Exchange which controls M SIMs and N transceivers and method the

Details Exchange which controls M SIMs and N transceivers and method the Exchange which controls M SIMs and N transceivers and method the

1997-10-03

2000-04-18

Vo, Nguyen

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455431, 455411, H04B 138, H04M 100

Patent

active

060526041

ABSTRACT:
An on-board aircraft telecommunication exchange (32) provides communication and authentication services for M subscriber identity modules (SIMs) using N transceivers (36), where M can be greater than N. Associations between SIMs (56) and transceivers (36) are established when needed. Accordingly, a pool of transceivers 36 is provided to serve the collective needs of many subscribers. A SIM based authentication process is performed (100) using a subscriber's original SIM (56). That authentication can be extended to a temporary SIM (106) that is substituted for the original SIM throughout the remainder of a flight. Alternatively, the original SIMs (56) may be locked in place and relinquished when a subscriber provides an appropriate PIN.

REFERENCES:
patent: 5444764 (1995-08-01), Galecki
patent: 5884168 (1999-03-01), Kolev et al.

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