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120-GHz-Band Wireless Link Technologies for Outdoor 10-Gbit/s Data Transmission

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12 Author(s)
Hirata, Akihiko ; NTT Microsyst. Integration Labs., NTT Corp., Atsugi, Japan ; Kosugi, T. ; Takahashi, H. ; Takeuchi, J.
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Our progress in 120-GHz-band wireless link technologies enables us to transmit 10-Gbit/s data transmission over a distance of more than 1 km. The 120-GHz-band wireless link uses high-speed uni-traveling carrier photodiodes (UTC-PD) and InP high-electron mobility transistor (HEMT) millimeter-wave (MMW) monolithic integrated circuits (MMICs) for the generation of MMW signals. We investigate the maximum output power of these devices and compare the phase noise of MMW signals generated by UTC-PDs and InP HEMT MMICs. We describe the antennas we used and their operation technologies. Finally, we investigate the dependence of transmission distance on availability using the statistical rain attenuation data. The calculation results show that the 120-GHz-band wireless link can transmit 10-Gbit/s data over a distance of 1 km with availability of 99.999%.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:60 ,  Issue: 3 )