IEC 63098-3-ed.1.0

Detail information

Designation: IEC 63098-3-ed.1.0

Publication date: 07/12/2022

Pages: 31

Country: International technical standard

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Anotation

IEC 63098-3:2022 This part of IEC 63098 provides the specifications of the RoF interface connecting the central station (CS) with the remote radar heads (RRHs) in a remote radar system, along with the necessary information to ensure compatibility between vendors and, hence, choose appropriate systems to cover any type of RoF systems for delivering the signal.A remote radar system generally consists of a central station (CS) and remote radar heads (RRHs) connected by radio over fibre (RoF). Each RRH has a maximum detection range of several hundred metres because millimetre waves theoretically undergo a larger propagation loss compared with conventional aeronautical frequencies below 10 GHz. The RoF system is key to enhancing the radar coverage and connecting the CS with the RRHs located along a runway for its entire coverage. To ensure the connection between the CS and RRHs, radio frequency (RF) and optical interfaces should be categorized according to their specifications, specifically, their link characteristics. IEC 63098-3:2022 La presente partie de l’IEC 63098 specifie l’interface RoF etablissant la connexion de la station centrale avec les tetes radar distantes dans un systeme radar distant, et fournit aussi les informations necessaires pour assurer la compatibilite entre les fournisseurs et, par consequent, choisir des systemes appropries qui permettent de couvrir tous les types de systemes RoF quels qu’ils soient pour la transmission du signal. Un systeme radar distant est generalement constitue d’une station centrale (CS – central station) et de tetes radar distantes (RRHs – remote radar heads) dont la connexion s’effectue par les technologies radio sur fibre (RoF – radio over fibre). La portee de detection maximale de chaque RRH atteint plusieurs centaines de metres etant donne que les ondes millimetriques subissent un affaiblissement de propagation theorique plus important par comparaison avec les frequences aeronautiques traditionnelles en dessous de 10 GHz. Le systeme RoF est fondamental pour ameliorer la couverture radar et connecter la CS avec les RRH situees parallelement a la piste, afin de couvrir sa totalite. Afin de garantir la connexion entre la CS et les RRH, il convient que les interfaces RF et optiques soient categorisees selon leurs specifications, plus particulierement leurs caracteristiques de liaison.