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1. 发明授权

US08934575B2 Reception method and reception device estimating reception quality and communication system using the reception device 有权
标题翻译：接收方法和接收装置估计使用接收装置的接收质量和通信系统
公开(公告)号：US08934575B2
公开(公告)日：2015-01-13
申请号：US10484032
申请日：2003-05-08
申请人： Katsuaki Abe , Masayuki Orihasi , Yutaka Murakami , Akihiko Matsuoka , Takenori Sakamoto
发明人： Katsuaki Abe , Masayuki Orihasi , Yutaka Murakami , Akihiko Matsuoka , Takenori Sakamoto
IPC分类号： H04L27/06 , H04B15/00 , H04L1/06 , H04L1/00 , H04L1/20
CPC分类号： H04L1/06 , H04L1/0001 , H04L1/0026 , H04L1/20
摘要： Variation in received signal qualities at positions in a frame is estimated so as to improve a communication quality. In communication from a transmitting station to a receiving station, a received signal quality is estimated per data position in a data frame received by the receiving station, thus to grasp situations of the received signal quality varied depending on a position which is caused by various factors of property deterioration in a process from transmitting communication data from the transmitting station to receiving it by the receiving station via a transmission path. Further, an estimating result is supplied to a data processing unit and used at a latter stage. The estimating result is notified to the transmitting station and arrangement of transmitting data is reconstructed on the transmitting station side. The arrangement of the transmitting data is properly changed in accordance with importance of the communication data. Further, the rearranged transmitting data is properly restored on the receiving station side, thereby obtaining received data and improving a quality of a communication service.
摘要翻译：估计帧中的位置处的接收信号质量的变化，以提高通信质量。在从发送站到接收站的通信中，接收站接收到的数据帧中的每个数据位置估计接收到的信号质量，从而掌握接收到的信号质量的情况，这取决于由各种因素引起的位置在从发送站发送通信数据到接收站经由传输路径接收通信数据的过程中的属性恶化。此外，将估计结果提供给数据处理单元并在后一阶段使用。将估计结果通知发送站，并在发送站侧重新构建发送数据。根据通信数据的重要性适当地改变发送数据的配置。此外，重新布置的发送数据在接收站侧被适当地恢复，从而获得接收的数据并提高通信服务的质量。

2. 发明授权

US08655297B2 Nonlinear distortion compensating receiver and nonlinear distortion compensation method 有权
标题翻译：非线性失真补偿接收机和非线性失真补偿方法
公开(公告)号：US08655297B2
公开(公告)日：2014-02-18
申请号：US13378477
申请日：2010-07-05
申请人： Satoshi Tsukamoto , Noriaki Saito , Yoshito Shimizu , Tadashi Morita , Katsuaki Abe
发明人： Satoshi Tsukamoto , Noriaki Saito , Yoshito Shimizu , Tadashi Morita , Katsuaki Abe
IPC分类号： H04B1/10
CPC分类号： H04B1/109 , H04B1/0028 , H04B1/123 , H04L27/3863
摘要： Disclosed are a nonlinear distortion compensating receiver and nonlinear distortion compensation method, wherein nonlinear distortion is reduced with a simple circuit configuration. A correction (opposite characteristics) filter (104) has characteristics opposite that of the frequency characteristics of a direct sampling mixer (102) and corrects signals sampled by the direct sampling mixer (102). In the main path, a LPF (106) extracts a frequency band component of a desired signal from the corrected signal. In the replica path, a BPF (107) extracts the frequency band component of a blocker signal from the corrected signal. A cubing circuit (108) uses the frequency band component of the blocker signal to generate a replica signal for the nonlinear distortion. An adaptive filter (110) performs filter processing on the replica signal while updating the filter coefficients. A subtractor (111) subtracts the output signal of the adaptive filter (110) from the frequency band component of the extracted desired signal and outputs the subtraction result as the desired signal.
摘要翻译：公开了一种非线性失真补偿接收机和非线性失真补偿方法，其中通过简单的电路配置来减少非线性失真。校正（相反特性）滤波器（104）具有与直接采样混频器（102）的频率特性相反的特性，并且校正由直接采样混频器（102）采样的信号。在主路径中，LPF（106）从校正信号中提取期望信号的频带分量。在副本路径中，BPF（107）从修正信号中提取阻塞信号的频带分量。立方体电路（108）使用阻塞信号的频带分量来产生用于非线性失真的复制信号。自适应滤波器（110）在更新滤波器系数的同时对复制信号执行滤波处理。减法器（111）从所提取的期望信号的频带分量中减去自适应滤波器（110）的输出信号，并输出相减结果作为期望信号。

3. 发明授权

US08527827B2 Transmitting apparatus, receiving apparatus, transmission method, and reception method 有权
标题翻译：发送装置，接收装置，发送方法和接收方法
公开(公告)号：US08527827B2
公开(公告)日：2013-09-03
申请号：US11940381
申请日：2007-11-15
申请人： Yutaka Murakami , Katsuaki Abe , Masayuki Orihashi , Akihiko Matsuoka
发明人： Yutaka Murakami , Katsuaki Abe , Masayuki Orihashi , Akihiko Matsuoka
IPC分类号： G06F11/00
CPC分类号： H04L1/0041 , H04L1/0003 , H04L1/0009 , H04L1/0025 , H04L1/0039 , H04L1/0058 , H04L1/0079 , H04L1/0083 , H04L1/08 , H04L27/0008 , H04L27/0012 , H04L27/20 , H04L27/2608 , Y02D50/10
摘要： An orthogonal frequency division multiplexing transmission method includes generating a data symbol. A control information signal is generated. The control information signal relates to a modulation scheme and an error correction scheme of a data symbol in a frame. An orthogonal frequency division multiplexing signal is formed. The orthogonal frequency division multiplexing signal includes the data symbol and the control information signal. The orthogonal frequency division multiplexing signal is formed by arranging the control information signal in a first symbol group that is formed with subcarriers in a time period, and in a second symbol group that is formed with subcarriers, located in the time period, and that has a frequency band distant from the first symbol group.
摘要翻译：正交频分复用传输方法包括产生数据符号。生成控制信息信号。控制信息信号涉及帧中数据符号的调制方案和纠错方案。形成正交频分复用信号。正交频分复用信号包括数据符号和控制信息信号。正交频分多路复用信号是通过将控制信息信号排列成在时间段内形成有子载波的第一符号组和在时间段内形成有子载波的第二符号组中形成的，并且具有远离第一符号组的频带。

4. 发明授权

US08451793B2 Wireless terminal and communication system switching method 有权
标题翻译：无线终端和通信系统切换方法
公开(公告)号：US08451793B2
公开(公告)日：2013-05-28
申请号：US13313505
申请日：2011-12-07
申请人： Kentaro Miyano , Katsuaki Abe , Akihiko Matsuoka
发明人： Kentaro Miyano , Katsuaki Abe , Akihiko Matsuoka
IPC分类号： H04W4/00
CPC分类号： H04L5/026 , H04B1/707 , H04B2201/7071 , H04L27/0008
摘要： A wireless terminal involving small redundancy that can be reconfigured to a configuration compatible with a plurality of systems using the hardware resources compatible with one system is provided. A wireless terminal 100A is compatible with an OFCDM system and has a signal processing section 151, a synchronous detection section 162, etc. The signal processing section 151 performs Fourier transform when the wireless terminal is compatible with the OFCDM system; the signal processing section 151 performs Fourier transform and inverse Fourier transform compatible with an OFDM system when the wireless terminal is compatible with the OFDM system and a CDMA system. When the wireless terminal is compatible with the OFCDM system, the synchronous detection section 162 uses taps used in the systems when the wireless terminal is compatible with the OFDM system and the CDMA system. When the wireless terminal 100A is placed out of the area in the OFCDM system, it is switched to a configuration compatible with the OFDM system and the CDMA system.
摘要翻译：提供了涉及小冗余的无线终端，其可以使用与一个系统兼容的硬件资源重新配置为与多个系统兼容的配置。无线终端100A与OFCDM系统兼容，具有信号处理部151，同步检测部162等。当无线终端与OFCDM系统兼容时，信号处理部151进行傅立叶变换; 当无线终端与OFDM系统和CDMA系统兼容时，信号处理部分151执行与OFDM系统兼容的付里叶变换和逆傅里叶变换。当无线终端与OFCDM系统兼容时，当无线终端与OFDM系统和CDMA系统兼容时，同步检测部分162使用系统中使用的抽头。当无线终端100A被放置在OFCDM系统中的区域之外时，它切换到与OFDM系统和CDMA系统兼容的配置。

5. 发明授权

US08356063B2 Reconfigurable digital filter 有权
标题翻译：可重构数字滤波器
公开(公告)号：US08356063B2
公开(公告)日：2013-01-15
申请号：US12097531
申请日：2006-12-13
申请人： Katsuaki Abe , Kentaro Miyano , Akihiko Matsuoka , Tomoya Urushihara
发明人： Katsuaki Abe , Kentaro Miyano , Akihiko Matsuoka , Tomoya Urushihara
IPC分类号： G06F17/10 , G06F17/17
CPC分类号： H03H17/0294 , H03H17/0292 , H03H17/06 , H03H17/0664 , H03H17/0671 , H03H2220/02
摘要： A digital filter is provided for radio communication processing capable of dynamically modifying the characteristic and simultaneously processing a plurality of systems. In the digital filter, calculation core groups capable of modifying function are arranged and connected to one another by an input interface unit and an output interface unit. When the communication mode is modified, the number of calculation resources to be used and setting contents are decided according to the setting candidate of the filter characteristic required and the calculation resource empty state. According to the decision, functions of the respective parts are modified to perform a predetermined operation control, so as to flexibly modify the limited multiplication/addition calculation resource calculation tap quantity, the operation clock, and the connection relationship, thereby enabling simultaneous and parallel execution of a plurality of different finite impulse response (FIR) filter processes and simultaneous and parallel execution of a plurality of filter processes.
摘要翻译：提供了能够动态地修改特性并同时处理多个系统的无线电通信处理的数字滤波器。在数字滤波器中，可以通过输入接口单元和输出接口单元将能够修改功能的计算核心组布置并彼此连接。当通信模式被修改时，根据所需的滤波器特性的设置候选和计算资源空闲状态来确定要使用的计算资源的数量和设置内容。根据该决定，对各部分的功能进行修改，以执行预定的操作控制，以灵活地修改限制的乘法/加法计算资源计算抽头数量，操作时钟和连接关系，从而实现同时并行执行多个不同的有限脉冲响应（FIR）滤波器处理以及多个滤波器处理的并行和并行执行。

6. 发明授权

US08346293B2 Radio communication device supporting a plurality of communication schemes 有权
标题翻译：支持多种通信方式的无线通信装置
公开(公告)号：US08346293B2
公开(公告)日：2013-01-01
申请号：US11629387
申请日：2005-06-13
申请人： Katsuaki Abe , Michiaki Matsuo , Noriaki Saito , Takenori Sakamoto , Akihiko Matsuoka
发明人： Katsuaki Abe , Michiaki Matsuo , Noriaki Saito , Takenori Sakamoto , Akihiko Matsuoka
IPC分类号： H04M1/00
CPC分类号： H04W88/06 , H04B1/0003
摘要： There are provided a plurality of systems of reconfigurable radio processing unit (102) whose function and performance can be modified. A control unit (104) collects quality information on the communication link in communication methods received at respective radio processing systems (102a, 102b). According to this, the control unit (104) selects an optimal communication method and transmission mode from a plurality of communication methods and transmission modes (for example, diversity transmission between a plurality of systems, diversity transmission by a single communication method, and MIMO channel multiplex transmission). By modifying configurations of the reconfigurable radio processing unit (102) according to the selected communication method and transmission mode, it is possible to communicate at a desired transmission mode. Thus, it is possible to perform an optimal transmission to the communication link according to the quality condition and other request condition.
摘要翻译：提供了多个可重构无线电处理单元（102）的系统，其功能和性能可以被修改。控制单元（104）在各个无线电处理系统（102a，102b）处接收的通信方法中收集关于通信链路的质量信息。据此，控制单元（104）从多个通信方式和发送模式（例如，多个系统之间的分集发送，单个通信方式的分集发送，以及MIMO信道多路传输）。通过根据所选择的通信方法和传输模式修改可重构无线电处理单元（102）的配置，可以以期望的传输模式进行通信。因此，可以根据质量条件和其他请求条件向通信链路执行最佳传输。

7. 发明授权

US08229987B2 Discrete time direct sampling circuit and receiver 有权
标题翻译：离散时间直接采样电路和接收器
公开(公告)号：US08229987B2
公开(公告)日：2012-07-24
申请号：US12281668
申请日：2007-03-05
申请人： Yoshifumi Hosokawa , Katsuaki Abe , Noriaki Saito , Kiyomichi Araki , Yohei Morishita
发明人： Yoshifumi Hosokawa , Katsuaki Abe , Noriaki Saito , Kiyomichi Araki , Yohei Morishita
IPC分类号： G06F17/17 , G06G7/28 , H03M1/00
CPC分类号： H03H15/023 , H03D7/125 , H03D7/16 , H03J2200/10
摘要： A direct sampling circuit and a receiver which carry out discrete time analog processing with a high degree of design freedom and are provided with a filter property which is achievable to comply with the receipt of a broad band signal. A plurality of discrete time analog processing circuits (101) are connected in parallel with each other, a gm value and a capacitance of a capacitor in each circuit system are set independently based on a prescribed condition, and an output signal obtained from each circuit system is synthesized by means of a buffer capacitor (102), so that an equivalently high-dimensional IIR filter can be put into practice.
摘要翻译：一种直接采样电路和接收器，其以高度的设计自由度进行离散时间模拟处理，并具有能够符合宽带信号接收的滤波器特性。多个离散时间模拟处理电路（101）彼此并联连接，每个电路系统中的电容器的gm值和电容被独立地基于规定条件设置，并且从每个电路系统获得的输出信号通过缓冲电容器（102）合成，从而可以实现等效的高维IIR滤波器。

8. 发明授权

US08165617B2 Wireless communication apparatus and communication control method 有权
标题翻译：无线通信装置和通信控制方法
公开(公告)号：US08165617B2
公开(公告)日：2012-04-24
申请号：US12066064
申请日：2006-08-29
申请人： Katsuaki Abe , Akihiko Matsuoka , Kentaro Miyano , Takenori Sakamoto , Tomoya Urushihara
发明人： Katsuaki Abe , Akihiko Matsuoka , Kentaro Miyano , Takenori Sakamoto , Tomoya Urushihara
IPC分类号： H04B7/00
CPC分类号： H04W8/22 , H04B2201/7071
摘要： A wireless communication apparatus and a communication control method wherein even if there occurs a change in communication control information due to a function change, an appropriate correction is implemented to improve the communication quality. A wireless communication apparatus (100) comprises a plurality of reconfigurable function parts (reconfigurable function modules (1031)) that reconfigure functions related to communication to perform digital signal processings according to a plurality of communication formats; and a communication operation control function part that controls the communication operation. Each of the reconfigurable function parts includes a property register (10311) in which the communication control information is written. The communication operation control function part includes a reconfiguration control section (107) that overwrites the communication control information in the property register each time the communication function is reconfigured; and a communication control section (104) that performs a communication control based on the communication control information held in the property register.
摘要翻译：一种无线通信装置和通信控制方法，其中即使由于功能改变而导致通信控制信息发生变化，也实施适当的校正以提高通信质量。无线通信装置（100）包括重新配置与通信有关的功能的多个可重新配置功能部件（可重构功能模块（1031）），以根据多种通信格式执行数字信号处理; 以及控制通信操作的通信操作控制功能部。每个可重构功能部件包括写入通信控制信息的属性寄存器（10311）。通信操作控制功能部包括重新配置控制部（107），每当重新配置通信功能时，覆盖属性寄存器中的通信控制信息; 以及基于所述属性寄存器中保存的通信控制信息进行通信控制的通信控制部（104）。

9. 发明授权

US08077818B2 Radio receiver 有权
标题翻译：无线电接收机
公开(公告)号：US08077818B2
公开(公告)日：2011-12-13
申请号：US12094993
申请日：2006-11-21
申请人： Katsuaki Abe , Akihiko Matsuoka , Kentaro Miyano
发明人： Katsuaki Abe , Akihiko Matsuoka , Kentaro Miyano
IPC分类号： H04B1/10
CPC分类号： H04B1/28 , H04B1/0007
摘要： A radio receiver including a reception processing system that uses discrete-time frequency conversion to acquire a signal having a sampling rate corresponding to a local frequency, wherein the reception characteristic is improved when the reception processing system is applied to a system having a wide reception channel band. The radio receiver comprises an A/D converting part that quantizes a discrete-time analog signal to a digital value to output a received digital signal; a channel selection filtering part that uses a tap coefficient value to perform a digital filtering process of the received digital signal; and a frequency response characteristic correcting part that generates the tap coefficient in accordance with the sampling rate.
摘要翻译：一种无线电接收机，包括使用离散时间频率转换来获取具有与本地频率对应的采样率的信号的接收处理系统，其中当接收处理系统应用于具有宽接收信道的系统时，接收特性得到改善带。无线电接收机包括A / D转换部分，其将离散时间模拟信号量化为数字值以输出接收到的数字信号; 使用抽头系数值对所接收的数字信号进行数字滤波处理的频道选择滤波部分; 以及频率响应特性校正部，其根据采样率生成抽头系数。

10. 发明授权

US08032094B2 Discrete filter, sampling mixer, and radio device 有权
标题翻译：离散滤波器，采样混频器和无线电设备
公开(公告)号：US08032094B2
公开(公告)日：2011-10-04
申请号：US12303936
申请日：2007-06-08
申请人： Yoshifumi Hosokawa , Katsuaki Abe , Kentaro Miyano
发明人： Yoshifumi Hosokawa , Katsuaki Abe , Kentaro Miyano
IPC分类号： H01Q11/12 , H03B1/00
CPC分类号： H03H15/00 , G11C27/024 , H03D7/1441 , H03D7/1483 , H03D7/166
摘要： Provided is a discrete filter capable of adjusting the number of notches and the notch frequency and easily eliminating a particular frequency component. In a sampling mixer (100), a control signal generation unit (104) generates a plurality of control signals having the same frequency and different phases. A convolution capacity unit (110) integrates the discrete signals obtained by sampling reception signals by using convolution capacitors at a timing based on the control signals. The signals integrated by the convolution capacitors are successively emitted at the timing based on a control signal other than the control signals used for the integration timing. Cb (15) integrates the emitted discrete signals. Thus, by adjusting the number of the convolution capacitors arranged in parallel to one another and the capacitance of each of the convolution capacitors, it is possible to realize a sampling mixer capable of adjusting the number of notches and the notch frequency and easily eliminating a particular frequency component.
摘要翻译：提供了能够调整陷波数和陷波频率并容易消除特定频率分量的离散滤波器。在采样混频器（100）中，控制信号生成单元（104）产生具有相同频率和不同相位的多个控制信号。卷积容量单元（110）通过在基于控制信号的定时使用卷积电容来对通过对接收信号进行采样而获得的离散信号进行积分。由卷积电容器集成的信号基于除了用于积分定时的控制信号之外的控制信号的定时连续地发射。 Cb（15）集成了发射的离散信号。因此，通过调整彼此并联布置的卷积电容器的数量和每个卷积电容器的电容，可以实现能够调节陷波数和陷波频率的采样混频器，并且容易地消除特定的频率分量。

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