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AOMDV-based energy aware node-disjoint multipath routing algorithm

A node disjoint, energy-aware technology, applied in the field of energy-aware node disjoint multi-path routing algorithm based on AOMDV, can solve the problem of not considering link congestion, link packet loss rate bandwidth, etc. Lifecycle Effects

Active Publication Date: 2017-05-17
INST OF IND INTERNET CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

When one of them fails, other available paths are directly selected without restarting the route discovery process, which increases fault tolerance and stability. However, it does not consider other parameters such as link congestion, link packet loss rate, bandwidth, etc., so we get The multi-path is not necessarily the best. Secondly, when the AOMDV protocol selects the path to transmit data from the routing table, it chooses the path found earliest, but the earliest path is often not necessarily the best.

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Embodiment Construction

[0032] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] figure 1 It is a flow chart of the disjoint multipath routing algorithm for energy-aware nodes proposed by the present invention. According to the route discovery stage and route reply stage, all possible disjoint multipaths are found through flooding; according to the data transmission stage, the routing data packet is designed, and the node energy field is added in the routing table to count the current node The energy of each path node is assigned a weight to each path according to the energy of each path node, and the link is screened to obtain the optimal link. The routing algorithm consists of the following steps:

[0034] S1: In the neighbor discovery phase, firstly, each node in the network discovers their neighbor nodes by broadcasting HELLO packets and exchanging messages within a specified time interval, determines the l...

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Abstract

The invention relates to an AOMDV-based energy aware node-disjoint multipath routing algorithm, and belongs to the technical field of a wireless sensor network. The method includes the following steps: searching all possible disjoint multiple paths through flooding in a routing finding stage and a routing reply stage; and in a data transmission stage, designing a routing data package, increasing node energy fields in a routing table to count energy of current nodes, distributing weights to each path according to the energy of each path node, screening links, and obtaining an optimal link. Factors such a disjoint multiple paths, the link quality and node energy consumption are taken into consideration comprehensively, so node energy consumption is reduced, network loads are equalized, and the energy utilization efficiency is increased.

Description

technical field [0001] The invention belongs to the technical field of wireless sensor networks, and relates to an AOMDV-based disjoint multipath routing algorithm for energy sensing nodes. Background technique [0002] In recent years, the application of wireless communication technology and wireless network has become more and more extensive. The mobile ad-hoc communication network is composed of wireless mobile nodes, using the routing and forwarding functions of mobile terminals, it has the characteristics of fast networking speed and strong survivability. Communicate without infrastructure, thus making up for the shortcomings of no network communication infrastructure. [0003] In the mobile ad-hoc network, the source node sends the data packet to the destination node through the adjacent node and the intermediate node through wireless transmission. Once there is a problem with a node in the middle, or because of the movement of the node, it will cause network communic...

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Application Information

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IPC IPC(8): H04W28/08H04W40/10H04W52/02H04W84/18
CPCH04W28/08H04W40/10H04W52/0209H04W84/18Y02D30/00Y02D30/70
Inventor 谢昊飞朱郴林王平温萌李少杰
Owner INST OF IND INTERNET CHONGQING UNIV OF POSTS & TELECOMM
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