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    System and method for improving spectral efficiency and profiling of crosstalk noise in synchronized multi user multi-carrier communications
    1.
    发明授权
    System and method for improving spectral efficiency and profiling of crosstalk noise in synchronized multi user multi-carrier communications 有权
    同步多用户多载波通信中提高频谱效率和串扰噪声分析的系统和方法

    公开(公告)号：US08891638B2

    公开(公告)日：2014-11-18

    申请号：US13368810

    申请日：2012-02-08

    申请人： Julien Pons ,  Laurent Alloin ,  Laurent Pierrugues

    发明人： Julien Pons ,  Laurent Alloin ,  Laurent Pierrugues

    IPC分类号： H04K1/10 ,  H04B17/00 ,  H04B3/46

    CPC分类号： H04B17/0055 ,  H04B3/487 ,  H04B17/345

    摘要： A system, method, and a computer readable medium having instructions thereupon for synchronized multi-user multi-carrier communications are provided. For example, a synchronized multi-user multi-carrier communication system includes a transmitter, a receiver communicatively coupled to the transmitter via a plurality of communication channels associated with multiple users, and a computing device, coupled to at least one of the transmitter and the receiver, comprising a memory device in communication with one or more processors. The one or more processors are configured to obtain noise samples for the plurality of communication channels, determine a coupling between carriers on the plurality of communication channels, determine a noise model for a carrier based upon the noise samples and the determined coupling, and store the noise model in the memory device.

    摘要翻译： 提供了一种系统，方法和一种其上具有用于同步的多用户多载波通信的指令的计算机可读介质。 例如，同步的多用户多载波通信系统包括发射机，通过与多个用户相关联的多个通信信道通信地耦合到发射机的接收机以及耦合到发射机和 接收机，包括与一个或多个处理器通信的存储器设备。 一个或多个处理器被配置为获得多个通信信道的噪声样本，确定多个通信信道上的载波之间的耦合，基于噪声样本和所确定的耦合来确定载波的噪声模型，并存储 内存设备中的噪声模型。

    SYSTEM AND METHOD FOR IMPROVING SPECTRAL EFFICIENCY AND PROFILING OF CROSSTALK NOISE IN SYNCHRONIZED MULTI USER MULTI-CARRIER COMMUNICATIONS
    2.
    发明申请
    SYSTEM AND METHOD FOR IMPROVING SPECTRAL EFFICIENCY AND PROFILING OF CROSSTALK NOISE IN SYNCHRONIZED MULTI USER MULTI-CARRIER COMMUNICATIONS 有权
    同步多用户通信中提高频率效率和波形噪声分析的系统与方法

    公开(公告)号：US20120201286A1

    公开(公告)日：2012-08-09

    申请号：US13368810

    申请日：2012-02-08

    申请人： Julien Pons ,  Laurent Alloin ,  Laurent Pierrugues

    发明人： Julien Pons ,  Laurent Alloin ,  Laurent Pierrugues

    IPC分类号： H04B17/00

    CPC分类号： H04B17/0055 ,  H04B3/487 ,  H04B17/345

    摘要： A system, method, and a computer readable medium having instructions thereupon for synchronized multi-user multi-carrier communications are provided. For example, a synchronized multi-user multi-carrier communication system includes a transmitter, a receiver communicatively coupled to the transmitter via a plurality of communication channels associated with multiple users, and a computing device, coupled to at least one of the transmitter and the receiver, comprising a memory device in communication with one or more processors. The one or more processors are configured to obtain noise samples for the plurality of communication channels, determine a coupling between carriers on the plurality of communication channels, determine a noise model for a carrier based upon the noise samples and the determined coupling, and store the noise model in the memory device.

    摘要翻译： 提供了一种系统，方法和一种其上具有用于同步的多用户多载波通信的指令的计算机可读介质。 例如，同步的多用户多载波通信系统包括发射机，通过与多个用户相关联的多个通信信道通信地耦合到发射机的接收机以及耦合到发射机和 接收机，包括与一个或多个处理器通信的存储器设备。 一个或多个处理器被配置为获得多个通信信道的噪声样本，确定多个通信信道上的载波之间的耦合，基于噪声样本和所确定的耦合来确定载波的噪声模型，并存储 内存设备中的噪声模型。

    Hierarchical Trellis Coded Modulation
    3.
    发明申请
    Hierarchical Trellis Coded Modulation 有权
    分层网格编码调制

    公开(公告)号：US20100017678A1

    公开(公告)日：2010-01-21

    申请号：US12565939

    申请日：2009-09-24

    申请人： Julien Pons ,  Patrick Duvaut ,  Oliver Moreno ,  Laurent Pierrugues

    发明人： Julien Pons ,  Patrick Duvaut ,  Oliver Moreno ,  Laurent Pierrugues

    IPC分类号： H03M13/05 ,  G06F11/10

    CPC分类号： H04L1/006 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0066 ,  H04L1/007 ,  H04L1/208 ,  H04L27/3416

    摘要： A system and method for encoding information is disclosed. In one embodiment, information is encoded using a high protection code for the least significant bit and a low protection code for the next three most significant bits. The remaining bits are uncoded. The high protection code may be a turbo code and the low protection code may be a trellis coded modulation code. In this embodiment, the collection of bits is then mapped according to a diagonally shifted QAM constellation technique.

    摘要翻译： 公开了一种用于编码信息的系统和方法。 在一个实施例中，使用用于最低有效位的高保护码和下一个三个最高有效位的低保护码对信息进行编码。 其余位未编码。 高保护码可以是turbo码，低保护码可以是网格编码调制码。 在该实施例中，然后根据对角位移的QAM星座图技术来映射位的采集。

    Hierarchical trellis coded modulation
    4.
    发明申请
    Hierarchical trellis coded modulation 有权
    分级网格编码调制

    公开(公告)号：US20050111565A1

    公开(公告)日：2005-05-26

    申请号：US10970718

    申请日：2004-10-22

    申请人： Julien Pons ,  Patrick Duvaut ,  Oliver Moreno ,  Laurent Pierrugues

    发明人： Julien Pons ,  Patrick Duvaut ,  Oliver Moreno ,  Laurent Pierrugues

    IPC分类号： H04L1/00 ,  H04L5/12 ,  H04L23/02 ,  H04L27/34

    CPC分类号： H04L1/006 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0066 ,  H04L1/007 ,  H04L1/208 ,  H04L27/3416

    摘要： A system and method for encoding information is disclosed. In one embodiment, information is encoded using a high protection code for the least significant bit and a low protection code for the next three most significant bits. The remaining bits are uncoded. The high protection code may be a turbo code and the low protection code may be a trellis coded modulation code. In this embodiment, the collection of bits is then mapped according to a diagonally shifted QAM constellation technique.

    摘要翻译： 公开了一种用于编码信息的系统和方法。 在一个实施例中，使用用于最低有效位的高保护码和下一个三个最高有效位的低保护码对信息进行编码。 其余位未编码。 高保护码可以是turbo码，低保护码可以是网格编码调制码。 在该实施例中，然后根据对角位移的QAM星座图技术来映射位的采集。

    Hierarchical trellis coded modulation
    6.
    发明授权
    Hierarchical trellis coded modulation 有权
    分级网格编码调制

    公开(公告)号：US07613985B2

    公开(公告)日：2009-11-03

    申请号：US10970718

    申请日：2004-10-22

    申请人： Julien Pons ,  Patrick Duvaut ,  Oliver Moreno ,  Laurent Pierrugues

    发明人： Julien Pons ,  Patrick Duvaut ,  Oliver Moreno ,  Laurent Pierrugues

    IPC分类号： H03M13/00

    CPC分类号： H04L1/006 ,  H04L1/0041 ,  H04L1/0045 ,  H04L1/0066 ,  H04L1/007 ,  H04L1/208 ,  H04L27/3416

    摘要： A system and method for encoding information is disclosed. In one embodiment, information is encoded using a high protection code for the least significant bit and a low protection code for the next three most significant bits. The remaining bits are uncoded. The high protection code may be a turbo code and the low protection code may be a trellis coded modulation code. In this embodiment, the collection of bits is then mapped according to a diagonally shifted QAM constellation technique.

    摘要翻译： 公开了一种用于编码信息的系统和方法。 在一个实施例中，使用用于最低有效位的高保护码和下一个三个最高有效位的低保护码对信息进行编码。 其余位未编码。 高保护码可以是turbo码，低保护码可以是网格编码调制码。 在该实施例中，然后根据对角位移的QAM星座图技术来映射位的采集。

    Method and system for a turbo trellis coded modulation scheme for communication systems
    8.
    发明申请
    Method and system for a turbo trellis coded modulation scheme for communication systems 有权

    公开(公告)号：US20060078062A1

    公开(公告)日：2006-04-13

    申请号：US11248224

    申请日：2005-10-13

    申请人： Julien Pons ,  Patrick Duvaut

    发明人： Julien Pons ,  Patrick Duvaut

    IPC分类号： H04L23/02

    CPC分类号： H04L27/3433 ,  H03M13/256 ,  H03M13/258 ,  H04L1/0041 ,  H04L1/005 ,  H04L1/006 ,  H04L1/0066 ,  H04L27/18 ,  H04L27/2601 ,  H04L27/2602 ,  H04L27/3405 ,  H04L27/3416 ,  H04M11/062

    摘要： Method and System for evaluating a turbo-coding scheme suitable for VDSL2 systems. The scheme is a Turbo-Trellis Coded Modulation TTCM that makes use of a Parallel Concatenated Convolutional Code (PCCC) including an inner Latin square/rectangular matrix of Random sequence pattern Interleaver (LRI) of approximately 2044 bits. In the presence of the outer Reed Solomon Code but without an outer interleaver (fast mode), the method and system provides 7.1 dB of average net coding gain, i.e., 2.6 dB of coding gain improvement relative to the standard 16 states 4-dimensional (4-D) trellis code used in current ADSL2 systems. The substantial coding gain achieved through the method and system, leads to an increase in the VDSL2 rate by 38% at 6 kft against local exchange carriers, such as ILEC (SBC) conditions with approximately 1.5 ms of latency. By encoding only two bits per tone (i.e., 1 bit per dimension), the turbo code implementation complexity is kept reasonable. Finally, the coded modulation scheme supports very small constellations, allowing transmitting spectral efficiency as low as 0.5 bit/sec/Hz over Binary Phase Shift Keying (BPSK) constellations at a signal-to-noise-ration (SNR) very close to the Shannon bound.

    Multilevel channel coding in ADSL
    10.
    发明申请
    Multilevel channel coding in ADSL 有权
    ADSL中的多级信道编码

    公开(公告)号：US20050010853A1

    公开(公告)日：2005-01-13

    申请号：US10860286

    申请日：2004-06-04

    申请人： Patrick Duvant ,  Ehud Langberg ,  Julien Pons ,  William Sholtz

    发明人： Patrick Duvant ,  Ehud Langberg ,  Julien Pons ,  William Sholtz

    IPC分类号： H03M13/25 ,  H04L1/00 ,  H03D3/22 ,  H03M13/03 ,  H04L27/22

    CPC分类号： H04L1/006 ,  H03M13/255 ,  H03M13/256 ,  H03M13/635 ,  H04L1/0041 ,  H04L1/0066 ,  H04L1/007

    摘要： Disclosed herein are various techniques for multilevel channel coding. For a given binary word comprising a plurality of bits, the least-significant bit may be encoded by a boosted coding technique, such as turbo channel coding or low density parity check (LDPC) channel coding. A subset of the remaining bits of the binary word may be encoded using trellis coded modulation (TCM) coding. The results of the boosted channel coding and the TCM coding may be mapped to one or more symbols. The one or more symbols then may be transmitted to a receiver using transmission techniques well known to those skilled in the art. The present invention finds particular benefit in digital subscriber line (DSL)-based systems in accord with the ITU G.992-1 Recommendation and similar standards.

    摘要翻译： 这里公开了用于多电平信道编码的各种技术。 对于包括多个位的给定二进制字，最低有效位可以通过诸如turbo信道编码或低密度奇偶校验（LDPC）信道编码的增强编码技术来编码。 可以使用网格编码调制（TCM）编码对二进制字的剩余位的子集进行编码。 增强的信道编码和TCM编码的结果可以映射到一个或多个符号。 然后可以使用本领域技术人员公知的传输技术将一个或多个符号发送到接收机。 本发明在符合ITU G.992-1建议书和类似标准的基于数字用户线路（DSL）的系统中特别有益。