NDLI: Efficient relay selection in multi-source cooperative networks

Content Provider	IEEE Xplore Digital Library
Author	Wei-Yi Shen Kuang-Hao Liu
Copyright Year	2013
Description	Author affiliation: Inst. of Comput. & Commun. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan (Wei-Yi Shen; Kuang-Hao Liu)
Abstract	Cooperative communication has been proven as one of the effective spatial diversity techniques to mitigate channel impairments due to fading. In classical relay selection schemes, plenty of source nodes are supported by a best relay and the transmit power of this relay is equally divided among multiple sources, leading to a low relay power level to help each source devoted and thus an unreliable transmission. To address this issue, we propose a distributed relay selection scheme, where each relay considers the maximum number of source nodes to help without incurring errors. Simulation results show that the proposed scheme has a superior outage performance comparing with other schemes, especially in the networks with `large number of sources'. Furthermore, the proposed scheme effectively makes use of relay power, and it reduces the total power consumption for relay cooperation.
Starting Page	175
Ending Page	179
File Size	673398
Page Count	5
File Format	PDF
ISBN	9781467360432
e-ISBN	9781467360449
DOI	10.1109/ComComAp.2013.6533631
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-01
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Power demand Protocols Relay selection Cooperative systems Tin Multi-source Cooperative networks Power efficiency Relays Outage probability Signal to noise ratio
Content Type	Text
Resource Type	Article

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