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Live streaming of uncompressed HD and 4K videos using terahertz wireless links

Kathirvel Nallappan, Hichem Guerboukha, Chahe Nerguizian and Maksim A. Skorobogatiy

Article (2018)

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Résumé

Taming the Terahertz waves (100 GHz-10 THz) is considered the next frontier in wireless communications. While components for the ultra-high bandwidth Terahertz wireless communications were in rapid development over the past several years, however, their commercial availability is still lacking. Nevertheless, as we demonstrate in this paper, due to recent advances in the microwave and infrared photonics hardware, it is now possible to assemble a high-performance hybrid THz communication system for real-life applications. As an example, in this paper, we present the design and performance evaluation of the photonics-based Terahertz wireless communication system for the transmission of uncompressed 4K video feed that is built using all commercially available system components. In particular, two independent tunable lasers operating in the infrared C-band are used as a source for generating the Terahertz carrier wave using frequency difference generation in a photomixer. One of the IR laser beams carries the data which is intensity modulated using the LiNbO 3 electro-optic modulator. A zero bias Schottky diode is used as the detector and demodulator of the data stream followed by the high-gain and low-noise pre-amplifier. The Terahertz carrier frequency is fixed at 138 GHz and the system is characterized by measuring the bit error rate for the pseudo random bit sequences at 5.5 Gbps. By optimizing the link geometry and decision parameters, an error-free (BER <; 10 -10 ) transmission at a link distance of 1 m is achieved. Finally, we detail the integration of a professional 4K camera into the THz communication link and demonstrate live streaming of the uncompressed HD and 4K video followed by the analysis of link quality.

Uncontrolled Keywords

4K video, broadband communication, streaming media, Terahertz communications.

Subjects: 2500 Electrical and electronic engineering > 2500 Electrical and electronic engineering
2500 Electrical and electronic engineering > 2520 Microwave and millimeter-wave devices, circuits and technologies
2500 Electrical and electronic engineering > 2521 Mobile and personal communication
3100 Physics > 3100 Physics
Department: Department of Electrical Engineering
Department of Engineering Physics
Research Center: POLY-GRAMES - Advanced Research Centre in Microwaves and Space Electronics
PolyPublie URL: https://publications.polymtl.ca/5051/
Journal Title: IEEE Access (vol. 6)
Publisher: IEEE
DOI: 10.1109/access.2018.2873986
Official URL: https://doi.org/10.1109/access.2018.2873986
Date Deposited: 18 Jul 2023 11:08
Last Modified: 11 Apr 2024 06:24
Cite in APA 7: Nallappan, K., Guerboukha, H., Nerguizian, C., & Skorobogatiy, M. A. (2018). Live streaming of uncompressed HD and 4K videos using terahertz wireless links. IEEE Access, 6, 58030-58042. https://doi.org/10.1109/access.2018.2873986

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