公开(公告)号：US11375375B2

公开(公告)日：2022-06-28

申请号：US16681865

申请日：2019-11-13

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Hyung Sub Kim ,  Jae Heung Kim

IPC: H04W12/106 ,  H04W76/12 ,  H04W8/24 ,  H04W76/11 ,  H04W76/27

Abstract: An operation method of a UE in a communication system includes receiving, from a base station, a security mode command message including information requesting reporting of capability information and security configuration information; identifying the security configuration information included in the security mode command message; and transmitting, to the base station, a security mode complete message including the capability information requested by the security mode command message.

公开(公告)号：US09264192B2

公开(公告)日：2016-02-16

申请号：US14045436

申请日：2013-10-03

Applicant: Electronics and Telecommunications Research Institute

Inventor： Soon Gi Park ,  Hyung Sub Kim ,  Sung Gu Choi ,  Byung Han Ryu ,  Nam Hoon Park

IPC: H04W24/08 ,  H04L5/00 ,  H04W36/00 ,  H04W84/04

CPC classification number: H04L5/0035 ,  H04L5/005 ,  H04W36/0055 ,  H04W84/045

Abstract: According to the present invention, a method of performing coordinated multipoint transmission and reception in an overlaid cellular system in which a first base station and a second base station overlay each other, the method comprising performing a handover using a coordinated multi-point transmission and reception scheme based on Channel State Indicator-Reference Signal (CSI-RS) information of user equipment by the first and second base stations.

Abstract translation: 根据本发明，一种在重叠的蜂窝系统中执行协调的多点发送和接收的方法，其中第一基站和第二基站彼此重叠，所述方法包括使用协调的多点发送和接收来执行切换 基于第一和第二基站的用户设备的信道状态指示符信号（CSI-RS）信息的方案。