Improving energy-efficiency in building automation with event-driven radio. - Yan Zhang 018; Arjan Breeschoten; Xiongchuan Huang; Nauman F. Kiyani; Ao Ba; Pieter Harpe; Koji Imamura; Ruben de Francisco; Valer Pop; Guido Dolmans; Harmke de Groot (WCSP, 2011)

A 915MHz 120μW-RX/900μW-TX envelope-detection transceiver with 20dB in-band interference tolerance. - Xiongchuan Huang; Ao Ba; Pieter Harpe; Guido Dolmans; Harmke de Groot; John R. Long (ISSCC, 2012)

A 915 MHz, Ultra-Low Power 2-Tone Transceiver With Enhanced Interference Resilience. - Xiongchuan Huang; Ao Ba; Pieter Harpe; Guido Dolmans; Harmke de Groot; Jeffrey Richard Long (IEEE J. Solid State Circuits, 2012)

A 1.9nJ/b 2.4GHz multistandard (Bluetooth Low Energy/Zigbee/IEEE802.15.6) transceiver for personal/body-area networks. - Yao-Hong Liu; Xiongchuan Huang; Maja Vidojkovic; Ao Ba; Pieter Harpe; Guido Dolmans; Harmke de Groot (ISSCC, 2013)

9.8 An 860μW 2.1-to-2.7GHz all-digital PLL-based frequency modulator with a DTC-assisted snapshot TDC for WPAN (Bluetooth Smart and ZigBee) applications. - Vamshi Krishna Chillara; Yao-Hong Liu; Bindi Wang; Ao Ba; Maja Vidojkovic; Kathleen Philips; Harmke de Groot; Robert Bogdan Staszewski (ISSCC, 2014)

9.5 A 1.2nJ/b 2.4GHz receiver with a sliding-IF phase-to-digital converter for wireless personal/body-area networks. - Yao-Hong Liu; Ao Ba; Johan H. C. van den Heuvel; Kathleen Philips; Guido Dolmans; Harmke de Groot (ISSCC, 2014)

9.7 A 0.33nJ/b IEEE802.15.6/proprietary-MICS/ISM-band transceiver with scalable data-rate from 11kb/s to 4.5Mb/s for medical applications. - Maja Vidojkovic; Xiongchuan Huang; Xiaoyan Wang 002; Cui Zhou; Ao Ba; Maarten Lont; Yao-Hong Liu; Pieter Harpe; Ming Ding 003; Ben Busze; Nauman F. Kiyani; Kouichi Kanda; et al. (ISSCC, 2014)

A 1.2 nJ/bit 2.4 GHz Receiver With a Sliding-IF Phase-to-Digital Converter for Wireless Personal/Body Area Networks. - Yao-Hong Liu; Ao Ba; Johan H. C. van den Heuvel; Kathleen Philips; Guido Dolmans; Harmke de Groot (IEEE J. Solid State Circuits, 2014)

Design and built-in characterization of digital-to-time converters for ultra-low power ADPLLs. - Peng Chen 022; Xiongchuan Huang; Yao-Hong Liu; Ming Ding 003; Cui Zhou; Ao Ba; Kathleen Philips; Harmke de Groot; Robert Bogdan Staszewski (ESSCIRC, 2015)

13.2 A 3.7mW-RX 4.4mW-TX fully integrated Bluetooth Low-Energy/IEEE802.15.4/proprietary SoC with an ADPLL-based fast frequency offset compensation in 40nm CMOS. - Yao-Hong Liu; Christian Bachmann; Xiaoyan Wang 002; Yan Zhang 018; Ao Ba; Benjamin Busze; Ming Ding 003; Pieter Harpe; Gert-Jan van Schaik; Georgios N. Selimis; Hans Giesen; Jordy Gloudemans; et al. (ISSCC, 2015)

A 0.33 nJ/bit IEEE802.15.6/Proprietary MICS/ISM Wireless Transceiver With Scalable Data Rate for Medical Implantable Applications. - Ao Ba; Maja Vidojkovic; Kouichi Kanda; Nauman F. Kiyani; Maarten Lont; Xiongchuan Huang; Xiaoyan Wang 002; Cui Zhou; Yao-Hong Liu; Ming Ding 003; Benjamin Busze; Shoichi Masui; et al. (IEEE J. Biomed. Health Informatics, 2015)

A 0.9-1.2V supplied, 2.4GHz Bluetooth Low Energy 4.0/4.2 and 802.15.4 transceiver SoC optimized for battery life. - Xiaoyan Wang 002; Johan H. C. van den Heuvel; Gert-Jan van Schaik; Chuang Lu; Yuming He; Ao Ba; Benjamin Busze; Ming Ding 003; Yao-Hong Liu; Nick Winkel; Menno Wildeboer; Christian Bachmann; et al. (ESSCIRC, 2016)

26.3 A 1.3nJ/b IEEE 802.11ah fully digital polar transmitter for IoE applications. - Ao Ba; Yao-Hong Liu; Johan H. C. van den Heuvel; Paul Mateman; Benjamin Busze; Jordy Gloudemans; Peter Vis; Johan Dijkhuis; Christian Bachmann; Guido Dolmans; Kathleen Philips; Harmke de Groot (ISSCC, 2016)

A 1.3 nJ/b IEEE 802.11ah Fully-Digital Polar Transmitter for IoT Applications. - Ao Ba; Yao-Hong Liu; Johan H. C. van den Heuvel; Paul Mateman; Benjamin Busze; Johan Dijkhuis; Christian Bachmann; Guido Dolmans; Kathleen Philips; Harmke de Groot (IEEE J. Solid State Circuits, 2016)

17.4 A sub-mW antenna-impedance detection using electrical balance for single-step on-chip tunable matching in wearable/implantable applications. - Chuang Lu; Ao Ba; Yao-Hong Liu; Xiaoyan Wang 002; Christian Bachmann; Kathleen Philips (ISSCC, 2017)

An Energy-Efficient Antenna Impedance Detection Using Electrical Balance for Single-Step On-Chip Tunable Matching in Wearable/Implantable Applications. - Minyoung Song; Chuang Lu; Ao Ba; Xiaoyan Wang 002; Yao-Hong Liu; Kenichi Shibata; Christian Bachmann; Kathleen Philips (IEEE Trans. Biomed. Circuits Syst., 2017)