Reducing the Feedback Overhead During Crosstalk Precoder Initialization
    1.
    发明申请
    Reducing the Feedback Overhead During Crosstalk Precoder Initialization 有权
    在串扰预编码器初始化期间减少反馈开销

    公开(公告)号:US20140233722A1

    公开(公告)日:2014-08-21

    申请号:US14263149

    申请日:2014-04-28

    Abstract: An apparatus comprising a receiver coupled to a digital subscriber line (DSL) between an exchange site and a customer premise equipment (CPE) and configured to send a feedback error message to train a precoder coupled to the exchange site, wherein the feedback error message comprises a plurality of error components and an indication of a quantity of bits per error component, a quantization accuracy per error component, or both. Included is a method comprising sending an error feedback message to a DSL crosstalk precoder to train the crosstalk precoder, wherein the error feedback message comprises an error vector and a quantization scaling factor of the error vector.

    Abstract translation: 一种装置,包括耦合到交换站点和客户驻地设备(CPE)之间的数字用户线路(DSL)的接收机,并且被配置为发送反馈错误消息以训练耦合到所述交换站点的预编码器,其中所述反馈错误消息包括 多个误差分量以及每个误差分量的比特量的指示,每个误差分量的量化精度或两者。 包括的方法包括向DSL串扰预编码器发送错误反馈消息以训练串扰预编码器,其中误差反馈消息包括误差向量和误差向量的量化缩放因子。

    Reducing the feedback overhead during crosstalk precoder initialization
    2.
    发明授权
    Reducing the feedback overhead during crosstalk precoder initialization 有权
    在串扰预编码器初始化期间减少反馈开销

    公开(公告)号:US09462116B2

    公开(公告)日:2016-10-04

    申请号:US14263149

    申请日:2014-04-28

    Abstract: An apparatus comprising a receiver coupled to a digital subscriber line (DSL) between an exchange site and a customer premise equipment (CPE) and configured to send a feedback error message to train a precoder coupled to the exchange site, wherein the feedback error message comprises a plurality of error components and an indication of a quantity of bits per error component, a quantization accuracy per error component, or both. Included is a method comprising sending an error feedback message to a DSL crosstalk precoder to train the crosstalk precoder, wherein the error feedback message comprises an error vector and a quantization scaling factor of the error vector.

    Abstract translation: 一种装置,包括耦合到交换站点和客户驻地设备(CPE)之间的数字用户线路(DSL)的接收机,并且被配置为发送反馈错误消息以训练耦合到所述交换站点的预编码器,其中所述反馈错误消息包括 多个误差分量以及每个误差分量的比特量的指示,每个误差分量的量化精度或两者。 包括的方法包括向DSL串扰预编码器发送错误反馈消息以训练串扰预编码器,其中误差反馈消息包括误差向量和误差向量的量化缩放因子。

    Pre-fill retransmission queue
    3.
    发明授权
    Pre-fill retransmission queue 有权
    预填充队列

    公开(公告)号:US09288152B2

    公开(公告)日:2016-03-15

    申请号:US14022952

    申请日:2013-09-10

    CPC classification number: H04L47/50 H04L1/1874 H04L1/188 H04L47/36

    Abstract: A method of discontinuous transmission data communication in a digital subscriber line (DSL) transceiver unit, the method comprising determining that a number of a plurality of bits available to transmit is enough to fill a data transfer unit (DTU), forming a DTU, by a DTU framer, comprising the plurality of bits, transferring the DTU to a retransmission queue, and determining the DTUs from the retransmission queue to be transmitted over a next time period used for transmitting over the DSL subscriber line by the DSL transceiver unit.

    Abstract translation: 一种在数字用户线(DSL)收发器单元中的不连续传输数据通信的方法,所述方法包括:确定可用于发送的多个比特的数量足以填充数据传输单元(DTU),形成DTU,通过 DTU成帧器,包括多个比特,将DTU传送到重发队列,以及从用于通过DSL收发器单元通过DSL用户线传输的下一个时间段来确定要重传的队列中的DTU。

    Peak-to-average power ratio (PAPR) reduction in fronthauls

    公开(公告)号:US09641373B2

    公开(公告)日:2017-05-02

    申请号:US15182362

    申请日:2016-06-14

    CPC classification number: H04L27/2623 H04L27/3411 H04L27/366

    Abstract: An apparatus comprises: a receiver port configured to receive an input signal comprising in-phase and quadrature (IQ) data and control words (CWs); a peak-to-average power (PAPR) reducer coupled to the receiver port and configured to: receive the IQ data, process the IQ data, separate the IQ data into a clipped signal and a peak signal, and determine peak information associated with the peak signal; and a transmitter port coupled to the PAPR reducer and configured to separately transmit the clipped signal and the peak information. A method comprises: receiving an input signal comprising first data and second data; processing the first data; separating the first data into a clipped signal and a peak signal; determining peak information associated with the peak signal; and transmitting the clipped signal and the peak information.

    Peak-to-Average Power Ratio (PAPR) Reduction in Fronthauls
    7.
    发明申请
    Peak-to-Average Power Ratio (PAPR) Reduction in Fronthauls 有权
    峰值功率比(PAPR)减少

    公开(公告)号:US20160373283A1

    公开(公告)日:2016-12-22

    申请号:US15182362

    申请日:2016-06-14

    CPC classification number: H04L27/2623 H04L27/3411 H04L27/366

    Abstract: An apparatus comprises: a receiver port configured to receive an input signal comprising in-phase and quadrature (IQ) data and control words (CWs); a peak-to-average power (PAPR) reducer coupled to the receiver port and configured to: receive the IQ data, process the IQ data, separate the IQ data into a clipped signal and a peak signal, and determine peak information associated with the peak signal; and a transmitter port coupled to the PAPR reducer and configured to separately transmit the clipped signal and the peak information. A method comprises: receiving an input signal comprising first data and second data; processing the first data; separating the first data into a clipped signal and a peak signal; determining peak information associated with the peak signal; and transmitting the clipped signal and the peak information.

    Abstract translation: 一种装置包括:被配置为接收包括同相和正交(IQ)数据和控制字(CW))的输入信号的接收器端口; 耦合到接收器端口的峰值平均功率(PAPR)减速器,并且被配置为:接收IQ数据,处理IQ数据,将IQ数据分离成限幅信号和峰值信号,并且确定与 峰值信号; 以及耦合到所述PAPR减速器并被配置为分别发送所述限幅信号和所述峰值信息的发送器端口。 一种方法包括:接收包括第一数据和第二数据的输入信号; 处理第一个数据; 将第一数据分离成剪切信号和峰值信号; 确定与峰值信号相关联的峰值信息; 并发送剪辑信号和峰值信息。

    Power Saving Idle Data Transmission Units
    8.
    发明申请
    Power Saving Idle Data Transmission Units 有权
    省电空闲数据传输单元

    公开(公告)号:US20150063476A1

    公开(公告)日:2015-03-05

    申请号:US14018907

    申请日:2013-09-05

    CPC classification number: H04M11/062 H04L5/0044 H04L27/34 Y02D50/44

    Abstract: A method implemented in a multicarrier transmission system, the method comprising generating a plurality of constellation points by using one or more constellation mappers to map a plurality of special data sequences for an idle data transmission unit (IDTU), wherein the plurality of special data sequences are computed prior to the mapping such that the plurality of constellation points are essentially inner constellation points, wherein each of the inner constellation points resides in a constellation diagram that corresponds to one of a plurality of subcarriers used by the IDTU, and wherein the constellation diagram comprises a number of inner constellation points and a number of outer constellation points, with the inner constellation points being closer from an origin of the constellation diagram than the outer constellation points, and transmitting the plurality of constellation points.

    Abstract translation: 一种在多载波传输系统中实现的方法,所述方法包括通过使用一个或多个星座映射器来为空闲数据传输单元(IDTU)映射多个特殊数据序列来生成多个星座点,其中所述多个特殊数据序列 在映射之前计算,使得多个星座点基本上是内部星座点,其中每个内部星座点驻留在与IDTU使用的多个子载波中的一个对应的星座图中,并且其中星座图 包括多个内部星座点和多个外部星座点,其中内部星座点比星座图更靠近星座图的原点,并且发送多个星座点。

    Method for Robust Crosstalk Precoder Training in Channels with Impulse Noise
    9.
    发明申请
    Method for Robust Crosstalk Precoder Training in Channels with Impulse Noise 有权
    用于具有脉冲噪声的通道中的鲁棒串扰预编码器训练方法

    公开(公告)号:US20130215940A1

    公开(公告)日:2013-08-22

    申请号:US13848583

    申请日:2013-03-21

    CPC classification number: H04B3/32 H04B3/487 H04L1/0026

    Abstract: An apparatus comprising a first transceiver at a central office (CO) coupled to a second transceiver at a customer premise equipment (CPE) via a digital subscriber line (DSL), a crosstalk precoder coupled to the first transceiver at the CO, and a vectoring control entity (VCE) coupled to the transceiver via a feedback channel and to the crosstalk precoder, wherein the second transceiver comprises a noise monitor configured to detect non-crosstalk noise in a downstream signal from the CO to the CPE, and wherein the first transceiver is configured to receive a predefined special feedback signal from the second transceiver that indicates whether non-crosstalk noise is detected in the downstream signal instead of a measured error value.

    Abstract translation: 一种装置,包括经由数字用户线(DSL)在客户驻地设备(CPE)处耦合到第二收发器的中心局(CO)处的第一收发器,耦合到CO处的第一收发器的串扰预编码器,以及向量 控制实体(VCE),其经由反馈信道和所述串扰预编码器耦合到所述收发器,其中所述第二收发机包括被配置为检测从所述CO到所述CPE的下行信号中的非串扰噪声的噪声监测器,并且其中所述第一收发器 被配置为从第二收发器接收预定的特殊反馈信号,其指示在下行信号中是否检测到非串扰噪声,而不是测量的误差值。

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