Method for maintaining datalink network throughput by...

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S452200, C455S453000, C455S445000, C370S316000, C370S395200

Reexamination Certificate

active

08045977

ABSTRACT:
A method of maintaining datalink network throughput in a communications channel by delaying lower priority messages is provided. The method comprises receiving periodic channel occupancy data from a radio, and updating channel occupancy status from the channel occupancy data. A determination is then made whether the channel occupancy has reached a first predetermined occupancy threshold. If the first predetermined occupancy threshold has been reached, high priority messages are transmitted, and medium and low priority messages are stored. If the first predetermined occupancy threshold has not been reached, a determination is made whether the channel occupancy has reached a second predetermined occupancy threshold that is less than the first predetermined occupancy threshold. If the second predetermined occupancy threshold has been reached, high and medium priority messages are transmitted, and low priority messages are stored. If the second predetermined occupancy threshold has not been reached, messages of all priorities are transmitted.

REFERENCES:
patent: 6147980 (2000-11-01), Yee et al.
patent: 7480510 (2009-01-01), Woleben et al.
patent: 2005/0181787 (2005-08-01), Judd et al.
patent: 2006/0046715 (2006-03-01), Burgemeister
patent: 2007/0140152 (2007-06-01), Allen et al.
patent: 2008/0101284 (2008-05-01), Buchwald et al.
patent: 2001266298 (2001-09-01), None

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