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公开(公告)号：KR1020150094919A
公开(公告)日：2015-08-20
申请号：KR1020140015818
申请日：2014-02-12
Applicant: 한국전자통신연구원
IPC: H04B7/26
CPC classification number: H04W72/0413 , H04W74/0866 , H04B7/2603
Abstract: 본 발명은 대역폭 요청 채널을 이용한 데이터 전송 방법, 및 이를 수행하는 사용자 단말 및 기지국에 관한 것으로, 사용자 단말이 대역폭 요청 채널을 통하여 기지국으로 데이터를 전송하는 통신 방법으로서, 대역폭 요청을 위한 프리앰블을 생성하는 단계와, 대역폭 요청을 위한 메시지를 생성하였는지 여부를 판단하는 단계와, 메시지가 생성되었다고 판단한 경우, 프리앰블과 연산하기 위한 제1 신호값을 생성하고, 메시지가 생성되지 않았다고 판단한 경우, 프리앰블과 연산하기 위한 제2 신호값을 생성하는 단계와, 프리앰블과, 생성된 제1 신호값 또는 제2 신호값을 연산처리하는 단계와, 연산처리된 프리앰블을 포함하는 신호를 기지국으로 전송하는 단계를 포함하는 통신 방법을 제공하여 대역폭 요청 정보를 복조함에 있어서 발생하는 오버헤드를 감소시킨다.
Abstract translation: 本发明涉及使用带宽请求信道的通信方法，执行该带宽请求信道的用户终端和基站。 用户终端通过带宽请求信道向基站发送数据的通信方法包括以下步骤：生成用于请求带宽的前同步码; 确定是否生成用于请求带宽的消息; 如果消息被确定已经被生成，则生成要用前导码计算的第一信号值，或者如果消息被确定为不被生成，则生成要用前导码计算的第二信号值; 计算所述前导码和所生成的第一信号值或所生成的第二信号值; 以及将包括所计算的前导码的信号发送到所述基站。 因此，减少了带宽请求信息被解调时产生的开销。
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公开(公告)号：KR1020150057934A
公开(公告)日：2015-05-28
申请号：KR1020140032467
申请日：2014-03-20
Applicant: 한국전자통신연구원
CPC classification number: H04L27/18
Abstract: 본발명에따른다중스트림전송장치는, 셋이상의입력스트림들에대한비 직교(non-orthogonal) 편파정보를생성하는편파제어부, 비직교편파정보에기초하여셋 이상의입력스트림들을기저대역에서편파시켜수직및 수평편파성분으로생성하는편파생성부, 및복수의수직및 수평편파성분들을이중편파안테나를통하여전송하는편파송신부를포함한다.
Abstract translation: 根据本发明的用于发送多个流的装置包括：偏振控制单元，用于为三个或更多个输入流生成非正交偏振信息; 极化产生单元，用于基于所述非正交偏振信息在基带处偏振所述三个或更多个输入流，以产生垂直和水平偏振分量; 以及经由双极化天线透射多个垂直和水平极化分量的偏振透射单元。
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公开(公告)号：KR1020140039991A
公开(公告)日：2014-04-02
申请号：KR1020130106509
申请日：2013-09-05
Applicant: 한국전자통신연구원
CPC classification number: H04B7/2609 , H04B7/024 , H04W88/085
Abstract: A detachable base station is disclosed. The detachable base station according to an embodiment of the present invention includes: a plurality of digital units (DU) in accordance with a particular wireless communications system installed on a central office side; a plurality of radio units (RU) in accordance with a particular wireless communications system installed on a subscriber side; and a cloud base station switch enabling a connection between the DU and the RU to be dynamically changed. [Reference numerals] (142) Motion control unit
Abstract translation: 公开了一种可拆卸的基站。 根据本发明实施例的可拆卸基站包括：根据安装在中心局侧的特定无线通信系统的多个数字单元（DU）; 根据安装在用户侧的特定无线通信系统的多个无线电单元（RU）; 并且使得能够动态地改变DU和RU之间的连接的云基站交换机。 （附图标记）（142）运动控制单元
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74.发明公开
公开(公告)号：KR1020130020545A
公开(公告)日：2013-02-27
申请号：KR1020120066486
申请日：2012-06-21
Applicant: 한국전자통신연구원
IPC: H04B7/04
Abstract: PURPOSE: A communication path control device between a digital unit and a radio frequency unit and a method thereof are provided to flexibly transmit and receive data between the digital unit and the radio frequency unit. CONSTITUTION: A first transceiver(600) receives a first signal from a first digital unit. The first signal includes a first identifier indicating a purpose radio frequency unit. A path selecting unit(620) selects a first path of the purpose radio frequency unit based on the first identifier. A second transceiver(640) transmits the first signal to the selected first path. The first identifier indicates one or more purpose antennas. [Reference numerals] (60) Path control unit; (600) First transceiver; (620) Path selecting unit; (640) Second transceiver; (AA,BB,CC) RF unit; (DD) First signal; (EE) Second signal
Abstract translation: 目的：提供数字单元和射频单元之间的通信路径控制装置及其方法，以在数字单元和射频单元之间灵活地发送和接收数据。 构成：第一收发器（600）从第一数字单元接收第一信号。 第一信号包括指示用途射频单元的第一标识符。 路径选择单元（620）基于第一标识符选择目的射频单元的第一路径。 第二收发器（640）将第一信号发送到所选择的第一路径。 第一标识符表示一个或多个用途天线。 （参考号）（60）路径控制单元; （600）第一收发器; （620）路径选择单元; （640）第二收发器; （AA，BB，CC）RF单元; （DD）第一信号; （EE）第二信号
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公开(公告)号：KR1020120114969A
公开(公告)日：2012-10-17
申请号：KR1020110032837
申请日：2011-04-08
Applicant: 한국전자통신연구원
CPC classification number: H04L25/03159 , H04L2025/03414
Abstract: PURPOSE: A data processing method, an equalizer, and a receiver are provided to generate an equalization signal by multiplying a weight vector to a base station signal and a relay signal. CONSTITUTION: A base station signal is received from a base station(S610). A relay signal is received from a relay(S620). Propagation delay between the relay signal and the base station signal is determined(S630). An equalization signal alleviating the interference between the base station signal and the relay signal is generated in consideration of the propagation delay(S640). An information bit transmitted by the base station is restored from the equalization signal(S650). The equalization signal is generated by multiplying a weight vector to the base station signal and the relay signal. [Reference numerals] (S610) Base station signal receiving; (S620) Relay signal receiving; (S630) Propagation delay determination; (S640) Equalization signal generation; (S650) Information bit restoration
Abstract translation: 目的：提供数据处理方法，均衡器和接收器，以通过将权重向量与基站信号和中继信号相乘来产生均衡信号。 构成：从基站接收基站信号（S610）。 继电器接收继电器信号（S620）。 确定继电器信号与基站信号之间的传播延迟（S630）。 考虑到传播延迟，产生缓和基站信号与中继信号之间的干扰的均衡信号（S640）。 基站发送的信息位从均衡信号恢复（S650）。 通过将加权矢量与基站信号和继电器信号相乘来产生均衡信号。 （参考号）（S610）基站信号接收; （S620）继电器信号接收; （S630）传播延迟确定; （S640）均衡信号生成; （S650）信息位恢复
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Patent Agency Ranking
公开(公告)号：KR1020110128550A
公开(公告)日：2011-11-30
申请号：KR1020100048066
申请日：2010-05-24
Applicant: 한국전자통신연구원
CPC classification number: H04W56/0085 , H04B7/15 , H04B7/155 , H04L27/2655 , H04L27/2656 , H04L27/2671 , H04L27/2676
Abstract: PURPOSE: An apparatus and method for synchronization of an RF repeater are provided to detect a start time of an uplink signal by calculating each power of an uplink signal and a downlink signal. CONSTITUTION: In an apparatus and method for synchronization of an RF repeater, a power calculating unit(254) calculates the power of a received signal. The power calculating unit outputs the power value of the received signal. A normalization unit(255) outputs a first signal correlation value and a second signal correlation value which are outputted from a complex multiplication part and a power value calculated from the power calculation unit. The normalization [normalization unit](255) outputs the which is normalized by using the first signal correlation value which outputs and the power value calculated in the second signal correlation value and power calculation part from the complex multiplication part and the normalized second signal correlation value. A subtractor(256) substracts normalized first signal correlation value and the second signal correlation value. The subtracor detects the start time of a second signal.
Abstract translation: 目的：提供一种用于同步RF中继器的装置和方法，用于通过计算上行链路信号和下行链路信号的每个功率来检测上行链路信号的开始时间。 构成：在RF中继器的同步的装置和方法中，功率计算单元（254）计算接收信号的功率。 功率计算单元输出接收信号的功率值。 归一化单元（255）输出从复数乘法部分输出的第一信号相关值和第二信号相关值，以及从功率计算单元计算出的功率值。 归一化[归一化单元] 255通过使用输出的第一信号相关值和从第二信号相关值和功率计算部分中计算的功率值与复数乘法部分和归一化的第二信号相关值进行归一化 。 减法器（256）对归一化的第一信号相关值和第二信号相关值进行减法。 辅助检测器检测第二信号的开始时间。
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公开(公告)号：KR1020110008557A
公开(公告)日：2011-01-27
申请号：KR1020090065957
申请日：2009-07-20
Applicant: 한국전자통신연구원
CPC classification number: H04W56/0025
Abstract: PURPOSE: An RF(Radio Frequency) synchronizing method and a method thereof are provided to output a synchronized signal according to the set rate by establishing the uplink and downlink rate. CONSTITUTION: A wireless repeater establishes an initial ratio of the uplink section and downlink section using the usage of the length of the estimated DL signal(S202). Based on in the initial ratio, a wireless repeater senses the upward link signal. The wireless repeater detects the initial ranging signal from the uplink signal(S203). Based on in the initial ranging signal, the wireless repeater resets the rate of the uplink period and downlink section(S208).
Abstract translation: 目的：提供RF（射频）同步方法及其方法，通过建立上行链路和下行速率，根据设定速率输出同步信号。 构成：无线中继器使用估计的DL信号的长度的使用来建立上行链路部分和下行链路部分的初始比（S202）。 基于初始比率，无线中继器感测到上行链路信号。 无线中继器从上行链路信号检测初始测距信号（S203）。 基于初始测距信号，无线中继器重置上行链路周期和下行链路的速率（S208）。
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公开(公告)号：KR1020100065079A
公开(公告)日：2010-06-15
申请号：KR1020090097920
申请日：2009-10-14
CPC classification number: H04L25/0224 , H04B1/76 , H04B7/0413 , H04L25/0242
Abstract: PURPOSE: A method for estimating channel under channel environment in which interference of neighboring base station exists in a wireless communication system and a device thereof are provide to determine existence of inverse matrix about covariance matrix of pilot subcarrier matrix included in one or more PUSC(Partial Usage Sub-Channel) cluster and obtain average about channel estimate result, thereby enhancing reliability of channel estimation. CONSTITUTION: In case of reverse matrix of covariance matrix related to pilot matrix does not exist in channel estimation result, a pilot matrix configuration unit(11) configures new pilot matrix. A channel estimation unit(12) performs averaging with the pre-obtained channel estimation result about the obtained channel estimation result and the other PUSC cluster. The channel estimation unit uses the performed result as the channel estimation result. A reverse matrix decision unit(13) determines the existence of the reverse matrix within the channel estimation result.
Abstract translation: 目的：一种用于估计在无线通信系统中存在相邻基站的干扰的信道环境下的信道的方法，并且提供其设备来确定关于包括在一个或多个PUSC中的导频子载波矩阵的协方差矩阵的逆矩阵的存在（部分 使用子信道）群集，并获得关于信道估计结果的平均值，从而提高信道估计的可靠性。 构成：在信道估计结果中不存在与导频矩阵相关的协方差矩阵的反矩阵的情况下，导频矩阵配置单元（11）配置新的导频矩阵。 信道估计单元（12）使用关于所获得的信道估计结果和其他PUSC簇的预先获得的信道估计结果进行平均化。 信道估计单元使用所执行的结果作为信道估计结果。 反向矩阵判定单元（13）确定信道估计结果内的反向矩阵的存在。
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公开(公告)号：KR100926566B1
公开(公告)日：2009-11-12
申请号：KR1020070126234
申请日：2007-12-06
CPC classification number: H04L25/067 , H04L25/03006 , H04L2025/03426
Abstract: 본 발명은 연판정값 산출 방법 및 송신 신호 검출 방법에 관한 것이다.
본 발명은 수신된 신호에 기초해 채널을 추정하고, 복수의 데이터 스트림을 재정렬한다. 그리고, 재정렬된 데이터 스트림을 이용하여 복수의 후보 벡터를 선택하고, 각 후보 벡터에 대응하는 메트릭을 산출한다. 그리고, 각 후보 벡터 별로 산출된 메트릭을 이용하여 임계치를 계산하고, 각 후보 벡터에 대응하는 메트릭 및 임계치를 이용하여 송신 신호의 각 비트에 대한 연판정값을 산출한다.
연판정값, 다중송수신, MIMO, 공간 다중화, 메트릭, 로그우도비-
80.发明公开
公开(公告)号：KR1020090063957A
公开(公告)日：2009-06-18
申请号：KR1020070131497
申请日：2007-12-14
IPC: H04L27/22
CPC classification number: H04L27/22 , H04L27/3863
Abstract: A method and a device for dividing a receiving symbol signal into bit information are provided to perform a bit division process in a two dimensions simply by dividing the PSK(Phase Shift Keying) modulated symbol into the bit information in consideration of BRGC(Bit Reflected Gray Code) characteristic by using a coordinate rotation method. A rotation angle calculator(150) calculates the rotation angle by using each absolute value about I channel and Q channel symbol signals of the receiving signal which is arranged with the interval of the phase angle on a two dimensional concentric circle. A bit information converter(170) extracts the bit information about each of the I channel or Q channel symbol signals which are rotated by using a rotation angle outputted from the rotation angle calculator. An absolute value converter(120) produces each absolute value about the values of the I channel and Q channel symbol signals of the receiving symbol. A phase angle calculator(130) produces a radian phase angle by using each absolute value about the value of I channel and Q channel outputted from the absolute value converter. A symbol arrangement value calculator(140) produces an arrangement value of the symbols comprising the I channel or Q channel symbol signals by using the radian phase angle outputted from the phase angel calculator.
Abstract translation: 提供了一种将接收符号信号分成比特信息的方法和装置，以便通过将PSK（相移键控）调制的符号分解成比特信息来考虑BRGC（比特反射灰色 代码）特性使用坐标旋转法。 旋转角度计算器（150）通过使用在二维同心圆上以相位角间隔排列的接收信号的大约I通道和Q通道符号信号的绝对值来计算旋转角度。 位信息转换器（170）提取关于通过使用从旋转角计算器输出的旋转角旋转的I通道或Q通道符号信号中的每一个的位信息。 绝对值转换器（120）产生关于接收符号的I信道和Q信道符号信号的值的每个绝对值。 相位角计算器（130）通过使用关于从绝对值转换器输出的I通道和Q通道的值的绝对值产生弧度相位角。 符号排列值计算器（140）通过使用从相位角计算器输出的弧度相位角来产生包括I通道或Q通道符号信号的符号的排列值。
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