Synthetic Aperture Radar Algorithms on Transport Triggered Architecture Processors using OpenCL: 2023 IEEE International Radar Conference (RADAR)

Rother, Niklas; Mätzner, Leonard; Jääskeläinen, Pekka; Leppänen, Topi; Schleusner, Jens; Blume, Holger (2023)
 
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Rother, Niklas
Mätzner, Leonard
Jääskeläinen, Pekka
Leppänen, Topi
Schleusner, Jens
Blume, Holger
2023

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doi:10.1109/RADAR54928.2023.10371028
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https://urn.fi/URN:NBN:fi:tuni-202401231723

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Peer reviewed
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Live SAR imaging from small UAVs is an emerging field. On-board processing of the radar data requires high-performance and energy-efficient platforms. One candidate for this are Transport Triggered Architecture (TTA) processors. We implement Backprojection and Backprojection Autofocus on a TTA processor specially adapted for this task using OpenCL. The resulting implementation is compared to other platforms in terms of energy efficiency. We find that the TTA is on-par with embedded GPUs and surpasses other OpenCL-based platforms. It is outperformed only by a dedicated FPGA implementation.
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