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1.发明授权公开(公告)号：US07292641B2
公开(公告)日：2007-11-06
申请号：US10891613
申请日：2004-07-15
IPC分类号： H04K1/00
CPC分类号： H04J13/0014 , H04B7/068 , H04J11/003 , H04J13/16 , H04L5/0023 , H04L5/0048 , H04L25/0204 , H04L25/0226 , H04L27/262 , H04L27/2657
摘要： A method for generating a preamble sequence in an OFDM (Orthogonal Frequency Division Multiplexing) communication system that uses A sub-carriers in a frequency domain and uses N Tx (Transmission) antennas, includes the steps of: generating N sequences, each having a length of ‘B/N’, by dividing B sub-carriers from among the A sub-carriers by the ‘N’ indicative of the number of the Tx antennas; and mapping, for each of the N sequences, individual components of the sequence to the B/N sub-carriers from among the A sub-carriers on a one by one basis in order to assign the components of the sequence to the B/N sub-carriers, and assigning null data to remaining sub-carriers other than the B/N sub-carriers from among the A-sub-carriers, such that a preamble sequence of a corresponding Tx antenna is generated.
摘要翻译： 一种在频域中使用A个子载波并使用N Tx（发送）天线的OFDM（正交频分复用）通信系统中生成前置码序列的方法，包括以下步骤：生成N个序列，每个序列具有长度 通过将A个副载波中的B个子载波除以指示Tx天线数量的“N”，将“B / N”分配给“B / N” 并且对于N个序列中的每一个，将序列的各个分量逐一地映射到A个子载波中的B / N个子载波，以便将该序列的分量分配给B / N 并且将空值数据分配给来自A子载波的B / N个子载波以外的剩余子载波，从而生成对应的Tx天线的前导码序列。
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2.发明申请公开(公告)号：US20050013381A1
公开(公告)日：2005-01-20
申请号：US10891613
申请日：2004-07-15
申请人： Chang-Ho Suh , Chan-Soo Hwang , Katz Daniel , Chan-Byoung Chae , Ho-Kyu Choi
发明人： Chang-Ho Suh , Chan-Soo Hwang , Katz Daniel , Chan-Byoung Chae , Ho-Kyu Choi
CPC分类号： H04J13/0014 , H04B7/068 , H04J11/003 , H04J13/16 , H04L5/0023 , H04L5/0048 , H04L25/0204 , H04L25/0226 , H04L27/262 , H04L27/2657
摘要： A method for generating a preamble sequence in an OFDM (Orthogonal Frequency Division Multiplexing) communication system that uses A sub-carriers in a frequency domain and uses N Tx (Transmission) antennas, includes the steps of: generating N sequences, each having a length of ‘B/N’, by dividing B sub-carriers from among the A sub-carriers by the ‘N’ indicative of the number of the Tx antennas; and mapping, for each of the N sequences, individual components of the sequence to the B/N sub-carriers from among the A sub-carriers on a one by one basis in order to assign the components of the sequence to the B/N sub-carriers, and assigning null data to remaining sub-carriers other than the B/N sub-carriers from among the A-sub-carriers, such that a preamble sequence of a corresponding Tx antenna is generated.
摘要翻译： 一种在频域中使用A个子载波并使用N Tx（发送）天线的OFDM（正交频分复用）通信系统中生成前置码序列的方法，包括以下步骤：生成N个序列，每个序列具有长度 通过将A个副载波中的B个子载波除以指示Tx天线数量的“N”，将“B / N”分配给“B / N” 并且对于N个序列中的每一个，将序列的各个分量逐一地映射到A个子载波中的B / N个子载波，以便将该序列的分量分配给B / N 并且将空值数据分配给来自A子载波的B / N个子载波以外的剩余子载波，从而生成对应的Tx天线的前导码序列。
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3.发明授权Apparatus and method for receiving signal in mobile communication system using adaptive antenna array scheme 有权使用自适应天线阵列方案在移动通信系统中接收信号的装置和方法公开(公告)号：US07483502B2
公开(公告)日：2009-01-27
申请号：US10922467
申请日：2004-08-20
IPC分类号： H04L25/08
CPC分类号： H04B7/086
摘要： A method for receiving a signal from a radio unit in a base station having at least one reception antenna is disclosed. The method includes receiving a reception signal via the reception antenna, and generating an output signal using the reception signal and a reception beam weight for a previous time; calculating a cost function using a desired reception signal transmitted from the radio unit among the reception signal and the generated output signal; calculating a trace vector using the calculated cost function and the reception signal; updating the reception beam weight using the trace vector for a next time; and generating a reception beam by applying the updated reception beam weight.
摘要翻译： 公开了一种用于从具有至少一个接收天线的基站中的无线电单元接收信号的方法。 该方法包括经由接收天线接收接收信号，并使用接收信号和前一时刻的接收波束权重产生输出信号; 使用从所述无线单元在所述接收信号和所生成的输出信号中发送的期望接收信号来计算成本函数; 使用计算的成本函数和接收信号计算跟踪向量; 使用跟踪向量更新下一次的接收波束权重; 以及通过应用更新的接收波束权重来产生接收波束。
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4.发明授权Apparatus and method for receiving data in a mobile communication system using an adaptive antenna array scheme 有权在使用自适应天线阵列方案的移动通信系统中接收数据的装置和方法公开(公告)号：US07586981B2
公开(公告)日：2009-09-08
申请号：US10893439
申请日：2004-07-16
IPC分类号： H04B1/00
CPC分类号： H04B7/086 , H04B7/0854
摘要： A mobile communication system receives a reception signal, and determines a first error value by using a first scheme, and a second error value by using a second scheme, and determines a first scheme application weight according to a difference between the first error value and the second error value, and a second scheme application weight according to the difference between the first error value and the second error value, and generates a third error value using a scheme that combines the first scheme to which the first scheme application weight is applied and the second scheme to which the second scheme application weight is applied, and determines a reception beam weight using the reception signal, the third error value, and an output signal generated by applying the reception beam to the reception signal, wherein the reception beam weight is used for generating the reception beam.
摘要翻译： 移动通信系统接收接收信号，并通过使用第一方案确定第一误差值，使用第二方案确定第二误差值，并且根据第一误差值和 第二误差值和第二方案应用权重，并且使用将应用了第一方案应用权重的第一方案与第一方案应用权重与第二错误值组合的方案来生成第三错误值， 使用第二方案应用权重的第二方案，并且使用接收信号，第三误差值和通过将接收波束应用于接收信号而生成的输出信号来确定接收波束权重，其中使用接收波束权重 用于产生接收波束。
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5.发明授权System and method for transmitting and receiving a signal in a mobile communication system using a multiple input multiple output adaptive antenna array scheme 有权使用多输入多输出自适应天线阵列方案在移动通信系统中发送和接收信号的系统和方法公开(公告)号：US07499728B2
公开(公告)日：2009-03-03
申请号：US10899400
申请日：2004-07-26
IPC分类号： H04M1/00
CPC分类号： H04B7/0634 , H04B7/0617 , H04B7/0854
摘要： A method for transmitting and receiving weight information for creating transmission/reception beams in a mobile communication system using a multiple input multiple output adaptive antenna array scheme. The method includes a receiver receiving a predetermined signal, and differentially providing weights to a first scheme and a second scheme for minimizing an error between the received signal and a predetermined reference signal, thereby obtaining a minimum error value. The receiver generates a despread signal by despreading the received signal, produces a reception weight for creation of a reception beam by the receiver through calculation using the despread signal and the minimum error value, and produces a transmission weight for creation of a transmission beam by a counterpart transmitter through calculation using the reception weight and the minimum error value. The receiver generates predetermined feedback information including the transmission weight and a transmitter transmits the feedback information to a counterpart receiver.
摘要翻译： 一种用于在使用多输入多输出自适应天线阵列方案的移动通信系统中发送和接收用于创建发送/接收波束的加权信息的方法。 该方法包括接收预定信号的接收机，并且差分地提供第一方案的权重和用于最小化接收信号与预定参考信号之间的误差的第二方案，由此获得最小误差值。 接收机通过解扩接收的信号来产生解扩信号，通过使用去扩展信号和最小误差值的计算产生接收机通过接收机产生接收波束的接收权重，并产生用于通过 通过使用接收权重和最小误差值计算对方发射机。 接收机产生包括传输权重的预定反馈信息，并且发射机将反馈信息发送到对方接收机。
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6.发明授权Apparatus and method for transmitting data by selected eigenvector in closed loop MIMO mobile communication system 有权在闭环MIMO移动通信系统中通过选定的特征向量发送数据的装置和方法公开(公告)号：US07450532B2
公开(公告)日：2008-11-11
申请号：US11005398
申请日：2004-12-06
申请人： Chan-Byoung Chae , Hong-Sil Jeong , Katz Marcos Daniel , Seok Hyun Yoon , Dong-Seek Park , Chang-Ho Suh , Jae-Yoel Kim , Young-Kwon Cho
发明人： Chan-Byoung Chae , Hong-Sil Jeong , Katz Marcos Daniel , Seok Hyun Yoon , Dong-Seek Park , Chang-Ho Suh , Jae-Yoel Kim , Young-Kwon Cho
IPC分类号： H04J11/00
CPC分类号： H04B7/0417 , H04B7/0634 , H04L1/06
摘要： Disclosed is a method for transmitting/receiving data by use of feedback information in a closed loop multi input multi output (MIMO) mobile communication system. The method includes the steps of feeding back transmission eigenvector selection information determined through a singular value decomposition (SVD) of a channel matrix and transmitting the transmission eigenvector selection information to a transmitter; and receiving the feedback transmission eigenvector selection information, selecting transmission data according to the received transmission eigenvector selection information, mapping the selected transmission data to at least one transmission antenna, and transmitting the transmission data to a receiver.
摘要翻译： 公开了一种在闭环多输入多输出（MIMO）移动通信系统中通过使用反馈信息发送/接收数据的方法。 该方法包括以下步骤：反馈通过信道矩阵的奇异值分解（SVD）确定的发送特征向量选择信息，并将发送特征向量选择信息发送给发送机; 以及接收所述反馈传输特征向量选择信息，根据接收到的传输特征向量选择信息选择传输数据，将所选择的传输数据映射到至少一个传输天线，以及将传输数据发送到接收机。
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7.发明申请Apparatus and method for receiving signal in mobile communication system using adaptive antenna array scheme 有权使用自适应天线阵列方案在移动通信系统中接收信号的装置和方法公开(公告)号：US20050059348A1
公开(公告)日：2005-03-17
申请号：US10922467
申请日：2004-08-20
CPC分类号： H04B7/086
摘要： A method for receiving a signal from a radio unit in a base station having at least one reception antenna is disclosed. The method includes receiving a reception signal via the reception antenna, and generating an output signal using the reception signal and a reception beam weight for a previous time; calculating a cost function using a desired reception signal transmitted from the radio unit among the reception signal and the generated output signal; calculating a trace vector using the calculated cost function and the reception signal; updating the reception beam weight using the trace vector for a next time; and generating a reception beam by applying the updated reception beam weight.
摘要翻译： 公开了一种用于从具有至少一个接收天线的基站中的无线电单元接收信号的方法。 该方法包括经由接收天线接收接收信号，并使用接收信号和前一时刻的接收波束权重产生输出信号; 使用从所述无线单元在所述接收信号和所生成的输出信号中发送的期望接收信号来计算成本函数; 使用计算的成本函数和接收信号计算跟踪向量; 使用跟踪向量更新下一次的接收波束权重; 以及通过应用更新的接收波束权重来产生接收波束。
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8.发明授权Apparatus and method for generating a preamble sequence in an OFDM communication system 有权用于在OFDM通信系统中生成前置码序列的装置和方法公开(公告)号：US07289588B2
公开(公告)日：2007-10-30
申请号：US10726096
申请日：2003-12-02
申请人： Chang-Ho Suh , Chan-Byoung Chae , Ho-Kyu Choi , Jung-Min Ro , Pan-Yuh Joo
发明人： Chang-Ho Suh , Chan-Byoung Chae , Ho-Kyu Choi , Jung-Min Ro , Pan-Yuh Joo
IPC分类号： H04L7/00
CPC分类号： H04L27/2613 , H04L27/2607 , H04L27/2614 , H04L27/2656 , H04L27/2657 , H04L2027/0095
摘要： A method for generating a preamble sequence in an orthogonal frequency division multiplexing (OFDM) communication system having A subcarriers in a frequency domain. The method comprises generating a length -M×N preamble sequence, where M×N is less than A, by using a length-N Golay complementary sequence and a length-M Golay complementary sequence; and assigning elements constituting the preamble sequence to M×N subcarriers among the A subcarriers on a one-to-one mapping basis, assigning null data to the remaining subcarriers excluding the M×N subcarriers from the A subcarriers, and then IFFT-transforming the assigned result into time-domain data.
摘要翻译： 一种用于在频域中具有A个子载波的正交频分复用（OFDM）通信系统中产生前同步码序列的方法。 该方法包括通过使用长度-GGayay互补序列和长度M Gayay互补序列来生成MxN小于A的长度-MxN前导码序列; 并且在一对一映射的基础上，将构成前同步码序列的元素分配给A个子载波中的M×N个子载波，将空数据分配给来自A个子载波的除了M×N个子载波之外的剩余子载波，然后将分配结果IFFT变换为时间 域数据。
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9.发明授权Apparatus and method for generating a preamble sequence in an OFDM communication system 有权用于在OFDM通信系统中生成前置码序列的装置和方法公开(公告)号：US07366090B2
公开(公告)日：2008-04-29
申请号：US10819502
申请日：2004-04-07
申请人： Chang-Ho Suh , Chan-Byoung Chae , Ho-Kyu Choi , Jung-Min Ro , Pan-Yuh Joo
发明人： Chang-Ho Suh , Chan-Byoung Chae , Ho-Kyu Choi , Jung-Min Ro , Pan-Yuh Joo
IPC分类号： H04J11/00
CPC分类号： H04L27/2613
摘要： A method for generating a preamble sequence in an orthogonal frequency division multiplexing (OFDM) communication system having A subcarriers in a frequency domain. The method comprises generating a length-2×M×N preamble sequence, where 2×M×N is less than A, by using a length-N Golay complementary sequence and a length-M Golay complementary sequence; and assigning elements constituting the preamble sequence to 2×M×N subcarriers among the A subcarriers on a one-to-one mapping basis, assigning null data to the remaining subcarriers excluding the 2×M×N subcarriers from the A subcarriers, and then IFFT-transforming the assigned result into time-domain data.
摘要翻译： 一种用于在频域中具有A个子载波的正交频分复用（OFDM）通信系统中产生前同步码序列的方法。 该方法包括通过使用长度-GGayay互补序列和长度-MGolay互补序列来生成2xMxN小于A的长度为2xMxN的前导码序列; 并且在一对一映射的基础上，将构成前同步码序列的元素分配给A×A×N×N个子载波中的2×M×N个子载波，从空载子载波分配空余数据到除了2×M×N个子载波以外的剩余子载波，然后将分配结果IFFT变换为时间 域数据。
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10.发明授权Apparatus and method for encoding/decoding space time block code in a mobile communication system using multiple input multiple output scheme 有权在使用多输入多输出方案的移动通信系统中对空间时间块码进行编码/解码的装置和方法公开(公告)号：US07620117B2
公开(公告)日：2009-11-17
申请号：US11124888
申请日：2005-05-09
IPC分类号： H04L27/00
CPC分类号： H04L1/0643
摘要： Disclosed is an apparatus and method for encoding/decoding a space time block code in a mobile communication system using a multiple input multiple output scheme. In a transmitter employing a plurality of transmit antennas in the mobile communication system, if a signal to be transmitted is input, the transmit signal is pre-encoded according to a preset coding scheme, the pre-encoded signal is space-time mapped according to a number of the transmit antennas to employ a preset space time block coding scheme, and the space-time mapped signal is transmitted through the transmit antennas by applying the preset space time block coding scheme to the space-time mapped signal.
摘要翻译： 公开了一种使用多输入多输出方案在移动通信系统中对时空块码进行编码/解码的装置和方法。 在移动通信系统中采用多个发射天线的发射机中，如果要发射的信号被输入，则根据预设的编码方案对发射信号进行预编码，根据预编码信号进行空时映射 使用预设空间时间块编码方案的多个发送天线，并且通过将预设空间时间块编码方案应用于时空映射信号，通过发送天线发送空时映射信号。
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