Radio port controller in a wireless personal communications syst

Details Radio port controller in a wireless personal communications syst Radio port controller in a wireless personal communications syst

1997-09-23

1998-08-04

Cain, David C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

39520079, H04K 900

Patent

active

057906769

ABSTRACT:
A preferred embodiment provides a radio port controller in a wireless personal communications system including a first interface module in communication with a radio port, a second interface in communication with a digital switch, and at least one switching transcoder module in communication with the first and second interface modules. A further preferred embodiment provides that the switching transcoder module includes a digital signal processor. The radio port controller preferably has a communication backplane including a plurality of slots, and each slot is preferably adapted to selectively receive either a T1 card interfacing to a T1 line or an E1 card interfacing to an E1 line.

REFERENCES:
patent: 4829554 (1989-05-01), Barnes et al.
patent: 5343513 (1994-08-01), Kay et al.
patent: 5475689 (1995-12-01), Kay et al.
patent: 5526397 (1996-06-01), Lohman
patent: 5727160 (1998-03-01), Ganesan et al.

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