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A New Wireless Sensor Network Transmission Mechanism—Research and Simulation of RNTA Algorithm |
Zhang Zhen-jiang; Liu Yun |
College of Electronics and Information Engineering, Beijing Jiaotong University, Beijing 100044, China |
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Abstract To enhance the entire network lifetime of wireless sensor network, this paper puts forward a new transmission mechanism by redundant nodes basing on the characters that the sensor nodes are tiny and energy-limited. The method builds an redundant nodes tree as the transmission agents to realize the information exchange between the clusters and base-station so that the energy consumption of normal nodes and clusters’ heads can be decreased. The simulation results show that the mechanism can improve the lifetime of effective wireless sensor nodes largely under the condition that the nodes are relative dense and the redundant nodes exist.
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Received: 21 August 2006
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