Title :
Channel estimation error effects on the performance of STB codes in flat frequency Rayleigh channels
Author :
Mavares, D. ; Torres, R.P.
Author_Institution :
Dept. of Commun. Eng., Cantabria Univ., Santander, Spain
Abstract :
The paper presents expressions for the received signals for rate 1, 1/2 and 3/4 space-time block codes in the presence of channel estimation errors and over mutually correlated flat frequency Rayleigh fading channels. It is shown analytically and through simulations how these codes suffer performance degradation as a consequence of the loss of orthogonality of the code produced by channel estimation errors. Quantitative results are provided which allow the space-time block codes performance to be evaluated and compared as a function of the channel estimation error power.
Keywords :
Rayleigh channels; block codes; channel estimation; space-time codes; Rayleigh fading channels; STBC; antenna diversity; channel estimation errors; flat frequency Rayleigh channels; flat frequency channels; mutually correlated channels; space-time block codes; transmit diversity; Analytical models; Block codes; Channel estimation; Degradation; Fading; Frequency estimation; Performance analysis; Performance loss; Rayleigh channels; US Department of Transportation;
Conference_Titel :
Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th
Print_ISBN :
0-7803-7954-3
DOI :
10.1109/VETECF.2003.1285097
