Xieon Networks S.a.r.l.

Nokia Siemens Networks Gmbh & Co Kg

Nokia Solutions and Networks Oy

Ernst-Dieter Schmidt

Bernhard Spinnler

Hans-Jochen Morper

Berthold Lankl

Norbert Hanik

Oscar Gaete

Leonardo Coelho

Erich Gottwald

Stefano Calabro

Fabian N Hauske

Changsong Xie

Joachim Lueken

Traffic is conveyed in a communications network by a homogeneous transport network from edge nodes located at edges of the homogeneous transport network to at least one processing center (D-center, C-center) located at an edge of the homogeneous transport network. The at least one processing center processes the traffic and controls and forwards traffic to be further conveyed to the edge nodes.

Conveying traffic in a communications network system

A method and a device for processing data in a communication network, wherein a first node is served by a second node and communicates with a third node. The first node informs a fourth node to process data destined for the third node. The second node, the first node and the fourth node are connected via a transport network that is capable of a point-to-multipoint connection.

Method and device for processing data in a communication network

The present invention provides an apparatus, in particular an optical network unit, which comprises a first part operably coupled to an arm of an optical fiber network, the first part comprises an optical module including an optical-electric interface and/or an electric-optical interface locked on a preset wavelength band, and an interface module, and at least one second part operably coupled to a network entity of a communication network, each comprising a control unit, a signal processing unit and an interface module. One of the control units of the at least one second part is set by a optical line terminal of the optical fiber network as a master control unit configured to tune and control the optical module of the first part. The first part and the at least one second part are wireless coupled with respect to each other via the interface modules.

Optical network unit

A method for processing data in an optical network element is provided, wherein a multicarrier signal is linear pre-coded, and wherein the linear pre-coded signal is modulated. An according optical network element is also suggested.

Method for processing data in an optical network element and optical network element

A method for processing data in an optical network element. A multi-carrier signal is linear pre-coded and the linear pre-coded signal is modulated. A corresponding optical network element is also described.

A receiver is provided for a quadrature-modulated signal, which can be divided into an inphase signal and a quadrature signal. The inphase signal is fed to first and third equalizers, and the quadrature signal is fed to second and fourth equalizers, wherein the first and second equalizers each perform a first equalization of the respective signal. An output of the first equalizer is connected to a second input of the fourth equalizer, which, by means of a second equalization of the quadrature signal, transmits an equalized quadrature signal as a function of the previously fed equalized inphase signal of the first equalizer. An output of the second equalizer is connected to the second input of the third equalizer, which, through a second equalization of the inphase signal, transmits an equalized inphase signal as a function of the previously fed equalized quadrature signal of the second equalizer.

Receiver structure and method for the demodulation of a quadrature-modulated signal

Two data signals are subjected to a binary differential phase modulation and transmitted as POLMUX multiplex signals. The types of modulation are selected in such a way that they are orthogonal in relation to each other and do not influence each other during the demodulation of the signals. There is thus no need to regulate the polarization on the receiving side.

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Feldkirchen-Westerham, Germany

Ernst-Dieter Schmidt