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Solving Bottleneck Problem by Transmission Power Control under Various Compression Assumptions for Wireless Sensor Networks
Abstract:
In a wireless sensor network, sensor nodes located near the sink will have to bear more communication responsibilities in forwarding the data generated by the nodes located far from the sink. The nodes that are away from the sink communicate with the sink via the nodes that are nearby the sink. Thus the nodes nearby the sink will run out of battery power very soon and create bottleneck for communication. Some researches tried to balance the loading of sensors by adjusting the power range of sensors. However, simply reducing the power range does not always reduce the loading of sensors in the bottleneck zone. In this paper, both of the impacts of the transmission power range and compression gain on energy consumption of a wireless network are analyzed. Some simulation results are given to show the correctness of analysis results.
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Pages:
1465-1470
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Online since:
April 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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