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Message propagation method and system

A technology of message and response information, applied in the direction of network traffic/resource management, electrical components, wireless communication, etc., can solve the problem of message conflict probability, network congestion, not considering hidden terminals, etc.

Inactive Publication Date: 2017-04-26
NEUSOFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing vehicular network communication technology broadcasts messages in a flooding manner, which easily causes network congestion
In addition, because the existing vehicle network communication technology does not consider the problem of hidden terminals, it is easy to increase the probability of message collision

Method used

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  • Message propagation method and system

Examples

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Embodiment Construction

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.

[0019] figure 1 It is a schematic flowchart of a message dissemination method proposed by an embodiment of the present invention.

[0020] Such as figure 1 As shown, the message dissemination method includes the following steps:

[0021] S11: The source node generates a message, and broadcasts the message based on a preset wireless network protocol.

[0022] Wh...

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Abstract

The invention proposes a message propagation method and system, and the method comprises the steps that a source node generates a message, and broadcasts the message based on a preset wireless network protocol, wherein the message comprises the navigation direction information and position information of the source node; the source node judges whether first response information returned by a first node is received or not; the first node returning the first response information is determined as a first jump relay node if the source node receives the first response information, so as to enable the first relay node to continue to broadcast the message. The method can reduce the message propagation quantity, and reduce the probability of channel congestion and information conflict.

Description

technical field [0001] The present invention relates to the technical field of vehicle communication, in particular to a method and system for disseminating messages. Background technique [0002] With the development of smart transportation, V2X (Vehicle to X, vehicle to the outside world) technology, as a key technology of smart transportation, has also received more and more attention. The vehicle-to-vehicle network based on V2X technology can realize communication between vehicles, vehicles and base stations, and base stations to broadcast traffic information. For example, when the vehicle detects dangerous situations such as road construction and landslides ahead, the vehicle needs to send emergency safety messages to surrounding vehicles to remind surrounding vehicles of danger ahead, thereby reducing the occurrence of traffic accidents. [0003] Existing vehicular network communication technologies usually use multi-hop broadcasting to realize message dissemination, ...

Claims

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Application Information

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IPC IPC(8): H04W24/04H04W28/02
CPCH04W28/0289H04W24/04
Inventor 张骞
Owner NEUSOFT CORP
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