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Research on Balanced Energy Consumption Routing Algorithm for Heterogeneous Wireless Sensor Network

Author: CuiXiuLi
Tutor: FengXiuFang
School: Taiyuan University of Technology
Course: Applied Computer Technology
Keywords: Wireless sensor networks Energy heterogeneous Routing algorithm Energy balancing
CLC: TP212.9
Type: Master's thesis
Year: 2010
Downloads: 145
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Abstract


With the rapid development of sensor technology, micro-electromechanical systems, wireless communication and low-power embedded technology, wireless sensor network (Wireless Sensor Network WSN) bred, and the characteristics of its distributed and self-organizing information perception a revolution. Wireless sensor networks by the deployment of a large number of micro-sensor nodes in the monitoring region composed of the formation of a multi-hop self-organizing network through wireless communication, a new information access platform, capable of real-time monitoring and collecting network distribution area of ??each The species detected object information, and information sent to the sink node, in order to achieve the complex within the specified target monitoring and tracking, has a broad application prospects. In wireless sensor networks, sensor nodes are mostly battery powered, generally difficult to replace, and often lead to node failures because of energy depletion, the node energy restrictions have severely hindered the further development of wireless sensor networks, how to reduce the energy consumption of the network, extend the life of the network is the most important issue facing. Energy limitations of the routing algorithm design is also faced with many challenges, the main goal of the wireless sensor network routing algorithm design, sensor nodes reduce network energy consumption and network energy consumption is evenly distributed to each node and the operating life of the entire network. In this paper, a careful analysis of the characteristics of wireless sensor networks and has been routing algorithm based on heterogeneous features energy-based wireless sensor networks, proposed an energy consumption balanced routing algorithm, the main tasks are as follows: (1) in the wireless sensor network node the basis of the initial energy isomorphic, the energy efficiency of the network in a different communication mode conducted a simple analysis. (2) a simple classification of heterogeneous wireless sensor networks, at the same time to introduce and summarize energy heterogeneous wireless sensor networks and researchers in this study. (3) on the basis of the heterogeneous ideas, design the network topology model, node via multi-hop communication mechanism to send data to the sink node. Distance aggregation node closer to the sensor nodes take on too much data forwarding tasks prior to the death of other nodes, to take the idea of ??different initial energy of the sensor node configuration, configuration for node aggregation node closer distance more energy. (4) The energy heterogeneous ideological and routing algorithm combining the energy efficiency of the network analysis to prove the node node in the network can achieve energy consumption balanced heterogeneous energy strategy, and derive optimal energy efficiency under the initial energy with the relationship. (5) using the Matlab simulation environment, network lifetime, node remaining energy, network residual energy ratio analysis and comparison. In this paper, energy heterogeneous strategies and energy isomorphic strategy were analyzed and compared, and the experimental results show that the end of the network lifetime, little residual energy heterogeneous strategies of network nodes, network energy remaining low rate. Experimental verification energy isomers effectiveness of the algorithm, and can realize efficient use of energy of the nodes in the entire network, to achieve the equilibrium of the node energy consumption.

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