Method, device and system for positioning terminal

1. A positioning method, the method comprising:

receiving, by a terminal, a capability request message from a positioning server, the capability request message including three-dimensional positioning capability request information for the terminal;

sending, by the terminal, a capability report message to the positioning server, the capability report message including three-dimensional positioning capability information of the terminal, 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 terminal, an instruction from the positioning server for acquiring three-dimensional positioning measurement information of the terminal; and

sending, by the terminal, the three-dimensional positioning measurement information of the terminal to the positioning server, wherein the three-dimensional positioning measurement information of the terminal comprises:

1) a barometric pressure value of the terminal,

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

3) a value of a motion trail of the terminal.

2. The positioning method according to claim 1 , further comprising:

receiving, by the terminal, a LTE Positioning Protocol (LPP) positioning identifier (ID), wherein the LPP positioning ID is an identifier of a positioning process.

3. The method according to claim 1 , wherein the sending, by the terminal, the capability report message comprises:

sending, by the terminal, the capability report message including the three-dimensional positioning measurement information of the terminal to the positioning server in response to the instruction; or

sending, by the terminal, the capability report message including the three-dimensional positioning measurement information of the terminal to the positioning server according to a preset reporting period.

4. The positioning method according to claim 1 , wherein the method further comprises:

sending, by the terminal, three-dimensional positioning measurement failure information to the positioning server in response to the terminal failing to obtain the three-dimensional positioning measurement information of the terminal.

5. An apparatus, comprising a processor and a transceiver, wherein the processor controls the transceiver to:

receive a capability request message from a positioning server, the capability request message including three-dimensional positioning capability request information of the apparatus;

send a capability report message to the positioning server, the capability report message including three-dimensional positioning capability information of the apparatus wherein the three-dimensional positioning capability information of the apparatus comprises an altitude measurement capability of the apparatus or a three-dimensional measurement capability of the apparatus;

receive an instruction from the positioning server for acquiring three-dimensional positioning measurement information of the apparatus; and

send the three-dimensional positioning measurement information of the apparatus to the positioning server, wherein the three-dimensional positioning measurement information of the apparatus comprises:

1) a barometric pressure value of the apparatus,

2) an altitude value of the apparatus obtained by performing a calculation on the barometric pressure value of the apparatus, or

3) a value of a motion trail of the apparatus.

6. The apparatus according to claim 5 , wherein the processor further controls the transceiver to receive a LTE Positioning Protocol (LPP) positioning identifier (ID), and wherein the LPP positioning ID is an identifier of a positioning process.

7. The apparatus according to claim 5 , wherein the processor further controls the transceiver to

send the capability report message including the three-dimensional positioning measurement information of the apparatus to the positioning server in response to the instruction; or

send the capability report message including the three-dimensional positioning measurement information of the apparatus to the positioning server according to a preset reporting period.

8. The apparatus according to claim 5 , wherein the transceiver is further configured to send three-dimensional positioning measurement failure information to the positioning server in response to the apparatus failing to obtain the three-dimensional positioning measurement information of the apparatus.

9. The apparatus according to claim 5 , wherein the apparatus is a terminal device.

10. A non-transitory computer readable storage medium, comprising computer program codes which, when executed by a processor, causes the processor to execute steps comprising:

receiving a capability request message from a positioning server, the capability request message including three-dimensional positioning capability request information for a terminal;

sending a capability report message to the positioning server, the capability report message including three-dimensional positioning capability information of the terminal, 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, an instruction from the positioning server for acquiring three-dimensional positioning measurement information of the terminal; and

sending the three-dimensional positioning measurement information of the terminal to the positioning server, wherein the three-dimensional positioning measurement information of the terminal comprises:

1) a barometric pressure value of the terminal,

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

3) a value of a motion trail of the terminal.

11. The non-transitory computer readable storage medium according to claim 10 , further comprising computer program codes which, when executed by the processor, causes the processor to execute steps further comprising:

receiving a LTE Positioning Protocol (LPP) positioning identifier (ID), wherein the LPP positioning ID is an identifier of a positioning process.

12. The non-transitory computer readable storage medium according to claim 10 , wherein the capability report message comprises:

sending the capability report message including the three-dimensional positioning measurement information of the terminal to the positioning server in response to the instruction; or

sending the capability report message including the three-dimensional positioning measurement information of the terminal to the positioning server according to a preset reporting period.

13. The non-transitory computer readable storage medium according to claim 10 , further comprising computer program codes which, when executed by the processor, causes the processor to execute steps further comprising:

sending three-dimensional positioning measurement failure information to the positioning server in response to the terminal failing to obtain the three-dimensional positioning measurement information of the terminal.