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VSB 전송 방식에서의 LMS 알고리듬과 Stop and Go 알고리듬을 혼합한 디지털 채널 등화기 설계
이주용,--,이재흥,-- 대전산업대학교 반도체기술연구소 1999 半導體技術硏究所報 Vol.1 No.-
In this paper, we designed a equalizer that removed the multipath of channel in 8-VSB transmission receiver. After doing the initial equalization with "LMS(Least Mean Square)" algorithm, this equalizer used "Stop-and-Go" algorithm, Because of estimating SER(Symbol to Error Ratio) every a training sequence. This can positively cope with transformation of channel and becuase of using fast clock than symbol-clock(10.76Mhz). We are able to reduce a multiplier.
Performance of OCM/OTD 16 QAM Signal with SC diversity Detection in Rician Fading Channel
Kim, Eon Gon 대전산업대학교 반도체기술연구소 1999 半導體技術硏究所報 Vol.1 No.-
We have analyzed the error performance of 16 QAM with Optimum Code Mapping (OCM) and Optimum Threshold Detection (OTD) in Rician fading channel with and without the Selective Combining (SC) diversity technique. The error performance of OCM with OTD is compapred to that of Conventional Code Mapping (CCM) in Rician fading channel. With the result of analysis, it is found that the proposed OCM with OTD is superior to CCM with CTD. Adoption of diversity technique with the proposed OCM with OTD can be considered as a good countermeasure for the Rician fading under the Personal Communication System (PCS) environment.