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公开(公告)号：KR101269717B1
公开(公告)日：2013-05-30
申请号：KR1020110094759
申请日：2011-09-20
Applicant: 인하대학교 산학협력단
Abstract: 주파수점유에대한센싱없이도우선사용자와인지무선사용자가주파수를함께사용할수 있는인지무선시스템및 방법이개시된다. 인지무선통신방법은사용자단말기들의간섭신호전력측정정보를기초로사용자단말기들중에서인접기지국의신호를간섭하는간섭사용자단말기를추출하는단계; 간섭정렬방식을사용하여간섭사용자단말기의송신벡터를결정하는단계; 및상기송신벡터에따라간섭사용자단말기와통신을수행하는단계를포함할수 있다.
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公开(公告)号：KR101482418B1
公开(公告)日：2015-01-19
申请号：KR1020130082391
申请日：2013-07-12
Applicant: 인하대학교 산학협력단
CPC classification number: H04J11/005 , H04B15/00 , H04W72/082
Abstract: 매크로 기지국, 적어도 하나의 매크로 단말, 적어도 하나의 소형 기지국 및 적어도 하나의 소형 단말을 포함하는 이종 네트워크에서, 국부적인 간섭 정렬을 이용한 간섭 제어 방법은 상기 매크로 기지국로부터 상기 매크로 단말로의 다이렉트 링크에 대한 채널 행렬에 포함된 부채널들 중 채널 이득이 큰 일부의 부채널들에 상기 매크로 기지국의 신호를 할당하는 단계; 선택되지 않은 부채널들에 대응하는 상기 다이렉트 링크에 대한 채널 행렬의 우특이 벡터들이 형성하는 열 공간을 도출하는 단계; 및 상기 도출된 열 공간을 이용하여 상기 피코 기지국으로부터 상기 매크로 단말기로의 간섭을 정렬하기 위한 상기 피코 기지국의 프리코딩 행렬을 추출하는 단계를 포함한다.
Abstract translation: 在包括宏基站，至少一个宏终端，至少一个微微基站和至少一个微微终端的异构网络中，使用本地干扰对准的干扰控制方法包括以下步骤：分配宏的信号 基站到包括在用于从宏基站到宏终端的直接链路的信道矩阵中的子信道中具有很大信道增益的一些子信道; 驱动由对应于未选择子信道的直接链路的信道矩阵的右奇异矢量形成的列空间; 以及提取微微基站的预编码矩阵以通过使用所绘制的列空间将来自微微基站的干扰与宏终端对准。
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公开(公告)号：KR101414324B1
公开(公告)日：2014-07-04
申请号：KR1020120156647
申请日：2012-12-28
Applicant: 인하대학교 산학협력단
Abstract: Disclosed is cellular system and method for controlling interference between adjacent cells. A base station of the cellular system may comprise an information transmitting unit for transmitting pre-processed information which is randomly generated, to terminals located in the area of the base station; a power receiving unit for receiving interference signal power which is measured by using the pre-processed information from the terminals; and a terminal selection unit for selecting a terminal to perform wireless communications among the terminals based on the interference signal power.
Abstract translation: 公开了用于控制相邻小区之间的干扰的蜂窝系统和方法。 蜂窝系统的基站可以包括：信息发送单元，用于将位于所述基站区域中的终端随机生成的预处理信息发送; 电力接收单元，用于接收通过使用来自终端的预处理信息测量的干扰信号功率; 以及终端选择单元，用于基于干扰信号功率选择终端来执行终端之间的无线通信。
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公开(公告)号：KR1020130119786A
公开(公告)日：2013-11-01
申请号：KR1020120042855
申请日：2012-04-24
Applicant: 인하대학교 산학협력단
CPC classification number: H04B7/026 , H04B7/0697 , H04B7/15592
Abstract: A receiving node has a plurality of receiving antennas in a cooperative communication system with a plurality of relays. The receiving node selects, among a plurality of relays, ones affiliated to a candidate relay group capable of decoding the data of a transmitting node. The receiving node selects, among the relays affiliated to the candidate relay group, ones satisfying the data transmission rate of the transmission node. The receiving node determines the transmission mode of the selected relays as a spatial multiplexing mode or a transmission diversity mode according to the number of the selected relays. [Reference numerals] (S210) Transmission node transmits a transmission symbol;(S220) Each relay determines whether a transmission signal can be decoded;(S230) Each relay reports on the transmission signal's decoding possibility to a reception node;(S240) Reception node selects a minimum number of relays satisfying the transmission rate of the transmission symbol among a group of relay candidates able to decode;(S250) Reception node determines the transmission mode of the selected relays;(S260) Relays selected by the reception node transmits the transmission signal to the reception node in the determined transmission mode
Abstract translation: 接收节点在具有多个中继的协作通信系统中具有多个接收天线。 接收节点在多个中继中选择与能够解码发送节点的数据的候选中继组有关的中继。 接收节点在与候选中继组相关的中继中选择满足发送节点的数据传输速率的中继。 接收节点根据所选继电器的数量，将所选继电器的发送模式确定为空间复用模式或发送分集模式。 （S210）发送节点发送发送符号（S220）各继电器判定是否能够对发送信号进行解码（S230）各继电器向接收节点报告发送信号的解码可能性;（S240）接收节点 选择能够解码的中继候选组中满足发送符号的发送速率的最小数量的中继;（S250）接收节点确定所选择的中继的发送模式;（S260）接收节点选择的继电器发送 以确定的传输模式向接收节点发送信号
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公开(公告)号：KR1020130098587A
公开(公告)日：2013-09-05
申请号：KR1020120020205
申请日：2012-02-28
Applicant: 인하대학교 산학협력단
IPC: H04B7/005
CPC classification number: H04L25/03267 , H04L25/03885 , H04L2025/03636
Abstract: PURPOSE: A signal equalization apparatus for selecting equalization technique and a method thereof are provided to determine signal to noise ratio (SNR) of a communication signal and then to apply the technique differently which is to be used in equalizing the communication signal according to the determined SNR. CONSTITUTION: An SNR determining unit (110) determines SNR of a communication signal by using a training signal included in the communication signal. An equalizing unit (140) equalizes a data signal included in the communication signal by using one of a first equalization technique and a second equalization technique. A first equalization technique error rate determining unit (120) determines error rate of the first equalization technique according to the SNR by analyzing the performance of the first equalization technique. A second equalization technique error rate determining unit (130) determines error rate of the second equalization technique according to the SNR by analyzing the performance of the second equalization technique. [Reference numerals] (100) Signal equalization device; (110) SNR determining unit; (120) First equalization technique error rate determining unit; (130) Second equalization technique error rate determining unit; (140) Equalization unit; (141) Equalization method determination unit; (142) Data signal equalization unit
Abstract translation: 目的：提供一种用于选择均衡技术的信号均衡装置及其方法，以确定通信信号的信噪比（SNR），然后根据所确定的用于确定通信信号的均衡的方式应用不同的方法 SNR。 构成：SNR确定单元（110）通过使用通信信号中包括的训练信号来确定通信信号的SNR。 均衡单元（140）通过使用第一均衡技术和第二均衡技术之一来均衡包括在通信信号中的数据信号。 第一均衡技术错误率确定单元（120）通过分析第一均衡技术的性能来确定根据SNR的第一均衡技术的错误率。 第二均衡技术错误率确定单元（130）通过分析第二均衡技术的性能来确定根据SNR的第二均衡技术的错误率。 （附图标记）（100）信号均衡装置; （110）SNR确定单元; （120）第一均衡技术错误率确定单元; （130）第二均衡技术错误率确定单元; （140）均衡单位; （141）均衡方法确定单位; （142）数据信号均衡单元
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Patent Agency Ranking
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公开(公告)号：KR101694985B1
公开(公告)日：2017-01-12
申请号：KR1020100006189
申请日：2010-01-22
Applicant: 인하대학교 산학협력단
Abstract: 이동국이자신이위치하는셀의기지국으로부터신호를수신하는경우, 부분공간의간섭을정렬하는방법은이동국이속한셀의채널과인접셀의기지국과의채널을통해채널을분리하고, 각셀 별로사용할참조벡터를각각직교하는벡터로설정한다. 다음, 참조벡터를이용하여이동국에해당하는송신벡터를설정하고, 송신벡터를이용하여데이터를전송하고, 수신시에는수신벡터를이용하여, 간섭신호에해당하는부분공간을정렬한다.
Abstract translation: 目的：提供一种子空间干扰分类方法，以便通过对实际信道进行时变，误差和分解过程中发生的信道误差来防止与估计信道的差异误差。 构成：单独的单元通过信道与移动站所属的小区的信道的基站和相邻小区分离（S301）。 第一设定单元建立特别使用该单元作为正交矢量的参考矢量（S302）。 第二设定单元通过使用参照矢量来建立与移动站对应的发送矢量（S303）。 信号发送部使用发送矢量发送信号。 接收到的矢量通过使用接收矢量对包含在干扰信号中的子空间进行分类（S306）。
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公开(公告)号：KR1020110049113A
公开(公告)日：2011-05-12
申请号：KR1020090105973
申请日：2009-11-04
Applicant: 인하대학교 산학협력단
Abstract: PURPOSE: An average internal loop-back antenna calibration method for an array antenna system are provided to reduce an error in a single RF correction by calculating the arithmetic average of the response to an average RF transmitter. CONSTITUTION: In an average internal loop-back antenna calibration method for an array antenna system, a P-th RF transmitter having a maximum gain is selected. The RF reception calibration factor vector is obtained through an RF receiver response. An average reception calibration factor is obtained. The P-th RF receiver having maximum gain is selected. The RF transmission calibration factor vector is obtained through the RF transmitter response. The average transmission calibration factor is obtained.
Abstract translation: 目的：提供用于阵列天线系统的平均内部环回天线校准方法，以通过计算对平均RF发射机的响应的算术平均来减少单个RF校正中的误差。 构成：在阵列天线系统的平均内部环回天线校准方法中，选择具有最大增益的P型RF发射机。 通过RF接收机响应获得RF接收校准因子矢量。 获得平均接收校准因子。 选择具有最大增益的P型RF接收机。 RF发射校准因子矢量通过RF发射机响应获得。 获得平均传输校准因子。
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公开(公告)号：KR100996302B1
公开(公告)日：2010-11-24
申请号：KR1020100048141
申请日：2010-05-24
Applicant: 인하대학교 산학협력단
Abstract: PURPOSE: A communications method in a multiple sensor node environment using a time reversal technique for improving system capacity is provided to reduce the intensity of an interference signal affecting each sensor node and optimize the SNR. CONSTITUTION: A center node receives a different orthogonal signal from each sensor node(S100). The center node divides the signal of each sensor node by using the received different orthogonal signals. The center node obtains channel information based on the divided signal. The central node applies a time reversal technique to the channel information. The center node transmits the different signal to each sensor node(S200).
Abstract translation: 目的：提供多传感器节点环境中使用时间逆转技术提高系统容量的通信方法，以减少影响每个传感器节点的干扰信号的强度，并优化SNR。 构成：中心节点从每个传感器节点接收不同的正交信号（S100）。 中心节点通过使用接收的不同正交信号来划分每个传感器节点的信号。 中心节点根据划分的信号获取信道信息。 中心节点对信道信息应用时间反演技术。 中心节点将不同的信号发送到每个传感器节点（S200）。
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公开(公告)号：KR101711158B1
公开(公告)日：2017-03-14
申请号：KR1020100132719
申请日：2010-12-22
Applicant: 한국전자통신연구원 , 인하대학교 산학협력단
IPC: H04B7/26
CPC classification number: H04J11/0056 , H04W72/082
Abstract: 셀룰러시스템에서단말의데이터전송방법이제공된다. 본발명의한 실시예에따른데이터전송방법은직교벡터쌍 중소정개수의벡터에대한전송용량을계산하고, 소정개수의벡터중 전송용량이가장큰 벡터를레퍼런스벡터로설정하며, 레퍼런스벡터를이용하여기지국에게데이터를전송한다.
Abstract translation: 提供一种从蜂窝系统中的终端发送数据的方法。 数据传输方法包括：计算正交向量对中的预定数量的向量的传输容量; 在预定数量的向量中选择具有最大传输容量的向量作为参考向量; 以及使用参考向量向基站发送数据。
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