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Communication method and related equipment

A communication method and terminal equipment technology, applied in wireless communication, vehicle wireless communication service, communication between vehicles and infrastructure, etc., can solve problems such as inability to maintain business continuity, affect communication quality and communication efficiency, etc.

Active Publication Date: 2021-08-31
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The service network element can communicate with the UE through the RSU. During the communication process between the service network element and the UE, if the UE moves from the coverage of one RSU to the coverage of another RSU, the continuity of the service cannot be maintained, which will affect the communication quality and communication efficiency

Method used

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  • Communication method and related equipment
  • Communication method and related equipment
  • Communication method and related equipment

Examples

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Embodiment Construction

[0040]Embodiments of the present application are described below with reference to the drawings in the embodiments of the present application.

[0041] See figure 1 , figure 1 It is a schematic structural diagram of a communication system provided by an embodiment of the present application, the communication system includes a global navigation satellite system (global navigation satellite system, GNSS), a service network element, a public key infrastructure (public key infrastructure, PKI) system, a road side unit (road side unit, RSU) or user equipment (user equipment, UE). Among them, GNSS is mainly used to provide synchronization source for RSU and UE. The service network element can be a logical entity or an independent single or multiple hardware entities, and is used to realize the processing on the network side of the vehicle-road coordination system. The service network element is connected to the RSU through the transmission network, can receive the road condition...

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Abstract

Provided in an embodiment of the present application are a communication method and related device, comprising: a service network element acquiring first location information of each of M roadside units (RSUs), M being an integer greater than or equal to 1; receiving a first message sent by each RSU in N RSUs, wherein the N RSUs are RSUs which receive a second message sent by a terminal device in the M RSUs, the first message comprises moving position information of the terminal device, and N is an integer greater than or equal to 1 and less than or equal to M; according to the first position information and the moving position information, K RSUs sending a third message to the terminal equipment are selected from the M RSUs, and K is an integer larger than or equal to 1 and smaller than or equal to M. According to the invention, the continuity of the communication link is maintained, and the communication quality and the communication efficiency are improved.

Description

technical field [0001] The present application relates to the technical field of wireless networks, and in particular to a communication method and related equipment. Background technique [0002] The air interface of the cellular-vehicle to everything (C-V2X) system includes a Uu interface and a PC5 interface. Wherein, the Uu interface is a traditional cellular communication interface, which is used for a roadside unit (road side unit, RSU) or user equipment (user equipment, UE) to communicate with a cellular communication system. The PC5 interface is a direct communication interface between the RSU and the UE, and the PC5 interface direct communication supports broadcast mode and unicast mode. The service network element can communicate with the UE through the RSU. During the communication process between the service network element and the UE, if the UE moves from the coverage of one RSU to the coverage of another RSU, the continuity of the service cannot be maintained, ...

Claims

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Application Information

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IPC IPC(8): H04W4/02H04W4/021H04W4/44H04W12/03H04W12/041H04W36/18H04W36/32
CPCH04W4/021H04W4/023H04W4/025H04W4/026H04W4/027H04W4/44H04W36/18H04W36/32
Inventor 徐生杰
Owner HUAWEI TECH CO LTD