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학술대회 Orthogonal Waveforms Design for Quasi-synchronous Communications
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저자
박기윤, 박옥선, 이영하, 오왕록
발행일
201910
출처
International Conference on Information and Communication Technology Convergence (ICTC) 2019, pp.830-833
DOI
https://dx.doi.org/10.1109/ICTC46691.2019.8940011
협약과제
19HH1900, 셀룰러 기반 산업 자동화 시스템 구축을 위한 5G 성능 한계 극복 저지연, 고신뢰, 초연결 통합 핵심기술 개발, 김태중
초록
In wireless communications, orthogonal waveforms having short duration are desirable to achieve low system latency. In addition, immunity to interferences from other user signals is one of desirable features for the waveforms especially in massive uplink access. In this paper, we derive sufficient constraints for orthogonal and short duration waveforms. Under the constraints, we propose signal waveforms suitable for quasi-synchronized communication systems by using gradient-decent algorithm in minimizing average power of interference from other users. Numerical results show that signal-to-interference power ratio can be enhanced by using the proposed waveforms.
키워드
filter bank multicarrier, orthogonal design, orthogonal frequency multiplexing, quasi-synchronous communications, Waveforms
KSP 제안 키워드
Average Power, Communication system, Desirable features, Filter Bank Multicarrier, Numerical results, Orthogonal designs, Orthogonal waveforms, Synchronous communications, interference power, orthogonal frequency multiplexing, power ratio