Dedicated high priority access channel

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

Reexamination Certificate

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Details

C455S464000, C455S341000, C455S512000, C455S041200, C455S448000, C455S450000, C455S574000, C455S414100, C455S404100, C370S439000, C370S431000

Reexamination Certificate

active

07003303

ABSTRACT:
The invention relates to a system and method for use in wireless packet data mode communications for facilitating communications between one or more remote devices and a base target device. The invention provides a high priority access channel (406) that can be utilized by specifically enabled packet data capable remote units (102), to perform random access channel request from a base station (106) when there is overloading on the standard communication channel (404).

REFERENCES:
patent: 5507008 (1996-04-01), Kanai et al.
patent: 6295284 (2001-09-01), Maggenti
patent: 6339713 (2002-01-01), Hansson et al.
patent: 6356767 (2002-03-01), Froula
patent: 6360103 (2002-03-01), Veerasamy
patent: 6374099 (2002-04-01), Bi et al.
patent: 6631269 (2003-10-01), Cave
patent: 6868273 (2005-03-01), Cave
patent: 2004/0033807 (2004-02-01), Cave
patent: 402056157 (1990-02-01), None

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