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Portable terminal and its position information reporting method, system and program

A technology for carrying terminal and location information, which is applied in the direction of selection device, telephone communication, wireless communication, etc., and can solve the problem of not being able to obtain location information

Inactive Publication Date: 2005-07-06
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the above-mentioned conventional portable terminal device, when the user enters the coverage area of ​​the base station where the destination exists, the portable terminal device simply notifies the situation that the destination is close, and does not know where the user is. How far is the location (location) from the destination, and there is a problem that detailed location information cannot be obtained

Method used

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  • Portable terminal and its position information reporting method, system and program
  • Portable terminal and its position information reporting method, system and program
  • Portable terminal and its position information reporting method, system and program

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Embodiment Construction

[0018] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0019] In this embodiment, a configuration applied to a PHS (registered trademark) terminal is shown as an example of a portable terminal device. FIG. 1 is an explanatory diagram showing the configuration of a mobile communication system according to an embodiment of the present invention.

[0020] The mobile communication system includes a switch 1 and a central device 2 that centrally manages the switch 1. The switch 1 is connected with attached base stations (CS) 3A, 3B, and 3C so as to communicate with the portable terminal devices 4A that exist in each responsible area. , 4B, 4C, 4D for wireless communication.

[0021] In the example of this FIG. 1, the following situations are shown: the portable terminal device 4A is in the area of ​​the base stations 3A, 3B, and 3C, the portable terminal device 4B is moving to the area of ​​the base station 3C, and the portable...

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Abstract

Based on the reception levels from multiple base stations, the user can be notified of correct location information relative to the destination. The mobile terminal device stores in advance the code of a receivable base station at a predetermined location and its reception electric field level in the base station identification signal storage unit 21 . In the base station area including a certain destination location, the code of the base station received from the base station is compared with the code of the base station stored in the base station identification signal storage unit 21. If the codes of the base station are consistent, the base station and the base station at that time are notified. The difference between the received electric field level and the registered received electric field level. For example, the distance to the destination calculated based on the received electric field level difference is displayed and notified on the display unit 17 .

Description

technical field [0001] The present invention relates to a portable terminal device used in a mobile communication system, a location information notification method, a location information notification system and a program. Background technique [0002] In a mobile communication system such as PHS (registered trademark) (Personal Handyphone System), a service of notifying positional information of each mobile terminal device in the system is currently provided. Conventionally, as such a portable terminal device, in (Japanese) Patent Application Publication No. 8-163643, a portable terminal device is disclosed, which includes a base station identification signal storage unit storing a code of a base station, and has a personal code When the base station performs wireless communication, the code transmitted from the base station is compared with the code stored in the base station identification signal storage unit, and if the codes match as a result o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/725H04W64/00
Inventor 鹿野清一丹藤克彦酒向毅名仓诚周防利克
Owner PANASONIC CORP