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Mobile terminal communication system

A technology of mobile terminal communication and mobile terminal, which is applied in the field of mobile terminal communication system, and can solve problems that cannot be solved successfully

Inactive Publication Date: 2003-08-13
NEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this approach has so far been unsuccessful in addressing the above-mentioned problems

Method used

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  • Mobile terminal communication system
  • Mobile terminal communication system
  • Mobile terminal communication system

Examples

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Embodiment Construction

[0018] Referring first to FIG. 1, the figure shows the general structure of the mobile terminal communication system applying the present invention. The mobile terminal communication system shown in the figure includes an exchange 1, radio base station apparatuses 51 to 5N, mobile terminals 61 to 6N, and fixed terminals 11 to 1N.

[0019] Switching office 1 performs circuit switching connection, which includes circuit switching part 2, user number storage part 3, terminal type identification part 4, position information database part 5, communication end status identification part 6, automatic call initiation control part 7, timing part 8 and switch control section 9.

[0020] Radio base station devices 51 to 5N perform radio communication with mobile terminals through radio circuits, and their radio service areas are 71 to 7N, respectively.

[0021] Next, see figure 2 Each component of the exchange 1 will be described in detail. figure 2 The functional structure of the swi...

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Abstract

A mobile terminal communication system is disclosed wherein, when communication interruption occurs, communication is re-started automatically without labor by a user to perform a call re-origination operation. If communication is interrupted by deterioration of a radio circuit condition between a fixed terminal and a mobile terminal, then an automatic call origination control section automatically originates a call to the fixed terminal and the mobile terminal based on subscriber number information stored in a subscriber number storage section of an exchange and information of a radio service area; in which the mobile terminal is present, stored in a position information database section. If a response is received from both of the fixed terminal and the mobile terminal, then communication is re-started. If none of the fixed terminal (11) and the mobile terminal (61) responds within an automatic call origination time of a timer section (8), then the automatic call origination control section may (7) stop its calling operation for the fixed terminal (11) and the mobile terminal (61).

Description

technical field [0001] The present invention relates to a mobile terminal communication system for performing radio communication between a mobile terminal and another communication terminal through radio base station equipment. Background technique [0002] Since mobile terminal communications use radio circuits, it is easier to interrupt communications due to radio circuit deterioration or mobile terminals moving out of the radio service area than communications using fixed terminals. Once the communication is interrupted, it is necessary to initiate a call again from the originating party terminal or the terminating party terminal to the other party's terminal. [0003] Like this, mobile terminal communication has such a problem to need to solve: once communication is interrupted, must initiate call again from originating side or terminal side. [0004] A similar scheme is disclosed, for example, in Japanese Patent Laid-Open No. 45990 / 1994. According to the solution of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/74H04B7/26H04M3/00H04M3/42H04W4/16
CPCH04W4/16
Inventor 本多俊夫
Owner NEC CORP
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