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Channel equalization is investigated via the filterbank approach. A necessary and sufficient condition is established for perfect reconstruction (PR) of the transmitter-receiver filterbanks. If the PR condition holds, then all causal and stable receiver filterbanks that achieve PR are parameterized. It is further shown that the receiver filterbank for optimal channel equalization has the form of state estimator and is a modified Kalman filter. The design algorithm for optimal channel equalizers is developed. A simulation example is worked out to illustrate the proposed design algorithm.
Published in:
Signal Processing, IEEE Transactions on
(Volume:52
,
Issue:
2
)
Date of Publication: Feb. 2004
- Page(s):
- 536 - 545
- ISSN :
- 1053-587X
- INSPEC Accession Number:
- 7890099
- Digital Object Identifier :
- 10.1109/TSP.2003.820990
- Date of Current Version :
- 21 January 2004
- Issue Date :
- Feb. 2004
- Sponsored by :
- IEEE Signal Processing Society
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