Broadcast method based on distance and energy balance in mobile adhoc network

A technology of energy balance and distance, applied in network topology, data exchange network, digital transmission system, etc., can solve the problems of unbalanced energy consumption and low reliability, reduce the probability of packet collision, improve network life, suppress broadcast storm effect

Inactive Publication Date: 2017-01-25
ZHEJIANG GONGSHANG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to overcome the problems of broadcast storm, low reliability and unbalanced energy consumption, and provide a mobile Ad Hoc network based on Broadcast method with distance and energy balance

Method used

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  • Broadcast method based on distance and energy balance in mobile adhoc network
  • Broadcast method based on distance and energy balance in mobile adhoc network
  • Broadcast method based on distance and energy balance in mobile adhoc network

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Embodiment Construction

[0056] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0057] Such as figure 1 As shown, a reliable broadcast method based on distance and energy balance in a mobile Ad Hoc network comprises the following steps:

[0058] Step 100, establish neighbor information table:

[0059] Any node J in the mobile Ad Hoc network receives a broadcast packet from any neighbor node H, node J obtains the address of H from the broadcast packet, and calculates the distance between J and H;

[0060] If node J receives a packet from node H for the first time, node J establishes a neighbor information table for storing information of node H;

[0061] Otherwise, node J updates the distance and lifetime LTM in the neighbor information table of corresponding node H;

[0062] The survival time LTM indicates the survival time of the neighbor information table of the corresponding node H without further receiving any infor...

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Abstract

The invention discloses a broadcasting method based on distance and energy balance in a mobile Ad Hoc network. A node obtains information of neighbor nodes according to groupings received from the neighbor nodes, determines the distance between itself and the neighbor nodes, and builds or updates a neighbor information table; forwarding priorities are determined according to the distance between the node and the neighbor nodes and the residual energy of the node, the node carries out time-sharing forwarding according to the forwarding priorities, and channel competition and grouping collision are reduced. A lost packet retransmission mechanism is included in the method, whether broadcasting groupings are sent successfully or not is judged according to the fact whether the same broadcasting grouping forwarded by the neighbor nodes is received or not, and the broadcasting reliability is further improved. The method can well restrain the broadcasting storm, and the broadcasting reliability is improved; meanwhile, the time delay is small, and the requirement of QoS application can be better met; the method can further balance the energy consumption of the nodes in the network better, and the service life of the network is prolonged.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular to a mobile Ad Hoc network based on which can effectively suppress broadcast storms, improve broadcast reliability, balance the energy of nodes in the network, and have a higher arrival rate and lower delay. Broadcast methods for distance and energy balance. Background technique [0002] Mobile Ad Hoc networks usually have the characteristics of self-organization, multi-hop routing, limited wireless transmission coverage, limited link bandwidth, dynamic network topology changes, limited energy supply, etc., especially the broadcast characteristics of wireless channels and hidden node problems, making Compared with broadcasts in wireless networks and wired networks with infrastructure, the broadcasting of mobile Ad Hoc networks is prone to broadcast storms, and the probability of collisions is also higher. Especially for a single-channel mobile Ad Hoc netw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/701H04W84/18H04L12/24
Inventor 余燕平刘克艳刘欣欣宁东升王筱妍俞艳
Owner ZHEJIANG GONGSHANG UNIVERSITY
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