WACS-type mobile communication with a unified frame format

Details WACS-type mobile communication with a unified frame format WACS-type mobile communication with a unified frame format

1995-11-24

1998-02-10

Tarcza, Thomas H.

Cryptography

Key management

Having particular key generator

380 48, H04L 900

Patent

active

057177627

ABSTRACT:
In a mobile communication system of the WACS type, frame formats are unified for DSL, HDSL, and DS1 channels. In addition, each novel base station (25) comprises a radio frame number processor for adding, to upward encrypted information data directed from mobile stations (27) towards a base control station (21), a radio frame number which is used in downward encrypted information data transmitted from the base control station to one or more of the mobile stations and may not necessarily be used in each mobile station on issuing the upward encrypted data.

REFERENCES:
patent: 5237612 (1993-08-01), Raith
patent: 5361302 (1994-11-01), Malek et al.
patent: 5365590 (1994-11-01), Brame
"General Criteria for Version 0.1 Wireless Access Communication Systems (WACS)", BellCore Tehnical Reference TR-INS-001313, Issue 1, Chapter 5, Oct. 1993.

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