基于能量采集的认知无线电系统--最优化资源分配策略研究
首发时间:2014-01-07
摘要:针对基于时隙结构的引入能量采集的认知无线电系统,提出一种动态的资源分配策略,最大化系统次用户的可获得吞吐量。基于当前的系统资源,以及对系统后续状态的估计,判断系统频谱感知的最佳停止时刻,最优化系统时间与能量的分配策略。
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Optimal Resources Allocation Strategies in Self-Powered Cognitive Radio Systems with Wireless Energy Harvesting
Abstract:In this paper , we consider a CR system operating in slotted mode, in which the SU extracts energy only via wireless energy harvesting from ambient radio signal. Considering the tradeoff between duration of saving, sensing and transmitting, we provide a dynamic resource allocation strategies based on the current system resources and estimation of subsequent state, in order to maximize the achievable throughput of second user.
Keywords: cognitive radio energy harvesting dynamic decision throughput
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基于能量采集的认知无线电系统--最优化资源分配策略研究
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