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	Passive relaying scheme via backscatter communications in cooperative wireless networks
	Shimin Gong; Jing Xu; Lin Gao; Xiaoxia Huang; Wei Liu
	2018
会议日期	2018
会议地点	Barcelona, Spain
英文摘要	The integration of wireless power transfer (WPT) with the backscatter communications provides a promising way to sustain batteryless wireless networks. In this paper, we consider a backscatter communication network, in which the passive radio uses the harvested energy from a power beacon station (PBS) to supply its data transmissions, while some other radios can help as the wireless relays. To improve the throughput performance of a distant transceiver pair, we propose a two-hop backscatter relay model and formulate a throughput maximization problem to jointly optimize WPT and the relay strategies. Noting that the proposed problem is non-convex, an iterative algorithm with reduced complexity is proposed to decompose the original problem into a power allocation subproblem in the outer loop and an optimization of the relay strategy in the inner loop. Numerical results reveal that the power allocation converges to the optimum and the relay strategy significantly improves the throughput when the radios' power demand is low.
语种	英语
URL标识	查看原文
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/14139]
专题	深圳先进技术研究院_数字所
推荐引用方式 GB/T 7714	Shimin Gong,Jing Xu,Lin Gao,et al. Passive relaying scheme via backscatter communications in cooperative wireless networks[C]. 见:. Barcelona, Spain. 2018.

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