阅读说明：本技术 一种定位辅助数据的发送方法、设备及系统 (Method, equipment and system for sending positioning auxiliary data ) 是由 李晨琬 于映辉 于 2017-07-31 设计创作，主要内容包括：本申请提供一种定位辅助数据的发送方法、设备及系统,涉及通信技术领域,可以在发送定位辅助数据的过程中,可以提高定位精度,并提高频谱效率和资源利用率。具体方案包括：定位服务器接收核心网设备发送的至少一个定位请求,该定位请求中包括UE的标识和UE的服务小区的标识；定位服务器根据至少一个定位请求,向基站发送至少一个定位辅助数据；基站接收定位服务器发送的至少一个定位辅助数据；基站广播该至少一个定位辅助数据。本发明实施例提供的方案具体应用于将定位辅助数据由单播形式转化为广播形式发送的过程中。(The application provides a method, equipment and a system for sending positioning auxiliary data, relates to the technical field of communication, and can improve positioning accuracy and improve frequency spectrum efficiency and resource utilization rate in the process of sending the positioning auxiliary data. The specific scheme comprises the following steps: a positioning server receives at least one positioning request sent by core network equipment, wherein the positioning request comprises an identifier of UE and an identifier of a service cell of the UE; the positioning server sends at least one positioning auxiliary data to the base station according to at least one positioning request; a base station receives at least one positioning auxiliary data sent by a positioning server; the base station broadcasts the at least one positioning assistance data. The scheme provided by the embodiment of the invention is particularly applied to the process of converting the positioning auxiliary data from a unicast form to a broadcast form for sending.)

A method for transmitting positioning assistance data, comprising:

a positioning server receives at least one positioning request sent by core network equipment, wherein the positioning request comprises an identifier of User Equipment (UE) and an identifier of a service cell of the UE;

and the positioning server sends at least one positioning auxiliary data to the base station according to the at least one positioning request.

The method of claim 1, further comprising, before the positioning server sends at least one positioning assistance data to a base station according to the at least one positioning request:

the positioning server receives a first message sent by UE, wherein the first message comprises at least one of indication information of positioning capability and/or indication information of positioning accuracy and/or indication information of service type of the UE; the indication information of the positioning capability is used for indicating the positioning capability of the UE, the indication information of the positioning accuracy is used for indicating the positioning accuracy supported by the UE, and the indication information of the service type is used for indicating the service type supported by the UE.

The method according to claim 2, wherein the positioning capabilities supported by the UE comprise at least one of a downlink time of arrival observed difference OTDOA, a real time carrier phase RTK, a real time pseudorange differential RTD, a state space representation SSR, a virtual reference station VRS, a master-slave concept MAC, a zone correction parameter FKP, a precision point positioning PPP.

A method according to claim 2 or 3, wherein for a first serving cell, the positioning server sends at least one positioning assistance data to the base station according to the at least one positioning request, comprising:

for a base station corresponding to a first serving cell, the positioning server sends at least one positioning assistance data to the base station corresponding to the first serving cell according to an identifier of the first serving cell under the condition that a first condition is met, where the first condition is any one of the following conditions:

the positioning server determines that the number of the UE needing positioning in the first serving cell is larger than a first threshold value;

and/or;

the positioning server determines that the number of the UE meeting any positioning capability in the UE needing positioning in the first serving cell is larger than a second threshold;

and/or;

the positioning server determines that the number of the UE which supports any positioning precision is larger than a third threshold value in the UE which needs to be positioned in the first serving cell;

and/or;

the positioning server determines that the number of the UE meeting any positioning service type in the UE needing positioning in the first service cell is larger than a fourth threshold;

and/or;

and the positioning server receives first indication information sent by the core network equipment, wherein the first indication information is used for indicating that positioning auxiliary data is sent to the UE needing positioning in the first serving cell in a broadcast mode.

The method of claim 4, wherein the sending, by the positioning server, at least one positioning assistance data to the base station corresponding to the first serving cell according to the identifier of the first serving cell, comprises:

the positioning server divides the type of the at least one positioning auxiliary data according to the positioning capability and/or the positioning accuracy and/or the positioning service type of the UE needing positioning in the first serving cell to obtain the at least one positioning auxiliary data of different types;

and the positioning server sends the at least one positioning auxiliary data with different types to a base station corresponding to the first serving cell according to the identifier of the first serving cell.

The method of claim 5, further comprising, after the positioning server sends at least one positioning assistance data to the base station corresponding to the first serving cell according to the identifier of the first serving cell:

the positioning server sends a stop instruction message to the base station corresponding to the first serving cell, where the stop instruction message is used to instruct to stop sending the at least one positioning assistance data to the base station corresponding to the first serving cell.

A method for transmitting positioning assistance data, comprising:

a base station receives at least one positioning auxiliary data sent by a positioning server;

the base station broadcasts the at least one positioning assistance data.

The method of claim 7, wherein the base station broadcasts the at least one positioning assistance data, comprising:

for a base station corresponding to a first serving cell, the base station corresponding to the first serving cell broadcasts at least one positioning assistance data of a different type.

The method of claim 8, wherein before the base station receives at least one positioning assistance data sent by a positioning server, the method further comprises:

the base station receives a positioning notification message sent by core network equipment, wherein the positioning notification message comprises a positioning request;

and the base station sends the positioning notification message to the UE needing positioning.

The method according to any of claims 7-9, wherein after the base station receives at least one positioning assistance data sent by a positioning server, further comprising:

the base station sends a first change paging message to a first UE, wherein the first change paging message carries change indication information and is used for indicating that a system message related to first positioning auxiliary data changes; wherein the first UE is a UE which needs to be positioned in the first serving cell.

A method for transmitting positioning assistance data, comprising:

the method comprises the steps that core network equipment sends at least one positioning request to a positioning server, wherein each positioning request in the at least one positioning request comprises an identification of User Equipment (UE) and an identification of a service cell of the UE;

the core network equipment sends first indication information to the positioning server under the condition that a first condition is met, wherein the first indication information is used for indicating that positioning auxiliary data are sent to UE needing positioning in the first serving cell in a broadcast mode; wherein the first condition is any one of the following conditions:

the core network equipment determines that the number of the UE needing positioning in the first serving cell is larger than a first threshold value;

and/or;

the core network equipment determines that the number of the UE meeting the positioning capability of any UE in the UE needing positioning in the first serving cell is larger than a second threshold;

and/or;

the core network equipment determines that the number of the UE which supports any positioning precision in the UE which needs positioning in the first service cell is larger than a third threshold;

and/or;

and the core network equipment determines that the number of the UE meeting any positioning service type in the UE needing positioning in the first service cell is greater than a fourth threshold value.

The method according to claim 11, further comprising, after the core network device sends the first indication information to the location server:

and the core network equipment sends second indication information to a positioning server, wherein the second indication information is used for indicating that the positioning auxiliary data is stopped being sent to the UE needing to be positioned in the first service cell in a broadcast mode.

The method according to claim 11 or 12, wherein before the core network device sends at least one location request to a location server, the method further comprises:

and the core network equipment sends a positioning notification message to the base station, wherein the positioning notification message carries the positioning request.

A method for transmitting positioning assistance data, comprising:

a first User Equipment (UE) obtains first positioning auxiliary data broadcasted by a base station corresponding to a first serving cell, wherein the first positioning auxiliary data is used for the first UE to calculate and obtain an accurate position, or the first positioning auxiliary data is used for the first UE to perform positioning measurement; wherein the first UE is a UE which needs to be positioned in the first serving cell.

The method of claim 14, before the first UE obtains the first positioning assistance data broadcast by the base station corresponding to the first serving cell, further comprising:

the first UE sends a first message of the first UE to a positioning server, wherein the first message of the first UE comprises at least one of positioning capability indication information of the first UE, positioning method indication information supported by the first UE and service type indication information supported by the first UE; the indication information of the positioning capability of the first UE is used to indicate the positioning capability of the first UE, the indication information of the positioning accuracy of the first UE is used to indicate the positioning accuracy supported by the first UE, and the indication information of the service type of the first UE is used to indicate the service type supported by the first UE.

The method of claim 15, further comprising, before the first UE obtains the first positioning assistance data broadcast by the base station corresponding to the first serving cell:

and the first UE receives a first change paging message sent by a base station corresponding to the first serving cell, wherein the first change paging message carries change indication information and is used for indicating that a system message related to first positioning auxiliary data changes.

The method of claim 16, further comprising, after the first UE obtains the first positioning assistance data broadcast by the base station corresponding to the first serving cell:

and the first UE receives a first positioning paging message sent by a base station corresponding to the first serving cell, wherein the first positioning paging message carries positioning request indication information.

A positioning server, comprising: one or more processors, memory, communication interfaces, and buses;

the memory is configured to store at least one instruction, the one or more processors and the memory and the communication interface are connected via the bus, and when the positioning server is running, the one or more processors execute the at least one instruction stored by the memory to cause the positioning server to perform the method of transmitting positioning assistance data according to any one of claims 1-6.

A computer storage medium, comprising: at least one instruction;

when the at least one instruction is executed on a computer, causing the computer to perform the method of transmitting positioning assistance data according to any one of claims 1-6.

A computer program product, comprising: at least one instruction;

when the at least one instruction is executed on a computer, causing the computer to perform the method of transmitting positioning assistance data according to any one of claims 1-6.

A base station, comprising: one or more processors, memory, communication interfaces, and buses;

the memory is configured to store at least one instruction, the one or more processors and the memory and the communication interface are connected via the bus, and when the base station is operating, the one or more processors execute the at least one instruction stored by the memory to cause the base station to perform the method of transmitting positioning assistance data according to any one of claims 7 to 10.

A computer storage medium, comprising: at least one instruction;

when the at least one instruction is executed on a computer, causing the computer to perform the method of transmitting positioning assistance data according to any one of claims 7-10.

A computer program product, comprising: at least one instruction;

when the at least one instruction is executed on a computer, causing the computer to perform the method of transmitting positioning assistance data according to any one of claims 7-10.

A core network device, comprising: one or more processors, memory, communication interfaces, and buses;

the memory is configured to store at least one instruction, the one or more processors and the memory and the communication interface are connected via the bus, and when the core network device is running, the one or more processors execute the at least one instruction stored in the memory to cause the core network device to perform the method for transmitting positioning assistance data according to any one of claims 11-13.

A computer storage medium, comprising: at least one instruction;

when the at least one instruction is executed on a computer, causing the computer to perform the method of transmitting positioning assistance data according to any one of claims 11-13.

A computer program product, comprising: at least one instruction;

when the at least one instruction is executed on a computer, causing the computer to perform the method of transmitting positioning assistance data according to any one of claims 11-13.

A UE, comprising: one or more processors, memory, communication interfaces, and buses;

the memory is configured to store at least one instruction, the one or more processors and the memory and the communication interface being connected via the bus, the at least one instruction stored by the memory being executable by the one or more processors when the UE is running to cause the UE to perform the method of transmitting positioning assistance data according to any of claims 11-13.

A computer storage medium, comprising: at least one instruction;

when the at least one instruction is executed on a computer, causing the computer to perform the method of transmitting positioning assistance data according to any one of claims 11-13.

A computer program product, comprising: at least one instruction;

when the at least one instruction is executed on a computer, causing the computer to perform the method of transmitting positioning assistance data according to any one of claims 11-13.

A system for transmitting positioning assistance data, comprising:

a location server as recited in claim 18; and

the base station of claim 21; and

the core network device of claim 24; and

at least one UE according to claim 27.