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학술대회 Performance Analysis in Interference Canceller for Shared Band Satellite Transmission
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정수엽, 정동현, 유준규
International Conference on Information and Communication Technology Convergence (ICTC) 2019, pp.1033-1035
19NR1100, 재난현장 지원용 소형 운반형 위성중계장비(SNG) 개발, 유준규
This paper presents the performance analysis of the interference canceller with a low-complexity nonlinearity post compensator for shared band satellite transmission, which is proposed in the previous study. The simulation environment is adjusted in accordance with the several parameters, such as the number of the terminal signals, modulation type, and signal-to-noise ratio (SNR). Through the various simulations, we can confirm that the residual error after the interference cancellation at a high SNR disturbs largely the detection of the narrowband signal. In addition, it occurs the error floor in condition of both a high modulation type and a low SNR due to the capability limit of the nonlinearity post compensator. These results can lead to improve the performance of the proposed interference canceller for shared band satellite transmission.
KSP 제안 키워드
Error floor, Interference cancellation, Interference canceller, Low SNR, Modulation type, Performance analysis, Residual error, Signal noise ratio(SNR), Signal-to-Noise, Simulation Environment, high SNR