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BER analysis of dual-hop amplify-and-forward MIMO relaying with best antenna selection in Rayleigh fading channels

Authors
Kim, Jung-BinKim, Dongwoo
Issue Date
Aug-2008
Publisher
Oxford University Press
Keywords
bit error rate (BER); dual-hop relaying; amplify-and-forward (AF); multi-input multi-output (MIMO); best antenna selection; Rayleigh fading
Citation
IEICE Transactions on Communications, v.E91B, no.8, pp 2772 - 2775
Pages
4
Indexed
SCIE
SCOPUS
Journal Title
IEICE Transactions on Communications
Volume
E91B
Number
8
Start Page
2772
End Page
2775
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/42264
DOI
10.1093/ietcom/e91-b.8.2772
ISSN
0916-8516
1745-1345
Abstract
Combining relaying and multi-input multi-output (MIMO) transmission is a generic way to overcome the channel-fading impairments. Best antenna selection is a simple but efficient MIMO method that achieves the full diversity and also serves as a lower bound reference of MIMO performance. For a dual-hop MIMO system with an ideal amplify-and-forward (AF) relaying gain and best antenna selection, we provide a probability density function (PDF) of received signal-to-noise ratio (SNR) and an analytic BER equation when using M-ary PSK in Rayleigh fading channels. The analytic result is shown to exactly match with simulated one. Furthermore, the effect of link unbalance between the first hop and the second hop, due to differences in the number of antennas deployed in both hops as well as in the average power of channel coefficients, on the BER performance is numerically investigated and the results show that the links with better balance give better performance.
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Kim, Dong woo
ERICA 공학대학 (SCHOOL OF ELECTRICAL ENGINEERING)
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