Method and apparatus for determining propagation delays for...

Details Method and apparatus for determining propagation delays for... Method and apparatus for determining propagation delays for...

2008-03-04

2011-12-13

Yun, Eugene (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Having measuring, testing, or monitoring of system or part

C455S067140, C455S067160, C455S502000

Reexamination Certificate

active

08078114

ABSTRACT:
A system and method for determining a signal propagation delay between a transmitter and a receiver, and for adjusting a transmission time based on the propagation delay. A central station inserts a marker into a transmitted signal at a time corresponding to a received timing signal. The MCT receives the signal from the central station and determines a time difference between receipt of the marker and the detection of the time interval event. A transmission by the MCT is adjusted by an amount of time proportional to the time difference.

REFERENCES:
patent: 5657313 (1997-08-01), Takahashi et al.
patent: 5703873 (1997-12-01), Ojanpera et al.
patent: 6192247 (2001-02-01), Dillon et al.
patent: 7363009 (2008-04-01), Erlenbach et al.
patent: 2359960 (2004-06-01), None
International Search Report and Written Opinion—PCT/US2004/003213, International Search Authority—European Patent Office—Feb. 28, 2005.

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