07164662 is referenced by 64 patents and cites 33 patents.

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.

Title
Network delay identification method and apparatus
Application Number
9/888085
Publication Number
7164662 (B2)
Application Date
June 22, 2001
Publication Date
January 16, 2007
Inventor
Rod L Proctor
Seattle
WA, US
Wayne Eatherly
Puyallup
WA, US
Robert Leyendecker
Aloha
OR, US
Joseph D Preston
Bainbridge Island
WA, US
Dan A Preston
Bainbridge Island
WA, US
Agent
Stoel Rivers
Assignee
Airbiquity
WA, US
IPC
H04Q 7/20
H04L 7/00
H04J 3/06
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