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Adaptive Signal Processing for Optimal Transmission in Mobile Radio Communications
IEICE TRANSACTIONS on Communications
Publication Date: 1994/05/25
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Issue on Adaptive Signal Processing in Mobile Radio Communications)
mobile communications, digital signal processing, adaptive signal processing, blind algorithm, radio signal processing, demodulation, automatic calibration,
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This paper reviews recent progress in adaptive signal processing techniques for digital mobile radio communications. In Radio Signal Processing (RSP) , digital signal processing is becoming more important because it makes it relatively easy to develop sophisticated adaptive processing techniques, Adaptive signal processing is especially important for carrier signal processing in RSP. Its main objective is to realize optimal or near-optimal radio signal transmission. Application environments of adaptive signal processing in mobile radio are clarified. Adaptive equalization is discussed in detail with the focus on adaptive MLSE based on the blind algorithm. Demodulation performance examples obtained by simulations and experiments are introduced, which demonstrates the recent advances in this field. Next, new trends in adaptive array processing, interference cancelling, and orthogonalization processing are reviewed. Finally, the three automatic calibration techniques that are based on adaptive signal processing are described for realizing high precision transmission devices.