Abstract
처프 확산 대역 시스템의 전송 성능을 향상시키기 위해서는 처프 신호 사이의 상호 상관 계수를 반드시 고려해야 한다. 본 논문은 단일 사용자 전송을 위한 처프 신호의 상호 상관 계수를 수식적으로 도출하였으며, 이를 기반으로 전송 성능을 향상시킬 수 있는 처프율을 이론적으로 제안하였다. 모의실험 결과, 최적의 상호 상관 계수를 고려했을 때 전송 성능이 향상되었으며, 도출된 이론적인 성능이 모의실험 결과와 동일함을 확인하였다. In order to improve the transmission performance of a chirp signal-based chirp spread spectrum system, the cross-correlation coefficient (CCC) should be carefully considered. In this paper, we derive the CCC for analyzing the transmission performance and propose the optimal chirp rate based on the analysis. The simulation results verify the mathematical derivations and show that the considered scheme can improve the performance by considering the CCC.
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