Cited by 246Direction-of-Arrival Estimation TechniquesAntenna Design and OptimizationRadio Astronomy Observations and Technology

Digital Phased Arrays: Challenges and Opportunities

Fulton, Caleb, Yeary, Mark, Thompson, Daniel, Lake, John, Mitchell, Adam·2016·Proceedings of the IEEE

Abstract

Digital beamforming (DBF) has long been heralded as the next frontier in phased array technology, and not without reason. The digitization of transmit and receive signals at the element level opens the door to new processing and beamforming schemes and promises to deliver maximum flexibility and unprecedented dynamic range in large systems. However, it is not without inherent technological risks and practical challenges associated with the amount of data to process and the use of less sophisticated transceivers. This paper provides broad overviews of several interrelated aspects of the resulting DBF trade spaces for these systems. In particular, emerging concepts are highlighted for the roles and interconnection of distributed beamforming/processing for fixed and adaptive beamforming. These are then related to digital array calibration mechanisms that can potentially reduce the need for data- and processing-intensive beamforming algorithms.

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Crossref · 10.1109/jproc.2015.2501804

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Authors
Fulton, C., Yeary, M., Thompson, D., Lake, J., & Mitchell, A.
Affiliations
  • University of Oklahoma (US)
  • The Ohio State University (US)
Venue
Proceedings of the IEEE
Published
2016-03
Volume
104
Issue
3
Pages
487-503
ISSN
  • 0018-9219 (ISSN-L)
  • 1558-2256
OpenAlex
W2282852807
Cited by
246
References
108
Citations by year
2026: 20 · 2025: 39 · 2024: 31 · 2023: 32 · 2022: 34 · 2021: 22 · 2020: 20 · 2019: 22 · 2018: 11 · 2017: 10 · 2016: 5
FWCI
17.77
Type
journal article
Language
en
Open access
closed
Locations
Proceedings of the IEEE (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Signal Processing › Direction-of-Arrival Estimation Techniques
  • Physical Sciences › Engineering › Aerospace Engineering › Antenna Design and Optimization
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Radio Astronomy Observations and Technology
Keywords
digital beamforming, phased arrays, distributed beamforming, adaptive beamforming, array calibration, transceiver, data processing requirements, trade-offs

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