Method of and apparatus for multi-path signal component...

Pulse or digital communications – Spread spectrum

Reexamination Certificate

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C375S134000, C375S136000, C375S137000, C375S147000

Reexamination Certificate

active

07852902

ABSTRACT:
A method for use in receiving a spread-spectrum signal includes receiving an input signal. The input signal includes a first plurality of multipath components. The method also includes despreading the first plurality of multipath components. The step of despreading includes computing a plurality of corresponding delays. The method also includes computing a plurality of combining weights based, at least in part, on interference correlation between at least two of the first plurality of multipath components, selecting, according to at least one criterion, a subset of the plurality of combining weights, and despreading and combining a second plurality of multipath components using at least one quantity related to the selected plurality of combining weights and a plurality of delays and multipath components corresponding to the plurality of selected combining weights. This Abstract is provided to comply with rules requiring an Abstract that allows a searcher or other reader to quickly ascertain subject matter of the technical disclosure. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

REFERENCES:
patent: 6363104 (2002-03-01), Bottomley
patent: 6529545 (2003-03-01), Tiirola et al.
patent: 6683924 (2004-01-01), Ottosson et al.
patent: 6714585 (2004-03-01), Wang et al.
patent: 6826240 (2004-11-01), Thomas et al.
patent: 7397842 (2008-07-01), Bottomley et al.
patent: 7397843 (2008-07-01), Grant et al.
patent: 7415061 (2008-08-01), Currivan et al.
patent: 7457381 (2008-11-01), Hosur et al.
patent: 7590167 (2009-09-01), Fulghum et al.
patent: 2003/0031236 (2003-02-01), Dahlman et al.
patent: 2004/0146094 (2004-07-01), Kong et al.
patent: 2004/0219959 (2004-11-01), Khayrallah et al.
patent: 2005/0069023 (2005-03-01), Bottomley et al.
patent: 2005/0078742 (2005-04-01), Cairns et al.
patent: 2005/0123026 (2005-06-01), Hasegawa et al.
patent: 2005/0129137 (2005-06-01), Yamada et al.
patent: 2005/0195889 (2005-09-01), Grant et al.
patent: 2006/0182193 (2006-08-01), Monsen
patent: 2006/0188007 (2006-08-01), Daneshrad et al.
patent: 2006/0233222 (2006-10-01), Reial et al.
patent: 2006/0256843 (2006-11-01), Grant et al.
patent: 2006/0291543 (2006-12-01), Fulghum et al.
patent: 2007/0047628 (2007-03-01), Fulghum et al.
patent: 2008/0232438 (2008-09-01), Dai et al.
patent: 2009/0257477 (2009-10-01), Khayrallah et al.
patent: 2009/0304125 (2009-12-01), Kim et al.
patent: 1 179 891 (2004-01-01), None
patent: 1 179 891 (2004-01-01), None
patent: WO01/19113 (2001-03-01), None
patent: WO02/052743 (2002-07-01), None
patent: WO03/026145 (2003-03-01), None
patent: WO2004/025859 (2004-03-01), None
patent: WO2004/028018 (2004-04-01), None
patent: WO2004/028020 (2004-04-01), None
patent: WO2004/028021 (2004-04-01), None
patent: WO2004/107597 (2004-12-01), None
patent: WO2004/107600 (2004-12-01), None
Win, et al, “Performance of Rake Reception in Dense Multipath Channels: Implications of Spreading Bandwidth and Selection Diversity Order,”, IEEE, vol. 18, No. 8, Aug. 2000, pp. 1516-1525.
Lenardi, et al, “Intercell Interference Cancellation at a WCDMA Mobile Terminal by Exploiting Excess Codes,” Mobile Communications Department—Institut Eurecom.
Lenardi and Slock, “A RAKE Structured SINR Maximizing Mobile Receiver for the WCDMA Downlink,” Institut Eurecom.
Irmer and Fettweis, “Combined Transmitter and Receiver Optimization for Multiple-Antenna Frequency-Selective Channels,” 2002 IEEE, p. 412-416.
Chen et al, “Unified Performance Bounds for Generalized Selection Diversity Combining in Independent Generalized Fading Channels,” Can. J. Elect. Comput. Eng., vol. 29, No. 1/2, Jan./Apr. 2004, pp. 1-8.
Cassioli et al, “Effects of Spreading Bandwidth on the Performance of UWB Rake Receivers,” Mitsubishi Electric Research Laboratories, Inc., 2003.
Brunner, et al, “Exploiting the Short-Term and Long-Term Channel Properties in Space and Time: Eigenbeamforming Concepts for the BS in WCDMA,” Institute for Circuit theory and Signal Processing, Munich University of Technology, Sep. 2002, pp. 1-14.
Brunner, et al, “Space-Time Eigenrake and Downlink Eigenbeamformer: Exploiting Long-Term and Short-Term Channel Properties in WCDMA,” Munich Univ. of Technology.
Gaur and Annamalai, “Improving the Range of Ultrawideband Transmission using Rake Receivers,” 2003 IEEE, pp. 597-601.
Bottomley et al, “A Generalized RAKE Receiver for Interference Suppression,” 2000 IEEE, pp. 1536-1545.

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