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Study of Multi-Routing Protocols for WSN

Author: GongZuo
Tutor: ZongPing
School: Nanjing University of Posts and Telecommunications
Course: Applied Computer Technology
Keywords: WSN Multi-Path Routing Ant Colony Algorithm Pheromone
CLC: TN915.04
Type: Master's thesis
Year: 2012
Downloads: 47
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Abstract


According to the characteristics of WSN, this thesis presents the design requirements of the routing protocols and analyzes the several typical multipath routing protocols in detail. Based on the characteristics of these multipath routing protocols, this thesis mainly studies SMR algorithm. The convergence of the basic ant colony algorithm is fast, so this thesis presents an improved ant colony optimization algorithm AIS, which not only updates global pheromone newer rules and formula, but also updates local pheromone newer formula. Only the best and worst path can update their formula. Moreover, if the concentration of formula is beyond its defined limits, its value will be reset.By adding the improved biological simulation strategy to SMR algorithm, this thesis proposes an improved routing protocol algorithm called AIS-SMR. This algorithm retains the advantages of SMR algorithm and can also calculate the probability of a next node by the concentration of formula. Hop counts, time-delay and residual energy make up the calculation of routing. When there is no routing information, SMR will broadcast to the entire network, but AIS-SMR algorithm will only broadcast to neighbor nodes and adds a routing updated stage. In this stage, when data packets are being set and it is at regular time, the information of paths will be updated. This will achieve the selection of stable paths, balance load, improve the effective use of resources and extend lifetime of network. This thesis makes the simulation for AIS-SMR algorithm. Through analyzing the results of the simulation, AIS-SMR algorithm can find out the optimal path better, achieve the purposes of reducing energy consumption, increasing the efficiency, selecting the stable path and prolonging lifetime of network.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Communication network > General issues > Communication protocols, communication protocols
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