Positioning apparatus and method

Patent metadata

Field	Value
Publication number	US-10425911-B2
Application number	US-201816056225-A
Country	US
Kind code	B2
Filing date	Aug 6, 2018
Priority date	Mar 19, 2014
Publication date	Sep 24, 2019
Grant date	Sep 24, 2019

Abstract

The present invention discloses a positioning apparatus and method. In embodiments of the present invention, a sending module sends auxiliary data information to a terminal, where the auxiliary data information is information required by the terminal to perform measurement on positioning nodes, where the auxiliary data information includes positioning node index numbers of the positioning nodes; a receiving module receives a positioning measurement result sent by the terminal, and provides the positioning measurement result to a positioning module, where the positioning measurement result includes a positioning measurement result corresponding to each positioning node index number, or a positioning measurement result that a reference positioning node index number separately corresponds to other positioning node index numbers; and the positioning module determines a location of the terminal by using the positioning measurement result.

First claim

What is claimed is:

1. A positioning apparatus, comprising:
a memory, configured to store information that comprises a program instruction;
a transceiver, configured to:
send auxiliary data information to a terminal for enabling the terminal to perform a reference signal time difference (RSTD) measurement on each positioning node of a same cell, wherein the auxiliary data information comprises an identity of the each positioning node of the same cell, the identity is configured to distinguish different positioning nodes belong to the same cell, and
receive an RSTD measurement result sent by the terminal; and

a processor coupled to the transceiver and to the memory, and configured to control execution of the program instruction, and configured to determine a location of the terminal by a predetermined algorithm and the received RSTD measurement result.

2. The positioning apparatus according to claim 1 , wherein the auxiliary data information further comprises:
reference signal information of the each positioning node of the same cell and a correspondence between the identity of each positioning node and the reference signal information, and wherein the reference signal information of the each positioning node of the same cell comprises at least one of:
reference signal sending bandwidth;
reference signal sending time;
reference signal subframe quantity;
reference signal frequency information; or
reference signal muting information.

3. A terminal, comprising:
a memory, configured to store information that comprises a program instruction;
a transceiver, configured to:
receive auxiliary data information sent by a network-side device, wherein the auxiliary data information comprises an identity of each positioning node of a same cell, the identity is configured to distinguish different positioning nodes belong to the same cell;

a processor coupled to the transceiver, and configured to:
perform, by using the auxiliary data information, a reference signal time difference (RSTD) measurement on a reference signal sent by the each positioning node of the same cell, to obtain a RSTD measurement result; and

wherein the transceiver is further configured to send the RSTD measurement result to the network-side device.

4. The terminal according to claim 3 , wherein the auxiliary data information further comprises:
reference signal information of the each positioning node of the same cell and a correspondence between the identity of the each positioning node of the same cell and the reference signal information, wherein the reference signal information of the each positioning node of the same cell comprises at least one of:
reference signal sending bandwidth;
reference signal sending time;
reference signal subframe quantity;
reference signal frequency information; or
reference signal muting information.

5. The terminal according to claim 4 , wherein:
the transceiver is further configured to:
receive, by using the auxiliary data information, the reference signal sent by the each positioning node of the same cell; and

the processor is further configured to:
determine, by using the correspondence between the identities and the reference signal information, the identity corresponding to each reference signal.

6. A positioning method, comprising:
sending, by a network-side device, auxiliary data information to a terminal for enabling the terminal to perform a reference signal time difference (RSTD) measurement on each positioning node of a same cell, and the auxiliary data information comprises an identity of the each positioning node of the same cell, the identity is configured to distinguish different positioning nodes belonging to the same cell;
receiving, by the network-side device, an RSTD measurement result sent by the terminal; and
determining, by the network-side device, a location of the terminal by a predetermined algorithm and the received RSTD measurement result.

7. The positioning method according to claim 6 , wherein the auxiliary data information further comprises:
reference signal information of the each positioning node of the same cell and a correspondence between the identity of the each positioning node of the same cell and the reference signal information, wherein the reference signal information of the each positioning node of the same cell comprises at least one of:
reference signal sending bandwidth;
reference signal sending time;
reference signal subframe quantity;
reference signal frequency information; or
reference signal muting information.

8. A positioning method, comprising:
receiving, by a terminal, auxiliary data information sent by a network-side device, wherein the auxiliary data information comprises an identity of each positioning node of a same cell, the identity is configured to distinguish different positioning nodes belonging the a same cell;
performing, by the terminal by using the auxiliary data information, a reference signal time difference (RSTD) measurement on reference signals sent by the each positioning node of the same cell, to obtain an RSTD result; and
sending, by the terminal, the RSTD measurement result to the network-side device.

9. The positioning method according to claim 8 , wherein the auxiliary data information further comprises:
reference signal information of the each positioning node of the same cell and a correspondence between the identity of the positioning node and the reference signal information, wherein the reference signal information of the each positioning node of the same cell comprises at least one of:
reference signal sending bandwidth;
reference signal sending time;
reference signal subframe quantity;
reference signal frequency information; or
reference signal muting information.

10. The positioning method according to claim 9 , wherein before performing, by the terminal by using the auxiliary data information, the RSTD measurement on the reference signal sent by the each positioning node of the same cell, to obtain the RSTD measurement result, the method further comprises:
receiving, by the terminal by using the auxiliary data information, the reference signal sent by the each positioning node of the same cell; and
determining, by the terminal by using the correspondence between the identity and the reference signal information, the identity corresponding to the reference signal.

11. A non-transitory computer-readable storage medium comprising instructions which, when executed by a computer, cause the computer to:
receive auxiliary data information sent by a network-side device, wherein the auxiliary data information comprises an identity of each positioning node of a same cell, the identity is configured to distinguish different positioning nodes belonging to the same cell;
perform, by using the auxiliary data information, a reference signal time difference (RSTD) measurement on a reference signal sent by the each positioning node of the same cell, to obtain a RSTD measurement result; and
send the RSTD measurement result to the network-side device.

12. The medium according to claim 11 , wherein the auxiliary data information further comprises:
reference signal information of the each positioning node of the same cell and a correspondence between the identity of the each positioning node of the same cell and the reference signal information, wherein the reference signal information of the each positioning node of the same cell comprises at least one of:
reference signal sending bandwidth;
reference signal sending time;
reference signal subframe quantity;
reference signal frequency information; or
reference signal muting information.

Assignees

• Huawei Tech Co Ltd

Inventors

• Cui Jie
• Li Anjian

Classifications

• G01S5/10

  Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements {, e.g. omega or decca systems}(G01S5/12 takes precedence {; beacons and receivers cooperating therewith G01S1/306, G01S1/308}) · CPC title

• G01S5/0236

  Assistance data, e.g. base station almanac · CPC title

• G01S5/0027

  of actual mobile position, i.e. position determined on mobile · CPC title

• H04W64/00 Primary

  Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management · CPC title

• G01S5/0063

  of measured values, i.e. measurement on base station and position calculation on mobile · CPC title