F. Boes, J. Antes, T. Mahler, U. Lewark, D. Meier, T. Messinger, R. Henneberger, A. Tessmann, T. Zwick, I. Kallfass
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Experimental validation of adverse weather effects on a 240 GHz multi-gigabit wireless link
The influence of hydrometeors on a MMIC-based wireless data transmission at 240GHz carrier frequency was experimentally evaluated in a climatic wind tunnel over a distance of 90 m. Successful transmissions of up to 24 Gbit/s QPSK modulated signals through heavy rain at 43 mm/h and dense fog at 3 g/m3 is achieved. The climatic impact is evaluated in terms of EVM. Reducing the bandwidth makes a transmission still possible with a BER <; 1 × 10-3 under conditions, where a free space optical link would fail.