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학술대회 Constellation Analysis of PSK Signal for Diagnostic Monitoring
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저자
황현구, 김대호
발행일
201210
출처
Asia-Pacific Conference on Communications (APCC) 2012, pp.90-94
DOI
https://dx.doi.org/10.1109/APCC.2012.6388108
협약과제
12MI1100, e-Navigation 실현을 위한 해상 디지털 무선통신 기술 개발, 김대호
초록
This paper presents constellation analysis for phase-shift keying (PSK) signal in time region on some problems. Generally diagnostic monitoring (DM) equipment is used for development of communication systems. And DM equipment shows signal constellation to diagnose communication status. However it is not known what specific signal constellation shapes mean. In this paper we investigate that specific signal constellations originate from specific problems during development process. Simulation results are coincident with the results of target hardware board. In this paper we mainly analyze differential quadrature phase-shift keying (DQPSK) signals in time region because another modulation signals have similar features. Therefore this paper could support to easily find out the problems during development process by simple comparing DM constellation with specific signal constellations. © 2012 IEEE.
키워드
constellation analysis, diagnostic monitoring, PSK, signal constellation, time signal
KSP 제안 키워드
Communication system, Diagnostic Monitoring, development process, differential quadrature phase-shift keying(DQPSK), quadrature phase shift keying(QPSK), signal constellation, simulation results