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    Method of Optical Data Transmission
    2.
    发明公开
    Method of Optical Data Transmission 有权
    光学数据传输方法

    公开(公告)号：EP2784951A1

    公开(公告)日：2014-10-01

    申请号：EP13305398.3

    申请日：2013-03-28

    申请人： ALCATEL LUCENT

    发明人： ZAMI, Thierry ,  VACONDIO, Francesco

    IPC分类号： H04B10/61

    CPC分类号： H04Q11/0066 ,  H04B10/613 ,  H04B10/614 ,  H04B10/616 ,  H04J14/0223 ,  H04J14/06 ,  H04L43/0835 ,  H04L49/552 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/0033 ,  H04Q2011/0083

    摘要： Data is transmitted using multiple phase-modulated optical wavelength division multiplexed signals carrying respective synchronous data packet sequences. The data packet sequences comprise data packets within respective data packet time slots. The data packet time slots are separated by guard band time slots. Within at least one of the optical WDM signals, a data packet is detected. A time-discrete electrical signal is derived from the one optical WDM signal, by down converting the one optical WDM signal using a local oscillator optical signal. A first discrete spectral component of the time-discrete electrical signal is determined, which corresponds to a direct current component of the time-discrete electrical signal. A second discrete spectral component of the time-discrete electrical signal is determined, which corresponds to a symbol rate of the one optical WDM signal. A data packet is detected, in the case that a fraction between the spectral components exceeds a predefined threshold.

    摘要翻译： 使用携带各自的同步数据分组序列的多个相位调制的光波分复用信号来传输数据。 数据分组序列包括相应数据分组时隙内的数据分组。 数据包时隙由保护带时隙分开。 在至少一个光WDM信号内，检测到数据分组。 通过使用本地振荡器光学信号对一个光学WDM信号进行降频转换，从一个光学WDM信号导出时间离散的电信号。 确定时间离散电信号的第一离散频谱分量，其对应于时间离散电信号的直流分量。 确定时间离散电信号的第二离散频谱分量，其对应于一个光WDM信号的符号率。 在频谱分量之间的分数超过预定义阈值的情况下，检测到数据分组。

    METHOD FOR OPTIMIZING THE CAPACITY OF OPTICAL COMMUNICATION NETWORKS
    4.
    发明公开
    METHOD FOR OPTIMIZING THE CAPACITY OF OPTICAL COMMUNICATION NETWORKS 有权
    VERFAHREN ZUR OPTIMIERUNG DERKAPAZITÄTVON OPTISCHEN KOMMUNIKATIONSNETZEN

    公开(公告)号：EP2548321A1

    公开(公告)日：2013-01-23

    申请号：EP11705562.4

    申请日：2011-02-24

    申请人： Alcatel Lucent

    发明人： CHARLET, Gabriel ,  BERTRAN PARDO, Oriol ,  VACONDIO, Francesco

    IPC分类号： H04J14/02

    CPC分类号： H04J14/0224 ,  H04J14/0204 ,  H04J14/0208 ,  H04J14/0212 ,  H04J14/0213 ,  H04J14/0217 ,  H04J14/0257 ,  H04J14/026

    摘要： The embodiments of the present invention describe a method for optimizing the capacity of an optical communication network that uses wavelength division multiplexing, wherein the spectral distribution of the signals intended to be transmitted over a plurality of channels is done dynamically through the use of a variable spectrum grid whose spectral spacings between two successive channels are determined based on the spectral width of said signals and in which dynamic filtering of said signals is carried out before their transmission in order to adjust their spectral width based on the available spectral space, and thereby reduce crosstalk between adjacent channels when the signals are transmitted.

    摘要翻译： 本发明的实施例描述了一种用于优化使用波分复用的光通信网络的容量的方法，其中旨在通过多个信道发送的信号的频谱分布通过使用可变频谱来动态地完成 基于所述信号的频谱宽度来确定两个连续信道之间的频谱间隔的网格，并且在其发送之前执行所述信号的动态滤波，以便基于可用频谱空间来调整其频谱宽度，从而减少串扰 当信号被发送时在相邻信道之间。