Method and apparatus for tracking a communication signal in a wi

Details Method and apparatus for tracking a communication signal in a wi Method and apparatus for tracking a communication signal in a wi

1997-11-04

1999-11-16

Pham, Chi H.

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370320, 370342, 375200, H04B 1500

Patent

active

059870168

ABSTRACT:
The method for tracking a mobile communication signal, which operates in a code division multiple access wireless communication system including an antenna (401), and a base site receiver (400) having at least two receiver tracking fingers (F1, F2), includes receiving at the antenna (401) a first multipath signal (119) arriving at an on-time pn-offset (706) with an associated advanced pn-offset value (704) and retard pn-offset value (702) and receiving at the antenna (401) a second multipath signal (107) arriving at an on-time pn-offset (712) with an associated advanced pn-offset value (710) and retard pn-offset value (708). The method further includes determining a spacing between the first multipath signal and the second multipath signal, and adjusting the at least two receiver tracking fingers based on the advanced pn-offset value of one of the multipath signals and the retard pn-offset value of the other multipath signal.

REFERENCES:
patent: 5477195 (1995-12-01), Spilker
patent: 5490165 (1996-02-01), Blakeney, II et al.
patent: 5574721 (1996-11-01), Magill
patent: 5608722 (1997-03-01), Miller
patent: 5621752 (1997-04-01), Antonio et al.
patent: 5691974 (1997-11-01), Zehavi et al.
patent: 5809064 (1998-09-01), Fenton et al.

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