Selected Journal Publications by S3CRL Researchers
- 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. 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 (pending
revisions).
Selected Recent Conference Papers by S3CRL Researchers
- T.
F. Wong, T. M. Lok, and J. S. Lehnert, "Performance evaluation of a blind
adaptive linear receiver for cellular DS/CDMA systems," Thirty-Fourth
Annual Allerton Conference on Communication, Control, and Computing,
Allerton House, Monticello, Illinois, pp. 642-651, October 2-4, 1996 (Invited
Paper).
- Q.
Zhang and J. S. Lehnert, "Adaptive coding for slotted DS-SSMA packet radio
systems," IEEE Military Communications Conference (MILCOM '97) ,
Monterey, California, pp. 291-295, November 3-7, 1997.
- T.
F. Wong, T. M. Lok, J. S. Lehnert, and M. D. Zoltowski, "Spread-spectrum
signaling techniques with antenna arrays and blind adaptation," IEEE
Military Communications Conference (MILCOM '96), McLean, Virginia,
(Selected for Invited Session on the FRI Program), pp. 194-198, October
21-24, 1996.
- T.
F. Wong, T. M. Lok, and J. S. Lehnert, "Chip waveform selection in asynchronous
DS-CDMA systems with interference suppression," IEEE International Conference
on Universal Personal Communications (ICUPC '97), San Diego, California,
pp. 208-212, October 12-16, 1997.
- T.
T. Chen and J. S. Lehnert, "Bounds on the pairwise error probability of
coded DS/SSMA communication systems in Rayleigh fading channels," IEEE
International Conference on Universal Personal Communications (ICUPC '97),
San Diego, California, pp. 337-341, October 12-16, 1997.
- T.
M. Lok, T. F. Wong, and J. S. Lehnert, "Blind adaptive signal reception
for MC-CDMA systems with interference suppression," IEEE Military Communications
Conference (MILCOM '98), Boston, Massachusetts, pp. 752-756, October
18-21, 1998.
- T. T. Chen and J. S. Lehnert, "Multiuser decision-feedback receivers for asynchronous
CDMA systems over a mismatched Rayleigh fading channel," Thirty-Fifth
Annual Allerton Conference on Communication, Control, and Computing,
Allerton House, Monticello, Illinois, pp. 311-320, September 29-October
1, 1997.
- Q.
Zhang, T. F. Wong, and J. S. Lehnert, "Stability of a type-II hybrid ARQ
protocol for DS-SSMA packet radio systems," IEEE INFOCOM'98 , San
Francisco, California, pp. 1301-1308, March 29-April 2, 1998.
- T.
F. Wong, Q. Zhang, and J. S. Lehnert, "MAP demodulator for time-selective
fading CDMA channels," IEEE Military Communications Conference (MILCOM
'98), Boston, Massachusetts, pp. 355-359, October 18-21, 1998.
- S.
H. Tsai, T. T. Chen, and J. S. Lehnert, "Implementation of fixed delay
soft-output algorithms," IEEE Military Communications Conference (MILCOM'98),
Boston, Massachusetts, pp. 993-997, October 18-21, 1998.
- R.
T. Derryberry, T. F. Wong, and J. S. Lehnert, "An iterative blind adaptive
receiver for DS-SSMA systems," IEEE Military Communications Conference
(MILCOM '98), Boston, Massachusetts, pp. 160-164, October 18-21, 1998.
- 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," Thirty-Seventh Annual Allerton Conference on Communication,
Control, and Computing, Allerton House, Monticello, Illinois, pp. 871-880,
September 1999, (Invited paper.).
- S.
Tsai, T. F. Wong, and J. S. Lehnert, "Joint channel estimation and MAP
detection in time-selective fading CDMA channels," IEEE Wireless Communications
and Networking Conference (WCNC), New Orleans, Louisiana, pp. 1484-1488,
vol. 3, pp. 1484-1488, September 21-24, 1999.
- W.
Gao, J. H. Cho, and J. S. Lehnert, "Interference suppression in communication
systems with controlled crosstalk," IEEE Wireless Communications and
Networking Conference (WCNC), New Orleans, Louisiana, pp. 1572-1575,
pp. 1572-1575, September 21-24, 1999.
- J.
Namgoong, T. F. Wong, and J. S. Lehnert, "Subspace MMSE receiver for multicarrier
CDMA," IEEE Wireless Communications and Networking Conference (WCNC),
New Orleans, Louisiana, pp. 90-94, September 21-24, 1999.
- J.
H. Cho and J. S. Lehnert, "Optimum chip waveforms for DS/SSMA communications
with random spreading sequences and a matched filter receiver," IEEE
Wireless Communications and Networking Conference (WCNC), New Orleans,
Louisiana, pp. 574-578, September 21-24, 1999.
- J.
H. Cho and J. S. Lehnert, "Adaptive receiver chip waveform optimization
in asynchronous DS/SSMA communications with random spreading sequences,"
IEEE
Military Communications Conference (MILCOM '99), Atlantic City,
New Jersey, vol. 2, pp. 1046-1050, October 31 - November 3, 1999.
- Shiauhe
Tsai, Wen Gao, and James S. Lehnert, "Reduced complexity adaptive MAP receiver
for frequency flat, fast varying CDMA channels," in Proceedings of 1999
International Symposium on Communications, Kaoshung, Taiwan, R.O.C., pp.
13-17, Nov. 1999, (Selected for a special issue of Journal of Wireless
Personal Communications, Kluwer Academic Publishers. (Invited to expand
and submit this paper for the journal.).
- L.
Ding and J. S. Lehnert, "Performance analysis of an uplink power control
using truncated channel inversion for data traffic in a cellular CDMA system,"
IEEE
Vehicular Technology Conference, Tokyo, Japan, vol. 3, pp. 1673-1677,
May 15-18, 2000.
- L.
Ding and J. S. Lehnert, "On uplink power control using two-level channel
inversion: scheme, performance, and optimal design in a cellular CDMA system
for data traffic," IEEE Vehicular Technology Conference, Tokyo,
Japan, vol. 3, pp. 1678-1682, May 15-18, 2000.
- Wen
Gao, Shiauhe Tsai, and James S. Lehnert, "Diversity combining for fast
varying, correlated multipath fading channels in direct-sequence spread-spectrum
systems," IEEE Vehicular Tecnology Conference, Boston, Massachusetts, vol. 3, pp. 1445-1451,
Sept 24-28, 2000.
- Wen
Gao, Shiauhe Tsai, and James S. Lehnert, "Blind adaptive estimation and
diversity combining for fast varying, correlated multipath fading channels
in direct-sequence spread-spectrum systems," IEEE Military Communications
Conference 2000, Los Angeles, California, vol. 2, pp.759-763, October 22-25, 2000.
- Shiauhe
Tsai and James S. Lehnert, "Convergence of an optimal channel estimation
algorithm for DS-SSMA systems in time-varying channels with strong interference,"
IEEE
Military Communications Conference 2000, Los Angeles, California, vol. 2, pp. 871-875, October
22-25, 2000.
- W.
Gao, J. H. Cho and J. S. Lehnert, "Chip waveform design for DS/SSMA systems
with aperiodic random spreading sequences," IEEE Military Communications
Conference 2000, Los Angeles, California, vol. 2, pp. 856-860, October 22-25, 2000.
- Y.
Jeong, J. H. Cho, and J. S. Lehnert, "A closed form BER expression for
bandlimited DS/SSMA communications," IEEE Military Communications Conference
2000, Los Angeles, California, vol. 2, pp. 554-558, October 22-25, 2000.
- L.
Ding and J. S. Lehnert, "Calculation of erlang capacity of cellular
CDMA uplink systems," IEEE Wireless Networking and Communications Conference
2000, Chicago, Illinois, vol. 1, pp. 338-342, September 23-28, 2000.
- J.
H. Cho and J. S. Lehnert, "System design for DS/SSMA communications
with random spreading sequences and a matched filter receiver," IEEE
Wireless Networking and Communications Conference 2000, Chicago, Illinois, vol. 2, pp. 655-659,
September 23-28, 2000.
- J.
Namgoong and J. S. Lehnert, "Performance analysis for multicarrier DS/SSMA in frequency-selective fading channels," IEEE Military Communications Conference 2001, Tysons Corner, VA, vol. 2, pp. 1365-1369, October 28-31, 2001.
- J.
H. Cho and J. S. Lehnert, "System design for DS/SSMA communications with negative chip excess bandwidth," IEEE Military Communications Conference 2001, Tysons Corner, VA, vol. 2, pp. 1050-1054, October 28-31, 2001.
- J.
H. Cho, Y. K. Jeong, and J. S. Lehnert,
"Linear interference suppression for band-limited DS/SS
communications with spectral overlapping," IEEE Military Communications Conference 2002, Anaheim, CA,
October 7-10, 2002.
- J.
Namgoong, T. F. Wong, and J. S. Lehnert,
"Multiple access interference suppression for OFDM systems based
on Doppler shifts," IEEE Military Communications Conference 2002, Anaheim, CA, October 7-10, 2002.
- Y.
K. Jeong, J. H. Cho, and J. S. Lehnert,
"Interference suppression capability of linear receivers for
bandlimited DS/SSMA communications," IEEE Military Communications Conference 2002, Anaheim, CA,
October 7-10, 2002.
- B.
Hombs, J. Lehnert, and T. Wong,
"Robust communications for air traffic control," 2nd Integrated
Communications, Navigation, and Surveillance (CNS) Technologies Conference and
Workshop," Tysons Corner, Vienna, VA, April 29 -May 2, 2002.
- B.
Hombs, J. Lehnert, and T. Wong,
"CDMA for air traffic control," 21st Digital Avionics Systems
Conference (DASC), Irvine, CA, vol. 1, pp. 3C31-3C38, Oct. 27-31, 2002.