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The Research of Routing Protocols for Wireless Sensor Networks Based on Data Aggregation

Author: MouHuiHui
Tutor: BaiFengE
School: Taiyuan University of Technology
Course: Applied Computer Technology
Keywords: Wireless sensor networks Data Fusion LPEA PEZCA
CLC: TN915.04
Type: Master's thesis
Year: 2010
Downloads: 115
Quote: 1
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Abstract


Wireless sensor network is a combination of a new type of sensor technology, wireless communication technology, micro-electromechanical systems technology and distributed information processing technology information acquisition and processing method. It can through various integrated micro-sensor collaboration, real-time monitoring, awareness and information collected a variety of environmental monitoring object. Wireless sensor networks has broad application prospects in environmental monitoring, military defense, health care and many other areas, has given rise to many countries of the world, military sector, academia and industry attaches great importance. In this paper, a routing protocol for wireless sensor network research focus. Wireless sensor networks, processing power, storage capacity, communication capabilities, as well as node energy is limited, so the primary goal of the routing protocol effectively save energy and prolong network lifetime. The research of this paper include the following aspects: (1) on the basis of analysis of the existing wireless sensor network routing protocols, LEACH protocol for typical focus of research. 2. LEACH protocol based on an improved program LPEA. In LPEA nodes in wireless sensor networks based on the average energy of the residual energy and network node to select the cluster head using graph theory prim algorithm to select each round Pe d values ??the largest cluster head as the root node, The constructed tree routing between nodes of the cluster head, and the cluster head will be collected between the multi-hop mode to send data to the root node, and then through the root node of the entire network to collect the data transmitted to the base station. Finally, using MATLAB LPEA simulation. The simulation results show that, LPEA than LEACH reduces energy consumption and prolong the network lifetime. The 3. Wildlife monitoring LEACH and PEGASIS routing protocol characteristics in wild animal monitoring application for wireless sensor networks, drawing on ideas proposed an improved scheme PEZCA. PEZCA base station vertex, the network is divided into a plurality of fan-shaped area, nodes in the network to form self-organizing clusters of uneven size away from the sink node cluster larger than near the sink node cluster, the same fan-shaped area the cluster head node multi-hop transmission data. Simulation results show that PEZCA balance energy consumption between nodes to extend the network lifetime, can fully meet the needs of wildlife monitoring.

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