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학술지 A Frequency Offset Estimation and Compensation Scheme for MB-OFDM UWB Modem
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저자
김도훈, 강규민, 이충용
발행일
201203
출처
IEICE Transactions on Communications, v.E95-B no.3, pp.1015-1018
ISSN
0916-8516
출판사
일본, 전자정보통신학회 (IEICE)
DOI
https://dx.doi.org/10.1587/transcom.E95.B.1015
협약과제
11PR3300, 10GHz 이하 대역에서 Dynamic Spectrum Access를 위한 상호 공존성(Coexistence) 기준 연구, 정병장
초록
We present a carrier and sampling frequency offset estimation and compensation scheme for a multi-band orthogonal frequency division multiplexing (MB-OFDM) ultra-wideband (UWB) modem. We first perform initial carrier frequency offset (CFO) estimation and compensation during the preamble period, and then conduct the estimation and compensation of the residual CFO and sampling frequency offset (SFO) during the payload period. The proposed design scheme reduces the logic gate count of the frequency offset compensation block by about 10%, while it gives almost the same performance at the packet error rate (PER) of 10-4 in the CM1 channel. The frequency offset estimation and compensation block is implemented using 90 nm CMOS technology and tested. ©2012 The Institute of Electronics, Information and Communication Engineers.
키워드
Carrier frequency offset (CFO), MB-OFDM, Rotor, Sampling frequency offset (SFO), UWB
KSP 제안 키워드
90 nm CMOS technology, Carrier Frequency Offset, Compensation block, Compensation scheme, Design Scheme, Frequency offset compensation, Information and communication, Logic gate, MB-OFDM UWB, Orthogonal frequency division Multiplexing(OFDM), Packet error rate