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Traffic control method and apparatus

A technology for flow control and total data volume, applied in the field of communication, can solve the problems of MeNB and SeNB flow control when dual connectivity cannot be realized, and achieve the effect of avoiding data loss and optimizing data transmission efficiency.

Inactive Publication Date: 2016-07-20
ZTE CORP
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0008] Embodiments of the present invention provide a flow control method and device to at least solve the problem in the related art that flow control between MeNB and SeNB cannot be achieved when dual connectivity is achieved

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  • Traffic control method and apparatus
  • Traffic control method and apparatus

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Embodiment Construction

[0033] Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other if there is no conflict.

[0034] image 3 It is a flowchart of a flow control method according to an embodiment of the present invention. Such as image 3 As shown, the method may include the following processing steps:

[0035] Step S302: The MeNB sends the data packet and the data packet sequence number to the SeNB;

[0036] Step S304: The MeNB receives the SeNB response data packet and the data packet sequence number feedback information set, where the information set may include at least one of the following information:

[0037] (1) The sequence number of the data packet received by the SeNB from the MeNB;

[0038] (2) The sequence number of the data packet that the SeNB has sent to the UE;

[0039] (3) The buffer s...

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Abstract

The invention discloses a traffic control method and apparatus. In the method, an MeNB (Master evolved Node B) sends a data packet and a data packet sequence number to an SeNB (Secondary evolved Node B); and the MeNB receives an information set fed by the SeNB for responding to the data packet and the data packet sequence number, wherein the information set comprises at least one piece of the following information: the data packet sequence number received by the SeNB from the MeNB, a data packet sequence number sent to UE (User Equipment) by the SeNB, a size of a cache capable of being used by the SeNB, and a volume of data which is cached by the SeNB and is not sent to the UE. According to the technical scheme provided by the invention, data transmission efficiency of the SeNB side in the double connection process is optimized, and data loss possibly generated at the SeNB side is effectively avoided.

Description

Technical field [0001] The present invention relates to the field of communications, and in particular to a flow control method and device. Background technique [0002] Long Term Evolution (LTE for short) networks may include: Evolved Universal Terrestrial Radio Access Network (E-UTRAN for short) and its corresponding core network (Core Network, for short CN). E-UTRAN may include: evolved base station (evolvedNodeB, eNB for short). The CN may include: a mobile management entity (MobileManagementEntity, referred to as MME) and a serving gateway (ServingGateway, referred to as S-GW). The eNB and the CN can be connected through the S1 interface, and the eNB can be connected through the X2 interface. One eNB can manage one or more cells (Cell). [0003] Due to the scarcity of spectrum resources and the surge in high-traffic services for mobile users, the need to use high-frequency points (for example: 3.5 GHz) for hotspot coverage has become increasingly obvious. The signal attenu...

Claims

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Application Information

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IPC IPC(8): H04W28/14
CPCH04W28/14
Inventor 方建民
Owner ZTE CORP
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