Please use this identifier to cite or link to this item: https://doi.org/10.1109/WCNC.2011.5779395
Title: Multiuser Amplify-and-Forward relaying with delayed feedback in Nakagami-m fading
Authors: Soysa, M.
Suraweera, H.A. 
Tellambura, C.
Garg, H.K. 
Issue Date: 2011
Source: Soysa, M.,Suraweera, H.A.,Tellambura, C.,Garg, H.K. (2011). Multiuser Amplify-and-Forward relaying with delayed feedback in Nakagami-m fading. 2011 IEEE Wireless Communications and Networking Conference, WCNC 2011 : 1724-1729. ScholarBank@NUS Repository. https://doi.org/10.1109/WCNC.2011.5779395
Abstract: This paper evaluates the impact of using outdated channel estimates in a multiuser Amplify-and-Forward (AF) relay network, under Nakagami-m fading. Both variable gain AF and fixed gain AF schemes are considered. Expressions for the system's outage probability and the average bit error rate (BER) are derived. Since the expressions are barely tractable, we also present approximations for the high signal-to-noise ratio (SNR) regime. By doing so we characterize the impact of network parameters such as the number of relays, correlation between the delayed and current channel state information, chosen user rank and SNR imbalance on the performance degradation. © 2011 IEEE.
Source Title: 2011 IEEE Wireless Communications and Networking Conference, WCNC 2011
URI: http://scholarbank.nus.edu.sg/handle/10635/71073
ISBN: 9781612842547
DOI: 10.1109/WCNC.2011.5779395
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