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The design of transmit finite-impulse response (FIR) filters with few coefficients in frequency division multiplexing data transmission systems is considered. In these systems, quality objectives are imposed for transmission over channels affected by additive white Gaussian noise (AWGN) and over channels affected by AWGN plus adjacent channel interference (ACI). The goal of this letter is: given that an adaptive receive filter, possibly cooperating with an adaptive decision feedback equalizer, is used for the AWGN channel and for the AWGN plus ACI channel, what is the best fixed FIR transmit filter to use for both channel cases? This goal is achieved by optimizing the compromise between the performance of the system on the two mentioned channels. Also, the advantages of the proposed design over a rival method based on a fixed receive filter are demonstrated.
Published in:
Communications, IEEE Transactions on
(Volume:52
,
Issue:
2
)
Date of Publication: Feb. 2004
- Page(s):
- 180 - 182
- ISSN :
- 0090-6778
- INSPEC Accession Number:
- 7910704
- Digital Object Identifier :
- 10.1109/TCOMM.2003.822747
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 03 March 2004
- Issue Date :
- Feb. 2004
- Sponsored by :
- IEEE Communications Society
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