Abstract

Wireless sensor networks (WSN) have been applied in different areas, which consist of numerous autonomous sensor nodes with limited energy. Therefore, energy efficient algorithms and protocols have been one of the most challenging issues for WSNs. Many researchers have focused on developing energy efficient clustering algorithms for WSNs, but less research has concerned about the mobile user equipment (UE) acting as a cluster head (CH) for data transmission between cellular networks and WSNs. In this paper, we present a cellular-assisted mobile UE CH selection algorithm and describe particular procedure for the WSN system. Simulation results show that better system performance, in terms of system energy cost and WSNs life time, can be achieved in WSNs by using interactive optimization with cellular networks.

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