2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information

2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information
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Paper Detail

Paper IDSAM-3.1
Paper Title HYBRID ANALOG-DIGITAL MIMO RADAR RECEIVERS WITH BIT-LIMITED ADCS
Authors Feng Xi, Nanjing University of Science and Technology, China; Nir Shlezinger, Ben-Gurion University, Israel; Yonina C. Eldar, Weizmann Institute of Science, Israel
SessionSAM-3: MIMO Radar Array Processing
LocationGather.Town
Session Time:Wednesday, 09 June, 16:30 - 17:15
Presentation Time:Wednesday, 09 June, 16:30 - 17:15
Presentation Poster
Topic Sensor Array and Multichannel Signal Processing: [RAS-MIMO] MIMO Radar and waveform design
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract Multiple-input multiple-output (MIMO) radar is known to achieve high performance by probing with multiple orthogonal waveforms. However, implementing a low cost low power MIMO radar is challenging. In this work we study reduced cost MIMO radar receivers restricted to operate with low resolution ADCs. A hybrid analog-digital architecture, referred to as bit-limited MIMO radar (BiLiMO) receivers, which are capable of accurately recovering their targets while operating under strict resolution constraints is designed. This is achieved by applying an additional analog filter to the acquired waveforms, and designing the overall hybrid analog-digital system to facilitate target identification using task-based quantization methods. Our numerical results demonstrate that the proposed BiLiMO receiver operating with strict bit budget achieves target recovery performance which approaches that of costly MIMO radars operating with unlimited resolution ADCs.