James S. Lehnert

Publication Activity (10 Years)

Years Active: 1987-2021
Publications (10 Years): 8

Top Topics

Mahalanobis Distance

Asymptotically Optimal

Conditional Distribution

Top Venues

IEEE Trans. Wirel. Commun.

Sarnoff Symposium

Publications

Jeonghoon Choi, Jubum Kim, Joon Ho Cho, James S. Lehnert
Widely-Linear Nyquist Criteria for DFT-Spread OFDM of Constellation-Rotated PAM Symbols. IEEE Trans. Commun. 69 (5) (2021)
Jeonghoon Choi, Joon Ho Cho, James S. Lehnert
Continuous-Phase Modulation for DFT-Spread Localized OFDM. IEEE Open J. Commun. Soc. 2 (2021)
Jeonghoon Choi, Jubum Kim, Joon Ho Cho, James S. Lehnert
Widely-Linear Nyquist Criterion for DFT-Spread OFDM with Frequency-Domain Spectrum Shaping. ICC (2021)
Hung-Yi Lo, James S. Lehnert, Phuong T. Tran
Secrecy Capacity for an Underwater Acoustic Channel with a Dominant Noise Source. CCWC (2019)
Hung-Yi Lo, James S. Lehnert, Phuong T. Tran
The Tail Distribution of the Sum of Kappa Random Variables with Unequal Weight and Correlation. Sarnoff Symposium (2018)
Hung-Yi Lo, James S. Lehnert, Phuong T. Tran
Performance Analysis for HF Communication with Dominant Noise Source. Sarnoff Symposium (2018)
Hung-Yi Lo, James S. Lehnert, Phuong T. Tran
Performance Analysis for MIMO HF Communications with Dominant Galactic Noise. MILCOM (2018)
Minuk Kim, Joon Ho Cho, James S. Lehnert
Asymptotically Optimal Low-Complexity SC-FDE With Noise Prediction in Data-Like Improper-Complex Interference. IEEE Trans. Wirel. Commun. 15 (3) (2016)
Jeong Ho Yeo, Byung Wook Han, Joon Ho Cho, James S. Lehnert
Capacity of an Orthogonal Overlay Channel. IEEE Trans. Wirel. Commun. 14 (11) (2015)
Jeong Ho Yeo, Joon Ho Cho, James S. Lehnert
Joint transmitter and receiver optimization for improper-complex second-order stationary data sequence. J. Commun. Networks 17 (1) (2015)
Jeong Ho Yeo, Joon Ho Cho, James S. Lehnert
Joint Transmitter and Receiver Optimization for Improper-Complex Second-Order Stationary Data Sequence. CoRR (2014)
Jeong Ho Yeo, Joon Ho Cho, James S. Lehnert
An Optimal Transmission of Improper-Complex Second-Order Stationary Data Sequence in Cyclostationary Interference. MILCOM (2014)
Phuong T. Tran, James S. Lehnert
Joint optimization of relay selection and power allocation in cooperative OFDM networks with imperfect channel estimation. WCNC (2012)
Han-Ting Chiang, James S. Lehnert
Optimal jamming with codewords. MILCOM (2012)
Han-Ting Chiang, James S. Lehnert
Optimal cooperative jamming for security. MILCOM (2011)
Shun-Te Tseng, James S. Lehnert
LMSE-based parameter acquisition for multicarrier CDMA systems. IEEE Trans. Commun. 57 (10) (2009)
Shun-Te Tseng, James S. Lehnert
Windowing for multicarrier CDMA systems. IEEE Trans. Commun. 57 (10) (2009)
Brandon Hombs, James S. Lehnert
Increasing User Capacity by Interference Avoidance and Intentional Asynchrony in CDMA Systems. IEEE Trans. Inf. Theory 54 (4) (2008)
Jin Zhang, James S. Lehnert
Space-time coded asynchronous DS-CDMA with decentralized MAI suppression: performance and spectral efficiency. IEEE Trans. Wirel. Commun. 7 (5-1) (2008)
Jin Zhang, James S. Lehnert
Throughput-Optimal Precoding and Rate Allocation for MISO Systems With Noisy Feedback Channels. IEEE Trans. Inf. Theory 54 (5) (2008)
Shun-Te Tseng, Han-Ting Chiang, James S. Lehnert
Parametric Density Estimation Using EM Algorithm for Collaborative Spectrum Sensing. CrownCom (2008)
P. S. Udupa, James S. Lehnert
Optimizing ZF Precoders for MIMO Broadcast Systems. IEEE Trans. Commun. 55 (7) (2007)
P. S. Udupa, James S. Lehnert
Optimizing Zero-Forcing Precoders for MIMO Broadcast Systems. IEEE Trans. Commun. 55 (8) (2007)
Jin Zhang, James S. Lehnert
Performance of multicarrier DS/SSMA over fast Rayleigh fading channels with Doppler diversity. IEEE Trans. Commun. 54 (2) (2006)
Prashant U. Sripathi, James S. Lehnert
Optimizing ZF precoders for MIMO broadcast systems. WCNC (2006)
Yeon Kyoon Jeong, Joon Ho Cho, James S. Lehnert
An asymptotic analysis of band-limited DS/SSMA communication systems. IEEE Trans. Inf. Theory 52 (2) (2006)
Shiauhe (Shawn) Tsai, James S. Lehnert, Mark R. Bell
Convergence of a ML parameter-estimation algorithm for DS/SS systems in time-varying channels with strong interference. IEEE Trans. Commun. 53 (1) (2005)
Brandon Hombs, James S. Lehnert
Exploiting asynchrony in DS-CDMA systems through interference avoidance. GLOBECOM (2005)
Brandon Hombs, James S. Lehnert
Multiple-access interference suppression for MC-CDMA by frequency-domain oversampling. IEEE Trans. Commun. 53 (4) (2005)
Yeon Kyoon Jeong, Joon Ho Cho, James S. Lehnert
Performance bounds on chip-matched-filter receivers for bandlimited DS/SSMA communications. IEEE Trans. Commun. 53 (1) (2005)
Joon Ho Cho, Yeon Kyoon Jeong, James S. Lehnert
Linear suppression of wideband data-like interference in DS/SS communications. IEEE J. Sel. Areas Commun. 23 (5) (2005)
Jin Zhang, Brandon Hombs, James S. Lehnert
Full-rate, full-diversity space-time codes in asynchronous DS/CDMA with joint sphere decoding and interference suppression. GLOBECOM (2004)
Anthony T. McDowell, James S. Lehnert, Yeon Kyoon Jeong
Dual-phase continuous phase modulation for spread-spectrum multiple-access communication. IEEE Trans. Commun. 52 (5) (2004)
Yeon Kyoon Jeong, Joon Ho Cho, James S. Lehnert
An asymptotic analysis of band-limited DS/SSMA systems. ISIT (2004)
Brandon Hombs, James S. Lehnert
Combining space-time codes and interference suppression in asynchronous DS-CDMA. WCNC (2004)
Wen Gao, Shiauhe (Shawn) Tsai, James S. Lehnert
Diversity combining for DS/SS systems with time-varying, correlated fading branches. IEEE Trans. Commun. 51 (2) (2003)
Joon Ho Cho, James S. Lehnert
An optimal signal design for band-limited asynchronous DS-CDMA Communications. IEEE Trans. Inf. Theory 48 (5) (2002)
June Namgoong, James S. Lehnert
Performance of multicarrier DS/SSMA systems in frequency-selective fading channels. IEEE Trans. Wirel. Commun. 1 (2) (2002)
Wen Gao, Joon Ho Cho, James S. Lehnert
Chip waveform design for DS/SSMA systems with aperiodic random spreading sequences. IEEE Trans. Wirel. Commun. 1 (1) (2002)
Joon Ho Cho, Yeon Kyoon Jeong, James S. Lehnert
Average bit-error-rate performance of band-limited DS/SSMA communications. IEEE Trans. Commun. 50 (7) (2002)
Ling Ding, James S. Lehnert
An uplink power control based on truncated channel inversion for data traffic in a cellular CDMA system. IEEE Trans. Veh. Technol. 50 (3) (2001)
Joon Ho Cho, James S. Lehnert
Blind adaptive multiuser detection for DS/SSMA communications with generalized random spreading. IEEE Trans. Commun. 49 (6) (2001)
Shiauhe (Shawn) Tsai, Tan F. Wong, James S. Lehnert
DS-CDMA system with joint channel estimation and MAP detection in time-selective fading channels. IEEE J. Sel. Areas Commun. 19 (1) (2001)
Jiangzhou Wang, Fumiyuki Adachi, Paul W. Baier, James S. Lehnert, Wayne E. Stark, Michael B. Pursley
Guest editorial: wideband CDMA II. IEEE J. Sel. Areas Commun. 19 (1) (2001)
Shiauhe (Shawn) Tsai, Wen Gao, James S. Lehnert
Reduced Complexity Adaptive MAP Receiver for Frequency-Flat, Time-Varying CDMA Channels. Wirel. Pers. Commun. 17 (1) (2001)
Ling Ding, James S. Lehnert
Erlang Capacity of a Voice/Data Cellular CDMA Uplink System Using Prioritized Admission Control and Adaptive Power Control. Int. J. Wirel. Inf. Networks 8 (1) (2001)
Tsao-Tsen Chen, James S. Lehnert
Multiuser decision-feedback receivers for asynchronous CDMA systems over a mismatched flat Rayleigh fading channel. IEEE Trans. Commun. 48 (9) (2000)
Joon Ho Cho, James S. Lehnert
Performance of a spatio-temporal matched filter receiver for DS/SSMA communications. IEEE J. Sel. Areas Commun. 18 (8) (2000)
Jiangzhou Wang, Fumiyuki Adachi, Paul W. Baier, James S. Lehnert, Wayne E. Stark, Michael B. Pursley
Guest editorial wideband CDMA I. IEEE J. Sel. Areas Commun. 18 (8) (2000)
Joon Ho Cho, James S. Lehnert
System design for DS/SSMA communications with random spreading sequences and a matched filter receiver. WCNC (2000)
Tan F. Wong, Qian Zhang, James S. Lehnert
Decision-feedback MAP receiver for time-selective fading CDMA channels. IEEE Trans. Commun. 48 (5) (2000)
Ling Ding, James S. Lehnert
Power Control Using Two-Level Channel Inversion for Data Traffic in a Cellular CDMA System: Performance and Optimal Design. Int. J. Wirel. Inf. Networks 7 (3) (2000)
June Namgoong, Tan F. Wong, James S. Lehnert
Subspace multiuser detection for multicarrier DS-CDMA. IEEE Trans. Commun. 48 (11) (2000)
Ling Ding, James S. Lehnert
Calculation of Erlang capacity for cellular CDMA uplink systems. WCNC (2000)
Tat M. Lok, Tan F. Wong, James S. Lehnert
Blind adaptive signal reception for MC-CDMA systems in Rayleigh fading channels. IEEE Trans. Commun. 47 (3) (1999)
Tan F. Wong, Tat M. Lok, James S. Lehnert
Asynchronous multiple-access interference suppression and chip waveform selection with aperiodic random sequences. IEEE Trans. Commun. 47 (1) (1999)
June Namgoong, Tan F. Wong, James S. Lehnert
Subspace MMSE receiver for multicarrier CDMA. WCNC (1999)
Qian Zhang, Tan F. Wong, James S. Lehnert
Performance of a type-II hybrid ARQ protocol in slotted DS-SSMA packet radio systems. IEEE Trans. Commun. 47 (2) (1999)
Shiauhe (Shawn) Tsai, Tan F. Wong, James S. Lehnert
Joint channel estimation and MAP detection in time-selective CDMA channels. WCNC (1999)
Joon Ho Cho, James S. Lehnert
Optimum chip waveforms for DS/SSMA communications with random spreading sequences and a matched filter receiver. WCNC (1999)
Wen Gao, Joon Ho Cho, James S. Lehnert
Interference suppression in communication systems with controlled crosstalk. WCNC (1999)
Tsao-Tsen Chen, James S. Lehnert
Bounds on the pairwise error probability of coded DS/SSMA communication systems in Rayleigh fading channels. IEEE Trans. Commun. 46 (12) (1998)
Jeffrey A. Young, James S. Lehnert
Analysis of DFT-based frequency excision algorithms for direct-sequence spread-spectrum communications. IEEE Trans. Commun. 46 (8) (1998)
Qian Zhang, Tan F. Wong, James S. Lehnert
Stability of a Type-II Hybrid ARQ Protocol for DS-SSMA Packet Radio Systems. INFOCOM (1998)
Qian Zhang, Tan F. Wong, James S. Lehnert
Buffered Type-II Hybrid ARQ Protocol for DS-SSMA Packet Radio Systems. Int. J. Wirel. Inf. Networks 5 (3) (1998)
Tan F. Wong, Tat M. Lok, James S. Lehnert, Michael D. Zoltowski
A Linear Receiver for Direct-Sequence Spread-Spectrum Multiple-Access Systems with Antenna Arrays and Blind Adaptation. IEEE Trans. Inf. Theory 44 (2) (1998)
Raymond T. Hsu, James S. Lehnert
The performance of continuous-phase-coded DS/SSMA communications. IEEE Trans. Commun. 46 (4) (1998)
Tsao-Tsen Chen, James S. Lehnert
TCM/SSMA communication systems with cascaded sequences and PAM/QAM signal sets. IEEE Trans. Commun. 46 (7) (1998)
Tat M. Lok, James S. Lehnert
An Asymptotic Analysis of DS/SSMA Communication Systems with General Linear Modulation and Error Control Coding. IEEE Trans. Inf. Theory 44 (2) (1998)
Peter W. de Graaf, James S. Lehnert
Performance comparison of a slotted ALOHA DS/SSMA network and a multichannel narrow-band slotted ALOHA network. IEEE Trans. Commun. 46 (4) (1998)
Tat M. Lok, James S. Lehnert
Error probabilities for generalized quadriphase DS/SSMA communication systems with random signature sequences. IEEE Trans. Commun. 44 (7) (1996)
Tat M. Lok, James S. Lehnert
An asymptotic analysis of DS/SSMA communication systems with random polyphase signature sequences. IEEE Trans. Inf. Theory 42 (1) (1996)
Anthony T. McDowell, James S. Lehnert
General techniques for analyzing DS/SSMA interference illustrated by evaluating a noncoherent system. IEEE Trans. Commun. 44 (12) (1996)
Akingbade R. Akinniyi, James S. Lehnert
Characterization of noncoherent spread-spectrum multiple-access communications. IEEE Trans. Commun. 42 (1) (1994)
Raymond T. Hsu, James S. Lehnert
A characterization of multiple-access interference in generalized quadriphase spread-spectrum communications. IEEE Trans. Commun. 42 (234) (1994)
Tat-Ming Lok, James S. Lehnert
DS/SSMA communication system with trellis coding and CPM. IEEE J. Sel. Areas Commun. 12 (4) (1994)
James S. Lehnert
Serial MSK spread-spectrum multiple-access communications. IEEE Trans. Commun. 40 (6) (1992)
Robert K. Morrow Jr., James S. Lehnert
Packet throughput in slotted ALOHA DS/SSMA radio systems with random signature sequences. IEEE Trans. Commun. 40 (7) (1992)
Edward J. Coyle, James S. Lehnert
Packet Radio and the Factory of the Future. INFOCOM (1989)
James S. Lehnert
An efficient technique for evaluating direct-sequence spread-spectrum multiple-access communications. IEEE Trans. Commun. 37 (8) (1989)
Robert K. Morrow Jr., James S. Lehnert
Bit-to-bit error dependence in slotted DS/SSMA packet systems with random signature sequences. IEEE Trans. Commun. 37 (10) (1989)
James S. Lehnert, Michael B. Pursley
Multipath Diversity Reception of Spread-Spectrum Multiple-Access Communications. IEEE Trans. Commun. 35 (11) (1987)
James S. Lehnert, Michael B. Pursley
Error Probabilities for Binary Direct-Sequence Spread-Spectrum Communications with Random Signature Sequences. IEEE Trans. Commun. 35 (1) (1987)