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FR3123771B1 - Radio frequency signal distribution system over optical fiber - Google Patents

Radio frequency signal distribution system over optical fiber Download PDF

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Publication number
FR3123771B1
FR3123771B1 FR2105904A FR2105904A FR3123771B1 FR 3123771 B1 FR3123771 B1 FR 3123771B1 FR 2105904 A FR2105904 A FR 2105904A FR 2105904 A FR2105904 A FR 2105904A FR 3123771 B1 FR3123771 B1 FR 3123771B1
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France
Prior art keywords
frequency
radio
frequency signal
signal
optical fiber
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Active
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FR2105904A
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French (fr)
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FR3123771A1 (en
Inventor
Aurélia Gre
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Acome SCOP
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Acome SCOP
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Publication date
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Priority to FR2105904A priority Critical patent/FR3123771B1/en
Publication of FR3123771A1 publication Critical patent/FR3123771A1/en
Application granted granted Critical
Publication of FR3123771B1 publication Critical patent/FR3123771B1/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25758—Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
    • H04B10/25759—Details of the reception of RF signal or the optical conversion before the optical fibre

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)

Abstract

L’invention concerne un dispositif maitre d’un système de distribution d’un signal radio-fréquence comprenant : au moins, un convertisseur maitre (COM1) configuré pour émettre et recevoir (E0) des signaux radio-fréquences montants et descendants vers et depuis une station de base (BTS1, BTS2) d’une infrastructure d’un réseau cellulaire ou d’un point d’accès, le signal radio-fréquence comprenant plusieurs canaux radio à une même fréquence initiale, chaque émetteur/récepteur étant associé à une station de base (BTS1, BTS2) ou un point d’accès ; décaler (E1) chaque canal radio-fréquence des signaux descendants autour d’une fréquence de porteuse intermédiaire qui est différente de la fréquence initiale, chaque canal ayant une fréquence intermédiaire qui lui est propre ; combiner (E2) les signaux intermédiaires des canaux ainsi obtenus de manière à obtenir un multiplex radio-fréquence ; moduler (E3) une source optique ayant une longueur d’onde au moyen du signal multiplex radio-fréquence de manière à obtenir un signal optique descendant. Figure pour l’abrégé : Figure 1The invention relates to a master device of a system for distributing a radio-frequency signal comprising: at least one master converter (COM1) configured to transmit and receive (E0) uplink and downlink radio-frequency signals to and from a base station (BTS1, BTS2) of a cellular network infrastructure or an access point, the radio-frequency signal comprising several radio channels at the same initial frequency, each transmitter/receiver being associated with a base station (BTS1, BTS2) or an access point; shifting (E1) each radio-frequency channel of the downlink signals around an intermediate carrier frequency which is different from the initial frequency, each channel having its own intermediate frequency; combining (E2) the intermediate signals of the channels thus obtained so as to obtain a radio-frequency multiplex; modulate (E3) an optical source having a wavelength by means of the radio-frequency multiplex signal so as to obtain a descending optical signal. Figure for abstract: Figure 1

FR2105904A 2021-06-04 2021-06-04 Radio frequency signal distribution system over optical fiber Active FR3123771B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2105904A FR3123771B1 (en) 2021-06-04 2021-06-04 Radio frequency signal distribution system over optical fiber

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2105904 2021-06-04
FR2105904A FR3123771B1 (en) 2021-06-04 2021-06-04 Radio frequency signal distribution system over optical fiber

Publications (2)

Publication Number Publication Date
FR3123771A1 FR3123771A1 (en) 2022-12-09
FR3123771B1 true FR3123771B1 (en) 2024-10-18

Family

ID=76730853

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2105904A Active FR3123771B1 (en) 2021-06-04 2021-06-04 Radio frequency signal distribution system over optical fiber

Country Status (1)

Country Link
FR (1) FR3123771B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5339184A (en) * 1992-06-15 1994-08-16 Gte Laboratories Incorporated Fiber optic antenna remoting for multi-sector cell sites
KR100376298B1 (en) * 1999-09-13 2003-03-17 가부시끼가이샤 도시바 Radio communication system

Also Published As

Publication number Publication date
FR3123771A1 (en) 2022-12-09

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