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    • 1. 发明申请
    • JOINT SIGNAL PROCESSING ACROSS A PLURALITY OF LINE TERMINATION CARDS
    • 联合信号处理通过一系列线路终端卡
    • WO2010149498A1
    • 2010-12-29
    • PCT/EP2010/058125
    • 2010-06-10
    • ALCATEL LUCENTCHOW, HungkeiDE LIND VAN WIJNGAARDEN, AdriaanPEETERS, MichaelVANDERHAEGEN, Dirk
    • CHOW, HungkeiDE LIND VAN WIJNGAARDEN, AdriaanPEETERS, MichaelVANDERHAEGEN, Dirk
    • H04L5/00H04M11/06
    • H04M11/062H04B3/32H04L25/03343H04L2025/03426
    • The present invention relates to a line termination card (1) for connecting subscriber devices through subscriber lines. in accordance with a first embodiment of the invention, the line termination card comprises: - a data output terminal (10 1 ; 10 M ) for outputting a data sequence (s 1,t ; s M,t ), - a vectoring entity (20) for parsing and encoding the data sequence into frequency samples according to a carrier loading parameter (CL 1 ; CL M ), for scaling the frequency samples into scaled frequency samples (Z 1, t, k ; Z M, t, k ) according to a carrier scaling parameter (CS 1 ; CS M ), and for processing the scaled frequency samples for crosstalk compensation, - a controller (30) for adjusting the carrier loading parameter and the carrier scaling parameter. - a forwarder (40) coupled to the data output terminal and to the controller for forwarding the data sequence, the carrier loading parameter and the carrier scaling parameter towards a further line termination card (1'). The present invention also relates to an access node comprising such a line termination card, and to a method for connecting subscriber devices through subscriber lines.
    • 本发明涉及一种用于通过用户线连接用户设备的线路终端卡(1)。 根据本发明的第一实施例,线路终端卡包括: - 用于输出数据序列(s1,t; sM,t)的数据输出终端(101; 10M), - 用于解析的向量实体(20) 根据载波负载参数(CL1; CLM)将数据序列编码为频率样本,用于根据载波缩放参数(CS1)将频率样本缩放为缩放频率样本(Z1,t,k; ZM,t,k) ; CSM),并且用于处理用于串扰补偿的缩放频率样本, - 用于调整载波负载参数和载波缩放参数的控制器(30)。 - 耦合到所述数据输出端和所述控制器的转发器(40),用于将所述数据序列,所述载波加载参数和所述载波缩放参数转发到另一线路终端卡(1')。 本发明还涉及一种包括这种线路终端卡的接入节点,以及一种通过用户线路连接用户设备的方法。
    • 3. 发明申请
    • CROSSTALK EMULATOR FOR XDSL CABLE
    • 用于XDSL电缆的CROSSTALK仿真器
    • WO2012072455A1
    • 2012-06-07
    • PCT/EP2011/070747
    • 2011-11-23
    • ALCATEL LUCENTVANDERHAEGEN, DirkHILLAERT, BartTROCH, Wim
    • VANDERHAEGEN, DirkHILLAERT, BartTROCH, Wim
    • H04B3/32H04B3/46H05K1/02
    • G06F11/3652H04B3/32H04B3/487
    • A crosstalk emulator for a cable, preferably a xDSL telecommunication cable, represented by several emulation paths each comprising a first segment (L1a/L4a) serially connected to a second segment (L1b /L4b) on a printed circuit board PCB. The first and second segments of a same emulation path form an angle, e.g. of about 90 degrees, at their junction point. All the emulation paths have a same length and preferably run in parallel over the PCB. As a result, each emulation path crosses only once (X21) any other emulation path at a cross-point. Furthermore, the area occupied by the crosstalk emulator on the PCB is reduced with respect to a matrix topology, whereby the present topology can easily be extended to large numbers of couplings, allowing design guidance for a passive coupling emulator with a large amount of coupling elements (CP) at the cross-points.
    • 一种用于电缆,优选xDSL通信电缆的串扰仿真器,由多个仿真路径表示,每个仿真路径包括串行连接到印刷电路板PCB上的第二段(L1b / L4b)的第一段(L1a / L4a)。 相同仿真路径的第一和第二段形成一个角度,例如。 约90度,在它们的交界处。 所有仿真路径具有相同的长度,优选在PCB上并行运行。 因此,每个仿真路径在交叉点仅跨越一次(X21)任何其他仿真路径。 此外,PCB上的串扰仿真器占用的面积相对于矩阵拓扑减少,从而本发明的拓扑可以容易地扩展到大量耦合,从而允许具有大量耦合元件的无源耦合仿真器的设计指导 (CP)在交叉点。
    • 5. 发明申请
    • POWER ADAPTATION AVOIDANCE DURING CROSSTALK MEASUREMENTS
    • 电力适配期间的电力适配措施
    • WO2013041328A1
    • 2013-03-28
    • PCT/EP2012/066603
    • 2012-08-27
    • ALCATEL LUCENTVERLINDEN, JanVANDERHAEGEN, Dirk
    • VERLINDEN, JanVANDERHAEGEN, Dirk
    • H04B3/46H04M3/34
    • H04L25/03305H04B3/487H04L25/0328H04L25/085H04L27/2691H04M3/34
    • The present invention relates to an access node (100) for connecting subscriber devices (200) through a loop plant (300). In accordance with a first aspect of the invention, the access node comprises a vectoring control unit (130) for estimating crosstalk coefficients (H' i , j,k ) between a set of subscriber lines (L1 to LN) based on crosstalk measurements (E i.k1.D1 ) carried out over the set of subscriber lines during a crosstalk measurement phase (XT_MEAS_DS), and a vectoring processing unit (120) for jointly processing, for crosstalk mitigation, signals to be transmitted over, or received from, the set of subscriber lines based on the estimated crosstalk coefficients. The access node further comprises a controller (140) configured to either postpone the execution of power adaptation over a particular line (L1) out of the set of subscriber lines after the completion of the crosstalk measurement phase, or to postpone the crosstalk measurement phase after the completion of power adaptation over the particular line. The present invention also relates to a method for connecting subscriber devices (200) through a loop plant (300), and to a subscriber device (200 1 ) for connecting to an access node (100) through a subscriber line (L1).
    • 接入节点(100)本发明涉及通过环路设备(300)连接用户设备(200)的接入节点(100)。 根据本发明的第一方面,接入节点包括矢量控制单元(130),用于基于串扰测量来估计一组用户线路(L1至LN)之间的串扰系数(H'i,j,k) 在串扰测量阶段(XT_MEAS_DS)期间在所述一组用户线路上执行的Ei.k1.D1)以及用于联合处理串扰减轻的信号的矢量处理单元(120),所述信号将被发送或接收 基于估计的串扰系数的一组用户线路。 接入节点还包括控制器(140),其被配置为在串扰测量阶段完成之后推迟在用户线路组之外的特定线路(L1)上的功率自适应的执行,或者延迟串扰测量阶段之后的串扰测量阶段 完成电力适应特定线路。 本发明还涉及一种通过环路设备(300)和用户设备(2001)连接用户设备(200)的方法,用于通过用户线路(L1)连接到接入节点(100)。