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Cooperative broadcasting method based on distance in mobile Ad Hoc network

A distance and network technology, applied in the field of distance-based cooperative broadcasting, can solve the problems of QoS index decline, low network throughput, channel contention, etc., and achieve the effects of low forwarding delay, suppression of redundancy, and avoidance of channel contention.

Active Publication Date: 2014-08-27
浙江海宁经编产业园区开发有限公司
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  • Application Information

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Problems solved by technology

[0007] The purpose of the invention is to overcome the problems of information redundancy, channel scrambling, signal collision, broadcast storm, small network throughput and QoS index decline caused by the broadcasting method in the prior art, and to provide a method that can effectively suppress broadcasting. Storm, Improving Broadcast Reliability, A Distance-Based Cooperative Broadcast Method in Mobile Ad Hoc Networks with Higher Arrival Rate and Lower Latency

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  • Cooperative broadcasting method based on distance in mobile Ad Hoc network
  • Cooperative broadcasting method based on distance in mobile Ad Hoc network
  • Cooperative broadcasting method based on distance in mobile Ad Hoc network

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Embodiment Construction

[0046] In order to describe the present invention more specifically, the distance-based cooperative broadcasting method of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0047] Such as figure 1 As shown, a distance-based cooperative broadcasting method in a mobile Ad Hoc network comprises the steps:

[0048] (1) Obtain neighbor information

[0049] Any node J in the network broadcasts the HELL0 packet periodically, and any neighbor node of J receives the HELL0 packet, and does the following processing after receiving it: If the worker node has not created the neighbor information table of node J, the worker node establishes a node The neighbor information table of J; if the worker node has created the neighbor information table of node J, then utilize the information of the received HELL0 packet to update the information in the neighbor information table of node J, including (the address of the...

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Abstract

The invention discloses a cooperative broadcasting method based on the distance in a mobile Ad Hoc network. Up to four neighbor nodes not within the mutual coverage range are determined as cooperative forwarding nodes to carry out time-sharing cooperative forwarding on broadcasting information according to distribution of neighbor nodes. By selecting limited cooperative forwarding nodes, the method can reduce the redundancy of the broadcasting information, and at the same time, the channel competition and grouping collision can be reduced through the time-sharing cooperative forwarding. A simulation experiment result shows that the method can obtain a lower forwarding node proportion and a higher arrival rate, lower time delay is also obtained when the density of the nodes is high, the broadcasting storm is restrained, and the broadcasting reliability is improved.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, and in particular relates to a distance-based cooperative broadcast method in a mobile Ad Hoc network that can effectively suppress broadcast storms, improve broadcast reliability, and has high arrival rate and low time delay. Background technique [0002] The mobile Ad Hoc network is a temporary autonomous system composed of a group of mobile terminals with wireless transceivers. It is a special wireless network, and nodes can join or leave the mobile Ad Hoc network at any time. In the mobile Ad Hoc network, each node has an equal status, and they not only have the functions of ordinary mobile terminals, but also have the function of routing message forwarding. In a mobile Ad Hoc network, broadcasting is the process of passing a message from a certain node in the network to all other nodes. It is widely used in many mobile Ad Hoc network protocols. The simplest broadcasting method...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/761H04W40/02H04W84/18H04L45/16
CPCY02D30/70
Inventor 余燕平俞艳刘欣欣王筱妍刘克艳宁东升
Owner 浙江海宁经编产业园区开发有限公司
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