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Performance Analysis And Algorithm Optimization Of Zigbee Routing Protocol

Posted on:2011-05-01Degree:MasterType:Thesis
Country:ChinaCandidate:X J LiuFull Text:PDF
GTID:2248330395957323Subject:Signal and Information Processing
Abstract/Summary:PDF Full Text Request
With the rapid development of social information technology, the wireless communication network plays an increasingly important role in our lives. As a wireless communication technology, ZigBee is a low power, low data rate and low cost personal area network technology. However, because of its late appearance, ZigBee’s specifications and applications are being continually improved and evolved now.In this paper, ZigBee network simulation platform based on NS2software is set up successfully. And this simulation platform well solves the problem that the term of ZigBee network simulation based on hardware is too long. Additionally, the simulation of ZigBee network routing and the analysis of corresponding simulation result are accomplished in this paper.After analyzing the simulation result of the ZigBee network traditional routing protocols based on On-Demand Distance Vector Routing algorithm(AODVjr) and Tree Routing algorithm, this paper proposes modified Tree Routing algorithm based on energy awareness and energy balanced multi-path routing algorithm.Considering the problem of Tree routing algorithm, energy awareness routing algorithm based on Tree Routing algorithm is proposed based on the introduction of a neighbor table. This algorithm takes the remaining energy of nodes and neighbor nodes into account, chooses the path of minimum routing overhead, avoids low energy nodes and saves the overall energy of the network. For ZigBee network AODVjr algorithm cost high energy, and is likely to cause premature death node, this paper proposes an improved E-AOMDVjr algorithm. The algorithm that is based on the AOMDV algorithm applied for Ad hoc network is cut some functions, and we present a multi-path routing algorithm which is used for ZigBee network.and it also combines energy balance algorithm, so it can avoid the possibilities that some crucial nodes or nodes of low energy lose the effect to produce some results that some path is out of date or all the network does not work entirely.The proposed algorithms consider the ZigBee network focused on low power, low data rate characteristics.The experimental results show that the improved algorithm enhances the reliability of the network transmission, saves the energy consumption of the network, and extends the life cycle of the network.
Keywords/Search Tags:ZigBee, NS2, Routing Protocol, E-AOMDVjr, Energy Balance
PDF Full Text Request
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