Method of eliminating false echoes of a signal and...

Pulse or digital communications – Spread spectrum – Direct sequence

Reexamination Certificate

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C375S147000

Reexamination Certificate

active

07940835

ABSTRACT:
A method is provided for processing a signal emanating from a multi-path transmission medium. Echoes of the signal that is received are detected, and a rejection processing is performed. The rejection processing includes estimating the cross-correlation between temporally neighboring echoes, and if this cross-correlation satisfies a test, rejecting the one of the two neighboring echoes that exhibits the lower energy. Also provided is a rake receiver that can perform such a method.

REFERENCES:
patent: 6078611 (2000-06-01), La Rosa et al.
patent: 6873826 (2005-03-01), Becker
patent: 7072428 (2006-07-01), Niva et al.
patent: 7142587 (2006-11-01), Sato
patent: 7151792 (2006-12-01), Shimizu et al.
patent: 7184457 (2007-02-01), Schmidl et al.
patent: 7310365 (2007-12-01), Ko et al.
patent: 2002/0061056 (2002-05-01), Smolyar et al.
patent: 2002/0105375 (2002-08-01), Sorokine
patent: 2004/0029589 (2004-02-01), Becker et al.
patent: 2005/0094710 (2005-05-01), Ko et al.
patent: 2005/0111526 (2005-05-01), Bilgic et al.
patent: 2006/0120440 (2006-06-01), Reial
patent: 0 896 438 (1999-02-01), None
patent: 1 176 733 (2002-01-01), None
patent: WO 02/11304 (2002-02-01), None
Moe Z.Win, George Chrisikos and Nelson R.Sollenberger, “Performance of Rake Reception in Dense Multipath Channels: Implications of Spreading Bandwidth and Selection Diversity Order”, IEEE Journal on Selected Areas in Communications, vol. 18, No. 8, Aug. 2000.
Fock, G., Baltersee, J., Schulz-Rittich, P. and Meyr, H., “Channel tracking for RAKE receivers in closely spaced multipath environments”, Aachen University of Technology, Germany, Dec. 2001, IEEE.
Win, M.Z. et al., “Impact of Spreading Bandwidth on RAKE Reception in Dense Multipath Channels,” Communication Theory Mini-Conference, 1999 Vancouver, BC, Canada, Jun. 6-10, 1999, Piscataway, NJ, USA, IEEE, US, Jun. 6, 1999, pp. 78-82, XP010351113, ISBN: 0-7803-5653-5.
European Search Report dated Jul. 30, 2004 for European Application No. 04 29 0003.

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