会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • Reception Device and Reception Method
    • 接收设备和接收方法
    • US20100091910A1
    • 2010-04-15
    • US12527654
    • 2008-02-20
    • Hirohito MukaiYutaka MurakamiKiyotaka KobayashiHidekuni YomoYoshinori Kunieda
    • Hirohito MukaiYutaka MurakamiKiyotaka KobayashiHidekuni YomoYoshinori Kunieda
    • H04L27/06
    • H03M13/27H04J11/003H04L1/005H04L1/0071H04L27/2626H04L27/2647
    • Provided is a reception device which can reduce a parallel interference canceller processing delay. The reception device (200) includes: a plurality of reception antennas (210A, 210B); an address generation unit (2332) which converts the write-in or read-out order of channel estimation values according to a predetermined rearrangement rule; a channel estimation storage unit (2334) which writes in channel estimation values in the converted order; an address generation unit (2338) which converts the data sequence write-in or read-out order according to the rearrangement rule; a signal storage unit (2340) which writes in or reads out data sequences in the converted order; a replica generation unit (2336) which generates a replica signal by re-modulating the data sequence according to the channel estimation value; a cancel unit (2342) which successively extracts a channel estimation value and a data sequence and generates a stream signal in which the data sequence interference signal is cancelled, by using the channel estimation value, the data sequence, and the replica signal; and an error correction decoding unit (2350) which corrects and decodes an error according to the stream signal.
    • 提供一种可以减少并行干扰消除器处理延迟的接收装置。 接收装置(200)包括:多个接收天线(210A,210B); 地址生成单元,根据预定的重排规则转换信道估计值的写入或读出顺序; 以转换顺序写入信道估计值的信道估计存储单元(2334) 根据重排规则转换数据序列写入或读出顺序的地址生成单元(2338); 信号存储单元(2340),其以转换的顺序写入或读出数据序列; 复制生成单元,其通过根据所述信道估计值重新调制所述数据序列来生成复制信号; 取消单元(2342),其通过使用信道估计值,数据序列和复制信号,连续地提取信道估计值和数据序列,并生成数据序列干扰信号被消除的流信号; 以及根据流信号校正和解码错误的纠错解码单元(2350)。
    • 2. 发明申请
    • Impulse Radio Communication Device
    • 脉冲无线电通信设备
    • US20080267324A1
    • 2008-10-30
    • US11569133
    • 2006-03-08
    • Masahiro MimuraKazuaki TakahashiSuguru FujitaYoshinori KuniedaNoriyuki Ueki
    • Masahiro MimuraKazuaki TakahashiSuguru FujitaYoshinori KuniedaNoriyuki Ueki
    • H04L27/06H04L7/00
    • H04B1/7183H04B1/7163
    • An impulse radio communication device includes a wave detector for generating a detected signal, a switching section for selecting either a received signal or the detected signal in accordance with an external control signal and outputting it as a demodulation target signal, a reference waveform generating section synchronized with the demodulation target signal and generating a reference waveform signal having a different waveform in accordance with the external control signal, a demodulator for generating a demodulated signal from the demodulation target signal in accordance with the reference waveform signal, and a decoding section for decoding received data from the demodulated signal. This impulse radio communication device switches the demodulation target signal and the reference waveform signal simultaneously in accordance with a receiving and synchronizing state. This makes it difficult that synchronization is pulled in a correlation position having low electric power, and can reduce a acquisition time.
    • 脉冲无线电通信装置包括用于产生检测信号的波检测器,用于根据外部控制信号选择接收信号或检测信号并将其输出作为解调目标信号的切换部分,基准波形产生部分同步 利用解调对象信号,根据外部控制信号生成具有不同波形的参考波形信号;解调器,用于根据参考波形信号从解调目标信号产生解调信号;以及解码部分,用于解码接收 来自解调信号的数据。 该脉冲无线电通信装置根据接收和同步状态同时切换解调目标信号和参考波形信号。 这使得难以在具有低功率的相关位置中拉出同步,并且可以减少采集时间。
    • 4. 发明授权
    • Quadrature demodulator
    • 正交解调器
    • US5426669A
    • 1995-06-20
    • US077586
    • 1993-06-17
    • Yuuri YamamotoKenichi TakahashiHiroshi OhnishiYoshinori KuniedaNaoki Matsubara
    • Yuuri YamamotoKenichi TakahashiHiroshi OhnishiYoshinori KuniedaNaoki Matsubara
    • H04L7/033H04L27/233H03D3/18H04L27/06
    • H04L7/0334H04L27/2332
    • A quadrature demodulator includes a device for generating first and second reference signals having a quadrature relation with each other. A first demodulating device serves to compare phases of the first reference signal and an input modulated signal to demodulate the input modulated signal into a first binary baseband signal. A second demodulating device serves to compare phases of the second reference signal and the input modulated signal to demodulate the input modulated signal into a second binary baseband signal having a quadrature relation with the first baseband signal. A first counting device operates to count pulses of a clock signal in response to the first baseband signal. A second counting device operates to count pulses of the clock signal in response to the second baseband signal. An address signal is generated in response to the output signals of the first and second counting devices. Data representative of an absolute phase of the input modulated signal is generated in response to the address signal.
    • 正交解调器包括用于产生彼此具有正交关系的第一和第二参考信号的装置。 第一解调装置用于比较第一参考信号和输入调制信号的相位,以将输入的调制信号解调为第一二进制基带信号。 第二解调装置用于比较第二参考信号和输入调制信号的相位,以将输入调制信号解调成与第一基带信号具有正交关系的第二二进制基带信号。 第一计数装置用于响应于第一基带信号来计数时钟信号的脉冲。 第二计数装置用于响应于第二基带信号对时钟信号的脉冲进行计数。 响应于第一和第二计数装置的输出信号产生地址信号。 响应于地址信号产生表示输入调制信号的绝对相位的数据。
    • 5. 发明授权
    • Radio communication device and radio communication method
    • 无线电通信设备和无线电通信方法
    • US08265206B2
    • 2012-09-11
    • US12667579
    • 2008-07-03
    • Hirohito MukaiHidekuni YomoKiyotaka KobayashiYoshinori Kunieda
    • Hirohito MukaiHidekuni YomoKiyotaka KobayashiYoshinori Kunieda
    • H04L27/08
    • H04L1/0048H04L1/0025H04L1/005H04L1/06H04L25/0204H04L25/0224H04L25/03006H04L25/03171
    • A radio receiver which performs iterative decoding of a received signal is provided. The radio receiver comprises: a receiving unit receiving a signal on a symbol-by-symbol basis; a demodulation unit (303) demodulating the received signal; a last symbol timing generation unit (308) generating a last symbol timing signal on the basis of the signal demodulated by the demodulation unit (303); a modulation unit (304) modulating the signal demodulated by the demodulation unit (303); and a cancellation unit (306) cancelling an interference component of the received signal using a replica signal generated on the basis of the signal modulated by the modulation unit (304). The modulation unit (304) controls the timing of rearrangement of a data sequence on the basis of the timing of the last symbol. Thus, a radio receiver in which the receiving processing time is reduced can be provided.
    • 提供对接收信号执行迭代解码的无线电接收机。 无线电接收机包括:接收单元,以符号为单位接收信号; 解调单元(303),对接收到的信号进行解调; 最后符号定时生成单元,基于由解调单元解调的信号生成最后的符号定时信号; 调制单元(304),调制由解调单元(303)解调的信号; 以及消除单元(306),使用基于由调制单元(304)调制的信号生成的复制信号来消除接收信号的干扰分量。 调制单元(304)基于最后一个符号的定时来控制数据序列的重排的定时。 因此,可以提供其中接收处理时间减少的无线电接收机。
    • 8. 发明授权
    • Impulse radio communication device
    • 脉冲无线电通信设备
    • US07630460B2
    • 2009-12-08
    • US11569133
    • 2006-03-08
    • Masahiro MimuraKazuaki TakahashiSuguru FujitaYoshinori KuniedaNoriyuki Ueki
    • Masahiro MimuraKazuaki TakahashiSuguru FujitaYoshinori KuniedaNoriyuki Ueki
    • H04L27/06
    • H04B1/7183H04B1/7163
    • An impulse radio communication device includes a wave detector for generating a detected signal, a switching section for selecting either a received signal or the detected signal in accordance with an external control signal and outputting it as a demodulation target signal, a reference waveform generating section synchronized with the demodulation target signal and generating a reference waveform signal having a different waveform in accordance with the external control signal, a demodulator for generating a demodulated signal from the demodulation target signal in accordance with the reference waveform signal, and a decoding section for decoding received data from the demodulated signal. This impulse radio communication device switches the demodulation target signal and the reference waveform signal simultaneously in accordance with a receiving and synchronizing state. This makes it difficult that synchronization is pulled in a correlation position having low electric power, and can reduce a acquisition time.
    • 脉冲无线电通信装置包括用于产生检测信号的波检测器,用于根据外部控制信号选择接收信号或检测信号并将其输出作为解调目标信号的切换部分,基准波形产生部分同步 利用解调对象信号,根据外部控制信号生成具有不同波形的参考波形信号;解调器,用于根据参考波形信号从解调目标信号产生解调信号;以及解码部分,用于解码接收 来自解调信号的数据。 该脉冲无线电通信装置根据接收和同步状态同时切换解调目标信号和参考波形信号。 这使得难以在具有低功率的相关位置中拉出同步,并且可以减少采集时间。