公开(公告)号：WO2006019250A1

公开(公告)日：2006-02-23

申请号：PCT/KR2005/002679

申请日：2005-08-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： CHAE, Chan-Byoung ,  YUN, Sung-Ryul ,  JEONG, Hong-Sil ,  ROH, Won-Il ,  PARK, Dong-Seek ,  KIM, Jae-Yoel ,  OH, Jeong-Tae ,  KO, Kyun-Byoung

IPC: H04B7/06

CPC classification number: H04L1/0606 ,  H04L1/0001 ,  H04L1/0625 ,  H04L1/0631 ,  H04L1/0668 ,  H04L1/0681

Abstract: A space-time-frequency block coding apparatus and method in a transmitter with three transmit (Tx) antennas are provided. An input symbol sequence is transmitted through three Tx antennas according to a permutation method using a selected transmission matrix in order to improve the performance of an STFBC.

Abstract translation: 提供了具有三个发射（Tx）天线的发射机中的时空频块编码装置和方法。 根据使用选择的传输矩阵的置换方法，通过三个Tx天线传输输入符号序列，以便提高STFBC的性能。

公开(公告)号：WO2006004383A1

公开(公告)日：2006-01-12

申请号：PCT/KR2005/002183

申请日：2005-07-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： OH, Jeong-Tae ,  ROH, Won-Il ,  KO, Kyun-Byoung ,  MAENG, Seung-Joo ,  JEON, Jae-Ho ,  JOO, Pan-Yuh ,  CHAE, Chan-Byoung ,  JEONG, Hong-Sil ,  YUN, Sung-Ryul

IPC: H04J11/00

CPC classification number: H04B7/0613 ,  H04L1/0066 ,  H04L1/007 ,  H04L1/0071 ,  H04L1/0668 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/0226

Abstract: A method and system for transmitting reference signals in a BWA communication system using a first transmit antenna, a second transmit antenna, and a plurality of sub-carriers. Each of the sub-carriers occupies a sub-frequency domain. In the method, reference signals for identifying a first transmit antenna are transmitted through a second predetermined number of sub-carriers in a first mini sub-channel transmitted through the first transmit antenna and occupied by a predetermined time domain and sub-frequency domains of a first predetermined number of sub-carriers, and reference signals for identifying a second transmit antenna are transmitted through the second predetermined number of the sub-carriers in a second mini sub-channel transmitted through the second transmit antenna and occupied by the time domain and the sub-frequency domains of the first predetermined number of sub-carriers.

Abstract translation: 一种使用第一发射天线，第二发射天线和多个子载波在BWA通信系统中发送参考信号的方法和系统。 每个子载波占用一个子频域。 在该方法中，用于识别第一发射天线的参考信号通过第一预定数量的子载波在通过第一发射天线发送并由预定时域占据的第一小型子信道中传输， 第一预定数量的子载波和用于识别第二发射天线的参考信号通过第二预定数量的子载波在通过第二发射天线发射并被时域占用的第二小型子信道中发送，并且 第一预定数量的副载波的子频域。

公开(公告)号：WO2005122426A1

公开(公告)日：2005-12-22

申请号：PCT/KR2005/001779

申请日：2005-06-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： JEONG, Hong-Sil ,  CHAE, Chan-Byoung ,  KIM, Jae-Yoel

IPC: H04B7/06

CPC classification number: H04L1/0021 ,  H04B7/0632 ,  H04B7/0689 ,  H04B17/24 ,  H04L1/0003 ,  H04L1/0026 ,  H04L1/0643

Abstract: An apparatus and method for controlling a transmission mode in a MIMO mobile com¬ munication system are provided. In a receiver in the MIMO mobile communication system, an error checker checks errors in received data and outputting an error check result. A feedback portion adaptively changes a threshold associated with a channel state according to the error check result, and determines a transmission mode by comparing the changed threshold with a measured CQI, and feeds back transmission mode information to a transmitter.

Abstract translation: 提供了一种用于控制MIMO移动通信系统中的传输模式的装置和方法。 在MIMO移动通信系统的接收机中，错误检查器检查接收到的数据中的错误并输出错误检查结果。 反馈部分根据错误检查结果自适应地改变与信道状态相关联的阈值，并且通过将改变的阈值与测量的CQI进行比较来确定发送模式，并将发送模式信息反馈到发送器。

公开(公告)号：WO2006096007A1

公开(公告)日：2006-09-14

申请号：PCT/KR2006/000814

申请日：2006-03-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： OH, Jeong-Tae ,  ROH, Won-Il ,  KO, Kyun-Byoung ,  JEON, Jae-Ho ,  MAENG, Seung-Joo ,  YUN, Sung-Ryul ,  CHAE, Chan-Byoung ,  JEONG, Hong-Sil

IPC: H04B1/69

CPC classification number: H04L1/0668 ,  H04L5/0023 ,  H04L5/0046 ,  H04L5/0048

Abstract: A method of mapping Space-Time Coding (STC) data to subcarriers in a broadband wireless communication system using multiple antennas is provided. Transmission symbols are encoded according to a predetermined space-time coding matrix and the coded data symbols are mapped to time-space-subcarriers according to a mapping rule determined by the space-time coding matrix.

Abstract translation: 提供了一种使用多个天线在宽带无线通信系统中将空时编码（STC）数据映射到子载波的方法。 传输符号根据预定的空时编码矩阵进行编码，编码后的数据符号根据由时空编码矩阵确定的映射规则映射到时空子载波。

公开(公告)号：WO2006019253A1

公开(公告)日：2006-02-23

申请号：PCT/KR2005/002682

申请日：2005-08-17

Applicant: SAMSUNG ELECTRONICS CO., LTD

Inventor： CHAE, Chan-Byoung ,  YUN, Sung-Ryul ,  JEONG, Hong-Sil ,  ROH, Won-Il ,  PARK, Dong-Seek ,  KIM, Jae-Yoel ,  OH, Jeong-Tae ,  KO, Kyun-Byoung

IPC: H04B7/06

CPC classification number: H04L1/0606 ,  H04L1/0001 ,  H04L1/0625 ,  H04L1/0631 ,  H04L1/0668 ,  H04L1/0681

Abstract: A space-time-frequency block coding apparatus and method in a transmitter with three transmit (Tx) antennas are provided. An input symbol sequence is transmitted through three Tx antennas according to a set method using feedback information received from a receiver or using a selected transmission matrix having regularities in order to improve the performance of an STFBC.

Abstract translation: 提供了具有三个发射（Tx）天线的发射机中的时空频块编码装置和方法。 根据使用从接收器接收的反馈信息或使用所选择的具有规律性的传输矩阵的设置方法，通过三个Tx天线传输输入符号序列，以便提高STFBC的性能。

公开(公告)号：WO2004051901A1

公开(公告)日：2004-06-17

申请号：PCT/KR2003/002590

申请日：2003-11-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： SUH, Chang-Ho ,  CHAE, Chan-Byoung ,  CHOI, Ho-Kyu ,  RO, Jung-Min ,  JOO, Pan-Yuh

IPC: H04J11/00

CPC classification number: H04L27/262 ,  H04L1/0618 ,  H04L27/2613

Abstract: A method for generating a preamble sequence for decreasing a peak-to-average power ratio (PAPR) through at least two antennas in an orthogonal frequency division multiplexing (OFDM) communication system. The method comprises generating a first preamble sequence in which odd data of the preamble sequence becomes null data and even data of the preamble sequence becomes data, the first preamble sequence being adapted to be transmitted via one of the two antennas; and generating a second preamble sequence in which even data of the preamble sequence becomes null data and odd data of the preamble sequence becomes data, the second preamble sequence being adapted to be transmitted via another one of the two antennas

Abstract translation: 一种用于在正交频分复用（OFDM）通信系统中生成用于通过至少两个天线降低峰均功率比（PAPR）的前同步码序列的方法。 该方法包括：产生第一前导码序列，其中前导码序列的奇数数据变为空数据，并且前同步码序列的偶数数据变为数据，第一前同步码序列适于经由两个天线之一发射; 以及生成其中所述前同步码序列的偶数数据变为空数据并且所述前同步码序列的奇数数据变为数据的第二前同步码序列，所述第二前同步码序列适于经由所述两个天线中的另一个发送

公开(公告)号：WO2006049443A1

公开(公告)日：2006-05-11

申请号：PCT/KR2005/003699

申请日：2005-11-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： YUN, Sung-Ryul ,  CHAE, Chan-Byoung ,  JEONG, Hong-Sil ,  ROH, Won-Il ,  OH, Jeong-Tae ,  KO, Kyun-Byoung ,  JUNG, Young-Ho ,  NAM, Seung-Hoon ,  CHUNG, Jae-Hak

IPC: H04L27/26

CPC classification number: H04B7/0669 ,  H04L1/0618

Abstract: An STFBC coding apparatus for a transmitter with four Tx antennas is provided. In the transmitter, an encoder generates a code symbol vector by encoding an input symbol sequence in a predetermined coding method. A grouping block permutes the elements of the code symbol vector by multiplying the code symbol vector by a permutation antenna grouping pattern selected among predetermined permutation antenna grouping patterns according to a predetermined order and outputs the permuted code symbol vector as a grouping symbol vector. An Alamouti encoder encodes the grouping symbol vector in an Alamouti scheme and transmits Alamouti-coded symbols through the four transmit antennas.

Abstract translation: 提供了一种用于具有四个Tx天线的发射机的STFBC编码装置。 在发送器中，编码器通过以预定编码方式对输入符号序列进行编码来生成代码符号向量。 分组块通过将代码符号向量乘以根据预定顺序在预定排列天线分组模式中选择的置换天线分组模式来排列代码符号向量的元素，并将该排列的代码符号向量作为分组符号向量输出。 Alamouti编码器对Alamouti方案中的分组符号向量进行编码，并通过四个发送天线发送Alamouti编码符号。

公开(公告)号：WO2005125043A1

公开(公告)日：2005-12-29

申请号：PCT/KR2005/001913

申请日：2005-06-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： JEONG, Hong-Sil ,  CHAE, Chan-Byoung ,  KIM, Jae-Yoel ,  PARK, Dong-Seek

IPC: H04B7/02

CPC classification number: H04L1/0069 ,  H04L1/0618

Abstract: A mobile communication system using an STBC scheme having an even number of Tx antennas is provided. In a transmitter having an even number of Tx antennas, a pre-coder pre- codes an input symbol sequence using a pre-coding matrix. The pre-coding matrix is a matrix produced by puncturing a unitary matrix. A space-time coder space-time-encodes the pre-coded symbol sequence received from the pre-coder using a coding matrix.

Abstract translation: 提供了使用具有偶数Tx天线的STBC方案的移动通信系统。 在具有偶数Tx天线的发射机中，预编码器使用预编码矩阵预编码输入符号序列。 预编码矩阵是通过穿孔单一矩阵产生的矩阵。 空时编码器使用编码矩阵对从预编码器接收的预编码符号序列进行时间编码。

公开(公告)号：WO2005036774A1

公开(公告)日：2005-04-21

申请号：PCT/KR2004/002596

申请日：2004-10-12

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  JEONG, Hong-Sil ,  KIM, Jae-Yoel ,  CHAE, Chan-Byoung

Inventor： JEONG, Hong-Sil ,  KIM, Jae-Yoel ,  CHAE, Chan-Byoung

IPC: H04B7/02

CPC classification number: H04L1/0057 ,  H04L1/0071 ,  H04L1/0656

Abstract: A mobile communication system and method for transmitting signals through a plurality of transmission antennas by space-time coding the signals. The signals are transmitted using a low density parity check code. A lifting low density parity check matrix is formed by expanding values of elements in a low density parity check matrix with a sub-matrix corresponding to a number of the transmission antennas. The signals to be transmitted are coded using the lifting low density parity check matrix. Thereafter, the coded signals are serial/parallel converted and transmitted through the transmission antennas.

Abstract translation: 一种用于通过对信号进行空时编码来通过多个发送天线发送信号的移动通信系统和方法。 使用低密度奇偶校验码传输信号。 通过使用与多个发送天线对应的子矩阵在低密度奇偶校验矩阵中扩展元素的值来形成提升低密度奇偶校验矩阵。 要发送的信号使用提升低密度奇偶校验矩阵进行编码。 此后，编码信号被串行/并行转换并通过发送天线发送。

公开(公告)号：WO2005008917A1

公开(公告)日：2005-01-27

申请号：PCT/KR2004/001776

申请日：2004-07-16

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  CHAE, Chan-Byoung ,  SUH, Chang-Ho ,  DANIEL, Katz Marcos ,  YOON, Seok-Hyun ,  KIM, Byoung-Yun

Inventor： CHAE, Chan-Byoung ,  SUH, Chang-Ho ,  DANIEL, Katz Marcos ,  YOON, Seok-Hyun ,  KIM, Byoung-Yun

IPC: H04B7/02

CPC classification number: H04B7/086 ,  H04B7/0854

Abstract: A mobile communication system receives a despread signal of a reception signal, and determines a first error value by using a first scheme at a timing point, and a second error value by using a second scheme different from the first scheme at the timing point, 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 despread reception signal, the third error value, and an output signal.

Abstract translation: 移动通信系统接收接收信号的去扩展信号，并且通过在定时点使用第一方案来确定第一误差值，并且在定时点使用不同于第一方案的第二方案来确定第二误差值，以及 根据第一误差值和第二误差值之间的差，确定第一方案应用权重，以及根据第一误差值和第二误差值之间的差异确定第二方案应用权重，并且使用 组合应用第一方案应用权重的第一方案和应用第二方案应用权重的第二方案，并且使用解扩接收信号，第三误差值和输出信号来确定接收波束权重 。