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Position determination method and device and Internet-of-Vehicles equipment

A technology for determining methods and equipment, applied in location information-based services, network planning, vehicle components, etc., can solve problems such as poor coverage of GNSS signals and inability to perform positioning and positioning errors

Active Publication Date: 2021-01-08
DATANG GOHIGH INTELLIGENT & CONNECTED TECH (CHONGQING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a position determination method, device and Internet of Vehicles equipment, which solves the problem in the prior art that positioning cannot be performed or the positioning error is large in areas with poor GNSS signal coverage or no GNSS signal coverage

Method used

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  • Position determination method and device and Internet-of-Vehicles equipment
  • Position determination method and device and Internet-of-Vehicles equipment
  • Position determination method and device and Internet-of-Vehicles equipment

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0169] Such as figure 1 As shown, the embodiment of the present invention provides a method for determining a position, which is applied to a first device, wherein the first device may be an Internet of Vehicles device, including but not limited to: Road Side Unit (Road Side Unit, RSU), base station Devices with fixed locations such as gNB. The method specifically includes the following steps:

[0170] Step 11: Periodically broadcast the first positioning reference signal PRS;

[0171] Wherein, broadcasting the first PRS periodically or broadcasting the first PRS semi-persistently and periodically includes: broadcasting the first PRS when receiving the PRS sent by the second Internet of Vehicles device; or broadcasting the first PRS according to server configuration Or the network side configures or pre-configures to broadcast the first PRS; or broadcasts the first PRS when a positioning request sent by the second Internet of Vehicles device or the positioning server is rece...

no. 2 example

[0260] Such as Figure 4 As shown, the second embodiment of the present invention provides a location determination method applied to a second device, wherein the second device may be an Internet of Vehicles device, including but not limited to: On board Unit (OBU), Mobile terminals such as handheld devices VRU. Specifically, the method includes the following steps:

[0261] Step 21: When receiving the first PRS broadcast by the first device, sending the second PRS to the first device;

[0262] Wherein, the first PRS broadcast by the first device is broadcast periodically.

[0263] Further, when sending the second PRS to the first device, at least one of the following information is carried:

[0264] an identity of the second device;

[0265] the identity of the first device;

[0266] first PRS sequence information;

[0267] The location of the first PRS sending resource;

[0268] The resource index sent by the first PRS;

[0269] The number N of time domain resources ...

no. 3 example

[0421] Such as Figure 6 As shown, the embodiment of the present invention provides a location determination apparatus 600, which is applied to the first device, including:

[0422] The first sending module 601 is configured to periodically broadcast the first positioning reference signal PRS;

[0423] A first receiving module 602, configured to receive a second PRS fed back by the second device according to the first PRS;

[0424] The second sending module 603 is configured to send a third PRS to the second device according to the second PRS;

[0425] Wherein, the second device performs location determination according to the first PRS, the second PRS, and the third PRS.

[0426] Optionally, when the first PRS is broadcast, at least one of the following information is carried:

[0427] the identity of the first device;

[0428] The sending cycle of the first PRS;

[0429] a time-frequency location of resources used to broadcast the first PRS;

[0430] location informati...

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PUM

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Abstract

The invention provides a position determination method and device and Internet-of-Vehicles equipment. The method is applied to first equipment and comprises the following steps: periodically broadcasting a first positioning reference signal PRS; receiving a second PRS fed back by second equipment according to the first PRS; and sending a third PRS to the second equipment according to the second PRS, wherein the second equipment carries out position determination according to the first PRS, the second PRS and the third PRS. According to the scheme provided by the invention, the second equipmentcan be positioned through the first PRS, the second PRS and the third PRS, and the problem that the second equipment cannot be positioned or the positioning error is large in an area with poor GNSS signal coverage or without GNSS signal coverage is solved.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method and device for determining a location, and an Internet of Vehicles device. Background technique [0002] At present, V2X (Vehicle-to-Everything, vehicle-to-everything) technology is continuously receiving support from the ecosystem. C-V2X (C stands for Cellular) is a car networking technology based on cellular networks, which enables vehicles to interact with other vehicles and infrastructure around them. Communicating with facilities, etc. and sharing real-time road information is the key to achieving road traffic safety and leading to autonomous driving. C-V2X includes LTE-V2X and NR-V2X, supports direct link and cellular network downlink communication, C-V2X equipment can communicate with the base station within the coverage of the cellular network signal; within and outside the coverage of the cellular network signal , C-V2X can communicate through ...

Claims

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Application Information

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IPC IPC(8): H04W4/02H04W4/40H04W16/10H04W28/02
CPCH04W4/40H04W4/02H04W16/10H04W28/0231H04W40/20G01S13/765H04W64/00H04L5/0048H04W92/18H04W84/005H04W40/244H04W4/44H04W4/023H04W4/025H04W72/0446H04W72/1263H04W72/25H04W72/542H04W24/08
Inventor 赵锐
Owner DATANG GOHIGH INTELLIGENT & CONNECTED TECH (CHONGQING) CO LTD
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