Invention Grant
- Patent Title: Method for controlling multi-mode multi-band mobile communication terminal for hand-over between asynchronous communication network and synchronous communication network and mobile communication system therefor
- Patent Title (中): 用于控制异步通信网络和同步通信网络之间切换的多模式多波段移动通信终端的方法及其移动通信系统
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Application No.: US10585302Application Date: 2005-01-06
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Publication No.: US07864730B2Publication Date: 2011-01-04
- Inventor: Young-Lak Kim , Sung-Ho Shin , Hyun-Wook Kim , Jong-Tae Ihm
- Applicant: Young-Lak Kim , Sung-Ho Shin , Hyun-Wook Kim , Jong-Tae Ihm
- Applicant Address: KR Seoul
- Assignee: SK Telecom Co. Ltd.
- Current Assignee: SK Telecom Co. Ltd.
- Current Assignee Address: KR Seoul
- Agency: Lowe Hauptman Ham & Berner LLP
- Priority: KR10-2004-0000715 20040106; KR10-2004-0005145 20040127
- International Application: PCT/KR2005/000029 WO 20050106
- International Announcement: WO2005/067177 WO 20050721
- Main IPC: H04Q7/00
- IPC: H04Q7/00
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.
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