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    • 3. 发明专利
    • Apparatus and methods for mapping modulation symbols to resources in ofdm systems
    • 用于映射OFDM系统资源调制符号的装置和方法
    • JP2013176069A
    • 2013-09-05
    • JP2013058088
    • 2013-03-21
    • Samsung Electronics Co Ltdサムスン エレクトロニクス カンパニー リミテッド
    • KHAN FAROOQPI ZHOUYUE
    • H04J11/00H04J1/00H04W72/04
    • H04L5/0026H04L5/0007H04L5/0044H04L5/0046H04L5/0094H04L27/2602
    • PROBLEM TO BE SOLVED: To provide an apparatus and methods for mapping modulation symbols to resources in OFDM systems.SOLUTION: A transmission method includes the steps of: dividing a transmission resource in a time domain subframe into a plurality of equal duration resource elements in a time and frequency domain; segregating the plurality of resource elements into a plurality of resource regions; modulating information to be transmitted to generate a sequence of modulation symbols at a transmitter; mapping the sequence of modulation symbols into the plurality of resource elements in the plurality of resource regions; and transmitting the modulation symbols via a plurality of antennas using the respective corresponding resource elements to a receiver. The information to be transmitted may be encoded to generate a plurality of code blocks, with roughly equal number of resource elements assigned to each of the plurality of code blocks in at least one resource region.
    • 要解决的问题:提供一种用于将调制符号映射到OFDM系统中的资源的装置和方法。解决方案:传输方法包括以下步骤:将时域子帧中的传输资源划分为多个等长的资源元素 时域和频域; 将所述多个资源元素分离为多个资源区域; 调制要发送的信息以在发射机处生成调制符号序列; 将所述调制符号序列映射到所述多个资源区域中的所述多个资源元素; 以及经由多个天线使用各自对应的资源元件将调制符号发送到接收机。 要发送的信息可以被编码以产生多个代码块,其中分配给至少一个资源区域中的多个代码块中的每一个的大致相同数量的资源元素。
    • 7. 发明专利
    • Transmit diversity in wireless communications system
    • 无线通信系统中的传输多样性
    • JP2013017194A
    • 2013-01-24
    • JP2012180457
    • 2012-08-16
    • Samsung Electronics Co Ltdサムスン エレクトロニクス カンパニー リミテッド
    • KHAN FAROOQTSAI JIANN-ANZHANG JIANZHONG
    • H04B7/06H04B7/02H04J11/00H04J13/22H04J99/00
    • H04L1/1607H04L1/0606H04L1/0662H04L25/03866
    • PROBLEM TO BE SOLVED: To provide an improved method and transmitter circuit for transmitting data via multiple antennas.SOLUTION: The method of the invention comprises: modulating data to be transmitted into a plurality of modulated symbols; encoding each pair of modulated symbols from among the plurality of symbols in accordance with a transmission diversity scheme to result in a plurality of N by N matrices, with each N by N matrix corresponding to each pair of modulated symbols; generating a M by M code matrix comprised of the plurality of N by N matrices; orthogonally spreading the M by M code matrix to generate an output matrix; generating a plurality of row-permuted matrices by exchanging at least one pair of rows in the output matrix; and transmitting the symbols in the plurality of row-permuted matrices via a plurality of antennas by using a scheme such as a space time transmission diversity scheme.
    • 要解决的问题:提供一种用于经由多个天线发送数据的改进的方法和发射机电路。 解决方案:本发明的方法包括:将要发送的数据调制成多个调制符号; 根据传输分集方案从多个符号中的每一对调制符号编码以产生多个N乘N个矩阵,每个N乘N个矩阵对应于每对调制符号; 由多个N乘以N个矩阵生成由M个码矩阵组成的M码; 通过M代码矩阵正交地扩展M以产生输出矩阵; 通过在输出矩阵中交换至少一对行来产生多个行排列矩阵; 以及通过使用诸如空时传输分集方案的方案,经由多个天线发送多个行排列矩阵中的符号。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Method and device of transmitting control information in wireless communication system
    • 在无线通信系统中发送控制信息的方法和装置
    • JP2014180022A
    • 2014-09-25
    • JP2014096639
    • 2014-05-08
    • Samsung Electronics Co Ltdサムスン エレクトロニクス カンパニー リミテッド
    • KHAN FAROOQPI ZHOUYUE
    • H04W72/04H04J11/00H04J13/22H04W16/28
    • H04L25/03343H04L2025/03414H04L2025/03426H04L2025/03802
    • PROBLEM TO BE SOLVED: To provide a method for receiving control information.SOLUTION: The method includes the following steps of: receiving a reference signal from a base station, by the UE; identifying respective numbers of bits of a plurality of pieces of control information on the basis of a type of a control message transmitted to the base station by the UE; generating the plurality of pieces of control information on the basis of the received reference signal and the respective numbers of bits of the plurality of pieces of control information; encoding the plurality of pieces of control information in cooperation by using a block code; modulating the encoded control information by using a modulation system to generate a plurality of modulated symbols; applying a constant amplitude zero auto-correlation (CAZAC) sequence to the modulated symbol to generate a plurality of CAZAC-modulated sequences; and transmitting the plurality of CAZAC-modulated sequences by using a plurality of sub carriers.
    • 要解决的问题:提供一种接收控制信息的方法。解决方案:该方法包括以下步骤:由UE从基站接收参考信号; 基于由UE发送到基站的控制消息的类型,识别多个控制信息的相应位数; 基于所接收的参考信号和所述多条控制信息的相应位数来生成所述多条控制信息; 通过使用块代码来合作地对多条控制信息进行编码; 通过使用调制系统来调制编码的控制信息以产生多个调制符号; 对调制符号应用恒幅零自相关(CAZAC)序列以产生多个CAZAC调制序列; 以及通过使用多个子载波来发送所述多个CAZAC调制序列。