A method for quick switching of mobile terminal

A mobile terminal and fast switching technology, applied in the field of communication, can solve the problems that the original IP packet cannot be processed, the terminal session cannot continue, etc., and achieve the effect of avoiding loss

Inactive Publication Date: 2008-02-20
SHENZHEN TINNO MOBILE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And if the target PDSN fails to install the context, the target PDSN cannot process the original IP packet sent, which will cause the terminal session to fail

Method used

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  • A method for quick switching of mobile terminal
  • A method for quick switching of mobile terminal
  • A method for quick switching of mobile terminal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0092] Embodiment 1: As shown in FIG. 6, the HRPD is quickly switched, the context is transferred immediately, and the target PDSN installs the context successfully;

[0093] a. MS connects to the network, performs authentication and obtains an IP address. The source PDSN executes the proxy mobile IP process, and binds the MS address with the address of the source PDSN.

[0094] b. MS initiates the application and is active.

[0095] c. The source AN determines that the MS needs to be handed over to the target AN. Execute the handover procedure between ANs, including transmitting the HRPD session information of the source PDSN address to the target AN.

[0096] d. The target AN confirms that the source PDSN is unreachable, selects a target PDSN and sends an A11-reg-request to pre-establish the A10 link. The information includes the address of the source PDSN and the mapping information from IP flow ID to A10.

[0097] e. The target PDSN sends the HO_Request message to the ...

Embodiment 2

[0106] Embodiment 2: As shown in FIG. 7 , the HRPD is quickly switched, the context is transferred immediately, and the target PDSN fails to install the context;

[0107] a. MS connects to the network, performs authentication and obtains an IP address. The source PDSN executes the proxy mobile IP process, and binds the MS address with the address of the source PDSN.

[0108] b. MS initiates the application and is active.

[0109] c. The source AN determines that the MS needs to be handed over to the target AN. Execute the handover procedure between ANs, including transmitting the HRPD session information of the source PDSN address to the target AN.

[0110] d. The target AN confirms that the source PDSN is unreachable, selects a target PDSN and sends an A11-reg-request to pre-establish the A10 link. The information includes the address of the source PDSN and the mapping information from IP flow ID to A10.

[0111] e. The target PDSN sends the HO_Request message to the sour...

Embodiment 3

[0117] Embodiment 3: As shown in FIG. 8, HRPD fast switching, delayed context transfer, target PDSN installation context is successful

[0118] a. MS connects to the network, performs authentication and obtains an IP address. The source PDSN executes the proxy mobile IP process, and binds the MS address with the address of the source PDSN.

[0119] b. MS initiates the application and is active.

[0120] c. The source AN determines that the MS needs to be handed over to the target AN. Execute the handover procedure between ANs, including transmitting the HRPD session information of the source PDSN address to the target AN.

[0121] d. The target AN confirms that the source PDSN is unreachable, selects a target PDSN and sends an A11-reg-request to pre-establish the A10 link. The information includes the address of the source PDSN and the mapping information from IP flow ID to A10.

[0122]e. The target PDSN sends the HO_Request message to the source PDSN, and includes the co...

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Abstract

The utility model relates to a method for mobile terminal to perform fast handoff, which comprises: A. A target access gateway transfers handoff request message to a source access gateway; B. The source access gateway responds with the request and transfers context information of the mobile terminal to the target access gateway; C. The target access gateway assembles the context and feedbacks the result of context assembling to the source access gateway; D. The source access gateway / the target access gateway determine whether to process grouped data according to the result of the target access gateway context assembling. The utility model has advantages that the target access gateway sends the information of whether the result of context assembling having been successful to the source access gateway after the source access gateway sending context information to the target access gateway, making the source access gateway process the grouped data continuously when the context assembling of the target access gateway fails, avoiding the grouped data loss after assembling failure.

Description

technical field [0001] The invention relates to the communication field, in particular to a method for fast switching of a mobile terminal. Background technique [0002] The existing CDMA2000 system, including CDMA 1x and high-speed packet data (HRPD, HighRate Packet Data) system, can provide a data rate up to 153.6kbps, and can carry out packet data services such as video on demand (VOD), online games, and high-speed data downloads. How to effectively manage service mobility is very important. One of the purposes of service mobility management is to ensure service continuity when the mobile terminal moves. [0003] FIG. 1 is a structure diagram of an existing CDMA2000 network packet domain. In the figure, the solid line is a transmission path for carrying data, and the dotted line is a transmission path for signaling. The mobile terminal is within the coverage of the access network / packet control function (AN / PCF), and the packet data serving node (PDSN) connects the mobil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04L12/56H04Q7/32H04W28/16H04W36/10H04W36/14
Inventor 刘继兴王洁黄龙贵钟鑫杨霞赵洁林璟
Owner SHENZHEN TINNO MOBILE TECH CO LTD
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