Back-End System of BURSTT
Kai-Yang Lin, Chih-Yi Wen, Homin Jiang, Jen-Hung Wang, Sujin Eie, Shih-Hao Wang, Yao-Huan Tseng, Hsien-Chun Tseng, Daniel Baker, Ue-Li Pen

TL;DR
The paper details the design, implementation, and validation of BURSTT's back-end system, enabling real-time FRB detection and localization with high efficiency using multi-stage processing on specialized hardware.
Contribution
It introduces an efficient multi-stage processing architecture combining FPGA and CPU resources for real-time FRB detection and localization.
Findings
Achieved real-time beamforming and pulse search over a 60° x 120° field of view.
Validated system performance with bright radio sources and pulsar detections.
Demonstrated high fidelity and efficiency of the signal processing pipeline.
Abstract
The Bustling Universe Radio Survey Telescope in Taiwan (BURSTT) is a new-generation wide-angle radio telescope specifically designed to survey Fast Radio Bursts (FRBs), energetic millisecond-duration pulses of unknown extragalactic origin. To realize its scientific potential, which includes detecting approximately 50 FRBs per year and sub-arcsecond localization capability, the system is designed to perform real-time beamforming and pulse search over the \SI{60}{\degree} \SI{120}{\degree} field of view. This paper provides a detailed account of the design, implementation, and performance validation of the BURSTT back-end System. The system employs an efficient multi-stage processing architecture: initial beamforming is executed on the Xilinx ZCU216 RF System-on-Chip (RFSoC) platform; data is then transferred to Intel Xeon servers, where AVX-512 and AMX instruction sets are…
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