DS/CDMA diversity receiver with despreading filters using combin

Pulse or digital communications – Repeaters – Testing

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

375347, 380 9, 380 42, 370342, H04K 100, H04B 1500

Patent

active

055984282

ABSTRACT:
A DS/CDMA receiver includes first and second diversity branches each including an antenna, a receiver and a despreading filter. The output signals of the transversal despreading filters of both diversity branches are diversity-combined, and threshold decision is made on the combined signal to produce a decision output. A decision error is detected from the combined signal and the decision output. Interchannel interference is canceled in each despreading filter by controlling their tap weights so that the tap weight coefficient vectors of each filter are orthogonal to all the spread codes of signals from other sources and multipath fading related intersymbol interference is canceled when the decision error of the diversity-combined signal is reduced to a minimum.

REFERENCES:
patent: 4189733 (1980-02-01), Malm
patent: 4608701 (1986-08-01), Burgers et al.
patent: 5031195 (1991-07-01), Chevillat
patent: 5109390 (1992-04-01), Gilhousen et al.
patent: 5193102 (1993-03-01), Meidan et al.
patent: 5343496 (1994-08-01), Honig et al.
patent: 5377266 (1994-12-01), Davis
patent: 5414699 (1995-05-01), Lee

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

DS/CDMA diversity receiver with despreading filters using combin does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with DS/CDMA diversity receiver with despreading filters using combin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and DS/CDMA diversity receiver with despreading filters using combin will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-945988

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.