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    • 1. 发明公开
    • 신호 송수신 방법 및 장치
    • 用于信号发送和接收的方法和装置
    • KR1020160146863A
    • 2016-12-21
    • KR1020167032142
    • 2014-04-25
    • 후아웨이 테크놀러지 컴퍼니 리미티드
    • 추징지아밍
    • H04L1/06H04L25/02
    • H04L5/005H04B7/0452H04B7/046H04B7/0615H04B7/0862H04L1/06H04L5/0051H04L25/0226H04L25/0202
    • 본발명의실시예는신호를전송하고수신하는방법및 장치를제공하고, 무선통신분야에관련되며, MU-MIMO 시스템의데이터스트림쌍의증가에파일럿의수는증가하지않고, 파일럿의오버헤드는고정된다. 이러한방법은, 송신기가, 제1 수신기의주된파일럿신호의송신프리코딩벡터및 추정수신필터링벡터를결정하는단계; 제1 수신기의보조파일럿신호의송신프리코딩벡터를결정하는단계; 송신할주된파일럿신호, 송신할제1 수신기의사용자데이터, 및송신할보조파일럿신호를결정하는단계; 및송신할주된파일럿신호, 송신할제1 수신기의사용자데이터, 및송신할보조파일럿신호를제1 수신기에전송하는단계를포함한다.
    • 本发明的实施例提供了一种用于发送和接收信号的方法和装置,涉及无线通信领域,其中导频数量不随着MU-MIMO系统的配对数据流的增加而增加,并且 飞行员是固定的。 该方法包括:由发射机确定第一接收机的主导频信号和估计的接收滤波向量的发射预编码矢量; 确定所述第一接收机的次导频信号的发射预编码矢量; 确定要发送的主要导频信号,待发送的第一接收机的用户数据和待发送的次要导频信号; 以及向所述第一接收机发送所述待发送的主要导频信号,所述第一接收机的待发送用户数据和所述待发送的次要导频信号。
    • 3. 发明公开
    • 다중 셀 다중 사용자 기반의 프리코딩 방법 및 통신 장치
    • 用于在多单元多用户系统和通信设备中预测的MRTHOD
    • KR1020110084818A
    • 2011-07-26
    • KR1020100057554
    • 2010-06-17
    • 삼성전자주식회사
    • 신원재이남윤홍영준신창용장경훈
    • H04B7/04H04B7/005
    • H04J11/0059H04B7/0452H04B7/0456H04B7/0634H04B7/086H04B7/0862H04B7/0617
    • PURPOSE: A multi cell multi user based precoding method and a communication device are provided to arrange an effective interference channels on the same space of a terminal devices including an interference base station. CONSTITUTION: An effective reference channel arrangement unit(1001) arranges an effective reference channels of a terminal devices including a cell boundary area of an interference base station in the same space. By using effective interference channels of an interference base station is arranged in the same space, a receiving beam forming generation unit(1002) generates a receiving beam forming vector of a terminal devices including in a cell boundary area of a serving base station. By using effective interference channel of the serving base station and a base vector of effective interference channels of an interference base station arranged in the same space, a precoder(1003) generates a predocing vector of a terminal devices including the cell boundary are of the serving base station.
    • 目的:提供一种基于多小区多用户的预编码方法和通信装置,用于在包括干扰基站的终端装置的相同空间上布置有效的干扰信道。 构成:有效参考信道配置单元(1001)将包括干扰基站的小区边界区域的终端装置的有效参考信道配置在同一空间中。 通过使用干扰基站的有效干扰信道被布置在相同的空间中,接收波束形成生成单元(1002)生成包括在服务基站的小区边界区域中的终端装置的接收波束形成向量。 通过使用服务基站的有效干扰信道和布置在相同空间中的干扰基站的有效干扰信道的基本向量,预编码器(1003)生成包括小区边界的终端设备的预寻址向量 基站。
    • 5. 发明公开
    • 4X4 MIMO 안테나를 포함하는 기지국의 프리앰블 수신장치 및 수신방법
    • 用4X4 MIMO天线系统接收随机接入前缀的装置和方法
    • KR1020160029451A
    • 2016-03-15
    • KR1020140119009
    • 2014-09-05
    • 주식회사 케이티
    • 김신환
    • H04B7/08
    • H04B7/0811H04B7/0857H04B7/0862
    • 본출원은 4X4 MIMO 안테나를포함하는기지국의프리앰블수신장치및 수신방법에관한것으로서, 특히본 발명의일 실시예에의한 4X4 MIMO 안테나를포함하는기지국의프리앰블수신방법은, 각각의안테나가단말로부터수신한랜덤엑세스채널(RACH: Random Access Channel) 신호에퓨리에변환를적용하여, 상기안테나별로 RACH 톤을생성하는 RACH 톤생성단계; 상기 RACH 톤에 CAZAC(Constant Amplitude Zero Auto Correlation) 시퀀스및 서브캐리어맵핑을적용한후, 고정소수점(fixed point) 연산을위한입출력이득을설정하여역퓨리에변환를수행하는역퓨리에변환단계; 상기역퓨리에변환에서생성한시간도메인신호에대한유사전력을계산하는유사전력계산단계; 상기안테나별로설정된상기입출력이득의상대적크기로상기유사전력을보상하여, 상기시간도메인신호의상대전력을생성하는이득보상단계; 및상기안테나별로생성한상대전력중에서피크값을추출하여, 상기랜덤액세스채널신호의프리앰블인덱스를검출하는인덱스검출단계를포함할수 있다.
    • 本发明涉及一种用于接收具有4×4 MIMO天线的基站的前同步码的装置和方法。 特别地,根据本发明实施例的用于接收具有4×4 MIMO天线的基站的前导码的方法可以包括:随机接入信道(RACH)乐音产生步骤,用于对从终端接收的RACH信号应用傅立叶变换 通过每个天线产生每个天线的RACH音调; 反向傅立叶变换步骤,用于设定用于定点运算的输入输出增益,并且在将恒定幅度零自相关(CAZAC)序列和副载波映射应用于所述RACH音调之后执行逆傅里叶变换; 类似的电力计算步骤,用于计算在傅里叶逆变换中产生的时域信号的类似电量; 增益补偿步骤,用于以与每个天线设置的输入 - 输出增益相对的大小来补偿相似的电,并且产生时域信号的相对功率; 以及索引检测步骤,从根据每个天线产生的相对功率提取峰值,以及检测随机存取信道信号的前导索引。 本发明旨在提供一种用于接收具有4×4 MIMO的基站的前同步码的装置和方法,其可以简化用于接收前导码的操作。
    • 7. 发明公开
    • 신호 부공간 기반 가중벡터 계산 방법
    • 基于信号的基于重量矢量计算的基于SUBSPACE的方法
    • KR1020130013183A
    • 2013-02-06
    • KR1020110074677
    • 2011-07-27
    • 강원대학교산학협력단
    • 최양호
    • H01Q3/38H04B7/04
    • H04B7/0862H04L1/02
    • PURPOSE: A weight vector calculation method based on signal subspace is applied to a sensor array having a general signal sample or arbitrary structure. CONSTITUTION: A receiving data sample is prepared. A standard correlation sub-matrix is obtained from receiving data. Complex conjugate calculation is performed in the standard correlation sub-matrix. The standard correlation sub-matrix is disassembled to an orthogonal matrix and an upper triangular matrix. An N-th vector is obtained by using the upper triangular matrix. A weight vector is obtained by multiplying the orthogonal matrix and the N-th vector. [Reference numerals] (AA) Received data sample; (BB) Standard correlation sub-matrix R_x(η); (CC) Q-T decomposition of R^H_x(η); (DD) U calculation from T^Hu=ad(η); (EE) Multiplying Q by u; (FF) Weight vector
    • 目的:将基于信号子空间的权重向量计算方法应用于具有一般信号样本或任意结构的传感器阵列。 规定:准备接收数据样本。 从接收数据获得标准相关子矩阵。 在标准相关子矩阵中执行复共轭计算。 将标准相关子矩阵拆分为正交矩阵和上三角矩阵。 通过使用上三角矩阵获得第N个向量。 通过将正交矩阵和第N个向量相乘来获得权重向量。 (附图标记)(AA)接收数据样本; (BB)标准相关子矩阵R_x(η); (CC)R ^ H_x(η)的Q-T分解; (DD)U计算从T ^ Hu = ad(η); (EE)将Q乘以u; (FF)重量向量
    • 9. 发明公开
    • 다중 수신 안테나를 사용하는 통신 시스템에서 채널상태 정보와 잡음전력을 이용하는 신호 결합방법
    • 使用多个接收天线在通信系统中使用信道状态信息和噪声功率组合信号的方法
    • KR1020110040289A
    • 2011-04-20
    • KR1020090097496
    • 2009-10-14
    • (주)에프씨아이
    • 강병수김범진
    • H04B7/08
    • H04B7/0862H04B7/0848
    • PURPOSE: A method for combining signals using channel state information and noise power in communication systems using multiple receiving antennas is provided to adaptively use a combining weight value by checking the states of each antenna in a general channel condition. CONSTITUTION: In a communication system using multiple reception antennas, a signal combining device using CSI(Channel State Information) and noise power includes plural antennas(100), receivers(110,120), a combining processor(200) and a decoder(300). The combining processor performs receiving signal combining and operating process by using cannel compensation data(R1,RN1) and noise power(PN1,PN2). In the data combination process, the device maximizes the SNR(Signal to Noise Ratio) after combination by using a weight value.
    • 目的:提供一种在使用多个接收天线的通信系统中使用信道状态信息和噪声功率组合信号的方法,以通过在通用信道条件下检查每个天线的状态来自适应地使用组合权重值。 构成:在使用多个接收天线的通信系统中,使用CSI(信道状态信息)和噪声功率的信号组合装置包括多个天线(100),接收机(110,120),组合处理器(200)和解码器(300)。 组合处理器通过使用隧道补偿数据(R1,RN1)和噪声功率(PN1,PN2)来执行接收信号组合和操作处理。 在数据组合过程中,器件通过使用权重值使组合后的SNR(信噪比)最大化。
    • 10. 发明公开
    • 다중 안테나 직교 주파수 분할 다중화 시스템에서 기준 신호 전송 방법 및 장치
    • 多天线无线电信系统中参考信号传输方案的方法与装置
    • KR1020100089264A
    • 2010-08-12
    • KR1020090008439
    • 2009-02-03
    • 삼성전자주식회사
    • 지형주한진규조준영이주호
    • H04B7/02H04L27/26
    • H04B7/063H04B7/0639H04B7/0862H04L27/2601
    • PURPOSE: A reference signal transmitting method in a multiple antenna OFDM(Orthogonal Frequency Division Multiplexing) system and a device thereof are provided to perform data demodulation using channel information of a reference signal without information about precoding. CONSTITUTION: A control channel receiver(1105) receives a control channel signal. A control channel information processor(1107) extracts control channel information from the control channel signal. A channel estimator(1113) estimates a channel through a reference signal according to contents and existence of precoding information of the control channel information and rank information. A data channel receiver(1111) receives a data channel according to the estimated result and the precoding information.
    • 目的:提供一种多天线OFDM(正交频分复用)系统中的参考信号发送方法及其装置,以使用没有关于预编码的信息的参考信号的信道信息进行数据解调。 构成:控制信道接收机(1105)接收控制信道信号。 控制信道信息处理器(1107)从控制信道信号中提取控制信道信息。 信道估计器(1113)根据控制信道信息和秩信息的内容和预编码信息的存在,通过参考信号估计信道。 数据信道接收机(1111)根据估计结果和预编码信息接收数据信道。