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Electrical and Computer Engineering
iNtegrated Circuits and Systems Lab @ NC State (iNcs2)

Publications

Google Scholar Citations, B. Floyd
https://orcid.org/0000-0002-1124-2764

Jump to section: Phased Arrays || Built-In Test and Calibration of Arrays || 5G Radios || Machine Learning for RF || Radars and Imagers || N-path Filters || Software-Defined Radios || 60-GHz Radios || Antennas and Packaging || Signal Generation, PLLs, VCOs || AERPAW || WCDMA Receivers || RF Integrated Circuits || Wireless Interconnects || Miscellaneous || Book Chapters || Short Courses, Tutorials, Forums || Workshops || Panels || Dissertations || Patents.

View of Centennial Campus at the Hunt Library. Photo by Becky Kirkland.

Journal & Conference Articles

Phased Arrays

  1. T. Ren, Y. Chang, and B. A. Floyd, “39–44 GHz phased-array transmitter circuits in RFSOI CMOS technology,” IEEE J. Solid-State Circuits, vol. 60, no. 9, pp. 3072-3081, Sep. 2025.
  2. T. Ren, Y. Chang, and B. A. Floyd, “A Q-band phased-array transmit beamformer in 45 nm CMOS SOI for SATCOM,” IEEE BiCMOS and Compound Semi. IC and Tech. Symp. (BCICTS), Oct. 2024, pp. 173-176.
  3. Y. Chang and B. A. Floyd, “Reduction of phase and gain control dependencies within a 20 GHz beamforming receiver IC,” IEEE Access, vol. 11, pp. 68066-68078, May 2023.
  4. Y. Chang and B. A. Floyd, “A broadband reflection-type phase shifter achieving uniform phase and amplitude response across 27 to 31 GHz,” IEEE BiCMOS and Compound Semi. IC and Tech. Symp. (BCICTS), Nov. 2019, pp. 1-4.
  5. Y.-S. Yeh and B. A. Floyd, “Multibeam phased arrays using dual-vector distributed beamforming: architecture overview and 28 GHz transceiver prototypes,” IEEE Trans. Circuits Systems-I, vol. 67, no. 12, pp. 5496-5509, Dec. 2020.
  6. Y.-S. Yah, E. Balboni, and B. Floyd, “A 28-GHz phased-array transceiver with series-fed dual-vector distributed beamforming,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), June 2017, pp. 65-68.
  7. Y.-S. Yeh, B. Walker, E. Balboni, and B. Floyd, “A 28-GHz phased-array receiver front-end with dual-vector distributed beamforming,” IEEE J. Solid-State Circuits, vol. 52, no. 5, pp. 1230-1244, May 2017.
  8. Y.-S. Yeh, B. Walker, E. Balboni, and B. A. Floyd, “A 28-GHz 4-channel dual-vector receiver phased array in SiGe BiCMOS Technology,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), May 2016, pp. 352-355 (student paper award finalist).
  9. K. Greene, A. Sarkar, and B. Floyd, “A 60-GHz dual-vector Doherty beamformer,” IEEE J. Solid-State Circuits, vol. 52, no. 5, pp. 1373-1387, May 2017.
  10. K. Greene and B. Floyd, “Dual-vector phase rotator for Doherty beamformers,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), May 2015, pp. 331-334.
  11. A. Natarajan, S. Reynolds, M.-D. Tsai, S. Nicolson, J.-H. C. Zhan, D. Kam, D. Liu, O. Huang, A. Valdes-Garcia, and B. A. Floyd, “A fully-integrated 16-element phased-array receiver in SiGe BiCMOS for 60-GHz communications,” IEEE J. Solid-State Circuits, vol. 46, no.5, pp. 1059-1075, May 2011.
  12. A. Valdes-Garcia, S. Reynolds, A. Natarajan, D. Kam, D. Liu, J.-W. Lai, Y.-Lin Huang, P.-Y. Chen, M.-D. Tsai, J.-H. Zhan, S. Nicolson, and B. Floyd, “Single-element and phased-array transceiver chipsets for 60-GHz Gb/s communications,” IEEE Communications Mag., vol. 49, no. 4, pp. 120-131, Apr. 2011.
  13. A. Valdes-Garcia, S. Nicolson, J.-W. Lai, A. Natarajan, P.-Y. Chen, S. Reynolds, J.-H. Zhan, D. Kam, D. Liu, and B. Floyd, “A 16-element, SiGe BiCMOS phased-array transmitter for 60-GHz communications,” IEEE J. Solid-State Circuits, vol. 45, no. 12, pp. 2757-2773, Dec. 2010.
  14. S. K. Reynolds, A. S. Natarajan, M.-D. Tsai, S. Nicolson, J.-H. Zhan, D. Liu, D. G. Kam, O. Huang, A. Valdes-Garcia, and B. A. Floyd, “A 16-element phased-array receiver IC for 60-GHz communications in SiGe BiCMOS,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), June 2010, pp. 461-464.
  15. A. Valdes-Garcia, S. Nicolson, J.-W. Lai, A. Natarajan, P.-Y. Chen, S. Reynolds, J.-H. Zhan, and B. Floyd, “A SiGe BiCMOS 16-element phased-array transmitter for 60GHz communications,” IEEE Int. Solid-State Circuits Conf. – Dig. Tech. Papers, Feb. 2010, pp. 218-219.
  16. A. Natarajan, M.-D. Tsai, and B. Floyd, “60GHz RF-path phase-shifting two-element phased-array front-end in silicon,” Symp. VLSI Techn. Dig. Tech. Papers, June 2009, pp. 250-251.
  17. A. Natarajan, B. Floyd, and A. Hajimiri, “A bidirectional RF-combined 60GHz phased-array front-end,” IEEE Int. Solid-State Circuits Conf. – Dig. Tech. Papers, Feb. 2007, pp. 202-203.

Built-In Test and Calibration of Arrays

  1. S. Almahmoud, Z. Hong, and B. A. Floyd, “Characterization of phased arrays using amplitude-modulated interferometry,” IEEE Trans. Microw. Theory Techn., vol. 73, no. 10, pp. 8150-8160, 2025.
  2. S. Almahmoud, Z. Hong, and B. A. Floyd, “Simultaneous phased-array element testing using orthogonal amplitude modulation,” IEEE Int. Symp. Phased-Array Systems and Techn. (PAST), Oct. 2022, pp. 1-5.
  3. Y. Chang and B. A. Floyd, “Circuit architecture for autonomous beamformer calibration using coded correlations,” IEEE Trans. Circuits and Systems-II: Reg. Papers, in preparation.
  4. Z. Hong and B. A. Floyd, “Beamformer calibration using coded correlations,” IEEE Int. Symp. Phased-Array Systems and Techn. (PAST), Oct. 2022, pp. 1-8.
  5. Z. Hong and B. A. Floyd, “Accuracy and complexity of code-modulated embedded test of scaled phased arrays,” IEEE Trans. Microw. Theory Techn., in preparation.
  6. Z. Hong and B. A. Floyd, “Hierarchical code-modulated embedded test on a 64-element phased array,” IEEE Int. Microw. Symp. (IMS), June 2023, pp. 1-4.
  7. Z. Hong, V. Chauhan, S. Schönherr, and B. A. Floyd, “Code-modulated embedded test and calibration of phased-array transceivers,” IEEE Trans. Microw. Theory Techn., vol. 69, no. 3, pp. 1557-9670, Mar. 2021.
  8. Z. Hong, S. Schönherr, V. Chauhan, and B. Floyd, “Free-space phased-array characterization and calibration using code-modulated embedded test,” IEEE MTT-S Int. Microw. Symp. (IMS), June 2019, pp. 1225-1228.
  9. K. Greene, V. Chauhan, and B. Floyd, “Built-in test of phased arrays using code-modulated interferometry,” IEEE Trans. Microw. Theory Tech., vol. 66, no. 5, pp. 2463-2479, May 2018.
  10. K. Greene, V. Chauhan, and B. Floyd, “Code-modulated embedded test for phased arrays,” IEEE VLSI Test Symp. (VTS), Apr. 2016.
  11. B. Floyd, “Market Opportunities and Testing Challenges for Millimeter-Wave Radios and Radars (invited),” IEEE International Test Conf. (ITC), Oct 2014, pp. 1-1.

5G Radios

  1. T. Ren and B. A. Floyd, “A 20-33 GHz direct-conversion transmitter in 45-nm SOI CMOS,” IEEE BiCMOS and Compound Semi. ICs and Tech. Symp. (BCICTS), Nov. 2020, pp. 1-4.
  2. T. Ren and B. A. Floyd, “A 21 to 31 GHz two-stage stacked power amplifier with 33% PAE and 18 dBm output power in 45-nm SOI CMOS,” IEEE Int. Microw. Conf. on Hardware and Systems for 5G and Beyond (IMC-5G), Aug. 2019, pp. 1-3.
  3. V. Chauhan and B. Floyd, “A 24-44GHz UWB LNA for 5G cellular frequency bands,” IEEE Global Symp. Millimeter-Waves (GSMM), May 2018.
  4. C. Wilson and B. Floyd, “A 20-30 GHz mixer-first receiver in 45-nm SOI CMOS,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), May 2016, pp. 344-347.
  5. B. Floyd, A. Sarkar, K. Greene, and Y.-S. Yeh, “Toward efficient, reconfigurable, and compact beamforming for 5G millimeter-wave systems,” IEEE Bipolar/BiCMOS Circuits Techn. Mtg. (BCTM), invited, Sep. 2017, pp. 66-73.
  6. A. Sarkar, F. Aryanfar, and B. Floyd, “A 28-GHz SiGe BiCMOS PA with 32% efficiency and 23-dBm output power,” IEEE J. Solid-State Circuits, vol. 52, no. 6, pp. 16801-1686, June 2017.
  7. A. Sarkar and B. A. Floyd, “A 28-GHz harmonic-tuned power amplifier in 130-nm SiGe BiCMOS,” IEEE Trans. Microwave Theory Tech., vol. 65, no. 2, pp. 522-535, Feb. 2017.
  8. A. Sarkar, K. Greene, and B. Floyd, “A power-efficient 4-element beamformer in 120-nm SiGe BiCMOS for 28-GHz cellular communications,” IEEE Bipolar Circuits and Techn. Meeting (BCTM), Sep. 2014, pp. 68-71.
  9. A. Sarkar and B. Floyd, “A 28GHz class-J power amplifier with 18-dBm output power and 35% peak PAE in 120-nm SiGe BiCMOS,” IEEE Top. Mtg. Silicon Monolithic ICs in RF Systems (SiRF), Jan 2014, pp. 71-73. (student award finalist)

Machine Learning for RF Applications

  1. Y. Chang, Y. Wang, Z. Hong, B. Padmanabhan, P. D. Franzon, and B. A. Floyd, “A 27-30 GHz T/R module with reflection-type phase shifting and machine-learned calibration,” IEEE Trans. Circuits and Systems-I: Reg. Papers, vol. 72, no. 9, pp. 4649-4660, Sep. 2025.
  2. Y. Wen, J. Dean, B. Floyd, and P. Franzon, “High-dimensional optimization for electronic design via random embedding and local inspection,” 2022 ACM/IEEE Workshop on Machine Learning for CAD, Sep. 2022, pp. 153-157.

Radars and Imagers

  1. T. Fujibayashi, Y. Takeda, Y.-S. Yeh, W. Wang, W. Stapelbroek, S. Takeuchi, and B. Floyd, “A 76- to 81-GHz multi-channel radar transceiver,” IEEE J. Solid-State Circuits, vol. 52, no. 9, pp. 2226-2241, Sep. 2017.
  2. T. Fujibayashi, Y. Takeda, Y.-S. Yeh, W. Wang, Y.-S. Yeh, W. Stapelbroek, S. Takeuchi, and B. Floyd, “A 76- to 81-GHz packaged single-chip transceiver for automotive radar,” IEEE Bipolar/BiCMOS Circuits Techn. Mtg. (BCTM), Sep. 2016, pp. 166-169.
  3. Y. Takeda, T. Fujibayashi, Y.-S. Yeh, W. Wang, and B. Floyd, “A 76- to 81-GHz transceiver chipset for long-range and short-range automotive radar,” IEEE MTT-S Int. Microwave Symp. (IMS), June 2014, pp. 1-3.
  4. V. Chauhan, Z. Hong, S. Schönherr, and B. A. Floyd, “An X-band code-modulated interferometric imager,” IEEE Trans. Microw. Theory Techn., vol. 69, no. 11, pp. 4856-4868, Nov. 2021.
  5. V. Chauhan, S. Schönherr, Z. Hong, and B. Floyd, “A 10-GHz code-modulated interferometric imager using commercial-off-the-shelf phased arrays,” IEEE MTT-S Int. Microw. Symp. (IMS), June 2019, pp. 1015-1018.
  6. V. Chauhan, H. Seo, K. Greene, D. G. Kam, and B. Floyd, “A 60 GHz code-modulated interferometric imaging system using a phased array,” Proc. SPIE 11411, Passive and Active Millimeter-Wave Imaging XXIII, 1141104, Apr. 2020, https://doi.org/10.1117/12.2565589.
  7. V. Chauhan, K. Greene, and B. Floyd, “Code-modulated interferometric imaging system using phased arrays,” Proc. SPIE 9830, Passive and Active Millimeter-Wave Imaging XIX, 98300D, May 2016.

N-path Filters

  1. C. J. Ellington, S. Hari, and B. A. Floyd, “A 10 to 40 GHz reflection-mode N-path filter,” IEEE Solid-State Circuits Letters, vol. 8, pp. 169-172, 2025.
  2. C. J. Ellington, S. Hari, and B. A. Floyd, “Improved out-of-band rejection in reflection-mode N-path filters using tunable transmission zeros,” IEEE Trans. Microw. Theory Techn., vol. 72, no. 11, pp. 6375-6386, Nov. 2024.
  3. C. J. Ellington, S. Hari, and B. A. Floyd, “Analysis and design of baseband circuits for higher-order reflection-mode N-path filters,” IEEE Trans. Circuits and Systems-I: Reg. Papers, vol. 70, no. 12, pp. 5152-5165, Dec. 2023.
  4. S. Hari, C. Ellington, and B. A. Floyd, “A reflection-mode N-path filter tunable from 6 to 31 GHz,” IEEE J. Solid-State Circuits, vol. 58, no. 7, pp. 1973-1986, July 2023.
  5. S. Hari, C. Ellington, and B. A. Floyd, “A 6-31GHz tunable reflection-mode N-path filter,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), June 2021, pp. 143-146.
  6. S. Hari, A. Bhat, C. Wilson, and B. Floyd, “Approaches to nonoverlapping clock generation for RF to millimeter-wave mixer-first receivers,” IEEE Int. Microw. Conf. on Hardware and Systems for 5G and Beyond (IMC-5G), Aug. 2019, pp. 1-3.
  7. J. Bonner-Stewart, C. Wilson, and B. Floyd, “Tunable 0.7-to-2.8 GHz reflection-mode N-path filters in 45-nm SOI CMOS,” IEEE Trans. Microw. Theory Tech., vol. 68, no. 6, pp. 2343-2357, June 2020.
  8. J. Bonner-Stewart, C. Wilson, and B. Floyd, “A tunable reflection-mode N-path filter using 45-nm SOI CMOS,” IEEE MTT-S Int. Microwave Symp. (IMS), June 2017, pp. 1671-1674.
  9. J. Bonner-Stewart, C. Wilson, and B. Floyd, “A tunable reflection-mode N-path filter with harmonic cancellation in 45nm SOI CMOS,” Govt. Microcircuit Applications Conf. (GOMACTech), Mar. 2019, pp. 860-864.

Software-Defined Radios

  1. J. Dean, S. Hari, and B. A. Floyd, “RF to millimeter-wave receivers employing frequency-translated feedback” IEEE J. Solid-State Circuits, vol. 59, no. 5, pp. 1447-1460, May 2024.
  2. J. Dean, S. Hari, A. Bhat, and B. A. Floyd, “A 4-31GHz direct-conversion receiver employing frequency-translated feedback,” IEEE European Solid-State Circuits Conf. (ESSCIRC), Sep. 2021, pp. 187-190.
  3. J. Dean, C. Ellington, S. Hari, A. Bhat, and B. A. Floyd, “A tunable N-path filter and wideband receiver for digital-beamforming applications,” Govt. Microcircuit Applications Conf. (GOMACTech), Mar. 2022.
  4. A. P. Ganesh, A. Perre, A. Şahin, İ. Güvenç, and B. A. Floyd, “A mmWave software-defined array platform for wireless experimentation at 24-29.5 GHz,” IEEE Military Comm. Conf., Oct. 2024.
  5. S. Hari, A. Bhat, C. Wilson, and B. Floyd, “A 5 to 31 GHz four-phase mixer-first receiver,” Govt. Microcircuit Applications Conf. (GOMACTech), Mar. 2019, pp. 581-584. (link).
  6. C. Wilson, J. Dean, and B. Floyd, “Mixer-first MIMO receiver with reconfigurable multi-port decoupling and matching,” IEEE J. Solid-State Circuits, vol. 55, no. 5, pp. 1401-1410, May 2020.
  7. C. Wilson, J. Dean, and B. Floyd, “Mixer-first MIMO receiver with multi-port impedance tuning for decoupling of compact antenna systems,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), June 2018, pp. 112-115.
  8. C. Wilson and B. Floyd, “Harmonic performance of mixer-first receiver with circulant-symmetric basebands,” IEEE Trans. Circuits Systems-I, vol. 66, no. 1, pp. 161-174, Jan. 2019.

60-GHz Radios

  1. B. Floyd, A. Valdes Garcia, S. Reynolds, A. Natarajan, D. Liu, B. Gaucher, D. Nakano, and Y. Katayama, “Silicon millimeter-wave radios for 60 GHz and beyond,” Int. Symp. on VLSI Techn., Systems and Applications (VLSI TSA), April 2010, pp. 12-13.
  2. B. Floyd, B. Gaucher, S. Reynolds, A. Valdes-Garcia, U. Pfeiffer, D. Liu, J. Grzyb, N. Hoivik, and B. Jagannathan, “SiGe vs. CMOS for 60-100 GHz: technology, circuits, packages, and systems,” Govt. Microcircuit Applications Conf. (GOMACTech), Mar. 2007, pp. 31-34.
  3. S. Reynolds, A. Valdes-Garcia, B. Floyd, B. Gaucher, D. Liu, and N. Hoivik, “Second generation 60-GHz transceiver chipset supporting multiple modulations at Gb/s data rates,” Proc. Bipolar/BiCMOS Circuits Techn. Mtg. (BCTM), Oct. 2007, pp. 192-197.
  4. B. Gaucher, B. Floyd, S. Reynolds, U. Pfeiffer, J. Grzyb, A. Joseph, E. Mina, B. Orner, H. Ding, R. Wachnik, and K. Walter, “Silicon germanium based millimetre-wave ICs for Gbps wireless communications and radar systems,” Semiconductor Science and Technology, vol. 22, no. 1, pp. S236-S243, Jan. 2007.
  5. S. Reynolds, B. Floyd, U. Pfeiffer, T. Beukema, J. Grzyb, C. Haymes, B. Gaucher, and M. Soyuer, “A silicon 60GHz receiver and transmitter chipset for broadband communications,” IEEE J. Solid-State Circuits, vol. 41, no. 12, pp. 2820-2831, Dec. 2006.
  6. B. Floyd, S. Reynolds, U. Pfeiffer, T. Beukema, J. Grzyb, and C. Haymes, “A silicon 60GHz receiver and transmitter chipset for broadband communications,” IEEE Int. Solid-State Circuits Conf. – Dig. Tech. Papers, Feb. 2006, pp. 184-185.
    [BEST PAPER AWARD, Lewis Winner Award for ISSCC]
    [BEST PAPER AWARD, Pat Goldberg Memorial Award for IBM]
  7. B. A. Floyd, S. K. Reynolds, U. R. Pfeiffer, T. Zwick, T. Beukema, and B. Gaucher, “SiGe bipolar transceiver circuits operating at 60 GHz,” IEEE J. Solid-State Circuits, vol. 40, no. 1, pp. 156-167, Jan. 2005.
  8. S. Reynolds, B. Floyd, U. Pfeiffer, and T. Zwick, “60GHz transceiver circuits in SiGe bipolar technology,” IEEE Int. Solid-State Circuits Conf. – Dig. Tech. Papers, Feb. 2004, pp. 442-538.
    [BEST PAPER AWARD, Lewis Winner Award for ISSCC]
  9. B. A. Floyd, “V-band and W-band SiGe bipolar low-noise amplifiers and voltage-controlled oscillators,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), June 2004, pp. 295-298.
  10. A. Natarajan, S. Nicolson, M. D. Tsai, and B. Floyd, “A 60GHz variable-gain LNA in 65nm CMOS,” IEEE Asian Solid-State Circuits Conf. (ASSCC), Nov. 2008, pp. 117-120.
  11. B. Floyd, U. Pfeiffer, S. Reynolds, A. Valdes-Garcia, C. Haymes, Y. Katayama, D. Nakano, T. Beukema, B. Gaucher, and M. Soyuer, “Silicon millimeter-wave radio circuits at 60-100 GHz (invited),” IEEE Top. Mtg. Silicon Monolithic ICs in RF Systems (SiRF), Jan. 2007, pp. 213-218.
  12. Y. Katayama, C. Haymes, D. Nakano, T. Beukema, B. Floyd, S. Reynolds, U. Pfeiffer, B. Gaucher, and K. Schleupen, “2-Gbps uncompressed HDTV transmission over 60-GHz SiGe radio link,” IEEE Consumer Comm. and Networking Conf. (CCNC), Jan. 2007, pp. 12-17.
  13. B. Floyd, B. Gaucher, “SiGe ICs for gigabit wireless transmission,” IEEE Lester Eastman Conf. on High Performance Devices, Aug. 2006.
  14. B. Gaucher, S. Reynolds, B. Floyd, U. Pfeiffer, T. Beukema, A. Joseph, E. Mina, B. Orner, R. Wachnik, and K. Walter, “Progress in SiGe technology toward fully integrated mmWave ICs,” Int. SiGe Techn. Device Mtg. (ISTDM), May 2006, pp. 1-2.
  15. B. Gaucher, B. Floyd, S. Reynolds, U. Pfeiffer, A. Joseph, E. Mina, B. Orner, R. Wachnik, K. Walters, “Silicon-germanium based millimeter wave ICs for Gbps wireless communication and radar systems,” Govt. Microcircuit Applications Conf. (GOMACTech), Mar. 2006.
  16. B. Jagannathan, R. Groves, D. Goren, B. Floyd, D. Greenberg, L. Wagner, S. Csutak, S. Lee, D. Coolbaugh, and J. Pekarik, “RF CMOS for microwave and mm-wave applications,” IEEE Top. Mtg. Silicon Monolithic ICs in RF Systems (SiRF), Jan. 2006, pp. 259-264.
  17. S. K. Reynolds, B. A. Floyd, U. R. Pfeiffer, T. J. Beukema, T. Zwick, J. Grzyb, D. Liu, and B. P. Gaucher, “Progress toward a low-cost millimeter-wave silicon radio (invited),” IEEE Custom Int. Circuits Conf. (CICC), Sept. 2005, pp. 563-570.
  18. B. Gaucher, T. Beukema, S. Reynolds, B. Floyd, T. Zwick, U. Pfeiffer, D. Liu, and J. Cressler, “MM-Wave transceivers using SiGe HBT technology,” IEEE Top. Mtg. Silicon Monolithic ICs in RF Systems (SiRF), Sept. 2004, pp. 81-84.
  19. B. Gaucher, T. Beukema, S. Reynolds, B. Floyd, T. Zwick, U. Pfeiffer, and D. Liu, “Silicon monolithic broadband millimeter wave radio technology,” Int. Conf. Space Mission Challenges for Information Tech., June 2003, pp. 113-121.

Antennas and Packaging

  1. D. G. Kam, D. Liu, A. Natarajan, S. Reynolds, and B. A. Floyd, “Organic packages with embedded phased-array antennas for 60-GHz wireless chipsets,” IEEE Trans. Component, Packaging and Manuf. Tech., vol. 1, no. 11, pp. 1806-1814, Nov. 2011.
    [BEST PAPER AWARD, Pat Goldberg Memorial Award for IBM]
  2. D. Liu, J.A.G. Akkermans, H.-C. Chen, and B. Floyd, “Packages with integrated 60-GHz aperture-coupled patch antennas,” IEEE Trans. Antennas and Propagation, vol. 59, no. 10, pp. 3607-3616, Oct. 2011.
  3. D. G. Kam, D. Liu, A. Natarajan, S. Reynolds, H.-C. Chen, and B. A. Floyd, “LTCC packages with embedded phased-array antennas for 60-GHz communications,” IEEE Microwave Comp. Letters, vol. 21, no. 3, pp. 142-144, Mar. 2011.
  4. D. G. Kam, D. Liu, A. Natarajan, S. Reynolds, and B. A. Floyd, “Low-cost antenna-in-package solutions for 60-GHz phased-array systems,” IEEE Conf. on Electrical Performance of Electronic Packaging and Systems (EPEPS), Oct. 2010, pp. 93-96.
  5. D. Liu, H.-C. Chen, and B. Floyd, “An LTCC superstrate patch antenna for 60-GHz package applications,” Proc. IEEE Ant. Prop. Society Int. Symp., July 2010, pp. 1-4.
  6. D. Liu and B. Floyd, “Microstrip to CPW transitions for package applications,” Proc. IEEE Ant. Prop. Society Int. Symp., July 2010, pp. 1-4.
  7. D. Liu, I. Akkermans, and B. Floyd, “A superstrate patch antenna for 60-GHz applications,” 3rd European Conf. Ant. Prop. (EuCAP), Mar. 2009, pp. 2592-2594.
  8. U. R. Pfeiffer, J. Grzyb, D. Liu, B. Gaucher, T. Beukema, B. A. Floyd, and S. K. Reynolds, “A chip-scale packaging technology for 60-GHz wireless chipsets,” IEEE Trans. Microwave Theory Tech., vol. 54, no. 8, pp. 3387-3397, Aug. 2006.
  9. U. Pfeiffer, J. Grzyb, D. Liu, B. Gaucher, T. Beukema, B. Floyd, and S. Reynolds, “A 60-GHz radio chipset fully-integrated in a low-cost packaging technology,” Proc. Electronic Components Techn. Conf. (ECTC), May 2006, pp. 1343-1346.

Signal Generation, VCOs, and PLLs

  1. W. Wang and B. A. Floyd, “A K-band VCO with AC-shorted transformer tank for 76–81 GHz FMCW radars, IEEE Access, vol. 13, pp. 53,909-53,918, 2025.
  2. W. Wang and B. A. Floyd, “Comparison of 10/20/40 GHz quadrature VCOs for FMCW radar systems in 90-nm SiGe BiCMOS technology,” IEEE BiCMOS and Compound Semi. IC and Tech. Symp. (BCICTS), Nov. 2019, pp. 1-4.
  3. W. Wang, Y. Takeda, Y.-S. Yeh, and B. Floyd, “A 20-GHz VCO and frequency doubler for W-band FMCW radar applications,” IEEE Top. Mtg. Silicon Monolithic Integrated Circuits in RF Systems (SiRF), Jan 2014, pp. 104-106.
  4. Y.-S. Yeh, W. Wang, and B. A. Floyd, “75-86 GHz signal generation using a phase-controlled quadrature-push quadrupler driven by a QVCO or a tunable polyphase filter,” IEEE Trans. Microw. Theory Techn., vol. 69, no. 10, pp. 4521-4532, Oct. 2021.
  5. Y.-S. Yeh and B. A. Floyd, “A 55-GHz power-efficient frequency quadrupler with high harmonic rejection in 0.1-µm SiGe BiCMOS technology,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), May 2015, pp. 267-270.
  6. B. Floyd, “Sub-integer frequency synthesis using phase-rotating frequency dividers,” IEEE Trans. Circuits Systems-I, vol. 55, no. 7, pp. 1823-1833, Aug. 2008.
  7. B. Floyd, “A 16 to 18.8-GHz sub-integer-N frequency synthesizer for 60-GHz transceivers,” IEEE J. Solid-State Circuits, vol. 43, no. 5, pp. 1076-1086, May 2008.
  8. B. Floyd, “A 15 to 18-GHz programmable frequency synthesizer for a 60-GHz transceiver,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), June 2007, pp. 529-532.
  9. C.-M. Hung, B. A. Floyd, N. Park, and K. K. O, “Fully integrated 5.35-GHz CMOS VCOs and prescalers,” IEEE Trans. Microwave Theory Tech., vol. 49, no. 1, pp. 17-22, Jan. 2001.
  10. C.-M. Hung, B. A. Floyd, and K. K. O, “A fully integrated 5.35-GHz CMOS VCO and a prescaler,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), June 2000, pp. 69-72.
  11. B. A. Floyd, L. Shi, Y. Taur, I. Lagnado, and K. K. O, “SOI and bulk CMOS frequency dividers operating above 15 GHz,” Elec. Lett., vol. 37, no. 10, pp. 617-618, May 10, 2001.

AERPAW

  1. T. Samal, R. Dutta, İ. Güvenç, M. L. Sichitiu, B. Floyd, and T. Zajkowski, “Automating operator oversight in an autonomous, regulated, safety-critical research facility,” Int. Conf. on Computer Comm. and Networks (ICCCN), July 2022, pp. 1-10.
  2. M. Mushi, H. Joshi, R. Dutta, I. Guvencb, M. Sichitiu, B. Floyd, T. Zajkowski, “The AERPAW experiment workflow – considerations for designing usage models for a computing-supported physical-equipment research platform,” IEEE Int. Workshop on Computer and Networking Experimental Research using Testbeds (CNERT), May 2022, pp. 1-8.
  3. A. Panicker, O. Ozdemir, M. Sichitiu, I. Guvenc, R. Dutta, V. Marojevic, and B. Floyd, “AERPAW emulation overview and preliminary performance evaluation,” Computer Networks, vol. 194, article 108083, July 2021.
  4. M. Chowdhury. C. K. Anjinappa, I. Guvenc, M. Sichitiu, O. Ozdemir, U. Bhattacherjee, R. Dutta, V. Marojevic, and B. Floyd, “A taxonomy and survey on experimentation scenarios for aerial advanced wireless testbed platforms,” IEEE Aerospace Conf. (AeroConf), Mar. 2021, pp. 1-20.
  5. M. L. Sichitiu, I. Guvenc, V. Marajevic, and B. Floyd, “AERPAW emulation overview,” Proc. 14th Workshop on Wireless Network Testbeds, Experimental Evaluation & Characterization (WiNTECH’20), Sep. 2020, pp. 1-8.
  6. V. Marojevic, I. Guvenc, R. Dutta, M. L. Sichitiu, and B. A. Floyd, “Advanced wireless for unmanned aerial systems: 5G standardization, research challenges, and AERPAW experimentation platform,” IEEE Vehicular Tech. Mag., vol. 15, no. 2, pp. 22-30, June 2020.

WCDMA Receivers

  1. S. K. Reynolds, B. A. Floyd, T. J. Beukema, T. Zwick, and U. R. Pfeiffer, “Design and compliance testing of a SiGe WCDMA receiver IC with integrated analog baseband,” Proc. IEEE, vol. 93, no. 9, pp. 1624-1636, Sept. 2005.
  2. B. A. Floyd, S. K. Reynolds, T. Zwick, L. Khuon, T. Beukema, and U. R. Pfeiffer, “WCDMA direct-conversion receiver front-end comparison in RF-CMOS and SiGe BiCMOS,” IEEE Trans. Microwave Theory Tech., vol. 53, no. 4, part 1, pp. 1181-1188, April 2005.
  3. B. A. Floyd, and D. Ozis, “Low-noise amplifier comparison at 2 GHz in 0.25-μm and 0.18-μm RF-CMOS and SiGe BiCMOS (invited),” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), June 2004, pp. 185-188.
  4. S. K. Reynolds, B. A. Floyd, T. Beukema, T. Zwick, U. Pfeiffer, and H. Ainspan, “A direct-conversion receiver IC for WCDMA mobile systems,” IEEE J. Solid-State Circuits, vol. 38, no. 9, pp. 1555-1560, Sept. 2003.
  5. S. Reynolds, B. Floyd, T. Beukema, T. Zwick, U. Pfeiffer, and H. Ainspan, “A direct conversion receiver IC for WCDMA mobile systems,” IBM J. Research Development, vol. 47, no. 2/3, pp. 337-354, March/May 2003.
  6. S. Reynolds, B. Floyd, T. Beukema, T. Zwick, U. Pfeiffer, and H. Ainspan, “A direct-conversion receiver IC for WCDMA mobile systems,” IEEE Bipolar/BiCMOS Circuits Techn. Mtg. (BCTM), Sept. 2002, pp. 61-64.

RF Integrated Circuits

  1. M. K. Chirala and B. A. Floyd, “Millimeter-wave Lange and ring-hybrid couplers in a silicon technology for E-band applications,” IEEE MTT-S Int. Microw. Symp. (IMS), June 2006, pp. 1547-1550.
  2. B. A. Floyd, J. Mehta, C. Gamero, and K. K. O, “A 900-MHz, 0.8-μm CMOS low noise amplifier with 1.2-dB noise figure,” IEEE Custom Int. Circuits Conf. (CICC), May 1999, pp. 661-664.
  3. A. Sarkar and B. Floyd, “A 60-GHz Doherty power amplifier with 14% PAE at 6-dB back off,” Proc. SRC Techcon Conference, Sep. 2013.
  4. A. Sarkar and B. Floyd, “Power efficient power amplifiers for 60GHz phased array transmitters,” Proc. SRC Techcon Conference, Sep. 2012.
  5. K. Bhatia, K. Kim, C.-T. Chuang, E. Rosenbaum, J.-O. Plouchart, and B. A. Floyd, “Double-gate FET technology for RF applications: device characteristics and low noise amplifier design,” IEEE Int. SOI Conf., Oct. 2006, pp. 75-76.
  6. U. R. Pfeiffer, D. Goren, B. A. Floyd, and S. K. Reynolds, “SiGe transformer matched power amplifier for operation at millimeter-wave frequencies,” IEEE European Solid-State Circuits Conf. (ESSCIRC), Sept. 2005, pp. 141-144.
  7. U. R. Pfeiffer, S. K. Reynolds, and B. A. Floyd, “A 77 GHz SiGe power amplifier for potential applications in automotive radar systems,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC), June 2004, pp. 91-94.
  8. B. A. Floyd, L. Shi, Y. Taur, I. Lagnado, and K. K. O, “A 23.8-GHz SOI CMOS tuned amplifier,” IEEE Trans. Microwave Theory Tech., vol. 50, no. 9, pp. 2193-2196, Sept. 2002.
  9. B. A. Floyd, C.-M. Hung, and K. K. O, “The effects of substrate resistivity on RF component and circuit performance,” IEEE Int. Interconnect Techn. Conf. (IITC), June 2000, pp. 164-166.
  10. Y.-C. Ho, K.-H. Kim, B. A. Floyd, C. Wann, Y. Taur, I. Lagnado, and K. K. O, “4- and 13-GHz tuned amplifiers implemented in a 0.1-μm CMOS technology on SOI, SOS, and bulk substrates,” IEEE J. Solid-State Circuits, vol. 33, no. 12, pp. 2066-2073, Dec. 1998.
  11. K.-H. Kim, Y.-C. Ho, B. Floyd, C. Wann, Y. Taur, and I. Lagnado, “4 GHz and 13 GHz tuned amplifiers implemented in a 0.1 μm CMOS technology on SOI and SOS substrates,” IEEE Int. Solid-State Circuits Conf. – Dig. Tech. Papers, Feb. 1998, pp. 134 – 135.
  12. K. K. O, K. Kim, B. Floyd, Y.-C. Ho, C.-M. Hung, C. Wann, Y. Taur, and I. Lagnado, “Tuned amplifiers fabricated in a 0.1-um CMOS technology on bulk, SOI, and SOS substrates,” Govt. Microcircuit Applications Conf. (GOMACTech), Mar. 1998, pp. 175-178.

Wireless Interconnects

  1. B. A. Floyd, C.-M. Hung, and K. K. O, “Intra-chip wireless interconnect for clock distribution implemented with integrated antennas, receivers, and transmitters,” IEEE J. Solid-State Circuits, vol. 37, no. 5, pp. 543-552, May 2002.
  2. B. A. Floyd, C.-M. Hung, and K. K. O, “A 15-GHz wireless interconnect implemented in a 0.18-μm CMOS technology using integrated transmitters, receivers, and antennas,” Symp. VLSI Techn. Dig. Tech. Papers, June 2001, pp. 155-158.
  3. B. Floyd, K. Kim, and K. O, “Wireless interconnection in a CMOS IC with integrated antennas,” IEEE Int. Solid-State Circuits Conf. – Dig. Tech. Papers, Feb. 2000, pp. 328-329.
  4. B. A. Floyd and K. K. O, “The projected power consumption of a wireless clock distribution system and comparison to conventional distribution systems,” IEEE Int. Interconnect Techn. Conf. (IITC), May 1999, pp. 248-250.
  5. K.K. O, K. Kim, B. Floyd, J. Mehta, H. Yoon, C.-M. Hung, D. Bravo, T. Dickson, X. Guo, R. Li, N. Trichy, J. Caserta, W. Bomstad, J. Branch, D.-J. Yang, J. Bohorquez, J. Chen, E.-Y. Seok, J.E.Brewer, L. Gao, A. Sugavanam, J.-J. Lin, Y. Su, C. Cao, M.-H. Hwang, Y.-P. Ding, Z. Li, S.-H. Hwang, H. Wu, S. Sankaran, N. Zhang, “Silicon integrated circuits incorporating antennas,” IEEE Custom Int. Circuits Conf. (CICC), Sep. 2006, pp. 473-480.
  6. K. K. O, K. Kim, B. Floyd et al., “The feasibility of on-chip interconnection using antennas,” IEEE/ACM Int. Conf. on Computer-Aided Design (ICCAD), Nov. 2005, pp. 979-984.
  7. K. K. O, K. Kim, B. A. Floyd, J. L. Mehta, H. Yoon, C.-M. Hung, D. Bravo, T. O. Dickson, X. Guo, R. Li, N. Trichy, J. Caserta, W. R. Bomstad, II, J. Branch, D.-J. Yang, J. Bohorquez, E. Seok, L. Gao, A. Sugavanam, J.-J. Lin, J. Chen, and J. E. Brewer, “On-chip antennas in silicon ICs and their application,” IEEE Trans. Electron Devices, vol. 52, no. 7, pp. 1312-1323, July 2005.
  8. K. K. O, K. Kim, B. Floyd et al., “Wireless communications using integrated antennas,” IEEE Int. Interconnect Techn. Conf. (IITC), June 2003, pp. 111-113.
  9. T. Dickson, B. Floyd, and K. O, “Jitter in a wireless clock distribution system,” IEEE Int. Interconnect Techn. Conf. (IITC), June 2002, pp. 154-156.
  10. X. Guo, J. Caserta, R. Li, B. Floyd, and K. K. O, “Propagation layers for intra-chip wireless interconnection compatible with packaging and heat removal,” Symp. VLSI Techn. Dig. Tech. Papers, June 2002, pp. 36-37.
  11. D. Bravo, H. Yoon, K. Kim, B. Floyd, and K. K. O, “Estimation of the signal-to-noise ratio for on-chip wireless clock signal distribution,” IEEE Int. Interconnect Techn. Conf. (IITC), June 2000, pp. 9-11.
  12. K. K. O, K. Kim, B. A. Floyd, J. Mehta, and H. Yoon, “Inter and intra-chip wireless clock signal distribution using microwaves: a status of a feasibility study,” Govt. Microcircuit Applications Conf. (GOMACTech), Mar. 1999, pp. 306-309.

Miscellaneous

  1. J. Dusenbury, A. Attarde, M. Mayekar, J. Adams, and B. Floyd, “Scaling power and efficiency of direct antenna modulation transmitters using gallium nitride transistors,” IEEE AP-S Int. Symp., July 2024, pp. 795-796.
  2. S. Rylov, S. Reynolds, D. Storaska, B. Floyd, M. Kapur, T. Zwick, S. Gowda, and M. Sorna, “10+ gb/s 90-nm CMOS serial link demo in CBGA package,” IEEE J. Solid-State Circuits, vol. 40, no. 9, pp. 1987-1991, Sept. 2005.
  3. S. Rylov, S. Reynolds, D. Storaska, B. Floyd, M. Kapur, T. Zwick, S. Gowda, and M. Sorna, “10+ Gb/s 90nm CMOS serial link demo in CBGA package,” IEEE Custom Int. Circuits Conf. (CICC), Oct. 2004, pp. 27-30.
  4. W.-M. Kuo, Y. Lu, B. A. Floyd, B. M. Haugerud, A. K. Sutton, R. Krithivasan, J. D. Cressler, B. P. Gaucher, P. W. Marshall, R. A. Reed, and G. Freeman, “Proton radiation response of monolithic millimeter-wave transceiver building blocks implemented in 200 GHz SiGe technology,” IEEE Trans. Nucl. Sci., vol. 51, no. 6, part 2, pp. 3781-3787, Dec. 2004.

Book Chapters

  1. A. Natarajan and B. Floyd, “System-on-a-chip mm-wave silicon transmitters,” from mm-Wave Silicon Power Amplifiers and Transmitters, Cambridge Univ. Press, in press, 2015.
  2. S. Reynolds, A. Valdes-Garcia, B. Floyd, Y. Katayama, and A. Natarajan, “Millimeter-Wave System Overview,” from Millimeter-Wave Antennas, Packaging and Beyond,” Wiley, Chapter 16, 2009.
  3. A. M. Niknejad, B. A. Floyd, S. Emami, B. Heydari, E. Adabi, and B. Afshar, “Amplifiers and Mixers,” from mm-Wave Silicon Technology: 60 GHz and Beyond,” Springer, Chapter 4, 2008.
  4. S. Reynolds, B. Floyd, T. Beukema, T. Zwick, U. Pfeiffer, and H. Ainspan, “Wireless Design: A Direct Conversion Receiver IC for WCDMA Mobile Systems,” from Silicon Germanium: Technology, Modeling, and Design, Wiley-IEEE Press, Chapter 4.2, pp. 271-295, 2004.

Short-Courses, Forums, and Tutorial Presentations

  1. B. Floyd, “Beamforming arrays and their calibration,” IEEE Int. Solid-State Circuits Conf, Forum, Feb. 2020.
  2. B. Floyd, “Built-in test and calibration of phased arrays,” IEEE VLSI Symp., Short Course, Kyoto, Japan, June 2019.
  3. B. Floyd, “High-performance millimeter-wave beamformers with built-in self-test,” IEEE Custom Integrated Circuits Conf., Short Course, San Diego, CA, April 2018.
  4. B. Floyd, “Millimeter-Wave Circuits and Systems for Next-Generation Radios, Radars, and Imagers,” IEEE Conf. Electrical Performance of Electronic Packaging and Systems, Tutorial, Tempe, AZ, Oct. 2012.
  5. B. Floyd, “Millimeter-wave phased-array building blocks and transceivers in silicon,” IEEE Compound Semiconductor IC Symp., Short Course, Monterey, CA, Oct. 2010.
  6. B. Floyd, “SiGe BiCMOS transceivers for mmWave,” IEEE Bipolar/BiCMOS Circuits and Technology Mtg., Short Course, Sept. 2007.

Workshops

  1. B. Floyd, “Code-modulated embedded test and calibration of phased arrays,” IEEE MTT-S Int. Microwave Symp. Workshop, Philadelphia, PA, June 2018.
  2. B. Floyd, “Millimeter-Wave 5G Transceivers and Arrays,” IEEE MTT-S Int. Microwave Symp. Workshop, Honolulu, HA, June 2017.
  3. B. Floyd, “Millimeter-wave circuit and system capabilities and trade-offs for SiGe BiCMOS,” IEEE MTT-S Int. Microwave Symp. Workshop, Honolulu, HA, June 2017.
  4. B. Floyd, S. Reynolds, A. Valdes-Garcia, B. Gaucher, D. Liu, T. Beukema, A. Natarajan, “Silicon technology, circuits, packages, and systems for 60-100 GHz (Invited),” IEEE MTT-S Int. Microwave Symp. Workshop WSN, June 2007.
  5. B. Floyd, S. Reynolds, U. Pfeiffer, B. Gaucher, T. Beukema, J. Grzyb, “From transmission lines to transceivers: silicon mmWave ICs for 60GHz & beyond (Invited),” IEEE MTT-S Int. Microwave Symp. Workshop WSO, June 2006, pp. 21-38.
  6. B. Floyd, “Low noise circuit design in SiGe technology at 60 GHz and above (Invited),” IEEE MTT-S Int. Microwave Symp. Workshop WMC, June 2006, pp. 17-31.
  7. B. Floyd, B. Gaucher, “SiGe ICs for gigabit wireless transmission (Invited), IEEE Lester Eastman Conf. on High Performance Devices, Aug. 2006.
  8. B. Floyd, X. Guo, J. Caserta, T. Dickson, C. Hung, K. Kim, K. O, “Wireless interconnects for clock distribution (Invited),” ACM/IEEE Int. Workshop Timing Issues Specification Synthesis Digital Systems, Dec. 2002.

Panel Presentations

  1. B. Floyd, “Future of analog/mixed-signal test, challenges and opportunities,” IEEE Int. Workshop on Test and Validation of High-Speed Analog Circuits, Nov. 2018, panelist.
  2. B. Floyd, “5th Generation Wireless – where is that going and what’s in it for me?” IEEE Radio Freq. Integrated Circuits Symp. (RFIC) Panel , Honolulu, HA, June 2017, moderator.
  3. B. Floyd, “Phased Array 5G: Is Test Connected or Disconnected,” IEEE Int. Test Conf. (ITC) Panel, Ft. Worth, TX, Nov. 2016, panelist.
  4. B. Floyd, “Research is expensive, but innovation sells,” IEEE Radio Freq. Integrated Circuits Symp. (RFIC) Panel, Phoenix, AZ, May 2015, moderator.
  5. B. Floyd, “SiGe/CMOS RF-IC phased arrays: will they be used in defense and commercial systems?” IEEE Int. Microwave Symp. Panel, Boston, MA, June 2009, panelist.
  6. B. Floyd, “Millimeter-wave IC: is silicon winning? Is GaAs still alive?” IEEE Radio Freq. Integrated Circuits Symp. (RFIC) Panel , Atlanta, GA, June 2008, panelist.

Dissertations

  1. Saleh Almahmoud, “Amplitude-Modulated Characterization and Calibration of Phased Arrays Using Non-Coherent Detection,” Ph.D. Dissertation, NC State University, 2025.
  2. Ajit Attarde, “Direct Antenna Modulation Transmitter Using GaN Switch,” M.S. Thesis, NC State University, 2025.
  3. Tiantong Ren, “Toward High Output Power, Wide Bandwidth, Calibrated Phased-Array Transmitters for Millimeter-Wave Communication,” Ph.D. Dissertation, NC State University, 2024.
  4. Zhangjie Hong, “Phased Array Characterization and Calibration using Code-Modulated Embedded Test,” Ph.D. Dissertation, NC State University, 2024.
  5. Cody Ellington, “Enhanced Frequency-Selective N-Path Filters and Receivers,” Ph.D. Dissertation, NC State University, 2023.
  6. Yuan Chang, “Wideband Millimeter-Wave Phased Arrays and Their Calibration,” Ph.D. Dissertation, NC State University, 2023.
  7. Jacob Dean, “RF to Millimeter-Wave Receivers Employing Frequency-Translated Feedback,” Ph.D. Dissertation, NC State University, 2023.
  8. Sandeep Hari, “N-path Receivers and Filters: From RF to mmWave,” Ph.D. Dissertation, NC State University, 2023.
  9. Sakshi Agrawal, “Autonomous Calibration of Beamformers,” M.S. Thesis, NC State University, 2023.
  10. Ayush Malhotra, “Wideband Quadrature Clock Generation for Digital Beamforming Applications,” M.S. Thesis, NC State University, 2020.
  11. Vikas Chauhan, “Code Modulated Interferometric Imaging System using Phased Arrays,” Ph.D. Dissertation, NC State University, 2019.
  12. Madhuja Ghosh, “Behaviorally Modeled Code-Modulation Based Embedded Test for Phased Arrays,” M.S. Thesis, NC State University, 2019.
  13. Aparna Ramakrishna, “Harmonic Performance of Reconfigurable N-path Mixer-first Receiver Architecture with Circulant-Symmetric Baseband Feedback,” M.S. Thesis, NC State University, 2019.
  14. Charley Wilson, “Reconfigurable Passive Mixer-First Receivers,” Ph.D. Dissertation, NC State University, 2018.
  15. Weihu Wang, “Systematic Optimization of Phase Noise of Voltage-Controlled Oscillators for Millimeter-Wave Radar,” Ph.D. Dissertation, NC State University, 2018.
  16. Yi-Shin Yeh, “Distributed Beamforming Phased Arrays for Millimeter-Wave Radio,” Ph.D. Dissertation, NC State University, 2018.
  17. Kevin Greene, “Code-Modulated Embedded Test of Low-Cost, High-Performance Phased Arrays,” Ph.D. Dissertation, NC State University, 2017.
  18. Avinash Bhat, “Software Defined Radio – Passive Mixer Based Receiver Designs for mmWave Bands,” M.S. Thesis, NC State University, 2017.
  19. Anirban Sarkar, “Efficient Power Amplifiers for Millimeter-Wave Beamformers,” Ph.D. Dissertation, NC State University, 2016.
  20. Zhengxin Tong, “Silicon Millimeter-Wave Imaging Systems for Security and Biomedical Applications,” Ph.D. Dissertation, NC State University, 2015.
  21. Ashok Pusuluri, “Tunable Transmission Line for Microwave and mmWave Applications,” M.S. Thesis, NC State University, 2013.
  22. Brian Floyd, “A CMOS Wireless Interconnect System for Multigigahertz Clock Distribution,” Ph. D. Dissertation, University of Florida, 2001.

Patents

  1. B. Floyd, V. Chauhan, K. Greene, “Code-modulated phased-array interferometric imaging”, U.S. Patent 10,551,162, Feb. 4, 2020.
  2. B. Floyd, C. Wilson, J. Bonner-Stewart, “Tunable filters, cancellers, and duplexers based on passive mixers,” U.S. Patent 10,735,037, Aug. 4, 2020.
  3. B. Floyd, C. Wilson, J. Bonner-Stewart, “Tunable filters, cancellers, and duplexers based on passive mixers,” U.S. Patent 10,333,569, June 25, 2019.
  4. B. Floyd, C. Wilson, J. Bonner-Stewart, F. Vosburgh, “Tunable filters, cancellers, and duplexers based on passive mixers,” U.S. Patent. 9,800,278, Oct. 24, 2017.
  5. B. Floyd and C. Wilson, “Tunable filter employing feedforward cancellation,” U.S. Patent 9,654,983, May 16, 2017.
  6. T. Fujibayashi, B. Floyd, “Phase calibration circuit and method for multi-channel radar receiver,” U.S. Patent 9,453,906, Sep. 27, 2016.
  7. P. Chen, B. Floyd, J. Lai, A. Natarajan, S. Nicolson, S. Reynolds, M. Tsai, A. Valdes-Garcia, J. Zhan, “Phased-array transceiver for millimeter-wave frequencies, U.S. Patent 9,257,746, Feb. 9, 2016.
  8. P. Chen, B. Floyd, J. Lai, A. Natarajan, S. Nicolson, S. Reynolds, M. Tsai, A. Valdes Garcia, J. Zhan, “Phased-array transceiver for millimeter-wave frequencies,” U.S. Patent 8,618,983, Dec. 31, 2013.
  9. T. Beukema, B. Floyd, V. Leung, S. Reynolds, S. Rylov, “Apparatus and method for signal phase control in an integrated radio circuit,” U.S. Patent 9,253,004, Feb. 2, 2016.
  10. T. Beukema, B. Floyd, V. Leung, S. Reynolds, S. Rylov, “Apparatus and method for signal phase control in an integrated radio circuit,” U.S. Patent 9,137,070, Sep. 15, 2015.
  11. B. Floyd, A. Natarajan, V. Jain, S. Reynolds, “Compact imaging receiver in silicon,” U.S. Patent 8,866,079, Oct. 21, 2014.
  12. H. Chen, B. Floyd, D. Liu, “Circuit device with signal line transition element,” U.S. Patent 8,558,637, Oct. 15, 2013.
  13. B. Floyd, A. Natarajan, S. Reynolds, A. Valdes Garcia, M. Soyuer, “Differential cross-coupled power combiner or divider,” U.S. Patent 8,482,364, July 9, 2013.
  14. B. Floyd, D. Greenberg, R. Malladi, B. Orner, S. Reynolds, “Radio frequency integrated circuitry with on-chip noise source for self-test,” U.S. Patent 8,421,478, Apr. 16, 2013.
  15. H. Chen, B. Floyd, D. Liu, “Simple radio frequency integrated circuit (RFIC) packages with integrated antennas,” U.S. Patent 8,269,671, Sep. 18, 2012.
  16. H. Chen, B. Floyd, D.  Liu, “Compact millimeter wave package with integrated antennas,” U.S. Patent 8,256,685, Sep. 4, 2012.
  17. B. Floyd, D. Liu, R. Morton, “Method and apparatus for packaging an integrated chip with integrated antennas,” U.S. Patent 8,018,384, Sep. 13, 2011.
  18. J. Akkermans, B. Floyd, D. Liu, “Radio frequency (RF) integrated circuit (IC) packages having characteristics suitable for mass production,”  U.S. Patent 7,728,774, June 1, 2010.
  19. J. Akkermans, B. Floyd, D. Liu, “Radio frequency (RF) integrated circuit (IC) packages with integrated aperture-coupled patch antenna(s) in ring and/or offset cavities,” U.S. Patent 7,696,930, Apr. 13, 2010.
  20. B. Floyd, D. Liu, “Radio frequency (RF) integrated circuit (IC) packages with integrated aperture-coupled patch antenna(s),” U.S. Patent 7,692,590, Apr. 6, 2010.
  21. B. Floyd, A. Natarajan, “Phase-shifting and combining architecture for phased arrays,” U.S. Patent 7,683,833 B2, Mar. 23, 2010.
  22. B. Floyd, A. Natarajan, “Phase-shifting and combining architecture for phased arrays,” U.S. Patent 7,352,325 B1, Apr. 1, 2008.
  23. B. Floyd, D. Goren, U. Pfeiffer, S. Reynolds, “Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies,” U.S. Patent 7,629,852, Dec. 8, 2009.
  24. B. Floyd, D. Goren, U. Pfeiffer, S. Reynolds, “Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies,” U.S. Patent 7,459,981, Dec. 2, 2008.
  25. B. Floyd, D. Goren, U. Pfeiffer, S. Reynolds, “Circuits and methods for implementing transformer-coupled amplifiers at millimeter wave frequencies,” U.S. Patent 7,315,212, Jan. 1, 2008.
  26. B. Floyd, S Reynolds, “Variable-gain image-reject low-noise amplifier,” U.S. Patent 7,629,850, Dec. 8, 2009.
  27. B. Floyd, U. Pfeiffer, S. Reynolds, “On-chip circuit pad structure,” U.S. Patent 7,566,952, July 28, 2009.
  28. B. Floyd and S. Rylov, “Circuits and methods for implementing sub-integer-N frequency dividers using phase rotators,” U.S. Patent 7,486,145, Feb. 3, 2009.
  29. B. Floyd, U. Pfeiffer, S. Reynolds, T. Zwick, “Integrated millimeter-wave quadrature generator,” U.S. Patent 7,386,291, June 10, 2008.
  30. B. Floyd and T. Zwick, “Ultra-broadband integrated balun,” U.S. Patent 7,265,644, Sep. 4, 2007.
  31. B. Floyd, “Millimeter-wave unilateral low-noise amplifier,” U.S. Patent 7,265,630, Sep. 4, 2007.
  32. B. Floyd, U. Pfeiffer, S. Reynolds, A. Valdes Garcia, “Circuits and methods for implementing power amplifiers for millimeter-wave applications,” U.S. Patent 7,199,658, Apr. 3, 2007.
  33. M. Chirala, B. Floyd, T. Zwick, “DC isolated phase inverter and a ring hybrid coupler including the DC isolated phase inverter,” U.S. Patent 7,187,251, Mar. 6, 2007.
  34. B. Floyd, “Bypass switch topology for low-noise amplifiers,” U.S. Patent 6,930,546, Aug. 16, 2005.