A method, device and system for performing transmission control on user equipment
A technology for user equipment and transmission control, applied in the field of communication, can solve the problems of the user equipment being unable to obtain information, the user equipment recovering data, and the user experience being unfavorable. Effect
Active Publication Date: 2018-06-05
ALCATEL LUCENT SHANGHAI BELL CO LTD +1
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Problems solved by technology
[0011] Under 2A, 2C and 3C, if there is data loss on the interface between MeNB and SeNB, the lost data cannot be recovered for the user equipment under the current mechanism, so that the user equipment cannot obtain complete information, and the user Very unfavorable experience
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[0043] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0044] image 3 It shows a schematic diagram of user equipment and a macro base station for performing transmission control on user equipment according to an aspect of the present invention; wherein, the user equipment 1 includes a state determining device 11 and a state sending device 12, and the macro base station 2 includes acquiring means 21, configuration determining means 22, and configuring means 23. The user equipment 1 cooperates with each device of the macro base station 2 to implement transmission control on the user equipment; wherein, the user equipment forms a dual connection with the corresponding macro base station and small base station, and the dual connection includes all connection between the macro base station and the user equipment and connection between the small base station and the user equipment.
[0045] Specifically, the state d...
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The object of the present invention is to provide a method, device and system for performing transmission control on user equipment. When the user equipment forms a dual connection with the corresponding macro base station and the small base station, the transmission state information corresponding to the DRB established by the user equipment is determined by the user equipment, and sent to the macro base station, Then, the macro base station determines transmission configuration information corresponding to the user equipment according to the transmission state information, and performs transmission configuration on the user equipment according to the transmission configuration information. Compared with the prior art, the present invention acquires PDUs that need to be transmitted or retransmitted according to the transmission state information of the user equipment on the basis of dual connectivity, or the macro base station performs flow control on the user equipment according to the transmission state information , which ensures the connection establishment and switching between the user equipment and the macro base station and the small base station, improves the reliability of data transmission, improves the resource allocation efficiency of the system, and reduces the power consumption of the system.
Description
technical field [0001] The present invention relates to the communication field, and in particular to a technology for performing transmission control on user equipment. Background technique [0002] Currently, if the user equipment is connected to the macro base station or the small base station through a single connection mode, that is, the user equipment is only connected to one of the macro base station or the small base station, the user equipment in the network When moving between cells, it is necessary to continuously switch between the macro base station and the small base station, which can easily cause handover failure. [0003] In the standard R12 of 3GPP LTE, a new research project "Small Cell Enhancement for E-UTRA and E-UTRAN-High Level" is proposed. One of the important aspects is to support macro cells (cells covered by macro base stations) ) layer and the dual connectivity of the small cell layer. [0004] figure 1 It shows dual connectivity of user equip...
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IPC IPC(8): H04W28/10H04W52/04
Inventor 邓云钱德瑞卡·沃拉尔温萍萍
Owner ALCATEL LUCENT SHANGHAI BELL CO LTD