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1.发明授权OFDM reception device, OFDM reception circuit, OFDM reception method, and OFDM reception program 有权OFDM接收装置，OFDM接收电路，OFDM接收方法和OFDM接收程序公开(公告)号：US09065713B2
公开(公告)日：2015-06-23
申请号：US13519203
申请日：2011-10-03
申请人： Yoshinobu Matsumura
发明人： Yoshinobu Matsumura
CPC分类号： H04L27/2607 , H04L27/2613 , H04L27/2657 , H04L27/2675
摘要： An OFDM reception device including: a first orthogonal transformation unit that orthogonally transforms a signal for a useful symbol duration included in an OFDM signal and outputs a resulting orthogonally transformed signal; a second orthogonal transformation unit that orthogonally transforms a signal for a guard interval duration included in the OFDM signal and outputs a resulting orthogonally transformed signal; a detection unit that detects a wide band carrier frequency error amount according to the signal output from the first orthogonal transformation unit and the signal output from the second orthogonal transformation unit; and a correction unit that corrects a wide band carrier frequency shift of the OFDM symbol according to the wide band carrier frequency error amount detected by the detection unit.
摘要翻译： 一种OFDM接收装置，包括：第一正交变换单元，对包含在OFDM信号中的有用符号持续时间的信号进行正交变换，并输出得到的正交变换信号; 第二正交变换单元，对包含在OFDM信号中的保护间隔持续时间的信号进行正交变换，并输出得到的正交变换信号; 检测单元，根据从第一正交变换单元输出的信号和从第二正交变换单元输出的信号，检测宽带载波频率误差量; 以及校正单元，其根据由检测单元检测到的宽带载波频率误差量校正OFDM符号的宽带载波频移。
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公开(公告)号：US08603928B2
公开(公告)日：2013-12-10
申请号：US12744171
申请日：2008-12-26
申请人： Kunihiko Tani , Tatsuya Suetsugu , Naoko Kaga , Maki Tanigawa , Takeshi Morihara , Yoshinobu Matsumura , Kiyoshi Shinohara , Toshihiko Einishi , Kohei Kadono
发明人： Kunihiko Tani , Tatsuya Suetsugu , Naoko Kaga , Maki Tanigawa , Takeshi Morihara , Yoshinobu Matsumura , Kiyoshi Shinohara , Toshihiko Einishi , Kohei Kadono
IPC分类号： C03C3/32
摘要： The purpose of the present invention is to use chalcogenide glass to produce an infrared transmitting glass that is more suitable for mold-forming than the conventional glasses. Specifically, the invention provides an infrared transmitting glass for mold forming which contains, in molar concentrations, 2-22% of Ge, 6-34% of at least one element selected from the group consisting of Sb and Bi, 1-20% of at least one element selected from the group consisting of Sn and Zn and 58-70% of at least one element chosen from the group comprising S, Se and Te.
摘要翻译： 本发明的目的是使用硫族化物玻璃来生产比常规玻璃更适合于成型的红外透射玻璃。 具体地说，本发明提供一种用于成型的红外透射玻璃，其摩尔浓度为2-22％的Ge，6-34％的至少一种选自Sb和Bi的元素，1-20％的 选自Sn和Zn中的至少一种元素和选自S，Se和Te的至少一种元素的58-70％。
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公开(公告)号：US20130114659A1
公开(公告)日：2013-05-09
申请号：US13809921
申请日：2012-05-17
IPC分类号： H04L12/26
CPC分类号： H04L43/0823 , H04J11/0036 , H04L1/0047 , H04L5/005 , H04L25/022 , H04L25/0232 , H04L27/2662 , H04L27/2691 , H04L2025/03414 , H04N17/004
摘要： A receiver includes a demodulator that demodulates a modulation wave modulated according to orthogonal frequency division multiplexing (OFDM). The demodulator includes an interference wave detector that detects that received modulation wave includes interference wave when received power of each sample of the received modulation wave exceeds a threshold, and upon the detection, executes replacement processing of replacing a received signal exceeding the threshold with a predetermined value, a first interference wave power estimation unit configured to estimate interference wave power included in an OFDM symbol included in the received modulation wave on the basis of the number of samples that have been subjected to the replacement processing, and a demodulated data generator that demodulates the received modulation wave by executing demodulation processing of demodulating the received modulation wave that has been subjected to the replacement processing on the basis of the interference wave power.
摘要翻译： 接收机包括解调器，其解调根据正交频分复用（OFDM）调制的调制波。 解调器包括干扰波检测器，当所接收的调制波的每个采样的接收功率超过阈值时，检测接收到的调制波包括干扰波，并且在检测时，执行以超过阈值替换超过阈值的接收信号的替换处理 第一干涉波功率估计单元，被配置为基于已经经过替换处理的采样数来估计包含在接收的调制波中的OFDM符号中的干扰波功率;以及解调数据发生器， 通过执行基于干扰波功率解调接收到的经过替换处理的调制波的解调处理来接收调制波。
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公开(公告)号：US08731037B2
公开(公告)日：2014-05-20
申请号：US13809921
申请日：2012-05-17
CPC分类号： H04L43/0823 , H04J11/0036 , H04L1/0047 , H04L5/005 , H04L25/022 , H04L25/0232 , H04L27/2662 , H04L27/2691 , H04L2025/03414 , H04N17/004
摘要： A receiver includes a demodulator that demodulates a modulation wave modulated according to orthogonal frequency division multiplexing (OFDM). The demodulator includes an interference wave detector that detects that received modulation wave includes interference wave when received power of each sample of the received modulation wave exceeds a threshold, and upon the detection, executes replacement processing of replacing a received signal exceeding the threshold with a predetermined value, a first interference wave power estimation unit configured to estimate interference wave power included in an OFDM symbol included in the received modulation wave on the basis of the number of samples that have been subjected to the replacement processing, and a demodulated data generator that demodulates the received modulation wave by executing demodulation processing of demodulating the received modulation wave that has been subjected to the replacement processing on the basis of the interference wave power.
摘要翻译： 接收机包括解调器，其解调根据正交频分复用（OFDM）调制的调制波。 解调器包括干扰波检测器，当所接收的调制波的每个采样的接收功率超过阈值时，检测接收到的调制波包括干扰波，并且在检测时，执行以超过阈值替换超过阈值的接收信号的替换处理 第一干涉波功率估计单元，被配置为基于已经经过替换处理的采样数来估计包含在接收的调制波中的OFDM符号中的干扰波功率;以及解调数据发生器， 通过执行基于干扰波功率解调接收到的经过替换处理的调制波的解调处理来接收调制波。
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5.发明授权公开(公告)号：US08605835B2
公开(公告)日：2013-12-10
申请号：US13060534
申请日：2010-06-23
申请人： Yoshinobu Matsumura
发明人： Yoshinobu Matsumura
CPC分类号： H04L27/2659 , H04L27/2666 , H04L27/2672 , H04L27/2675 , H04L27/2676
摘要： A wideband carrier frequency error calculator that, for each of a plurality of location patterns, calculates a cumulative value through a predetermined process performed on signals output by an orthogonal transformer for a plurality of sub-carrier positions determined according to a given location pattern while simultaneously shifting the signals output therefrom by one sub-carrier unit along the carrier direction and that also calculates wideband carrier frequency error according to carrier direction discrepancies calculated as maximum values within the cumulative value, and a carrier frequency error corrector that applies corrections to carrier frequency discrepancies according to the wideband carrier frequency error so calculated.
摘要翻译： 一种宽带载波频率误差计算器，对于多个位置模式中的每一个，通过对由正交变换器输出的信号执行的预定处理来计算累积值，所述信号对于根据给定位置模式确定的多个副载波位置同时 沿着载波方向将由一个子载波单元输出的信号移位，并且还根据作为累积值内的最大值计算的载波方向差异来计算宽带载波频率误差，以及对载波频率差异进行校正的载波频率误差校正器 根据宽带载波频率误差如此计算。
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6.发明申请OFDM RECEPTION DEVICE, OFDM RECEPTION CIRCUIT, OFDM RECEPTION METHOD, AND OFDM RECEPTION PROGRAM 有权OFDM接收设备，OFDM接收电路，OFDM接收方法和OFDM接收程序公开(公告)号：US20120207250A1
公开(公告)日：2012-08-16
申请号：US13503749
申请日：2011-09-15
申请人： Yoshinobu Matsumura
发明人： Yoshinobu Matsumura
IPC分类号： H04L27/28
CPC分类号： H04L27/2607 , H04L27/265
摘要： An OFDM reception device receives an OFDM symbol that includes a signal for a useful symbol duration generated based on transmission information and a signal for a guard interval duration generated based on the signal for the useful symbol duration. The OFDM reception device includes a first orthogonal transformation unit configured to perform an orthogonal transformation on the signal for the useful symbol duration, a second orthogonal transformation unit configured to perform an orthogonal transformation on the signal for the guard interval duration, and a decoding unit configured to decode the OFDM symbol in accordance with results of the orthogonal transformation by the first orthogonal transformation unit and results of the orthogonal transformation by the second orthogonal transformation unit.
摘要翻译： OFDM接收设备接收包括用于基于传输信息生成的有用符号持续时间的信号的OFDM符号，以及基于有用符号持续时间的信号产生的用于保护间隔持续时间的信号。 OFDM接收装置包括：第一正交变换单元，被配置为对有用符号持续时间的信号执行正交变换;第二正交变换单元，被配置为对保护间隔持续时间的信号执行正交变换;以及解码单元， 根据第一正交变换单元的正交变换结果和第二正交变换单位的正交变换结果对OFDM符号进行解码。
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7.发明申请OFDM TRANSMITTER DEVICE, OFDM TRANSMISSION METHOD, OFDM RECEIVER DEVICE, AND OFDM RECEPTION METHOD 有权OFDM发射机设备，OFDM传输方法，OFDM接收机设备和OFDM接收方法公开(公告)号：US20110317682A1
公开(公告)日：2011-12-29
申请号：US13254954
申请日：2010-12-13
IPC分类号： H04L27/04
CPC分类号： H04L27/2647 , H04L5/0048 , H04L27/2607 , H04L27/2613 , H04L27/2649 , H04L27/2662 , H04L27/2675 , H04L27/2698
摘要： An OFDM transmitter and an OFDM receiver respectively transmit and receive N (N≧2, N is an integer) control symbols. For each control symbol, a guard interval time-domain signal is, for example, identical to a signal obtained by frequency-shifting at least a portion of a useful symbol time-domain signal by an amount different from any other symbol, or to a signal obtained by frequency-shifting one or both of a portion and a span of a useful symbol interval time-domain signal different from any other symbol by a predetermined amount.
摘要翻译： OFDM发射机和OFDM接收机分别发送和接收N（N≥2，N是整数）控制符号。 对于每个控制符号，保护间隔时域信号例如与通过将有用符号时域信号的至少一部分频移到不同于任何其它符号的量而获得的信号相同，或者与 通过将与任何其他符号不同的有用符号间隔时域信号的一部分和跨度中的一个或两个频移位预定量而获得的信号。
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公开(公告)号：US20100285946A1
公开(公告)日：2010-11-11
申请号：US12744171
申请日：2008-12-26
申请人： Kunihiko Tani , Tatsuya Suetsugu , Naoko Kaga , Maki Tanigawa , Takeshi Morihara , Yoshinobu Matsumura , Kiyoshi Shinohara , Toshihiko Einishi , Kohei Kadono
发明人： Kunihiko Tani , Tatsuya Suetsugu , Naoko Kaga , Maki Tanigawa , Takeshi Morihara , Yoshinobu Matsumura , Kiyoshi Shinohara , Toshihiko Einishi , Kohei Kadono
IPC分类号： C03C3/32
摘要： The purpose of the present invention is to use chalcogenide glass to produce an infrared transmitting glass that is more suitable for mold-forming than the conventional glasses. Specifically, the invention provides an infrared transmitting glass for mold forming which contains, in molar concentrations, 2-22% of Ge, 6-34% of at least one element selected from the group consisting of Sb and Bi, 1-20% of at least one element selected from the group consisting of Sn and Zn and 58-70% of at least one element chosen from the group comprising S, Se and Te.
摘要翻译： 本发明的目的是使用硫族化物玻璃来生产比常规玻璃更适合于成型的红外透射玻璃。 具体地说，本发明提供一种用于成型的红外透射玻璃，其摩尔浓度为2-22％的Ge，6-34％的至少一种选自Sb和Bi的元素，1-20％的 选自Sn和Zn中的至少一种元素和选自S，Se和Te的至少一种元素的58-70％。
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公开(公告)号：US20050265439A1
公开(公告)日：2005-12-01
申请号：US11130604
申请日：2005-05-17
CPC分类号： H04L25/03038 , H04L25/03057 , H04L2025/03382 , H04L2025/03477 , H04L2025/0349 , H04L2025/03617 , H04L2025/03687
摘要： A waveform equalizer includes a filter unit, an error estimation unit, a tap coefficient storage unit, and an update amount calculation unit which includes an intermediate calculation unit and an update amount setting unit. Coefficient update amount ΔCi(n) for an ith tap is calculated according to an equation ΔCi(n)=αi(n)×μ×e(n)×x*(n−i) with the multiplication by αi(n) being performed by the update amount setting unit. Here, 0
摘要翻译： 波形均衡器包括滤波器单元，误差估计单元，抽头系数存储单元和包括中间计算单元和更新量设置单元的更新量计算单元。 根据公式<？in-line-formula description =“In-Line Formulas”end =“lead”？> DeltaC
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10.发明授权公开(公告)号：US07991089B2
公开(公告)日：2011-08-02
申请号：US12090735
申请日：2006-10-20
IPC分类号： H04B7/10
CPC分类号： H04L25/03159 , H04L25/022 , H04L25/0222 , H04L25/0232 , H04L25/03821 , H04L27/2649 , H04L2025/03414
摘要： An inter-carrier interface removal device can improve estimation accuracy of inter-carrier interference caused by Doppler shift in a received multi-carrier signal moving at a high speed, and a reception characteristic of the multi-carrier signal after removing the inter-carrier interference. The inter-carrier interference removal device includes a channel estimation unit estimating a channel frequency characteristic according to a carrier signal, an equalization unit equalizing the carrier signal with the channel frequency characteristic and outputs tentative carrier data, a reliability value calculation unit calculating a reliability value according to the channel frequency characteristic, a weighting unit weighting the tentative carrier data with the reliability value, an ICI component estimation unit estimating an ICI component according to the weighted tentative carrier data and the estimated channel frequency characteristic, and an ICI removal calculation unit removing the ICI component from the carrier signal.
摘要翻译： 载波间接口去除装置可以提高在高速移动的接收多载波信号中由多普勒频移引起的载波间干扰的估计精度，以及去除载波间干扰后的多载波信号的接收特性 。 载波间干扰去除装置包括：信道估计单元，根据载波信号估计信道频率特性;均衡单元，使载波信号与信道频率特性相等，并输出暂定载波数据;可靠性值计算单元，计算可靠性值 根据信道频率特性，对具有可靠性值的暂定载波数据加权的加权单元，ICI分量估计单元，根据加权的假载波数据和估计的信道频率特性来估计ICI分量，以及ICI去除计算单元去除 ICI组件从载波信号。
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