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。

公开(公告)号：US09042892B2

公开(公告)日：2015-05-26

申请号：US13677724

申请日：2012-11-15

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung Gu Choi ,  Young Jick Bahg ,  SoonGi Park ,  Kyung Sook Kim ,  Hyung-sub Kim ,  Byung-Han Ryu ,  Nam Hoon Park

IPC: H04W36/00 ,  H04W52/02

CPC classification number: H04W52/0206 ,  H04W52/0212 ,  Y02D70/122 ,  Y02D70/1262 ,  Y02D70/146 ,  Y02D70/21

Abstract: Disclosed is an operating method of a base station which includes searching user equipment, having a machine to machine (hereinafter, referred to as M2M) communication function, from user equipment under communication; sending an M2M call setup request to the searched user equipment; sending a handover call setup request to the remaining user equipment from among the user equipment under communication; and entering a power-saving mode.

Abstract translation: 公开了一种基站的操作方法，其包括：在通信下的用户设备中搜索具有机器（以下称为M2M）通信功能的用户设备; 向所搜索的用户设备发送M2M呼叫建立请求; 在通信的用户设备之间向剩余的用户设备发送切换呼叫建立请求; 并进入省电模式。