Multiple-input multiple-output (MIMO) spread-spectrum system...

Details Multiple-input multiple-output (MIMO) spread-spectrum system... Multiple-input multiple-output (MIMO) spread-spectrum system...

2006-06-27

2006-06-27

Ghebretinsae, Temesghen (Department: 2637)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S143000, C375S144000, C375S347000, C375S267000

Reexamination Certificate

active

07068705

ABSTRACT:
A system and method for transmitting a plurality of spread-spectrum signals over a communications channel having fading. The plurality of spread-spectrum signals are radiated by a plurality of antennas, with each antenna preferably spaced by one-quarter wavelength. A plurality of receiver antennas receive the plurality of spread-spectrum signals and a plurality of fading spread-spectrum signals. Each receiver antenna is coupled to a plurality of matched filters having a respective plurality of impulse responses matched to the chip-sequence signals of the plurality of spread-spectrum signals. A RAKE and space-diversity combiner combines, for each respective chip-sequence signal, a respective plurality of detected spread-spectrum signals and a respective multiplicity of detected-multipath-spread-spectrum signals, to generate a plurality of combined signals. The symbol amplitudes can be measured and erasure decoding employed to improve performance.

REFERENCES:
patent: 4694467 (1987-09-01), Mui
patent: 5657343 (1997-08-01), Schilling
patent: 5859879 (1999-01-01), Bolgiano et al.
patent: 5960039 (1999-09-01), Martin et al.
patent: 5999560 (1999-12-01), Ono
patent: 6026115 (2000-02-01), Higashi
patent: 6069912 (2000-05-01), Sawahashi

Affiliated with

Also associated with

Rating

Multiple-input multiple-output (MIMO) spread-spectrum system... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multiple-input multiple-output (MIMO) spread-spectrum system..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multiple-input multiple-output (MIMO) spread-spectrum system... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3686174