Book Chapters

H. Krishnaswamy and H. Hashemi, “Integrated Beamforming Arrays,” in “mm-Wave Silicon Technology: 60 GHz and Beyond”, Springer, Jan. 25th 2008.

Peer-reviewed Publications

Anandaroop Chakrabarti, Jahnavi Sharma and Harish Krishnaswamy, “Dual-Output Stacked Class-EE Power Amplifiers in 45nm SOI CMOS for Q-band Applications,” submitted to 2012 IEEE RFIC Symposium.

Jahnavi Sharma and Harish Krishnaswamy, “215GHz CMOS signal source based on a Maximum-Gain Ring Oscillator topology,” (accepted) to appear in 2012 IEEE IMS.

Anandaroop Chakrabarti and Harish Krishnaswamy, “An Improved Analysis and Design Methodology for RF Class-E Power Amplifiers with Finite DC-feed Inductance and Switch On-Resistance,” (accepted) to appear in 2012 IEEE ISCAS.

H. Krishnaswamy, A. V.-Garcia and J.-W. Lai, “An All-Passive 60GHz 4-Element Phased-Array Beamformer Featuring a Differential Reflection-Type Phase Shifter,” 2010 IEEE Phased Array Systems and Technology Symposium, pp. 225-232, Oct. 2010.

H. Krishnaswamy and H. Hashemi, “A 4-channel, 4-beam, 24-26GHz, spatio-temporal RAKE radar transceiver in 90nm CMOS for vehicular radar applications,” in IEEE International Solid-State Circuits Conference Dig. Tech. Papers, pp. 214-215, Feb. 2010.

H. Hashemi and H. Krishnaswamy, “Challenges and Opportunities in Ultra-Wideband Antenna-Array Transceivers for Imaging,” (invited paper) 2009 IEEE International Conference on Ultra-Wideband, pp. 586-591, Sep. 2009.

Pre-Columbia

H. Krishnaswamy and H. Hashemi, “A Variable-Phase Ring Oscillator and PLL Architecture for Integrated Phased Array Transceivers,” IEEE Journal of Solid State Circuits, vol. 43, no. 11, pp. 2446-2463, November 2008.

H. Krishnaswamy and H. Hashemi, “Effect of Process Mismatches on Integrated CMOS Phased Arrays for Wireless Communications based on Multiphase Tuned Ring Oscillators,” IEEE Transactions on Microwave Theory and Techniques, vol. 56, no. 6, pp. 1305-1315, June 2008.

H. Krishnaswamy and H. Hashemi, “A 4-Channel, 24-27 GHz, UWB Phased Array Transmitter in 0.13um CMOS for Vehicular Radar,” in Proc. 2007 IEEE Custom Integrated Circuits Conference, pp. 753-756, Sep. 2007. (slides)

H. Krishnaswamy and H. Hashemi, “A Fully Integrated 24GHz 4-Channel Phased-Array Transceiver in 0.13um CMOS Based on a Variable-Phase Ring Oscillator and PLL Architecture,” in IEEE International Solid-State Circuits Conference Dig. Tech. Papers, pp. 124-591, Feb. 2007 (Recipient of the ISSCC 2007 Lewis Winner Award for Outstanding Paper).(slides)

H. Krishnaswamy and H. Hashemi, “A Rigorous Phase Noise Analysis of Tuned Ring Oscillators,” in IEEE Radio and Wireless Symposium, pp. 43-46, Jan. 2007.(slides)

H. Krishnaswamy and H. Hashemi, “Inductor- and Transformer-based Integrated RF Oscillators: A Comparative Study,” in Proc. 2006 IEEE Custom Integrated Circuits Conference, pp. 381-384, Sep. 2006.(slides)

J. Roderick, H. Krishnaswamy, K. Newton and H. Hashemi, “Silicon-Based Ultra-Wideband Beam Forming,” IEEE Journal of Solid State Circuits, vol. 41, no.8, pp. 1726-1739, August 2006.

J. Roderick, H. Krishnaswamy, K. Newton and H. Hashemi, “A 4-bit Ultra-Wideband Beamformer with 4ps True Time Delay Resolution,” in Proc. 2005 IEEE Custom Integrated Circuits Conference, pp. 805-808, Sep. 2005.

H. Krishnaswamy and H. Hashemi, “A 26 GHz Coplanar Stripline-based Current Sharing CMOS Oscillator,” in 2005 IEEE RFIC Symposium Dig. Papers, pp. 127-130, June 2005.(slides)

Workshops/Invited Tutorials/Presentations

Harish Krishnaswamy, “Efficient generation of power at mm-Wave and sub-mmWave frequencies in CMOS,” IBM T. J. Watson Research, October 2011.

Harish Krishnaswamy, “Silicon-based Millimeter-Wave Multiple-Antenna Transceivers—From Beamforming to Baseband,” IEEE Princeton-Central Jersey Section SSCS Chapter, May 2010.

Harish Krishnaswamy, “Silicon-based Millimeter-Wave Multiple-Antenna Transceivers—From Beamforming to Baseband,” invited tutorial, Austin Conference on Integrated Systems and Circuits, October 2009.

Harish Krishnaswamy, ``RF and mmWave Multiple-Antenna Systems – Techniques for Silicon Integration,” MIMO Circuits and Systems: Recent Developments and Future Outlook, 2009 IEEE Radio and Wireless Symposium, January 2009.

Pre-Columbia

H. Hashemi and H. Krishnaswamy, “24GHz CMOS Phased Arrays: New Developments at USC,” 24GHz ISM-band Communications Workshop, 2007 IEEE MTT-S International Microwave Symposium, June 2007.

J. Roderick, H. Krishnaswamy, K. Newton, T. Chu and H. Hashemi, “Silicon-Based Ultra-Wideband Beam Forming,” Short Range Ultra-Wideband Radio Systems, April 2006.

H. Krishnaswamy and B. Rozovsky, “Optimal nonlinear filtering for track-before-detect in low-SNR, infra-red search and track applications,” Seventh Southern California Nonlinear Control Workshop, Oct.-Nov. 2003.