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Method and device for distributing multi-hop data in wireless ad hoc network

A wireless ad hoc network and distribution device technology, applied in the field of communications, can solve the problems of low forwarding rate, repeated broadcast of multi-hop broadcast data, etc., and achieve the effects of avoiding repeated broadcasts, improving forwarding efficiency, and reducing the number of replays.

Active Publication Date: 2019-01-25
BEIJING RUNKE GENERAL TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] In view of this, the present invention provides a method and device for distributing multi-hop data in wireless ad hoc networks to improve the problems of repeated broadcast and low forwarding rate of multi-hop broadcast data in the prior art

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  • Method and device for distributing multi-hop data in wireless ad hoc network
  • Method and device for distributing multi-hop data in wireless ad hoc network
  • Method and device for distributing multi-hop data in wireless ad hoc network

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Embodiment Construction

[0060] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0061] figure 1 For the flow chart of the method for distributing multi-hop data in the wireless ad hoc network disclosed in the embodiment of the present invention, see figure 1 As shown, the distribution method of the wireless ad hoc network multi-hop data may include:

[0062] Step 101: receiving broadcast message data;

[0063] The distribution process of broadcast message data is initiated by the source node. An illustrative example of the header format...

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Abstract

The invention discloses a wireless ad hoc network multi-hop data distribution method and device. After receiving the broadcast message data, the wireless ad hoc network multi-hop data distribution method first judges whether the message has been received before. If it has passed, it will be discarded directly, and if it has not been received, set a rebroadcast delay for the message, and judge whether to receive the message again before the rebroadcast delay expires; if the message is received again before the rebroadcast delay expires If the broadcast message data is broadcast, the broadcast message data is discarded; if it is not received again, the broadcast message data is rebroadcasted. The wireless ad hoc network multi-hop data distribution method and device will only forward the received broadcast message if the same broadcast message is not received again within the rebroadcast delay period, thereby greatly reducing the number of identical broadcast messages between neighbor nodes. The number of message rebroadcasts avoids a large number of repeated broadcasts and improves the forwarding efficiency of broadcast messages.

Description

technical field [0001] The present invention relates to the field of communication technology, and more specifically, relates to a method and device for distributing multi-hop data in a wireless ad hoc network. Background technique [0002] Wireless ad-hoc network (mobile ad-hoc network) is a multi-hop mobile peer-to-peer network composed of dozens to hundreds of nodes, using wireless communication, and dynamically networking. Its purpose is to transmit multimedia information streams with quality of service requirements through dynamic routing and mobility management techniques. In recent years, with the rapid development of the transportation industry, vehicle ad hoc network has become an important application form in wireless ad hoc network. [0003] Vehicle ad hoc network refers to an open mobile network composed of mutual communication between vehicles, between vehicles and fixed access points, and between vehicles and pedestrians in the traffic environment. It has the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/06H04W40/02H04W72/00H04W84/18
CPCH04W4/06H04W40/02H04W84/18H04W72/30
Inventor 李忠孝于欢周琳郑健中
Owner BEIJING RUNKE GENERAL TECH
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