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Method for reducing the risk of dropped calls in mobile communications network

A technology of mobile communication network and communication session, applied in the field of mobile communication network, can solve the problems of call drop of base station/mobile station and unreachable signaling, and achieve the effect of reducing the risk of call drop

Inactive Publication Date: 2010-09-01
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, signaling in the downlink and / or uplink cannot reach the base station / mobile station and thus call drops occur

Method used

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  • Method for reducing the risk of dropped calls in mobile communications network
  • Method for reducing the risk of dropped calls in mobile communications network
  • Method for reducing the risk of dropped calls in mobile communications network

Examples

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Embodiment Construction

[0021] figure 1 An example wireless mobile communication network 10 for providing mobile communication services to one or more mobile stations 100 is shown. The term "mobile station" as used herein refers to any portable communication device capable of wireless connection to a communication network. The term "mobile station" includes, but is not limited to, mobile phones, pagers, personal digital assistants, and laptop or palmtop computers. Example wireless communication network 10 includes a Wideband Code Division Multiple Access (WCDMA) system as specified by the Third Generation Partnership Project (3GPP). Those skilled in the art will realize that the present invention can also be used in mobile communication systems based on other standards, and the present invention is not limited thereto.

[0022] The mobile communication network 10 includes a core network (CN) 30 (eg, the Internet) connected to one or more external packet data networks and one or more radio access ne...

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Abstract

A method for reducing the risk of dropped calls in a mobile communication network, wherein secondary connection information is sent to a mobile station during an event via a first communication link using a first radio access technology (401); it is detected when the mobile station makes a new connection on a second communication link specified in the secondary connection information (403); and packets for the mobile station from the first communication link are rerouted to the second communication link (404).

Description

technical field [0001] The invention relates to a mobile communication network, in particular to a method and equipment for reducing the risk of call drop in the mobile communication network. Background technique [0002] One of the most irritating situations for mobile end users is when the network causes dropped calls. There are a number of different reasons why a call may be dropped, but the most common reasons fall into three categories: (a) out of coverage, (b) poor cell planning and (c) sudden changes in interference conditions. [0003] Dropped calls due to poor cell planning usually manifest as an increased probability of dropped calls at a certain location or location in the network. Problems due to sudden changes in interference conditions may be a problem in current cellular systems, but will most likely be a larger problem in cellular systems utilizing Time Division Duplex (TDD). Time division duplex means that the uplink and downlink are transmitted on the sam...

Claims

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Application Information

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IPC IPC(8): H04W36/12
CPCH04W36/02H04W36/06H04W76/028H04W36/14H04W76/19H04W36/142
Inventor 本特·林多夫约翰·帕姆普
Owner TELEFON AB LM ERICSSON (PUBL)
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