Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1997-10-07
2000-08-15
Hunter, Daniel S.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455422, H04Q 720
Patent
active
06104928&
ABSTRACT:
The present invention provides geographically fixed receiver functionality for subscriber information which specifies the subscriber's identity in a mobile telecommunications system. This is achieved in accordance with the present invention by associating the Subscriber Identification Information (SII) with a fixed geographical reference point rather than with a particular device. In accordance with one embodiment of the present invention the access point lies outside the radio telecommunications system. In this embodiment, the control signals of the mobile system must be transmitted right up to the subscriber's premises. In a further preferred embodiment the access point lies in the radio telecommunications system. In the latter embodiment, the control signals of the mobile telecommunications system may be terminated in an access node which may be conveniently located in a wired base station. In this embodiment, the control signals of the mobile telecommunications system are not transmitted to the customer premises. Also, the voice coding typically used in mobile telecommunications systems may be terminated at the access node and not at the customer premises. In another embodiment of the invention, the functions of the access node of the previous embodiment is shared between an access base station and a responder on the customer's premises. The responder is capable of responding to certain inquiries initiated in the wireless network, e.g. to provide subscriber identity information or to provide the result of an encryption algorithm carried out on a random number supplied from the wireless network.
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Dettmer, "Where there's WILL", IEEE Review, Jul., 1995, pp. 145-148.
Tuttlebee, "Cordless telephones and cellular radio; synergies of DECT and GSM", Electronics and Communication Engineering Journal, Oct., 1996, pp. 213-223.
Hunter Daniel S.
Nortel Dasa Network System GmbH & Co. KG
Wyche Myron K.
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