Publications

2014

  • Y. Tanabe, T. Chang, A. J. Yeh, and A. S. Y. Poon, “A small dual-band asymmetric dipole antenna for 13.56 MHz power and 2.45 GHz data transmission,” IEEE Antennas Wireless Propag. Lett., 13, 1120-1123 (2014).
  • J. S. Ho, A. J. Yeh, E. Neofytou, S. Kim, Y. Tanabe, B. Patlolla, R. E. Beygui, and A. S. Y. Poon, “Wireless power transfer to deep-tissue microimplants,” PNAS, 111, 7974-7979 (2014). Featured on the cover.
  • J. S. Ho and A. S. Y. Poon, “Refraction and optimal focusing at a planar interface,” Proc. Allerton Conference, Champaign, IL, Oct. 2014.
  • M. Taghivand, Y. Rajavi, K. Aggarwal, and A. S. Y. Poon, “An energy harvesting 2×2 60GHz transceiver with scalable data rate of 38-to-2450Mb/s for near range communication,” Proc. IEEE Custom Integrated Circuits Conference (CICC), San Jose, CA, Sept. 2014.
  • A. J. Yeh, J. S. Ho, and A. S. Y. Poon, “Optical probe for input-impedance measurement of in vivo power-receiving microstructure,” Proc. IEEE International Symposium on Antennas and Propagation (APS), Memphis, TN, July 2014.
  • M. Taghivand, K. Aggarwal, and A. S. Y. Poon, “A 3.24GHz to 8.45GHz low phase noise mode switching oscillator,” Proc. IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, Feb. 2014. Slides.
  • J. S. Ho, A. J. Yeh, S. Kim, and A. S. Y. Poon, “Wireless powering for miniature implantable systems,” Neural Computation, Neural Devices, and Neural Prosthesis, Springer New York, 2014.

 

2013

 

2012

 

2011

  • A. S. Y. Poon and D. N. C. Tse, “Degree-of-freedom gain from using polarimetric antenna elements,” IEEE Trans. Information Theory, 57, 5695 (2011).
  • Y. M. Tsang and A. S. Y. Poon, “Detecting human blockage and device movement in mmWave communication system,” Proc. IEEE Global Telecommunications Conference (GLOBECOM), Houston, Texas, Dec. 2011.
  • Y. M. Tsang, S. Addepalli, and A. S. Y. Poon, “Coding the beams: improving beamforming training in mmWave communication system,” Proc. IEEE Global Telecommunications Conference (GLOBECOM), Houston, Texas, Dec. 2011.
  • Y. M. Tsang and A. S. Y. Poon, “Successive AoA estimation: revealing the second path for 60 GHz communication system,” Proc. Allerton Conference, Champaign, Illinois, Sept. 2011.
  • S. Kim and A. S. Y. Poon, “Optimal transmit dimension for wireless powering of miniature implants,” Proc. IEEE International Symposium on Antennas and Propagation (APS), Spokane, WA, July 2011.
  • S. Lin, K. B. Ng, H. Wong, L. M. Luk, S. S. Wong, and A. S. Y. Poon, “A 60GHz digitally controlled RF beamforming array in 65nm CMOS with off-chip antennas,” Proc. IEEE RFIC Symposium, Baltimore, MD, June 2011.
  • A. S. Y. Poon, “Future implantable systems,” Proc. IEEE Technology Time Machine Symposium (TTM), Hong Kong, June 2011.
  • “Wireless communication device using adaptive beamforming,” US Patent 7904117, Mar 8, 2011.

 

2010

  • R. Tseng, H. Li, D. H. Kwon, Y. Chiu, and A. S. Y. Poon, “A four-channel beamforming down-converter in 90-nm CMOS utilizing phase-oversampling,” IEEE Journal of Solid-State Circuits, 45, 2262 (2010).
  • A. S. Y. Poon, S. O’Driscoll, and T. H. Meng, “Optimal frequency for wireless power transmission into dispersive tissue,” IEEE Trans. Antennas and Propagation, 58, 1739 (2010).
  • Y. M. Tsang, S. Lin, and A. S. Y. Poon, “Fast beam training for mmWave communication system: from algorithm to circuits,” Proc. of the 2010 ACM international workshop on mmWave communications: from circuits to networks, Chicago, IL, Sept. 2010.
  • D. Pivonka, T. H. Meng, and A. S. Y. Poon, “Translating electromagnetic torque into controlled motion for use in medical implants,” Proc. IEEE Engineering in Medicine and Biology Society Annual International Conference (EMBC), Buenos Aires, Argentina, Sept. 2010.
  • S. Kim and A. S. Y. Poon, “Optimizations of source distribution in wireless power transmission for implantable devices,” Proc. IEEE International Symposium on Antennas and Propagation (APS), Toronto, ON, Canada, July 2010.
  • A. S. Y. Poon, “Degree-of-freedom gain from polarimetric antenna elements,” Proc. IEEE International Symposium on Antennas and Propagation (APS), Toronto, ON, Canada, July 2010.

 

2009

 

2008

 

2007

 

2006

  • A. S. Y. Poon, D. N. C. Tse, and R. W. Brodersen, “Impact of scattering on the capacity, diversity, and propagation range of multiple-antenna channels,” IEEE Trans. Information Theory, 52, 1087 (2006). (The original version includes more descriptions of electromagnetics where some people find it more interesting.)
  • A. S. Y. Poon, “An energy-efficient reconfigurable baseband processor for flexible radios,” Proc. IEEE Workshop on Signal Processing Systems, Banff, AB, Canada, pp. 393–398, Oct. 2006.
  • “Apparatus and method to form a transform,” US Patent 20060235918, Oct. 19, 2006.
  • “Link adaptation for MIMO transmission schemes,” US Patent 7120199, Oct. 10, 2006.
  • “Adaptive bit loading for multicarrier communication system,” International Patent 2006/076193, July 20, 2006.
  • “Bit distributor for multicarrier communication systems employing adaptive bit loading for multiple spatial streams and methods,” US Patent 20060156087, July 13, 2006.
  • “Code rate adaptation in a MIMO system using virtual channels,” International Patent 2006/055332, May 26, 2006.
  • “Technique to increase a code rate in a MIMO system using virtual channels,” US Patent 20060104379, May 18, 2006.
  • “Method and system for closed loop transmit beamforming in MIMO systems with limited feedback,” International Patent 2006/041595, April 20, 2006.
  • “Determining spatial power allocation and bit loading for a MIMO OFDM system without feedback information about the channel,” International Patent 2006/039614, April 13, 2006.
  • “Deterministic spatial power allocation and bit loading for closed loop MIMO,” US Patent 20060067428, Mar. 30, 2006.
  • “Closed loop feedback in MIMO systems,” US Patent 20060056335, Mar 16, 2006.
  • “Closed loop MIMO systems using codebooks for feedback,” International Patent 2006/007148, Jan. 19, 2006.

 

2005

  • A. S. Y. Poon, R. W. Brodersen, and D. N. C. Tse, “Degrees of freedom in multiple-antenna channels: a signal space approach,” IEEE Trans. Information Theory, 51, 523 (2005).
  • “Compact feedback for closed loop MIMO systems,” US Patent 20050286663, Dec. 29, 2005.
  • “Spatial puncturing apparatus, method, and system,” US Patent 20050286404, Dec. 29, 2005.

 

2004 and Before

 

PhD Theses

  • Sanghoek Kim, “A bound on wireless power transfer to subwavelength devices in the body,” 2013.
  • Anatoly Yakovlev, “Efficient and high-speed reconfigurable transceiver for miniaturized wirelessly powered implants,” 2013.
  • Saihua Lin, “60-GHz 4-element RF beamforming receiver array,” 2011.
  • Richard Tseng, “Vector modulators for analog-beamforming receivers,” 2010.