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Real-time experimental wireless testbed with digital beamforming at 300 GHz

 
: Ntouni, Georgia D.; Merkle, Thomas; Loghis, Eleftherios K.; Tzeranis, Georgios; Koratzinos, Vassilis; Skentos, Nikolaos D.; Kritharidis, Dimitrios

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Institute of Electrical and Electronics Engineers -IEEE-:
European Conference on Networks and Communications, EuCNC 2020 : 15-18 June 2020, Dubrovnik, Croatia, online
Piscataway, NJ: IEEE, 2020
ISBN: 978-1-7281-4355-2
ISBN: 978-1-7281-4356-9
S.271-275
European Conference on Networks and Communications (EuCNC) <29, 2020, Online>
Englisch
Konferenzbeitrag
Fraunhofer IAF ()
beamforming; THz communications; real-time THz wireless transmission; FPGA-based modem

Abstract
Antenna arrays implementing beamforming are required in Terahertz (THz) communications to combat the very high propagation losses. In this paper, real-time THz wireless transmission with beamforming at a carrier frequency of 300 GHz is demonstrated for the first time using a single-carrier FPGA based modem and a uniform linear array with four antenna elements. Digital beamforming is implemented at the modem, which is a prototype based on a millimeter wave (mmWave) communication product. Moreover, suitable converter and signal conditioning boards as an interface to the THz frontends have been fabricated and utilized for the experimental setup. Apart from beamforming, THz specific imperfections of the transceivers as well as their impact on the communication performance have been experimentally explored.

: http://publica.fraunhofer.de/dokumente/N-603202.html