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Automatic re-origination method for multimedia or voice call in mobile station

A mobility and terminal technology, applied in the direction of radio/induction link selection arrangement, selection device, wireless communication, etc., can solve the limitation of inability to accurately monitor WLL terminal mobility, increased system load, and low WLL terminal mobility And other issues

Inactive Publication Date: 2004-03-17
LG ELECTRONICS INC
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0020] That is, because the base station monitors and manages the location information of multiple WLL terminals or whether the WLL terminals are handed over, the load on the system increases
[0021] In addition, if a WLL terminal is used near a base station, the WLL terminal can guarantee its mobility in a wide area regardless of the moving direction of the WLL terminal, but if the WLL terminal is used near the boundary between base stations, the WLL terminal's mobility Mobility is small
[0022] That is, depending on the area where each WLL terminal is located, the usable area of ​​the WLL terminal is different, which causes a problem that the mobility limitation of the WLL terminal cannot be accurately monitored

Method used

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  • Automatic re-origination method for multimedia or voice call in mobile station
  • Automatic re-origination method for multimedia or voice call in mobile station
  • Automatic re-origination method for multimedia or voice call in mobile station

Examples

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Embodiment Construction

[0037] figure 2 It is a block diagram showing the structure of a device for limiting the mobility of a WLL terminal according to a preferred embodiment of the present invention, which includes: a WLL terminal 100 with a mobility limiting function and multiple base stations 200a, 200b adjacent to the WLL terminal 100 and 200c.

[0038] The WLL terminal 100 includes: a storage unit 101 for measuring each strength of received signals transmitted from the base stations 200a, 200b, and 200c at the time of initial registration and storing them; An activation area for activating a WLL terminal is set and corresponding operations are controlled; an RF module 103 is used to process RF signals for wireless communication with the base stations 200a, 200b and 200c; a modem 104 is used for demodulation by the RF module 103 for inputting RF signals or modulated signals for external transmission; a keyboard unit 105 for inputting user request signals; and a display unit 106 for displaying ...

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Abstract

A method for controlling a WLL terminal having a limited mobility function and a control method thereof are provided to measure RSSIs of many base stations to set an activated regional range, and to operate the WLL terminal only when all RSSI values are located within the activated regional range, thereby exactly executing the limited mobility function. A system is in initial state(S1), and individually measures RSSIs delivered from many base stations(S2). The system sets an activated region, and registers terminals in each base station(S3). The system decides whether an RSSI received from the first base station is located within a preset valid reception range(S4). If so, the system decides whether an RSSI of the second base station is located within the preset valid reception range(S6). If so, the system decides whether an RSSI of the third base station is located within the reception range(S7). If so, the system activates the terminals, and executes functions of the set terminals.

Description

technical field [0001] The present invention relates to an apparatus and method for limiting the mobility of a WLL (Wireless Local Loop) terminal, in particular, the present invention relates to a method for limiting the mobility of a WLL terminal by limiting the calibration characteristics of the receiving unit of the WLL terminal devices and methods. Background technique [0002] In general, a Wireless Local Loop (WLL) system is a telephone system constructed within a center around a base station of about 2-6 km with wireless communication instead of subscriber lines using cables. [0003] As the WLL system, many systems have been developed, including a system using satellite; a system using fixed microwave; a system using cellular technology, and a system using codeless technology (codeless). Among them, a system using cellular technology is widely used. [0004] For a system using cellular technology, it is possible to provide services in a larger area by using a mobil...

Claims

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Application Information

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IPC IPC(8): H04B7/24H04W84/14
CPCH04W40/02H04W84/14H04W88/02
Inventor 李在雄
Owner LG ELECTRONICS INC
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