公开(公告)号：KR1020120106115A

公开(公告)日：2012-09-26

申请号：KR1020110023990

申请日：2011-03-17

Applicant: 한국전자통신연구원

Inventor： 신우람 ,  김현재 ,  임광재 ,  권동승 ,  김석찬 ,  박동찬 ,  윤상석

IPC: H04W52/24 ,  H04J11/00 ,  H04W84/18

CPC classification number: H04W84/18 ,  H04J11/00 ,  H04W52/24

Abstract: PURPOSE: An IoT(Interference over Thermal) control method for OFDMA(Orthogonal Frequency Division Multiple Access) based wireless mesh network is provided to efficiently control the amount of interference and to perform power control. CONSTITUTION: A request node(R60) measures a preamble signal(S63). The request node calculates the reception power of the preamble signal from a target node based on the measured preamble signal(S64). The request node calculates SIR(Signal-to-Interference Ratio) of the target node through the reception power of the calculated preamble signal(S66). The request node determines transmission power of the target node based on the calculated SIR(S67). [Reference numerals] (S61) Request; (S62) Grant; (S63) Calculating a preamble signal which is received from various grant nodes; (S64) Calculating the reception power of the preamble signal from the grant node positioned at 1-hop; (S65) Calculating sum of a preamble reception power which is received from the grant node at 2-hop; (S66) Calculating SIRn from a control channel of each node at1-hop; (S67) Calculating transmission power per sub carrier when transmitting a data channel to the node n; (S68) Confirm

Abstract translation: 目的：提供一种基于OFDMA（正交频分多址）的无线网状网络的IoT（干扰热）控制方法，以有效地控制干扰量并执行功率控制。 构成：请求节点（R60）测量前置信号（S63）。 请求节点基于测量的前导信号来计算来自目标节点的前导码信号的接收功率（S64）。 请求节点通过所计算的前导信号的接收功率来计算目标节点的SIR（信号与干扰比）（S66）。 请求节点基于计算出的SIR来确定目标节点的传输功率（S67）。 （附图标记）（S61）请求; （S62）拨款; （S63）计算从各种授权节点接收的前导信号; （S64）从位于1跳的授权节点计算前导码信号的接收功率; （S65）计算从授权节点在2跳接收的前导码接收功率的和; （S66）从1跳的每个节点的控制信道计算SIRn; （S67）当向节点n发送数据信道时，计算每个子载波的发射功率; （S68）确认

公开(公告)号：KR1020110068800A

公开(公告)日：2011-06-22

申请号：KR1020100062020

申请日：2010-06-29

Applicant: 한국전자통신연구원 ,  삼성전자주식회사

Inventor： 김현재 ,  장성철 ,  김석기 ,  김성경 ,  김원익 ,  윤철식 ,  김강희 ,  박동찬 ,  김석찬

IPC: H04W16/26 ,  H04B7/14

Abstract: PURPOSE: A method for establishing a relay location is provided to set an initial parameter of the relay device and a installation location of a repeater by detecting a shadow area within a cell in a base station. CONSTITUTION: A base station detects a shadow areas based on a preamble measurement value of a terminal(S310). The base station presumes a signal strength of a terminal spot based on the preamble measured value. The base station compares a presumed signal strength with a reference signal intensity. The base station establishes an installation position of a relay covering up the detected shadow area(S320).

Abstract translation: 目的：提供一种用于建立中继位置的方法，用于通过检测基站中的小区内的阴影区域来设置中继设备的初始参数和中继器的安装位置。 构成：基站基于终端的前导码测量值来检测影子区域（S310）。 基站假设基于前导码测量值的终端点的信号强度。 基站将推定的信号强度与参考信号强度进行比较。 基站建立覆盖检测到的阴影区域的继电器的安装位置（S320）。

公开(公告)号：KR101624332B1

公开(公告)日：2016-05-26

申请号：KR1020100062020

申请日：2010-06-29

Applicant: 한국전자통신연구원 ,  삼성전자주식회사

Inventor： 김현재 ,  장성철 ,  김석기 ,  김성경 ,  김원익 ,  윤철식 ,  김강희 ,  박동찬 ,  김석찬

IPC: H04W16/26 ,  H04B7/14

Abstract: 기지국이중계기의설치위치를설정하는방법을제공한다. 중계기위치설정방법에따르면복수의단말로부터프리앰블측정값을수신하고, 상기프리앰블측정값에기초하여각 단말의위치에서의신호세기를추정하며, 상기신호세기가미리설정된기준신호세기이하인단말이위치하는영역을음영지역으로판단하고, 상기음영지역을커버하도록중계기의설치위치를설정한다.