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Data transmission method, evolved base station and system in handover process

A data transmission method and technology for evolving base stations, applied in digital transmission systems, transmission systems, data exchange networks, etc., can solve problems such as user data loss, and achieve the effect of avoiding data loss and improving user performance.

Active Publication Date: 2016-03-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of user data loss that may be caused by handover cancellation in the prior art, embodiments of the present invention provide a data transmission method, evolved base station, and system during handover

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  • Data transmission method, evolved base station and system in handover process
  • Data transmission method, evolved base station and system in handover process
  • Data transmission method, evolved base station and system in handover process

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Embodiment Construction

[0044] In order to solve the problem in the prior art that the user data buffered by the target node may be lost due to handover cancellation, the present invention provides a data transmission method during the handover process.

[0045] Embodiment 1 of the present invention provides a data transmission method during handover, including the following steps:

[0046] Step 101, receiving a handover cancel message sent by the source eNB;

[0047] Step 102. Obtain a data return address, which is allocated by the source evolved base station;

[0048] Step 103: Send the cached data to the source eNB according to the data return address.

[0049] Embodiment 2 of the present invention also provides a data transmission method during handover, including the following steps:

[0050] Step 201, assigning a data return address;

[0051] Step 202, if the handover fails, send a handover cancel message;

[0052] Step 203: Receive the data cached in the target eNB returned according to th...

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Abstract

A switching phase data transferring method, evolution base station and communication system solve the problem of user data missing, which is probably caused by cancelling the switch. The method comprises the following steps: receiving a switch cancelling message sent by a source evolution base station; acquiring a data reflux address, which is distributed by the source evolution base station; sending buffered data to the source evolution base station based on the data reflux address.

Description

technical field [0001] The invention relates to the communication field, in particular to the data transmission technology in the switching process. Background technique [0002] At present, the research work of LTE (Long Term Evolved, long-term evolution network) / SAE (System Architecture Evolved, system architecture evolution network) is in progress. The purpose of LTE is to provide a low-cost network capable of reduced latency, increased user data rate, improved system capacity and coverage. [0003] In the LTE / SAE network, a connected UE (User Equipment, user equipment) enters the control area of ​​the target eNodeB from the control area of ​​the source eNodeB (eNodeB, evolved base station), and needs to switch control signaling and transmit data. The handover process can be divided into three parts: the handover preparation phase, the handover execution phase and the handover completion phase. The handover preparation phase is mainly to complete the resource reservatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/70
CPCH04W36/385
Inventor 支春霞陈芳郭小龙
Owner HUAWEI TECH CO LTD
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