Title :
Effect of channel estimation and prediction errors on Adaptive M-PSK systems
Author :
Ammari, Mohamed L. ; Gagnon, François ; Belzile, Jean
Author_Institution :
Dept. of Electr. Eng., Ecole de Technol. Superieure
Abstract :
In this paper, we study an adaptive M-PSK modulation technique with a coherent detection over Rayleigh fading channels. The data rate is adapted according to the channel state. At the receiver, the fading is estimated using pilot symbols. To cancel the channel impact, we correct the received signal by dividing it by the estimated value of the fading. To adjust the modulation level, we propose a switching protocol which takes into account the channel estimation and prediction errors
Keywords :
Rayleigh channels; adaptive modulation; channel estimation; phase shift keying; prediction theory; protocols; telecommunication switching; Rayleigh fading channel; adaptive M-PSK modulation technique; channel estimation; coherent detection; prediction error; switching protocol; Adaptive systems; Channel estimation; Fading; Monitoring; Phase shift keying; Quadrature amplitude modulation; Quality of service; Rayleigh channels; Switches; Transmitters;
Conference_Titel :
Autonomic and Autonomous Systems and International Conference on Networking and Services, 2005. ICAS-ICNS 2005. Joint International Conference on
Conference_Location :
Papeete, Tahiti
Print_ISBN :
0-7695-2450-8
DOI :
10.1109/ICAS-ICNS.2005.45
