01MR5400, A research on Multiuser Detection Techniques for the W-CDMA IMT-2000 System,
Kim Seong Rag
Abstract
W-CDMA 방식 IMT-2000 용 다수 사용자 검출 기술 연구에서는 다음의 연구내용을 포함하고 있다. ${igcirc}$ MUD 알고리즘 연구 - SIR-based Groupwise Parallel Interference Cancellation (GPIC) 제 안 - 복잡도가 낮은 간섭 제거기 구조 제안 - Pipelined 감산 방식 제안 - 간섭 제거기 Floating-point simulation을 통한 성능 분석 - 간섭 제거기 Fixed-point simulation을 통한 Quantization precision 및 Oversampling rate 결정 - Constrained MMSE(CMMSE) 수신기 제안 - CMMSE RAKE 수신기 제안 - 비적응 선형 수신기 기술 분석 - MUD 기술들의 성능 비교 ${igcirc}$ MUD 관련 선도 기술 연구 - Scrambled High Speed Downlink Packet Access (HSDPA) 송수신기 제안 - Space Time Block Coding(STBC)를 위한 적응 수신기 제안 - Space Time Transmit Diversity(STTD)를 위한 결정 궤환 등화기 제안 - HSDPA를 위한 Multi-path Interference cancellation(MPIC) 기술 분석 ${igcirc}$ 검증용 실험 간섭 제거기 - 시스템 요구 사항 분석 - 시스템 상위/상세/블록 설계 - 시스템 구현 및 시험
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