• J. S. Lehnert and M. B. Pursley, "Error probabilities for binary direct-sequence spread-spectrum communications with random signature sequences," IEEE Transactions on Communications, vol. COM-35, pp. 87-98, January 1987.
  
  
• J. S. Lehnert and M. B. Pursley, "Multipath diversity reception of coherent direct-sequence spread-spectrum communications," IEEE Transactions on Communications, vol. COM-35, pp. 1189-1198, November 1987.
  
  
• J. S. Lehnert, "An efficient technique for evaluating direct-sequence spread-spectrum communications," IEEE Transactions on Communications, vol. COM-37, pp. 851-858, August 1989.
  
  
• R. K. Morrow, Jr. and J. S. Lehnert, "Bit-to-bit error dependence in slotted DS/SSMA packet systems with random signature sequences," IEEE Transactions on Communications, vol. COM-37, pp. 1052-1061, October 1989.
  
  
• J. S. Lehnert, "Serial MSK spread-spectrum multiple-access communications," IEEE Transactions on Communications, vol. COM-40, pp. 1119-1127, June 1992.
  
  
• R. T. Hsu and J. S. Lehnert, "A characterization of multiple-access interference in generalized quadriphase spread-spectrum communications," IEEE Transactions on Communications, vol. COM-42, pp. 2001-2010, April 1994.
  
  
• A. R. Akinniyi and J. S. Lehnert, "Characterization of noncoherent spread-spectrum multiple-access communication systems," IEEE Transactions on Communications, vol. COM-42, pp. 139-148, January 1994.
  
  
• R. K. Morrow, Jr. and J. S. Lehnert, "Throughput of slotted spread-spectrum packet radio systems," IEEE Transactions on Communications, vol. COM-40, pp. 1223-1230, July 1992.
  
  
• T. M. Lok and J. S. Lehnert, "DS/SSMA communication system with trellis coding and CPM," IEEE Journal on Selected Areas in Communications, vol. 12, pp. 716-722, May 1994.
  
  
• T. M. Lok and J. S. Lehnert, "An asymptotic analysis of DS/SSMA communication systems with random polyphase signature sequences," IEEE Transactions on Information Theory, vol. 42, pp. 129-136, January 1996.
  
  
• T. M. Lok and J. S. Lehnert, "Error probabilities for generalized quadriphase DS/SSMA communication systems with random signature sequences," IEEE Transactions on Communications, vol. COM-44, pp. 876-885, July 1996.
  
  
• R. T. Hsu and J. S. Lehnert, "The performance of continuous phase-coded DS/SSMA communications," IEEE Transactions on Communications, vol. 46, no. 4, pp. 533-543, April 1998.
  
  
• P. W. de Graaf and J. S. Lehnert, "Performance comparison of a slotted ALOHA DS/SSMA network and a multi-channel narrowband slotted ALOHA network," IEEE Transactions on Communications, vol. 46, no. 4, pp. 544-552, April 1998.
  
  
• J. A. Young and J. S. Lehnert, "Analysis of DFT-based frequency excision algorithms for direct-sequence spread-spectrum communications," IEEE Transactions on Communications, vol. 46, no. 8, pp.1076-1087, August 1998.
  
  
• A. T. McDowell and J. S. Lehnert, "General techniques for evaluating DS/SSMA interference illustrated by evaluating a noncoherent DS/SSMA system," IEEE Transactions on Communications, vol. COM-44, pp. 1730-1737, December 1996.
  
  
• T. T. Chen and J. S. Lehnert, "TCM/SSMA communication systems with cascaded-sequences and PAM/QAM signal sets," IEEE Transactions on Communications, vol. 46, no. 7, pp. 950-956, July 1998.
  
  
• T. M. Lok and J. S. Lehnert, "Asymptotic analysis of DS/SSMA communication systems with general linear modulation and error control coding," IEEE Transactions on Information Theory, vol. 44, pp. 870-881, March 1998 (Correspondence Item).
  
  
• T. F. Wong, T. M. Lok, J. S. Lehnert, and M. D. Zoltowski, "A linear receiver for direct-sequence spread-spectrum multiple-access systems with antenna arrays and blind adaptation," IEEE Transactions on Information Theory, vol. 44, pp. 659-676, March 1998.
  
  
• Q. Zhang, T. F. Wong, and J. S. Lehnert, "Buffered type-II hybrid ARQ protocol for DS-SSMA packet radio systems," International Journal on Wireless Information Networks, vol. 5, no. 3, pp. 203-217, July 1998.
  
  
• T. T. Chen and J. S. Lehnert, "Bounds on the pairwise error probability of coded DS/SSMA communication systems in Rayleigh fading channels," IEEE Transactions on Communications, vol. 46, no. 12, pp. 1685-1692, December 1998.
  
  
• T. F. Wong, T. M. Lok, and J. S. Lehnert, "Asynchronous multiple-access interference suppression and chip waveform selection with aperiodic random sequences," IEEE Transactions on Communications, vol. 47, no. 1, pp. 103-114, January 1999.
  
  
• Q. Zhang, T. F. Wong, and J. S. Lehnert, "Performance of a type-II hybrid ARQ protocol in slotted DS/SSMA packet radio systems," IEEE Transactions on Communications, vol. 47, no. 2, pp. 281-290, February 1999.
  
  
• T. M. Lok, T. F. Wong, and J. S. Lehnert, "Blind adaptive signal reception for MC-CDMA systems in Rayleigh fading channels," IEEE Transactions on Communications, vol. 47, no. 3, pp. 464-471, March 1999.
  
  
• J. A. Young and J. S. Lehnert, "Performance metrics for windows used in real-time DFT-based multiple tone frequency excision," IEEE Transactions on Signal Processing, vol. 47, no. 3, pp. 800-812, March 1999.
  
  
• T. T. Chen and J. S. Lehnert, "Multiuser decision-feedback receivers for asynchronous CDMA systems over a mismatched Rayleigh fading channel," IEEE Transactions on Communications, vol. 48, no. 9, pp. 1563-1570, September 2000.
  
  
• T. F. Wong, Q. Zhang, and J. S. Lehnert, "Decision-feedback MAP receiver for time-selective fading CDMA channels," IEEE Transactions on Communications, vol. 48, no. 5, pp. 829-840, May 2000.
  
  
• J. Namgoong, T. F. Wong, and J. S. Lehnert, "Subspace multiuser detection for multicarrier DS-CDMA," IEEE Transactions on Communications, vol. 48, no. 11, pp. 1897-1908, November 2000.
  
  
• Shiauhe Tsai, Wen Gao, and James S. Lehnert, "Reduced complexity adaptive MAP receiver for frequency flat, fast varying CDMA channels", Special Issue of Journal of Wireless Personal Communications, Kluwer Academic Publishers, vol. 17, no. 1, pp. 45-64, April 2001.
  
  
• L. Ding and J. S. Lehnert, "Power control using two-level channel inversion for data traffic in a cellular CDMA system: performance and optimal design," International Journal on Wireless Information Networks, vol. 7, no. 3, pp. 115-132, July 2000.
  
  
• J. H. Cho and J. S. Lehnert, "Performance of a spatio-temporal matched filter receiver for DS/SSMA communications with random spreading sequences," IEEE Journal on Selected Areas in Communications, vol. 18, no. 8, pp. 1505-1515, August 2000.
  
  
• S. Tsai, T. F. Wong, and J. S. Lehnert, "Spread-spectrum system with joint channel estimation and MAP detection in time-selective fading channels," IEEE Journal on Selected Areas in Communications, vol. 19, no. 1, pp. 121-131, January 2001.
  
  
• J. H. Cho and J. S. Lehnert, "Blind adaptive multiuser detection for DS/SSMA communications with generalized random spreading in a frequency selective fading channel," IEEE Transactions on Communications, vol. 49, no. 6, pp. 1082-1091, June 2001.
  
  
• L. Ding and J. S. Lehnert, "An uplink power control based on truncated channel inversion for data traffic in a cellular CDMA system," IEEE Transactions on Vehicular Technology, vol. 50, no. 3, pp. 854-866, May 2001.
  
  
• L. Ding and J. S. Lehnert, "Erlang capacity of a voice/data cellular CDMA uplink system using prioritized admission control and adaptive power control," International Journal of Wireless Information Networks, vol. 8, no. 1, pp. 1-14, January 2001.
  
  
• W. Gao, J. Cho, and J. Lehnert , "Chip waveform design for DS/SSMA systems with aperiodic random spreading sequences," IEEE Transactions on Wireless Communications, , vol. 1, no. 1, pp. 37-45, January 2002.
  
  
• J. H. Cho and J. S. Lehnert, "An optimal signal design for band-limited asynchronous DS-CDMA communications," IEEE Transactions on Information Theory, vol. 48, no. 5, pp. 1172-1185, May 2002.
  
  
• J. Namgoong and J. S. Lehnert, "Performance of multicarrier DS/SSMA systems in frequency-selective fading channels," IEEE Transactions on Wireless Communications, vol. 1, no. 2, pp. 236-244, April 2002.
  
  
• J. H. Cho, Y. K. Jeong, and J. S. Lehnert, "Average BER performance of band-limited DS/SSMA communications," IEEE Transactions on Communications, vol. 50, no. 7, pp. 1150-1159, July 2002.
  
  
• W. Gao, S. Tsai, and J. S. Lehnert, "Diversity combining for DS/SS systems with time-varying, correlated multipath fading channels," IEEE Transactions on Communications, vol. 51, no. 2, pp. 284-295, Feb. 2003.
  
  
• S. Kang and J. Lehnert, "Receiver diversity scheme for OFDM systems," Electronic Letters, vol. 39, no. 18, pp. 1359-1361, September 4, 2003.
  
  
• S. Tsai, J. S. Lehnert, and M. R. Bell, "Convergence of an optimal channel estimation algorithm for DS-SSMA systems in time-varying channels with strong interference," IEEE Transactions on Communications, vol. 53, no. 1, pp. 142-151, January 2005.
  
  
• A. T. McDowell, J. S. Lehnert, and Y. K. Jeong, "Dual-phase continuous phase modulation for use in spread-spectrum multiple-access communication," IEEE Transactions on Communications, vol. 52, no. 5, pp. 823-833, May 2004.
  
  
• Y. K. Jeong, J. H. Cho, and J. S. Lehnert, "Performance bounds on chip-matched-filter receivers for band-limited DS/SSMA communications," IEEE Transactions on Communications, vol. 53, no. 1, pp. 131-141, January 2005.
  
  
• B. P. Hombs and J. S. Lehnert, "Multiple-access interference suppression for MC-CDMA by frequency domain oversampling," IEEE Transactions on Communications, vol. 53, no. 4, pp. 677-686, April 2005.
  
  
• J. H. Cho, Y. K. Jeong, and J. S. Lehnert, "Linear Suppression of wideband data-like Interference in DS/SS Communications," IEEE Journal on Selected Areas in Communications, Special Issue on Advances in Military Wireless Communications, vol. 23, no. 5, pp. 973-983, May 2005.
  
  
• B. Ni and J. S. Lehnert, "Performance of an incoherent temporal spreading OCDMA system with broadband light sources," IEEE/OSA Journal of Lightwave Technology, vol. 23, no. 7, pp. 2206-2214, July 2005.
  
  
• Y. K. Jeong, J. H. Cho, and J. S. Lehnert, "An asymptotic analysis of band-limited DS/SSMA communication systems," IEEE Transactions on Information Theory, vol. 52, no. 2, pp. 759-766, February 2006.
  
  
• J. Zhang and J. S. Lehnert, "Performance of multicarrier DS/SSMA over fast Rayleigh fading channels with Doppler diversity," IEEE Transactions on Communications, vol. 54, no. 2, pp. 273-283, February 2006.
  
  
• J. Zhang and J. S. Lehnert, "Space-time coded asynchronous DS/CDMA with decentralized MAI suppression: performance and spectral efficiency," IEEE Transactions on Wireless Communications, vol. 7, no. 5, pp. 1550-1559, May 2008.
  
  
• B. Hombs and J. S. Lehnert, "Increasing user capacity by interference avoidance in CDMA systems, IEEE Transactions on Information Theory, vol. 54, no. 4, pp. 1754-1760, April 2008.
  
  
• P. S. Udupa and J. S. Lehnert, "Optimizing ZF precoders for MIMO broadcast systems," IEEE Transactions on Communications, vol. 55, no. 8, pp. 1516-1524, August 2007.
  
  
• J. Zhang and J. S. Lehnert, "Throughput-optimal precoding and rate allocation for MISO systems with noisy feedback channels," IEEE Transactions on Information Theory, vol. 54, no. 5, pp. 2139-2155, May 2008.
  
  
• B. Ni, J. S. Lehnert, and A. Weiner, "Performance of nonlinear receivers in asynchronous spectral-phase-encoding optical CDMA systems," IEEE/OSA Journal of Lightwave Technology, vol. 25, no. 8, pp. 2069-2080, August 2007.
  
  
• S. Tseng and J. S. Lehnert, "Windowing for multicarrier CDMA systems, IEEE Transactions on Communications, vol. 57, no. 10, pp. 3154-3163, October 2009.
  
  
• S. Tseng and J. S. Lehnert, "LMSE-based acquistion for multicarrier CDMA systems, IEEE Transactions on\ Communications, vol. 57, no. 10, pp. 3113-3122, October 2009.
  
  
• J. Yeo, J. H. Cho, and J. S. Lehnert, "Joint transmitter and receiver optimization for improper-complex second-order stationary data sequence, Journal of Communications and Networks, vol. 17, no. 1, pp. 1-11, Feb. 2015.
  
  
• J. Yeo, B. W. Han, J. H. Cho, and J. S. Lehnert, "Capacity of an orthogonal overlay channel, IEEE Transactions on Wireless Communications, vol. 14, no. 11, pp. 6111-6124, Nov. 2015.
  
  
• M. Kim, J. H. Cho, and J. S. Lehnert, "Asymptotically optimal low- complexity SC-FDE with noise prediction in data-like improper-complex interference, IEEE Transactions on Wireless Communications, Nov. 2015.