公开(公告)号：US20170111090A1

公开(公告)日：2017-04-20

申请号：US15128695

申请日：2015-03-24

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Junyoung NAM ,  Young Jo KO

IPC: H04B7/04 ,  H04B7/02 ,  H04B17/24 ,  H04L5/00 ,  H04B17/336

CPC classification number: H04B7/0417 ,  H04B7/024 ,  H04B7/0452 ,  H04B7/0632 ,  H04L5/0048 ,  H04L5/006 ,  H04W84/045

Abstract: Disclosed herein are a terminal and a base station in a distributed antenna system and an operation method thereof. A base station may include first and second transmitter points positioned at different places. The base station transmits a reference signal for channel quality measurement to the terminal. The terminal calculates a first value that is a ratio of a signal transmitted to the terminal and noise based on the received reference signal. Further, the terminal calculates a second value that is a ratio of interference by a first transmitter point and noise and a third value that is a ratio of interference by a second transmitter point and noise, based on the received reference signal. The terminal transmits information on the first to third values to the base station.

公开(公告)号：US20160330004A1

公开(公告)日：2016-11-10

申请号：US15149869

申请日：2016-05-09

Applicant: Electronics and Telecommunications Research Institute

Inventor： Cheulsoon KIM ,  Gi Yoon PARK ,  Wooram SHIN ,  Sung-Hyun MOON ,  Young Jo KO ,  Junyoung NAM

IPC: H04L5/00 ,  H04W72/14 ,  H04W72/12 ,  H04W72/04

CPC classification number: H04L5/0048

Abstract: A method for receiving a reference signal including receiving a configuration about a subband from the base station through a higher layer signaling, wherein the RS is allocated to the subband; and receiving a subframe including a reference signal resource allocated by a unit of the subband, and an apparatus are provided.

Abstract translation: 一种用于接收参考信号的方法，包括从所述基站通过较高层信令接收关于子带的配置，其中所述RS被分配给所述子带; 以及接收包括由所述子带单元分配的参考信号资源的子帧，以及设备。

公开(公告)号：US20160134343A1

公开(公告)日：2016-05-12

申请号：US14935107

申请日：2015-11-06

Applicant: Electronics and Telecommunications Research Institute

Inventor： Junyoung NAM ,  Wooram SHIN ,  Sung-Hyun MOON ,  Cheulsoon KIM ,  Young Jo KO

IPC: H04B7/04

CPC classification number: H04B7/0452 ,  H04B7/0478 ,  H04B7/0639 ,  H04B7/0658

Abstract: Disclosed herein are a terminal and an operation method thereof in a MIMO system. The terminal may use a reference signal for channel state measurement from a base station to calculate a first value that is a ratio of a signal transmitted from the base station to noise and a second value that is a ratio of interference from the base station and the noise. Further, the terminal may generate bit information by comparing a ratio of the second value and the first value with a predetermined threshold value and feedback the first value and the bit information to the base station.

Abstract translation: 这里公开了MIMO系统中的终端及其操作方法。 终端可以使用来自基站的信道状态测量的参考信号来计算作为从基站发送的信号与噪声的比率的第一值，以及作为来自基站的干扰的比率的第二值和 噪声。 此外，终端可以通过将第二值和第一值的比率与预定阈值进行比较来生成比特信息，并将第一值和比特信息反馈给基站。

公开(公告)号：US20170202014A1

公开(公告)日：2017-07-13

申请号：US15316544

申请日：2016-01-29

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sung-Hyun MOON ,  Cheulsoon KIM ,  Wooram SHIN ,  Gi Yoon PARK ,  Young Jo KO ,  Junyoung NAM

IPC: H04W74/00 ,  H04L5/00 ,  H04L12/911 ,  H04B7/06

CPC classification number: H04W74/006 ,  H04B7/02 ,  H04B7/024 ,  H04B7/0469 ,  H04B7/06 ,  H04B7/0626 ,  H04L5/0007 ,  H04L5/0048 ,  H04L5/005 ,  H04L47/824

Abstract: A method for a base station to configure a channel state information (CSI)-reference signal (RS) is provided. The base station configures a CSI-RS antenna port for a terminal. The base station selects one of at least one port number mapping rule for mapping a port number on the CSI-RS antenna port for the terminal. The base station notifies the terminal of the selected port number mapping rule.

公开(公告)号：US20160337017A1

公开(公告)日：2016-11-17

申请号：US15153887

申请日：2016-05-13

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sung-Hyun MOON ,  Cheulsoon KIM ,  Gi Yoon PARK ,  Wooram SHIN ,  Young Jo KO ,  Junyoung NAM

IPC: H04B7/04 ,  H04B7/06

CPC classification number: H04B7/0691 ,  H04B7/0617 ,  H04B7/10

Abstract: The transmitter maps an antenna port to a logical antenna port through a first virtualization. The transmitter maps the logical antenna port to a transceiver unit (TXRU) through a first operation. The transmitter maps the TXRU to a logical TXRU through a second operation. The transmitter maps the logical TXRU to a physical antenna element through a second virtualization.

Abstract translation: 发射机通过第一个虚拟化将天线端口映射到逻辑天线端口。 发射机通过第一个操作将逻辑天线端口映射到收发器单元（TXRU）。 发射机通过第二个操作将TXRU映射到逻辑TXRU。 发射机通过第二个虚拟化将逻辑TXRU映射到物理天线元件。