International mobile station identification method and signaling

Details International mobile station identification method and signaling International mobile station identification method and signaling

1995-08-07

1997-12-16

Cumming, William

Pulse or digital communications

Repeaters

Testing

H04Q 700

Patent

active

056994087

ABSTRACT:
A cellular radiotelephone or MS (100) includes an international mobile station identification including a mobile country code MCC, a mobile network code MNC, an area code MIN2 and a local number MIN1, all of which are stored in the EEPROM memory (124) of the MS. In the IMSI signaling system, a unique MIN1 coded number in the IMSIQ field of access and order messages is used to identify an IMSI access message from an IMSI MS or an IMSI order message from an IMSI base station or BS. In receiving order messages, an IMSI MS first looks for its MIN1, and if not found, then looks for unique MIN1 coded number in the IMSIQ field. If the unique MIN1 coded number is detected, the IMSI MS then looks for MIN1 in the last word of the message.

REFERENCES:
patent: 4473720 (1984-09-01), Hegi
patent: 4521648 (1985-06-01), Hegi
patent: 5159701 (1992-10-01), Barnes et al.
patent: 5557654 (1996-09-01), Maenpaa
patent: 5566183 (1996-10-01), Partya
patent: 5629974 (1997-05-01), Rajala et al.

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