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Multi-gigabit data transmission at 240 GHz with complex baseband power detection

: Lopez-Diaz, D.; König, S.; Tessmann, A.; Boes, F.; Antes, J.; Kallfass, I.; Kurz, F.; Poprawa, F.; Henneberger, R.


European Microwave Association:
44th European Microwave Conference, EuMC 2014 : Held in Roma, Italy on October 5-10, 2014; European Microwave Week, EuMW 2014
London: Horizon House, 2014
European Microwave Conference (EuMC) <44, 2014, Rome>
European Microwave Week (EuMW) <17, 2014, Rome>
Fraunhofer IAF ()
240 GHz; millimeter wave; MMIC; multi-gigabit; wireless data transmission

In this paper, we present the wireless data transmission of incoherent non-return to zero on-off keying (NRZ-OOK) signals with a data rate of 10 Gbit/s at a carrier frequency of 240 GHz. The transmitter (Tx) and receiver (Rx) are separated by a distance of 10 m. For a realistic, incoherent scenario, two independent, unsychronized local oscillators (LOs) are used at the transmitter and receiver side. To recover the baseband signal, the radio frequency (RF) is down-converted to a near zero intermediate frequency (IF) of 200 kHz. A complex power detection is performed on the in-phase (I) and quadrature (Q) channels to obtain the amplitude information of the transmit signal and hence to recover the sent data.