Title :
Performance Analysis of Adaptive L-QAM for Opportunistic Decode-and-Forward Relaying
Author :
Ikki, Salama S. ; Amin, Osama ; Uysal, Murat
Abstract :
Abstract-In this paper, we investigate the performance of constant-power adaptive L-ary quadrature modulation (L-QAM) for an opportunistic decode-and-forward (DF) relaying scheme. Specifically, we adopt adaptive five-mode L-QAM with fixed and optimum switching and derive expressions for the error rate, outage probability and spectral efficiency over both independent and identical (i.i.d.) and independent and non-identical (i.n.d.) Rayleigh fading channels.
Keywords :
Channel capacity; Closed-form solution; Decoding; Error analysis; Fading; Feedback; Frequency; Performance analysis; Rayleigh channels; Relays;
Conference_Titel :
Vehicular Technology Conference (VTC 2010-Spring), 2010 IEEE 71st
Conference_Location :
Taipei, Taiwan
Print_ISBN :
978-1-4244-2518-1
Electronic_ISBN :
1550-2252
DOI :
10.1109/VETECS.2010.5493690
