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Performance Analysis of a DS-CDMA System with Partial SSPIC Multiuser Detection Schemes in Rayleigh Fading Channel  

이현재 (텔슨전자(주))
오창헌 (한국기술교육대학교 정보기술공학부)
신동욱 (한국기술교육대학교 정보기술공학부)
Publication Information
Abstract
In this paper, we proposed and analyzed the performance of the partial SSPIC (Successive Serial Parallel Interference Cancellation ) scheme adopting modified successive serial interference cancellation (SIC) scheme. Modified partial successive serial cancellation (SIC) stage is used to effectively shorten interference cancellation delay. Performance is analyzed in Rayleigh fading channel with both perfect and imperfect channel estimation. From the results, proposed partial SSPIC I and II multiuser detectors can shorten effectively a detection delay at first SIC stage. The partial SSPIC type l detector outperformed the conventional concatenated SICPIC detector in both performance and capacity and type ll detector maintains similar performance. Proposed partial SSPIC multiuser detector can effectively improve the system performance without excessive detection delay.
Keywords
DS-CDMA; interference cancellation; multiuser detector; partial SSPIC;
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