Performance Analysis of Adaptive M-QAM for Rayleigh Fading Cooperative Systems

T. Nechiporenko, K. T. Phan, C. Tellambura, H. H. Nguyen
2008 2008 IEEE International Conference on Communications  
The use of constant-power, rate-adaptive M -QAM transmission with an amplify-and-forward cooperative system is proposed. The upper bound expressions are derived for the outage probability, achievable spectral efficiency, and error rate performance for the amplify-and-forward cooperative system over both independent and identically distributed (i.i.d.) and non-i.i.d. Rayleigh fading environments. The analysis is based on an accurate upper bound on the total effective signal-tonoise ratio SNR at
more » ... he destination. Adaptive continuous rate M -QAM achieves a capacity that comes within a constant gap of the Shannon capacity of the channel, but adaptive discrete rate M -QAM suffers additional performance penalties.
doi:10.1109/icc.2008.638 dblp:conf/icc/NechiporenkoPTN08 fatcat:fqrbur32zvbjnnvq4bivjbzudy