Control plane for an optical network for transmitting multi-carrier data bursts with dynamic adaptation of learning sequence

    公开(公告)号:US11800264B2

    公开(公告)日:2023-10-24

    申请号:US16969871

    申请日:2019-02-14

    Applicant: Orange

    CPC classification number: H04Q11/0066 H04J14/0298 H04Q11/0435 H04Q2011/0033

    Abstract: A system for sending data in an optical network comprising a plurality of source nodes and destination nodes is disclosed. In one aspect, a source node generates, in a spectral band that is associated with it, a multi-carrier optical data signal obtained by modulation of a source signal at a source wavelength and sends it in the form of single-band data bursts that can be associated with distinct source wavelengths. A single-band data burst comprises, in addition to payload data symbols (PL), a sequence of learning symbols (TS) composed of a plurality of learning symbols. A control unit belonging to the control plane of the optical network determines, for at least one of the source nodes, instants of sending of the single-band data bursts and source wavelengths to be used for sending these single-band data bursts, as a function of a path time of the data bursts between the source node and one of the destination nodes associated with the source wavelength. The control unit also determines the size of the sequence of learning symbols (TS) of the single-band data bursts.

    Optical signal comprising a succession of multi-band bursts of multi-carrier data signals, system and method of emission of such a signal, and corresponding optical transport network

    公开(公告)号:US10541775B2

    公开(公告)日:2020-01-21

    申请号:US15500899

    申请日:2015-07-25

    Applicant: ORANGE

    Abstract: The invention relates to a system for sending data in an optical network comprising source nodes (1-1, 1-2, 1-3, 1-4, 1-5), each capable of generating, in a spectral band that is associated with it, a multi-carrier optical data signal obtained by modulation of a source signal at a source wavelength and of sending this signal in the form of single-band data bursts (11-13, 21-23, 31-33, 41-43, 51-53) that can be associated with distinct source wavelengths, and a combiner (1,2) for combining single-band data bursts, sent by the source nodes in the spectral bands that are associated with them, into multi-band data bursts (61-63, 71-73) occupying a spectral band corresponding to a juxtaposition of the spectral bands associated with the source nodes. In this system, a unit for controlling an instant of sending of said single-band data bursts by the source nodes, implements a control plane taking account of a path time of the single-band data bursts sent by the source nodes to the combiner.

    Reception of multiple-wavelength optical signals consisting of single-band optical bursts

    公开(公告)号:US10396901B2

    公开(公告)日:2019-08-27

    申请号:US15750136

    申请日:2016-08-01

    Applicant: Orange

    Abstract: A coherent optical receiver capable of receiving a multiple-wavelength optical signal comprising a series of single-band optical bursts is described. Each single-band optical burst is carried by one wavelength from among a plurality of wavelengths on a predetermined spectral band. The optical receiver can include optical generation means arranged to generate a local multiple-wavelength optical oscillator consisting of a plurality of optical lines at wavelengths corresponding to the wavelengths of the optical bursts, optical mixing means arranged to mix the optical oscillator and the optical signal in order to generate at least one mixed optical signal comprising a plurality of beats between at least one of the single-band optical bursts and the optical lines of the local multiple-wavelength optical oscillator, and a detection means to filter at least one beat between said single-band optical burst and one of the optical lines of the local multiple-wavelength optical oscillator.

    RECEPTION OF MULTIPLE-WAVELENGTH OPTICAL SIGNALS CONSISTING OF SINGLE-BAND OPTICAL BURSTS

    公开(公告)号:US20180227058A1

    公开(公告)日:2018-08-09

    申请号:US15750136

    申请日:2016-08-01

    Applicant: Orange

    CPC classification number: H04B10/615 H04B10/40 H04B10/63

    Abstract: A coherent optical receiver capable of receiving a multiple-wavelength optical signal comprising a series of single-band optical bursts is described. Each single-band optical burst is carried by one wavelength from among a plurality of wavelengths on a predetermined spectral band. The optical receiver can include optical generation means arranged to generate a local multiple-wavelength optical oscillator consisting of a plurality of optical lines at wavelengths corresponding to the wavelengths of the optical bursts, optical mixing means arranged to mix the optical oscillator and the optical signal in order to generate at least one mixed optical signal comprising a plurality of beats between at least one of the single-band optical bursts and the optical lines of the local multiple-wavelength optical oscillator, and a detection means to filter at least one beat between said single-band optical burst and one of the optical lines of the local multiple-wavelength optical oscillator.

    METHOD FOR TRANSMITTING DATA IN A TIME-DOMAIN WAVELENGTH-INTERLEAVED OPTICAL NETWORK
    7.
    发明申请
    METHOD FOR TRANSMITTING DATA IN A TIME-DOMAIN WAVELENGTH-INTERLEAVED OPTICAL NETWORK 审中-公开
    用于在时域波长交互光网络中发送数据的方法

    公开(公告)号:US20160226590A1

    公开(公告)日:2016-08-04

    申请号:US15025882

    申请日:2014-09-19

    Applicant: ORANGE

    Abstract: One embodiment relates to a method for transmitting data via an optical network comprising a plurality of optical nodes, in which at least one wavelength is dedicated to the transmission, in the network, of data bursts transmitted by at least one source node and wherein the data bursts are intended for an addressee node. The method may comprise transmitting a control message from the addressee node to the at least one source node wherein the control message is conveyed in an optical signal emitted according to the wavelength dedicated to the transmission, in the network, of data bursts intended for the addressee node.

    Abstract translation: 一个实施例涉及一种用于经由包括多个光学节点的光网络发送数据的方法,其中至少一个波长专用于网络中由至少一个源节点发送的数据突发的传输,并且其中数据 突发是用于收件人节点。 所述方法可以包括从所述收件人节点向所述至少一个源节点发送控制消息,其中所述控制消息在根据专用于所述网络中针对所述收件人的数据突发的所述传输专用波长发射的光信号中被传送 节点。

Patent Agency Ranking