Blocking of service in cellular radio system

Details Blocking of service in cellular radio system Blocking of service in cellular radio system

2009-04-17

2011-12-20

Ly, Nghi (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S422100, C455S423000, C455S418000, C455S466000

Reexamination Certificate

active

08081979

ABSTRACT:
Blocking of service in cellular radio system. An apparatus comprises a processor configured to control a stand-alone base station so that an emulated cell is formed by transmitting a control channel with information of a real cell and with such a transmission power that a subscriber terminal of a cellular radio system is forced to camp in the emulated cell, and to control the stand-alone base station to block service from the subscriber terminal before an integrity protection process is performed between the stand-alone base station and the subscriber terminal.

REFERENCES:
patent: 7489927 (2009-02-01), Dhillon
patent: 2008/0020749 (2008-01-01), Delaveau et al.
patent: 1 051 053 (2000-11-01), None
patent: 2 869 189 (2005-10-01), None
patent: 2007/010223 (2007-01-01), None
“3rdGeneration Partnership Project; Technical Specification Group Services and System Aspects; 3G Security; Security architecture (Release 5)”, 3GPP TS 33.102 V5.3.0 (Sep. 2003), pp. 1-61.
“3rdGeneration Partnership Project; Technical Specification Group Services and System Aspects; Circuit Teleservices supported by a Public Land Mobile Network ) PLMN (Release 5)”, 3GPP TS 22.003 V5.2.0 (Jun. 2002), pp. 1-21.
3rdGeneration Partnership Project; Technical Specification Group Radio Access Network; User Equipment (UE) procedures in idle mode and procedures for cell reselection in connected mode (Release 5), 3GPP TS 25.304 V5.3.0 (Jun. 2003), pp. 1-41.

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