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Journal Article A Frequency Offset Estimation and Compensation Scheme for MB-OFDM UWB Modem
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Authors
Do-Hoon KIM, Kyu-Min KANG, Chungyong LEE
Issue Date
2012-03
Citation
IEICE Transactions on Communications, v.E95-B, no.3, pp.1015-1018
ISSN
0916-8516
Publisher
일본, 전자정보통신학회 (IEICE)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1587/transcom.E95.B.1015
Abstract
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.
KSP Keywords
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