Method and apparatus for reducing spread spectrum noise

Details Method and apparatus for reducing spread spectrum noise Method and apparatus for reducing spread spectrum noise

2006-04-11

2006-04-11

Tse, Young T. (Department: 2637)

Pulse or digital communications

Spread spectrum

Direct sequence

Reexamination Certificate

active

07027490

ABSTRACT:
A communication device including a per finger interference reducer adapted to remove an interference effect of at least one pilot signal from the output of a despreader of the finger.

REFERENCES:
patent: 4884284 (1989-11-01), Nakayama
patent: 4964000 (1990-10-01), Kanota
patent: 5105435 (1992-04-01), Stilwell
patent: 5235612 (1993-08-01), Stilwell et al.
patent: 5323418 (1994-06-01), Ayerst
patent: 5325394 (1994-06-01), Bruckert
patent: 5410750 (1995-04-01), Cantwell et al.
patent: 5428832 (1995-06-01), Nohara et al.
patent: 5469465 (1995-11-01), Birchler et al.
patent: 5506861 (1996-04-01), Bottomley
patent: 5519730 (1996-05-01), Jasper et al.
patent: 5627855 (1997-05-01), Davidovici
patent: 5754583 (1998-05-01), Eberhardt et al.
patent: 5787130 (1998-07-01), Kotzin et al.
patent: 5930288 (1999-07-01), Eberhardt
patent: 6009089 (1999-12-01), Huang et al.
patent: 6032026 (2000-02-01), Seki et al.
patent: 6067292 (2000-05-01), Huang et al.
patent: 6104747 (2000-08-01), Jalloul et al.
patent: 6154443 (2000-11-01), Huang et al.
patent: 6175588 (2001-01-01), Visotsky et al.
patent: 6301289 (2001-10-01), Bejjani et al.
patent: 6377607 (2002-04-01), Ling et al.
patent: 6404803 (2002-06-01), Wang et al.
patent: 6473451 (2002-10-01), Seki et al.
patent: 6498784 (2002-12-01), Ozluturk
patent: 6553058 (2003-04-01), Naito
patent: 6680727 (2004-01-01), Butler et al.
patent: 0980149 (2000-02-01), None
“Minimum Probability of Error for Asynchronous Gaussian Multiple-Access Channels”—S. Verdu—IEEE Transaction Information Theory—Jan. 1986 pp 85-96.
“Digital Communications”—J. G Proakis, McGraw-Hill, Third Edition, 1995.
“Multiuser Detection Techniques for Narrowband Interference Suppression”—L. Rusch and Poor—IEEE Transactions on Communications, vol. 43, Nos. 2-3-4, pp. 1725-1737, Feb.- Mar.-Apr. 1995.
“Linear Multiuser Detectors for Synchronous Code-Division Multiple-Access Channels”—R. Lupas and S. Verdu,IEEE Transactions on Information Theory, vol. 35, No. 1, Jan. 1989, pp. 123-136.
“A Family of Suboptimum Detectors for Coherent Multiuser Communications”—Z. Xie, R. Short, C. Rushforth—IEEE Journal on Selected Areas in Communications, vol. 8, No. 4, May 1990, 683-690.
“Spread Spectrum Multiple Access System with Intrasystem Interference Cancellation”—Tatsuro Masamura—The Transactions of the IEICE, vol. E71, No. 3, Mar. 1988, pp. 224-231.
“CDMA-AIC: Spectrum- Efficient CDMA Cellular System Based on Adaptive Interference Cancellation.”—S. Yoshida and A. Ushirokawa,IEICE Trans.Commun. E79-B No. 3:353-360, Mar. 1996.
“Adaptive Filters in Multiuser (MU) CDMA Detection”, Lim T. J. and Roy, S., Wireless Networks, J.C. Baltzer AG, Science Publishers, 1996, 12 pages.
“Serial interference cancellation method for CDMA.”—Y. Li, and R. Steele,Electronic Letters, 30:1581-1583, Sep. 1994.
“Code-Aided Interference Suppression for DS/CDMA Communications- Part II: Parallel Blind Adaptive Implementations”—H.S. Poor and X. Wang-IEEE Transactions on Communications, 45:1112-1122, Sep. 1997.
“A Spread-Spectrum Multiaccess System with Cochannel Interference Cancellation for Multipath Fading Channels.”—Y.C. Yoon, et al.—IEEE Journal on selected Areas in Communications, 11: 1067-1075, Sep. 1993.
“Adaptive Detection for DS-CDMA”, Woodward, G. and Vucetic, B.S., Proceedings of the IEEE, vol. 86, No. 7, Jul. 1998, pp. 1413-1434.

Affiliated with

Also associated with

Rating

Method and apparatus for reducing spread spectrum noise does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for reducing spread spectrum noise, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for reducing spread spectrum noise will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3602487