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Blind matched filter receiver
Date
2004-02-01
Author
Baykal, Buyurman
Metadata
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Matched filter receiver (MFR) of Forney in the presence of intersymbol interference (ISI) and additive white Gaussian noise is investigated from a blind perspective, which includes blind maximum likelihood sequence detection, blind decision feedback equalization and linear blind equalization. Various realizations of the blind MFR are discussed. In a blind MFR, the channel can be easily estimated using a simple algorithm such as the constant-modulus algorithm (CMA). In this sense, the CMA can be used to estimate the channel directly without complicated matrix decomposition techniques. Zero forcing and minimum mean-square estimation based designs of the blind MFR are explored. Channel estimation using the CMA deteriorates in the presence of noise. A new method to tackle this problem is developed and shown to have satisfactory behavior in low signal-to-noise ratios. Tracking performance of the blind MFR is found to be acceptable in representative Rayleigh fading channels of mobile communication.
Subject Keywords
Electrical and Electronic Engineering
URI
https://hdl.handle.net/11511/40448
Journal
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS
DOI
https://doi.org/10.1109/tcsi.2003.820238
Collections
Department of Electrical and Electronics Engineering, Article