Abstract
Abstract In this paper, we simulate and analyze performance of iterative coding scheme, double binary turbo code, for high speed power line communication (PLC) systems. PLC system has hostile environment for high speed data transmission, so error correction method is necessary to compensate effects of PLC channel. We employ the PLC model proposed by M. Zimmerman and Middleton Class A interference model, and system performance is evaluated in terms of bit error rate (BER). From the simulation results, we confirm double binary turbo code provides considerable coding gains to PLC system and BER performance is significantly improved as the number of iteration increase. It is also confirmed that BER performance increases as code rate is lager, while it decreases as the code rate is smaller. Key Words : Double binary turbo code, power line communication, Max-log-MAP, OFDM * 광운대학교 전파공학과 * 준회원, 광운대학교 전파공학과 ** 준회원, 전기연구원 *** 정회원, 광운대학교 전파공학과접수일자 2010.10.4, 수정일자 2011.9.2게재확정일자 2011.10.14 Ⅰ. 서 론
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