公开(公告)号：US20130070694A1

公开(公告)日：2013-03-21

申请号：US13526042

申请日：2012-06-18

申请人： Yuji Tohzaka ,  Hiroki Mori ,  Tsuguhide Aoki ,  Yasuhiko Tanabe

发明人： Yuji Tohzaka ,  Hiroki Mori ,  Tsuguhide Aoki ,  Yasuhiko Tanabe

IPC分类号： H04W72/08

CPC分类号： H04W72/08

摘要： According to one embodiment, an allocating unit of a wireless communication device finds for each user an unallocated radio channel having maximum communication quality as a first radio channel, and calculates a first metric matching a communication state using communication quality in the first radio channel, selects one user from the plurality of users based on the first metric and allocates the first radio channel to the selected user. Further, the allocating unit repeats allocating an unallocated radio channel adjacent to a radio channel allocated to the selected user on a frequency domain until predetermined conditions are satisfied.

摘要翻译： 根据一个实施例，无线通信设备的分配单元为每个用户找到具有最大通信质量的未分配无线电信道作为第一无线电信道，并且使用第一无线电信道中的通信质量来计算与通信状态匹配的第一度量，选择 基于所述第一度量从所述多个用户中选择一个用户，并将所述第一无线电信道分配给所选择的用户。 此外，分配单元重复在频域上分配与分配给所选用户的无线电信道相邻的未分配无线电信道，直到满足预定条件。

公开(公告)号：US08130868B2

公开(公告)日：2012-03-06

申请号：US12338858

申请日：2008-12-18

申请人： Tsuguhide Aoki ,  Hiroki Mori ,  Yasuhiko Tanabe

发明人： Tsuguhide Aoki ,  Hiroki Mori ,  Yasuhiko Tanabe

IPC分类号： H04L27/04

CPC分类号： H04B7/0615 ,  H04L5/0007 ,  H04L5/0044 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03426

摘要： A radio communication apparatus includes: generation units generating first to mth signals; a storage storing allocation information defining that beams of different quality levels are allocated to first to mth communication apparatuses for each of first to nth subcarriers so that frequencies of respective quality levels are substantially uniform over all the subcarriers among the apparatuses; determining units determining transmission weights by which the signals are multiplied so that the beams according to the allocation information are formed for the apparatuses for each of the subcarriers; generation units performing multiplication processing by using the signals and the weights for each of the subcarriers to generate first to hth weighted signals for each of the subcarriers; transform units performing inverse Fourier transform on the weighted signals for each of the subcarriers to generate first to hth transformed signals; and transmission processing units transmitting the transformed signals via first to hth antennas.

摘要翻译： 无线电通信装置包括：产生第一至第m信号的发生单元; 存储分配信息，其将不同质量级别的波束分配给第一至第m通信装置，用于第一至第N个子载波中的每一个，使得各个质量等级的频率在所述装置中的所有子载波上基本均匀; 确定单元确定信号被乘以的传输权重，使得针对每个子载波的装置形成根据分配信息的波束; 生成单元通过使用每个子载波的信号和权重来执行乘法处理，以生成每个子载波的第一至第h加权信号; 变换单元对每个子载波对加权信号执行逆傅里叶变换，以产生第一至第H个经变换的信号; 以及发送处理单元，经由第一至第H天线发送变换后的信号。

公开(公告)号：US08059726B2

公开(公告)日：2011-11-15

申请号：US12582336

申请日：2009-10-20

申请人： Tsuguhide Aoki ,  Daisuke Takeda ,  Takahiro Kobayashi ,  Yasuhiko Tanabe

发明人： Tsuguhide Aoki ,  Daisuke Takeda ,  Takahiro Kobayashi ,  Yasuhiko Tanabe

IPC分类号： H04L27/00

CPC分类号： H04L25/0226 ,  H03G3/3052 ,  H04B7/04 ,  H04W52/52 ,  H04W84/12

摘要： A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas.

摘要翻译： 一种用于经由多个天线在发射设备和无线接收设备之间的无线分组通信中使用的无线设备，方法和信号，其中信号发生器生成包括用于第一自动增益控制的短前同步码序列的无线分组 （AGC），第一长前导码序列，用于传送无线分组的长度的信号字段，用于在第一AGC之后执行的第二AGC的AGC前同步码序列，第二长前导序列和 数据字段传送数据。 AGC前同步码序列由多个天线并行发送。

公开(公告)号：US20090168915A1

公开(公告)日：2009-07-02

申请号：US12338858

申请日：2008-12-18

申请人： Tsuguhide Aoki ,  Hiroki Mori ,  Yasuhiko Tanabe

发明人： Tsuguhide Aoki ,  Hiroki Mori ,  Yasuhiko Tanabe

IPC分类号： H04B7/02

CPC分类号： H04B7/0615 ,  H04L5/0007 ,  H04L5/0044 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03426

摘要： A radio communication apparatus includes: generation units generating first to mth signals; a storage storing allocation information defining that beams of different quality levels are allocated to first to mth communication apparatuses for each of first to nth subcarriers so that frequencies of respective quality levels are substantially uniform over all the subcarriers among the apparatuses; determining units determining transmission weights by which the signals are multiplied so that the beams according to the allocation information are formed for the apparatuses for each of the subcarriers; generation units performing multiplication processing by using the signals and the weights for each of the subcarriers to generate first to hth weighted signals for each of the subcarriers; transform units performing inverse Fourier transform on the weighted signals for each of the subcarriers to generate first to hth transformed signals; and transmission processing units transmitting the transformed signals via first to hth antennas.

摘要翻译： 无线电通信装置包括：产生第一至第m信号的发生单元; 存储分配信息，其将不同质量级别的波束分配给第一至第m通信装置，用于第一至第N个子载波中的每一个，使得各个质量等级的频率在所述装置中的所有子载波上基本均匀; 确定单元确定信号被乘以的传输权重，使得针对每个子载波的装置形成根据分配信息的波束; 生成单元通过使用每个子载波的信号和权重来执行乘法处理，以生成每个子载波的第一至第h加权信号; 变换单元对每个子载波对加权信号执行逆傅里叶变换，以产生第一至第H个经变换的信号; 以及发送处理单元，经由第一至第H天线发送变换后的信号。

公开(公告)号：US07532681B2

公开(公告)日：2009-05-12

申请号：US11135298

申请日：2005-05-24

申请人： Daisuke Takeda ,  Yoshimasa Egashira ,  Tsuguhide Aoki ,  Yasuhiko Tanabe ,  Kohsuke Harada ,  Hironori Uchikawa

发明人： Daisuke Takeda ,  Yoshimasa Egashira ,  Tsuguhide Aoki ,  Yasuhiko Tanabe ,  Kohsuke Harada ,  Hironori Uchikawa

IPC分类号： H04L27/04

CPC分类号： H04B7/04 ,  H04L5/0023 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0226

摘要： Before data is transmitted from a plurality of antennas, a plurality of known symbol sequences are transmitted from these antennas. Each known symbol sequence contains a plurality of known symbols having different subcarrier arrangements. Known symbols transmitted from different antennas have different subcarrier arrangements.

摘要翻译： 在从多个天线发送数据之前，从这些天线发送多个已知符号序列。 每个已知符号序列包含具有不同副载波布置的多个已知符号。 从不同天线发送的已知符号具有不同的子载波布置。

公开(公告)号：US07519127B2

公开(公告)日：2009-04-14

申请号：US11187853

申请日：2005-07-25

申请人： Yasuhiko Tanabe ,  Daisuke Takeda ,  Tsuguhide Aoki ,  Kohsuke Harada

发明人： Yasuhiko Tanabe ,  Daisuke Takeda ,  Tsuguhide Aoki ,  Kohsuke Harada

IPC分类号： H04B7/02

CPC分类号： H04B7/04

摘要： A wireless transmission device which communicates with a wireless reception device is provided with a transmission-signal-generating unit configured to generate, transmission signals having transmission rates arranged in order corresponding to an input order of data items of the information sequence. The transmission device is also provided with a preamble adder which adds, to the transmission signals, respective preamble signals assigned in order of the transmission rates and used for estimation of channel responses at the wireless reception device. The transmission device is further provided with transmission units configured to transmit the transmission signals with the preamble signals added thereto.

摘要翻译： 与无线接收装置进行通信的无线发送装置具备：发送信号生成部，其生成具有与信息序列的数据项的输入顺序对应的顺序排列的发送速度的发送信号。 发送装置还设置有前导码加法器，该前导加法器将传输速率顺序分配的各个前导码信号与无线接收装置相加，用于估计无线接收装置的信道响应。 发送装置还设置有被配置为利用添加了前导码信号来发送发送信号的发送单元。

公开(公告)号：US20090028271A1

公开(公告)日：2009-01-29

申请号：US12239435

申请日：2008-09-26

申请人： Tsuguhide Aoki ,  Daisuke Takeda ,  Takahiro Kobayashi ,  Yasuhiko Tanabe

发明人： Tsuguhide Aoki ,  Daisuke Takeda ,  Takahiro Kobayashi ,  Yasuhiko Tanabe

IPC分类号： H04L27/00

CPC分类号： H04L25/0226 ,  H03G3/3052 ,  H04B7/04 ,  H04W52/52 ,  H04W84/12

摘要： A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence, a signal field used for conveying a length of the wireless packet, an AGC preamble sequence used for a second AGC to be performed after the first AGC, a second long-preamble sequence, and a data field conveying data. The AGC preamble sequence is transmitted in parallel by the plurality of antennas.

公开(公告)号：US08924813B2

公开(公告)日：2014-12-30

申请号：US13092603

申请日：2011-04-22

申请人： Tadashi Matsumoto ,  Tsuguhide Aoki ,  Yasuhiko Tanabe

发明人： Tadashi Matsumoto ,  Tsuguhide Aoki ,  Yasuhiko Tanabe

IPC分类号： H03M13/00 ,  H04L1/00 ,  H03M13/29 ,  H04B7/155

CPC分类号： H04L1/0045 ,  H03M13/2792 ,  H03M13/2957 ,  H04B7/155 ,  H04L1/005 ,  H04L2001/0097

摘要： In one embodiment, a wireless relay apparatus for replaying a signal processed by first encoding from a transmitting apparatus to a receiving apparatus is disclosed. The apparatus includes a demodulation unit, a decoding unit, a detection unit, an extraction unit, and an encoding unit. The demodulation unit demodulates a received signal. The decoding unit performs error correction decoding corresponding to the first encoding on the demodulated signal. The detection unit detects an error in a decoded signal. The extraction unit extracts a portion pertaining to information data from the demodulated signal by hard decision, if the detection unit detects an error. The encoding unit performs error correcting coding on the extracted portion pertaining to the information data with an error. The information data encoded by the encoding unit is transmitted.

摘要翻译： 在一个实施例中，公开了一种用于通过第一编码从发送装置向接收装置重放处理的信号的无线中继装置。 该装置包括解调单元，解码单元，检测单元，提取单元和编码单元。 解调单元对接收到的信号进行解调。 解码单元对解调信号执行对应于第一编码的纠错解码。 检测单元检测解码信号中的错误。 如果检测单元检测到错误，则提取单元通过硬判定从解调信号中提取属于信息数据的部分。 编码单元对具有错误的信息数据的提取部分进行纠错编码。 发送由编码单元编码的信息数据。

公开(公告)号：US20120155345A1

公开(公告)日：2012-06-21

申请号：US13335507

申请日：2011-12-22

申请人： Hiroki MORI ,  Tsuguhide Aoki ,  Yuji Tohzaka ,  Yasuhiko Tanabe

发明人： Hiroki MORI ,  Tsuguhide Aoki ,  Yuji Tohzaka ,  Yasuhiko Tanabe

IPC分类号： H04B7/04

CPC分类号： H04L1/0023 ,  H04L1/0003 ,  H04L1/0656 ,  H04L27/2067 ,  H04L27/362

摘要： In one embodiment, there is provided a communication device configured to add a first perturbation signal corresponding to an integer multiple of a first basic signal, to a first information signal having first information, which is to be transmitted to a plurality of destination terminals, and transmit a wireless signal having the first information to the plurality of destination terminals by a spatial multiplexing method. The device includes: a determination unit configured to set a magnitude of the first basic signal to N times of one side of a basic lattice, wherein the basic lattice is determined according to a modulation method of the first information signal, and N is real number of one or more; an adder configured to add the first perturbation signal to the first information signal to output a second information signal; and a multiplier configured to multiply the second information signal by a weight.

摘要翻译： 在一个实施例中，提供了一种通信设备，被配置为将对应于第一基本信号的整数倍的第一扰动信号添加到具有要发送到多个目的地终端的第一信息的第一信息信号，以及 通过空间复用方法向多个目的地终端发送具有第一信息的无线信号。 该装置包括：确定单元，被配置为将第一基本信号的大小设置为基本格子的一侧的N倍，其中基本格子根据第一信息信号的调制方法确定，N是实数 一个或多个; 加法器，配置为将第一扰动信号添加到第一信息信号以输出第二信息信号; 以及被配置为将所述第二信息信号乘以权重的乘法器。

公开(公告)号：US08175633B2

公开(公告)日：2012-05-08

申请号：US12472839

申请日：2009-05-27

申请人： Yasuhiko Tanabe ,  Tsuguhide Aoki

发明人： Yasuhiko Tanabe ,  Tsuguhide Aoki

IPC分类号： H04M1/00

CPC分类号： H04B7/0617 ,  H04B7/0426 ,  H04B7/0452 ,  H04L5/0007

摘要： A wireless communication apparatus includes a first storage unit configured to store each of a plurality of upper limit values of absolute values of additional signals that are set for a corresponding one of a plurality of first wireless communication apparatuses and are added when a plurality of modulation symbols to be transmitted to the first wireless communication apparatuses are precoded, a coding unit configured to decide each of a plurality of first values of the additional signals for a corresponding one of the first wireless communication apparatuses within ranges defined by the upper limit values, and precode the modulation symbols using the first values to obtain a plurality of transmission signals, and a first transmission unit configured to transmit, using multi-user MIMO (Multiple Input Multiple Output), the transmission signals to the first wireless communication apparatuses.

摘要翻译： 无线通信装置包括：第一存储单元，被配置为存储为多个第一无线通信设备中的相应一个设置的附加信号的绝对值的多个上限值中的每一个，并且当多个调制符号 被发送到第一无线通信装置的编码单元被配置为在由上限值限定的范围内确定第一无线通信装置中的相应一个的附加信号的多个第一值中的每一个，以及预编码 使用第一值的调制符号来获得多个发送信号;以及第一发送单元，被配置为使用多用户MIMO（多输入多输出）来发送到第一无线通信装置的发送信号。