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Ultra dense network transmission method, base station, user equipment (UE) and network element

An ultra-dense network and transmission method technology, which is applied in the field of base stations, ultra-dense network transmission methods, UE and network elements, and can solve problems such as handover data transmission interruption

Inactive Publication Date: 2017-05-31
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an ultra-dense network transmission method, base station, UE and network elements to solve the problem of handover data transmission interruption caused by cell splitting

Method used

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  • Ultra dense network transmission method, base station, user equipment (UE) and network element
  • Ultra dense network transmission method, base station, user equipment (UE) and network element
  • Ultra dense network transmission method, base station, user equipment (UE) and network element

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Embodiment 1

[0078] Such as image 3 As shown, the method of the present embodiment includes the following steps:

[0079] Step 101, preset conditions: UE accesses Ccell, Ccell has allocated one or several Dcells for UE to provide data transmission services for the UE, the link between UE and Dcell is recorded as Duu interface, and the link between UE and Ccell The link is marked as Cuu interface, and the link between Dcell and Ccell is marked as DC interface; among them, the coverage area of ​​Ccell contains one or more Dcells, and the coverage area of ​​Ccell is usually wide, which does not belong to the scope of UDN, and its mobility processing is not included in this document. Patent discussion.

[0080] Step 102, the Ccell monitors and receives the available Dcell information reported by the UE through the Cuu port, such as Figure 4 As shown, among them, Cuu has some or all of the following characteristics:

[0081] The design capacity of the Cuu port is lower than that of the Duu...

Embodiment 2

[0104] This embodiment includes the following steps:

[0105] Step 201 is the preset condition, same as the first embodiment.

[0106] Step 202, the Ccell monitors and receives the available Dcell information reported by the UE through the Cuu port, where Cuu is a logical connection, and the logical connection is divided into two sections from UE to Dcell and from Dcell to Ccell, such as Figure 5 As shown; according to step 201, the UE is connected to the Dcell through the Duu port; the Dcell is connected to the Ccell through the DC port, that is, the signaling between the UE and the Ccell is encapsulated as a signaling-specific logical pipeline, and is transmitted through the Duu port and the DC port .

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Abstract

The invention provides an ultra dense network transmission method, a base station, user equipment (UE) and a network element. The method comprises the steps of monitoring and receiving the information of an available data cell reported by the user equipment; and if the information of the available data cell meets a preset data cell change condition, generating a cell change message, and sending the message to the corresponding network element. According to the method, the base station, the user equipment and the network element provided by the invention, the problem that a user speed is decreased and delay is increased caused by frequent switching of an ultra dense network can be solved, the signaling processing pressure of base station equipment is relieved, and the design cost of the base station is reduced.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to an ultra-dense network (Ultra-Density Network, UDN for short) transmission method, a base station, a UE and a network element. Background technique [0002] As the 4th Generation Mobile Communication System (4G for short) enters the stage of large-scale commercial use, the 5th Generation Mobile Communication System (5G for short) facing 2020 and the future has become a global R&D hotspot. [0003] The International Mobile Telecommunications 2020 fifth generation mobile communication system promotion group (International MobileTelecommunications-20205G, referred to as IMT-2020 (5G)) proposed that 5G needs to have higher performance than 4G, and support a user experience rate of 0.1-1Gbps, per square kilometer One million connection density, millisecond-level end-to-end delay, tens of Tbps traffic density per square kilometer, mobility of more than 500Km per hour, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/08H04W36/16H04W36/32
CPCH04W36/08H04W36/165
Inventor 张庆宏雒艳孙中锋
Owner ZTE CORP
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