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SMPTE Meetings and Conferences ( October 1996)
[ACTIVE]

Blind Equalization of COFDM Systems Based on the Minimization of a Quadratic Criterion

Metadata

Publisher
SMPTE — White Plains, NY
Doc Type
Conference Paper
Content Type
Original Research
Volume
1996, No. 14A, pp. 311–319
Abstract
The COFDM concept has recently been applied to the design of DFT-based digital modulations for use over frequency selective channels. The cyclic convolution property of the DFT enables a low complexity equalization scheme at the expense of bandwidth efficiency since a “guard time” is required. Moreover this technique is very specific to DFT-based OFDM systems. As digital modulations generate continuous signals after baseband level digital filtering, non-critical sampling is recommended, that is, some zero symbols must be appended to the block of symbols to be modulated. As shown in [10], minimizing a quadratic criterion based on the subband components of the received signal that should be null is sufficient to perform (blind) equalization. Therefore less channel capacity is lost since neither a guard time nor reference symbols are required. The performance of a linear equalizer using this criterion is studied here for COFDM systems with 64-QAM subcarrier modulation.
Publication Date
1996-10-01
DOI
10.5594/M001263
Link
https://doi.org/10.5594/M001263
Author(s)
Philippe MadecCCETT, 4 rue du Clos Courtel, BP 59, 35512 Cesson-Sévigné, France
Marc de CourvilleTélécom-Paris, Département Signal, 46 rue Barrault, 75634 Paris Cedex 13, France
Pierre DuhamelTélécom-Paris, Département Signal, 46 rue Barrault, 75634 Paris Cedex 13, France
Copyright
© 1996 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

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  • [10] de Courville M. Duhamel P. Madec Ph. Palicot J. , “Blind Equalization of OFDM Systems based on the Minimization of a Quadratic Criterion,” to appear in Proc. ICC'96 , Dallas, USA, June 1996 . EXTERNAL
  • [2] Weinstein S.B. Ebert P.M. , “Data Transmission by Frequency-Division Multiplexing using the Discrete Fourier Transform,” IEEE Trans. on Comm. , vol. 19 , no. 5 , pp. 628 – 634 , Oct. 1967 . EXTERNAL
  • [3] Alard M. Lassale R. , “Principles of Modulation and Channel Coding for Digital Broadcasting for Mobile Receivers,” European Broadcasting Union Review-Technical , Vol. 224 , pp. 168 – 190 , August 1987 . EXTERNAL
  • [4] Chow Jacky S. Tu Jerry C. Cioffi John M. , “A Discrete Multitone Transceiver System for HDSL Applications,” IEEE Journal on Sel. Areas in Comm. , Vol. 9 , no. 6 , pp. 895 – 908 , August 1991 . EXTERNAL
  • [5] Fliege N.J. , “Orthogonal Multiple Carrier Data Transmission,” European Transactions on Telecommunications , Vol. 3 , no. 3 , pp. 225 – 253 , May 1992 . EXTERNAL
  • [6] Dentino Mauro McCool John Widrow Bernard , “Adaptive Filtering in the Frequency Domain,” Proceedings of the IEEE , Vol. 66 , no. 12 , pp. 1658 – 1659 , Dec. 1978 . EXTERNAL
  • [7] Ferrara Earl R. , “Fast Implementation of LMS Adaptive Filters,” IEEE Trans. on A.S.S.P. , Vol. 28 , no. 4 , pp. 474 – 475 , August 1980 . EXTERNAL
  • [8] “Digital Broadcasting Systems for Television, Sound and Data Services; Framing Structure, Channel Coding and Modulation for Digital Terrestrial Television,” document no. pr ETS 300 744, European Telecommunications Standards Institute, Sophia-Antipolis , Valbonne, France , 1996 . EXTERNAL
  • [9] de Courville M. Duhamel P. , “Adaptive Filtering in Subbands using a Weighted Criterion,” in Proc. ICASSP'95 , Vol. 2 , pp. 985 – 988 , Detroit, USA, May 1995 . EXTERNAL
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Philippe Madec, Marc de Courville, and Pierre Duhamel; Blind Equalization of COFDM Systems Based on the Minimization of a Quadratic Criterion, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001263
Snippet:
Philippe Madec, Marc de Courville, and Pierre Duhamel; Blind Equalization of COFDM Systems Based on the Minimization of a Quadratic Criterion, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001263

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Philippe Madec, Marc de Courville, and Pierre Duhamel; Blind Equalization of COFDM Systems Based on the Minimization of a Quadratic Criterion, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001263
Snippet:
<span class="citation">Philippe Madec, Marc de Courville, and Pierre Duhamel; <cite>Blind Equalization of COFDM Systems Based on the Minimization of a Quadratic Criterion</cite>, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at <a href="https://doi.org/10.5594/M001263" target="_blank" rel="noopener">https://doi.org/10.5594/M001263</a></span>

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Philippe Madec, Marc de Courville, and Pierre Duhamel; Blind Equalization of COFDM Systems Based on the Minimization of a Quadratic Criterion, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996
doi: 10.5594/M001263
url: https://doi.org/10.5594/M001263
Snippet:
<li>
Philippe Madec, Marc de Courville, and Pierre Duhamel; <cite id="bib-10-5594-m001263">Blind Equalization of COFDM Systems Based on the Minimization of a Quadratic Criterion</cite>, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996
<span class="doi">10.5594/M001263</span>
</li>