Abstract
The transmission characteristics of a 120-GHz-band millimeter-wave wireless
link are described. The wireless link uses photonic technologies for generation,
modulation, and transmission of millimeter-wave signals. This configuration
enables set up of the photonic millimeter-wave generator and transmitter core
separately; therefore, the wireless link can be used as a kind of radio-over-fiber
system. The effects of transmitting 120-GHz-band optical subcarrier signals
through single-mode fibers were theoretically and experimentally investigated.
It was confirmed that the time shift of the code edges, because of chromatic
dispersion, limits the transmission distance. A data stream at 10-Gbit/s was
successfully transmitted over the 120-GHz-band millimeter-wave wireless link,
with a bit error rate (BER) below 10<sup>-12</sup> over
a distance of 250 m. The results also demonstrated the stability of the wireless
link, which satisfied the 10-Gb Ethernet standard under clear weather conditions.
© 2008 IEEE
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