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In wireless sensor networks (WSNs), the operation of sensor nodes has to rely on a limited supply of energy (such as batteries). To support long lifetime operation of WSNs, an energy-efficient way of sensor deployment and operation of the WSNs is necessary. A new controlled layer deployment (CLD) protocol to guarantee coverage and energy efficiency for a(More)
In this paper, we proposed a scheduling handover mechanism called SMIPv6 which is based on mobile IPv6. In the SMIPv6, a new care-of-address is obtained by IP preconfiguration and afterwards, we calculated a better timing to process the handover. Compared with FMIPv6 (fast handover for MIPv6), SMIPv6 has done away with the tunnel mechanism and reduced the(More)
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