Reduction of Multipath Effects and Channel Distortion in Broadcast Television

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPTE
Volume: 99, No. 6, pp. 442–447
Abstract: A new technique for the adaptive recursive removal of ghosts, using look-up and decision-based adaptive assignment of the parameters of the recursive algorithm, is described. A coarse channel estimation is used to select the initial parameter set. The algorithm requires a training signal in the vertical blanking interval. A master control algorithm keeps track of the echo-channel and system parameters and makes the necessary control decisions and echo assignments. Two-axis synchronous detection is used, and the echo-reduction operation is performed in the baseband. The system is targeted for digital NTSC and improved/extended/high-definition televison (IDTV/EDTV/HDTV) receivers and is primarily intended for use in the reception of terrestrial VHF/UHF distribution.
Publication Date: 1990-06-01
DOI: 10.5594/J03854
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J03854
Author(s): Melih PazarciIllinois Institute of Technology, Telecommunications Systems Center, Chicago III.
Copyright: © 1990 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1. Ciciora W. Sgrignoli G. Thomas W. , “A Tutorial on Ghost Cancelling in Television Systems,” IEEE Trans. on Consumer Electronics , CE-25 : 9 – 44 , Feb. 1979 . EXTERNAL
2. Pazarci M. , “An Adaptive Ghost Processor for Broadcast Television,” IEEE Trans. on Consumer Electronics , CE-35 : 184 – 194 , Aug. 1989 . EXTERNAL
3. Thedick H. , “Adaptive Multipath Equalization for TV Broadcasting,” IEEE Trans. on Consumer Electronics , CE-23 : 15 – 181 , May 1977 . EXTERNAL
4. Larimore M. G. Treichler J. R. Johnson C. T. , “SHARF: An Algorithm for Adapting IIR Digital Filters,” IEEE Trans. on Acoustics, Speech and Signal Processing , ASSP-28: 428 – 439 , Aug. 1980 . EXTERNAL
5. Johnson C. R. , “SHARF Convergence Properties,” IEEE Trans. on Acoustics, Speech and Signal Processing , ASSP-29: 659 – 669 , June 1981 . EXTERNAL
6. Treichler J. R. , “The Application of SHARF to Adaptive Removal of TV Ghosting,” Proc. IEEE Intl. Conference on Acoustics, Speech and Signal Processing, 554 – 559 , Atlanta, Ga., March 1981 . EXTERNAL
7. Chen Chunhao , “A Color Television Broadcast Simulator,” M.S. thesis, Illinois Institute of Technology , Chicago, Ill. , 1989 . EXTERNAL

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Melih Pazarci; Reduction of Multipath Effects and Channel Distortion in Broadcast Television, SMPTE Journal ( Volume: 99, Issue: 6, June 1990); SMPTE, 1990. Available at https://doi.org/10.5594/J03854

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Melih Pazarci; Reduction of Multipath Effects and Channel Distortion in Broadcast Television, SMPTE Journal ( Volume: 99, Issue: 6, June 1990); SMPTE, 1990. Available at https://doi.org/10.5594/J03854

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<span class="citation">Melih Pazarci; <cite>Reduction of Multipath Effects and Channel Distortion in Broadcast Television</cite>, SMPTE Journal ( Volume: 99, Issue: 6, June 1990); SMPTE, 1990. Available at <a href="https://doi.org/10.5594/J03854" target="_blank" rel="noopener">https://doi.org/10.5594/J03854</a></span>

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Melih Pazarci; Reduction of Multipath Effects and Channel Distortion in Broadcast Television, SMPTE Journal ( Volume: 99, Issue: 6, June 1990); SMPTE, 1990
doi: 10.5594/J03854
url: https://doi.org/10.5594/J03854

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<li>
Melih Pazarci; <cite id="bib-10-5594-j03854">Reduction of Multipath Effects and Channel Distortion in Broadcast Television</cite>, SMPTE Journal ( Volume: 99, Issue: 6, June 1990); SMPTE, 1990
<span class="doi">10.5594/J03854</span>
</li>