Efficient link scheduling for rechargeable wireless ad hoc and sensor networks
Efficient link scheduling for rechargeable wireless ad hoc and sensor networks
复制标题
可充电无线自组网和传感器网络的高效链路调度
DOI:
10.1186/1687-1499-2013-223
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发表时间:
2013-09
期刊:
影响因子:
--
通讯作者:
Zhao Lin
中科院分区:
文献类型:
--
作者:
Sun Guodong;Qiao Guofu;Zhao Lin
We study the link scheduling for rechargeable wireless ad hoc and sensor networks to improve network throughput. Efficient link scheduling is highly critical for wireless networks, and a lot of efforts have been made to address this issue. The previous work which only considers how to reduce interference within close-by links, however, fails to improve the network throughput for rechargeable wireless network in which a node, powered by ambient energy (such like solar and vibration) has to be recharged before it can communicate with other nodes. Thus, link scheduling with rechargeable nodes is constrained not only by co-channel interference but also by energy replenishment of the node. In this paper, we develop efficient link scheduling algorithms to improve the network throughput of rechargeable wireless ad hoc and sensor networks. The proposed design, based on realistic network models and mathematical formulation, achieves constant ratio of the best solution. Besides the theoretical analysis, simulation experiments are conducted to evaluate our algorithms.
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