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- W2044210586 abstract "본 논문에서는 초고속 전승을 위해 제안된 HCOC(High Capacity Orthogonal Code) 대역확산(Spread Spectrum) 시스템의 높은 PAPR(Peak power to Average Power Ratio)을 줄여주는 새로운 MHCOC (Mapped HCOC) 대역확산 기술을 제안하고, 같은 비트 수를 전송할 수 있는 기존의 MQAM 대역확산 시스템과 비교 분석한다. 또한 전송 채널의 상황에 따라 알맞은 데이터 서비스를 하는 QoS (Quality of Service)를 만족시키기 위해 제안한 시스템의 적응성에 대하여 연구한다. 컴퓨터 시뮬레이션을 통하여 제안한 시스템의 성능을 평가 및 분석하고, 기존의 시스템과 비교 분석한다. In this paper, we propose a novel MHCOC (Mapped High Capacity Orthogonal Code) SS(Spread Spectrum) technique that reduces high PAPR (Peak power to Average Power Ratio) of HCOC SS system which was proposed to support high data rate transmission, and we compare to the conventional modulation technique such as MQAM SS that can transmit the same number of symbols at the same time. Moreover, we study on adaptation of this system to satisfy QoS (Quality of Service) that services the proper data rate according to the propagation channel quality information. We perform computer simulation to verify the performance of the proposed system and analyze its availability." @default.
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- W2044210586 date "2005-10-01" @default.
- W2044210586 modified "2023-09-25" @default.
- W2044210586 title "A study on Multi-code Spread Spectrum System and its adaptation using MHCOC" @default.
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- W2044210586 doi "https://doi.org/10.3745/kipstc.2005.12c.6.901" @default.
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