公开(公告)号：US09954790B2

公开(公告)日：2018-04-24

申请号：US14931547

申请日：2015-11-03

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyun Yong Hwang ,  Ae Soon Park ,  Kyoung Seok Lee

IPC: H04L12/801 ,  H04L12/823 ,  H04W24/02 ,  H04W28/02 ,  H04L12/835 ,  H04L1/16 ,  H04L1/00

CPC classification number: H04L47/32 ,  H04L1/1621 ,  H04L47/30 ,  H04L47/323 ,  H04L47/34 ,  H04L2001/0097 ,  H04W28/0273

Abstract: Methods for flow control in a network are disclosed. In a dual connectivity network environment where a master base station and a secondary base station exist, an operation method of a master base station may comprise transmitting a data frame including a plurality of data packets to a secondary base station; receiving, from the secondary base station, a delivery status frame requesting retransmission of error data packet among the plurality of data packets; and retransmitting the error data packet indicated by the delivery status frame to the secondary base station. Therefore, network performance can be enhanced.