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    • 43. 发明申请
    • TRANSMISSION-RECEPTION DEVICE
    • 传输接收设备
    • US20130157589A1
    • 2013-06-20
    • US13814914
    • 2012-01-31
    • Naganori ShirakataTadashi Morita
    • Naganori ShirakataTadashi Morita
    • H04B1/40
    • H04B1/40H04L25/068H04L27/2636H04L27/32H04L27/367
    • A transmission-reception device includes a radio frequency section that performs a frequency conversion on a signal which is modulated using a single carrier transmission system, a correction coefficient multiplier that multiplies a frequency domain signal by a distortion correction coefficient in the frequency conversion of the radio frequency section to correct a distortion, a first transformer that converts a time domain signal into a frequency domain signal at a time of reception, and converts the frequency domain signal which is distortion-corrected by the correction coefficient multiplier into a time domain signal at a time of transmission, and a second transformer that converts a time domain signal into a frequency domain signal at a time of transmission, and converts the frequency domain signal which is distortion-corrected by the correction coefficient multiplier into a time domain signal at a time of reception.
    • 发送接收装置包括对使用单载波传输系统调制的信号进行频率变换的射频部,将频域信号乘以无线电的频率变换中的失真校正系数的校正系数乘法器 频率部分,用于校正失真;第一变压器,其在接收时将时域信号转换为频域信号,并将由校正系数乘法器进行失真校正的频域信号转换为时域信号, 发送时间以及在发送时将时域信号变换为频域信号的第二变换器,将由校正系数乘法器进行了失真校正的频域信号转换为时域信号 接待处
    • 44. 发明授权
    • Communication device, communication method, program, and communication system
    • 通信设备,通信方式,程序和通信系统
    • US08276824B2
    • 2012-10-02
    • US12538578
    • 2009-08-10
    • Hideo YamamotoTadashi Morita
    • Hideo YamamotoTadashi Morita
    • G06K19/06
    • G07F7/10G06Q20/341G06Q20/352G06Q20/3576G06Q20/363
    • A communication device including a receiving unit, a command processing unit, an updating unit, a transmitting unit, and a selector is provided. The receiving unit receives a transmitted command. The command processing unit performs command processing in response to the received command and generates a response containing a result of the command processing. The updating unit updates information held in one area of a memory currently disabled using the result of the command processing, wherein a first area and a second area form the memory for holding information indicating a current status. The transmitting unit transmits the generated response. The selector switches the one area currently disabled and holds the information that was updated using the result of the command processing into the enabled state and the other area currently enabled into the disabled state immediately after transmission of the response is completed.
    • 提供了包括接收单元,命令处理单元,更新单元,发送单元和选择器的通信设备。 接收单元接收发送的命令。 命令处理单元响应于接收到的命令执行命令处理,并生成包含命令处理结果的响应。 更新单元使用命令处理的结果更新保存在当前禁用的存储器的一个区域中的信息,其中第一区域和第二区域形成用于保存指示当前状态的信息的存储器。 发送单元发送所生成的响应。 选择器切换当前禁用的一个区域,并且在发送响应完成之后立即将使用命令处理结果更新的信息保存到启用状态,并将当前使能的其他区域保持为禁用状态。
    • 45. 发明申请
    • WIRELESS RECEIVING APPARATUS
    • 无线接收设备
    • US20120230452A1
    • 2012-09-13
    • US13511276
    • 2010-09-06
    • Kiyomichi ArakiNoriaki SaitoTadashi Morita
    • Kiyomichi ArakiNoriaki SaitoTadashi Morita
    • H04L27/06
    • H01Q21/28H01Q1/521H04B7/0413H04B7/0822
    • Disclosed is a wireless receiving apparatus, whereby inter-antenna interference can be reduced without inducing an increase of a mounting area due to an increase of the number of antennas, and the number of RFIC input terminals, circuit scale and power consumption can be reduced. In the wireless receiving apparatus (100), when a receiving antenna (110-1) and a down-converter (130) are connected with a multiplexer (120) therebetween, a capacity control unit (190-2) controls the capacity value of the capacity-variable parasitic element (180-2) connected to the receiving antenna (110-2) such that the communication capacity of the receiving antenna (110-1) is maximum. Furthermore, when the receiving antenna (110-2) and the down-converter (130) are connected with the multiplexer (120) therebetween, the capacity control unit (190-1) controls the capacity value of the capacity-variable parasitic element (180-1) connected to the receiving antenna (110-1) such that the communication capacity of the receiving antenna (110-2) is maximum.
    • 公开了一种无线接收装置,由于天线数量的增加,可以降低天线间干扰,而不会引起安装面积的增加,并且可以减少RFIC输入端子的数量,电路规模和功耗。 在无线接收装置(100)中,当接收天线(110-1)和下变频器(130)与多路复用器(120)之间连接时,容量控制单元(190-2)控制容量值 连接到接收天线(110-2)的容量可变寄生元件(180-2),使得接收天线(110-1)的通信容量最大。 此外,当接收天线(110-2)和下变频器(130)与其之间的多路复用器(120)连接时,容量控制单元(190-1)控制容量可变寄生元件( 180-1)连接到接收天线(110-1),使得接收天线(110-2)的通信容量最大。
    • 46. 发明申请
    • DISTORTION-CORRECTING RECEIVER AND DISTORTION CORRECTION METHOD
    • 失真校正接收器和失真校正方法
    • US20120002768A1
    • 2012-01-05
    • US13256885
    • 2010-03-05
    • Tadashi MoritaYoshito ShimizuNoriaki Saito
    • Tadashi MoritaYoshito ShimizuNoriaki Saito
    • H03D1/04
    • H04B1/30H04B1/123
    • Disclosed are a distortion-correcting receiver and a distortion correction method capable of precisely cancelling inter-modulation secondary distortion even when an input signal is markedly band-limited in a reception processing unit. In the distortion-correcting receiver (100), the reception processing unit (110) executes reception processing of the input signal and outputs a received signal. A replica signal generation unit (120) generates a replica signal of the inter-modulation distortion component of the input signal by use of the input signal. A correction signal generation unit (130) comprises a frequency property imparting unit (131) and a weighting unit (132), adjusts the frequency property and the gain of the replica signal, and generates a correction signal. A correction signal injection unit (140) adds the reverse-phase signal of the correction signal to the received signal to correct the received signal.
    • 公开了一种失真校正接收机和失真校正方法,即使在接收处理单元中输入信号被带限制时,也能够精确地消除互调二次失真。 在失真校正接收机(100)中,接收处理单元(110)执行输入信号的接收处理并输出接收信号。 复制信号生成单元(120)通过使用输入信号生成输入信号的互调失真分量的复制信号。 校正信号生成单元(130)包括频率特性赋予单元(131)和加权单元(132),调整复制信号的频率特性和增益,并生成校正信号。 校正信号注入单元(140)将校正信号的反相信号加到接收信号上以校正接收到的信号。
    • 48. 发明申请
    • INFORMATION PROCESSING APPARATUS AND METHOD, COMMUNICATION APPARATUS AND METHOD, AND INFORMATION PROCESSING SYSTEM
    • 信息处理装置和方法,通信装置和方法以及信息处理系统
    • US20100257594A1
    • 2010-10-07
    • US12753243
    • 2010-04-02
    • Tadashi Morita
    • Tadashi Morita
    • H04L9/32H04B5/00G06F7/50
    • H04B5/02G06Q20/343G06Q20/352G07F7/10
    • An information processing apparatus includes: a register holding a value input thereto; a first communication path through which an addition command is input; a second communication path through which a subtraction command is input; addition means adding a predetermined value to a register value held in the register according to the addition command input through the first communication path and causing the register to hold a value resulting from the addition; and subtraction means subtracting a predetermined value from a register value held in the register according to the subtraction command input through the second communication path and causing the register to hold a value resulting from the subtraction, wherein the addition means and the subtraction means operate exclusively of each other.
    • 一种信息处理装置,包括:保存输入值的寄存器; 输入加法命令的第一通信路径; 输入减法命令的第二通信路径; 加法装置根据通过第一通信路径输入的加法命令,将保存在寄存器中的寄存器值加上一个预定值,并使该寄存器保持加法得到的值; 和减法装置根据通过第二通信路径输入的减法命令从保持在寄存器中的寄存器值减去预定值,并使寄存器保存由减法得到的值,其中加法装置和减法装置专门操作 彼此。