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NF EN 303981

Satellite Earth Stations and Systems (SES) - Fixed and in-motion Wide Band Earth Stations communicating with non-geostationary satellite systems (WBES) in the 11 GHz to 14 GHz frequency bands - Harmonised Standard for access to radio spectrum (V1.3.1)

Edition date: 2023-01-21
In Force
Available languages: French
Summary: Le présent document spécifie les caractéristiques techniques et méthodes de mesure pour les stations terriennes fixes et mobiles communiquant avec des systèmes de satellites à défilement (WBES) dans les bandes de fréquences FSS de 11 GHz à 14 GHz, qui présentent les caractéristiques suivantes :la WBES est en outre définie comme l'une des deux classes de stations terriennes, classe A et classe B. Les paragraphes du présent document s'appliquent aux deux classes, sauf spécification séparée ;la WBES est conçue pour un fonctionnement aussi bien fixe que mobile ;la WBES fonctionne en mobile sur différentes plates-formes comme les trains, les navires, les aéronefs et les autres véhicules, et peut donc être soumise à des perturbations occasionnelles et à des interruptions de la liaison avec le satellite ;la WBES fonctionne dans le cadre d'un système de satellites utilisé pour la mise à disposition de communications large bande ;la WBES est constituée de tous les équipements, électriques et mécaniques, depuis l'antenne à proprement parler jusqu'à l'interface avec d'autres équipements de communication sur une plate-forme mobile ;la WBES se compose d'un ou plusieurs émetteurs et il convient d'interpréter en conséquence la vue d'ensemble du système représentée à laFigure 1 ;les fréquences d'émission et de réception sont indiquées dans leTableau 1 ; 1: Bandes de fréquences la WBES émet sur la plage de fréquences de 14,0 GHz à 14,50 GHz ;la WBES reçoit sur la plage de fréquences de 10,70 GHz à 12,75 GHz ;la WBES de classe A émet à des angles d'élévation supérieurs ou égaux à 35o par rapport au plan horizontal ;la WBES de classe B émet à des angles d'élévation supérieurs ou égaux à 25o par rapport au plan horizontal ;la WBES utilise une polarisation linéaire ou circulaire ;la WBES communique avec des satellites à défilement ;la WBES est conçue pour un fonctionnement sans surveillance ;la WBES est commandée et surveillée par un dispositif de commande de réseau (NCF) ; Le NCF ne relève pas du domaine d'application du présent document.Figure 1: Vue d'ensemble du système WBES AnglaisFrançaisAntennaAntenneStabilization & TrackingStabilisation et poursuiteBUCBUCLNBLNBModemModemService InterfaceInterface de serviceControl & MonitoringContrôle et monitorage Le présent document s'applique à la WBES avec son équipement auxiliaire et ses différents ports de télécommunication, lorsqu'elle est utilisée dans les limites du profil environnemental de fonctionnement tel qu'il est exigé par son usage prévu et installée de la manière exigée par l'usage prévu ou dans la documentation de l'utilisateur.NOTE : La relation entre le présent document et les exigences essentielles de l'Article 3, paragraphe 2 de la Directive 2014/53/EU [i.1] est indiquée dans l'Annexe A.
Keywords: TELECOMMUNICATION|RADIOCOMMUNICATIONS|EARTH STATIONS|SATELLITES|FIXED EQUIPMENT|MOBILE SERVICES|FREQUENCY BANDS|BANDWIDTH|PERFORMANCE EVALUATION|UNWANTED RADIATIONS|CONTROL FUNCTIONS|MEASUREMENT|CONFORMITY TESTS
ICS: 33.060.30-Radio relay and fixed satellite communications systems, 33.070.50-Global System for Mobile Communication (GSM)
CTN:

Reemplazo Normas

Reemplaza a NF EN 303981:202111 (Z86-981)

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