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Research Output 1991 2020

2008
11 Citations (Scopus)

Robust end-to-end QoS maintenance in non-contiguous OFDM based cognitive radios

Mwangoka, J. W., Letaief, K. & Cao, Z., 2008, ICC 2008 - IEEE International Conference on Communications, Proceedings. p. 2905-2909 5 p. 4533583

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

Cognitive radio
Orthogonal frequency division multiplexing
Quality of service
Throughput
Radio systems
6 Citations (Scopus)

Special issue on cooperative communications

Bhargava, V. K. & Letaief, K., May 2008, In : IEEE Transactions on Wireless Communications. 7, 5, p. 1777-1778 2 p., 4524268.

Research output: Contribution to journalEditorial

Cooperative Communication
72 Citations (Scopus)

Throughput maximization of Ad-hoc wireless networks using adaptive cooperative diversity and truncated ARQ

Dai, L. & Letaief, K., 2008, In : IEEE Transactions on Communications. 56, 11, p. 1907-1918 12 p.

Research output: Contribution to journalArticle

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

User cooperation in heterogeneous cognitive radio networks with interference reduction

Sun, C. & Letaief, K., 2008, ICC 2008 - IEEE International Conference on Communications, Proceedings. p. 3193-3197 5 p. 4533637

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

Radio interference
Cognitive radio
Cognitive systems
Throughput
Quality of service

Welcome message from the TPC chairs

Gong, K., Letaief, K. & Niu, Z., 2008, In : IEEE International Conference on Communications. 4533040.

Research output: Contribution to journalEditorial

2007
1 Citation (Scopus)

A blind RAKE receiver with robust multiuser interference cancelation for DS/CDMA communications

Li, P. & Letaief, K., Sep 2007, In : IEEE Transactions on Communications. 55, 9, p. 1793-1801 9 p.

Research output: Contribution to journalArticle

Code division multiple access
Communication
Multipath propagation
Interference suppression
Frequency selective fading
2 Citations (Scopus)

A combination scheme of topology control and channel assignment in wireless ad hoc networks

Li, W., Fan, P. & Letaief, K., 2007, IEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings. p. 1227-1231 5 p. 4411146

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

Wireless ad hoc networks
Topology
68 Citations (Scopus)

Adaptive resource allocation and capacity comparison of downlink multiuser MIMO-MC-CDMA and MIMO-OFDMA

Lo, E. S., Chan, P. W. C., Lau, V. K. N., Cheng, R. S., Letaief, K., Murch, R. D. & Mow, W. H., Mar 2007, In : IEEE Transactions on Wireless Communications. 6, 3, p. 1083-1092 10 p.

Research output: Contribution to journalArticle

Multicarrier
Frequency division multiple access
Orthogonal Frequency Division multiple Access (OFDMA)
Code Division multiple Access
MC-CDMA
1 Citation (Scopus)

Advances in space-time/frequency coding for next generation broadband wireless communications

Zhang, W., Letaief, K., Xia, N. G., Wu, M. & Zhu, W., 2007, Proceedings - 2007 IEEE Radio and Wireless Symposium, RWS. p. 471-474 4 p. 4160753

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

Orthogonal frequency division multiplexing
Communication
Decoding
8 Citations (Scopus)

A network coding unicast strategy for wireless multi-hop networks

Zhang, J., Cai, K., Letaief, K. & Fan, P., 2007, 2007 IEEE Wireless Communications and Networking Conference, WCNC 2007. p. 4224-4229 6 p. 4204947

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

Network coding
Ad hoc networks
Power control
Sensor networks
Transmitters
2 Citations (Scopus)

An optimal antenna assignment strategy for information rain

Dayu, H., Pingyi, F. & Letaief, K., 2007, 2007 IEEE International Conference on Communications, ICC'07. p. 5502-5507 6 p. 4289583

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

Rain
Telecommunication repeaters
Antennas
Subways
Roofs
7 Citations (Scopus)

A quasi-orthogonal group space-time architecture to achieve a better diversity-multiplexing tradeoff

Dai, L., Sfar, S. & Letaief, K., Apr 2007, In : IEEE Transactions on Wireless Communications. 6, 4, p. 1295-1306 12 p.

Research output: Contribution to journalArticle

Diversity-multiplexing Tradeoff
Orthogonal Group
Multiplexing
Space-time
Space-time block coding (STBC)
11 Citations (Scopus)

A systematic design of multiuser space-frequency codes for MIMO-OFDM systems

Zhang, W. & Letaief, K., 2007, 2007 IEEE International Conference on Communications, ICC'07. p. 1054-1058 5 p. 4288850

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

MIMO systems
Orthogonal frequency division multiplexing
Frequency selective fading
Space time codes
Fading channels
18 Citations (Scopus)

Bandwidth efficient cooperative diversity for wireless networks

Zhang, W. & Letaief, K., 2007, IEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings. p. 2942-2946 5 p. 4411467

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

Antenna arrays
Wireless networks
Bandwidth
4 Citations (Scopus)

Channel state adaptive random access for SDMA based wireless LANs

Huang, W. L. & Letaief, K., 2007, IEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings. p. 3651-3655 5 p. 4411603

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

Space division multiple access
Local area networks
Channel state information
Throughput
Antennas
326 Citations (Scopus)

Cluster-based cooperative spectrum sensing in cognitive radio systems

Sun, C., Zhang, W. & Letaief, K., 2007, 2007 IEEE International Conference on Communications, ICC'07. p. 2511-2515 5 p. 4289086

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

Radio systems
Cognitive radio
Fusion reactions
Fading channels
2 Citations (Scopus)

Coded cooperation for improved distance spectrum and diversity in wireless systems

Lo, E. S. & Letaief, K., 2007, IEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings. p. 4344-4348 5 p. 4411736

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

Congestion and access control policies of multi-priority instant services for IP-based CDMA radio access networks

Jianwei, X., Pingyi, F. & Letaief, K., 2007, 2007 IEEE Wireless Communications and Networking Conference, WCNC 2007. p. 3841-3846 6 p. 4204878

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

Access control
Code division multiple access
Mathematical models
Routers
Quality of service
7 Citations (Scopus)

Cooperative concatenated coding for wireless systems

Lo, E. S. & Letaief, K., 2007, 2007 IEEE International Conference on Communications, ICC'07. p. 6097-6102 6 p. 4289681

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

Concatenated codes
Wireless networks
66 Citations (Scopus)

Cooperative spectrum sensing

Letaief, K. & Zhang, W., 2007, Cognitive Wireless Communication Networks. Springer US, p. 115-138 24 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Cognitive radio
Fusion reactions
Communication
Power transmission
Wireless sensor networks
311 Citations (Scopus)

Cooperative spectrum sensing for cognitive radios under bandwidth constraints

Chunhua, S., Wei, Z. & Letaief, K., 2007, 2007 IEEE Wireless Communications and Networking Conference, WCNC 2007. p. 1-5 5 p. 4204182

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

Cognitive radio
Bandwidth
Radio systems

COSE: Combined opportunistic scheduling and encoding strategy for network coding

Ma, Y., Li, W., Fan, P., Letaief, K. & Liu, X., 2007, Proceedings of the IASTED International Conference on Communication Systems, Networks, and Applications, CSNA 2007. p. 1-6 6 p.

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

Network coding
scheduling
coding
Synchronization
Scheduling

Cross layer optimization of downlink power allocation in multi-user wireless communication systems

Chen, W., Cao, Z., Fan, P. & Letaief, K., Oct 2007, In : Frontiers of Electrical and Electronic Engineering in China. 2, 4, p. 381-387 7 p.

Research output: Contribution to journalArticle

Communication systems
Network layers
Dynamic programming
Buffers
Throughput
42 Citations (Scopus)

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

Huang, W. L. & Letaief, K., Apr 2007, In : IEEE Transactions on Communications. 55, 4, p. 728-739 12 p.

Research output: Contribution to journalArticle

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

Distributed space-frequency coding in broadband ad hoc networks

Zhang, W., Li, Y., Xia, N. G., Chinga, P. C. & Letaief, K. B., 2007, 2007 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '07. Vol. 3. 4217753

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

Multipath fading
Wireless ad hoc networks
Ad hoc networks
Fading channels
Error probability
13 Citations (Scopus)

Error probability for MIMO zero-forcing receiver with adaptive power allocation in the presence of imperfect channel state information

Au, E. K. S., Wang, C., Sfar, S., Murch, R. D., Mow, W. H., Lau, V. K. N., Cheng, R. S. & Letaief, K., Apr 2007, In : IEEE Transactions on Wireless Communications. 6, 4, p. 1523-1528 6 p.

Research output: Contribution to journalArticle

Link Adaptation
Zero-forcing
Channel state information
Power Allocation
Channel State Information
6 Citations (Scopus)

Fair and efficient resource allocation for cooperative diversity in ad-hoc wireless networks

Chen, W., Dai, L., Letaief, K. & Cao, Z., 2007, 2007 IEEE Wireless Communications and Networking Conference, WCNC 2007. p. 4099-4104 6 p. 4204924

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

Wireless ad hoc networks
Outages
Resource allocation
Wireless networks
16 Citations (Scopus)
Frequency-domain Equalization
Precoding
Mean square error
Broadband
Output

From the outgoing editor-in-chief

Letaief, K., Jan 2007, In : IEEE Transactions on Wireless Communications. 6, 1, p. 1-2 2 p.

Research output: Contribution to journalEditorial

Greetings from the general chairs

Letaief, K. & Chih-Lin, I., 2007, In : IEEE Wireless Communications and Networking Conference, WCNC. 4204178.

Research output: Contribution to journalEditorial

75 Citations (Scopus)

Joint beamforming and scheduling in cognitive radio networks

Hamdi, K., Zhang, W. & Letaief, K., 2007, IEEE GLOBECOM 2007 - 2007 IEEE Global Telecommunications Conference, Proceedings. p. 2977-2981 5 p. 4411474

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

Cognitive radio
Beamforming
Scheduling
Throughput
Base stations
2 Citations (Scopus)

Joint channel state based random access and adaptive modulation in wireless LAN with multi-packet reception

Huang, W. L., Letaief, K. & Zhang, Y. J., 2007, 2007 IEEE International Conference on Communications, ICC'07. p. 4704-4709 6 p. 4289448

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

Adaptive modulation
Local area networks
Medium access control
Throughput
Network protocols
53 Citations (Scopus)

Joint design of network coding and channel decoding for wireless networks

Zhang, S., Zhu, Y., Liew, S. C. & Letaief, K., 2007, 2007 IEEE Wireless Communications and Networking Conference, WCNC 2007. p. 780-785 6 p. 4204325

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

Network coding
Decoding
Wireless networks
Channel capacity
Bit error rate
18 Citations (Scopus)

Maximum flow and network capacity of network coding for ad-hoc networks

Wang, H., Fan, P. & Letaief, K., Dec 2007, In : IEEE Transactions on Wireless Communications. 6, 12, p. 4193-4198 6 p.

Research output: Contribution to journalArticle

Maximum Flow
Network coding
Network Coding
Ad hoc networks
Ad Hoc Networks
79 Citations (Scopus)

MIMO broadcast scheduling with limited feedback

Zhang, W. & Letaief, K., Sep 2007, In : IEEE Journal on Selected Areas in Communications. 25, 7, p. 1457-1467 11 p.

Research output: Contribution to journalArticle

MIMO systems
Scheduling
Feedback
Base stations
Throughput
11 Citations (Scopus)

Multi-stage beamforming for coded OFDM with multiple transmit and multiple receive antennas

Li, S., Huang, D., Letaief, K. & Zhou, Z., Mar 2007, In : IEEE Transactions on Wireless Communications. 6, 3, p. 959-968 10 p.

Research output: Contribution to journalArticle

Multiple Antennas
Beamforming
Division
Antennas
Discrete Fourier transforms

On channel coding selection in time-slotted ALOHA packetized multiple-access systems over rayleigh fading channels

Chen, W., Pingyi, F. & Letaief, K., 2007, 2007 IEEE International Conference on Communications, ICC'07. p. 5975-5980 6 p. 4289661

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

Channel coding
Rayleigh fading
Fading channels
4 Citations (Scopus)

On the achievable throughput of MIMO broadcast channels with finite rate feedback

Zhang, W. & Letaief, K., 2007, 2007 IEEE International Conference on Communications, ICC'07. p. 2534-2539 6 p. 4289090

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

MIMO systems
Scheduling
Throughput
Feedback
Antennas
10 Citations (Scopus)

On the error performance of wireless systems with frequency selective fading and receiver timing phase offset

Wu, J., Zheng, Y. R., Letaief, K. & Xiao, C., Feb 2007, In : IEEE Transactions on Wireless Communications. 6, 2, p. 720-728 9 p.

Research output: Contribution to journalArticle

Frequency selective fading
Matched filters
Fading
Clocks
Timing
26 Citations (Scopus)

On the error probability of orthogonal space-time block codes over keyhole MIMO channels

Gong, Y. & Letaief, K., Sep 2007, In : IEEE Transactions on Wireless Communications. 6, 9, p. 3402-3409 8 p.

Research output: Contribution to journalArticle

Block Codes
Block codes
Error Probability
Multiple-input multiple-output (MIMO)
Diversity Gain
21 Citations (Scopus)

On the geometrical characteristic of wireless ad-hoc networks and its application in network performance analysis

Fan, P., Li, G., Cai, K. & Letaief, K., Apr 2007, In : IEEE Transactions on Wireless Communications. 6, 4, p. 1256-1264 9 p.

Research output: Contribution to journalArticle

Wireless Ad Hoc Networks
Wireless ad hoc networks
Network Analysis
Network Performance
Network performance
67 Citations (Scopus)

Opportunistic network coding for wireless networks

Chen, W., Letaief, K. & Cao, Z., 2007, 2007 IEEE International Conference on Communications, ICC'07. p. 4634-4639 6 p. 4289436

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

Network coding
Wireless networks
Packet loss
Hidden Markov models
Markov processes
1 Citation (Scopus)

Optimal cross-layer power allocation with channel and queue state information

Chen, W., Cao, Z. G., Fan, P. Y. & Letaief, K., Aug 2007, In : Tongxin Xuebao/Journal on Communications. 28, 8, p. 16-23 8 p.

Research output: Contribution to journalArticle

Water
20 Citations (Scopus)

Optimal delay-power tradeoff in wireless transmission with fixed modulation

Chen, W., Cao, Z. & Letaief, K., 2007, 2007 International Workshop on Cross Layer Design, IWCLD 2007. p. 60-64 5 p. 4379038

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

Scheduling
Modulation
Transmitters
Adaptive modulation
Packet loss
7 Citations (Scopus)

Optimizing downlink throughput with user cooperation and scheduling in adaptive cellular networks

Lo, E. S. & Letaief, K., 2007, 2007 IEEE Wireless Communications and Networking Conference, WCNC 2007. p. 4345-4350 6 p. 4204968

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

Scheduling
Throughput
15 Citations (Scopus)

Performance comparison of downlink multiuser MIMO-OFDMA and MIMO-MC-CDMA with transmit side information - Multi-cell analysis

Chan, P. W. C., Lo, E. S., Lau, V. K. N., Cheng, R. S., Letaief, K., Murch, R. D. & Mow, W. H., Jun 2007, In : IEEE Transactions on Wireless Communications. 6, 6, p. 2193-2202 10 p.

Research output: Contribution to journalArticle

Multicarrier
Frequency division multiple access
Side Information
Orthogonal Frequency Division multiple Access (OFDMA)
Code Division multiple Access
90 Citations (Scopus)

Power control in cognitive radio systems based on spectrum sensing side information

Hamdi, K., Wei, Z. & Letaief, K., 2007, 2007 IEEE International Conference on Communications, ICC'07. p. 5161-5165 5 p. 4289524

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

Radio systems
Cognitive radio
Power control
Quality of service
14 Citations (Scopus)

Pre-DFT processing for MIMO-OFDM systems with space-time-frequency coding

Li, S., Huang, D., Letaief, K. & Zhou, Z., Nov 2007, In : IEEE Transactions on Wireless Communications. 6, 11, p. 4176-4182 7 p.

Research output: Contribution to journalArticle

Discrete Fourier transform
Orthogonal Frequency Division multiplexing (OFDM)
Discrete Fourier transforms
Orthogonal frequency division multiplexing
Coding
33 Citations (Scopus)

Single-carrier frequency-domain equalization with noise prediction for MIMO systems

Zhu, Y. & Letaief, K., May 2007, In : IEEE Transactions on Communications. 55, 5, p. 1063-1076 14 p.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Feedback
Communication
Processing
118 Citations (Scopus)

Space-time/frequency coding for MIMO-OFDM in next generation broadband wireless systems

Zhang, W., Xia, X. G. & Letaief, K., Jun 2007, In : IEEE Wireless Communications. 14, 3, p. 32-43 12 p.

Research output: Contribution to journalArticle

Orthogonal frequency division multiplexing
Frequency division multiple access
Communication