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Through detailed analysis of energy consumption of wireless sensor network with uniform node distribution, it is proved that the assumption of network where the density of sensor nodes in the same circular ring is uniform can cause inaccurate analysis of energy consumption. A more accurate theoretically analytical method for avoiding energy hole is proposed for wireless sensor networks with non-uniform...
This paper studies the design of optimal location of buffer area in a movement-assisted data gathering scheme. In [7], the author only considered a network scenario where rLtR and the transmission power of sensor was fixed. This paper extends the network to a general network where the relationship between r and R is arbitrary and the transmission power of sensor is variable. In the network, the maximum...
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