High Resolution FDMA MIMO Radar
David Cohen, Deborah Cohen, Yonina C. Eldar
TL;DR
This paper introduces a high-resolution FDMA MIMO radar that combines narrow bandwidths for azimuth resolution with a large total bandwidth for range resolution, overcoming traditional trade-offs.
Contribution
It proposes a novel FDMA MIMO radar design that jointly processes channels and uses a random array to improve range and azimuth resolution.
Findings
Achieves high range and azimuth resolution simultaneously.
Overcomes FDMA range resolution limitations through joint processing.
Addresses range-azimuth coupling with a random array configuration.
Abstract
Traditional multiple input multiple output radars, which transmit orthogonal coded waveforms, suffer from range-azimuth resolution trade-off. In this work, we adopt a frequency division multiple access (FDMA) approach that breaks this conflict. We combine narrow individual bandwidth for high azimuth resolution and large overall total bandwidth for high range resolution. We process all channels jointly to overcome the FDMA range resolution limitation to a single bandwidth, and address range-azimuth coupling using a random array configuration.
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