专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5809084A Data receiving in a digital mobile communication 失效
标题翻译：数字移动通信中的数据接收系统
公开(公告)号：US5809084A
公开(公告)日：1998-09-15
申请号：US691046
申请日：1996-08-01
申请人： Kazuo Shida , Mitsuru Uesugi
发明人： Kazuo Shida , Mitsuru Uesugi
IPC分类号： H03H21/00 , H04B7/01 , H04L27/22 , H04L27/227 , H03K9/00 , H03D3/22 , H04B3/36 , H04B7/216
CPC分类号： H04L27/2271
摘要： A data receiving system has a radio frequency unit for demodulating a series of signals transmitted at a carrier wave frequency, a local oscillating unit for generating a demodulating frequency used for the demodulation of the series of signals, an equalizing unit for removing a distortion of the series of signals demodulated in the radio frequency unit, a phase shift estimating unit for taking out phase information from the series of signals, calculating a time changing rate of the phase information and estimating a phase shift caused by a difference between the carrier wave frequency and the demodulating frequency according to the time changing rate, and a correcting unit for correcting the series of signals transmitted from the equalizing unit according to the phase shift to remove the phase shift from the series of signals. Accordingly, because the phase shift is estimated by using the phase information placed in the series of signals, an influence of a bit pattern of a series of training bits arranged in the series of signals can be removed.
摘要翻译：数据接收系统具有用于解调以载波频率发送的一系列信号的射频单元，用于产生用于解调一系列信号的解调频率的本地振荡单元，用于消除一系列信号的失真的均衡单元在射频单元中解调的一系列信号，相移估计单元，用于从一系列信号中取出相位信息，计算相位信息的时间变化率，并估计由载波频率和根据时变速率的解调频率，以及校正单元，用于根据相移校正从均衡单元发送的一系列信号，以从该系列信号中去除相移。因此，由于通过使用放置在一系列信号中的相位信息来估计相移，所以可以消除布置在一系列信号中的一系列训练位的位模式的影响。

2. 发明授权

US5968201A Method and apparatus for error correction 失效
标题翻译：纠错方法和装置
公开(公告)号：US5968201A
公开(公告)日：1999-10-19
申请号：US834838
申请日：1997-04-10
申请人： Kazuo Shida , Mitsuru Uesugi
发明人： Kazuo Shida , Mitsuru Uesugi
IPC分类号： G11B20/18 , H03M13/00 , H03M13/29 , H03M13/37 , H04B14/04 , G06F11/10 , H03M13/12
CPC分类号： H03M13/2927 , H03M13/00 , H03M13/23 , H03M13/29 , H03M13/41
摘要： Received data representing voice information is subjected to Viterbi decoding to correct an error in the received data. Thereby, the received data is decoded into second data. A path metric is calculated to determine the second data during the Viterbi decoding. A decision is made as to whether or not at least one error is present in the second data by referring to a cyclic redundancy check code in the second data. The second data is discarded when it is decided that at least one error is present in the second data. A decision is made as to whether or not the calculated path metric exceeds a threshold value. The second data is discarded when it is decided that the path metric exceeds the threshold value. The second data is converted into sound when it is decided that at least one error is not present in the second data and that the path metric does not exceed the threshold value.
摘要翻译：代表语音信息的接收数据进行维特比解码以校正接收到的数据中的错误。由此，接收的数据被解码为第二数据。计算路径度量以在维特比解码期间确定第二数据。通过参考第二数据中的循环冗余校验码来决定第二数据中是否存在至少一个错误。当确定在第二数据中存在至少一个错误时，丢弃第二数据。作出关于所计算的路径度量是否超过阈值的决定。当确定路径度量超过阈值时，第二数据被丢弃。当确定在第二数据中不存在至少一个错误并且路径度量不超过阈值时，第二数据被转换成声音。

3. 发明授权

US07848459B2 Radio receiving apparatus and radio receiving method 有权
标题翻译：无线电接收装置和无线电接收方法
公开(公告)号：US07848459B2
公开(公告)日：2010-12-07
申请号：US11911700
申请日：2006-04-10
申请人： Mitsuru Uesugi , Eiji Ota
发明人： Mitsuru Uesugi , Eiji Ota
IPC分类号： H04L27/00 , H03K9/00
CPC分类号： H04L27/2647 , H04B1/719 , H04L27/2623
摘要： A radio receiving apparatus wherein the interference can be minimized and the power and bands can be effectively used in the process of receiving a signal comprising a combination of an impulse signal and an OFDM signal. In this apparatus, a transmission path equalizing part (205) performs a transmission path equalizing process of a signal comprising a combination of an OFDM signal and an impulse signal of UWB-IR system, and a signal separating part (208) uses a constant (C) to clip the amplitude level for a signal (Y1) demodulated as the OFDM signal, and substantially clips only the signal components of the impulse signal. Further, only when a signal (Y2) demodulated as the impulse signal exhibits an amplitude level greater than the constant (C), it is outputted, while most of the signal power of the combined OFDM signal is removed.
摘要翻译：一种无线电接收设备，其中可以使干扰最小化，并且在接收包括脉冲信号和OFDM信号的组合的信号的过程中可以有效地使用功率和频带。在该装置中，传输路径均衡部（205）执行包括OFDM信号和UWB-IR系统的脉冲信号的组合的信号的传输路径均衡处理，信号分离部（208）使用常数（ C）对作为OFDM信号进行解调的信号（Y1）的幅度电平进行钳位，并且仅基本上剪切脉冲信号的信号分量。此外，只有当作为脉冲信号解调的信号（Y2）表现出大于常数（C）的幅度电平时，才能输出组合的OFDM信号的大部分信号功率。

4. 发明申请

US20080233901A1 Radio Communication Apparatus and Peak Suppression Method 审中-公开
标题翻译：无线电通信装置和峰值抑制方法
公开(公告)号：US20080233901A1
公开(公告)日：2008-09-25
申请号：US10573252
申请日：2004-09-17
申请人： Keisuke Ebiko , Mitsuru Uesugi
发明人： Keisuke Ebiko , Mitsuru Uesugi
IPC分类号： H04B1/02 , H04L25/49 , H04L27/28
CPC分类号： H04L27/2624 , H04L1/0026
摘要： A radio communication apparatus enabling reduction in peak-to-average power ratio without decreasing the transmission efficiency. In this apparatus, buffer section 103 temporarily stores input data prior to peak suppression. Peak detecting section 106 detects a peak with an amplitude level not less than a threshold. Peak cut section 107 reduces the detected peak to the threshold. Switching section 109 is switched so that the peak suppressed signal is output to FFT section 114 when the peak is detected, while the peak suppressed signal is subjected to transmission processing when the peak is not detected. Based on MCS information, signal recovering section 115 eliminates a signal assigned to a subcarrier set for MCS of a high level, and as a substitute, assigns the signal prior to peak suppression stored in buffer section 103. MCS setting section 116 selects MCS based on reception quality information of a communicating party.
摘要翻译：一种能够降低峰均功率比而不降低传输效率的无线电通信装置。在该装置中，缓冲器部分103临时存储峰值抑制之前的输入数据。峰值检测部分106检测幅度不小于阈值的峰值。峰值切割部分107将检测到的峰值减小到阈值。切换部分109被切换，使得当检测到峰值时，峰值抑制信号被输出到FFT部分114，而当没有检测到峰值时，峰值抑制信号被进行发送处理。基于MCS信息，信号恢复部115消除分配给用于高电平的MCS的子载波集的信号，并且作为替代，分配存储在缓冲器部分103中的峰值抑制之前的信号。 MCS设定部116基于通信对方的接收质量信息来选择MCS。

5. 发明申请

US20070033153A1 Disaster prediction system 审中-公开
标题翻译：灾害预测系统
公开(公告)号：US20070033153A1
公开(公告)日：2007-02-08
申请号：US10577473
申请日：2004-10-25
申请人： Ryutaro Yamanaka , Hiroyuki Motozuka , Mitsuru Uesugi
发明人： Ryutaro Yamanaka , Hiroyuki Motozuka , Mitsuru Uesugi
IPC分类号： G06F15/18
CPC分类号： G01V1/008
摘要： A disaster prediction system that provides a plurality of mobile communications apparatuses with a function for detecting abnormal signals that are effective in natural disaster prediction, manages location information for the mobile communications apparatuses and appropriately sets areas of natural disaster prediction, collects a plurality of abnormality detection signals from the mobile communications apparatuses, analyzes these signals per area of prediction, improves the accuracy of natural disaster occurrence prediction, and transmits natural disaster-related information to a plurality of mobile communications apparatuses present in the areas of prediction. In this system, a mobile terminal 200 is equipped with functions for detecting an electromagnetic signal which correlates with earthquake occurrence and which comes from underground and detecting an abnormal electromagnetic signal and a function for locating its present position, a location management apparatus 300 manages location information for a plurality of mobile terminals 200, and an earthquake prediction apparatus 400 appropriately sets the areas of prediction of earthquake occurrence, according to the location management information, and collects a plurality of abnormality detection signals from the mobile terminals 200, generates earthquake-related alert information based on analysis per area of prediction, and transmits that information to the mobile terminals 200.
摘要翻译：一种灾害预测系统，其提供具有检测在自然灾害预测中有效的异常信号的功能的多个移动通信装置，管理移动通信装置的位置信息，适当设定自然灾害预测区域，收集多个异常检测来自移动通信设备的信号，每个预测区域分析这些信号，提高自然灾害发生预测的准确性，并将自然灾害相关信息发送到存在于预测区域中的多个移动通信设备。在该系统中，移动终端200配备有用于检测与地震发生相关并且来自地下的电磁信号的功能，并检测异常电磁信号和定位其当前位置的功能，位置管理装置300管理位置信息对于多个移动终端200，地震预测装置400根据位置管理信息适当地设定地震发生的预测区域，并从移动终端200收集多个异常检测信号，生成地震相关警报基于每个预测区域的分析的信息，并将该信息发送到移动终端200。

6. 发明授权

US07012949B2 OFDM guard band communication apparatus and method 失效
标题翻译： OFDM保护带通信装置及方法
公开(公告)号：US07012949B2
公开(公告)日：2006-03-14
申请号：US09959501
申请日：2001-03-12
申请人： Mitsuru Uesugi
发明人： Mitsuru Uesugi
IPC分类号： H04B1/69
CPC分类号： H04L5/023 , H04B1/707 , H04L5/06
摘要： A transmitting apparatus and method may inverse Fourier transform transmit data converted to parallel form to obtain a first signal. The band of a second signal is limited to a guard frequency band adjacent to the band of the first signal, and a signal comprising the first and second signals is transmitted.
摘要翻译：发送装置和方法可以逆傅立叶变换转换成并行形式的发送数据以获得第一信号。第二信号的频带被限制为与第一信号的频带相邻的保护频带，并且发送包括第一和第二信号的信号。

7. 发明申请

US20050213538A1 Data distribution device and transmission method 审中-公开
标题翻译：数据分发装置及传输方式
公开(公告)号：US20050213538A1
公开(公告)日：2005-09-29
申请号：US10516004
申请日：2003-05-29
申请人： Keisuke Ebiko , Mitsuru Uesugi , Isamu Yoshii , Kenichi Miyoshi , Takahisa Aoyama
发明人： Keisuke Ebiko , Mitsuru Uesugi , Isamu Yoshii , Kenichi Miyoshi , Takahisa Aoyama
IPC分类号： H04L12/28 , H04L12/56 , H04Q7/00
CPC分类号： H04W74/02 , H04N21/234327 , H04N21/41407 , H04N21/6131 , H04N21/631 , H04W4/18 , H04W40/36 , H04W84/042 , H04W84/12 , H04W88/06
摘要： A server (191) transmits image information consisting of basic data and complementary data to a router (100) through the Internet (192). The router (100) allocates the basic data to a BS (110) of a cellular system (193) and the complementary data to an AP (120) of a wireless LAN system (194). The BS (110) transmits the basic data to a MS (150) and the AP (120) transmits the complementary data to the MS (150). When the MS (150) is located in the area of the cellular system (193), the MS always maintains a communication channel with the BS (110) and when the MS enters the area of the wireless LAN system (194), the MS also opens a channel with the AP (120) while maintaining the channel with the BS (110). This allows the user to continue seamless communication.
摘要翻译：服务器（191）通过因特网（192）将由基本数据和补充数据组成的图像信息发送到路由器（100）。路由器（100）将基本数据分配给蜂窝系统（193）的BS（110），并将补充数据分配给无线LAN系统（194）的AP（120）。 BS（110）将基本数据发送到MS（150），并且AP（120）向MS（150）发送补充数据。当MS（150）位于蜂窝系统（193）的区域中时，MS始终保持与BS（110）的通信信道，并且当MS进入无线LAN系统（194）的区域时，MS 还在与BS（110）保持信道的同时打开具有AP（120）的信道。这允许用户继续无缝通信。

8. 发明授权

US06810096B1 Reception apparatus and replica signal generating method 失效
标题翻译：接收装置和复制信号生成方法
公开(公告)号：US06810096B1
公开(公告)日：2004-10-26
申请号：US09743986
申请日：2001-01-18
申请人： Yoshiko Saito , Mitsuru Uesugi
发明人： Yoshiko Saito , Mitsuru Uesugi
IPC分类号： H03D100
CPC分类号： H04B7/0857 , H01Q3/26
摘要： Signal component converging section 105 delays received signal components spread on a time axis to combine signal components based on an output of propagation path estimating section 104, maximum value detecting section 106 detects a sample timing of a signal component with the maximum power among signal components combined in signal component converging section 105, and tap coefficient estimating section 107 estimates a tap coefficient that minimizes a mean square of a difference between a replica signal and a received signal while assigning a tap coefficient of a fixed value (for example, 1) to a sampling timing providing the maximum power, and outputs the estimated tap coefficient to FFF in plural array combining section 102 and a replica generating section in Viterbi equalizer 108.
摘要翻译：信号分量会聚部105基于传播路径估计部104的输出，延迟在时间轴上扩展的接收信号分量，合成信号成分，最大值检测部106检测信号成分的信号成分的采样定时在信号分量收敛部分105中，抽头系数估计部分107估计将复数信号和接收信号之间的差的均方最小的抽头系数，同时将固定值（例如，1）的抽头系数分配给提供最大功率的采样定时，并将估计抽头系数输出到多个阵列组合部分102和维特比均衡器108中的副本生成部分的FFF。

9. 发明授权

US06683863B2 CDMA radio transmitting apparatus and CDMA radio receiving apparatus 有权
标题翻译： CDMA无线发送装置和CDMA无线接收装置
公开(公告)号：US06683863B2
公开(公告)日：2004-01-27
申请号：US09968022
申请日：2001-10-02
申请人： Kazuyuki Miya , Mitsuru Uesugi
发明人： Kazuyuki Miya , Mitsuru Uesugi
IPC分类号： H04B7216
CPC分类号： H04B7/264
摘要： A CDMA radio transmission apparatus includes a multiplexer that time-multiplexes variable data and fixed data. The variable data includes a quantity of data that is variable with respect to time and the fixed data includes a quantity of data that is fixed with respect to time. A randomizer randomizes a transmission timing of the fixed data by controlling a placement of the fixed data. A data quantity converter that converts the quantity of variable data.
摘要翻译： CDMA无线电传输装置包括对可变数据和固定数据进行时分复用的多路复用器。可变数据包括相对于时间可变的数据量，固定数据包括相对于时间固定的数据量。随机化器通过控制固定数据的放置来随机化固定数据的传输定时。一种转换可变数据量的数据量转换器。

10. 发明授权

US06456677B1 Synchronization equipment 失效
标题翻译：同步设备
公开(公告)号：US06456677B1
公开(公告)日：2002-09-24
申请号：US09709650
申请日：2000-11-13
申请人： Katsuhiko Hiramatsu , Mitsuru Uesugi , Hiroaki Sudo
发明人： Katsuhiko Hiramatsu , Mitsuru Uesugi , Hiroaki Sudo
IPC分类号： H04L700
CPC分类号： H04L7/0054 , H04L7/0334 , H04L7/0337 , H04L7/041
摘要： The synchronizing apparatus includes a block for detecting a code from an input signal, a block for detecting from the code the variable points of the code at several times as high as the symbol rate, a block for calculating a histogram of the detected variables of the code to time, and a block for deciding that the phase number at which the calculated histogram takes the maximum value is a symbol synchronization point. This synchronizing apparatus detects the zero-cross points of an intermediate frequency band signal at N times as high as the symbol rate. It also calculates a histogram of detected time (0 to N−1). The time (0 to N−1) at which the histogram is the maximum within a predetermined detected time is selected as a symbol clock, and thereby symbol synchronization is established.
摘要翻译：同步装置包括用于从输入信号中检测代码的块，用于从代码中检测代码的可变点数为符号速率的几倍的块，用于计算检测到的变量的直方图的块代码到时间，以及用于确定计算的直方图获取最大值的相位数的块是符号同步点。该同步装置检测中间频带信号的零交叉点的N倍于符号率。它还计算检测时间的直方图（0到N-1）。选择在预定检测时间内直方图为最大值的时间（0到N-1）作为符号时钟，从而建立符号同步。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式