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Research Output 1991 2020

2007
48 Citations (Scopus)

Uplink scheduling with QoS provisioning for cognitive radio systems

Hamdi, K., Wei, Z. & Letaief, K., 2007, 2007 IEEE Wireless Communications and Networking Conference, WCNC 2007. p. 2594-2598 5 p. 4204658

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

Radio systems
Cognitive radio
Quality of service
Scheduling
2006
83 Citations (Scopus)

A combined timing and frequency synchronization and channel estimation for OFDM

Minn, H., Bhargava, V. K. & Letaief, K., Mar 2006, In : IEEE Transactions on Communications. 54, 3, p. 416-422 7 p.

Research output: Contribution to journalArticle

Channel estimation
Orthogonal frequency division multiplexing
Maximum likelihood
Synchronization
23 Citations (Scopus)

A cross layer method for interference cancellation and network coding in wireless networks

Chen, W., Letaief, K. & Cao, Z., 2006, 2006 IEEE International Conference on Communications, ICC 2006. Vol. 8. p. 3693-3698 6 p. 4025047

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

Network coding
Wireless networks
Switching networks
14 Citations (Scopus)

A fair multiuser cooperation protocol for increasing the throughput in energy-constrained Ad-hoc networks

Dai, L., Chen, W., Letaief, K. & Caot, Z., 2006, 2006 IEEE International Conference on Communications, ICC 2006. Vol. 8. p. 3633-3638 6 p. 4025037

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

Ad hoc networks
Throughput
Network protocols
Antennas
5 Citations (Scopus)

A hybrid time-frequency domain equalizer for single carrier broadband MIMO systems

Zhu, Y. & Letaief, K., 2006, 2006 IEEE International Conference on Communications, ICC 2006. Vol. 9. p. 4096-4101 6 p. 4025124

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

Equalizers
Orthogonal frequency division multiplexing
Communication
84 Citations (Scopus)

Carrier frequency offset estimation for OFDM systems using null subcarriers

Huang, D. & Letaief, K., May 2006, In : IEEE Transactions on Communications. 54, 5, p. 813-823 11 p.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Binary sequences
Correlators
Maximum likelihood
Sampling
5 Citations (Scopus)

Cooperative interference cancellation in multi-hop wireless networks: A cross layer approach

Chen, W., Letaief, K. & Cao, Z., 2006, IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference. 4151518

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

Wireless networks
Network protocols
Signal interference
Telecommunication links
50 Citations (Scopus)

Cross-layer adaptive resource management for wireless packet networks with OFDM signaling

Zhang, Y. J. & Letaief, K., Nov 2006, In : IEEE Transactions on Wireless Communications. 5, 11, p. 3244-3254 11 p.

Research output: Contribution to journalArticle

Cross-layer
Packet networks
Resource Management
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
4 Citations (Scopus)

CSIT-adaptive multiuser resource management for space-time coded MIMO/OFDM systems

Huang, W., Letaief, K. & Zhang, Y. J., 2006, 2006 IEEE International Conference on Communications, ICC 2006. Vol. 10. p. 4397-4402 6 p. 4024728

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

Channel state information
Orthogonal frequency division multiplexing
Transmitters
Resource allocation
Communication systems
125 Citations (Scopus)

Dynamic multiuser resource allocation and adaptation for wireless systems

Letaief, K. & Zhang, Y. J., Aug 2006, In : IEEE Wireless Communications. 13, 4, p. 38-47 10 p., 1678164.

Research output: Contribution to journalReview article

Resource allocation
Quality of service
MIMO systems
Orthogonal frequency division multiplexing
Communication systems
16 Citations (Scopus)

Enhanced carrier frequency offset estimation for OFDM using channel side information

Huang, D. & Letaief, K., Oct 2006, In : IEEE Transactions on Wireless Communications. 5, 10, p. 2784-2792 9 p., 1705940.

Research output: Contribution to journalArticle

Carrier Frequency Offset
Side Information
Orthogonal Frequency Division multiplexing (OFDM)
Orthogonal frequency division multiplexing
Fading channels
3 Citations (Scopus)

Frequency domain equalization with Tomlinson-Harashima precoding for single carrier broadband wireless communications

Zhu, Y. & Letaief, K., 2006, IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference. 4151542

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

Transmitters
Multipath fading
Communication
Channel estimation
Mean square error

IEEE Transactions on Wireless Communications: From the editor-in-chief

Letaief, K., Jan 2006, In : IEEE Transactions on Wireless Communications. 5, 1, p. 1-2 2 p.

Research output: Contribution to journalEditorial

Wireless Communication
Transactions
9 Citations (Scopus)

Layered group detection for multiuser MIMO wireless CDMA systems

Sfar, S. & Letaief, K., Sep 2006, In : IEEE Transactions on Wireless Communications. 5, 9, p. 2305-2311 7 p., 1687748.

Research output: Contribution to journalArticle

Code Division multiple Access
Multiple-input multiple-output (MIMO)
Code division multiple access
Detectors
Antennas
6 Citations (Scopus)

Low complexity iterative decoding for bit-interleaved coded modulation

Li, T., Mow, W. H. & Letaief, K., Aug 2006, In : IEEE Transactions on Wireless Communications. 5, 8, p. 1966-1970 5 p., 1687705.

Research output: Contribution to journalArticle

Bit-interleaved Coded Modulation (BICM)
Decision Feedback
Iterative Decoding
Iterative decoding
Low Complexity
19 Citations (Scopus)

MMSE multipath diversity combining for multi-access TH-UWB in the presence of NBI

Boubaker, N. & Letaief, K., Apr 2006, In : IEEE Transactions on Wireless Communications. 5, 4, p. 712-719 8 p.

Research output: Contribution to journalArticle

Minimum Mean Square Error
Multipath
Ultra-wideband (UWB)
Interference
Receiver

Network coding with low complexity in wireless ad-hoc multicast networks

Zhang, J., Fan, P. & Letaief, K., 2006, 2006 IEEE International Conference on Communications, ICC 2006. Vol. 8. p. 3699-3704 6 p. 4025048

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

Poisson distribution
Network coding
Wireless ad hoc networks
Ad hoc networks
Costs
70 Citations (Scopus)

Optimal antenna selection based on capacity maximization for MIMO systems in correlated channels

Dai, L., Sfar, S. & Letaief, K., Mar 2006, In : IEEE Transactions on Communications. 54, 3, p. 563-573 11 p.

Research output: Contribution to journalArticle

Antennas
Channel state information
Transmitters
Communication systems
Statistics

Performance of adaptive subchannel assignment-based MIMO/OFDM systems over multipath fading channels

Pan, Y., Letaief, K. & Cao, Z., Feb 2006, In : Tsinghua Science and Technology. 11, 1, p. 19-24 6 p.

Research output: Contribution to journalArticle

Multipath fading
Fading channels
Orthogonal frequency division multiplexing
Smart antennas
Antenna arrays

Reduced complexity receiver design for MIMO-OFDM systems with space-time-frequency coding

Li, S., Huang, D., Letaief, K. & Zhou, Z., 2006, IEEE GLOBECOM 2006 - 2006 Global Telecommunications Conference. 4150676

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

Discrete Fourier transforms
Orthogonal frequency division multiplexing
Antennas
Processing
51 Citations (Scopus)
Frequency-domain Equalization
Equalizer
Equalizers
Wireless Communication
Frequency Domain
11 Citations (Scopus)

Space-time block codes in keyhole fading channels: Error rate analysis and performance results

Gong, Y. & Letaief, K., 2006, 2006 IEEE 63rd Vehicular Technology Conference, VTC 2006-Spring - Proceedings. Vol. 4. p. 1903-1907 5 p. 1683178

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

Block Codes
Block codes
Fading Channels
Fading channels
Error Rate
109 Citations (Scopus)

The evolution path of 4G networks: FDD or TDD?

Chan, P. W. C., Lo, E. S., Wang, R. R., Au, E. K. S., Lau, V. K. N., Cheng, R. S., Mow, W. H., Murch, R. D. & Letaief, K., Dec 2006, In : IEEE Communications Magazine. 44, 12, p. 42-50 9 p.

Research output: Contribution to journalArticle

Chemical analysis
2005
36 Citations (Scopus)
MIMO systems
Orthogonal frequency division multiplexing
Resource allocation
Scheduling
Channel state information
26 Citations (Scopus)

Adaptive resource allocation for multiaccess MIMO/OFDM systems with matched filtering

Zhang, Y. J. & Letaief, K., Nov 2005, In : IEEE Transactions on Communications. 53, 11, p. 1810-1816 7 p.

Research output: Contribution to journalArticle

MIMO systems
Orthogonal frequency division multiplexing
Resource allocation
Quality of service
Cochannel interference
9 Citations (Scopus)

Adaptive resource allocation for multiuser MIMO/OFDM networks based on partial channel state information

Chemaly, R., Letaief, K. & Zeghlache, D., 2005, GLOBECOM'05: IEEE Global Telecommunications Conference, 2005. Vol. 6. p. 3922-3926 5 p. 1578505

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

Channel state information
MIMO systems
Orthogonal frequency division multiplexing
Resource allocation
Space-time block coding (STBC)

A general carrier frequency offset estimator for broadband OFDM

Huang, D. & Letaief, K., 2005, 2005 Asia-Pacific Conference on Communications. Vol. 2005. p. 1083-1087 5 p. 1554231

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

Orthogonal frequency division multiplexing
Multipath fading
Maximum likelihood estimation
Wireless local area networks (WLAN)
Statistics
27 Citations (Scopus)

An efficient detector for combined space-time coding and layered processing

Dai, L., Sfar, S. & Letaief, K., Sep 2005, In : IEEE Transactions on Communications. 53, 9, p. 1438-1442 5 p.

Research output: Contribution to journalArticle

Space-time block coding (STBC)
Detectors
Processing
Decoding
188 Citations (Scopus)

An efficient resource-allocation scheme for spatial multiuser access in MIMO/OFDM systems

Zhang, Y. J. & Letaief, K., Jan 2005, In : IEEE Transactions on Communications. 53, 1, p. 107-116 10 p.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Resource allocation
Multiuser detection
Bit error rate
Quality of service
194 Citations (Scopus)

An interference-cancellation scheme for carrier frequency offsets correction in OFDMA systems

Huang, D. & Letaief, K., Jul 2005, In : IEEE Transactions on Communications. 53, 7, p. 1155-1165 11 p.

Research output: Contribution to journalArticle

Convolution
Discrete Fourier transforms
Base stations
Orthogonal frequency division multiplexing
Degradation
1 Citation (Scopus)

A novel broadband MIMO/OFDM system using adaptive modulation and adaptive diversity

Pan, Y., Letaief, K., Cao, Z. & Qiu, Y., Jul 2005, In : Chinese Journal of Electronics. 14, 3, p. 384-388 5 p.

Research output: Contribution to journalArticle

Adaptive Modulation
Adaptive modulation
Orthogonal Frequency Division multiplexing (OFDM)
MIMO systems
Multiple-input multiple-output (MIMO)
22 Citations (Scopus)

Bit-interleaved time-frequency coded modulation for OFDM systems over time-varying channels

Huang, D., Letaief, K. & Lu, J., Jul 2005, In : IEEE Transactions on Communications. 53, 7, p. 1191-1199 9 p.

Research output: Contribution to journalArticle

Frequency modulation
Orthogonal frequency division multiplexing
Fading channels
Frequency selective fading
Maximum likelihood
39 Citations (Scopus)

Cross-layer design for combining cooperative diversity with truncated ARQ in ad-hoc wireless networks

Lin, D. & Letaief, K., 2005, GLOBECOM'05: IEEE Global Telecommunications Conference, 2005. Vol. 6. p. 3175-3179 5 p. 1578361

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

Wireless ad hoc networks
Network protocols
Block codes
Throughput
5 Citations (Scopus)

Cross-layer scheduling and power control combined with adaptive modulation for wireless ad hoc networks

Huang, W. & Letaief, K., 2005, GLOBECOM'05: IEEE Global Telecommunications Conference, 2005. Vol. 6. p. 3180-3184 5 p. 1578362

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

Adaptive modulation
Wireless ad hoc networks
Power control
Scheduling
Ad hoc networks
19 Citations (Scopus)

Energy-efficient MAC-PHY resource management with guaranteed QoS in wireless OFDM networks

Zhang, Y. J. & Letaief, K., 2005, In : IEEE International Conference on Communications. 5, p. 3127-3131 5 p.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Quality of service
Power control
Resource allocation
Scheduling
2 Citations (Scopus)

Estimation of additive noise variance for multiuser CDMA systems

Wu, J., Xiao, C. & Letaief, K., 2005, 2005 International Conference on Communications, Circuits and Systems - Proceedings. Vol. 1. p. 170-174 5 p. WC-12.P(#02_01_31)

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

Additive noise
Code division multiple access
Signal receivers
Frequency selective fading
Time varying systems
11 Citations (Scopus)
Binary phase shift keying
Multiuser detection
Scattering
Antennas
2 Citations (Scopus)

Joint time-frequency beamforming for MIMO-OFDM systems

Li, S., Huang, D., Letaief, K. & Zhou, Z., 2005, GLOBECOM'05: IEEE Global Telecommunications Conference, 2005. Vol. 6. p. 3927-3931 5 p. 1578506

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

Beamforming
MIMO systems
Orthogonal frequency division multiplexing
Multipath fading
Fast Fourier transforms
3 Citations (Scopus)

Matched filter bound of wireless systems over frequency selective channels with receiver timing phase offset

Wu, J., Zheng, Y. R., Letaief, K. & Xiao, C., 2005, GLOBECOM'05: IEEE Global Telecommunications Conference, 2005. Vol. 6. p. 3758-3762 5 p. 1578473

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

Matched filters
Frequency selective fading
Communication systems
Rayleigh fading
11 Citations (Scopus)

Multiuser channel estimation for CDMA systems over frequency-selective fading channels

Wu, J., Xiao, C. & Letaief, K., Jul 2005, In : IEEE Transactions on Wireless Communications. 4, 4, p. 1724-1735 12 p.

Research output: Contribution to journalArticle

Frequency selective fading
Channel Estimation
Code Division multiple Access
Channel estimation
Fading Channels
36 Citations (Scopus)

Optimal diversity-multiplexing tradeoff with group detection for MIMO systems

Sfar, S., Dai, L. & Letaief, K., Jul 2005, In : IEEE Transactions on Communications. 53, 7, p. 1178-1190 13 p.

Research output: Contribution to journalArticle

Multiplexing
Optimal systems
Rayleigh fading
Fading channels
39 Citations (Scopus)
Feedback
Processing
Decision feedback equalizers
Antennas
13 Citations (Scopus)

Space-time turbo multiuser detection for coded MC-CDMA

Li, J., Letaief, K. & Cao, Z., Mar 2005, In : IEEE Transactions on Wireless Communications. 4, 2, p. 538-549 12 p.

Research output: Contribution to journalArticle

Multiuser Detection
Multiuser detection
Multicarrier
Code Division multiple Access
Code division multiple access
4 Citations (Scopus)

Towards a better diversity-multiplexing tradeoff in MIMO systems

Dai, L., Sfar, S. & Letaief, K., 2005, In : IEEE International Conference on Communications. 4, p. 2422-2426 5 p.

Research output: Contribution to journalArticle

Block codes
Multiplexing
3 Citations (Scopus)

Transmit side information assisted user cooperation for multiple-antenna wireless networks

Lo, E. S. & Letaief, K., 2005, 2005 IEEE 16th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2005. Vol. 3. p. 1915-1919 5 p. 1651774

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

Wireless networks
Channel state information
Antennas
Antenna arrays
Wireless sensor networks
2004
15 Citations (Scopus)

A combined timing and frequency synchronization and channel estimation for OFDM

Minn, H., Bhargava, V. K. & Letaief, K., 2004, In : IEEE International Conference on Communications. 2, p. 872-876 5 p.

Research output: Contribution to journalArticle

Channel estimation
Orthogonal frequency division multiplexing
Synchronization
Maximum likelihood
Tuning
6 Citations (Scopus)

Adaptive beamforming with antenna selection in MIMO systems

Pan, Y. H., Letaief, K. & Cao, Z., 2004, In : IEEE Vehicular Technology Conference. 60, 3, p. 1570-1574 5 p.

Research output: Contribution to journalArticle

Antenna Selection
Multiple-input multiple-output (MIMO) Systems
Beamforming
Antennas
Multiple-input multiple-output (MIMO)
45 Citations (Scopus)

Adaptive resource allocation and scheduling for multiuser packet-based OFDM networks

Zhang, Y. J. & Letaief, K., 2004, In : IEEE International Conference on Communications. 5, p. 2949-2953 5 p.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Resource allocation
Scheduling
Quality of service
Multiplexing
144 Citations (Scopus)

A discrete-time model for triply selective MIMO rayleigh fading channels

Xiao, C., Wu, J., Leong, S. Y., Zheng, Y. R. & Letaief, K., Sep 2004, In : IEEE Transactions on Wireless Communications. 3, 5, p. 1678-1688 11 p.

Research output: Contribution to journalArticle

Rayleigh Fading Channel
Discrete-time Model
Rayleigh fading
MIMO systems
Multiple-input multiple-output (MIMO)
7 Citations (Scopus)

A quasi-orthogonal group space-time architecture for higher diversity gains

Dai, L., Sfar, S. & Letaief, K., 2004, GLOBECOM'04 - IEEE Global Telecommunications Conference. Vol. 5. p. 2931-2935 5 p.

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

Multiplexing
Interference suppression