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Decimation 알고리즘을 이용한 DTV TxID수신 신호의 효율적인 신호처리 기법에 관한 연구
손주희(JuHee Son),이용태(YongTae Lee),박성익(SungIk Park),김흥묵(HeungMook Kim),서재현(JaeHyun Seo),이재영(JaeYoung Lee),차재상(JaeSang Cha) 한국방송·미디어공학회 2007 방송공학회논문지 Vol.12 No.3
Recently, Transmitter Identification(TxID) technology has been issued as a key technology of ATSC DTV. ATSC DTV networks are comprised of a plurality of transmitters, broadcasting the same signal using one frequency network(SFN) connected to EDOCR. In this single frequency network, TxID technology has been recognized as a key technology in the ATSC DTV system since it enables the broadcast authorities and classify multiple transmitters. However, conventional TxID uses extremely long spreading sequence to identifying transmitters, so it increases H/W complexity and registers. Thus, to solve those hardware problems, we propose an efficient signal processing technology using decimation algorithm. Furthermore, we certified the availability of the proposed algorithm via various simulations.