Adaptive pilot interference cancellation in CDMA systems

Details Adaptive pilot interference cancellation in CDMA systems Adaptive pilot interference cancellation in CDMA systems

2006-09-05

2006-09-05

Tse, Young T. (Department: 2637)

Pulse or digital communications

Spread spectrum

Direct sequence

C370S342000

Reexamination Certificate

active

07103094

ABSTRACT:
A system and method for interference reduction in a spread spectrum receiver including a rake receiver having a plurality of fingers for processing a plurality of data signals and an associated plurality of pilot signals is disclosed herein. The method includes generating a plurality of intra-finger interference cancellation signals using the plurality of pilot signals. In this regard each of the plurality of intra-finger interference cancellation signals are associated with one of the plurality of fingers. Ones of the plurality of intra-finger interference cancellation signals are weighted so as to generate a set of weighted intra-finger interference cancellation signals. The method further includes synthesizing at least one inter-finger interference cancellation signal in accordance with the set of weighted intra-finger cancellation signals. At least one inter-finger interference cancellation signal may then be subtracted from a corresponding one of the plurality of data signals.

REFERENCES:
patent: 6034986 (2000-03-01), Yellin
patent: 6067292 (2000-05-01), Huang et al.
patent: 6570909 (2003-05-01), Kansakoski et al.
patent: 6580771 (2003-06-01), Kenney
patent: 6680727 (2004-01-01), Butler et al.
patent: 6718162 (2004-04-01), Agin et al.
patent: 6882681 (2005-04-01), Sano
patent: 2002/0131390 (2002-09-01), Kuo et al.
patent: 2004/0028121 (2004-02-01), Fitton
Proakis John G., “Digital Communications”, 3rdEdition, 1995, pp. 797-806, McGraw-Hill Series in Electrical and Computer Engineering, ISBN 0-07-051726-6 , USA.
Turin George L., “Introduction to Spread-Spectrum Antimultipath Techniques and Their Application to Urban Digital Radio”, Proceedings of the IEEE, vol. 68 No. 3, Mar. 1980 , pp. 328-353 , USA.
Third Generation Partnership Project; Technical Specification Group Radio Access Network; Feasibility Study on the Mitigation of the Effect of the Common Pilot Channel (CPICH) Interference; 3GPP TR 25.991; V5.1.0; Dec. 2002; 28 pgs.

Affiliated with

Also associated with

Rating

Adaptive pilot interference cancellation in CDMA systems does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Adaptive pilot interference cancellation in CDMA systems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adaptive pilot interference cancellation in CDMA systems will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3524778