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1. WO2018148374 - MODULATION SYSTEMS AND METHODS IN OPTICAL TRANSCEIVERS

Publication Number WO/2018/148374
Publication Date 16.08.2018
International Application No. PCT/US2018/017374
International Filing Date 08.02.2018
IPC
H04B 10/54 2013.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
50Transmitters
516Details of coding or modulation
54Intensity modulation
H04L 27/34 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18, or H04L27/26213
34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
CPC
H04B 10/5161
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
50Transmitters
516Details of coding or modulation
5161Combination of different modulation schemes
H04B 10/541
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
50Transmitters
516Details of coding or modulation
54Intensity modulation
541Digital intensity or amplitude modulation
H04B 10/612
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
60Receivers
61Coherent receivers
612for optical signals modulated with a format different from binary or higher-order PSK [X-PSK], e.g. QAM, DPSK, FSK, MSK, ASK
H04L 27/3405
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
3405Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
H04L 27/3416
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
3405Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
3416in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
H04L 27/3488
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
27Modulated-carrier systems
32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
3488Multiresolution systems
Applicants
  • ACACIA COMMUNICATIONS, INC. [US]/[US]
Inventors
  • ZHANG, Hongbin
  • AYDINLIK, Mehmet
Agents
  • RUDOY, Daniel, G.
Priority Data
62/456,41108.02.2017US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MODULATION SYSTEMS AND METHODS IN OPTICAL TRANSCEIVERS
(FR) SYSTÈMES ET PROCÉDÉS DE MODULATION DANS DES ÉMETTEURS-RÉCEPTEURS OPTIQUES
Abstract
(EN)
Quadrature amplitude modulation (QAM) techniques for use in optical systems are described. An optical transceiver may include a modulator configured to modulate data according to a scaled set-partitioning QAM (SP-QAM) scheme. The modulator may be configured to receive a plurality of bits, associate the plurality of bits with a plurality of symbols according to the scaled (SP-QAM) scheme; and transmit the plurality of symbols over an optical channel. A demodulator in an optical receiver may receive the plurality of symbols transmitted over the optical channel and associate the received symbols with a plurality of bits according to the scaled (SP-QAM) scheme; and provide the plurality of bits to a forward error correction decoder.
(FR)
Des techniques de modulation d'amplitude en quadrature (QAM) destinées à être utilisées dans des systèmes optiques sont décrites. Un émetteur-récepteur optique peut comprendre un modulateur configuré pour moduler des données conformément à un schéma QAM de partitionnement d'ensemble (SP-QAM) mis à l'échelle. Le modulateur peut être configuré pour recevoir une pluralité de bits, associer la pluralité de bits à une pluralité de symboles conformément au schéma SP-QAM mis à l'échelle, et transmettre la pluralité de symboles sur un canal optique. Un démodulateur dans un récepteur optique peut recevoir la pluralité de symboles transmis sur le canal optique et associer les symboles reçus à une pluralité de bits conformément au schéma SP-QAM mis à l'échelle, et fournir la pluralité de bits à un décodeur de correction d'erreur sans voie de retour.
Also published as
EP2018706614
Latest bibliographic data on file with the International Bureau