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학술대회 A Simple Hardware Structure for SNR Estimation
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저자
김수영, 박은우, 여성문, 이종열, 안도섭
발행일
200710
출처
Military Communications Conference (MILCOM) 2007, pp.1-5
DOI
https://dx.doi.org/10.1109/MILCOM.2007.4454800
협약과제
07MR3100, 위성 IMT2000+ 기술 개발, 안도섭
초록
In this paper, we present an efficient hardware structure to estimate signal to noise ratio (SNR) for M-ary amplitude and phase modulation schemes at the receiver. The proposed hardware structure requires a counter and two comparators with a predetermined look up table (LUT). For an estimation error of less than 1 dB, it needs just about a few hundred samples. We can design the LUTs with theoretically derived values and tailor them for special purposes. We demonstrate a few simulation results of the estimation algorithm, and present hardware implementation results. © 2007 IEEE.
KSP 제안 키워드
Amplitude and phase modulation, Hardware Implementation, M-ary, Modulation scheme, SNR Estimation, Signal noise ratio(SNR), Signal-to-Noise, estimation algorithm, estimation error, hardware structure, look-up table