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1. WO2020102824 - LOW-LATENCY CHANNEL EQUALIZATION USING A SECONDARY CHANNEL

Publication Number WO/2020/102824
Publication Date 22.05.2020
International Application No. PCT/US2019/070007
International Filing Date 14.11.2019
IPC
H04L 25/03 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
25Baseband systems
02Details
03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
H04B 10/2575 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
25Arrangements specific to fibre transmission
2575Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
Applicants
  • SKYWAVE NETWORKS LLC [US]/[US]
  • BABICH, Kevin, J. [US]/[US]
  • VISHLOFF, Terry, Lee [CA]/[CA]
  • VAN WYK, Danie [ZA]/[ZA]
Inventors
  • BABICH, Kevin, J.
  • VISHLOFF, Terry, Lee
  • VAN WYK, Danie
Agents
  • SCHMAL, Charles, P.
  • MCNETT, John, C.
  • HENRY, Thomas, Q.
  • REEVES, Charles, R.
  • WAGNER, Vincent, O.
Priority Data
62/767,21614.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) LOW-LATENCY CHANNEL EQUALIZATION USING A SECONDARY CHANNEL
(FR) ÉGALISATION DE CANAL À FAIBLE LATENCE AU MOYEN D'UN CANAL SECONDAIRE
Abstract
(EN)
An equalization method has been developed for low latency, low bandwidth wireless communication channel environments. With this method, an exact copy, nearly exact copy, or some facsimile of a message (or associated information), which was transmitted via a low latency, low bandwidth wireless communication channel, is also sent via a backend communication channel such as a fiber optic network. Equalization is generally performed by comparing the originally received message to the copy sent via the backend channel. The original message can incorporate an added channel delay to compensate for the time delay between the primary wireless channel and the backend channel.
(FR)
L'invention concerne un procédé d'égalisation développé pour des environnements de canal de communication sans fil à faible latence et faible largeur de bande. Grâce à ce procédé, une copie exacte, une copie presque exacte, ou un facsimilé d'un message (ou d'informations associées), qui ont été transmis via un canal de communication sans fil à faible latence et faible largeur de bande, sont également envoyés via un canal de communication principal tel qu'un réseau de fibres optiques. Une égalisation est généralement exécutée en comparant le message original reçu, à la copie envoyée via le canal principal. Le message original peut incorporer un retard de canal ajouté pour compenser le retard entre le canal sans fil primaire et le canal principal.
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