Please use this identifier to cite or link to this item: https://doi.org/10.1109/TWC.2008.060595
Title: Optimal transmission strategies for rayleigh fading relay channels
Authors: Zhu, Y.
Xin, Y. 
Kam, P.-Y. 
Keywords: Decode-and-forward
Ergodic rate
Outage probability
Power allocation
Relay channels
Issue Date: Feb-2008
Citation: Zhu, Y., Xin, Y., Kam, P.-Y. (2008-02). Optimal transmission strategies for rayleigh fading relay channels. IEEE Transactions on Wireless Communications 7 (2) : 618-628. ScholarBank@NUS Repository. https://doi.org/10.1109/TWC.2008.060595
Abstract: In this paper, a decode-and-forward (DF) single relay model in a Rayleigh fading environment is considered. The outage probability and ergodic rate for this model are derived. With the objective of either minimizing the outage probability or maximizing the ergodic rate, optimal and approximately optimal transmission strategies are developed through selecting appropriate transmit signaling and/or spatial power allocation. The derived transmission strategies only require the knowledge of the second-order statistics of the channels at the transmitters, which can be readily acquired in practice. Simulation results demonstrate that the optimal transmit signaling and/or spatial power allocation can offer considerable performance improvements over the equal power allocation strategy. © 2008 IEEE.
Source Title: IEEE Transactions on Wireless Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/71310
ISSN: 15361276
DOI: 10.1109/TWC.2008.060595
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