Optical Transmission of an Analog TV-Signal Coded at 2.24 GHz and Its Distribution by Using a Radiating Cable

In this work, an alternative technology to extend wireless coverage beyond the conventional methods of providing radio propagation coverage is presented. The use of a radiating cable is proposed for difficult-to-reach areas. In this regard, an indoor radiating cable is successfully employed for the...

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Bibliographic Details
Published in:Electronics (Basel) 2020-06, Vol.9 (6), p.917
Main Authors: Correa-Mena, Ana Gabriela, Seseña-Osorio, Jorge Alberto, Diago-Mosquera, Melissa Eugenia, Aragón-Zavala, Alejandro, Zaldívar-Huerta, Ignacio Enrique
Format: Article
Language:English
Subjects:
Alternative technology
Antennas
Bandwidths
Fourier transforms
Indoor environments
Microwave photonics
Noise levels
Radio signals
Signal quality
Signal to noise ratio
Spectrum allocation
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Summary:In this work, an alternative technology to extend wireless coverage beyond the conventional methods of providing radio propagation coverage is presented. The use of a radiating cable is proposed for difficult-to-reach areas. In this regard, an indoor radiating cable is successfully employed for the distribution of an analog electric signal in a fiber-radio scheme using a microwave photonic filter. A filtered microwave band-pass window located at 2.24 GHz is used as an electrical carrier to transmit an analog TV-signal of 67.25 MHz over an optical link of 25.28 km. Measurements are carried out in an indoor environment. Experimental results demonstrate that the recovered signal is of good quality in each measurement location, exhibiting on average a signal-to-noise-ratio (SNR) of around 31.60 dB.
ISSN:2079-9292
2079-9292
DOI:10.3390/electronics9060917