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Method for transmitting data between a mobile terminal and at least one stationary data network, mobile terminal and motor vehicle having a mobile terminal

A mobile terminal, data network technology, applied in the directions of location-based services, wireless communications, electrical components, etc., to avoid mutual blocking or even disconnection

Active Publication Date: 2014-07-23
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that the radio network operator must equip its base stations with corresponding control devices for this purpose

Method used

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  • Method for transmitting data between a mobile terminal and at least one stationary data network, mobile terminal and motor vehicle having a mobile terminal

Examples

Experimental program
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Embodiment Construction

[0024] A control unit 14 is present in vehicle 10 , which exchanges data via a mobile radio module 16 with various servers in a data network 18 , for example the Internet. Control device 14 may be a component of an infotainment system, for example. For this purpose, the mobile radio module 16 is connected via a radio connection 20 to a base station 22 of the mobile radio network. The radio interface to the mobile radio network is formed via the base station 22 . Range 24 of base station 22 is limited in such a way that radio connection 20 cannot be maintained for the entire duration of travel on route 12 . Therefore, in order to be able to exchange data with the data network also outside the range 24, a radio connection must be established at a given moment by means of the mobile radio module 16 with further base stations 26, 28, 30, 32, which can Be part of the same mobile radio network or another mobile radio network. The current position of vehicle 10 is known to control...

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Abstract

For mobile access to a stationary data network (18), a substantially location-dependent transmission bandwidth is provided by a wireless interface (22, 26 to 32). The aim of the invention is to avoid movement-related limitations during the data transmission in a mobile terminal (14, 16). In order to achieve said aim, according to the invention a geodatabase (38) is provided, in which historical values relating to wireless interface parameters are stored for a plurality of locations (46, 50) and for predetermined times (T1, T2). From said stored values, probable values are then ascertained for future data transmissions. For this purpose, at the outset a probable route for movement (12) of the mobile terminal is ascertained and, in relation to locations (46, 50) along the route for moving, it is ascertained when (T1, T2) the mobile terminal (14, 16) will probably arrive there. By means of the geodatabase (38), it is then ascertained which transmission bandwidths on the locations (46, 50) are probably available at the locations (46, 50). During the broadcasting of data, at least one data transmission is then regulated in accordance with the transmission bandwidths probably available along the route for movement (12).

Description

technical field [0001] The invention relates to a method for transmitting data between a mobile terminal and at least one stationary data network via at least one radio interface. Also belonging to the invention is a mobile terminal having a mobile radio module for transmitting data via at least one radio interface and a control device for controlling the transmission process. Also belonging to the invention is a motor vehicle with such a mobile terminal. A method and a motor vehicle of this type are known from US 2010 / 0323715 A1. Also belonging to the invention is a method for generating a geographic database in which values ​​for a radio interface parameter of at least one radio interface are stored for a plurality of locations. Background technique [0002] During mobile access to a fixed data network, a defined transmission bandwidth is provided via the radio interface for exchanging data. Thus, for example, the Internet as a fixed data network can be reached from mob...

Claims

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Application Information

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IPC IPC(8): H04W4/02H04W64/00H04W72/04H04W72/10
CPCH04W4/025H04W64/006H04W72/51H04W72/56H04W72/54
Inventor L·恩格尔哈德S·恩格尔哈德
Owner AUDI AG
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