NDLI: An Adaptive Non-Orthogonal Cooperation Scheme Based on Channel Quality Information

Content Provider	IEEE Xplore Digital Library
Author	Zhang Yong Li Jun Xu Youyun Cai Yueming
Copyright Year	2007
Description	Author affiliation: Inst. of Commun. Eng., PLAUST, Nanjing (Zhang Yong; Li Jun; Xu Youyun; Cai Yueming)
Abstract	We consider cooperative relay communication in a wireless network composed of three nodes and limited by the half-duplex and total power constrained. Here we focused on the non-orthogonal transmission of relay node to achieve higher spectrum efficiency. Based on the channel quality information (CQI) at the relay node, an adaptive non- orthogonal cooperative scheme is proposed which combines the benefit of the amplify-and-forward and decode-and- forward strategies. The relay node adoptively chooses one of these two strategies to cooperate in order to obtain larger average mutual information between the source and destination node. When the CQI is available at the source node, the power allocation is utilized to improve the performance of the adaptive cooperation scheme.
Starting Page	988
Ending Page	991
File Size	120287
Page Count	4
File Format	PDF
ISBN	9781424413119
DOI	10.1109/WICOM.2007.253
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Availability Wireless networks System performance Rayleigh channels Power system relaying OFDM modulation Decoding Relays Power system modeling Mutual information
Content Type	Text
Resource Type	Article

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