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    • 2. 发明申请
    • COMMUNICATION APPARATUS AND COMMUNICATION METHOD
    • 通信设备和通信方法
    • US20130107983A1
    • 2013-05-02
    • US13561852
    • 2012-07-30
    • Nobuyoshi NISHIKAWA
    • Nobuyoshi NISHIKAWA
    • H04L27/28
    • H04L27/2621H04L5/0048
    • A modulator generates a modulation signal from an input signal by, and a serial-parallel converter generates a subcarrier modulation signal from the modulation signal. A shifter shifts a predetermined data series to generate a shift sequence. Two IFFT units perform an IFFT on data sent thereto to generate first data and second data. An operator generates baseband signals from at least one of the sum of the first data and the second data and the difference therebetween. The foregoing processing is repeated with a predetermined number of times to shift the predetermined data series being changed. A PAPR determiner sends the baseband signal matching with a predetermined reference for determining a transmission signal to a transmitter. The transmitter generates a transmission signal from the baseband signal, and transmits the transmission signal to another communication apparatus via an antenna.
    • 调制器通过输入信号产生调制信号,串行并行转换器从调制信号产生副载波调制信号。 移位器移动预定的数据序列以产生移位序列。 两个IFFT单元对发送给它的数据执行IFFT以产生第一数据和第二数据。 操作者从第一数据和第二数据的总和中的至少一个以及它们之间的差异产生基带信号。 以预定次数重复上述处理,以移动正在改变的预定数据序列。 PAPR确定器发送与用于确定发送信号的发送机的预定基准匹配的基带信号。 发射机从基带信号生成发送信号,经由天线将发送信号发送到另一通信装置。
    • 4. 发明申请
    • COMMUNICATION APPARATUS AND COMMUNICATION METHOD
    • 通信设备和通信方法
    • US20130195098A1
    • 2013-08-01
    • US13599641
    • 2012-08-30
    • Nobuyoshi NISHIKAWA
    • Nobuyoshi NISHIKAWA
    • H04B7/208
    • H04B7/208H04L27/2624
    • A modulator generates a modulation signal from an input signal. A serial-parallel converter generates a subcarrier modulation signal from the modulation signal. An IFFT unit performs an inverse fast Fourier transformation on the subcarrier modulation signal, generating first data. A decomposer decomposes the first data into real data and imaginary data. An operator performs a predetermined operation using a predetermined threshold value, a boundary value and the real data, generating positive data and negative data. Another operator performs a similar operation on the imaginary data. A generator adds the positive data and negative data based on the real data, and adds the positive data and negative data based on the imaginary data, generating real operation data and imaginary operation data. A synthesizer synthesizes both operation data to generate a baseband signal. A transmitter generates a transmission signal from the baseband signal, and transmits it to another apparatus via an antenna.
    • 调制器从输入信号产生调制信号。 串行并行转换器从调制信号产生副载波调制信号。 IFFT单元对子载波调制信号进行快速傅立叶逆变换,生成第一数据。 分解器将第一数据分解为实数据和虚数据。 操作员使用预定的阈值,边界值和实际数据执行预定的操作,产生正数据和负数据。 另一个操作者对虚数据进行类似的操作。 发电机根据实际数据添加正数据和负数据,并根据虚数据添加正数据和负数据,生成实际数据和虚拟运算数据。 合成器合成操作数据以产生基带信号。 发射机从基带信号产生发送信号,并通过天线将其发送到另一装置。
    • 5. 发明申请
    • COMMUNICATION APPARATUS AND COMMUNICATION METHOD
    • 通信设备和通信方法
    • US20130107982A1
    • 2013-05-02
    • US13531766
    • 2012-06-25
    • Nobuyoshi Nishikawa
    • Nobuyoshi Nishikawa
    • H04L27/06H04L27/04
    • H04L27/2615H04L27/263H04L27/2634
    • A modulator modulates an input signal by a predetermined modulation scheme to generate a modulation signal. A serial-parallel converter performs serial-parallel conversion of the modulation signal and assigns the modulation signal to subcarriers with frequency components orthogonal to each other, thereby generating a subcarrier modulation signal. A synthesizer generates a baseband signal from the subcarrier modulation signal based on a predetermined transformation matrix. The predetermined transformation matrix is a matrix which indicates inverse discrete Fourier transformation and is divided into a plurality of square matrices identical in the number of rows and the number of columns, and in which elements other than elements of a plurality of diagonally positioned square matrices are set to 0. A transmitter generates a transmission signal from the baseband signal, and transmits the transmission signal to another apparatus via an antenna.
    • 调制器通过预定的调制方式来调制输入信号以产生调制信号。 串行并行转换器执行调制信号的串行 - 并行转换,并将调制信号分配给具有彼此正交的频率分量的子载波,从而产生副载波调制信号。 合成器基于预定的变换矩阵从副载波调制信号生成基带信号。 预定的变换矩阵是表示逆离散傅里叶变换的矩阵,被划分为行数和列数相同的多个方矩阵,并且除多个对角线方阵的元素之外的元素是 发射机从基带信号生成发射信号,并通过天线将发送信号发送到另一装置。
    • 6. 发明授权
    • Communication apparatus and communication method
    • 通信设备和通信方法
    • US09083431B2
    • 2015-07-14
    • US13599641
    • 2012-08-30
    • Nobuyoshi Nishikawa
    • Nobuyoshi Nishikawa
    • H04B7/208H04L27/26H04L5/00H04B1/04H04B7/06
    • H04B7/208H04L27/2624
    • A modulator generates a modulation signal from an input signal. A serial-parallel converter generates a subcarrier modulation signal from the modulation signal. An IFFT unit performs an inverse fast Fourier transformation on the subcarrier modulation signal, generating first data. A decomposer decomposes the first data into real data and imaginary data. An operator performs a predetermined operation using a predetermined threshold value, a boundary value and the real data, generating positive data and negative data. Another operator performs a similar operation on the imaginary data. A generator adds the positive data and negative data based on the real data, and adds the positive data and negative data based on the imaginary data, generating real operation data and imaginary operation data. A synthesizer synthesizes both operation data to generate a baseband signal. A transmitter generates a transmission signal from the baseband signal, and transmits it to another apparatus via an antenna.
    • 调制器从输入信号产生调制信号。 串行并行转换器从调制信号产生副载波调制信号。 IFFT单元对子载波调制信号进行快速傅立叶逆变换,生成第一数据。 分解器将第一数据分解为实数据和虚数据。 操作员使用预定的阈值,边界值和实际数据执行预定的操作,产生正数据和负数据。 另一个操作者对虚数据进行类似的操作。 发电机根据实际数据添加正数据和负数据,并根据虚数据添加正数据和负数据,生成实际数据和虚拟运算数据。 合成器合成操作数据以产生基带信号。 发射机从基带信号产生发送信号,并通过天线将其发送到另一装置。
    • 7. 发明授权
    • Communication apparatus and communication method
    • 通信设备和通信方法
    • US09479376B2
    • 2016-10-25
    • US13561852
    • 2012-07-30
    • Nobuyoshi Nishikawa
    • Nobuyoshi Nishikawa
    • H04K1/10H04J11/00H04L27/26H04L5/00
    • H04L27/2621H04L5/0048
    • A modulator generates a modulation signal from an input signal by, and a serial-parallel converter generates a subcarrier modulation signal from the modulation signal. A shifter shifts a predetermined data series to generate a shift sequence. Two IFFT units perform an IFFT on data sent thereto to generate first data and second data. An operator generates baseband signals from at least one of the sum of the first data and the second data and the difference therebetween. The foregoing processing is repeated with a predetermined number of times to shift the predetermined data series being changed. A PAPR determiner sends the baseband signal matching with a predetermined reference for determining a transmission signal to a transmitter. The transmitter generates a transmission signal from the baseband signal, and transmits the transmission signal to another communication apparatus via an antenna.
    • 调制器通过输入信号产生调制信号,串行并行转换器从调制信号产生副载波调制信号。 移位器移动预定的数据序列以产生移位序列。 两个IFFT单元对发送给它的数据执行IFFT以产生第一数据和第二数据。 操作者从第一数据和第二数据的总和中的至少一个以及它们之间的差异产生基带信号。 以预定次数重复上述处理,以移动正在改变的预定数据序列。 PAPR确定器发送与用于确定发送信号的发送机的预定基准匹配的基带信号。 发射机从基带信号生成发送信号,经由天线将发送信号发送到另一通信装置。
    • 8. 发明申请
    • PREAMBLE GENERATING APPARATUS, PREAMBLE GENERATING METHOD, AND COMPUTER READABLE RECORDING MEDIUM STORING PROGRAM
    • 前置发生装置,前置发生方法和计算机可读记录媒体存储程序
    • US20120147997A1
    • 2012-06-14
    • US13191909
    • 2011-07-27
    • Nobuyoshi Nishikawa
    • Nobuyoshi Nishikawa
    • H04L27/06
    • H04L27/2613H04L27/262H04L27/2692
    • A preamble generating apparatus used for synchronization of a reception apparatus in an orthogonal frequency division multiplexing system and generating a preamble to be added to a beginning of data at a time of communication, receives preamble length identifying information and position specifying information, and generates a plurality of elements constituting a preamble according to a predetermined sequence based on those information. The preamble generating apparatus creates a preamble model, and generates a plurality of preambles by setting the generated elements at positions of elements in element deciding information included in the preamble model, the positions indicating elements in the preamble model which are to be used in data communication. The preamble generating apparatus calculates PAPRs respectively corresponding to the plurality of preambles, and compares the PAPRs of the preambles with one another to decide the preamble corresponding to a minimum PAPR as a preamble to be used in communication.
    • 用于正交频分复用系统中的接收装置的同步并在通信时产生要添加到数据的开头的前导码的前同步码产生装置接收前导码长度识别信息和位置指定信息,并产生多个 基于这些信息根据预定的顺序构成前导码的元素。 前导码生成装置创建前导码模型,并且通过将生成的元素设置在前导码模型中包含的元素决定信息中的元素的位置,生成多个前同步码,表示要在数据通信中使用的前导码模型中的元素的位置 。 前导码生成装置计算分别对应于多个前导码的PAPR,并将前导码的PAPR彼此进行比较,以将与最小PAPR对应的前导码作为通信中使用的前导码。
    • 9. 发明授权
    • Extruding mechanism for film packs
    • 薄膜包装挤出机构
    • US06234348B1
    • 2001-05-22
    • US09341671
    • 1999-07-19
    • Naomi OkamuraKenji MatsuoHironobu OmuraNobuyoshi NishikawaAkio Nimura
    • Naomi OkamuraKenji MatsuoHironobu OmuraNobuyoshi NishikawaAkio Nimura
    • G01F1100
    • B05C17/01B05C17/00506B05C17/00583
    • An extruding mechanism for a tubular bag and a method of extruding the contents of a tubular bag are provided, by which a sealing material or the like is extruded and discharged from a tubular bag with an extruding gun for a cartridge container, and which reduces the amount of discarded waste, thereby serving as one solution to environmental problems. The extruding mechanism includes an extruding gun having a holding base, and a stationary holding plate disposed on a front end portion of the holding base. The holding plate is provided with a notched portion opened upward. An extruding rod is equipped at its leading end with a pressing plate. A cylindrical member having a cylinder body is set on the holding base and accommodates the tubular bag and is opened at both ends, and a piston body is inserted into the cylinder body. A head adapter includes a base plate and has an outer surface side located on an inner surface of the stationary holding plate, an inner surface side thereof with which the opening end portions of the cylinder body are brought into contact, and an opening portion. A nozzle body has a discharge hole at its leading end, the nozzle body being attached to the opening portion of the head adapter.
    • 提供了一种用于管状袋的挤出机构和挤出管状袋的内容物的方法,通过该挤压机构将密封材料等从管状袋中挤出并用筒式容器的挤出枪排出, 废弃废物的数量,从而成为环境问题的一个解决方案。 挤出机构包括具有保持基座的挤压枪和设置在保持基座的前端部上的固定保持板。 保持板设置有向上开口的切口部。 挤压杆在其前端装有压板。 具有圆柱体的圆柱形构件设置在保持基座上并容纳管状袋,并且在两端开口,并且活塞体插入到缸体中。 头适配器包括基板,并且具有位于固定保持板的内表面上的外表面侧,与缸体的开口端部接触的内表面侧和开口部。 喷嘴体在其前端具有排出孔,喷嘴体附接到头适配器的开口部分。
    • 10. 发明授权
    • Communication apparatus and communication method
    • 通信设备和通信方法
    • US09083591B2
    • 2015-07-14
    • US13599649
    • 2012-08-30
    • Nobuyoshi Nishikawa
    • Nobuyoshi Nishikawa
    • H04L27/28H04L27/26
    • H04L27/2615H04L27/2626H04L27/2647
    • A modulator generates a modulation signal from an input signal. A serial-parallel converter generates a subcarrier modulation signal from the modulation signal. An inserter inserts a transmission-side data series, generated by multiplying a data series having an autocorrelation property by a predetermined series amplitude coefficient, in a signal for synthesis, generated by multiplying the subcarrier modulation signal by a predetermined signal amplitude coefficient, in such a way that elements in the signal for synthesis and elements in the transmission-side data series are alternately positioned, thereby generating first data. An IFFT unit performs an inverse fast Fourier transformation on the first data. A separator generates a baseband signal based on first half data of an operation result from the IFFT unit. A transmitter generates a transmission signal from the baseband signal, and transmits it to another apparatus via an antenna.
    • 调制器从输入信号产生调制信号。 串行并行转换器从调制信号产生副载波调制信号。 插入器将通过将具有自相关特性的数据序列乘以预定的串联振幅系数而生成的发送侧数据序列插入到通过将子载波调制信号乘以预定的信号幅度系数而生成的合成信号中 合成信号中的元素和发送侧数据序列中的元素交替定位的方式,从而产生第一数据。 IFFT单元对第一数据进行快速傅里叶逆变换。 分离器基于来自IFFT单元的运算结果的前半部分数据生成基带信号。 发射机从基带信号产生发送信号,并通过天线将其发送到另一装置。