Inter-system handover

Details Inter-system handover Inter-system handover

2006-08-08

2006-08-08

Tsang, Fan (Department: 2645)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S440000, C455S442000, C455S552100, C370S331000

Reexamination Certificate

active

07089008

ABSTRACT:
A method for performing an inter-system handover of a user terminal in a telecommunications network comprising a first telecommunications system operable according to a first protocol and comprising a first service subsystem and a first access subsystem and a second telecommunications system operable according to a second protocol and comprising a second service subsystem and a second access subsystem; the user terminal storing capability data indicative of the user terminal's capabilities for communication with the service subsystems and the access subsystems.

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Translation of Japanese Office Action dated Sep. 2, 2004 in Japanese patent application No. 2001-515649.

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