Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
Reexamination Certificate
2007-10-16
2007-10-16
Matar, Ahmad F. (Department: 2614)
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via frequency channels
C370S352000, C370S356000
Reexamination Certificate
active
10312049
ABSTRACT:
Network delay is determined in order to synchronize a clock in a mobile station with a reference clock. Tones 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.
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Eatherly Wayne
Leyendecker Robert
Preston Dan A.
Preston Joseph D.
Proctor Rod L.
Airbiquity Inc.
Hag Aamir
Matar Ahmad F.
Stoel Rives LLP
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