Toward self-sustainable cooperative relays: State of the art and the future

Kuang Hao Liu, Phone Lin

研究成果: Article同行評審

31 引文 斯高帕斯(Scopus)


Cooperative relaying has been recognized as a promising technique to exploit spatial diversity gain using simple hardware, but it may barely fall in the class of green communications because extra power is consumed for information relaying. Recent advances in energy harvesting devices have paved the way for self-sustainable relays that power themselves by replenishing ambient energy without wires. This article examines the current progress of EH relays with special emphasis on wireless power transfer through RF signals that carry both information and energy at the same time. In this context, information relaying and EH are two tightly coupled processes, and practical constraints of EH devices pose new challenges to self-sustainable relays. This article addresses these issues and points out future research directions.

頁(從 - 到)56-62
期刊IEEE Communications Magazine
出版狀態Published - 2015 6月 1

All Science Journal Classification (ASJC) codes

  • 電腦科學應用
  • 電腦網路與通信
  • 電氣與電子工程


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