IEC 63098-3:2022

Transmitting and receiving equipment for radiocommunication - Radio-over-fibre technologies and their performance standard - Part 3: Radio-over-fibre-based remote radar for foreign object debris (FOD) detection systems

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.

Matériaux émetteurs et récepteurs pour les radiocommunications - Technologies radio sur fibre et leur norme de performance - Partie 3: Radar distant fondé sur la radio sur fibre pour système de détection des objets intrus (FOD)

IEC 63098-3:2022 La présente partie de l’IEC 63098 spécifie l’interface RoF établissant la connexion de la station centrale avec les têtes radar distantes dans un système radar distant, et fournit aussi les informations nécessaires pour assurer la compatibilité entre les fournisseurs et, par conséquent, choisir des systèmes appropriés qui permettent de couvrir tous les types de systèmes RoF quels qu’ils soient pour la transmission du signal.
Un système radar distant est généralement constitué d’une station centrale (CS – central station) et de têtes radar distantes (RRHs – remote radar heads) dont la connexion s’effectue par les technologies radio sur fibre (RoF – radio over fibre). La portée de détection maximale de chaque RRH atteint plusieurs centaines de mètres étant donné que les ondes millimétriques subissent un affaiblissement de propagation théorique plus important par comparaison avec les fréquences aéronautiques traditionnelles en dessous de 10 GHz. Le système RoF est fondamental pour améliorer la couverture radar et connecter la CS avec les RRH situées parallèlement à la piste, afin de couvrir sa totalité.
Afin de garantir la connexion entre la CS et les RRH, il convient que les interfaces RF et optiques soient catégorisées selon leurs spécifications, plus particulièrement leurs caractéristiques de liaison.

General Information

• Status: Published
• Publication Date: 06-Dec-2022
• ICS: 33.060.20 - Receiving and transmitting equipment
• Technical Committee: TC 103 - Transmitting and receiving equipment for radiocommunication
• Drafting Committee: WG 6 - TC 103/WG 6
• Current Stage: PPUB - Publication issued
• Start Date: 23-Dec-2022
• Completion Date: 07-Dec-2022

Standards Content (Sample)

IEC 63098-3 ®
Edition 1.0 2022-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Transmitting and receiving equipment for radiocommunication – Radio-over
fibre technologies and their performance standard –
Part 3: Radio-over-fibre-based remote radar for foreign object debris (FOD)
detection systems
Matériaux émetteurs et récepteurs pour les radiocommunications –
Technologies radio sur fibre et leur norme de performance –
Partie 3: Radar distant fondé sur la radio sur fibre pour système de détection
des objets intrus (FOD)
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IEC 63098-3 ®
Edition 1.0 2022-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Transmitting and receiving equipment for radiocommunication – Radio-over

fibre technologies and their performance standard –

Part 3: Radio-over-fibre-based remote radar for foreign object debris (FOD)

detection systems
Matériaux émetteurs et récepteurs pour les radiocommunications –

Technologies radio sur fibre et leur norme de performance –

Partie 3: Radar distant fondé sur la radio sur fibre pour système de détection

des objets intrus (FOD)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.060.20 ISBN 978-2-8322-6087-6

– 2 – IEC 63098-3:2022 © IEC 2022
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions and abbreviated terms . 6
3.1 Terms and definitions . 6
3.2 Abbreviated terms . 7
4 RoF system in remote radar system . 7
4.1 General . 7
4.2 Structures . 7
4.3 Operating frequency range . 8
4.4 Operating environment . 8
5 Testing . 9
5.1 General . 9
5.2 Temperature . 9
5.3 Warming-up of the measuring equipment . 9
6 Specifications for RoF links of remote radar systems . 9
6.1 General . 9
6.2 Laser safety . 9
6.3 Physical interface of the RoF system . 9
6.3.1 RF interfaces . 9
6.3.2 Optical interfaces . 9
6.3.3 Power supply interface . 9
6.4 Optical specifications . 10
6.4.1 Wavelength . 10
6.4.2 Operating optical output power . 10
6.4.3 Operating optical input power . 10
6.4.4 Absolute optical input limit . 10
6.4.5 Optical return loss . 10
6.5 RF specifications . 10
6.5.1 Operating RF range . 10
6.5.2 Dynamic range . 10
6.5.3 Absolute RF input power . 10
6.5.4 RF return loss . 10
6.5.5 Multiplication factor. 10
Annex A (informative) Examples of the architecture of remote radars . 11
A.1 Example of a remote radar system for FOD detection . 11
A.2 Example of a multi-static remote radar system for FOD detection . 12
Bibliography . 15

Figure 1 – Structure of a remote radar system . 8
Figure A.1 – Structure of a FOD detection system . 11
Figure A.2 – Structure of a multi-static radar system . 12

Table 1 – Operating environment . 8
Table A.1 – Specifications of an RoF transceiver interface for a remote radar system . 12
Table A.2 – Specifications of RoF transceiver interfaces for a multi-static radar system . 13

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
TRANSMITTING AND RECEIVING EQUIPMENT FOR
RADIOCOMMUNICATION – RADIO-OVER-FIBRE
TECHNOLOGIES AND THEIR PERFORMANCE STANDARD –

Part 3: Radio-over-fibre-based remote radar for foreign
object debris (FOD) detection systems

FOREWORD
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