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Wireless power transfer technique provides new alternatives for solving the limited power capacity problem for so many popular mobile wireless devices, and makes wireless rechargeable sensor networks (WRSNs) promising. However, mainly due to the underestimate of the unbalanced influences of spatial and temporal constraints posed by charging requests, traditional scheduling strategies for on-demand...
Failure-Rate Minimization is becoming one of the major design issues in wireless sensor network (WSN) architecture due to multiple available Functional-units (FUs). There is a tradeoff between reliability and performance, such as timing constraint. This paper studies how to minimize the total failure rate while satisfying performance requirement for WSN applications. Two novel algorithms are proposed...
In this paper, an evolutionary algorithm is introduced for the NP-hard multi-criteria no-wait flow shop scheduling problems. Both makespan and total flowtime are taken into account. The proposed algorithm makes use of non-dominated sorting strategy. Corresponding objective increment properties are analyzed to improve efficiency for searching Pareto solutions. Experimental results show that the proposal...
Broadcast is a fundamental operation in wireless networks and naive flooding is not practical because it cannot deal with interference. Scheduling is a good way to avoid interference, but previous studies on broadcast scheduling algorithms all assume highly theoretical models such as the unit disk graph model. In this work, we re-investigate this problem using the 2-disk and the signal-to-interference-plus-noise-ratio...
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