Radio telecommunications network, and a method of selecting...

Details Radio telecommunications network, and a method of selecting... Radio telecommunications network, and a method of selecting...

2007-10-02

2007-10-02

Feild, Joseph (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S437000, C455S438000, C455S439000, C455S442000, C455S067110, C455S067140, C455S115100, C370S328000, C370S332000, C370S338000, C370S412000

Reexamination Certificate

active

10809881

ABSTRACT:
In the method provided, test transmissions between the mobile user terminal and base station antennas are made, and the received test transmissions processed to determine respective signal path quality for each of the base station antennas. Upon the determined signal path quality exceeding a first predetermined threshold, but being less than a second predetermined threshold higher than the first predetermined threshold, the mobile user terminal is connected to the corresponding base station antenna by control channels but not data channels so as to be time synchronised. Upon the determined signal path quality exceeding the second predetermined threshold, the mobile user terminal is connected to the corresponding base station antenna by both control channels and data channels so as to be call connected.

REFERENCES:
patent: 5864760 (1999-01-01), Gilhousen et al.
patent: 6594243 (2003-07-01), Huang et al.
patent: 6754493 (2004-06-01), Jetzek
patent: 2004/0142692 (2004-07-01), Schwarz et al.
patent: 2006/0159051 (2006-07-01), English
patent: WO99/43177 (1999-08-01), None
patent: WO 00/38456 (2000-06-01), None
European Search Report for Appl. No. 05251544.2-2412-, (Jul. 4, 2005).

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