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DRX coordination mechanism in dual connection system

A dual-connection, discontinuous reception technology, applied in the field of DRX coordination mechanism, can solve problems such as being in the blank, and achieve the effects of avoiding resource conflicts, ensuring reliability, and improving resource utilization.

Active Publication Date: 2015-11-25
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, how to coordinate DRX configuration and exchange DRX related information between MeNB and SeNB is still blank

Method used

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  • DRX coordination mechanism in dual connection system

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Embodiment Construction

[0025] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0026] Embodiments of the present invention are described with reference to the drawings.

[0027] figure 1 It is a flow chart of DRX status notification in a dual connectivity system according to an embodiment of the present invention.

[0028] In the DRX mechanism, the UE performs the DRX control function based on the configuration of the current eNB. Since the eNB can acquire DRX parameter configuration of the UE and scheduling informa...

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Abstract

The invention provides a mechanism of coordinating DRX information in a dual connectivity system. A method of coordinating DRX information of a UE in a master e NB of a dual connectivity system includes: A. receiving first information characterizing a DRX state of the UE for a secondary e NB or transmitting second information, determined by the master e NB, indicating a DRX state of the UE for the master e NB to the secondary e NB; and B. the master e NB exchanging DRX configuration information for the UE with the secondary e NB. With the mechanism of coordinating DRX information according to the invention, dynamic power management of the UE can be enabled to thereby save power consumption of the UE and also improve the transmission efficiency of information.

Description

technical field [0001] The present invention generally relates to the field of wireless communication, and more specifically, relates to a DRX coordination mechanism used in a dual connectivity system. Background technique [0002] DRX can be used to save power for UEs in RRC connected state. The DRX configuration is a compromise between power consumption and quality of service (Quality of Service, QoS). In a dual connectivity system, a UE is respectively connected to a primary base station (MeNB) and a secondary base station (SeNB), and may transmit different services through different base stations. Therefore, a DRX mechanism in a dual connectivity system needs to be defined. [0003] In the current DRX mechanism, the DRX function can be configured and controlled for the UE in the radio resource control (Radio Resource Control, RRC) connection state, so that the UE does not need to detect the downlink channel, that is, the PDCCH, all the time. The DRX cycle consists of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/04
CPCH04W76/048H04W76/025H04W84/042H04W88/08H04W52/0216H04W76/28H04W76/15Y02D30/70
Inventor 温萍萍钱德瑞卡·沃拉尔
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD
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