Location Estimation in Ad Hoc Networks with Directional Antennas. - Nipoon Malhotra; Mark D. Krasniewski; Chin-Lung Yang; Saurabh Bagchi; William J. Chappell (ICDCS, 2005)

Clock Generation and Distribution Using Traveling-Wave Oscillators with Reflection and Regeneration. - Ruilin Wang; Cheng-Kok Koh; Byunghoo Jung; William J. Chappell (CICC, 2006)

Energy-efficient on-demand reprogramming of large-scale sensor networks. - Mark D. Krasniewski; Rajesh Krishna Panta; Saurabh Bagchi; Chin-Lung Yang; William J. Chappell (ACM Trans. Sens. Networks, 2008)

Body-Worn Distributed MIMO System. - Yuehui Ouyang; David J. Love; William J. Chappell (IEEE Trans. Veh. Technol., 2009)

Mixed-signal integrated circuits for self-contained sub-cubic millimeter biomedical implants. - Eric Y. Chow; Sudipto Chakraborty; William J. Chappell; Pedro P. Irazoqui (ISSCC, 2010)

Fully Wireless Implantable Cardiovascular Pressure Monitor Integrated with a Medical Stent. - Eric Y. Chow; Arthur L. Chlebowski; Sudipto Chakraborty; William J. Chappell; Pedro P. Irazoqui (IEEE Trans. Biomed. Eng., 2010)

A generic miniature multi-feature programmable wireless powering headstage ASIC for implantable biomedical systems. - Rajkumar Kubendran; Harish Krishnan; Bhupendra Manola; Simon W. M. John; William J. Chappell; Pedro P. Irazoqui (EMBC, 2011)

Putting the Radio in "Software-Defined Radio": Hardware Developments for Adaptable RF Systems. - William J. Chappell; Eric J. Naglich; Christopher Maxey; Andrew C. Guyette (Proc. IEEE, 2014)

Selective Wireless Power Transfer for Smart Power Distribution in a Miniature-Sized Multiple-Receiver System. - Young-Joon Kim; Dohyuk Ha; William J. Chappell; Pedro P. Irazoqui (IEEE Trans. Ind. Electron., 2016)

Laser-Based Layer-by-Layer Polymer Stereolithography for High-Frequency Applications. - Jeff Maas; Bosui Liu; Shloke Hajela; Yilei Huang; Xun Gong 004; William J. Chappell (Proc. IEEE, 2017)