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초록
영어
In this paper, performance of a double binary turbo coded ultra wide band (UWB) system is analyzed and simulated in an indoor wireless channel. Binary pulse position modulation-time hopping (BPPM-TH) signals are considered. The indoor wireless channel is modeled as a modified Saleh and Valenzuela (SV) channel. The performance is evaluated in terms of bit error probability (BER). From the simulation results, it is seen that double binary turbo coding offers considerable coding gain with reasonable encoding complexity. It is also demonstrated that the performance of the UWB system can be substantially improved by increasing the number of iterations.
목차
Abstract Ⅰ. 서론 Ⅱ. 시스템 모델 1. 초광대역 무선통신 시스템 모델 2. 채널 모델 3. 이중 이진 터보 부호화/복호화 Ⅲ. 복호화 알고리즘 Ⅳ. 실험 결과 V. 결론 참고문헌
키워드
Double binary turbo codemodified Saleh and Valenzuela (SV) channel modelpulse position modulation-time hopping signalultra wide band system.