Handover controlling process capable of detecting lost handover message

A control method, a technology for switching requests, applied in error prevention/detection using return channels, network traffic/resource management, electrical components, etc., and can solve problems such as system efficiency decline

Inactive Publication Date: 2010-03-24
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the mobile station 10 does not receive the handover request message MOB_BSHO-REQ 110 at all, additional actions and time consumption will lead to a decrease in system efficiency

Method used

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  • Handover controlling process capable of detecting lost handover message
  • Handover controlling process capable of detecting lost handover message
  • Handover controlling process capable of detecting lost handover message

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Embodiment Construction

[0025] Certain terms are used in the description and claims to refer to particular elements. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Includes" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0026] The solution proposed by the present invention is to m...

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Abstract

The behavior of an MS and Serving BS is clarified in a situation where a handover message, such as a handover request message or an indication message, is lost. By setting a timer and an acknowledgement of the handover message, a handover control process is capable of detecting the loss of the handover message. When the loss is detected, the MS or the Serving BS can resend the lost message or perform some repairing steps to avoid asynchronous states of the MS and the Serving BS.

Description

technical field [0001] The present invention relates to a handover (Handover) handshake (Handshake) procedure, and particularly relates to a handover handshake procedure that can detect whether handover information is lost. Background technique [0002] Each base station used in the communication system has a designated limited coverage area. When the mobile station (Mobile Station, MS) leaves the specific coverage area of ​​the serving base station (Serving BaseStation, SBS) while the call is in progress, the mobile station will change its connection from the serving base station to another base station. Since the mobile station will not cut off the connection with the serving base station without completely establishing a new connection with another base station, the ongoing call will not be interrupted, and this procedure is called handover. In the handover procedure, since the ongoing conversation is always handled by a base station or channel suitable for the mobile st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00
CPCH04W36/0055H04L1/18H04W28/04H04W36/0079
Inventor 李吉真李才宝
Owner MEDIATEK INC
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