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Performance of Turbo Code in WB-CDMA Radio Links with Estimated Channel Variance
Hyeon Woo LEE Chang Soo PARK Yu Suk YUN Seong Kyu HWANG
IEICE TRANSACTIONS on Communications
Publication Date: 1998/12/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Issue on the Latest Development of Telecommunication Research)
turbo code, convolutional code, Reed-Solomon code, MAP algorithm, WB-CDMA,
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In this paper, we consider the applicability of turbo code for future third generation (3G) mobile telecommunication systems. Futhermore, we propose a simple method of estimating the channel variance which is necessary for the MAP (Maximum A Posteriori) decoding algorithm. We compare the performance of turbo code with a known channel variance, conventional variance estimate and variance estimated by our proposed technique. We show that our variance estimation scheme is adequate for 3G WB-CDMA mobile systems without degradation of turbo code performance.