64 Gbit/s Transmission over 850 m Fixed Wireless Link at 240 GHz Carrier Frequency

64 Gbit/s Transmission over 850 m Fixed Wireless Link at 240 GHz Carrier Frequency

A directive fixed wireless link operating at a center frequency of 240 GHz achieves a data rate of 64 Gbit/s over a transmission distance of 850 m using QPSK and 8PSK modulation, in a single-channel approach without the use of spatial diversity concepts. The analog transmit and receive frontend cons...

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Veröffentlicht in:Journal of infrared, millimeter and terahertz waves millimeter and terahertz waves, 2015-02, Vol.36 (2), p.221-233
Hauptverfasser: Kallfass, Ingmar, Boes, Florian, Messinger, Tobias, Antes, Jochen, Inam, Anns, Lewark, Ulrich, Tessmann, Axel, Henneberger, Ralf
Format: Artikel
Sprache:eng
Schlagworte:
Analog circuits
Boards
Broadband
Carrier frequencies
Channels
Classical Electrodynamics
Data transmission
Electrical Engineering
Electronics and Microelectronics
Engineering
Infrared
Instrumentation
Integrated circuits
Links
Mathematical analysis
Modulation
Weather
Weather conditions
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Beschreibung
Zusammenfassung:A directive fixed wireless link operating at a center frequency of 240 GHz achieves a data rate of 64 Gbit/s over a transmission distance of 850 m using QPSK and 8PSK modulation, in a single-channel approach without the use of spatial diversity concepts. The analog transmit and receive frontend consists of active monolithic integrated circuits including broadband RF amplification and quadrature subharmonic mixer channels. The analog frontend is addressed by 64 GSa/s ADC and DAC boards, which are amenable to real-time data transmission. A link budget calculation allows for the estimation of the performance under adverse weather conditions.
ISSN:1866-6892
1866-6906
DOI:10.1007/s10762-014-0140-6