Managing multimode roaming mobile devices

A mobile device, multi-mode technology, applied in the direction of access restriction, electrical components, radio/inductive link selection arrangement, etc., can solve the problem of no CDMA network, etc., and achieve the effect of effective multi-mode roaming

Inactive Publication Date: 2007-05-02
NOKIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a GSM mobile device has no information about CDMA networks in its geographic area and vice versa

Method used

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  • Managing multimode roaming mobile devices
  • Managing multimode roaming mobile devices
  • Managing multimode roaming mobile devices

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0051] Fig. 2 is a schematic diagram illustrating the principle of user roaming between networks. In the following, the mobile equipment is referred to as mobile equipment ME, which is shown located in a first area - area 1, and communicates with the first network NW1 via a radio link RL. As known, this wireless link constitutes a physical signaling channel between the mobile equipment ME and the network over the air interface. In this case, the network with which the mobile equipment ME communicates is a CDMA (Code Division Multiple Access) network and the communication mode used for this wireless link is CDMA. However, area 1 also supports a second network NW2, which in the shown case is a GSM network. So-called multi-mode mobile devices can operate using different access technologies such as CDMA, GSM, WLAN, UMTS, etc. To this end, a multi-mode mobile device has a wireless interface for receiving and transmitting signals according to each of a number of different access t...

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Abstract

A mobile device for roaming between wireless communications networks in different geographical regions, the mobile device comprising a radio interface configured to receive network data over a wireless channel, said data relating to one or more of a plurality of access technologies available in a geographical region, a first store holding channel acquisition data relating to each of said plurality of access technologies for setting up a communication mode in a selected one of said access technologies, a second store holding a plurality of access technology selection parameters, and a multimode overlay function component configured to evaluate said data and select one of said access technologies based on at least one of said selection parameters.

Description

[0001] Claiming priority of a pending provisional application [0002] This patent application claims priority under 35 U.S.C. 119 to Provisional Patent Application 60 / 575,592, filed May 27, 2004, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] Embodiments of the present invention relate generally to over-the-air (OTA) device management, and more specifically, to managing multi-mode roaming mobile devices. Background technique [0004] The service provider establishes roaming agreements with other service providers in different geographical areas, so that when the user is in an area where the home service provider cannot provide services, the service can be provided by a different service provider with which the home service provider has a billing agreement . Any given region can support different systems and networks. For CDMA (Code Division Multiple Access) networks, the Preferred Roaming List PRL stored in the mobile...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W48/18H04W88/06
CPCH04W88/06H04W48/18
Inventor P·奥门M·曾格
Owner NOKIA CORP
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