US 10,455,538 B2Granted

Positioning method, positioning server, and terminal

AssigneeHuawei Technologies Co., Ltd.

InventorMingjie Dong

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Abstract

A positioning method, which includes: receiving, by the positioning server, a positioning request message sent by a to-be-positioned terminal, where the positioning request message is used to trigger the positioning server to position the to-be-positioned terminal; obtaining position information and reliability verification information that are of a neighboring terminal of the to-be-positioned terminal; determining reliability of the position information of the neighboring terminal according to the reliability verification information, where the reliability indicates precision of the position information of the neighboring terminal; determining position information of the to-be-positioned terminal according to the position information of the neighboring terminal and the reliability; and sending the position information of the to-be-positioned terminal to the to-be-positioned terminal. A positioning server and a terminal are also included in the present invention.

Claims16

Dependent claims

A positioning method, comprising:

receiving, by a positioning server, a positioning request message sent by a to-be-positioned terminal, wherein the positioning request message is for triggering the positioning server to position the to-be-positioned terminal;
sending, by the positioning server, a positioning scanning request message to a neighboring terminal of the to-be-positioned terminal;
receiving, by the positioning server, a scanning report message sent by the neighboring terminal, wherein the scanning report message is generated after the neighboring terminal receives the positioning scanning request message, and the scanning report message carries a received signal strength indicator (RSSI) value of a positioning message and position information and reliability verification information of the neighboring terminal, wherein the positioning message is sent from the to-be-positioned terminal to the neighboring terminal, and the positioning message carries an identity of the to-be-positioned terminal;
obtaining, by the positioning server, the RSSI value of the positioning message according to the scanning report message;
obtaining, by the positioning server according to the scanning report message, the position information and the reliability verification information of the neighboring terminal;
determining, by the positioning server, reliability of the position information of the neighboring terminal according to the reliability verification information, wherein the reliability indicates precision of the position information of the neighboring terminal;
determining, by the positioning server, position information of the to-be-positioned terminal according to the RSSI value of the positioning message, the position information of the neighboring terminal, and the reliability;
and
sending, by the positioning server, the position information of the to-be-positioned terminal to the to-be-positioned terminal.

6 more elements

A positioning method comprising:

receiving, by a positioning server, a positioning request message sent by a to-be-positioned terminal, wherein the positioning request message is used to trigger the positioning server to position the to-be-positioned terminal;
sending, by the positioning server, a positioning scanning request message to a neighboring terminal, wherein the positioning scanning request message is for instructing the neighboring terminal to send a broadcast message, and the broadcast message carries position information of the neighboring terminal and reliability verification information of the neighboring terminal;
receiving, by the positioning server, a reporting message sent by the to-be-positioned terminal, wherein the reporting message is generated by the to-be-positioned terminal according to the broadcast message and a received signal strength indicator (RSSI) value of the broadcast message, and the reporting message carries the position information of the neighboring terminal, the reliability verification information of the neighboring terminal, and the RSSI value of the broadcast message;
obtaining, by the positioning server, the RSSI value of the broadcast message according to the reporting message;
obtaining, by the positioning server according to the reporting message, the position information and the reliability verification information of the neighboring terminal;
determining, by the positioning server, reliability of the position information of the neighboring terminal according to the reliability verification information, wherein the reliability indicates precision of the position information of the neighboring terminal;
determining, by the positioning server, position information of the to-be-positioned terminal according to the RSSI value of the broadcast message, the position information of the neighboring terminal, and the reliability;
and
sending, by the positioning server, the position information of the to-be-positioned terminal to the to-be-positioned terminal.

6 more elements

A positioning server, comprising:

a transceiver configured to:
receive a positioning request message sent by a to-be-positioned terminal, wherein the positioning request message is for triggering the positioning server to position the to-be-positioned terminal;
send a positioning scanning request message to a neighboring terminal of the to-be-positioned terminal;
and
receive a scanning report message sent by the neighboring terminal, wherein the scanning report message is generated after the neighboring terminal receives the positioning scanning request message, and the scanning report message carries a received signal strength indicator (RSSI) value of a positioning message and position information and reliability verification information of the neighboring terminal, wherein the positioning message is sent from the to-be-positioned terminal to the neighboring terminal, and the positioning message carries an identity of the to-be-positioned terminal;
and
a processor configured to:
obtain the RSSI value of the positioning message according to the scanning report message;
obtain, according to the scanning report message, the position information and the reliability verification information of the neighboring terminal;
determine reliability of the position information of the neighboring terminal according to the reliability verification information, wherein the reliability indicates precision of the position information of the neighboring terminal;
determine position information of the to-be-positioned terminal according to the RSSI value of the positioning message, the position information of the neighboring terminal, and the reliability;
and
wherein the transceiver is further configured to send the position information of the to-be-positioned terminal to the to-be-positioned terminal.

10 more elements

A positioning server comprising:

a transceiver configured to:
receive a positioning request message sent by a to-be-positioned terminal, wherein the positioning request message is used to trigger the positioning server to position the to-be-positioned terminal;
send a positioning scanning request message to a neighboring terminal, wherein the positioning scanning request message is for instructing the neighboring terminal to send a broadcast message, and the broadcast message carries position information of the neighboring terminal and reliability verification information of the neighboring terminal;
and
receive a reporting message sent by the to-be-positioned terminal, wherein the reporting message is generated by the to-be-positioned terminal according to the broadcast message and received signal strength indicator (RSSI) value of the broadcast message, and the reporting message carries the position information of the neighboring terminal, the reliability verification information of the neighboring terminal, and the RSSI value of the broadcast message;
a processor configured to:
obtain the RSSI value of the broadcast message according to the reporting message;
obtain, according to the reporting message, the position information and the reliability verification information of the neighboring terminal;
determine reliability of the position information of the neighboring terminal according to the reliability verification information, wherein the reliability indicates precision of the position information of the neighboring terminal;
and
determine position information of the to-be-positioned terminal according to the RSSI value of the broadcast message, the position information of the neighboring terminal, and the reliability;
and
wherein the transceiver is further configured to send the position information of the to-be-positioned terminal to the to-be-positioned terminal.

10 more elements

A terminal, comprising:

a transceiver configured to:
send a positioning request message to a positioning server, to trigger the positioning server to determine position information of the terminal according to position information and reliability verification information that are of a neighboring terminal of the terminal, wherein the reliability verification information enables the positioning server to determine reliability of the position information of the neighboring terminal, and the reliability indicates precision of the position information of the neighboring terminal;
and
receive a broadcast message sent by the neighboring terminal, wherein the broadcast message carries the position information of the neighboring terminal and the reliability verification information of the neighboring terminal;
a processor configured to:
determine a received signal strength indicator (RSSI) value of the broadcast message;
and
generate a reporting message according to the broadcast message and the RSSI value of the broadcast message, wherein the reporting message carries the position information of the neighboring terminal, the reliability verification information of the neighboring terminal, and the RSSI value of the broadcast message;
and
wherein the transceiver is further configured to:
send the reporting message to the positioning server, to trigger the positioning server to determine the position information of the terminal according to the reporting message;
and
receive the position information that is of the terminal and sent by the positioning server.

10 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/481,778Filed 7 Apr 2017 · continuation
Priority: CN 2014 1 053148210 Oct 2014
Published: US 2017/0215168 A127 Jul 2017
Granted: 22 Oct 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

H04W 64/006
Locating users or terminals or network equipment for network management purposes, e.g. mobility management: with additional information…
G01S 5/0027
Transmission from mobile station to base station: of actual mobile position, i.e. position determined on mobile
G01S 5/0244
Details: accuracy or reliability of position solution or of measurements contributing thereto
H04B 17/27
Of receivers: for locating or positioning the transmitter

Family

PCT/CN2015/091511Parent of this continuation · filed 9 Oct 2015
US 2017/0215168 A1Pre-grant publication · published 27 Jul 2017
US 10,455,538 B2This patent

From the US filing history. Foreign family members aren’t listed.

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