Pilot transmitting apparatus and method for SC-FDMA system
    3.
    发明授权
    Pilot transmitting apparatus and method for SC-FDMA system 有权
    SC-FDMA系统的导频发射装置及方法

    公开(公告)号:US09071391B2

    公开(公告)日:2015-06-30

    申请号:US12514406

    申请日:2007-10-30

    摘要: Provided are a pilot transmitting apparatus and method capable of selectively using an OFDMA scheme and an SC-FDMA scheme. The pilot transmitting apparatus includes a pilot inserter for inserting a pilot signal in a modulated symbol and inserting a cyclic prefix code for the inserted pilot signal, an FFT processor for receiving symbols with a pilot inserted thereto from the pilot inserter and performing an FFT process on the received symbols, an IFFT processor for receiving the transformed data from the FFT processor and performing an IFFT process on the transformed data, a mapping processor for mapping the output of the FFT processor to input positions of the IFFT processor to load the frequency domain transformed data on predetermined sub-carriers, and a cyclic prefix inserter for inserting a cyclic prefix code for the output of the IFFT processor.

    摘要翻译: 提供能够选择性地使用OFDMA方案和SC-FDMA方案的导频发送装置和方法。 导频发送装置包括:导频插入器,用于将调制符号中的导频信号插入并插入用于插入的导频信号的循环前缀码; FFT处理器,用于从导频插入器插入导频的导频接收符号,并对 接收的符号,用于从FFT处理器接收经变换的数据并对变换的数据执行IFFT处理的IFFT处理器,用于将FFT处理器的输出映射到IFFT处理器的输入位置以加载变频的域的映射处理器 关于预定子载波的数据,以及用于插入用于IFFT处理器的输出的循环前缀码的循环前缀插入器。

    Multi-link wireless channel sounder and multi-link wireless channel measurement method thereof
    4.
    发明授权
    Multi-link wireless channel sounder and multi-link wireless channel measurement method thereof 有权
    多链路无线信道探测器及其多链路无线信道测量方法

    公开(公告)号:US09031147B2

    公开(公告)日:2015-05-12

    申请号:US13333728

    申请日:2011-12-21

    摘要: A multi-link wireless channel sounder is provided. The multi-link wireless channel sounder includes a multi-input multi-output (MIMO) antenna unit, a transmitter (TX) signal processing unit configured to transmit via the MIMO antennas one or more TX wireless channel signals to be transmitted via a wireless channel, a receiver (RX) signal processing unit configured to receive and process one or more RX wireless channel signals that are received from multiple links via the MIMO antenna unit, and a control unit configured to receive an operation mode selection signal that indicates a TX mode or an RX mode from a user and to control the TX signal processing unit or the RX signal processing unit to operate selectively in accordance with the operation mode selection signal.

    摘要翻译: 提供多链路无线通道发声器。 多链路无线信道发声器包括多输入多输出(MIMO)天线单元,发射机(TX)信号处理单元,被配置为经由MIMO天线发射一个或多个TX无线信道信号,以经由无线信道 接收器(RX)信号处理单元,被配置为经由MIMO天线单元接收和处理从多个链路接收的一个或多个RX无线信道信号;以及控制单元,被配置为接收指示TX模式的操作模式选择信号 或RX模式,并且控制TX信号处理单元或RX信号处理单元根据操作模式选择信号选择性地进行操作。

    DIGITAL PRE-DISTORTION DEVICE AND PRE-DISTORTION METHOD THEREOF
    7.
    发明申请
    DIGITAL PRE-DISTORTION DEVICE AND PRE-DISTORTION METHOD THEREOF 审中-公开
    数字预失真装置及其预失真方法

    公开(公告)号:US20130147538A1

    公开(公告)日:2013-06-13

    申请号:US13560040

    申请日:2012-07-27

    IPC分类号: G06F7/48 G06F7/556

    摘要: Disclosed is a digital pre-distortion device which includes a pre-compensation lookup table which outputs a first input value and a second input value adjacent to an input signal, a first distortion value corresponding to the first input value, and a second distortion value corresponding to the second input value; and a function generator which generates a pre-distortion function based on the first and second input values and the first and second distortion values and generates a pre-distortion value corresponding to the input signal from the pre-distortion function.

    摘要翻译: 公开了一种数字预失真装置,其包括预补偿查找表,其输出与输入信号相邻的第一输入值和第二输入值,对应于第一输入值的第一失真值和对应于第一输入值的第二失真值 到第二个输入值; 以及函数发生器,其基于第一和第二输入值以及第一和第二失真值产生预失真函数,并且产生与来自预失真函数的输入信号相对应的预失真值。

    Transmission/reception apparatus and method for frame including protocol version in ultra wideband system
    8.
    发明授权
    Transmission/reception apparatus and method for frame including protocol version in ultra wideband system 有权
    在超宽带系统中包括协议版本的帧的发送/接收装置和方法

    公开(公告)号:US08462720B2

    公开(公告)日:2013-06-11

    申请号:US12858860

    申请日:2010-08-18

    IPC分类号: H04W4/00

    CPC分类号: H04W28/06 H04W72/042

    摘要: Provided is a transmission/reception apparatus and method for transmitting a frame in an ultra wideband radio communication system, which may enable a protocol version to be included in a fixed-length physical layer protocol (PHY) header so that interaction between systems using different protocol versions may be realized, and may enable information about a modulation and coding scheme to be included in a variable-length PHY header to thereby overcome a decoding delay problem occurring due to a Reed Solomon code.

    摘要翻译: 提供了一种用于在超宽带无线电通信系统中发送帧的发送/接收装置和方法,其可以使协议版本能够被包括在固定长度物理层协议(PHY)报头中,使得使用不同协议的系统之间的交互 可以实现版本,并且可以使关于调制和编码方案的信息可以被包括在可变长度的PHY报头中,从而克服由于里德所罗门码引起的解码延迟问题。

    Transmitter/receiver for controlling multiuser multiple input multiple output system and method thereof
    9.
    发明授权
    Transmitter/receiver for controlling multiuser multiple input multiple output system and method thereof 有权
    用于控制多用户多输入多输出系统的发射机/接收机及其方法

    公开(公告)号:US08416876B2

    公开(公告)日:2013-04-09

    申请号:US12664598

    申请日:2008-06-13

    IPC分类号: H04B7/02

    摘要: Provided are a method of controlling a multi-user multiple input multiple output (MIMO) system and a transmitter/receiver used in the method. In the method, it can be determined whether feedback information is fed back according to the feedback information type rather than being indiscriminately provided to a transmitter, and then only a necessary feedback information type is transmitted, thereby increasing system capacity while reducing feedback load.

    摘要翻译: 提供了一种控制多用户多输入多输出(MIMO)系统和在该方法中使用的发射机/接收机的方法。 在该方法中,可以根据反馈信息类型确定反馈信息是否反馈,而不是不加选择地提供给发送器,然后仅传送必要的反馈信息类型,从而在减少反馈负载的同时增加系统容量。