Real-time Signal Processing with FPGAs and GPUs for Wideband Interference-resilient Communications

Ruzindana, M.; Burnett, Maria; Kunzler, Jakob W.; Marsh, D.; Lyman, Kayla; Evans, K.; Whipple, Adam; Warnick, Karl F.; Jeffs, Brian D.

doi:10.23919/usnc-ursi51813.2021.9703631

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2023

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Cited by 3 publications

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“…We report on an extension of the heterogeneous signal processing architecture to adaptive beamforming arrays for wideband communications [10]- [12]. The first stage of the array receiver front end is implemented using an FPGA platform with many multi-gigabit transceivers for interfacing with high-speed analog-to-digital converters (ADCs) and networked data transmissions.…”

Section: Introductionmentioning

confidence: 99%

Wideband Array Signal Processing with Real-Time Adaptive Interference Mitigation

Whipple¹,

Ruzindana²,

Burnett³

et al. 2023

Preprint

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Section: Introductionmentioning

confidence: 99%

Wideband Array Signal Processing with Real-Time Adaptive Interference Mitigation

Whipple¹,

Ruzindana²,

Burnett³

et al. 2023

Preprint

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“…This effort builds on previous work [ 2 , 9 , 10 , 11 ] by adding the capability to perform subspace projection to remove narrowband RFI and adapting the architecture to communications applications. Preliminary versions of the system used in this work have been reported in [ 20 , 21 , 22 ].…”

Section: Introductionmentioning

confidence: 99%

Wideband Array Signal Processing with Real-Time Adaptive Interference Mitigation

Whipple

Ruzindana

Burnett

et al. 2023

Sensors

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Wideband beamforming and interference cancellation for phased array antennas requires advances in signal processing algorithms, software, and specialized hardware platforms. A high-throughput array receiver has been developed that enables communication in radio frequency interference-rich environments with field programmable gate array (FPGA)-based frequency channelization and packetization. In this study, a real-time interference mitigation algorithm was implemented on graphics processing units (GPUs) contained in the data pipeline. The key contribution is a hardware and software pipeline for subchannelized wideband array signal processing with 150 MHz instantaneous bandwidth and interference cancellation with a heterogeneous, distributed, and scaleable digital signal processing (DSP) architecture that achieves 30 dB interferer cancellation null depth in real time with a moving interference source.

show abstract

Wideband Array Signal Processing with Real-Time Adaptive Interference Mitigation

Whipple¹,

Ruzindana²,

Burnett³

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

Real-time Signal Processing with FPGAs and GPUs for Wideband Interference-resilient Communications

Cited by 3 publications

References 2 publications

Wideband Array Signal Processing with Real-Time Adaptive Interference Mitigation

Wideband Array Signal Processing with Real-Time Adaptive Interference Mitigation

Wideband Array Signal Processing with Real-Time Adaptive Interference Mitigation

Wideband Array Signal Processing with Real-Time Adaptive Interference Mitigation

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