C. J.  Lukas, Yahya, F. B., Breiholz, J., Roy, A., Chen, X., Patel, H. N., Liu, N. X., Kosari, A., Li, S., Kamakshi, D. Akella, Ayorinde, O., Wentzloff, D. D., and Calhoun, B. H., ?A 1.02 ?W Battery-Less, Continuous Sensing and Post-Processing SiP for Wearable Applications?, IEEE Transactions on Biomedical Circuits and Systems, 2019.

J.  Moody, Bassirian, P., Roy, A., Liu, N. X., N Barker, S., Calhoun, B. H., and Bowers, S. M., ?Interference Robust Detector-First Near-Zero Power Wake-Up Receiver?, IEEE Journal of Solid-State Circuits, 2019.

P.  Bassirian, Moody, J., Lu, R., Gao, A., Manzaneque, T., Roy, A., N Barker, S., Calhoun, B. H., Gong, S., and Bowers, S. M., ?Nanowatt-Level Wakeup Receiver Front Ends Using MEMS Resonators for Impedance Transformation?, IEEE Transactions on Microwave Theory and Techniques, 2019.

S.  Li, Roy, A., and Calhoun, B. H., ?A Piezoelectric Energy-Harvesting System with Parallel-SSHI Rectifier and Integrated Maximum-Power-Point Tracking?, IEEE Solid-State Circuits Letters (SSCL), Special Issue on VLSI (invited paper), 2019.

S.  Li, Roy, A., and Calhoun, B. H., ?A Piezoelectric Energy-Harvesting System with Parallel-SSHI Rectifier and Integrated MPPT Achieving 417% Energy-Extraction Improvement and 97% Tracking Efficiency?, in 2019 Symposium on VLSI Circuits, Kyoto, Japan, 2019.

J.  Moody, Bassirian, P., Roy, A., Liu, N. X., Pancrazio, S., N. Barker, S., Calhoun, B. H., and Bowers, S. M., ?A -76dBm 7.4 nW wakeup radio with automatic offset compensation?, in International Solid-State Circuits Conference (ISSCC), 2018.

A.  Roy and Calhoun, B. H., ?A 71% Efficient Energy Harvesting and Power Management Unit for Sub-µW Power Biomedical Applications?, in 2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Turin, Italy, 2017.

J.  Moody, Bassirian, P., Roy, A., Feng, Y., Li, S., Costanzo, R., N. Barker, S., Calhoun, B. H., and Bowers, S. M., ?An 8.3 nW -72 dBm Event Driven IoE Wake Up Receiver RF Front End?, in 2017 European Microwave Integrated Circuit Conference (EuMIC), Nuremberg, Germany, 2017.

F.  Yahya, Lukas, C. J., Breiholz, J., Roy, A., Patel, H. N., Liu, N. X., Chen, X., Kosari, A., Li, S., Akella, D., Ayorinde, O., Wentzloff, D. D., and Calhoun, B. H., ?A battery-less 507nW SoC with integrated platform power manager and SiP interfaces?, in 2017 Symposium on VLSI Circuits, Kyoto, Japan, 2017.

A.  Roy, Grossmann, P., Vitale, S., and Calhoun, B., ?A 1.3?W, 5pJ/cycle sub-threshold MSP430 processor in 90nm xLP FDSOI for energy-efficient IoT applications?, in International Symposium on Quality Electronic Design (ISQED), Santa Clara, CA, 2016.

A.  Roy and Calhoun, B., ?Exploring Circuit Robustness to Power Supply Variation in Low-Voltage Latch and Register-Based Digital Systems?, in IEEE International Symposium on Circuits and Systems (ISCAS), Montreal, Canada, 2016.

A.  Klinefelter, Roberts, N., Shakhsheer, Y., Gonzalez, P., Shrivastava, A., Roy, A., Craig, K., Faisal, M., Boley, J., Oh, S., Zhang, Y., Akella, D., Wentzloff, D. D., and Calhoun, B., ?A 6.45 ?W Self-Powered IoT SoC with Integrated Energy-Harvesting Power Management and ULP Asymmetric Radios?, in ISSCC, San Francisco, CA, 2015.

A.  Roy, Klinefelter, A., Yahya, F., Chen, X., Gonzalez, P., Lukas, C. J., Akella, D., Boley, J., Craig, K., Faisal, M., Oh, S., Roberts, N., Shakhsheer, Y., Shrivastava, A., Vasudevan, D., Wentzloff, D. D., and Calhoun, B., ?A 6.45?W Self-Powered SoC with Integrated Energy-Harvesting Power Management and ULP Asymmetric Radios for Portable Biomedical Systems?, IEEE Transactions on Biomedical Circuits and Systems, vol. 9, pp. 862-874, 2015.