Importance

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Abstract

A cellular adjunct system for extending telephone service provided by a wired telephone network to a cellular handsets without incurring the costs associated with implementing a full-featured cellular system. The cellular adjunct system includes a base station subsystem and a cellular adjunct control block. The base station subsystem includes radio resource management facilities for permitting the plurality of cellular handsets to communicate with the base station subsystem in a cellular manner. The cellular adjunct control block, which is coupled between the base station subsystem and switching networks in the public wired telephone network, includes a registry, a mobile switching center, and a mini-central office. From the perspective of the public wired telephone network, the cellular handsets appear to be wired telephone sets that are managed by the cellular adjunct control block. The fact that the cellular adjunct system offers wireless advantages typically associated with a standard full-featured cellular system is transparent to the public wired telephone network. When subscriber management for the cellular handsets is handled by the public wired telephone network, the implementation of the cellular adjunct system is substantially simplified.

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First Claim