Multiple path delay time searcher in reverse link communication

Details Multiple path delay time searcher in reverse link communication Multiple path delay time searcher in reverse link communication

1996-06-21

1998-07-21

Nguyen, Chau

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

375200, H04B 7216

Patent

active

057843643

ABSTRACT:
A multiple path delay time searcher at a signal demodulation mode of a reverse link communication channel of a mobile communication system employing a code division multiple access method. The multiple path delay time searcher includes a sample buffer for storing a signal received from an antenna of a base station as a sample; a delay time searcher for obtaining a correlation value between a signal at a specific search location designated by the sample buffer and a reference signal corresponding to a specific symbol; a signal processor for deciding whether there is a signal component in the specific search location using an accumulative average of the correlation values received from the delay time searcher; and a multiple path combiner for deciding the symbol designated in the delay time searcher.

REFERENCES:
patent: 5109390 (1992-04-01), Gilhousen et al.
patent: 5237586 (1993-08-01), Bottomley
patent: 5237587 (1993-08-01), Schoolcraft
patent: 5253268 (1993-10-01), Omura et al.
patent: 5305349 (1994-04-01), Dent
patent: 5315615 (1994-05-01), DeLisle et al.

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