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Method of cell reselection in wireless telecommunication device

A cell reselection, wireless telecommunication technology, applied in wireless communication, electrical components, access restriction, etc.

Active Publication Date: 2013-04-03
RES IN MOTION LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As described in PCT patent application WO2007 / 086679, for example, this can lead to a so-called "ping-pong effect" from one radio access network to another

Method used

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  • Method of cell reselection in wireless telecommunication device
  • Method of cell reselection in wireless telecommunication device
  • Method of cell reselection in wireless telecommunication device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0019] Apparatus and methods for cell reselection in a wireless telecommunication device operable with multiple radio access networks are described. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the technique may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to avoid unnecessarily obscuring the present invention.

[0020] In one aspect, the requirements previously noted in the Technical Field and Background and made apparent from the following description are achieved by a method of cell reselection in a wireless telecommunication device operable with multiple radio access networks other requirements and purposes. In other aspects, the present invention includes: devices and computer-readable media co...

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Abstract

Apparatus and a method of cell reselection in a wireless telecommunications device operative with a plurality of radio access networks are disclosed. The method comprises, when the device is camped on a first radio access network: ranking cells in a neighbouring list according to cell reselection criteria; considering for cell reselection a cell in the neighbouring list; when the cell in the list is a cell of a second radio access network different from the first radio access network, applying an algorithm for cell reselection from the second radio access network to the first radio access network; and when the algorithm as applied would result in reselection to the first radio access network, considering for cell reselection another cell in the list.

Description

technical field [0001] The present application generally relates to mobile telecommunications systems, generally having particular application in UMTS (Universal Mobile Telecommunications System), and the present invention specifically relates to a device for performing cell reselection in a wireless telecommunications device operable in multiple radio access networks and methods. Background technique [0002] In a typical cellular radio system, wireless telecommunication devices communicate with one or more core networks via one or more radio access networks (RAN). In UMTS systems, such devices are typically called User Equipment (UE), while in GSM such devices are typically called Mobile Stations (MS). Such devices include various types of devices such as mobile telephones (also known as cellular telephones or portable telephones), laptop computers with wireless communication capabilities, personal digital assistants (PDAs), and the like. These devices may be portable, h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/08H04W36/14
CPCH04W88/06H04W48/18
Inventor 吉里·纳拉亚纳·雷迪安德鲁·约翰·法恩斯沃思
Owner RES IN MOTION LTD