POSITIONING METHOD, APPARATUS, AND SYSTEM

• US 20150304877A1
• Filed: 07/01/2015
• Published: 10/22/2015
• Est. Priority Date: 01/04/2013
• 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: XIAO, Dengkun, CUI, Jie, LI, Hong, ZHU, Jiangbo, YASIR, Mir
• Granted Patent: US 9,801,088 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G01S 5/0018 Transmission from mobile station to base station
• CPC Class Codes: G01S 5/0036 of measured values, i.e. measurement on mobile and position calculation on base station
• CPC Class Codes: G01S 5/0063 of measured values, i.e. measurement on base station and position calculation on mobile
• CPC Class Codes: G01S 5/021 Calibration, monitoring or correction G01S5/0252 takes precedence
• CPC Class Codes: G01S 5/0236 Assistance data, e.g. base station almanac
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management
• CPC Class Codes: H04W 64/003 locating network equipment
• CPC Class Codes: H04W 88/02 Terminal devices
• CPC Class Codes: H04W 88/08 Access point devices

Abstract

Embodiments of the present invention relate to the field of communications, and provide a positioning method, apparatus, and system, so as to improve positioning precision. The method includes: determining, by a server, a positioning measurement parameter, and generating measurement configuration information carrying the positioning measurement parameter, where the positioning measurement parameter is a parameter that the server requests a terminal to measure and is used to position the terminal; sending, by the server, the measurement configuration information to the terminal through a base station; receiving, by the server through the base station, configuration response information returned by the terminal, where the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter; and positioning, by the server, the terminal according to the positioning response parameter carried in the configuration response information.

Claims

1. A server, comprising:

a processing unit, configured to determine a positioning measurement parameter, generate measurement configuration information carrying the positioning measurement parameter, and send the measurement configuration information to a terminal through a sending unit, wherein the positioning measurement parameter is a parameter that the server requests the terminal to measure and is used to position the terminal, and the positioning measurement parameter comprises at least one of the following parameters or parameter combinations;

a precoding matrix indicator (PMI)/rank indicator (RI) characteristic and the number of multiple paths of the terminal, a handover failure rate measured by the terminal, a radio link failure rate measured by the terminal, a signal to interference plus noise ratio of the terminal, and the number of cells from which the terminal receives strong interference;

the sending unit, configured to send the measurement configuration information generated by the processing unit to the terminal through a base station; and

a receiving unit, configured to receive, through the base station, configuration response information returned by the terminal, wherein the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter, wherein

the processing unit is further configured to position the terminal according to the positioning response parameter carried in the configuration response information received by the receiving unit.

2. The server according to claim 1, wherein,

the processing unit is further configured to send a request message for obtaining scenario information of the terminal to the base station, and obtain the scenario information of the terminal from a response message fed back by the base station;

and

the processing unit being configured to determine a positioning measurement parameter comprises;

determining the positioning measurement parameter according to the obtained scenario information of the terminal.

3. The server according to claim 2, wherein,

the processing unit being configured to determine the positioning measurement parameter according to the obtained scenario information of the terminal comprises at least one of the following:

if the scenario information of the terminal comprises;

carrier aggregation (CA) scenario information, determining a signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal as the positioning measurement parameters;

if the scenario information of the terminal comprises;

coordinated multi-point (CoMP) scenario information, determining the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal as the positioning measurement parameters; and

if the scenario information of the terminal comprises;

minimization of drive tests (MDT) scenario information, determining the handover failure rate measured by the terminal and the radio link failure rate measured by the terminal as the positioning measurement parameters.

4. The server according to claim 3, wherein,

the processing unit being configured to determine the positioning measurement parameter according to the obtained scenario information of the terminal comprises at least one of the following:

if the scenario information of the terminal comprises;

the CA scenario information, further determining the number of carriers used by the terminal and an angle of rotation relative to a true north direction as the positioning measurement parameters, wherein the angle of rotation is measured by a gyroscope of the terminal;

if the scenario information of the terminal comprises;

the CoMP scenario information, further determining the number of measurement access point(s) used by the terminal and signal strength, and the angle of rotation relative to the true north direction as the positioning measurement parameters, wherein the angle of rotation is measured by the gyroscope of the terminal; and

if the scenario information of the terminal comprises;

wide area network (WAN) or wireless fidelity (WiFi) scenario information, further determining the number of access point(s) and access point identification(s) as the positioning measurement parameters, wherein the access point(s) and the access point identification(s) are detected by the terminal.

5. The server according to claim 1, wherein,

the positioning measurement parameter further comprises at least one of the following parameters or parameter combinations:

the number of carriers used by the terminal, the number of measurement access point(s) used by the terminal and signal strength, an angle of rotation relative to a true north direction, and the number of access point(s) and access point identification(s), wherein the angle of rotation is measured by a gyroscope of the terminal, and the access point(s) and the access point identification(s) are detected by the terminal.

6. The server according to claim 1, wherein,

the sending unit is configured to send the measurement configuration information to the base station, so that after receiving the measurement configuration information, the base station generates first measurement configuration information, and sends the first measurement configuration information to a corresponding terminal, wherein the first measurement configuration information is information that is generated according to the positioning measurement parameter by the base station after receiving the measurement configuration information sent by the server and obtaining the positioning measurement parameter by parsing the measurement configuration information, and that requests the terminal to measure the positioning measurement parameter;

and

the first measurement configuration information carries the positioning measurement parameter.

7. The server according to claim 1, wherein,

the processing unit is further configured to save positioning parameter values that correspond to all rasters after a network is rasterized;

and

the processing unit being configured to position the terminal according to the positioning response parameter carried in the configuration response information received by the receiving unit comprises;

comparing the positioning response parameter with the positioning parameter values that correspond to all rasters after a network is rasterized, using a raster with a positioning parameter value closest to the positioning response parameter as a matched raster, and using a position of the matched raster as a position of the terminal.

8. A terminal, comprising:

a receiving unit, configured to obtain measurement configuration information that is sent by a server through a base station, wherein the measurement configuration information carries a positioning measurement parameter, the positioning measurement parameter is a parameter that the server requests the terminal to measure and is used to position the terminal, and the positioning measurement parameter comprises at least one of the following parameters or parameter combinations;

a precoding matrix indicator (PMI)/rank indicator (RI) characteristic and the number of multiple paths of the terminal, a handover failure rate measured by the terminal, a radio link failure rate measured by the terminal, a signal to interference plus noise ratio of the terminal, and the number of cells from which the terminal receives strong interference;

a processing unit, configured to perform measurement according to the positioning measurement parameter carried in the measurement configuration information received by the receiving unit, to obtain a positioning response parameter, and generate configuration response information carrying the positioning response parameter, wherein the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter; and

a sending unit, configured to send the configuration response information generated by the processing unit to the server through the base station, wherein the configuration response information carries the positioning response parameter.

9. The terminal according to claim 8, wherein,

if scenario information of the terminal comprises:

carrier aggregation (CA) scenario information, the positioning measurement parameter received by the receiving unit comprises;

the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal;

or

if scenario information of the terminal comprises;

coordinated multi-point (CoMP) scenario information, the positioning measurement parameter received by the receiving unit comprises;

the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal;

or

if scenario information of the terminal comprises minimization of drive tests (MDT) scenario information, the positioning measurement parameter received by the receiving unit comprises;

the handover failure rate measured by the terminal and the radio link failure rate measured by the terminal.

10. The terminal according to claim 9, wherein,

if the scenario information of the terminal comprises:

the CA scenario information, the positioning measurement parameter received by the receiving unit further comprises;

the number of carriers used by the terminal and an angle of rotation relative to a true north direction, wherein the angle of rotation is measured by a gyroscope of the terminal;

or

if the scenario information of the terminal comprises;

the CoMP scenario information, the positioning measurement parameter received by the receiving unit further comprises;

the number of measurement access point(s) used by the terminal and signal strength, and an angle of rotation relative to a true north direction, wherein the angle of rotation is measured by a gyroscope of the terminal;

or

if the scenario information of the terminal comprises;

wide area network WAN or wireless fidelity WiFi scenario information, the positioning measurement parameter received by the receiving unit further comprises;

the number of access point(s) and access point identification(s), wherein the access point(s) and the access point identification(s) are detected by the terminal.

11. The terminal according to claim 8, wherein the positioning measurement parameter received by the receiving unit further comprises at least one of the following parameters or parameter combinations:

the number of carriers used by the terminal, the number of measurement access point(s) used by the terminal and signal strength, an angle of rotation relative to a true north direction, and the number of access point(s) and access point identification(s), wherein the angle of rotation is measured by a gyroscope of the terminal, and the access point(s) and the access point identification(s) are detected by the terminal.

12. The terminal according to claim 8, wherein,

when the measurement configuration information comprises first measurement configuration information, the receiving unit is configured to receive the first measurement configuration information sent by the base station, wherein the first measurement configuration information is information that is generated according to the positioning measurement parameter by the base station after receiving the measurement configuration information sent by the server and obtaining the positioning measurement parameter by parsing the measurement configuration information, and that requests the terminal to measure the positioning measurement parameter, and the first measurement configuration information carries the positioning measurement parameter;

the configuration response information comprises first configuration response information; and

the sending unit is configured to send the first configuration response information to the base station, so that after receiving the first configuration response information, the base station generates configuration response information to be sent to the server, and sends the configuration response information to the server, wherein the configuration response information carries the positioning response parameter.

13. A base station, comprising:

a receiving unit, configured to receive measurement configuration information sent by a server, wherein the measurement configuration information carries a positioning measurement parameter, the positioning measurement parameter is a parameter that the server requests a terminal to measure and is used to position the terminal, and the positioning measurement parameter comprises at least one of the following parameters or parameter combinations;

a precoding matrix indicator PMI/rank indicator RI characteristic and the number of multiple paths of the terminal, a handover failure rate measured by the terminal, a radio link failure rate measured by the terminal, a signal to interference plus noise ratio of the terminal, and the number of cells from which the terminal receives strong interference; and

a sending unit, configured to send the measurement configuration information received by the receiving unit to the terminal, wherein

the receiving unit is further configured to receive configuration response information sent by the terminal, wherein the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter; and

the sending unit is further configured to send the configuration response information received by the receiving unit to the server, so that the server positions the terminal according to the positioning response parameter.

14. The base station according to claim 13, further comprising:

a processing unit, configured to parse the measurement configuration information received by the receiving unit, to obtain the positioning measurement parameter, wherein

the processing unit is further configured to generate first measurement configuration information, and add the positioning measurement parameter to the first measurement configuration information;

the sending unit being configured to send the measurement configuration information received by the receiving unit to the terminal comprises;

sending the first measurement configuration information generated by the processing unit to the terminal;

the receiving unit being configured to receive configuration response information sent by the terminal comprises;

receiving first configuration response information sent by the terminal, wherein the first configuration response information carries the positioning response parameter;

the processing unit is further configured to parse the first configuration response information received by the receiving unit, to obtain the positioning response parameter;

the processing unit is further configured to generate configuration response information sent to the server, and add the positioning response parameter to the configuration response information; and

the sending unit being configured to send the configuration response information received by the receiving unit to the server comprises;

sending the configuration response information generated by the processing unit to the server.

15. The base station according to claim 13, wherein,

if scenario information of the terminal comprises:

carrier aggregation (CA) scenario information, the positioning measurement parameter received by the receiving unit comprises;

the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal;

or

if scenario information of the terminal comprises;

coordinated multi-point (CoMP) scenario information, the positioning measurement parameter received by the receiving unit comprises;

the signal to interference plus noise ratio of the terminal, the number of cells from which the terminal receives strong interference, and the PMI/RI characteristic and the number of multiple paths of the terminal;

or

if scenario information of the terminal comprises minimization of drive tests (MDT) scenario information, the positioning measurement parameter received by the receiving unit comprises;

the handover failure rate measured by the terminal and the radio link failure rate measured by the terminal.

16. The base station according to claim 15, wherein,

if the scenario information of the terminal comprises:

the CA scenario information, the positioning measurement parameter received by the receiving unit further comprises;

the number of carriers used by the terminal and an angle of rotation relative to a true north direction, wherein the angle of rotation is measured by a gyroscope of the terminal;

or

if the scenario information of the terminal comprises;

the CoMP scenario information, the positioning measurement parameter received by the receiving unit further comprises;

the number of measurement access point(s) used by the terminal and signal strength, and an angle of rotation relative to a true north direction, wherein the angle of rotation is measured by a gyroscope of the terminal;

or

if the scenario information of the terminal comprises;

wide area network (WAN) or wireless fidelity (WiFi) scenario information, the positioning measurement parameter received by the receiving unit further comprises;

the number of access point(s) and access point identification(s), wherein the access point(s) and the access point identification(s) are detected by the terminal.

17. The base station according to claim 13, wherein the positioning measurement parameter received by the receiving unit further comprises at least one of the following parameters or parameter combinations:

the number of carriers used by the terminal, the number of measurement access point(s) used by the terminal and signal strength, an angle of rotation relative to a true north direction, and the number of access point(s) and access point identification(s), wherein the angle of rotation is measured by a gyroscope of the terminal, and the access point(s) and the access point identification(s) are detected by the terminal.

18. A positioning system, comprising:

a server; and

a base station, wherein

the server comprises;

a processing unit, configured to determine a positioning measurement parameter, generate measurement configuration information carrying the positioning measurement parameter, and send the measurement configuration information to a terminal through a sending unit, wherein the positioning measurement parameter is a parameter that the server requests the terminal to measure and is used to position the terminal, and the positioning measurement parameter comprises at least one of the following parameters or parameter combinations;

a precoding matrix indicator (PMI)/rank indicator (RI) characteristic and the number of multiple paths of the terminal, a handover failure rate measured by the terminal, a radio link failure rate measured by the terminal, a signal to interference plus noise ratio of the terminal, and the number of cells from which the terminal receives strong interference;

the sending unit, configured to send the measurement configuration information generated by the processing unit to the terminal through a base station; and

a receiving unit, configured to receive, through the base station, configuration response information returned by the terminal, wherein the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter, wherein

the processing unit is further configured to position the terminal according to the positioning response parameter carried in the configuration response information received by the receiving unit; and

the base station comprises;

a receiving unit, configured to receive the measurement configuration information sent by the server,

a sending unit, configured to send the measurement configuration information received by the receiving unit to the terminal, wherein

the receiving unit is further configured to receive configuration response information sent by the terminal, wherein the configuration response information carries a positioning response parameter, and the positioning response parameter is a measurement result generated after the terminal measures the positioning measurement parameter; and

the sending unit is further configured to send the configuration response information received by the receiving unit to the server.