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Apparatus and methods for controlling sequenced message transfer during signal radio voice call continuity

A technology for information transmission and control sequences, applied in wireless communication, communication supplementary services, electrical components, etc., to solve problems such as interruptions and unsmooth mobile communication services

Inactive Publication Date: 2011-09-21
HTC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the mobile communication service carried by the non-access layer information flow may be abnormally unsmooth or even interrupted

Method used

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  • Apparatus and methods for controlling sequenced message transfer during signal radio voice call continuity
  • Apparatus and methods for controlling sequenced message transfer during signal radio voice call continuity
  • Apparatus and methods for controlling sequenced message transfer during signal radio voice call continuity

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Embodiment Construction

[0024] What is described in this specification is an example of implementing the present invention, and the following example is illustrated in conjunction with the accompanying drawings. However, the following embodiments are only representative examples of implementing the present invention, and do not represent all ways of implementing the present invention. The specifications and standards formulated by the 3rd Generation Partnership Project mentioned in the text are only used to help express the spirit of the present invention, and It is not intended to limit the scope of the present invention.

[0025] figure 1It is a mobile communication system according to an embodiment of the present invention. In the mobile communication system 100, the mobile communication device 110 can selectively connect to the base station 321 of the service network 120 or 130 to obtain wireless access services, wherein both the service networks 120 and 130 are connected to the network multimed...

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Abstract

The invention provides apparatus and methods for controlling sequenced message transfer during signal radio voice call continuity. The mobile communications device is provided with a wireless module and a controller module. The wireless module selectively performs wireless transceiving to and from a first service network or a second service network. The controller module receives, via the wireless module, a handover request for a handover from the first service network to the second service network, and determines whether a Non-Access Stratum (NAS) message flow with a counted sequence number is active on a Circuit-Switched (CS) domain of the first service network in response to the handover request. Also, the controller module keeps the counted sequence number unchanged in response to the NAS message flow being active on the CS domain of the first service network.

Description

technical field [0001] The present invention mainly relates to the technique of sequenced message transfer operation, and in particular to a mobile communication device and method for controlling sequenced message transfer in a Single Radio Voice Call Continuity (SRVCC) program. Background technique [0002] With the increasing demand for mobile communications, the Global System for Mobile communications (GSM), which only supports services in the Circuit-Switched (CS) field, is no longer sufficient. To this end, mobile communication working organizations and standard-setting organizations have developed third-generation mobile communication technologies, such as Wideband Code Division Multiple Access (WCDMA) technology. Taking the Universal Mobile Telecommunications System (UMTS) using wideband code division multiple access technology as an example, the 3rd Generation Partnership Project (3GPP) organization further proposed the Long Term Evolution (LTE), LTE) technology (al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/16H04W36/00
CPCH04W36/0022
Inventor 昆丹.提瓦利
Owner HTC CORP