If you made any changes in Pure these will be visible here soon.

Research Output 1991 2020

2004
14 Citations (Scopus)

A receive space diversity architecture for OFDM systems using orthogonal designs

Huang, D., Letaief, K. & Lu, J., May 2004, In : IEEE Transactions on Wireless Communications. 3, 3, p. 992-1002 11 p.

Research output: Contribution to journalArticle

Orthogonal Design
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
System Design
Antennas
22 Citations (Scopus)

A Reduced-Complexity Maximum-Likelihood Method for Multiuser Detection

Li, J., Letaief, K. & Cao, Z., Feb 2004, In : IEEE Transactions on Communications. 52, 2, p. 289-295 7 p.

Research output: Contribution to journalArticle

Multiuser detection
Maximum likelihood
Computational complexity
15 Citations (Scopus)

Biorthogonal pulse shape modulation for ultra-wideband wireless communications

Boubaker, N. & Letaief, K., 2004, GLOBECOM'04 - IEEE Global Telecommunications Conference. Vol. 6. p. 3493-3497 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultra-wideband (UWB)
Modulation
Communication
Multiple access interference
Multipath propagation
1 Citation (Scopus)

Bit-interleaved coded modulation with noncoherent iterative decoding for multiple antenna systems

Li, T., Mow, W. H. & Letaief, K., 2004, 2004 International Conference on Communications, Circuits and Systems. Vol. 1. p. 135-139 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Iterative decoding
Modulation
Antennas
Feedback
6 Citations (Scopus)

Channel estimation assisted improved timing offset estimation

Minn, H., Bhargava, V. K. & Letaief, K., 2004, In : IEEE International Conference on Communications. 2, p. 988-992 5 p.

Research output: Contribution to journalArticle

Channel estimation
Impulse response
Maximum likelihood
Frequency selective fading
Fading channels
11 Citations (Scopus)
Successive Interference Cancellation
Wireless Communication
Ultra-wideband (UWB)
Receiver
Partial
167 Citations (Scopus)

Companding transform for reduction in peak-to-average power ratio of OFDM signals

Huang, X., Lu, J., Zheng, J., Letaief, K. & Gu, J., Nov 2004, In : IEEE Transactions on Wireless Communications. 3, 6, p. 2030-2039 10 p.

Research output: Contribution to journalArticle

Peak-to-average Power Ratio (PAPR)
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
Transform
Bit error rate
17 Citations (Scopus)

Dynamic resource allocation with adaptive beamforming for MIMO/OFDM systems under perfect and imperfect CSI

Pan, Y. H., Letaief, K. & Cao, Z., 2004, 2004 IEEE Wireless Communications and Networking Conference, WCNC 2004. Institute of Electrical and Electronics Engineers Inc., Vol. 1. p. 93-97 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Beamforming
MIMO systems
Orthogonal frequency division multiplexing
Resource allocation
Smart antennas
28 Citations (Scopus)

Dynamic spatial subchannel allocation with adaptive beamforming for MIMO/OFDM systems

Pan, Y. H., Letaief, K. & Cao, Z., Nov 2004, In : IEEE Transactions on Wireless Communications. 3, 6, p. 2097-2107 11 p.

Research output: Contribution to journalArticle

Beamforming
Orthogonal Frequency Division multiplexing (OFDM)
MIMO systems
Multiple-input multiple-output (MIMO)
Orthogonal frequency division multiplexing
13 Citations (Scopus)

High-rate complex orthogonal space-time block codes for high number of transmit antennas

Xu, C., Gong, Y. & Letaief, K., 2004, In : IEEE International Conference on Communications. 2, p. 823-826 4 p.

Research output: Contribution to journalArticle

Block codes
Antennas
Pulse amplitude modulation
Phase shift keying
Radon
4 Citations (Scopus)

MIMO/OFDM with adaptive interleaved beamforming and power allocation for high-capacity wireless access

Pan, Y. H., Letaief, K. & Cao, Z., 2004, In : IEEE Vehicular Technology Conference. 59, 4, p. 1906-1910 5 p.

Research output: Contribution to journalArticle

MIMO-OFDM
Power Allocation
Beamforming
MIMO systems
Orthogonal frequency division multiplexing
275 Citations (Scopus)

Multiuser adaptive subcarrier-and-bit allocation with adaptive cell selection for ofdm systems

Zhang, Y. J. & Letaief, K. B., Sep 2004, In : IEEE Transactions on Wireless Communications. 3, 5, p. 1566-1575 10 p.

Research output: Contribution to journalArticle

Bit Allocation
Resource allocation
Spectral Efficiency
Adaptive modulation
Resource Allocation

Optimal rate allocation for Group Zero Forcing

Sfar, S., Dai, L. & Letaief, K., 2004, GLOBECOM'04 - IEEE Global Telecommunications Conference. Vol. 1. p. 371-375 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Multiplexing
Antennas
MIMO systems
Outages
44 Citations (Scopus)

Performance analysis of DS-UWB multiple access under imperfect power control

Boubaker, N. & Letaief, K., Sep 2004, In : IEEE Transactions on Communications. 52, 9, p. 1459-1463 5 p.

Research output: Contribution to journalArticle

Ultra-wideband (UWB)
Power control
Bit error rate
Communication systems
12 Citations (Scopus)

Pre-DFT processing using eigenanalysis for coded OFDM with multiple receive antennas

Huang, D. & Letaief, K., Nov 2004, In : IEEE Transactions on Communications. 52, 11, p. 2019-2027 9 p.

Research output: Contribution to journalArticle

Discrete Fourier transforms
Orthogonal frequency division multiplexing
Antennas
Processing
Covariance matrix
28 Citations (Scopus)

Receive antenna selection for MIMO systems in correlated channels

Dai, L., Sfar, S. & Letaief, K., 2004, In : IEEE International Conference on Communications. 5, p. 2944-2948 5 p.

Research output: Contribution to journalArticle

Antennas
Channel state information
Base stations
Statistics
5 Citations (Scopus)

Reduced complexity carrier frequency offset estimation for OFDM systems

Huang, D., Letaief, K. & Lu, J., 2004, 2004 IEEE Wireless Communications and Networking Conference, WCNC 2004. Institute of Electrical and Electronics Engineers Inc., Vol. 3. p. 1411-1415 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Orthogonal frequency division multiplexing
Binary sequences
Degradation
Communication
Costs
12 Citations (Scopus)

Reduced-complexity MAP-based iterative multiuser detection for coded multicarrier CDMA systems

Li, J., Letaief, K. & Cao, Z., Nov 2004, In : IEEE Transactions on Communications. 52, 11, p. 1909-1915 7 p.

Research output: Contribution to journalArticle

Multiuser detection
Code division multiple access
Decoding
Computational complexity
Detectors
24 Citations (Scopus)

Single carrier frequency domain equalization with noise prediction for broadband wireless systems

Zhu, Y. & Letaief, K., 2004, GLOBECOM'04 - IEEE Global Telecommunications Conference. Vol. 5. p. 3098-3102 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Decision feedback equalizers
Equalizers
Feedback
Orthogonal frequency division multiplexing
Decoding
44 Citations (Scopus)

Symbol-Based Space Diversity for Coded OFDM Systems

Huang, D. & Letaief, K., Jan 2004, In : IEEE Transactions on Wireless Communications. 3, 1, p. 117-127 11 p.

Research output: Contribution to journalArticle

Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
Antennas
Discrete Fourier transforms
Data communication systems
2003
9 Citations (Scopus)

Adaptive MMSE receiver with beamforming for DS/CDMA systems

Guo, Z. & Letaief, K., Jul 2003, In : IEEE Transactions on Wireless Communications. 2, 4, p. 605-610 6 p.

Research output: Contribution to journalArticle

Code Division multiple Access
Beamforming
Mean Squared Error
Code division multiple access
Multiple Access Interference
10 Citations (Scopus)

A discrete-time model for spatio-temporally correlated MIMO WSSUS multipath channels

Xiao, C., Wu, J., Leong, S. Y., Zheng, Y. R. & Letaief, K., 2003, 2003 IEEE Wireless Communications and Networking Conference, WCNC 2003. Institute of Electrical and Electronics Engineers Inc., Vol. 1. p. 354-358 5 p. 1200374

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Multipath propagation
MIMO systems
Scattering
Rayleigh fading
Statistics
177 Citations (Scopus)

A joint-channel diagonalization for multiuser MIMO antenna systems

Wong, K. K., Murch, R. D. & Letaief, K., Jul 2003, In : IEEE Transactions on Wireless Communications. 2, 4, p. 773-786 14 p.

Research output: Contribution to journalArticle

Multiuser MIMO
Diagonalization
Multiplexing
MIMO systems
Base stations
46 Citations (Scopus)

A low complexity MMSE-RAKE receiver in a realistic UWB channel and in the presence of NBI

Boubaker, N. & Letaief, K., 2003, 2003 IEEE Wireless Communications and Networking Conference, WCNC 2003. Institute of Electrical and Electronics Engineers Inc., Vol. 1. p. 233-237 5 p. 1200351

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultra-wideband (UWB)
Mean square error
Radio systems
Power transmission
Bandwidth
9 Citations (Scopus)

A low complexity reduced-rank MMSE receiver for DS/CDMA communications

Guo, Z. & Letaief, K., Jan 2003, In : IEEE Transactions on Wireless Communications. 2, 1, p. 59-68 10 p.

Research output: Contribution to journalArticle

DS-CDMA
Reduced Rank
Mean Squared Error
Code division multiple access
Low Complexity
77 Citations (Scopus)

An efficient space-frequency coded OFDM system for broadband wireless communications

Gong, Y. & Letaief, K., Dec 2003, In : IEEE Transactions on Communications. 51, 12, p. 2019-2029 11 p.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Communication
Fading channels
Trellis codes
Frequency selective fading

A novel multiuser detection using group classification with smart antennas for multi-carrier CDMA systems

Li, J., Letaief, K. & Cao, Z., Apr 2003, In : Chinese Journal of Electronics. 12, 2, p. 208-214 7 p.

Research output: Contribution to journalArticle

Smart Antennas
Group Classification
Multiuser Detection
Smart antennas
Multiuser detection
521 Citations (Scopus)

A robust timing and frequency synchronization for OFDM systems

Minn, H., Bhargava, V. K. & Letaief, K., Jul 2003, In : IEEE Transactions on Wireless Communications. 2, 4, p. 822-839 18 p.

Research output: Contribution to journalArticle

Frequency estimation
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
Timing
Synchronization
7 Citations (Scopus)

Carrier frequency offsets mitigation for broadband OFDM in a multiuser environment

Huang, D. & Letaief, K., 2003, PIMRC2003 - 14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications, Proceedings. Vol. 2. p. 1149-1153 5 p. 1260291

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Orthogonal frequency division multiplexing
Multipath propagation
Convolution
Discrete Fourier transforms
Degradation
71 Citations (Scopus)

Co-channel interference cancellation for space-time coded OFDM systems

Li, J., Letaief, K. & Cao, Z., Jan 2003, In : IEEE Transactions on Wireless Communications. 2, 1, p. 41-49 9 p.

Research output: Contribution to journalArticle

Co-channel Interference
Interference Cancellation
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
Interference suppression
2 Citations (Scopus)

Constant rate adaptive modulation with selection transmit diversity for broadband OFDM systems

Qiu, Y., Pan, Y. H., Cao, Z. & Letaief, K., 2003, PIMRC2003 - 14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications, Proceedings. Vol. 1. p. 722-726 5 p. 1264368

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Adaptive modulation
Orthogonal frequency division multiplexing
Multipath fading
Fading channels
Quality of service
18 Citations (Scopus)

Group ordered successive interference cancellation for multiuser detection in MIMO CDMA systems

Sfar, S. & Letaief, K., 2003, 2003 IEEE Wireless Communications and Networking Conference, WCNC 2003. Institute of Electrical and Electronics Engineers Inc., Vol. 2. p. 888-893 6 p. 1200489

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Multiuser detection
MIMO systems
Code division multiple access
Signal to noise ratio
Communication systems
2 Citations (Scopus)

High speed wireless date transmission in layered space-time trellis coded MIMO systems

Chen, R. & Letaief, K., 2003, In : IEEE Vehicular Technology Conference. 57, 1, p. 52-56 5 p.

Research output: Contribution to journalArticle

MIMO Systems
MIMO systems
Date
Mean square error
Decoding

IEEE Transations on Wireless Communications: Editorial

Letaief, K., Jan 2003, In : IEEE Transactions on Wireless Communications. 2, 1, p. 1 1 p.

Research output: Contribution to journalEditorial

Wireless Communication
3 Citations (Scopus)

Improved Pre-combining Group Multiuser Detection in BPSK-modulated Systems with Multiple Receive Antennas

Spar, S. & Letaief, K., 2003, GLOBECOM - IEEE Global Telecommunications Conference. Vol. 1. p. 267-271 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Multiuser detection
Bit error rate
Maximum likelihood
antenna
Scattering
12 Citations (Scopus)

Joint maximum likelihood detection and interference cancellation for MIMO/OFDM systems

Letaief, K., Choi, E., Ahn, J. Y. & Chen, R., 2003, In : IEEE Vehicular Technology Conference. 58, 1, p. 612-616 5 p.

Research output: Contribution to journalArticle

Maximum Likelihood Detection
MIMO-OFDM
Interference Cancellation
MIMO systems
Orthogonal frequency division multiplexing
87 Citations (Scopus)

Layered space-time multiuser detection over wireless uplink systems

Sfar, S., Murch, R. D. & Letaief, K., Jul 2003, In : IEEE Transactions on Wireless Communications. 2, 4, p. 653-658 6 p.

Research output: Contribution to journalArticle

Multiuser Detection
Multiuser detection
Uplink
Space-time
Antennas
65 Citations (Scopus)

Low complexity channel estimation for space-time coded wideband OFDM systems

Gong, Y. & Letaief, K., Sep 2003, In : IEEE Transactions on Wireless Communications. 2, 5, p. 876-882 7 p.

Research output: Contribution to journalArticle

Channel Estimation
Channel estimation
Orthogonal Frequency Division multiplexing (OFDM)
Low Complexity
Orthogonal frequency division multiplexing
28 Citations (Scopus)

MIMO CDMA antenna system for SINR enhancement

Choi, R. L. U., Murch, R. D. & Letaief, K., Mar 2003, In : IEEE Transactions on Wireless Communications. 2, 2, p. 240-249 10 p.

Research output: Contribution to journalArticle

Code Division multiple Access
Antenna arrays
Multiple-input multiple-output (MIMO)
Code division multiple access
Antenna
1 Citation (Scopus)

Multiuser channel estimation for CDMA systems over doubly selective fading channels

Wu, J., Xiao, C. & Letaief, K., 2003, In : IEEE Vehicular Technology Conference. 58, 2, p. 1177-1181 5 p.

Research output: Contribution to journalArticle

Channel Estimation
Code Division multiple Access
Channel estimation
Fading Channels
Fading channels
21 Citations (Scopus)

Optimizing Power and Resource Management for Multiuser MIMO/OFDM Systems

Zhang, Y. J. & Letaief, K., 2003, Conference Record / IEEE Global Telecommunications Conference. Vol. 1. p. 179-183 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

MIMO systems
Orthogonal frequency division multiplexing
resource management
Computational complexity
Quality of service
12 Citations (Scopus)

Performance of multiuser detection in multirate DS-CDMA systems

Guo, Z. & Letaief, K., Dec 2003, In : IEEE Transactions on Communications. 51, 12, p. 1979-1983 5 p.

Research output: Contribution to journalLetter

Multiuser detection
Code division multiple access
Detectors
3 Citations (Scopus)

Pre-DFT processing for coded OFDM systems with receive space diversity

Huang, D. & Letaief, K., 2003, 2003 IEEE Wireless Communications and Networking Conference, WCNC 2003. Institute of Electrical and Electronics Engineers Inc., Vol. 1. p. 3-8 6 p. 1200310

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Discrete Fourier transforms
Orthogonal frequency division multiplexing
Antennas
Processing
Modulation
5 Citations (Scopus)

Single- and multi-user adaptive pragmatic trellis coded modulation for OFDM systems

Zhang, Y. J. & Letaief, K., 2003, 2003 IEEE Wireless Communications and Networking Conference, WCNC 2003. Institute of Electrical and Electronics Engineers Inc., Vol. 1. p. 9-14 6 p. 1200311

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Orthogonal frequency division multiplexing
Modulation
Throughput
Hardware
4 Citations (Scopus)

Space-frequency trellis coding for MIMO OFDM systems

Guo, Z., Zhu, W. & Letaief, K., 2003, In : IEEE Vehicular Technology Conference. 57, 1, p. 557-561 5 p.

Research output: Contribution to journalArticle

Orthogonal Frequency Division multiplexing (OFDM)
Multiple-input multiple-output (MIMO)
Orthogonal frequency division multiplexing
Coding
Frequency selective fading
7 Citations (Scopus)

Space-time coded adaptive transmit antenna arrays for OFDM wireless systems utilizing channel side information

Pan, Y. H., Letaief, K. & Cao, Z., 2003, In : IEEE Vehicular Technology Conference. 57, 2, p. 1127-1131 5 p.

Research output: Contribution to journalArticle

Smart antennas
Side Information
Antenna Arrays
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
72 Citations (Scopus)

Ultra wideband DSSS for multiple access communications using antipodal signaling

Boubaker, N. & Letaief, K., 2003, In : IEEE International Conference on Communications. 3, p. 2197-2201 5 p.

Research output: Contribution to journalArticle

Ultra-wideband (UWB)
Communication
Transmitters
Communication systems
Signal processing
2002
19 Citations (Scopus)

Adaptive cochannel interference cancellation in space-time coded communication systems

Li, J., Letaief, K. & Cao, Z., Oct 2002, In : IEEE Transactions on Communications. 50, 10, p. 1580-1583 4 p.

Research output: Contribution to journalArticle

Cochannel interference
Communication systems
Smart antennas
Fading (radio)
Interference suppression
1 Citation (Scopus)

Adaptive co-channel interference cancellation in space-time coded communication systems

Li, J., Letaief, K. & Cao, Z., 31 Jan 2002, In : Electronics Letters. 38, 3, p. 129-131 3 p.

Research output: Contribution to journalArticle

Smart antennas
Interference suppression
Communication systems

A group oriented soft iterative multiuser detection for coded multi-carrier CDMA systems

Li, J., Letaief, K. & Cao, Z., 2002, In : IEEE International Conference on Communications. 1, p. 293-297 5 p.

Research output: Contribution to journalArticle

Multiuser detection
Code division multiple access
Smart antennas
Frequency selective fading
Antenna arrays