Title :
Performance evaluation of generalized selection combiners (GSC) over slow fading channels with estimation errors
Author :
Al-Qahtani, Fawaz S. ; Gurung, Arun K. ; Zummo, Salam A. ; Hussain, Zahir M.
Author_Institution :
Sch. of Electr. & Comput. Eng., RMIT Univ., Melbourne, VIC, Australia
Abstract :
In this paper, we analyze the impact of channel estimation error on the capacity statistics and the symbol error rate (SER) for generalized selection combiners (GSC) systems. The channels are assumed slow flat Rayleigh fading and spatially independent. The capacity statistics moment generating function(MGF), complementary cumulative distribution function (CDF) and probability density function (PDF) are valid for arbitrary number of receive antennas. Moreover, exact closed-form expressions for M-PAM/PSK/QAM are derived. As expected, the channel estimation error has significant impact on the system performance.
Keywords :
Rayleigh channels; channel estimation; diversity reception; method of moments; M-PAM/PSK/QAM; Rayleigh fading channels; channel estimation errors; generalized selection combiner; moment generating function; probability density function; slow fading channel; Capacity planning; Channel estimation; Distribution functions; Error analysis; Estimation error; Fading; Probability density function; Rayleigh channels; Statistical analysis; Statistical distributions;
Conference_Titel :
Personal, Indoor and Mobile Radio Communications, 2009 IEEE 20th International Symposium on
Conference_Location :
Tokyo
Print_ISBN :
978-1-4244-5122-7
Electronic_ISBN :
978-1-4244-5123-4
DOI :
10.1109/PIMRC.2009.5450245
