Communication system that supports wireless remote programming p

Details Communication system that supports wireless remote programming p Communication system that supports wireless remote programming p

1996-09-27

1999-01-19

Bost, Dwayne D.

Telecommunications

Radiotelephone system

Programming control

455426, 455552, H04Q 724

Patent

active

058624759

ABSTRACT:
A multiple mode, personal, wireless communications system exists within a radiotelephone network serving general customers and provides additional services to a select group of customers. The system uses handsets (32) which automatically switch between a standard cellular radiotelephone mode of operation (1901) and an enhanced cordless mode (1420) when the handsets (32) are within range of pico cells (26) that are interconnected to the public switched telephone network (20). Each pico cell is controlled via a framework of overlay cells (10b) that operates independently of the radiotelephone network and uses a unique control protocol on a small number of reserved cellular channels. Each pico cell consists of a spectrally dynamic, non-capturing, frequency agile, multi-purpose base station (26) provided at customer-selected locations to cooperate with the overlay cell framework. Each pico cell is capable of supporting multiple handsets (32) and using low power operation that achieves limited coverage. Each pico cell reduces traffic on the standard cellular radiotelephone network by independently handling registered handsets (32). An alternate line option module (22) provides wireless local interconnect capability to selectively route call traffic between land lines (24) and the standard cellular radiotelephone network. Service control units (12) and host stations (17) facilitate wireless activation and control of each pico cell and handset (32) via the overlay cell framework.

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patent: 5357559 (1994-10-01), Kallin et al.
patent: 5422930 (1995-06-01), McDonald et al.
patent: 5442680 (1995-08-01), Schellinger et al.
patent: 5485505 (1996-01-01), Norman et al.
patent: 5526402 (1996-06-01), Dent et al.
patent: 5544225 (1996-08-01), Kennedy, III et al.
"Mobile Cellular Telecommunications Systems" William C. Y. Lee, pp. 246-247, 1989.

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