Diversity receiver

Details Diversity receiver Diversity receiver

1996-11-13

1999-09-14

Pham, Chi H.

Pulse or digital communications

Receivers

Interference or noise reduction

455132, H04B 710, H04L 102

Patent

active

059533838

ABSTRACT:
According to the present invention, it is possible to improve a bit error rate performance of a conventional diversity receiver.
In a diversity receiver of the present invention, first, second to Lth multiple differential detection signals and received signal strength are generated by multiple differential detection/signal strength detecting circuits, and are inputted into a combined branch metric generating circuit in a sequence estimator, thereby generating a combined branch metric. An ACS circuit is operated for an ACS operation on the basis of Viterbi algorithm by using the combined branch metric. A path memory sequentially takes as input path selecting signals outputted from the ACS circuit, and update the memory contents. A maximum likelihood state detecting circuit detects the most probable state by using a path metric outputted from the ACS circuit. A decision circuit determines and outputs demodulated data from a value corresponding to a surviving path leading to the most probable state detected by the maximum likelihood state detecting circuit among the oldest memory contents in the path memory.

REFERENCES:
patent: 5621769 (1997-04-01), Wan et al.
patent: 5621770 (1997-04-01), Zastera
patent: 5654980 (1997-08-01), Latva-aho et al.
patent: 5668839 (1997-09-01), Bernasconi et al.
patent: 5680419 (1997-10-01), Bottomley
patent: 5710995 (1998-01-01), Akaiwa et al.

Affiliated with

Also associated with

Rating

Diversity receiver does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Diversity receiver, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Diversity receiver will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1517553