Optical-network-connected multi-channel 96-GHz-band distributed radar system

A Kanno, T Kuri, T Kawanishi - Passive and Active Millimeter …, 2015 - spiedigitallibrary.org
Passive and Active Millimeter-Wave Imaging XVIII, 2015spiedigitallibrary.org
The millimeter-wave (MMW) radar is a promising candidate for high-precision imaging
because of its short wavelength and broad range of available bandwidths. In particular in the
frequency range of 92-100 GHz, which is regulated for radiolocation, an atmospheric
attenuation coefficient less than 1 dB/km limits the imaging range. Therefore, a combination
of MMW radar and distributed antenna system directly connected to optical fiber networks
can realize both high-precision imaging and large-area surveillance. In this paper, we …
The millimeter-wave (MMW) radar is a promising candidate for high-precision imaging because of its short wavelength and broad range of available bandwidths. In particular in the frequency range of 92-100 GHz, which is regulated for radiolocation, an atmospheric attenuation coefficient less than 1 dB/km limits the imaging range. Therefore, a combination of MMW radar and distributed antenna system directly connected to optical fiber networks can realize both high-precision imaging and large-area surveillance. In this paper, we demonstrate a multi-channel MMW frequency-modulated continuous-wave distributed radar system connected to an analog radio-over-fiber network.
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