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Method for adjusting auxiliary primary cells and evolved NodeB

A technology for assisting a primary cell and an adjustment method, applied in the field of communication, can solve the problem that the quality of PCell* signals is no longer reliable, and achieve the effect of improving communication efficiency

Active Publication Date: 2014-01-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the movement of user terminals, the signal quality of corresponding user terminals in each cell will also change, so the signal quality of PCell* is often no longer reliable

Method used

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  • Method for adjusting auxiliary primary cells and evolved NodeB
  • Method for adjusting auxiliary primary cells and evolved NodeB
  • Method for adjusting auxiliary primary cells and evolved NodeB

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] This embodiment provides a method for adjusting an auxiliary primary cell, such as figure 1 As shown, the method includes:

[0051] Step 101, the primary base station determines to change the first secondary primary cell served by the secondary base station, and selects a second secondary primary cell from the cells served by the secondary base station.

[0052] As an embodiment of the present invention, according to the measurement configuration on the network side, the UE continuously measures the radio signal quality of each cell carried by the SeNB, and reports the measurement results to the main base station PeNB through a measurement report message, and the main base station receives the measurement from the UE. report information such as figure 2 As shown, wherein the measurement report message includes the measurement results of the UE measuring the radio signal quality of each cell in the secondary base station.

[0053] The PeNB judges whether the signal qu...

Embodiment 2

[0071] This embodiment provides a method for adjusting an auxiliary primary cell, such as image 3 As shown, the method includes:

[0072] Step 201, the SeNB determines to change the first primary secondary cell served by the secondary base station, and selects a second primary secondary cell from the cells served by the secondary base station.

[0073] As an embodiment of the present invention, according to the measurement configuration on the network side, the UE continuously measures the radio signal quality of each cell carried by the SeNB, and reports the measurement results to the SeNB through a measurement report message, and the SeNB receives the measurement report message from the UE, as shown in Figure 4 As shown, the measurement report message includes the measurement results of the UE measuring the radio signal quality of each cell in the secondary base station.

[0074] The SeNB judges whether the signal quality of the original PCell* in the SeNB, that is, the f...

Embodiment 3

[0092] This embodiment provides a method for adjusting an auxiliary primary cell, such as Figure 5 As shown, the method includes:

[0093] Step 301, the SeNB determines to change the first PSC served by the SeNB, and selects a candidate PSC from the cells served by the SeNB.

[0094] As an embodiment of the present invention, according to the measurement configuration on the network side, the UE continuously measures the radio signal quality of each cell carried by the SeNB, and reports the measurement results to the SeNB through a measurement report message, and the SeNB receives the measurement report message from the UE, wherein , the measurement report message includes the measurement results of the UE measuring the radio signal quality of each cell in the secondary base station.

[0095] The SeNB judges whether the signal quality of the original PCell* in the SeNB, that is, the first secondary primary cell, is reliable according to the measurement result of the radio si...

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PUM

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Abstract

The embodiment of the invention discloses a method for adjusting auxiliary primary cells and an evolved NodeB, and belongs to the field of communication. The auxiliary primary cells can be adjusted in the carrier aggregation process, and communication efficiency is improved. The method for adjusting the auxiliary primary cells comprises the steps that a primary evolved NodeB determines and changes the first auxiliary primary cell with services provided by a secondary radio bearer, and the second auxiliary primary cell is selected from the cells with services provided by the secondary radio bearer; the primary evolved NodeB sends first messages to the secondary radio bearer, and the first messages are used for requesting the secondary radio bearer to adjust the auxiliary primary cells and comprise the identification of the second auxiliary primary cell; the primary evolved NodeB sends second messages to UE, and the second messages are used for requesting the UE to use the secondary auxiliary primary cell.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method for adjusting an auxiliary primary cell and a base station. Background technique [0002] With the development of the mobile communication system, the transmission rate and service quality that the communication system can provide are getting higher and higher, and users also put forward higher requirements on the transmission rate. In order to ensure the speed of most users and provide higher throughput for some users without greatly increasing the configured bandwidth, the 3rd Generation Partnership Project (3GPP) introduced carrier aggregation (Carrier Aggregation). Aggregation, referred to as CA) technology. Carrier aggregation means that a user terminal (User Equipment, UE for short) can simultaneously use multiple component carriers (Component Carrier, CC for short) for uplink and downlink communication, thereby supporting high-speed data transmission. When the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/04H04W36/30H04W12/041
CPCH04W36/08H04L5/0008H04L5/003H04L5/0091H04W12/04H04W72/21H04W36/0069H04W12/043H04W12/041H04W36/0058H04W88/08H04W36/28
Inventor 黄曲芳张宏平戴明增
Owner HUAWEI TECH CO LTD
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