DocumentCode
1400518
Title
Power allocation for bidirectional AF relaying over rayleigh fading channels
Author
Zhang, Yuanyuan ; Ma, Yi ; Tafazolli, Rahim
Author_Institution
C.C.S.R., Univ. of Surrey, Guildford, UK
Volume
14
Issue
2
fYear
2010
fDate
2/1/2010 12:00:00 AM
Firstpage
145
Lastpage
147
Abstract
This letter presents two novel power allocation schemes for bidirectional amplify-and-forward (AF) relaying over Rayleigh fading channels through the exploitation of channel mean strength. The first scheme aims to maximize the upper bound of average sum rate, and the other aims to achieve the trade-off of outage probability between two terminals. Numerical results show considerable performance improvement in comparison with conventional power allocation approaches.
Keywords
Rayleigh channels; probability; Rayleigh fading channels; average sum rate; bidirectional AF relaying; bidirectional amplify-and-forward relaying; channel mean strength; outage probability; power allocation approach; upper bound; AWGN; Additive white noise; Bidirectional control; Decoding; Digital relays; Fading; Power system modeling; Power system relaying; Protocols; Upper bound; Amilify-and-forward, average sum-rate, bidirectional relaying, power allocation, outage probability;
fLanguage
English
Journal_Title
Communications Letters, IEEE
Publisher
ieee
ISSN
1089-7798
Type
jour
DOI
10.1109/LCOMM.2010.02.092227
Filename
5403615
Link To Document