NDLI: Performance of an incremental best relay selection with outdated CSI in rayleigh fading channels

Content Provider	IEEE Xplore Digital Library
Author	Nam-Soo Kim Beongku An DoHyeun Kim
Copyright Year	2012
Description	Author affiliation: Dept. of Computer &Information Communications Engineering, Hongik University, Korea (Beongku An) \|\| Dept. of Electronics Engineering, Cheongju University, Korea (Nam-Soo Kim) \|\| Dept. of Computer Engineering, Jeju National University, Korea (DoHyeun Kim)
Abstract	For spectral efficiency and power saving, an incremental best relay selection of a cooperative diversity scheme is proposed. However during the best relay selection process, there may exist a delay between channel estimation and actual data transmission. Consequently, this delay causes outdated channel state information (CSI). We analytically derive the effect of the outdated CSI to an incremental best relay selection diversity scheme. It is noted that the system performance deteriorates with decreasing the value of the correlation coefficient sensitively. When the correlation coefficient reduces from 1 to 0.9, the most performance degradation is denoted. However, the performance degradation is diminished with decreasing the correlation coefficient.
Starting Page	63
Ending Page	67
File Size	376892
Page Count	5
File Format	PDF
ISBN	9781467313773
ISSN	21658528
e-ISBN	9781467313780
e-ISBN	9781467313766
DOI	10.1109/ICUFN.2012.6261665
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-04
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	outage probability Cooperative diversity relay best-relay selection Rayleigh fading
Content Type	Text
Resource Type	Article

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