A message forwarding method and device

A message forwarding and message technology, which is applied in the field of communication, can solve problems such as wasting system resources and low message forwarding efficiency, and achieve the effects of saving system resources, improving message forwarding efficiency, and reducing routing time

Active Publication Date: 2019-08-20
NEUSOFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the technical problems of low message forwarding efficiency and waste of system resources in the prior art, the present invention provides a message forwarding method and device, which improves message forwarding efficiency, reduces routing time, and saves system resources

Method used

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  • A message forwarding method and device
  • A message forwarding method and device
  • A message forwarding method and device

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Experimental program
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Embodiment 1

[0060] see figure 1 , which is a flow chart of Embodiment 1 of a message forwarding method provided by the present invention.

[0061] The message forwarding method provided by this embodiment includes the following steps:

[0062] Step S101: Obtain the message to be forwarded by the current node and the neighbor nodes of the current node.

[0063] In VANET, each vehicle with communication equipment is each node. With the current node as the center, nodes located within the communication radius of the communication device of the current node are called neighbor nodes of the current node.

[0064] Usually, each node will periodically send a notification message (such as a HELLO message) to a neighbor node, and correspondingly, it will also receive a notification message sent by its neighbor node, and the notification message includes the ID of the neighbor node , position information, speed, motion direction azimuth, working channel and other information, see Table 1, which ...

Embodiment 2

[0076] see figure 2 , which is a flow chart of Embodiment 2 of a message forwarding method provided by the present invention.

[0077] The message forwarding method provided by this embodiment includes the following steps:

[0078] Step S201: Obtain a message to be forwarded by the current node, and the message carries a message expiration time.

[0079] Step S202: Determine whether the current time exceeds the message expiration time, if not, execute step S203.

[0080] In this embodiment, if the current time exceeds the expiration time of the message, it means that the message is invalid, and the message may not be processed at this time, or may be discarded directly; if the current time does not exceed the expiration time of the message time, it means that the message is valid and should be forwarded to the next hop node.

[0081] Step S203: Obtain the neighbor nodes of the current node.

[0082] In order to prevent the next hop node selected in the following steps fro...

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Abstract

The embodiments of the invention disclose a message forwarding method. The method comprises the following steps: obtaining a message which a current node needs to forward and neighbor nodes of the current node; selecting neighbor nodes which have the same service channel as the current node from the neighbor nodes to form a sub neighbor node set; selecting one neighbor node from the sub neighbor node set as a node of a next hop; and forwarding the message to the node of the next hop from the current node. The embodiments of the invention also disclose a message forwarding apparatus. According to the invention, the message forwarding efficiency is improved, the route time is reduced, and the system resources are saved.

Description

technical field [0001] The present invention relates to the communication field, in particular to a message forwarding method and device. Background technique [0002] With the increase of global car ownership, the aggravation of road congestion and the frequent occurrence of traffic safety accidents, Vehicular Ad-Hoc Networks (VANET, hereinafter referred to as VANET) as an intelligent traffic system (Intelligent Traffic System) , referred to as ITS) has aroused great interest in academia and industry. In VANET, the existence and related status information of surrounding vehicles can be sensed through vehicle-to-vehicle communication, and potential dangers can be prevented accordingly. Therefore, communication Timeliness is the top priority and is directly related to the safety of vehicles and personnel. [0003] In the workshop network included in the vehicle ad hoc network, each node in the workshop network is composed of vehicles. Because the vehicle has the characterist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/12H04W40/02H04W84/18
Inventor 张珠华杨明张骞张翼柳扬
Owner NEUSOFT CORP
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