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Network Selection Mode

IP.com Disclosure Number: IPCOM000173333D
Original Publication Date: 2008-Aug-12
Included in the Prior Art Database: 2008-Aug-12
Document File: 1 page(s) / 25K

Publishing Venue

Siemens

Related People

Juergen Carstens: CONTACT

Abstract

As different networks and network technologies exist, presently the network selection process is handled by policies provided by the network to the mobile devices. The devices consider these policies along with radio quality and application requirements and then choose the target network. In order to ensure traffic distribution, congestion management and use of the preferred networks more network control needs to be added on top of the policy based network selection. In this case, the network sends direct handover commands. However, using this method adds complexity to the network compared to the policy based network selection as communication with the device is required before the device selects the new target network. If this method is used all the time it also may overload the system. A mechanism which allows for changing between policy based network selection and network controlled handover does not exist.

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Network Selection Mode

Idea: Mika Forssell, FI-Espoo

As different networks and network technologies exist, presently the network selection process is handled by policies provided by the network to the mobile devices. The devices consider these policies along with radio quality and application requirements and then choose the target network. In order to ensure traffic distribution, congestion management and use of the preferred networks more network control needs to be added on top of the policy based network selection. In this case, the network sends direct handover commands. However, using this method adds complexity to the network compared to the policy based network selection as communication with the device is required before the device selects the new target network. If this method is used all the time it also may overload the system. A mechanism which allows for changing between policy based network selection and network controlled handover does not exist.

A novel solution to the problem mentioned above is presented in the following. Criteria can be defined according to which the network can change the used network selection mode. Criteria can include network congestion, device location, daytime, or number of attached devices. The selection mode indicates the mobile devices whether the policy based network selection or the network control...