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We consider joint adaptive transmit(TX) and receive (RX) beamforming for interference mitigation in array sensing systems. Unlike conventional designs, which only employ adaptive processing for the RX beamforming, we propose a fully adaptive approach that jointly selects the transmit correlation matrix and RX beamformer by maximizing the signal-to-interference-plus-noise ratio (SINR). Due to imprecise...
Conventional phased-array radar forms a transmit beam pointed to a target of interest, whereas a multiple-input-multiple-output (MIMO) radar employs omni-directional transmission. In both systems, the transmission process takes place without accounting for any interference sources present in the radar scene; and interference mitigation is performed primarily through a receive beamformer. In this paper,...
We present a transmit subaperturing (TS) approach for multiple-input multiple-output (MIMO) radars with co-located antennas. The proposed scheme divides the transmit array elements into multiple groups, each group forms a directional beam and modulates a distinct waveform, and all beams are steerable and point to the same direction. The resulting system is referred to as a TS-MIMO radar. A TS-MIMO...
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