.

In a second aspect, a positioning device is provided, comprising:

A selection unit is used to select a target positioning algorithm from a preset positioning algorithm group;

A determining unit, configured to determine, according to the target positioning algorithm, the target bandwidth required for the information to be transmitted corresponding to the target positioning algorithm;

A sending unit, configured to send the information to be transmitted with the target bandwidth; wherein the information to be transmitted is used to locate the terminal device.

With reference to the second aspect, in a first possible implementation manner, the determining unit is further configured to: determine, according to the target positioning algorithm, a target frame structure required for information to be transmitted corresponding to the target positioning algorithm;

The device further includes: a generating unit, configured to map the information to be transmitted into the target frame structure, and generate a frame to be transmitted;

The sending unit is specifically configured to: send the frame to be transmitted with the target bandwidth; wherein the frame to be transmitted is used for positioning the terminal device.

With reference to the second aspect, in a second possible implementation manner, the selection unit is configured to select a target positioning algorithm that matches the positioning accuracy from a preset positioning algorithm group according to the positioning accuracy of the terminal device; or,

The selecting unit is configured to periodically select a target positioning algorithm in the current time period from the preset positioning algorithm group.

With reference to the second possible implementation of the second aspect, in a third possible implementation, the determining unit is further configured to: determine the positioning accuracy required by services that require positioning in the terminal device, and determine the positioning accuracy as the positioning accuracy of the terminal device; or,

The determining unit is further configured to: determine the positioning accuracy corresponding to the area where the terminal device is located, and use the positioning accuracy as the positioning accuracy of the terminal device.

With reference to the second aspect, any one of the first possible implementation manner to the third possible implementation manner of the second aspect, in a fourth possible implementation manner, the target positioning algorithm includes: a cell identification code Cell ID Positioning algorithm, uplink time difference of arrival UTDOA positioning algorithm.

In the technical solution provided by the embodiment of the present invention, the network side device determines the target bandwidth required for the information to be transmitted for the information to be transmitted corresponding to different positioning algorithms, and sends the information to be transmitted according to the target bandwidth; it can solve the problem of the existing technology Because the bandwidth required for transmitting the information required by the positioning algorithm may be less than the "fixed bandwidth"; and the network side device determines the "fixed bandwidth" for the information required by the positioning algorithm, and uses this "fixed bandwidth" to transmit The problem of bandwidth waste caused by the information required by the positioning algorithm.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a flow chart of a positioning method provided by Embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of an LTE system architecture provided by Embodiment 1 of the present invention;

FIG. 3 is a schematic diagram of a frame structure provided by Embodiment 1 of the present invention;

FIG. 4 is a schematic diagram of another frame structure provided by Embodiment 1 of the present invention;

FIG. 5 is a flow chart of a positioning method provided by Embodiment 2 of the present invention;

FIG. 6 is a schematic structural diagram of a positioning device provided in Embodiment 3 of the present invention;

FIG. 7 is a schematic structural diagram of another positioning device provided by Embodiment 3 of the present invention;

FIG. 8 is a schematic structural diagram of a positioning device provided by Embodiment 4 of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The term "and/or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations. In addition, the term "plurality" herein means two or more.

Embodiment one

An embodiment of the present invention provides a positioning method, as shown in Figure 1, including:

101. Select a target positioning algorithm from a preset positioning algorithm group.

The execution subject of the positioning method provided by the embodiment of the present invention may be a network side device; for example, it may be a base station; specifically, it may be a BBU (Building Base band Unit, baseband processing unit) in the base station. In the following embodiments, the positioning method is illustrated by taking the execution subject as the BBU as an example. The positioning method provided by the embodiment of the present invention can be applied in positioning technology to save bandwidth. Specifically, the positioning method can be applied in a process of positioning a terminal device in an existing LTE (Long Term Evolution, long term evolution) system.

Optionally, the target positioning algorithm may include but not limited to: Cell ID positioning algorithm, UTDOA (Uplinktime difference of arrival, uplink time difference of arrival) positioning algorithm, enhanced Cell ID positioning algorithm, OTDOA (Observed time difference of arrival, observation time difference of arrival) positioning algorithm, etc. The "preset positioning algorithm group" may include the above-mentioned multiple positioning algorithms; for example, the preset positioning algorithm group may include a Cell ID positioning algorithm and a UTDOA positioning algorithm.

The specific implementation of step 101 may include but not limited to the following two ways:

Mode 1: Select a target positioning algorithm that matches the positioning accuracy from a preset positioning algorithm group according to the positioning accuracy of the terminal device.

Mode 2. Periodically select a target positioning algorithm in the current time period from the preset positioning algorithm group.

When mode 1 is implemented, the "positioning accuracy" can be represented by information such as the level of positioning accuracy. For example, the BBU can divide the positioning accuracy into two levels, the two levels are low positioning accuracy and high positioning accuracy; specifically, a positioning algorithm with lower positioning accuracy can be mapped for low positioning accuracy, and a positioning algorithm for high positioning accuracy can be mapped. Higher precision positioning algorithm. Of course, the BBU can also divide the positioning accuracy into multiple levels, and map the positioning algorithms that match the positioning accuracy levels for the multiple positioning accuracy levels; where different positioning accuracy levels can match the same positioning algorithm.

Optionally, before mode 1, the method may further include: determining the positioning accuracy required by the service that requires positioning in the terminal device, and using the positioning accuracy as the positioning accuracy of the terminal device; or, determining the positioning accuracy of the terminal device. The positioning accuracy corresponding to the area at is used as the positioning accuracy of the terminal device.

When this optional method is specifically implemented, the BBU can determine the positioning accuracy required by the service according to the identification of the service with positioning requirements in the terminal device or the service type corresponding to the identification of the service with positioning requirements; and use the positioning accuracy as The positioning accuracy of the terminal device; wherein, services with different identifiers may correspond to the same service type, or may correspond to different service types; or, determine the positioning accuracy of the terminal device according to the size of the flow of people in the area where the terminal device is located.

102. Determine, according to the target positioning algorithm, a target bandwidth required for information to be transmitted corresponding to the target positioning algorithm.

103. Send the information to be transmitted by using the target bandwidth; where the information to be transmitted is used to locate the terminal device.

Step 103 may include: determining a receiving end of the information to be transmitted according to a target positioning algorithm, and sending the information to be transmitted to the receiving end with the target bandwidth.

Taking the method applied to the LTE system as an example, step 103 will be described below:

As shown in Figure 2, the LTE system may include: a BBU, a positioning front-end device, and a positioning server; wherein, the positioning front-end device may be a device composed of a radio frequency unit and a signal processing unit; specifically, the radio frequency unit may be an RRU (Radio Remote Unit , radio remote unit); Optionally, the positioning front-end device can be co-installed with the BBU.

In the LTE system, the "receiving end" may be a positioning front-end device or a positioning server. When step 103 is actually implemented, the positioning front-end device and the positioning server may store a mapping relationship between the positioning algorithm and the information to be transmitted corresponding to the positioning algorithm. When the positioning front-end device or the positioning server receives the information to be transmitted, according to the mapping The relationship determines the positioning algorithm corresponding to the information to be transmitted.

Exemplarily, when the target positioning algorithm is the Cell ID positioning algorithm, step 103 may specifically include: the BBU directly sends the information to be transmitted corresponding to the Cell ID positioning algorithm to the positioning server with the target bandwidth; or, passes through a positioning front-end device with the target bandwidth Send the to-be-transmitted information corresponding to the Cell ID positioning algorithm to the positioning server. Specifically, the information to be transmitted corresponding to the CellID positioning algorithm may be: a flag bit, a user serial number, a Cell ID, and a transmission cycle.

Exemplarily, when the target positioning algorithm is the UTDOA positioning algorithm, step 103 may specifically include: the BBU sends to each positioning front-end device the information to be transmitted corresponding to the UTDOA positioning algorithm with the target bandwidth; in this case, the method may also include: each The positioning front-end device performs air interface blind detection according to the SRS (Sounding Reference signal, channel sounding reference signal) sequence in the information to be transmitted sent by the BBU and the SRS sequence sent by the terminal device to obtain time point information, and the positioning server uses UTDOA positioning based on the time point information The algorithm locates the terminal device. Specifically, the information to be transmitted corresponding to the UTDOA positioning algorithm may be: flag bit, user sequence number, SRS sequence, timing advance, RB (ResourceBlock, resource block) number, enable bit, transmission period, and trigger reason.

Optionally, after step 101, the method may further include steps 1)-2): Step 1), according to the target positioning algorithm, determine the target frame structure required for the information to be transmitted corresponding to the target positioning algorithm; Step 2), mapping the to-be-transmitted information into the target frame structure to generate a to-be-transmitted frame; in this case, step 103 may include: sending the to-be-transmitted frame with the target bandwidth; wherein, the to-be-transmitted frame The transmission frame is used to locate the terminal device.

Optionally, during specific implementation of step 2), different or the same frame structures may be mapped for positioning algorithms in the preset positioning algorithm group according to the information to be transmitted corresponding to the positioning algorithms in the preset positioning algorithm group. Specifically, for the CellID positioning algorithm, the information to be transmitted according to the Cell ID positioning algorithm can be mapped to the frame structure 1 shown in Figure 3 for the Cell ID positioning algorithm; for the UTDOA positioning algorithm, the corresponding information to be transmitted according to the UTDOA positioning algorithm can be Frame structure 2 as shown in Fig. 4 is mapped for the UTDOA positioning algorithm.

Optionally, before step 2), the method may further include: the BBU reads the information to be transmitted from an information table corresponding to the terminal device according to the information to be transmitted.

In the positioning method provided by the embodiment of the present invention, the network side device determines the target bandwidth required by the information to be transmitted for the information to be transmitted corresponding to different positioning algorithms, and sends the information to be transmitted according to the target bandwidth; it can solve the problem of existing technologies Because the bandwidth required for transmitting the information required by the positioning algorithm may be less than the "fixed bandwidth"; and the network side device determines the "fixed bandwidth" for the information required by the positioning algorithm, and uses this "fixed bandwidth" to transmit The problem of bandwidth waste caused by the information required by the positioning algorithm.

Embodiment two

This embodiment illustrates the positioning method provided by Embodiment 1 based on the LTE system architecture shown in FIG. The interface between the BBU and the positioning server is interface 2, and the interface between the BBU and the positioning server is interface 3. The positioning accuracy in the second embodiment is divided into two grades: high positioning accuracy and low positioning accuracy. The preset positioning algorithm group consists of the Cell ID positioning algorithm and the UTDOA positioning algorithm; among them, the Cell ID positioning algorithm has low positioning accuracy, and the UTDOA positioning algorithm has high positioning accuracy. As shown in Figure 5, the positioning method may include the following steps:

501. The BBU receives an identifier of a service requiring positioning sent by a terminal device, determines the positioning accuracy required by the service according to the service identifier, and uses the positioning accuracy as the positioning accuracy of the terminal device.

Specifically, when a terminal device initiates a service requiring positioning, the terminal device sends an identifier of the service to the BBU.

502. The BBU selects a target positioning algorithm from a preset positioning algorithm group according to the positioning accuracy of the terminal device.

Specifically, when the positioning accuracy of the terminal device is low positioning accuracy, the target positioning algorithm is the Cell ID positioning algorithm; when the positioning accuracy of the terminal device is high positioning accuracy, the target positioning algorithm is the UTDOA positioning algorithm.

When the target positioning algorithm is the Cell ID positioning algorithm, perform steps 503-507, and when the target positioning algorithm is the UTDOA positioning algorithm, perform steps 508-511.

503. The BBU determines, according to the to-be-transmitted information corresponding to the Cell ID positioning algorithm, that the target frame structure required by the Cell ID positioning algorithm is frame structure 1; wherein, frame structure 1 is shown in FIG. 3 .

504. The BBU reads the to-be-transmitted information corresponding to the Cell ID positioning algorithm from the information table corresponding to the terminal device, and maps the information to the frame structure 1 to generate the to-be-transmitted frame 1.

When step 503 is actually implemented, the information required by the Cell ID positioning algorithm can be: flag, user serial number, Cell ID and transmission period, then the BBU reads these information from the information table corresponding to the terminal device, and maps these information Go to frame structure 1 and generate frame 1 to be transmitted.

505. The BBU allocates bandwidth for the frame 1 to be transmitted according to the bandwidth required by the frame 1 to be transmitted.

506. The BBU sends the frame 1 to be transmitted to the positioning server according to the allocated bandwidth.

When step 506 is actually implemented, the BBU can directly send the frame 1 to be transmitted to the positioning server through the interface 3; it can also send the frame 1 to be transmitted to the positioning front-end device through the interface 1, and the positioning front-end device will receive the frame 1 to be transmitted through the interface 2 Frame 1 is sent to the positioning server.

507. The positioning server uses the Cell ID positioning algorithm to locate the terminal device according to the information carried in the received frame 1 to be transmitted.

508. The BBU determines, according to the to-be-transmitted information corresponding to the UTDOA positioning algorithm, that the target frame structure required by the UTDOA positioning algorithm is frame structure 2; wherein, frame structure 2 is shown in FIG. 4 .

509. The BBU reads the information to be transmitted corresponding to the UTDOA positioning algorithm from the information table corresponding to the terminal device, and maps the information to the frame structure 2 to generate the frame 2 to be transmitted.

When step 509 is actually implemented, the information required by the UTDOA positioning algorithm may be: flag bits, user serial numbers, SRS sequences, timing advances, RB numbers, enable bits, transmission periods, and trigger causes.

510. Allocate bandwidth for the frame 2 to be transmitted according to the bandwidth required by the frame 2 to be transmitted.

511. Send the frame 2 to be transmitted to the positioning front-end device according to the allocated bandwidth, and the frame 2 to be transmitted is used to enable each positioning front-end device to communicate with the positioning server, so as to use the UTDOA positioning algorithm to locate the terminal device.

Specifically, each positioning front-end device communicates with the positioning server to use the UTDOA positioning algorithm to locate the terminal device, which may include: performing air interface blind detection according to the SRS sequence in the frame 2 to be transmitted and the SRS sequence sent by the terminal device to obtain the time Each positioning front-end device sends the obtained time point information to the positioning server; the positioning server uses the UTDOA positioning algorithm to locate the terminal device according to the received time point information.

In the positioning method provided by the embodiment of the present invention, the network side device determines the target bandwidth required by the information to be transmitted for the information to be transmitted corresponding to different positioning algorithms, and sends the information to be transmitted according to the target bandwidth; it can solve the problem of existing technologies Because the bandwidth required for transmitting the information required by the positioning algorithm may be less than the "fixed bandwidth"; and the network side device determines the "fixed bandwidth" for the information required by the positioning algorithm, and uses this "fixed bandwidth" to transmit The problem of bandwidth waste caused by the information required by the positioning algorithm.

Embodiment three

According to an embodiment of the present invention, a positioning device 60 is used to execute the positioning method shown in FIG. 1. As shown in FIG. 6, the positioning device 60 includes:

A selection unit 601, configured to select a target positioning algorithm from a preset positioning algorithm group;

A determining unit 602, configured to determine the target bandwidth required for the information to be transmitted corresponding to the target positioning algorithm according to the target positioning algorithm;

The sending unit 603 is configured to send the information to be transmitted with the target bandwidth; wherein the information to be transmitted is used to locate the terminal device.

Optionally, the determining unit 602 is further configured to: determine the target frame structure required for the information to be transmitted corresponding to the target positioning algorithm according to the target positioning algorithm;

As shown in FIG. 7, the positioning device 60 further includes: a generating unit 604, configured to map the information to be transmitted into the target frame structure, and generate a frame to be transmitted;

The sending unit 603 is specifically configured to: send the frame to be transmitted with the target bandwidth; wherein the frame to be transmitted is used for positioning the terminal device.

Optionally, the selection unit 601 is configured to select a target positioning algorithm that matches the positioning accuracy from a preset positioning algorithm group according to the positioning accuracy of the terminal device; or, the selection unit 601 is configured to periodically A target positioning algorithm within the current time period is selected from the preset positioning algorithm group.

Optionally, the determining unit 602 is further configured to: determine the positioning accuracy required by services that require positioning in the terminal device, and use the positioning accuracy as the positioning accuracy of the terminal device; or, the determining unit 602 also uses In: determining the positioning accuracy corresponding to the area where the terminal device is located, and using the positioning accuracy as the positioning accuracy of the terminal device.

Optionally, the target positioning algorithm includes: a Cell ID positioning algorithm, and an uplink Time Difference of Arrival UTDOA positioning algorithm.

The positioning device provided by the embodiment of the present invention determines the target bandwidth required by the information to be transmitted for the information to be transmitted corresponding to different positioning algorithms, and sends the information to be transmitted according to the target bandwidth; it can solve the problem in the prior art The bandwidth required to transmit the information required by the positioning algorithm may be less than the "fixed bandwidth"; and the network side device determines the "fixed bandwidth" for the information required by the positioning algorithm, and uses the "fixed bandwidth" to transmit the positioning algorithm The problem of wasted bandwidth caused by the required information.

Embodiment Four

In terms of hardware implementation, the sending unit in Embodiment 3 can be a transmitter; the selection unit, determination unit and generation unit can be embedded in or independent of the processor of the positioning device in the form of hardware, or can be stored in the positioning device in the form of software. In the memory of the device, it is convenient for the processor to call and execute the corresponding operations of the above units. The processor may be a central processing unit (CPU), a microprocessor, a single-chip microcomputer, and the like.

As shown in FIG. 8 , a positioning device 80 provided in an embodiment of the present invention is used to execute the positioning method shown in FIG. 1 . The positioning device 80 includes: a memory 801, a transmitter 802, a processor 803 and a bus system 804 .

Wherein, the memory 801, the transmitter 802 and the processor 803 are coupled together through a bus system 804, wherein the bus system 804 may include a power bus, a control bus, and a status signal bus in addition to a data bus. However, for clarity of illustration, the various buses are labeled as bus system 804 in the figure.

memory 801, for storing a set of codes;

The code stored in the memory 801 is used to control the processor 803 to perform the following actions:

Select an object location algorithm from the group of preset location algorithms;

The target bandwidth required by the information to be transmitted corresponding to the target positioning algorithm is determined according to the target positioning algorithm.

The sender 802 is configured to: send the information to be transmitted with the target bandwidth; wherein the information to be transmitted is used to locate the terminal device.

Optionally, the processor 803 is further configured to: determine, according to the target positioning algorithm, a target frame structure required for information to be transmitted corresponding to the target positioning algorithm;

The processor 803 is further configured to: map the information to be transmitted into the target frame structure to generate a frame to be transmitted;

The processor 803 is specifically configured to: send the frame to be transmitted with the target bandwidth; wherein the frame to be transmitted is used to locate the terminal device.

Optionally, the processor 803 is configured to: select a target positioning algorithm that matches the positioning accuracy from a preset positioning algorithm group according to the positioning accuracy of the terminal device; or, the processor 803 is configured to: periodically A target positioning algorithm within the current time period is selected from the preset positioning algorithm group.

Optionally, the processor 803 is further configured to: determine the positioning accuracy required by services that require positioning in the terminal device, and use the positioning accuracy as the positioning accuracy of the terminal device; or, the processor 803 also uses In: determining the positioning accuracy corresponding to the area where the terminal device is located, and using the positioning accuracy as the positioning accuracy of the terminal device.

Optionally, the target positioning algorithm includes: a Cell ID positioning algorithm, and an uplink Time Difference of Arrival UTDOA positioning algorithm.

The positioning device provided by the embodiment of the present invention determines the target bandwidth required by the information to be transmitted for the information to be transmitted corresponding to different positioning algorithms, and sends the information to be transmitted according to the target bandwidth; it can solve the problem in the prior art The bandwidth required to transmit the information required by the positioning algorithm may be less than the "fixed bandwidth"; and the network side device determines the "fixed bandwidth" for the information required by the positioning algorithm, and uses the "fixed bandwidth" to transmit the positioning algorithm The problem of wasted bandwidth caused by the required information.

In the several embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may be physically included separately, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware, or in the form of hardware plus software functional units.

The above-mentioned integrated units implemented in the form of software functional units may be stored in a computer-readable storage medium. The above-mentioned software functional units are stored in a storage medium, and include several instructions to enable a computer device (which may be a personal computer, server, or network device, etc.) to execute some steps of the methods described in various embodiments of the present invention. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM), magnetic disk or optical disk, etc., which can store program codes. medium.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (6)

1. A method of positioning, comprising:

selecting a target positioning algorithm from a preset positioning algorithm group;

determining a target bandwidth required by information to be transmitted corresponding to the target positioning algorithm according to the target positioning algorithm;

sending the information to be transmitted by the target bandwidth; the information to be transmitted is used for positioning the terminal equipment;

the selecting a target positioning algorithm from a preset positioning algorithm group comprises:

selecting a target positioning algorithm matched with the positioning precision from a preset positioning algorithm group according to the positioning precision of the terminal equipment;

before the selecting, according to the positioning accuracy of the terminal device, a target positioning algorithm matching the positioning accuracy from a preset positioning algorithm group, the method further includes:

determining the positioning precision required by the service with the positioning requirement in the terminal equipment, and taking the positioning precision as the positioning precision of the terminal equipment; or determining the positioning accuracy corresponding to the area where the terminal device is located, and taking the positioning accuracy as the positioning accuracy of the terminal device.

2. The positioning method according to claim 1, wherein after said selecting an object positioning algorithm from a set of preset positioning algorithms, the method further comprises:

determining a target frame structure required by information to be transmitted corresponding to the target positioning algorithm according to the target positioning algorithm;

mapping the information to be transmitted to the target frame structure to generate a frame to be transmitted;

the information to be transmitted is sent by the target bandwidth; wherein, the information to be transmitted is used for positioning the terminal equipment, and comprises:

sending the frame to be transmitted by the target bandwidth; and the frame to be transmitted is used for positioning the terminal equipment.

3. The positioning method according to claim 1 or 2, wherein the target positioning algorithm comprises: cell identification code Cell ID positioning algorithm and uplink arrival time difference UTDOA positioning algorithm.

4. A positioning device, comprising:

the selection unit is used for selecting a target positioning algorithm from a preset positioning algorithm group;

the determining unit is used for determining a target bandwidth required by the information to be transmitted corresponding to the target positioning algorithm according to the target positioning algorithm;

a sending unit, configured to send the information to be transmitted with the target bandwidth; the information to be transmitted is used for positioning the terminal equipment;

the selection unit is used for selecting a target positioning algorithm matched with the positioning precision from a preset positioning algorithm group according to the positioning precision of the terminal equipment;

the determination unit is further configured to: determining the positioning precision required by the service with the positioning requirement in the terminal equipment, and taking the positioning precision as the positioning precision of the terminal equipment; or, the determining unit is further configured to: and determining the positioning accuracy corresponding to the area where the terminal equipment is located, and taking the positioning accuracy as the positioning accuracy of the terminal equipment.

5. The positioning device of claim 4,

the determination unit is further configured to: determining a target frame structure required by information to be transmitted corresponding to the target positioning algorithm according to the target positioning algorithm;

the device further comprises: the generating unit is used for mapping the information to be transmitted into the target frame structure to generate a frame to be transmitted;

the sending unit is specifically configured to: sending the frame to be transmitted by the target bandwidth; and the frame to be transmitted is used for positioning the terminal equipment.

6. The positioning device according to claim 4 or 5, wherein the target positioning algorithm comprises: cell identification code Cell ID positioning algorithm and uplink arrival time difference UTDOA positioning algorithm.