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Optimal base station selection for anycast routing in wireless sensor networks

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3 Author(s)
Hou, Y.T. ; Bradley Dept. of Electr. & Comput. Eng., Blacksburg, VA ; Yi Shi ; Sherali, H.D.

Energy constraints have a significant impact on the design and operation of wireless sensor networks. This paper investigates the base station (BS) selection (or anycast) problem in wireless sensor networks. A wireless sensor network having multiple BSs (data sink nodes) is considered. Each source node must send all its locally generated data to only one of the BSs. To maximize network lifetime, it is essential to optimally match each source node to a particular BS and find an optimal routing solution. A polynomial time heuristic is proposed for optimal BS selection and anycast via a sequential fixing procedure. Through extensive simulation results, it is shown that this algorithm has excellent performance behavior and provides a near-optimal solution

Published in:

Vehicular Technology, IEEE Transactions on  (Volume:55 ,  Issue: 3 )