Joint ML estimation of carrier frequency, channel, I/Q mismatch, and DC offset in communication receivers

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This paper proposes a technique that jointly estimates the I/Q mismatch, dc offset, carrier frequency offset, and channel for receivers in frequency selective channels. The joint estimator is a data-aided technique that requires a training sequence and is derived based on the maximum likelihood (ML) criterion. The characteristics of the joint estimator are analyzed. In particular, it is shown that its accuracy almost achieves the Cramer-Rao lower bound (CRLB). The advantage of the proposed estimator over an existing method is demonstrated through computer simulation.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2005-01
Language
English
Article Type
Article; Proceedings Paper
Keywords

SELECTIVE CHANNELS; COMPENSATION; TRANSMISSIONS; TRANSCEIVERS; PERFORMANCE; DIVERSITY; IMBALANCE

Citation

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.54, pp.338 - 349

ISSN
0018-9545
URI
http://hdl.handle.net/10203/11665
Appears in Collection
EE-Journal Papers(저널논문)
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