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    Tonal rotors
    31.
    发明申请
    Tonal rotors 有权
    音调转子

    公开(公告)号：US20060259535A1

    公开(公告)日：2006-11-16

    申请号：US11284692

    申请日：2005-11-22

    Applicant: John Cioffi ,  Iker Almandoz ,  Georgios Ginis

    Inventor： John Cioffi ,  Iker Almandoz ,  Georgios Ginis

    IPC: G06F7/52

    CPC classification number: H04L5/023 ,  G06F17/16 ,  H04L25/0246 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/0349

    Abstract: A set of complex rotations are used to implement a unitary “Q” matrix that can arise in various transmitters and/or receivers in communication line vectoring. Each complex rotation is a set of real rotations, where the minimum number of real rotations to perform the complex rotation is three, and where the minimum number of angles to characterize the real rotations is two. An order of rotations is also provided. The invention assists in the efficient implementation of any unitary “Q” matrix in a QR or other sophisticated matrix factorization. A complex form of the so-called “Givens” implementation of the Q matrix is characterized in terms of a sequence of complex rotations that can implemented using a complex rotor computational unit that accepts a minimum of two real angles and a pair of integer indices for each of a set of successive complex rotor calculations and then implements the complex rotation as a series of a minimum of three real rotations with one real angle used twice and the other real angle used once, providing two complex outputs (that is, two rotated data entries from a data vector comprising indexed communication data) for two complex inputs (two original data entries from a data vector comprising indexed communication data). The index-angle sets for each successive rotation can be provided by a complex rotor calculation unit, which may be collocated with the complex rotor computational unit, located in a controller such as a DSL optimizer, or located in any other suitable device or apparatus that has performed the QR factorization upon supplied matrix MIMO transfer functions for the vectored channel.

    Abstract translation: 一组复杂的旋转被用于实现通信线路矢量化中可能出现在各种发射机和/或接收机中的单一的“Q”矩阵。 每个复合旋转是一组实际旋转，其中执行复数旋转的最小真实旋转数为3，并且其中表示真实旋转的最小角度数为2。 还提供了旋转顺序。 本发明有助于在QR或其他复杂矩阵因子分解中有效实现任何单一“Q”矩阵。 Q矩阵的所谓“Givens”实现的复杂形式的特征在于可以使用接收最小两个实角的复数转子计算单元和一对整数指数来实现的复数旋转序列 每个一组连续的复数转子计算，然后将复数旋转实现为一系列最小三个实际旋转，一个实际角度使用两次，另一个实际角度使用一次，提供两个复数输出（即两个旋转数据 来自包括索引的通信数据的数据向量的条目）用于两个复合输入（包括索引的通信数据的数据向量的两个原始数据条目）。 可以由复数转子计算单元提供每个连续旋转的分度角设置，复数转子计算单元可以与位于诸如DSL优化器的控制器中的复合转子计算单元并置，或位于任何其他合适的装置或装置中， 已经为矢量通道提供的矩阵MIMO传递函数执行了QR因式分解。

    DSL data collection system
    32.
    发明申请
    DSL data collection system 失效

    公开(公告)号：US20060039486A1

    公开(公告)日：2006-02-23

    申请号：US10919620

    申请日：2004-08-17

    Applicant: Wonjong Rhee ,  John Cioffi

    Inventor： Wonjong Rhee ,  John Cioffi

    IPC: H04M11/00 ,  H04K1/10

    CPC classification number: H04M11/062 ,  H04L12/2856 ,  H04L41/0213 ,  H04L41/0803 ,  H04L41/0853 ,  H04L41/32 ,  H04L2012/6478 ,  H04M3/229

    Abstract: Information is sent by a DSL system component using a non-disruptive operational data parameter. One or more bits of the non-disruptive operational data parameter are used to send other information. In some instances the selected parameter will be an unused parameter, such as an unused fast operational mode or interleaved operational mode parameter used to report operational data in a DSL system. In one embodiment of the invention, a remote modem provides a unique equipment identifier that can be paired with the telephone number on which the modem is operating. Verification of and/or searching for the correct pairing of telephone number and unique equipment identifier can be performed as well.

    Interference cancellation system
    33.
    发明申请
    Interference cancellation system 有权

    公开(公告)号：US20060039454A1

    公开(公告)日：2006-02-23

    申请号：US10922705

    申请日：2004-08-20

    Applicant: John Cioffi

    Inventor： John Cioffi

    IPC: H04B1/38

    CPC classification number: H04L25/10 ,  H04B1/126 ,  H04B3/32 ,  H04L27/2647 ,  H04M3/304 ,  H04M3/34

    Abstract: A DSL or other communication system includes a modem or other communication device having at least one antenna that is configured to collect interference data relating to interference noise affecting communication signals being received by the communication device. The interference may include RF interference, such as AM radio interference, crosstalk and other types of interference from various sources. The interference data collected by the antenna is used by an interference canceller to remove and/or cancel some or all of the interference affecting received signals. In some embodiments of the present invention, more than one antenna may be used, wherein each antenna can collect interference data pertaining to a single source of interference noise. Where a modem or other communication device is coupled to multiple telephone lines, only one of which is being used as the active DSL line, wires in the remaining telephone lines or loops can be used as antennas. Moreover, the antenna may be an antenna, per se, such as a compact AM radio antenna or any other suitable structure or device for collecting the type(s) of interference affecting signals received by the communication device.

    Dynamic digital communication system control
    38.
    发明申请
    Dynamic digital communication system control 有权
    动态数字通信系统控制

    公开(公告)号：US20070081582A1

    公开(公告)日：2007-04-12

    申请号：US11636316

    申请日：2006-12-08

    Applicant: Georgios Ginis ,  Wei Yu ,  Chaohuang Zeng ,  John Cioffi

    Inventor： Georgios Ginis ,  Wei Yu ,  Chaohuang Zeng ,  John Cioffi

    IPC: H04L5/16

    CPC classification number: H04B1/1081 ,  H04B1/10 ,  H04B1/1027 ,  H04B3/32 ,  H04B3/46 ,  H04B3/466 ,  H04B3/487 ,  H04B15/00 ,  H04B2001/1045 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0046 ,  H04L5/006 ,  H04L5/0094 ,  H04L7/0016 ,  H04L27/2608 ,  H04M11/062

    Abstract: Control of a digital communication system having a plurality of communication lines on which signals are transmitted and received is implemented using a variety of methods and systems. According to one embodiment of the present invention, a method is implemented where the signals are affected by interference during transmission and each of the communication lines has at least one transmitter and at least one receiver. A model is created of the interference characteristics due to the signals carried on the communication lines. Interference characteristics for a line are determined based on the model and actual signals carried on other communication lines different from the line for which the characteristics are being determined. Actual interference is compensated for on the communication line using the determined interference characteristics.

    Abstract translation: 使用各种方法和系统来实现具有多个发送和接收信号的通信线路的数字通信系统的控制。 根据本发明的一个实施例，实现了一种方法，其中信号受传输期间的干扰的影响，并且每个通信线路具有至少一个发射机和至少一个接收机。 由于在通信线路上携带的信号，造成干扰特性的模型。 线路的干扰特性是基于与其特性被确定的线路不同的其他通信线路上承载的模型和实际信号来确定的。 使用确定的干扰特性在通信线路上补偿实际干扰。

    Self-learning and self-adjusting DSL system
    39.
    发明申请
    Self-learning and self-adjusting DSL system 有权
    自学习和自调整DSL系统

    公开(公告)号：US20070036339A1

    公开(公告)日：2007-02-15

    申请号：US11341969

    申请日：2006-01-28

    Applicant: John Cioffi ,  Wonjong Rhee ,  Bin Lee ,  Iker Almandoz ,  Georgios Ginis

    Inventor： John Cioffi ,  Wonjong Rhee ,  Bin Lee ,  Iker Almandoz ,  Georgios Ginis

    IPC: H04M1/00

    CPC classification number: H04M3/247 ,  H04M3/304 ,  H04M11/062 ,  H04M2201/12 ,  H04M2201/36

    Abstract: A self-learning and/or self-adjusting communication controller and/or optimizer uses operational data collected from a communication system to adjust operation of the communication system to changing operational, environmental, etc. conditions and, in some embodiments, to customize operation of the communication system's lines and components so that their performance can be controlled, improved and/or optimized. In various embodiments, operational parameters and/or rules are established and/or adjusted based on information obtained from the system concerning the system's operation; information regarding margins used by a DSL system and code violation counts reported by the DSL system are used to set margin levels for one or more line sets (each line set including an individual line, a group of lines, a binder, etc.) and/or other users and/or components of the DSL system; and, the controller and/or optimizer forces a small number of test lines into as yet unexperienced and/or unimplemented operational conditions so that new knowledge can be obtained.

    Abstract translation: 自学习和/或自调整通信控制器和/或优化器使用从通信系统收集的操作数据来调整通信系统的操作以改变操作，环境等条件，并且在一些实施例中，定制操作 通信系统的线路和组件，使其性能得到控制，改进和/或优化。 在各种实施例中，基于从系统获得的关于系统操作的信息建立和/或调整操作参数和/或规则; 关于DSL系统使用的边距和DSL系统报告的代码违规计数的信息用于设置一个或多个线路组（每个线路组，包括单线，一组线路，绑带等）的边缘水平，以及 /或DSL系统的其他用户和/或组件; 并且，控制器和/或优化器迫使少数测试线进入尚未经验和/或未实现的操作条件，从而可以获得新的知识。

    Tonal precoding
    40.
    发明申请
    Tonal precoding 有权

    公开(公告)号：US20060274825A1

    公开(公告)日：2006-12-07

    申请号：US11336666

    申请日：2006-01-20

    Applicant: John Cioffi ,  Wonjong Rhee ,  Georgios Ginis

    Inventor： John Cioffi ,  Wonjong Rhee ,  Georgios Ginis

    IPC: H04L5/16 ,  H04L27/00

    CPC classification number: H04L25/03343 ,  H04L2025/03414

    Abstract: Precoding mitigates or removes interference signals (especially crosstalk) among multiple users with interconnected transmitters in vectored DSL systems and the like. Efficient implementation is provided of the R matrix in RQ factorization that characterizes multi-user downstream vector channels (such as DMT VDSL one-sided or two-sided transmission channels). A set of precoder coefficients can vary with each tone used by each user and depend upon the encoding order of users selected for each tone. In adaptive operation, the coefficients of the R and Q matrices can be updated when changes occur to the transmission environment. Variable modulo arithmetic mitigates the power-enhancement problem, and the base of modular arithmetic also can vary with each user within a single precoder for a single tone. The user order of preceding need not be the same on each tone, and the modular arithmetic progression may thus also be different on each tone because multi-user situations create an unusual situation for precoding in that the modulo arithmetic used for each user can be different (thus imposing a larger power increase) and because digital duplexed or synchronized DMT systems can separately implement a precoder for each tone. Further, the precoding process terminates each DMT symbol, after processing up to the total number of users. An optional dither signal, known to both transmitter and receiver, can be added at the transmit side and removed at the receiver side to smooth the precoding process and ensure that aberrations in the transmitted constellation size and characteristics are consistent despite any unusual variations in the feedback signal that exits the feedback filter matrix G before being subtracted from the user signal of interest. Some embodiments use a “subtraction only” mode while other embodiments use a dither signal and/or modulo arithmetic, though embodiments of the present invention do not require use of identical constellations by both transmitter and receiver.

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