Refereed Journal Articles

1.     W. Namgoong, “A Modified Proportional-Integral Loop Filter to Suppress DCO Noise in Digital PLL”, IEEE Trans. on Circuits and Systems II: Express Briefs, to appear (pre-print in IEEE Xplore)

2.     E. Babakrpur, W. Namgoong, “Digital Cancellation of Harmonic and Intermodulation Distortion in Wideband SAW-less Receivers”, IEEE Trans. on Circuits and Systems II: Express Briefs, to appear (pre-print in IEEE Xplore)

3.     E. Babakrpur, W. Namgoong, “A Dual-Path 4-Phase Nonuniform Wideband Receiver With Digital MMSE Harmonic Rejection Equalizer”, IEEE Trans. on Microwave Theory and Techniques, pp. 386-395, Feb. 2017

4.     E. Babakrpur, W. Namgoong, “Matching for Concurrent Harmonic Sensing in an M-Phase Mixer-First Receiver”, IEEE Trans. on Circuits and Systems II: Express Briefs, pp. 1017-1021, Sept. 2017

5.     W. Namgoong, “An All-Digital Approach to Supply Noise Cancellation in Digital Phase-Locked Loop”, IEEE Trans. on Very Large Scale Integration Systems, pp. 1025-1035, March 2016

6.     M. Ahmadi, W. Namgoong, “Comparator Power Reduction in Low-Frequency SAR ADC Using Optimized Vote Allocation”, IEEE Trans. on Very Large Scale Integration Systems, vol. 23, pp. 2384-2394, Nov. 2015

7.     M. Ahmadi, W. Namgoong, “Comparator Power Minimization Analysis for SAR ADC Using Multiple Comparators”, IEEE Trans. on Circuits and Systems I – Regular Papers, vol. 62, pp. 2369-2379, Oct. 2015

8.     W. Namgoong, “Adaptive and Robust Digital Harmonic-Reject Mixer with Optimized Local Oscillator Spacing”, IEEE Trans. on Circuits and Systems I – Regular Papers, vol. 62, pp. 580-589, Feb. 2015

9.     M. Ensafdaran, W. Namgoong, “Switched Current Integrating Sampler for Time Interleaved ADC”, IEEE Trans. on Circuits and Systems I – Regular Papers, vol. 61, pp. 12-25, Jan. 2014

10.  W. Namgoong, “A Wideband Digital Receiver with Hard-Switching Mixers for Cognitive Radio”, IEEE Journal of Emerging and Selected Topics in Circuits and Systems, vol. 3, pp. 576-585, Dec. 2013

11.  W. Namgoong, “Digital Equalization of a Polyphase Harmonic Mixer”, IEEE Trans. on Circuits and Systems II – Express Briefs, vol. 60, pp. 467-471, Aug. 2013

12.  W. Namgoong, P. Rabiei, “CRLB-Achieving I/Q Mismatch Estimator for Low-IF Receiver Using Repetitive Training Sequence in the Presence of CFO”, IEEE Trans. on Communications, vol. 60, pp. 706-713, March 2012

13.  P. Rabiei, W. Namgoong, N. Al-Dhahir, “On the Performance of OFDM-Based Amplify-and-Forward Relay Networks in the Presence of Phase Noise”, IEEE Trans. on Communications, vol. 59, pp. 1458-1466, May 2011

14.  P. Rabiei, W. Namgoong, N. Al-Dhahir, “Reduced-Complexity Joint Baseband Compensation of Phase Noise and I/Q Imbalance for MIMO OFDM”, IEEE Trans. on Wireless Communications, vol. 9, pp. 3450-3460, Nov. 2010

15.  P. Rabiei, W. Namgoong, N. Al-Dhahir, “A Non-Iterative Technique for Phase Noise ICI Mitigation in Packet-Based OFDM Systems”, IEEE Trans. on Signal Processing, vol. 58, pp.5945-5950, Nov. 2010

16.  W. Namgoong, “Flicker Noise in Observer-Controller Digital PLL”, IEEE Trans. on Circuits and Systems II – Express Briefs, vol. 57, pp.556-560, July 2010  (Nominated for best paper award).

17.  W. Namgoong, L. Feng, “Digital Processing of Single-Carrier Cyclic Prefixed Frequency Channelized Receiver for Serial Links”, IEEE Trans. on Circuits and Systems II – Express Briefs, vol. 57, pp.353-358, May 2010

18.  W. Namgoong, “Observer-Controller Digital PLL”, IEEE Trans. on Circuits and Systems I – Regular Papers, vol. 57, pp.631-641, March 2010

19.  S. Zogopoulos, W. Namgoong, “High-Speed Single-Ended Parallel Link Based on Three-Level Differential Encoding”, IEEE Journal of Solid-State Circuits, pp. 549-557, Feb. 2009

20.  A. Medi, W. Namgoong, “A High Data-Rate Energy-Efficient Interference-Tolerant Fully Integrated Frequency Channelized UWB Transceiver for Impulse Radio”, IEEE Journal of Solid-State Circuits, pp. 974-980, April 2008

21.  J. Lerdworatawee, W. Namgoong, “Generalized Linear Periodic Time-Varying Analysis for Noise Reduction in an Active Mixer,” IEEE Journal of Solid-State Circuits, pp. 1339-1351, June 2007.

22.  L. Feng, W. Namgoong, “An Oversampled Channelized UWB Receiver with Transmitted Reference Modulation,” IEEE Trans. on Wireless Communications, vol. 5, June 2006, pp. 1497-1505.

23.  J. Lerdworatawee, W. Namgoong, “Revisiting Spurious Free Dynamic Range of Communication Receivers,” IEEE Trans. on Circuits and Systems I - Regular Papers, vol. 53, April 2006, pp. 937-943.

24.  L. Feng, W. Namgoong, “An Analog/Digital Baseband Processor Design of a UWB Channelized Receiver for Transmitted Reference Signals” (Invited), Journal of VLSI Signal Processing, vol. 43, April 2006, pp. 59-71.

25.  L. Zhao, W. Namgoong, “A Novel Phase Noise Compensation for Communication Receivers,” IEEE Trans. on Communications, vol. 54, March 2006, pp. 532-542.

26.  J. Lerdworatawee, W. Namgoong, “Wideband Low Noise Amplifier Design Based on Source Degeneration Topology,” IEEE Trans. on Circuits and Systems I - Regular Papers, vol. 52, Nov. 2005, pp. 2327-2334.

27.  L. Feng, W. Namgoong, “An Adaptive Maximally Decimated Channelized UWB Receiver with Cyclic Prefix,” IEEE Trans. on Circuits and Systems I - Regular Papers, vol. 52, Oct. 2005, pp. 2165-2172.

28.  J. Sim, W. Namgoong, “Multi-Level Differential Encoding with Pre-Centering for High-Speed Parallel Link Transceiver,” IEEE Journal of Solid-State Circuits, vol. 40, August 2005, pp. 1688-1694.

29.  R. Scholtz, D. Pozar, W. Namgoong, “Ultra-Wideband Radio” (Invited), EURASIP Journal of Applied Signal Processing, Special Issue on Ultra-Wideband Radio, March 2005, pp. 252-272.

30.  W. Namgoong, “Modeling and Analysis of Nonlinearities and Mismatches in AC-Coupled Direct-Conversion Receiver,” IEEE Trans. on Wireless Communication, vol. 4, Jan. 2005, pp.163-173.

31.  W. Namgoong, J. Lerdworatawee, “Noise Figure of Digital Communication Receivers - Revisited,” IEEE Trans. on Circuits and Systems I - Regular Papers, vol. 51, July 2004, pp.1330-1335.

32.  J. Lerdworatawee, W. Namgoong, “Low Noise Amplifier Design for Ultra-Wideband Radio,” IEEE Trans. on Circuits and Systems I - Regular Papers, vol. 51, June 2004, pp. 1075-1087 (Top 20 Most Downloaded Paper in Transactions on Circuits and Systems I in 2005).

33.  W. Namgoong, “A Channelized Digital Ultra-Wideband Receiver”, IEEE Transactions on Wireless Communication, vol. 2, May 2003, pp. 502-510.

34.  W. Namgoong, T. Meng. “Minimizing Power Consumption in Direct Sequence Spread SpectrumCorrelators by Resampling IF Samples -- Part I: Performance Analysis”, IEEE Transactions on Circuits and Systems II - Analog and Digital Signal Processing, vol. 48, March 2001, pp. 450-459.

35.  W. Namgoong, T. Meng. “Minimizing Power Consumption in Direct Sequence Spread Spectrum Correlators by Resampling IF Samples -- Part II: Implementation Issues”, IEEE Transactions on Circuits and Systems II - Analog and Digital Signal Processing, vol. 48, March 2001, pp. 460-470.

36.  W. Namgoong, T. Meng. “Direct-Conversion RF Receiver Design”, IEEE Transactions on Communications, vol. 49, March 2001, pp. 518-529.

37.  W. Namgoong, “Performance of a Direct-Conversion Receiver with AC Coupling”, IEEE Transactions on Circuits and Systems II - Analog and Digital Signal Processing, vol. 47, no. 12, Dec. 2000, pp. 1556-1559.

38.  W. Namgoong, S. Reader, T. Meng. “An All-Digital Low-Power IF GPS Synchronizer”, IEEE Journal of Solid-State Circuits, vol. 35, no. 6, June 2000, pp. 856-864.

39.  S. Reader, W. Namgoong, T. Meng. “Partitioning Analog and Digital Processing in Mixed-Signal Systems”, Journal of VLSI Signal Processing, vol. 24, Feb. 2000, pp. 59-66.

40.  W. Namgoong, T. Meng, “A Low-Power Encoder for Pyramid Vector Quantization of Subband Coefficients”, Journal of VLSI Signal Processing, vol. 16, May 1997, pp. 9-23.