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DC (Dual Connectivity)-based switching method and device

A handover request and handover type technology, which is applied in the communication field and can solve problems such as exceeding the capabilities of user equipment

Active Publication Date: 2019-01-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, since the source base station and the target base station communicate with the UE at the same time, there will be problems in the communication that exceed the capabilities of the user equipment

Method used

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  • DC (Dual Connectivity)-based switching method and device
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  • DC (Dual Connectivity)-based switching method and device

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Embodiment Construction

[0087] The terminology used in this application is for the purpose of describing certain possible implementations only and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" used herein refers to and includes one or more of the associated listed items or all possible combinations. It should be further understood that the term "comprising" used herein specifies the existence of stated features, data, information, integers, steps, operations, elements and / or parts without excluding one or more other features, data, information , the existence or addition of a whole, a step, an operation, an element, a part and / or a group thereof.

[0088] Firstly, some terms used in this application are explained below, so that those skilled in the art can understa...

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Abstract

The invention provides a DC (Dual Connectivity)-based switching method. The method includes the following steps that: a source base station sends a switching request to a target base station, whereinthe switching request carries the user equipment-aggregate maximum bit rate (UE-AMBR) of the target base station and / or the network slice information of user equipment (UE); and the source base station receives switching request feedback sent by the target base station. The capability of the user equipment is coordinated between the source base station and the target base station, so that DC (DualConnectivity)-based switching will not exceed the capability of the user equipment during the DC (Dual Connectivity)-based switching, and the coordination of the capability of the user equipment maybe implemented by the source base station or the target base station.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a DC-based switching method and device. Background technique [0002] In an existing communication network, a handover process is mainly divided into three parts, a handover preparation phase, a handover execution phase, and a handover completion phase. During the entire handover execution phase, there is no connection between the user equipment and the source base station (source eNB / gNB) (that is, the connection between the user equipment and the source base station is disconnected at this stage), but at this time there is no connection with the target base station (target eNB / gNB) establishes a connection, so at this stage, the user equipment cannot receive any data from the network side, which may cause data interruption or handover delay. In order to solve the handover delay problem, a concept based on dual connectivity (Dual Connectivity, DC) handover ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/08H04W36/18H04W36/28
CPCH04W36/08H04W36/28H04W36/13H04W36/0069H04W88/08H04W36/0016H04W36/0027H04W60/04
Inventor 晋英豪谭巍韩锋
Owner HUAWEI TECH CO LTD
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