公开(公告)号：US08406349B2

公开(公告)日：2013-03-26

申请号：US12808726

申请日：2008-06-05

申请人： Yuro Lee ,  Jong-Ee Oh ,  Minho Cheong ,  Sok-Kyu Lee

发明人： Yuro Lee ,  Jong-Ee Oh ,  Minho Cheong ,  Sok-Kyu Lee

IPC分类号： H04L27/06

CPC分类号： H04L25/03318 ,  H04L25/0242 ,  H04L25/03305 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04L2025/03624

摘要： Provided is a method and apparatus for receiving a signal for a MIMO system. The receiving apparatus includes: a QR decomposer for calculating a unitary matrix Q, an upper triangle matrix R, and a vector size for a received signal; a multiple dimension detector for calculating a first LLR for an output of the QR decomposer through multiple dimension detection; an inverse matrix and weight calculator for calculating an inverse matrix for the upper triangle matrix R and a weight; an interference remover for regenerating a symbol for a demodulated data stream using the fist LLR and removing interference from an output vector of the QR decomposer using the regenerated symbol; and a weight zero forcing unit for performing zero forcing on the interference removed output vector from the interference remover using the inverse matrix of the upper triangle matrix R and the weight and calculating a second LLR.

摘要翻译： 提供了一种用于接收MIMO系统的信号的方法和装置。 接收装置包括：QR分解器，用于计算酉矩阵Q，上三角矩阵R和接收信号的向量大小; 多维度检测器，用于通过多维度检测计算QR分解器的输出的第一LLR; 用于计算上三角矩阵R和权重的逆矩阵的逆矩阵和权重计算器; 干扰去除器，用于使用第一LLR再生用于解调数据流的符号，并使用再生符号去除来自QR分解器的输出向量的干扰; 以及加权零强制单元，用于使用上三角矩阵R和权重的逆矩阵和权重对来自干扰去除器的干扰去除输出向量执行零强制并计算第二LLR。

公开(公告)号：US20120195302A1

公开(公告)日：2012-08-02

申请号：US13443635

申请日：2012-04-10

申请人： Jaewoo PARK ,  Jong-Ee Oh ,  Il-Gu Lee ,  Sok-kyu Lee ,  Minho Cheong ,  Jeeyon Choi ,  Jae-Seung Lee ,  Yun-Joo Kim

发明人： Jaewoo PARK ,  Jong-Ee Oh ,  Il-Gu Lee ,  Sok-kyu Lee ,  Minho Cheong ,  Jeeyon Choi ,  Jae-Seung Lee ,  Yun-Joo Kim

IPC分类号： H04L1/00 ,  H04W84/12

CPC分类号： H04B7/0452 ,  H04B7/0413 ,  H04L1/0003 ,  H04L1/0061 ,  H04L1/0072 ,  H04L1/0075 ,  H04L1/0083 ,  H04L1/08 ,  H04L27/18 ,  H04L27/20 ,  H04L69/22 ,  H04L69/323 ,  H04Q2213/13215 ,  H04W84/12

摘要： The present invention relates to a method and apparatus for transceiving data. A method in which a transmitting terminal transmits data to a receiving terminal in a MIMO system according to one embodiment of the present invention comprises the following steps: generating a data field containing the data; generating a signal field containing information on the data field; generating a data frame containing the data field and the signal field; and transmitting the data frame to the receiving terminal. According to the present invention, an end of the frame being transmitted is accurately notified to the receiving terminal in a communication system in which the frame is transmitted using MIMO, thereby decoding the frame in a more efficient manner at the receiving terminal.

摘要翻译： 本发明涉及用于收发数据的方法和装置。 根据本发明的一个实施例的发送终端向MIMO系统中的接收终端发送数据的方法包括以下步骤：产生包含数据的数据字段; 生成包含关于数据字段的信息的信号字段; 生成包含数据字段和信号字段的数据帧; 并将数据帧发送到接收终端。 根据本发明，在使用MIMO发送帧的通信系统中，正在发送的帧的结束被准确地通知给接收终端，从而在接收终端以更有效的方式对帧进行解码。

公开(公告)号：US20120213305A1

公开(公告)日：2012-08-23

申请号：US13434681

申请日：2012-03-29

申请人： Jong-Ee OH ,  Minho Cheong ,  Sok-Kyu Lee

发明人： Jong-Ee OH ,  Minho Cheong ,  Sok-Kyu Lee

IPC分类号： H04B7/02

CPC分类号： H04B7/0452 ,  H04B7/0413 ,  H04L1/0083 ,  H04L1/0643 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/003 ,  H04W28/06 ,  H04W84/12

摘要： The present invention relates to a method and apparatus for transmitting and receiving data. A data transmission method from a sender terminal to a receiver terminal in a MIMO system using a variable frequency band according to one embodiment of the present invention comprises: repeatedly generating a signal field depending on a frequency band that is applied to the transmission of a data frame; generating a data field including the data; generating a data frame including the signal field and the data field; and transmitting the data frame to the receiver terminal. The present invention is advantageous in that a signal field which is transmitted together with the data being transmitted from the sender terminal to the receiver terminal in the MIMO system can be sent more efficiently.

摘要翻译： 本发明涉及用于发送和接收数据的方法和装置。 根据本发明的一个实施例的使用可变频带的MIMO系统中的从发送者终端到接收终端的数据传输方法包括：根据应用于数据传输的频带重复产生信号场 帧; 生成包括数据的数据字段; 生成包括信号字段和数据字段的数据帧; 并将数据帧发送到接收机终端。 本发明的优点在于，能够更有效地发送与MIMO系统中的发送方终端发送到接收终端的数据一起发送的信号场。

公开(公告)号：US20100266072A1

公开(公告)日：2010-10-21

申请号：US12808726

申请日：2008-06-05

申请人： Yuro Lee ,  Jong-Ee Oh ,  Minho Cheong ,  Sok-Kyu Lee

发明人： Yuro Lee ,  Jong-Ee Oh ,  Minho Cheong ,  Sok-Kyu Lee

IPC分类号： H04L27/06

CPC分类号： H04L25/03318 ,  H04L25/0242 ,  H04L25/03305 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04L2025/03624

摘要： Provided is a method and apparatus for receiving a signal for a MIMO system. The receiving apparatus includes: a QR decomposer for calculating a unitary matrix Q, an upper triangle matrix R, and a vector size for a received signal; a multiple dimension detector for calculating a first LLR for an output of the QR decomposer through multiple dimension detection; an inverse matrix and weight calculator for calculating an inverse matrix for the upper triangle matrix R and a weight; an interference remover for regenerating a symbol for a demodulated data stream using the fist LLR and removing interference from an output vector of the QR decomposer using the regenerated symbol; and a weight zero forcing unit for performing zero forcing on the interference removed output vector from the interference remover using the inverse matrix of the upper triangle matrix R and the weight and calculating a second LLR.

摘要翻译： 提供了一种用于接收MIMO系统的信号的方法和装置。 接收装置包括：QR分解器，用于计算酉矩阵Q，上三角矩阵R和接收信号的向量大小; 多维度检测器，用于通过多维度检测计算QR分解器的输出的第一LLR; 用于计算上三角矩阵R和权重的逆矩阵的逆矩阵和权重计算器; 干扰去除器，用于使用第一LLR再生用于解调数据流的符号，并使用再生符号去除来自QR分解器的输出向量的干扰; 以及加权零强制单元，用于使用上三角矩阵R和权重的逆矩阵和权重对来自干扰去除器的干扰去除输出向量执行零强制并计算第二LLR。

公开(公告)号：US08422474B2

公开(公告)日：2013-04-16

申请号：US13443635

申请日：2012-04-10

申请人： Jaewoo Park ,  Jong-Ee Oh ,  Il-Gu Lee ,  Sok-Kyu Lee ,  Minho Cheong ,  Jeeyon Choi ,  Jae-Seung Lee ,  Yun-Joo Kim

发明人： Jaewoo Park ,  Jong-Ee Oh ,  Il-Gu Lee ,  Sok-Kyu Lee ,  Minho Cheong ,  Jeeyon Choi ,  Jae-Seung Lee ,  Yun-Joo Kim

IPC分类号： H04W4/00

CPC分类号： H04B7/0452 ,  H04B7/0413 ,  H04L1/0003 ,  H04L1/0061 ,  H04L1/0072 ,  H04L1/0075 ,  H04L1/0083 ,  H04L1/08 ,  H04L27/18 ,  H04L27/20 ,  H04L69/22 ,  H04L69/323 ,  H04Q2213/13215 ,  H04W84/12

摘要： The present invention relates to a method and apparatus for transceiving data. A method in which a transmitting terminal transmits data to a receiving terminal in a MIMO system according to one embodiment of the present invention comprises the following steps: generating a data field containing the data; generating a signal field containing information on the data field; generating a data frame containing the data field and the signal field; and transmitting the data frame to the receiving terminal. According to the present invention, an end of the frame being transmitted is accurately notified to the receiving terminal in a communication system in which the frame is transmitted using MIMO, thereby decoding the frame in a more efficient manner at the receiving terminal.

公开(公告)号：US09241318B2

公开(公告)日：2016-01-19

申请号：US13336864

申请日：2011-12-23

申请人： Minho Cheong ,  Sok-Kyu Lee

发明人： Minho Cheong ,  Sok-Kyu Lee

IPC分类号： H04B7/02 ,  H04L1/02 ,  H04W56/00 ,  H04B7/04 ,  H04L27/26

CPC分类号： H04W56/00 ,  H04B7/0426 ,  H04L27/2656

摘要： Disclosed is an apparatus for receiving data in a communication system, including a receiving unit configured to receive data through a multi-channel in a MIMO (multi-input multi-output) scheme; a calculating unit configured to calculate a receiving power distribution value in each antenna of a multi-antenna and in each channel of the multi-channel, correspondingly to the MIMO scheme, and to generate a receiving synchronization signal using the receiving power distribution value; and a synchronization unit configured to synchronize frames for the data receiving of the receiving unit using the receiving synchronization signal.

摘要翻译： 公开了一种用于在通信系统中接收数据的装置，包括接收单元，被配置为在MIMO（多输入多输出）方案中通过多信道接收数据; 计算单元，被配置为对应于MIMO方案来计算多天线的每个天线和多信道的每个信道中的接收功率分布值，并且使用接收功率分布值来生成接收同步信号; 以及同步单元，被配置为使用接收同步信号来同步用于接收单元的数据接收的帧。

公开(公告)号：US08654881B2

公开(公告)日：2014-02-18

申请号：US13434681

申请日：2012-03-29

申请人： Jong-Ee Oh ,  Minho Cheong ,  Sok-Kyu Lee

发明人： Jong-Ee Oh ,  Minho Cheong ,  Sok-Kyu Lee

IPC分类号： H04B7/02 ,  H04B1/02

CPC分类号： H04B7/0452 ,  H04B7/0413 ,  H04L1/0083 ,  H04L1/0643 ,  H04L1/08 ,  H04L5/0007 ,  H04L5/003 ,  H04W28/06 ,  H04W84/12

摘要： The present invention relates to a method and apparatus for transmitting and receiving data. A data transmission method from a sender terminal to a receiver terminal in a MIMO system using a variable frequency band according to one embodiment of the present invention comprises: repeatedly generating a signal field depending on a frequency band that is applied to the transmission of a data frame; generating a data field including the data; generating a data frame including the signal field and the data field; and transmitting the data frame to the receiver terminal. The present invention is advantageous in that a signal field which is transmitted together with the data being transmitted from the sender terminal to the receiver terminal in the MIMO system can be sent more efficiently.

摘要翻译： 本发明涉及用于发送和接收数据的方法和装置。 根据本发明的一个实施例的使用可变频带的MIMO系统中的从发送者终端到接收终端的数据传输方法包括：根据应用于数据传输的频带重复产生信号场 帧; 生成包括数据的数据字段; 生成包括信号字段和数据字段的数据帧; 并将数据帧发送到接收机终端。 本发明的优点在于，能够更有效地发送与MIMO系统中的发送方终端发送到接收终端的数据一起发送的信号场。

公开(公告)号：US08422465B2

公开(公告)日：2013-04-16

申请号：US12241921

申请日：2008-09-30

申请人： Il-Gu Lee ,  Hun-Sik Kang ,  Minho Cheong ,  Yoo-Seung Song ,  Sok-Kyu Lee

发明人： Il-Gu Lee ,  Hun-Sik Kang ,  Minho Cheong ,  Yoo-Seung Song ,  Sok-Kyu Lee

IPC分类号： H04B7/216 ,  H04B1/38

CPC分类号： H04B7/04 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/2675

摘要： Provided are a transmitter and receiver for a high throughput wireless communication system using a multiple antenna, a method thereof, and a digital intermediate frequency (DIF) transmission signal processing method for the same. The transmitter, includes: a baseband transmitting unit for processing a transmission signal by performing a Media Access Control (MAC) protocol process on transmission data and dividing the transmission data into n band signals where n is a predetermined natural number in a physical layer process; a DIF transmitting unit for integrating transmission signals of each band transmitted from the baseband transmitting unit and outputting m channels where m is a predetermined natural number; and a Radio Frequency (RF) transmitting unit for modulating each channel signal transmitted from the DIF transmitting unit into an RF signal and emitting the signal through the multiple antenna.

摘要翻译： 提供一种用于使用多天线的高吞吐量无线通信系统的发射机和接收机，其方法和用于其的数字中频（DIF）传输信号处理方法。 发射机包括：基带发射单元，用于通过在传输数据上执行媒体访问控制（MAC）协议处理来处理传输信号，并且在物理层处理中将传输数据划分成n个频带信号，其中n是预定的自然数; DIF发送单元，用于对从基带发送单元发送的每个频带的发送信号进行积分，并输出m个信道，其中m是预定的自然数; 以及射频（RF）发送单元，用于将从DIF发送单元发送的每个信道信号调制成RF信号，并通过多个天线发送信号。

公开(公告)号：US20090135942A1

公开(公告)日：2009-05-28

申请号：US12174929

申请日：2008-07-17

申请人： Yun-Joo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyun-Gu Park ,  Minho Cheong ,  Sok-Kyu Lee

发明人： Yun-Joo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyun-Gu Park ,  Minho Cheong ,  Sok-Kyu Lee

IPC分类号： H04B7/02

CPC分类号： H04B7/0691 ,  H04L47/50

摘要： Provided are an apparatus and method for transmitting data using a multi-antenna. The apparatus includes a transmission buffer selecting unit for selecting transmission buffer of an antenna group corresponding to characteristics of each aggregated Medium access control Protocol Data Units (MPDU) when a list of aggregated MPDUs to transmit is received; a data transmitting unit for generating a list of aggregated MPDUs to transmit with storage information of the aggregated MPDUs, transferring the generated list to the transmission buffer selecting unit and transmitting corresponding aggregated MPDUs through the selected transmission buffer; and a timing controlling unit for controlling a transmission timing of each aggregated MPDU.

摘要翻译： 提供了一种使用多天线发送数据的装置和方法。 发送缓冲器选择单元，用于当接收到要发送的聚合MPDU的列表时，选择对应于每个聚合的媒体访问控制协议数据单元（MPDU）的特性的天线组的发送缓冲器; 数据发送单元，用于生成与所聚合的MPDU的存储信息一起发送的聚合MPDU的列表，将生成的列表传送到发送缓冲器选择单元，并通过所选择的发送缓冲器发送对应的聚合MPDU; 以及定时控制单元，用于控制每个汇聚的MPDU的发送定时。

公开(公告)号：US08537920B2

公开(公告)日：2013-09-17

申请号：US12174929

申请日：2008-07-17

申请人： Yun-Joo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyun-Gu Park ,  Minho Cheong ,  Sok-Kyu Lee

发明人： Yun-Joo Kim ,  Yoo-Seung Song ,  Jee-Yon Choi ,  Hyun-Gu Park ,  Minho Cheong ,  Sok-Kyu Lee

IPC分类号： H04B7/02 ,  H04L1/02

CPC分类号： H04B7/0691 ,  H04L47/50

摘要： Provided are an apparatus and method for transmitting data using a multi-antenna. The apparatus includes a transmission buffer selecting unit for selecting transmission buffer of an antenna group corresponding to characteristics of each aggregated Medium access control Protocol Data Units (MPDU) when a list of aggregated MPDUs to transmit is received; a data transmitting unit for generating a list of aggregated MPDUs to transmit with storage information of the aggregated MPDUs, transferring the generated list to the transmission buffer selecting unit and transmitting corresponding aggregated MPDUs through the selected transmission buffer; and a timing controlling unit for controlling a transmission timing of each aggregated MPDU.

摘要翻译： 提供了一种使用多天线发送数据的装置和方法。 发送缓冲器选择单元，用于当接收到要发送的聚合MPDU的列表时，选择对应于每个聚合的媒体访问控制协议数据单元（MPDU）的特性的天线组的发送缓冲器; 数据发送单元，用于生成与所聚合的MPDU的存储信息一起发送的聚合MPDU的列表，将生成的列表传送到发送缓冲器选择单元，并通过所选择的发送缓冲器发送对应的聚合MPDU; 以及定时控制单元，用于控制每个汇聚的MPDU的发送定时。