Method, device and system for positioning terminal

• US 10,132,909 B2
• Filed: 10/24/2014
• Issued: 11/20/2018
• Est. Priority Date: 04/27/2012
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Cui, Jie, Xiao, Dengkun, Wu, Yongtong
• Primary Examiner(s): Liu, Harry K
• Application Number:
  US14/523,434
• Publication Number:
  US 20150042516A1
• Time in Patent Office: 1,488 Days
• Field of Search: 342450
• CPC Class Codes: G01S 1/02 using radio waves G01S19/00 takes precedence
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

Provided are a terminal positioning method, device and system, the method comprising: receiving three-dimensional positioning measurement information transmitted by a terminal; and acquiring the three-dimensional position information of the terminal according to the three-dimensional positioning measurement information.

Claims

1. A method for positioning a terminal, performed by a positioning server comprising a processor and a transceiver, the method comprising:

sending, by the transceiver, three-dimensional positioning capability request information to the terminal;

receiving, by the transceiver, three-dimensional positioning capability information of the terminal from the terminal in response to the three-dimensional positioning capability request information, wherein the three-dimensional positioning capability information of the terminal comprises an altitude measurement capability of the terminal;

sending, by the transceiver, an instruction to instruct the terminal to acquire three-dimensional positioning measurement information;

receiving, by the transceiver, the three-dimensional positioning measurement information sent by the terminal, wherein the three-dimensional positioning measurement information comprises at least one of;

     1) a barometric pressure value of the terminal measured by the terminal, and

     2) an altitude value of the terminal obtained by performing a calculation on the barometric pressure value of the terminal measured by the terminal; and

deriving, by the processor, three-dimensional location information of the terminal based on the three-dimensional positioning measurement information,

wherein deriving, by the processor, the three-dimensional location information of the terminal based on the three-dimensional positioning measurement information comprises;

obtaining, by the processor, two-dimensional location information of the terminal; and

deriving, by the processor, the three-dimensional location information of the terminal based on the two-dimensional location information and the altitude reference information.

2. The method for positioning the terminal according to claim 1, wherein the method further comprises:

determining, by the processor, the three-dimensional positioning measurement information based on the three-dimensional positioning capability information of the terminal.

3. A method for positioning a terminal, performed by the terminal comprising a transceiver and a processor, the method comprising:

receiving, by the transceiver, three-dimensional positioning capability request information sent by a positioning server;

sending, by the transceiver, three-dimensional positioning capability information of the terminal to the positioning server in response to the three-dimensional positioning capability request information, wherein the three-dimensional positioning capability information of the terminal comprises an altitude measurement capability of the terminal or a three-dimensional measurement capability of the terminal;

receiving, by the transceiver, an instruction for acquiring three-dimensional positioning measurement information, which is sent to the terminal by the positioning server;

performing, by the processor, a positioning measurement to obtain the three-dimensional positioning measurement information, wherein the three-dimensional positioning measurement information comprises at least one of;

     1) a barometric pressure value of the terminal measured by the terminal,

     2) an altitude value of the terminal obtained by performing a calculation on the barometric pressure value of the terminal measured by the terminal, and

     3) a value of a motion trail of the terminal measured by the terminal; and

sending, by the transceiver, the three-dimensional positioning measurement information to the positioning server to enable the positioning server to derive three-dimensional location information of the terminal based on the three-dimensional positioning measurement information.

4. The method for positioning the terminal according to claim 3, wherein the sending, by the transceiver, the three-dimensional positioning measurement information to a positioning server comprises:

sending, by the transceiver, the three-dimensional positioning measurement information to the positioning server in response to the terminal receiving the instruction for acquiring the three-dimensional positioning measurement information sent by the positioning server;

or

sending, by the transceiver, the three-dimensional positioning measurement information to the positioning server according to a preset reporting period.

5. The method for positioning the terminal according to claim 3, wherein the method further comprises:

sending, by the transceiver, three-dimensional positioning measurement failure information to the positioning server if the terminal fails to obtain the three-dimensional positioning measurement information.

6. A positioning server, comprising a processor and a transceiver, wherein

the transceiver is configured to send three-dimensional positioning capability request information to a terminal,

the transceiver is configured to receive three-dimensional positioning capability information of the terminal from the terminal in response to the three-dimensional positioning capability request information, wherein the three-dimensional positioning capability information of the terminal comprises an altitude measurement capability of the terminal;

the processor is configured to instruct the transceiver to send to the terminal an instruction for acquiring three-dimensional positioning measurement information;

the transceiver is configured to receive the three-dimensional positioning measurement information sent by the terminal, wherein the three-dimensional positioning measurement information comprises at least one of;

     1) a barometric pressure value of the terminal measured by the terminal, and

     2) an altitude value of the terminal obtained by performing a calculation on the barometric pressure value of the terminal measured by the terminal; and

the processor is configured to obtain two-dimensional location information of the terminal and derive three-dimensional location information of the terminal based on the two-dimensional location information and the altitude reference information.

7. A terminal, comprising a processor and a transceiver, wherein

the transceiver is configured to receive three-dimensional positioning capability request information from a positioning server;

the transceiver is configured to send three-dimensional positioning capability information of the terminal to the positioning server in response to the three-dimensional positioning capability request information, wherein the three-dimensional positioning capability information of the terminal comprises an altitude measurement capability of the terminal or a three-dimensional measurement capability of the terminal;

the transceiver is configured to receive an instruction for acquiring three-dimensional positioning measurement information, which is sent to the terminal by the positioning server, to inform the processor to perform a positioning measurement based on the instruction;

the processor is configured to perform the positioning measurement to obtain the three-dimensional positioning measurement information, wherein the three-dimensional position measurement information comprises at least one of;

     1) a barometric pressure value of the terminal measured by the terminal, and

     2) an altitude value of the terminal obtained by performing a calculation on the barometric pressure value of the terminal measured by the terminal, and

     3) a value of a motion trail of the terminal measured by the terminal; and

the transceiver is configured to send the three-dimensional positioning measurement information obtained by the processor to the positioning server to enable the positioning server to derive three-dimensional location information of the terminal based on the three-dimensional positioning measurement information.

8. The terminal according to claim 7, wherein

the transceiver is configured to

send the three-dimensional positioning measurement information to the positioning server in response to the transceiver receiving the instruction for acquiring the three-dimensional positioning measurement information sent by the positioning server;

or

send the three-dimensional positioning measurement information to the positioning server according to a preset reporting period.

9. A method for positioning a terminal, performed by a positioning server comprising a processor and a transceiver, the method comprising:

sending, by the transceiver, three-dimensional positioning capability request information to the terminal; and

receiving, by the transceiver, three-dimensional positioning capability information of the terminal from the terminal in response to the three-dimensional positioning capability request information, wherein the three-dimensional positioning capability information of the terminal comprises a three-dimensional measurement capability of the terminal;

sending, by the transceiver, an instruction to instruct the terminal to acquire three-dimensional positioning measurement information;

receiving, by the transceiver, the three-dimensional positioning measurement information sent by the terminal, wherein the three-dimensional positioning measurement information comprises a value of a motion trail of the terminal measured by the terminal; and

deriving, by the processor, three-dimensional location information of the terminal based on the three-dimensional positioning measurement information,

wherein deriving, by the processor, the three-dimensional location information of the terminal based on the three-dimensional positioning measurement information comprises;

deriving the three-dimensional location information of the terminal based on the three-dimensional displacement information of the terminal and information about the reference point.

10. The method for positioning the terminal according to claim 9, wherein the method further comprises:

determining, by the processor, the three-dimensional positioning measurement information based on the three-dimensional positioning capability information of the terminal.

11. A positioning server, comprising a processor and a transceiver, wherein

the transceiver is configured to send three-dimensional positioning capability request information to a terminal;

the transceiver is configured to receive three-dimensional positioning capability information of the terminal from the terminal in response to the three-dimensional positioning capability request information, wherein the three-dimensional positioning capability information of the terminal comprises a three-dimensional measurement capability of the terminal;

the processor is configured to instruct the transceiver to send to the terminal an instruction for acquiring three-dimensional positioning measurement information;

the transceiver is configured to receive the three-dimensional positioning measurement information sent by the terminal, wherein the three-dimensional positioning measurement information comprises a value of a motion trail of the terminal measured by the terminal; and

the processor is configured to derive three-dimensional location information of the terminal based on the three-dimensional displacement information of the terminal and information about the reference point.