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Handover between mobile communication networks

a mobile communication network and call technology, applied in the direction of network data management, electrical equipment, selection arrangements, etc., can solve the problems of inability to scan broadly for available networks, the list of available cells may become too large in practical terms for user equipment, and the inability to select, etc., to facilitate handover and facilitate handover.

Inactive Publication Date: 2006-08-31
NEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention relates to two different ways for mobile devices to connect to various networks: through a UMTS network or a GSM network. These connections can be made either directly with the device's current network or via another network that provides access to both UMTS and GSM networks. The technical effect of this invention is improved flexibility and reliability for users who want to switch between different types of networks while maintaining their connection quality.

Problems solved by technology

The technical problem addressed in this patent text relates to allowing users to choose their preferred network amongst multiple options while they are making calls. Currently, there is no way for users to switch networks without disconnecting from the first network. Even if a user could connect to another network through a limited list of nearby cells, they would still struggle to find the strongest signals due to the high demand for resources during phone calls. Additionally, supplying detailed information about all nearby networks could compromise the privacy and security of sensitive network data.

Method used

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  • Handover between mobile communication networks
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Embodiment Construction

[0023] An embodiment of the invention will now be described, by way of example.

[0024] By way of explanation, we will describe in general terms, the elements of a practical implementation of a handover system embodying several of the above aspects and advantageous features. The following applies to both handover between networks of a similar type (e.g. GSM) belonging to different network providers, or between networks—of differing types (e.g. UMTS to GSM), unless otherwise stated. Indeed, in certain applications it may be possible to select between multiple networks of multiple types, for example GSM 900, GSM 1900, UMTS and local coverage networks.

[0025] Features of User Equipment

[0026] In addition to “standard” user equipment features, for communicating with the networks between which handover is to be performed (for a UMTS to GSM handover, this requires a dual mode terminal), the user equipment should ideally have the following components:—

[0027] A store for a list of network pr...

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Abstract

The invention provides a method of handover from an active network to a selected one of a plurality of potential other networks. In addition to the overall solution, the solution proposed has several individual aspects. All subsidiary aspects are related to the common problem mentioned above and sharing the underlying common solution concept of implementing a system in which selective handover is possible and in which a list of available other networks provided by an active network can be handled and selection made by a terminal, so that neighbor cell information can be transmitted based on expressed terminal preferences.

Description

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Claims

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Application Information

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Owner NEC CORP
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