Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2007-01-16
2007-01-16
Hsu, Alpus H. (Department: 2616)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S350000, C370S503000, C370S519000, C375S355000, C455S502000
Reexamination Certificate
active
09888085
ABSTRACT:
Network delay is determined in order to synchronize a clock in a mobile station with a reference clock. Tone are generated that represent a sequence of bits in a synchronization flag. The tones are sampled beginning at a selected sample start time. The sampled tones are demodulated to identify the bit values in the synchronization flag. The demodulator is synchronized with the sampled tones in the synchronization flag by shifting the sample start time until the samples generate an optimum synchronization value. A reference time is then identified according to the optimum sample start time.
REFERENCES:
patent: 4158748 (1979-06-01), En
patent: 4218654 (1980-08-01), Ogawa et al.
patent: 4310722 (1982-01-01), Schaible
patent: 4368987 (1983-01-01), Waters
patent: 4494211 (1985-01-01), Schwartz
patent: 4766589 (1988-08-01), Fisher
patent: 4984238 (1991-01-01), Watanabe et al.
patent: 5014344 (1991-05-01), Goldberg
patent: 5245634 (1993-09-01), Averbuch
patent: 5245647 (1993-09-01), Grouffal et al.
patent: 5365450 (1994-11-01), Schuchman et al.
patent: 5379224 (1995-01-01), Brown et al.
patent: 5420592 (1995-05-01), Johnson
patent: 5438337 (1995-08-01), Aguado
patent: 5440491 (1995-08-01), Kawano et al.
patent: 5509035 (1996-04-01), Teidemann, Jr. et al.
patent: 5510797 (1996-04-01), Abraham et al.
patent: 5663734 (1997-09-01), Krasner
patent: 5781156 (1998-07-01), Krasner
patent: 5812087 (1998-09-01), Krasner
patent: 5838237 (1998-11-01), Revell et al.
patent: 5856986 (1999-01-01), Sobey
patent: 5874914 (1999-02-01), Krasner
patent: 5917449 (1999-06-01), Sanderford et al.
patent: 5930722 (1999-07-01), Han et al.
patent: 5933468 (1999-08-01), Kingdon
patent: 5999124 (1999-12-01), Sheynblat
patent: 5999126 (1999-12-01), Ito
patent: 6014376 (2000-01-01), Abreu et al.
patent: 6031489 (2000-02-01), Wyrwas et al.
patent: 6493338 (2002-12-01), Preston et al.
patent: 6665333 (2003-12-01), McCrady et al.
patent: WO 98/53573 (1998-11-01), None
Eatherly Wayne
Leyendecker Robert
Preston Dan A.
Preston Joseph D.
Proctor Rod L.
Airbiquity Inc.
Hsu Alpus H.
Stoel Rivers LLP
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