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System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof

A technology of packet data service and communication system, which is applied in the field of packet data service system and switching field in the hybrid network of asynchronous communication network and synchronous communication network, and can solve the problems of increased connection time and service quality degradation

Inactive Publication Date: 2011-06-15
SK TELECOM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If it is not kept on standby when switching from an asynchronous mobile communication system to a synchronous mobile communication system, that is, if the packet data service is not completely released, there will be a disadvantage that the mobile communication terminal will service, the process of connecting to a synchronous mobile communication system must be performed again from scratch, resulting in a decrease in service quality, such as an increase in connection time

Method used

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  • System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof
  • System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof
  • System for packet data service in the mixed network of asynchronous communication network and synchronous communication network and hand-over method thereof

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Embodiment Construction

[0018] In order to achieve the above object, the present invention provides a switching method for providing packet data services to a dual-frequency dual-mode mobile communication terminal in a mobile communication network where asynchronous and synchronous mobile communication systems coexist, and the dual-frequency dual-mode mobile communication terminal Having an asynchronous modem unit and a synchronous modem unit, the asynchronous mobile communication system has a gateway general packet radio service (GPRS) support node (GGSN) connected to a packet data serving node of the synchronous mobile communication system, and the switching method includes The following steps: first step, when the mobile communication terminal connected to the asynchronous mobile communication system and using the packet data service moves to the area of ​​the synchronous mobile communication system and a handover event occurs, the asynchronous mobile communication system The Node B of the asynchro...

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Abstract

Disclosed herein is a mobile communication terminal and handover method therefor. In the mobile communication system, a Gateway GPRS Support Node (GGSN) of the asynchronous network is connected to a Packet Data Service Node (PDSN) of the synchronous network. Accordingly, as a mobile communication terminal, using packet data service in the asynchronous mobile communication system, moves into an area of a synchronous mobile communication system, the synchronous mobile communication system sets control signals and traffic to transmit packet data in response to a request from the asynchronous mobile communication system. Further, if forward and reverse channels are assigned between the mobile communication terminal and the synchronous mobile communication system, call setup is performed to provide the packet data service, and then a node B of the asynchronous mobile communication system releases the connection to the mobile communication ninal.

Description

field of invention [0001] The present invention generally relates to a handover method for packet data services in a mobile communication network where asynchronous and synchronous networks coexist, and in particular to a mobile communication system and a handover method thereof, wherein the system and method can be used between asynchronous and synchronous In the mobile communication network where the network coexists, when the gateway GPRS support node of the asynchronous network is connected to the packet data service node of the synchronous network, the mobile communication terminal that is using the packet data service or is in the standby state is switched. technical background [0002] With the development of mobile communication technology, the mobile communication network is changing every generation. Currently, the structure adopted by the network is a synchronous mobile communication system (code division multiple access (CDMA) mobile communication system) designe...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04B7/26
CPCY02B60/50H04W36/14H04W88/06H04W88/18Y02D30/70
Inventor 金显郁金永洛金南健任种太
Owner SK TELECOM CO LTD