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    Signal reception apparatus in spectrum spread communication system
    3.
    发明公开
    Signal reception apparatus in spectrum spread communication system 失效
    频谱扩展通信系统中的信号接收装置

    公开(公告)号：EP0881780A3

    公开(公告)日：2003-09-17

    申请号：EP98103944.9

    申请日：1998-03-05

    申请人： NTT DoCoMo, Inc. ,  Yozan, Inc.

    发明人： Zhou, Changming ,  Shou, Guoliang ,  Suzuki, Kunihiko ,  Zhou, Xuping ,  Qin, Xiaoling ,  Chen, Jie ,  Sawahashi, Mamoru ,  Adachi, Fumiyuki

    IPC分类号： H04B1/707

    CPC分类号： H04B1/7113 ,  H04B1/7117 ,  H04B1/712 ,  H04B1/7183

    摘要： A signal reception apparatus in the spectrum spread communication system requires only a small amount of circuitry and consumes a small amount of electric power. A quadrature detector decomposes received signals into in-phase components and quadrature components, and supplies them to a complex-type matched filter. The complex-type matched filter de-spreads the in-phase components and the quadrature components and sends them to a multi-path selector. The multi-path selector selects, from among the received de-spread signals, multiple paths having high levels of signal electric powers and sends the received signals of the selected paths to multiple phase correction blocks. Analog operation circuits 31 through 34 calculate phase errors of the received signals of two successive pilot symbol blocks for each path. An analog operation circuit 40 corrects the phases of the received signals of the information symbol block that has been received between the two successive pilot symbol blocks. A RAKE combiner synchronously combines the phase-corrected de-spread received signals of each path.

    摘要翻译： 频谱扩展通信系统中的信号接收装置仅需要少量的电路并且消耗少量的电力。 正交检波器将接收信号分解成同相分量和正交分量，并将它们提供给复合型匹配滤波器。 复合型匹配滤波器对同相分量和正交分量进行解扩，并将它们发送到多路径选择器。 多路径选择器从接收到的解扩信号中选择具有高电平信号电功率的多个路径，并将所选路径的接收信号发送到多个相位校正块。 模拟操作电路31至34为每个路径计算两个连续导频符号块的接收信号的相位误差。 模拟操作电路40校正在两个连续导频符号块之间接收的信息符号块的接收信号的相位。 RAKE组合器同步组合每条路径的经相位校正的解扩接收信号。

    Reception apparatus for CDMA communication system
    5.
    发明授权
    Reception apparatus for CDMA communication system 失效
    用于CDMA通信系统的接收装置

    公开(公告)号：EP0886385B1

    公开(公告)日：2004-09-22

    申请号：EP98111256.8

    申请日：1998-06-18

    申请人： Yozan Inc. ,  NTT DoCoMo, Inc.

    发明人： Zhou, Changming ,  Zhou, Xuping ,  Sawahashi, Mamoru ,  Adachi, Fumiyuki

    IPC分类号： H04B1/707

    CPC分类号： H04B1/707 ,  H04B1/7115 ,  H04B2201/70701

    摘要： A signal reception apparatus for DS-CDMA communication system having a complex matched filter for despreading a received signal into I-and Q-components Di and Dq of despread signal. Di and Dq are input to a path selection portion 13 for extracting a phase error in a pilot symbol block of the despread signal. A phase compensation signal is calculated according to the phase error in the portion 13. An information symbol is compensated according to the phase compensation signal. An electrical power is calculated from an average of the phase compensation signal of several slots for selecting paths to be received. The selected paths are combined with phase synchronized by a rake combiner 14.

    TRANSMISSION APPARATUS AND TRANSMISSION METHOD
    6.
    发明公开
    TRANSMISSION APPARATUS AND TRANSMISSION METHOD 审中-公开
    ÜBERTRAGUNGSVORRICHTUNGUNDÜBERTRAGUNGSVERFAHREN

    公开(公告)号：EP3076573A2

    公开(公告)日：2016-10-05

    申请号：EP16158675.5

    申请日：2006-03-20

    申请人： NTT DOCOMO, INC.

    发明人： Kishiyama, Yoshihisa ,  Miki, Nobuhiko ,  Higuchi, Kenichi ,  Tanno, Motohiro ,  Atarashi, Hiroyuki ,  Sawahashi, Mamoru

    IPC分类号： H04J11/00 ,  H04B7/26 ,  H04L29/08 ,  H04L1/00 ,  H04L1/18 ,  H04L27/26 ,  H04L5/00 ,  H04W72/08

    CPC分类号： H04L27/2626 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0025 ,  H04L1/0026 ,  H04L1/0029 ,  H04L1/0072 ,  H04L1/1812 ,  H04L1/1896 ,  H04L5/0007 ,  H04L5/0044 ,  H04L5/0053 ,  H04W72/08

    摘要： A transmitter comprises: a division unit configured to divide a transmission data sequence into multiple sequences corresponding to multiple transmit antennas; an attachment unit configured to attach a CRC bit to each of the resulting sequences from the division unit; a channel coding unit configured to perform channel coding on each of the CRC bit attached sequences; a hybrid ARQ processing unit configured to perform a hybrid ARQ operation on each of the channel coded sequences; a mapping unit configured to map each of the resulting sequences from the hybrid ARQ processing unit into a frequency block; and a modulation unit configured to perform adaptive data modulation on each of the mapped sequences. A channel coding rate applied for the channel coding is controlled per transmission time interval, the hybrid ARQ operation is controlled per the transmission time interval, the frequency block is scheduled in a frequency domain, the scheduling being controlled per frequency block, and a modulation scheme applied for the adaptive data modulation is controlled per the transmission time interval.

    摘要翻译： 发射机包括：划分单元，被配置为将传输数据序列划分成对应于多个发射天线的多个序列; 附加单元，被配置为将CRC比特附加到来自所述分割单元的所得到的序列中的每一个; 信道编码单元，被配置为对每个所述CRC比特附加序列执行信道编码; 混合ARQ处理单元，被配置为对每个信道编码序列执行混合ARQ操作; 映射单元，被配置为将来自混合ARQ处理单元的结果序列中的每一个映射到频率块中; 以及调制单元，被配置为对每个映射的序列执行自适应数据调制。 每个传输时间间隔控制应用于信道编码的信道编码率，根据传输时间间隔控制混合ARQ操作，频域在频域中调度，每个频率块控制调度，调制方案 根据传输时间间隔控制适用于自适应数据调制。

    RADIO BASE STATION APPARATUS, MOBILE STATION APPARATUS AND RADIO COMMUNICATION METHOD
    8.
    发明公开
    RADIO BASE STATION APPARATUS, MOBILE STATION APPARATUS AND RADIO COMMUNICATION METHOD 审中-公开
    无线电基站装置，移动站装置和无线电通信方法

    公开(公告)号：EP2985933A2

    公开(公告)日：2016-02-17

    申请号：EP15174770.6

    申请日：2010-03-16

    申请人： NTT DOCOMO, INC.

    发明人： Kishiyama, Yoshihisa ,  Taoka, Hidekazu ,  Sawahashi, Mamoru

    IPC分类号： H04J99/00 ,  H04J1/00 ,  H04J11/00 ,  H04W16/28 ,  H04L1/00 ,  H04L5/00 ,  H04L25/02

    CPC分类号： H04L5/0048 ,  H04L1/0026 ,  H04L1/0031 ,  H04L5/0023 ,  H04L5/0053 ,  H04L25/0204 ,  H04L25/0228

    摘要： To provide a radio base station apparatus and radio communication method capable of performing radio communications using downlink reference signal structures suitable for antenna virtualization, a radio base station apparatus (200) has a plurality of transmission antennas, generates CRSs used in demodulation of at least downlink control information, CQI-RSs generated for each of the transmission antennas used in measurement of channel quality, and DM-RSs generated for each stream used in demodulation of downlink transmission data, and multiplexes the CRSs, CQI-RSs and DM-RSs into a same transmission time unit to transmit from each of the antennas.

    摘要翻译： 无线基站装置（200）具有多个发送天线，生成在至少下行链路的解调中使用的CRS的无线基站装置以及能够使用适合于天线虚拟化的下行参考信号结构进行无线通信的无线通信方法 控制信息，为在测量信道质量中使用的每个发送天线生成的CQI-RS，以及为在下行链路发送数据的解调中使用的每个流生成的DM-RS，并且将CRS，CQI-RS和DM-RS复用为 从每个天线发送相同的传输时间单元。