Method for controlling multi-mode multi-band mobile...

Details Method for controlling multi-mode multi-band mobile... Method for controlling multi-mode multi-band mobile...

2011-01-04

2011-01-04

Phuong, Dai A (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S328000, C370S329000, C370S338000, C370S352000

Reexamination Certificate

active

07864730

ABSTRACT:
The present invention relates to a method of controlling a mobile communication terminal and mobile communication system therefor. In the mobile communication terminal control method, a synchronous base station of a synchronous area placed at the boundary region of an asynchronous area transmits a dummy pilot signal at the same frequency as that of a signal used in the asynchronous mobile communication system and drives a synchronous modem unit of the mobile communication terminal moving from the asynchronous area to the synchronous area. A handover cell is constructed at the boundary between synchronous and asynchronous areas, and a handover base station in the handover cell transmits a signal including system information at the same frequency as that of a signal used in the asynchronous mobile communication system, thus driving the synchronous modem unit of the mobile communication terminal entering the handover cell.

REFERENCES:
patent: 6070075 (2000-05-01), Kim
patent: 6456858 (2002-09-01), Streter
patent: 6704581 (2004-03-01), Park et al.
patent: 2002/0051432 (2002-05-01), Shin
patent: 2002/0061749 (2002-05-01), Hunzinger
patent: 2005/0043046 (2005-02-01), Lee
patent: 2001-186552 (2001-07-01), None
patent: 03/079716 (2003-09-01), None
International Search Report dated Apr. 19, 2005 for PCT/KR2005/000029.

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