Publications

 
 

  1. 1. K.N. Lau, Y. K. Kwok, “Channel Adaptation Technologies and Cross Layer Designs for Multi-antenna Wireless Systems” – John Wiley and Sons [John Proakis Telecom Series], 2006.

  2. 2. Y. K. Kwok, K.N. Lau, “Wireless Internet and Mobile Computing: Interoperability and Performance” – John Wiley and         Sons, 2006.

 

Books

IEEE Journal Papers

IEEE Best Paper Awards

  1. 1. W. Wang, S. Lou, K. Chui, S. Rong, C. F. Lok, H. Zheng, H. T. Chan, S. W. Man,, H. C. Luong, V. K. Lau, C. Y. Tsui, “A Single-Chip UHF RFID Reader in 0.18-μm CMOS”, IEEE Custom Integrated Circuits Conference 2007.

  2. 2. David Shui Wing Hui, Vincent Kin Nang Lau, “Distributive Delay-Sensitive Cross-Layer Design for OFDMA Systems”, IEEE International Conference on Communications (ICC 2008).

  3. 3. Vincent Kin-Nang Lau, Wing Kwan NG, David Shui Wing HUI, Bin CHEN, "Cross-Layer Optimization for OFDMA System  with Imperfect CSIT in Quasi Static Channel", IEEE 3rd International Conference on Communications & Networking in China (Chinacom 2008).

  4. 4. Kaibin Huang, Vincent LAU, “Enabling Wireless Power Transfer in Cellular Networks: Architecture, Modeling and Deployment”, IEEE Transactions on Wireless Communications, vol. 13, no. 2, pp 902 -- 912, 2014 (Best Paper Award in IEEE Com Soc Asia Pacific Chapter, 2015)

Delay-Aware Cross Layer Stochastic Optimization

Cooperative and Cognitive Communication Systems

  1. 1. V. LAU, F. Zhang, Y. Cui, “Low Complexity Delay-Constrained Beamforming for Multi-User MIMO Systems with Imperfect CSIT” to appear in IEEE Transactions on Signal Processing, 2013. (Arxiv: http://arxiv.org/pdf/1305.1012.pdf). 

  2. 2.J. Chen, V. LAU, “Delay Analysis of Max-Weight Queue Algorithm for Time-Varying Wireless Adhoc Networks – Control Theoretical Approach”, IEEE Transactions on Signal Processing, vol. 61, Issue 1, pp. 99 -108, Jan 2013. (Arxiv: http://arxiv.org/pdf/1211.0779.pdf)

  3. 3.Ying Cui; V. Lau, R. Wang, H. Huang, “A Survey on Delay-Aware Resource Control for Wireless Systems — Large Derivation Theory, Stochastic Lyapunov Drift and Distributed Stochastic Learning”, IEEE Transactions on Information Theory, Vol. 58, Issue 3, pp1677-1701, March 2012. (Arxiv: http://arxiv.org/pdf/1110.4535.pdf)

  4. 4.J. Chen, V. LAU, “Large Deviation Delay Analysis of Queue-Aware Multi-user MIMO Systems with Multi-timescale Mobile-Driven Feedback”, to appear IEEE Transactions on Signal Processing, 2013. (Arxiv: http://arxiv.org/pdf/1211.0779.pdf).

  5. 5.K.B. Huang, V.K.N.Lau, “Stability and Delay of Zero-Forcing SDMA with Limited Feedback", IEEE Transactions on Information Theory, vol. 58 no. 10, pp 6499-6514, Oct 2012 (ArXiv: http://arxiv.org/abs/0902.0337).

  6. 6.V. LAU, C. H. Koh, “Tradeoff Analysis of Delay-Power-CSIT Quality of Dynamic BackPressure Algorithm for Energy Efficient OFDM Systems”, IEEE Transactions on Signal Processing, Vol. 60, Issue 8, pp. 4254-4263, Aug 2012. (Arxiv: http://arxiv.org/pdf/1204.6482.pdf).

  7. 7.Y. Cui, V. LAU, Y. Wu, “Delay-Aware BS discontinuous transmission control and user scheduling for energy harvesting downlink coordinated MIMO Systems”, IEEE Transactions on Signal Processing, vol. 60, issue 7, pp. 3786—3795, July 2012. (Arxiv: http://arxiv.org/pdf/1204.0199.pdf).

  8. 8.H. Huang, V. Lau, “Decentralized delay optimal control for interference networks with limited renewable energy storage”, IEEE Transactions on Signal Processing, vol. 60, issue 5, pp. 2552-2561, May 2012. (Arxiv: http://arxiv.org/pdf/1202.2113.pdf).

  9. 9.Ying Cui; Qingqing Huang; Lau, V.K.N, “Queue-Aware Dynamic Clustering and Power Allocation for Network MIMO Systems via Distributed Stochastic Learning”, IEEE Transactions on Signal Processing, Vol. 59, Issue 3, pp. 1229—1238, Mar 2011.

  10. 10.Rui Wang; Lau, V.K.N.; Cui, Y., “Queue-Aware Distributive Resource Control for Delay-Sensitive Two-Hop MIMO Cooperative Systems”, IEEE Transactions on Signal Processing, Vol. 59, Issue 1, pp. 341—350, Jan 2011.

  11. 11.Ying Cui; Qingqing Huang; Lau, V.K.N, “Queue-Aware Dynamic Clustering and Power Allocation for Network MIMO Systems via Distributed Stochastic Learning”, IEEE Transactions on Signal Processing, Vol. 59, Issue 3, pp. 1229—1238, Mar 2011.

  12. 12.Huang Huang; Lau, V.K.N., “Delay-Optimal User Scheduling and Inter-Cell Interference Management in Cellular Network via Distributive Stochastic Learning”, IEEE Transactions on Wireless Communications, Vol. 9, Issue 12, pp. 3790--3797, Dec 2010.

  13. 13.R. WANG, V,K.N.LAU, H.HUANG, “Opportunistic Buffered Decode-Wait-and-Forward (OBDWF) Protocol for Mobile Wireless Relay Networks", IEEE Transactions on Wireless Communications, pp. 1224-1231, 2010.

  14. 14.Y. CUI, V.K.N.Lau, “Distributive Stochastic Learning for Delay-Optimal OFDMA Power and Subband Allocation”, IEEE Transactions on Signal Processing, Vol. 58, Issue 9, pp. 4848—4858, Sept 2010. (ArXiv: http://arxiv.org/pdf/1005.0075).

  15. 15.V.K.N.Lau, Y.Chen, “Delay-Optimal Precoder Design for MultiStream MIMO System”, IEEE Transactions on Wireless Communications, Vol. 8, Issue 6, pp. 3104—3111, 2009.(full version delay-sensitive-mimo-TW-final-full.pdf).

  16. 16. V.K.N.Lau, Y. Cui, “Delay-Optimal Power and Subcarrier Allocation for OFDMA Systems via Stochastic Approximation”, IEEE Transactions on Wireless Communications, Vol. 9, Issue 1, pp. 227-233, Jan 2010. (ArXiv: http://arxiv.org/pdf/0912.1198)

  17. 17.  Y. Chen, V.K.N.Lau, S.Q. Zhang, P.L. Qiu, “Protocol Design and Delay Analysis of Half-Duplex Buffered Cognitive Relay Systems”, IEEE Transactions on Wireless Communications, vol. 9, Issue 3, pp. 898-902, March 2010.

  18. 18. H.Huang, V.K.N.Lau, “Delay-Sensitive Distributed Power and Transmission Threshold Control for S-ALOHA Network with Finite State Markov Fading Channels, IEEE Transactions on Wireless Communications, Vol. 8, Issue 11, pp. 5632—5638, 2009.

  19. 19. D.S.W. Hui, V.K.N. Lau, “Delay-Sensitive Cross-Layer Designs for OFDMA Systems with Outdated CSIT”, to appear in IEEE Transactions on Wireless Communications, 2009 (full version design&analysis_DS_CL_ofdma_jan-07-0049_final.pdf).

  20. 20. Hui, D.S.W.; Lau, V.K.N.; Wong Hing Lam, “Design and Analysis of OFDMA Optimization With Heterogeneous Delay Requirements”, IEEE Transactions on Wireless Communications, Page(s):2872 – 2880, August 2007. (full version tw_hetero_ofdma_long.pdf).

  21. 21. K.N. Lau, S.V. Maric, "Mobility of Queued Call Requests of a New Call Queuing Technique for Cellular Systems", IEEE Transactions on Vehicular Technology, vol. 47, Issue 2, pp 480-489, May 1998.

  1. 1. Shunqing Zhang; Lau, V.K.N. “Multi-Relay Selection Design and Analysis for Multi-Stream Cooperative Communications, IEEE Transactions on Wireless Communications, vol. 10, issue 4, pp. 1082—1089, Apr, 2011 

  2. 2. R.Wang, V.K.N.Lau, Linjun Lv, Bin Chen, Joint Cross-Layer Scheduling and Spectrum Sensing for OFDMA Cognitive Radio Systems, IEEE Transactions on Wireless Communications, vol. 8, issue 5, pp. 2410-2416, May 2009.

  3. 3.  Y. Cui, V.K.N.Lau, R. Wang, “Distributive Subcarrier, Power, and Rate Allocation for Relay- Assisted OFDMA Cellular Systems with Imperfect System State Knowledge, IEEE Transactions on Wireless Communications, vol. 8, issue 10, pp. 5096—5102, 2009. (AriXv: http://arxiv.org/pdf/0912.1216).

  4. 4.  R. Wang, V.K.N. Lau, “Opportunistic Buffered Decode-Wait-and-Forward (OBDWF) Protocol for Mobile Wireless Relay Networks”, IEEE Transactions on Wireless Communications, 2011 pp. 1224-1231.

  5. 5. R. Wang, V.K.N.Lau, Y. Cui, “Decentralized Fair Resource Allocation for Relay-Assisted Cognitive Cellular Downlink Systems”, IEEE Journals of Selected Topics on Signal Processing, pp. 171-181, Jan 2011.

  6. 6. L. Ruan, V.K.N. Lau, “Decentralized Dynamic Hop Selection and Power Control in Cognitive Linear Multi-hop Cooperative Systems”, IEEE Transactions on Wireless Communications, 2010, pp. 3024-3030.

  7. 7.S. Ruan, V.K.N. Lau, “Robust Power Control and Performance Analysis of Cognitive Radio Systems under Dynamic Spectrum Activity and Imperfect knowledge of System State”, IEEE Transactions on Wireless Communications, vol. 8, issue 9, pp. 4616—4622, 2009.

  8. 8. S.Q. Zhang, T.Y. Wu, V.K.N.Lau,”A low overhead energy detection based cooperative sensing protocol for cognitive radio systems”, IEEE Transactions on Wireless Communications, Vol. 8, Issue 11, pp. 5575—5581, 2009.

  9. 9. S.Q.Zhang, V.K.N.Lau, Resource Allocation for OFDMA System with Orthogonal Relay using Rateless Code, IEEE Transactions on Wireless Communications, vol. 7, Issue 11, pp. 4534-4540, Nov. 2008.

  1. 1. Daher, A.; Rabbat, M.G.; Lau, V.K.N., “Local silencing rules for randomized gossip”, International Conference on Distributed Computing in Sensor Systems and Workshops (DCOSS), 2011, Page(s): 1 – 8.

  2. 2. R. Wang, V.K.N. Lau, Y.Cui, “Queue-aware distributive resource control for delay-sensitive two-hop MIMO cooperative systems, “IEEE Conference on Decision and Control” (CDC), pp 5630-5635, 2010.

  3. 3. E. Chiu, V.K.N.Lau, Tao Wu, Sheng Liu, Y. Cui, Robust transceiver design for K-pairs quasi-static MIMO interference channels via semi-definite relaxation”, ASILOMAR 2010, pp. 2094—2098.

  4. 4. Y. Cheng, V.K.N. Lau, Y. Long, “A Scalable Limited Feedback Design for Network MIMO using Per-Cell Codebook”, IEEE WCNC 2010, pp. 1-6.

  5. 5. H.Huang, V.K.N. Lau, Y.G. Du, S. Liu, “Robust approximate lattice alignment design for K-pairs quasi-static MIMO interference channels with imperfect CSI”, IEEE International Symposium on Information Theory (SIT), 2010, pp. 2298-2302.

  6. 6. Y. Hao, V.K.N.Lau, “Rank Constrained Schur-Convex Optimization with Multiple Trace/Log-Det Constraints”, IEEE Globecom 2010, pp. 1-5.

  7. 7. Y. Cheng, V.K.N. Lau, “Iterative Primal-Dual Scaled Gradient Algorithm with Dynamic Scaling Matrices for Solving Distributive NUM over Time-Varying Fading Channels”, IEEE Globecom 2010, pp. 1-5.

  8. 8. K. Huang, V.K.N. Lau, D.K. Kim, “Stochastic feedback control for spatial interference avoidance”, ASILOMAR, 2010, pp. 937-941.

  9. 9. Y. Cui, V.K.N. Lau, “Convergence-optimal quantizer design of distributed contraction-based iterative algorithms with quantized message passing”, ASILOMAR 2010, pp. 1034-1038.

  10. 10. K. Huang, V.K.N. Lau, D.K. Kim, “Multi-Antenna Beamforming: Feedback or No Feedback?”, IEEE ICC 2010, pp. 1-5.

  11. 11. R. Wang, V.K.N. Lau, H. Huang,”Delay Optimal Power Control and Relay Selection for Two-Hop Cooperative OFDM systems via distributive stochastic learning”, IEEE International Symposium on Information Theory (ISIT), pp. 1843-1847, 2010.

  12. 12. Y. Hao, V.K.N.Lau, “Rank-constrained transmit covariance optimization in MIMO cognitive radio networks”, IEEE International Conference on Wireless Communications and Signal Processing (WCSP), 2010, pp. 1-6.

  13. 13. H. Huang, V.K.N. Lau, “Delay-Optimal User Scheduling and Inter-cell Interference Management in Cellular Network via Distributive Stochastic Learning”, IEEE Globecom 2010, pp. 1-5.

  14. 14. Yan Chen, V. K.N. Lau, Shunqing Zhang, Peilang Qiu, “Exploiting Buffers in Cognitive Multi-Relay Systems for Delay-Sensitive Applications”, IEEE 7th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOPT), June 2009.

  15. 15. Kaibin Huang, V.K.N. Lau, Yan Chen, “Spectrum Sharing between Cellular and Mobile Ad Hoc Networks: Transmission-Capacity Tradeoff”, IEEE 7th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOPT), June 2009.

  16. 16. R. Wang, V.K.N. Lau, “A New Scaling Law on Throughput and Delay Performance of Wireless Mobile Relay Networks over Parallel Fading Channels”, IEEE International Symposium on Information Theory (ISIT), p. 784, June 2009.

  17. 17. Steven Ruan, V.K.N. Lau, “Delay-Optimal Power Control and Performance Analysis in SDMA System with Limited Buffer Size via Stochastic Decomposition”, IEEE International Symposium on Information Theory (ISIT), p. 1403, June 2009.

  18. 18. Huang Huang, V.K.N. Lau, “Delay-Optimal Distributed Power and Transmission Threshold Control for S-ALOHA Network with FSMC Fading Channels”, IEEE International Symposium on Information Theory (ISIT), p. 571, June 2009.

  19. 19. Yan Chen; Hui Huang; Lau, V.K.N.;” Cooperative Spectrum Access for Cognitive Radio Network Employing Rateless Code”, IEEE International Conference on Communications Workshops, (ICC Workshops), pp 326-331, May 2008.

  20. 20. Xueyuan Zhao; Zhengang Pan; Chan, P.W.C.; Chih-Lin I; Cheng, R.S.K.; Lau, V.K.N.;” Degradation in Convolutionally Coded V-BLAST System and A Performance Improvement Method”, IEEE Vehicular Technology Conference, (VTC Spring), pp 544-548, May 2008.

  21. 21. S.Q.Zhang, V.K.N.Lau, Design and Analysis of Distributive Delay-Sensitive Cross-Layer Design for OFDMA Systems, IEEE International Conference on Communications (ICC), 2008.

  22. 22.P. Chan, D. Lee, F. Tam, C. I, R. Cheng, V.Lau, Angular-domain Channel Model and Channel Estimation for MIMO System, IEEE International Conference on Communications (ICC), 2008.

  23. 23.D. Hui, V.K.N.Lau, “Distributed OFDMA Cross Layer Design for Delay Sensitive Applications”, IEEE International Conference on Communications (ICC), 2008.

  24. 24.V.K.Lau, W.Ng, D. Hui, “Asymptotic Tradeoff between Cross-layer Throughput gain and Outage Diversity in OFDMA Systems with slow Fading and Outdated CSIT”, IEEE International Symposium on Information Theory (ISIT), 2007.

  25. 25.S.Q.Zhang, V.K.N.Lau, “Resource Allocation for OFDMA System with Orthogonal Relay using Rateless Code”,IEEE International Symposium on Information Theory (ISIT), 2007.

  26. 26.Man, A.S.W.; Zhang, E.S.; Lau, V.K.N.; Tsui, C.Y.; Luong, H.C, Low Power VLSI Design for a RFID Passive Tag baseband System Enhanced with an AES Cryptography Engine, IEEE RFID Eurasia, Page(s):1 - 6 Sept. 2007.

  27. 27.Hin-Tat Chan; Wenting Wang; Chi Fung Lok; Lau, V.K.; Chi-Ying Tsui; Luong, H.C., A Mixed-Signal Architecture of Channel Select Filtering with Oversampled ADC for Multi-Standard RFID Reader Receiver, IEEE International Conference on RFID, Page(s):108 – 114, 26-28 March 2007..

  28. 28.Wang, W.; Lou, S.; Chui, K.; Rong, S.; Lok, C. F.; Zheng, H.; Chan, H. T.; Man, S. W.; Luong, H. C.; Lau, V. K.; Tsui, C. Y, “A Single-Chip UHF RFID Reader in 0.18-ýým CMOS”, IEEE Custom Integrated Circuits Conference (CICC), Page(s):111 – 114,  Sept. 2007 {Best Paper Award}.

  29. 29.Lau, V.K.N.; Mok, B.S.M,Combined Rate and Precoder Design for Slow Fading Correlated MIMO Channels with Limited Feedback, IEEE Wireless Communication and Networking Conference (WCNC), Page(s):1150 – 1155, March 2007.

  30. 30.Hui, D.S.W.; Lau, V.K.N, Delay-Sensitive Cross-Layer Designs for OFDMA Systems with Outdated CSIT, IEEE Wireless Communication and Networking Conference (WCNC), Page(s):264 - 269 March 2007.

  31. 31.Ho, Z.K.M.; Lau, V.K.N.; Cheng, R.S.K., Closed Loop Cross Layer Scheduling for Goodput Maximization in Frequency Selective Environment with No CSIT, IEEE Wireless Communication and Networking Conference (WCNC), Page(s):299 – 303, March 2007.

  32. 32.Huang, J.W.; Au, E.K.S.; Lau, V.K.N, Linear Precoder and Equalizer Design for Uplink Multiuser MIMO Systems with Imperfect Channel State Information, IEEE Wireless Communication and Networking Conference (WCNC), Page(s):1295 – 1300, March 2007.

  33. 33.Boubaker, N.; Ong, D.C.Y.; Cheng, R.S.K.; Lau, V.K.N.; Chih Lin I, Practical Antenna Selection for Spatial Multiplexing MIMO Systems with Decoding Ordering, IEEE Wireless Communication and Networking Conference (WCNC), Page(s):1205 – 1209, March 2007.

  34. 34.Zhang, M.; Lau, V.; Lea, C.-T, On Mobility and Cross-Layer Scheduling, IEEE ICC, Page(s):5648 – 5653, June 2007.

  35. 35.Man, A.S.W.; Zhang, E.S.; Chan, H.T.; Lau, V.K.N.; Tsui, C.Y.; Luong, H.C, Design and Implementation of a Low-power Baseband-system for RFID Tag, IEEE International Symposium on Circuits and Systems (ISCAS), Page(s):1585 – 1588, May 2007.

  36. 36.Sin, C.Y.; Lau, V.K.N, On the Theoretical Analysis of Optimal Cellular Systems design with Multi-user Detection in slow flat fading channel - Uplink Analysis, IEEE Vehicular Technology Conference (VTC), Page(s):182 - 186 May 2006.

  37. 37.Lim, A.W.C.; Lau, V.K.N, On the Diversity and Multiplexing Tradeoff for MIMO Links with Imperfect CSIT, IEEE Vehicular Technology Conference (VTC) Page(s):1655 – 1659, May 2006.

  38. 38.Lingfan Weng; Murch, R.D.; Lau, V.K.N, SISO-OFDM channel estimation in the presence of carrier frequency offset, IEEE Wireless Communication and Networking Conference (WCNC) Page(s):1444 – 1449, March 2006.

  39. 39.Cheng Wang; Au, E.K.S.; Murch, R.D.; Lau, V.K.N, Closed-Form Outage Probability and BER of MIMO Zero-Forcing Receiver in the Presence of Imperfect CSI, IEEE SPAWC, Page(s):1 - 5 July 2006.

  40. 40.Huang, J.W.; Au, E.K.S.; Lau, V.K.N., Linear Precoding for Space-Time Coded MIMO Systems using Partial Channel State Information, IEEE International Symposium on Information Theory (ISIT), Page(s):391 – 395 July 2006.

  41. 41.Meilong Jiang; Hui, D.S.W.; Lau, V.K.N.; Lam, W.H, Cross-layer Downlink Scheduling of Multi-user Multi-Antenna Systems with Heterogeneous Delay Constraints, IEEE International Symposium on Information Theory (ISIT), Page(s):2894 - 2898 July 2006.

  42. 42.Lim, A.W.C.; Lau, V.K.N, On the Fundamental Tradeoff of Spatial Diversity and Spatial Multiplexing of MIMO Links with Imperfect CSIT, IEEE International Symposium on Information Theory (ISIT), Page(s):2704 - 2708 July 2006.

  43. 43.Sin, C.Y.; Lau, V.K.N, Exact Packet Outage Expressions of Multi-user Detection with Adaptive Successive Interference Cancellation for Wireless Systems in Slow Fading Channels, IEEE International Conference on Communications (ICC), Page(s):4994 – 4999 June 2006.

  44. 44.*Yi Wu, KN Lau, M. Patzold “Signal design for trellis-coded unitary space-time modulation”, IEEE Globecom, Volume 3, Page(s):1576 – 1580, 28 Nov.-2 Dec. 2005.

  45. 45.VKN Lau, T Wu, “On the encoding rate and modulation adaptation design for MIMO links with CSIT”, IEEE Globecom, Volume 5, Page(s):2709 – 2713, 28 Nov.-2 Dec. 2005.

  46. 46.Lau, V.K.N, Meilong Jiang, “Downlink scheduling and rate adaptation design of multi-user, multiple-antenna base station with imperfect CSIT”, IEEE Globecom, Volume 5, Page(s):2704 – 2708, 28 Nov.-2 Dec. 2005.

  47. 47.Y. Wu*, K.N. Lau, “Optimal Constellations Design for Trellis Coded Unitary Space-Time Modulation”, PIMRC Sept 2005.

  48. 48.K.N. Lau, M.L. Jiang, “On the Rate Adaptation and Scheduling Design of Downlink Multi-user Multiple-antenna Base Station with Imperfect CSIT”, PIMRC, Sept 2005.

  49. 49.R. Wang, K.N. Lau, “'Performance Analysis of Downlink Multi-antenna Multi-user OFDMA Systems with Imperfect CSIT”, PIMRC, Sept 2005.

  50. 50.K.N. Lau, “'Optimal Transmission and Feedback Design for OFDM/MIMO Systems in Frequency Selective Fading Channels with Limited Feedback”, VTC, Sept 2005.

  51. 51.W. Da, Y. Liu, V.K.N. Lau, B. Rider, ”Power On/Off Strategy Design for MIMO Systems with Finite Rate Channel State Feedback”, International Symposium on Information Theory (ISIT) Sept 2005.

  52. 52.K.N. Lau, “On the Design and Tradeoff of Wireless Downlink Space Time Scheduler on Network Capacity and Coverage”, Allerton Conference, 2004.

  53. 53.K.N.Lau, M.L.Jiang, S. Liew, O.C. Yue, “Performance Analysis of Downlink Multi-Antenna Scheduling for Voice and Data Applications”, Allerton Conference 2004.

  54. 54.Y. Liu, J. Hou, V.K.N. Lau, “Complexity Bounds of LDPC codes for Parallel Channels”, Allerton Conference 2004.

  55. 55.K.N.Lau, “Optimal downlink space-time scheduling designs with convex utility functions - multiple antenna systems with orthogonal transmit beamforming”, IEEE International Conference on Communications, vol: 5, pp.3040-3045, June 2004.

  56. 56.K.N. Lau, “Mobile-assisted scheduling for downlink multibeam phase-sweep transmit diversity (PSTD) with partial feedback”, WCNC - IEEE Wireless Communications and Networking Conference, vol.4, pp.2153-2158, March 2004.

  57. 57.K.N. Lau, “'Performance Analysis of Multi-cell systems with Multiuser Detection and Multiple Antennas”, WCNC - IEEE Wireless Communications and Networking Conference, vol. 1, pp.560-564, March 2004.

  58. 58.K.N. Lau, Y. Liu, T. Chen, “The Optimal Partial Feedback Design for MIMO Block Fading Channels”, International Symposium on Information Theory, pp 65—65, June 2003.

  59. 59.Y. Liu, K.N. Lau, “Optimal Iterative SISO strategy for MIMO Fading Channels”, International Symposium on Information Theory, pp 297, June 2003.

  60. 60.K.N. Lau, “Optimal Partial Feedback Design for Multi-user MIMO Block Fading Channels”, Information Theory Workshop, pp.94—98, Mar 2003, Paris.

  61. 61.Li Wang; Yu-Kwong Kwok; Wing-Cheong Lau; K.N. Lau, “Channel adaptive fair queueing for scheduling integrated voice and data services in multicode CDMA systems” Wireless Communications and Networking, 2003. WCNC 2003. 2003 IEEE, Volume: 3 pp 1651 - 1656, March 2003.

  62. 62.Li Wang, Yu-Kwong Kwok, Wing-Cheong Lau, and K.N. Lau, "On Channel-Adaptive Fair Multiple Access Control," Proceedings of the 2003 IEEE International Conference on Communications (ICC'2003), vol. 1, pp. 276-280, Anchorage, Alaska, USA, May 2003.

  63. 63.K.N.Lau, “Optimal partial feedback design for SISO block fading channels”, Wireless Communications and Networking, 2003. WCNC 2003, Volume: 2, pp. 936 – 940, March 2003.

  64. 64.Xiao-Hui Lin; Yu-Kwong Kwok; K.N. Lau, “On channel-adaptive routing in an IEEE 802.11b based ad hoc wireless network”, Global Telecommunications Conference, 2003. GLOBECOM '03. IEEE, Volume: 6,pp 3509 - 3513, Dec. 2003.

  65. 65.Xiao-Hui Lin; Yu-Kwong Kwok; K.N. Lau, “A new power control approach for IEEE 802.11 ad hoc networks”, Personal, Indoor and Mobile Radio Communications, 2003. 14th IEEE Proceedings on PIMRC 2003. pp. 1761--1765, Volume: 2, Sept., 2003. 

  66. 66.Xiao-Hui Lin, Yu-Kwong Kwok, and K.N. Lau, "Power Control for IEEE 802.11 Ad Hoc Networks: Issues and A New Algorithm," Proceedings of the 2003 International Conference on Parallel Processing (ICPP'2003), pp. 249-256, Kaohsiung, Taiwan, China, October 2003.

  67. 67.K.N. Lau, T.A. Chen, Y. J. Liu, “Optimal multi-user space time scheduling for wireless communications”, Proceedings of Vehicular Technology Conference, pp 1939-1942, Oct 2002.

  68. 68.K.N. Lau, “The role of Transmit Diversity on Wireless Communications – Reverse Link Analysis with Partial Feedback”, MILCOM pp. 1268—1274, Oct, 2002.

  69. 69.K.N. Lau, Y. Liu, T. Chen, “Optimal Power Feedback for MIMO Space Time Multiuser systems”, Alerton Conference 2002, Ilinois, pp. 156—167, Sept 2002.

  70. 70.K.N. Lau, “Proportional Fair Space Time Scheduling for Wireless LAN with Partial Feedback”, IEEE GlobeCom, pp763—767, Nov 2002.

  71. 71.Y. Liu, K.N. Lau, “On the design of optimal multi-resolution coding”, International Symposium on Information Theory, pp.111, June 2002.

  72. 72.X. Lin, Y. Kwok, K.N. Lau, “BGCA: Bandwidth Guaranteed Channel Adaptive Routing for Ad Hoc Networks”, Proceedings of IEEE WCNC2002, pp. 433—439, Mar 2002.

  73. 73.Xiao-Hui Lin, Yu-Kwong Kwok, and K.N Lau, ``RICA: A Receiver-Initiated Approach for Channel-Adaptive On-Demand Routing in Ad Hoc Mobile Computing Networks,''Proceedings of the IEEE 22nd International Conference on Distributed Computing Systems (ICDCS'2002), pp. 84--91, Vienna, Austria, July 2002.

  74. 74.L. Wang, Y. Kwok, W.C. Lau, K.N. Lau, “On Channel Adaptive Fair Queueing in Wireless Networks: Issues and New Algorithms”, Proceedings of IEEE ICC 2002, pp 3116—3120, June 2002.

  75. 75.K.N. Lau and Ricky Kwok, “Design and evaluation of an optimization based approach to multiple burst admission control for cdma2000”, Proceedings of IEEE VTC2001, pp. 207--211, 2001.

  76. 76.Xufang Wang, K.N. Lau and T. S. Ng, "Image Transmission using Multiresolution Joint Source-Channel Coding with Feedback", International Conference on Telecommunications (ICT2001), pp. 188—192, June 2001.

  77. 77.Yu-Kwong Kwok; K.N. Lau, “Optimal admission control algorithms for scheduling burst data in CDMA multimedia systems”, Ninth International Conference on Network Protocols, pp. 202—210, Nov. 2001.

  78. 78.S.W. Lei and K.N. Lau, "Mode synchronization in adaptive coding and interleaving systems", Proceedings of IEEE Vehicular Technology Conference VTC2001, pp. 2470—2474, May 2001.  

  79. 79.K.N. Lau, Yu-Kwong Kwok, “On channel-adaptive multiple burst admission control for mobile computing based on wideband CDMA”, International Conference on Parallel Processing Workshops, pp. 435 – 440, Sept. 2001.

  80. 80.Xufang Wang, K.N. Lau and T. S. Ng, "Performance Analysis of Multiresolution Joint Source-Channel Coding for Mobile Radio Channels with feedback", International Conference on Personal Wireless Communications ICPWC2000), pp.157—161, Dec. 2000.

  81. 81.Xufang Wang, K.N. Lau and T. S. Ng, "On the Design of Multiresolution Joint Source-Channel Coding with Feedback for Wireless Communications", Asia Pacific conference on communications (APCC2000), pp. 1124—1128, Oct. 2000.

  82. 82.K.N. Lau, “Performance Analysis of Adaptive Bit-Interleaved Trellis Coded Modulation”, Proceedings of VTC2000 – Spring, Tokyo, pp. 2054—2058, May 2000.

  83. 83.S.W. Lei, K.N. Lau, T.S. Ng, “Adaptive Interleaving for OFDM Systems”, Proceedings of ICC2000, New Orleans, pp. 1130—1134, June 2000.

  84. 84.K.N. Lau, “On the design of Adaptive Bit-Interleaved TCM for fading channel with feedback”, Proceedings of ICC2000, New Orleans, pp 1188—1192, June 2000.

  85. 85.YK Kwok and VKN Lau, " Efficient and Robust Multiple Access Control for Wireless Multimedia Services," Proceedings of ACM Multimedia'2000, Los Angeles, California, USA, pp. 1150—1155, October 2000.

  86. 86.VKN Lau and YK Kwok, "A Channel-State-Dependent Bandwidth Allocation Scheme for Integrated Isochronous and Bursty Media Data in a Cellular Mobile Information System," Proceedings of the 2000 Military Communications International Symposium (MILCOM'2000), Los Angeles, California, USA, pp. 524—527, October 2000.

  87. 87.VKN Lau and YK Kwok, " Joint Design of Adaptive Channel Coding and Multiple Access Control for Integrated Voice and Data Services in a Cellular Wireless Network---With Contention Queue ," Proceedings of the 2000 Vehicular Technology Conference (VTC'2000 Fall), Boston, MA, USA, pp. 195—200, September 2000.

  88. 88.YK Kwok and VKN Lau, " A Quantitative Comparison of Multiple Access Control Protocols for Integrated Voice and Data Services in a Cellular Wireless Network ," Proceedings of the 11th International Symposium on Personal, Indoor and Mobile Radio Communication (PIMRC'2000), London, UK, pp.217—220, September 2000.

  89. 89.VKN Lau and YK Kwok, " CHARISMA: A Novel Channel-Adaptive TDMA-Based Multiple Access Control Protocol for Integrated Wireless Voice and Data Services ," Proceedings of the 2nd IEEE Wireless Communications and Networking Conference (WCNC), Chicago, Illinois, USA, pp. 507—511, September 2000.

  90. 90.YK Kwok and VKN Lau, " A Novel Channel-Adaptive Uplink Access Control Protocol for Nomadic Computing ," Proceedings of the 2000 International Conference on Parallel Processing (ICPP'2000), Toronto, Canada, pp. 565—572, August 2000.

  91. 91.YK Kwok and VKN Lau, " A Channel Adaptive Approach to Intelligent Multiple Access Control for Wireless Multimedia Services ," (invited paper), Proceedings of the 2000 Scuola Superiore Guglielmo Reiss Romoli (SSGRR) Computer and e-Business Conference L'Aquila, Italy, pp. 650—655, July 2000.

  92. 92.VKN Lau and YK Kwok, "On Channel Adaptive Multiple Access Control with Queued Transmission Requests for Wireless ATM," Proceedings of the IEEE ATM Workshop 2000, Heidelberg, Germany, pp.473—481, June 2000.

  93. 93.K.N. Lau and Y.K. Kwok, "On the synergy between Adaptive Channel Coding and Media Access Control". Proceedings of the IEEE VTC 1999, Amsterdam, pp. 1735—1739, Sept 1999.

  94. 94.K.N. Lau and M.D. Macleod, “Variable Rate Adaptive Trellis Coded QAM for High Bandwidth Efficiency Applications”. Proceedings of the Sixth IMA Conference on Cryptography and Coding, Cirencester, UK., Springer-Verlag, Dec,1997. Also in the proceedings of the IEEE VTC1998, Ottawa, pp. 348—352, May1998.

  95. 95.K.N. Lau and S.V. Maric, “Channel Capacity and Error Exponent of Variable Rate Adaptive Channel Coding for the Rayleigh Fading Channels”. Proceedings of the Sixth IMA Conference on Cryptography and Coding, Cirencester, UK., Springer-Verlag, pp. 85—88, Dec, 1997. 

  96. 96.K.N. Lau, Maric, S.V., “Variable rate adaptive channel coding for coherent and non-coherent Rayleigh fading channel”, Personal Wireless Communications, 1997 IEEE International Conference on , pp. 75—79,  Dec. 1997.

  97. 97.K.N. Lau and S.V. Maric , “Mobility of Queued Call Requests in New Call Queuing Techniques for Cellular Systems”. Proceedings of the 2nd International Conference on Personal Mobile and SS Communications (ICPMSC), Hong Kong, pp. 452—456, December 1996.

  98. 98.K.N. Lau and S.V. Maric, “Adaptive Coded M-ary Orthogonal Modulation”. Proceedings of the IEEE 4th Symposium on Communications and Vehicular Technology, Gent, Belgium, pp. 133—137, October 1996.

  99. 99.K.N. Lau and S.V. Maric, “Adaptive Noncoherent Coded M-ary Orthogonal Modulation for DS-CDMA”. Proceedings of the 2nd ICPMSC, Hong Kong, pp. 132—135, December 1996. Also in Bell-Labs - Wireless Research Lab Seminar home page at http://www.bell-labs.com/topic/seminars/hoh.wcof/tree/index.html.

  1. 1. Xiao-Hui Lin, Yu-Kwong Kwok, and K.N. Lau, "A Quantitative Comparison of Ad Hoc Routing Protocols with and without Channel Adaptation," IEEE Transactions on Mobile Computing, vol. 3, Issue. 4, Oct-Dec 2004.

  2. 2.  Li Wang, Yu-Kwong Kwok, Wing-Cheong Lau, and K.N. Lau, "Channel Adaptive Fair Queueing for Scheduling Integrated Voice and Data Services in Multicode CDMA Systems," Computer Communications, vol. 27, Issue 9, pp. 809-820, June 2004.

  3. 3.  K.N. Lau, Y. K. Kwok, “Performance Analysis of SIMO Space Time Scheduling Design with Convex Utility Functions – Zero Forcing Linear Processing”, IEEE Transactions on Vehicular Technologies, vol. 53, Issue 2, pp.453—465, Mar 2004.

  4. 4. K.N. Lau, “Analytical Framework for MIMO Uplink Space-Time Scheduling Design with Convex Utility Functions”, IEEE Transactions on Wireless Communications, vol. 3, Issue 5, pp.1832-1843, Sept 2004.

  5. 5. Li Wang, Yu-Kwong Kwok, Wing-Cheong Lau, and K.N. Lau, "Efficient Packet Scheduling Using Channel Adaptive Fair Queueing in Distributed Mobile Computing Systems," ACM/Kluwer Mobile Networks and Applications, vol. 9, Issue 4, pp. 297-309, August 2004.

  6. 6. Xiao-Hui Lin, Yu-Kwong Kwok, and K.N. Lau, "On Power Managed Multiple Access Control in an IEEE 802.11 Based Ad Hoc Wireless Network," Journal of Information Science and Engineering, vol. 20, Issue 3, pp.135—146, May 2004.

  7. 7. K.N. Lau, Ricky Kwok, “On Generalized Optimal Scheduling of High Data-Rate Bursts in CDMA Systems”, IEEE Transactions on Communications, vol. 51, Issue 2, pp 261 – 266, Feb 2003.

  8. 8. Li Wang, Yu-Kwong Kwok, Wing-Cheong Lau, and K. N. Lau, “On Channel Adaptive Fair Queueing in Wireless Networks” ACM Journal of Mobile Networking - Special Issues on Parallel Processing Issues on Mobile Computing, pp. 103—113, Jan 2003.

  9. 9. Xiao-Hui Lin, Yu-Kwong Kwok, and K.N Lau, ``A Genetic Algorithm Based Approach to Route Selection and Capacity Flow Assignment,'' Computer Communications, pp. 961-974, June 2003.

  10. 10. Y. K. Kwok, K. N. Lau, “A novel channel-adaptive uplink access control protocol for nomadic computing”, IEEE Transactions on Parallel and Distributed Systems, vol. 13, Issue 11, pp 1150—1165, Nov 2002.

  11. 11. K.N. Lau and Y.K. Kwok – “On the synergy of adaptive physical layer and multiple access protocol for integrated voice and data wireless network”, IEEE Transactions on Vehicular Technology, vol. 51, Issue 6, pp 1338-1550, Nov 2002.

  12. 12. K. N. Lau, Y.K. Kwok  – “A Quantitative Comparison of Multiple Access Control Protocols for Wireless ATM”, IEEE Transactions on Vehicular Technology, vol. 50, Issue 3, pp.795-815, Oct 2001.

  13. 13. K.N. Lau, Y.K. Kwok, "On Integrating Multiple Access Control and Adaptive Channel Coding for Cellular Wireless Voice and Data Service" Computer Communications, pp 1103—1112, Oct 2001.

  14. 14. Y.K. Kwok, K.N. Lau, “Performance evaluation of multiple access control schemes for wireless multimedia services” IEE Proceedings on Communications, vol. 148, Issue 2, pp. 86—94, April 2001.

  15. 15. K.N. Lau, Y.K. Kwok, “Multiple Access Control Protocol for integrated isochronous and bursty data services”, IEE Proceedings Communications, vol. 147, Issue 6, , pp.311-316,.Dec 2000

  16. 16. K.N. Lau and Y.K. Kwok, "Joint design of adaptive channel coding and cell scheduling for wireless ATM". IEE Electronics Letters, vol.36, Issue 6, pp. 549-551, March 2000.

IEEE Conference Papers

US Patents

1.Kin Nang Lau, System and method for multi-access MIMO channels with feedback capacity, US Pat. 7257167 - Filed Aug 19, 2003 - The University of Hong Kong (Granted)

2.Kin Nang Lau, Method of transmitting or receiving with constrained feedback information, US Pat. 7761059 - Filed May 28, 2003 - Alcatel-Lucent USA Inc. (Granted)

3.Kin Nang Lau, Youjian Liu, Martin H. Meyers, Susan Wu Sanders, Methods of controlling data rate in wireless communications systems, US Pat. 10355140 - Filed Jan 31, 2003. (granted)

4.Meixia Tao, Kin-Nang Lau, Location determination and location tracking in wireless networks, US Pat. 7359718 - Filed Apr 30, 2004 - Hong Kong Applied Science and Technology Research Institute Co., Ltd. (granted)

5.Kin Nang Lau, Parallel multiple measurement message handling for soft handoff in CDMA systems, US Pat. 10465215 - Filed Jun 19, 2003 (granted).

6.Sammy Ming Kit Chau, Soung C. Liew, Vincent Lau, System and method for controlling access to a wireless medium, US Pat. 7653034 - Filed Nov 9, 2004 - Hong Kong Applied Science and Technology Research Institute Co., Ltd..  (Granted).

7.Kin Nang Lau, Method of uplink scheduling for multiple antenna systems , US Pat. 10465468 - Filed Jun 19, 2003

8.Yu Kwong Kwok, Wai Yin Chu, Sai Weng Lei, Wen Cheng Chung, Chiu Wa Ng, Chun Yi Lee, Kin Nang Lau, System architecture and method for increasing the capacity and speed of Bluetooth Access Points, US Pat. 9825312 - Filed Apr 2, 2001.

9.Vincent Lau, Multi-antenna access point architecture and methods, US Pat. 10805378 - Filed Mar 22, 2004.

10.Cheong-Yui Wong, Vincent Lau, Soung C. Liew, Pui Bill Wong, Systems and methods for wireless network range extension, US Pat. 10833626 - Filed Apr 28, 2004 - Hong Kong Applied Science and Technology Research Institute Co., Ltd.

11.Meixia Tao, Cheong Yui Wong, Yan Wang, Kin Nang Lau, Ross D. Murch, Soung C. Liew, Douglas R. George, WLAN access point with extended coverage area, US Pat. 10903911 - Filed Jul 30, 2004 - Hong Kong Applied Science and Technology Research Institute Co., Ltd.

12.Sammy Ming Kit Chau, Soung C. Liew, Vincent Lau, Piu B. Wong, Intelligent wireless switch (IWS) and intelligent radio coverage (IRC) for Mobile Applications, US Pat. 10825089 - Filed Apr 15, 2004 - Hong Kong Applied Science and Technology Research Institute Co., Ltd.

13.Meixia Tao, Yan Wang, Vincent Lau, Soung C. Liew, Kent Chen, Busy tone for wireless networks, US Pat. 10778923 - Filed Feb 13, 2004 - Hong Kong Applied Science and Technology Research Institute Co., Ltd.

14.Yan Wang, Cheong Yui Wong, Jingyi He, Piu Bill Wong, J.D. Qu, Soung Chang Liew, Vincent Lau, Paul Ho, Gary Jiang, Systems and methods for efficient hand-off in wireless networks, US Pat. 11121317 - Filed May 3, 2005 - Hong Kong Applied Science and Technology Research Institute Co., Ltd.

15.Luo Tuo, Tsang Yui Ming, Roger Shu Kwan Cheng, Vincent Kin Nang Lau, ANTENNA CONFIGURATION SELECTION USING OUTDATED CHANNEL STATE INFORMATION, US Pat. 11609545 - Filed Dec 12, 2006 - Hong Kong Applied Science and Technology Research Institute Co., Ltd.

16.P. W. C. Chan, E. K. S. Au, T. Wu, R. R. Wang, V. K. N. Lau, R. S. Cheng, R. D. Murch, and W. H. Mow, "Method and system for sensing discontiguous channels in a wireless network," US Patent Application, No. 11/753,675, filed in May 2007.

17.Xueyuan Zhao, Chun Kit Lee, Zhengang Pan, Chih-Lin I, Kin Nang Lau, Roger Shu Kwan Cheng, ENHANCED CHANNEL SIMULATOR FOR EFFICIENT ANTENNA EVALUATION, US Pat. 12129896 - Filed May 30, 2008.

18.Edward Shunqing Zhang, Vincent Kin Nang Lau, RESOURCE ALLOCATION FOR OFDMA SYSTEMS WITH HALF-DUPLEX RELAY(S) AND CORRESPONDING TRANSMISSION PROTOCOL, US Pat. 12020781 - Filed Jan 28, 2008 - THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.

19.Tianyu Wu, Vincent Kin Nang Lau, ROBUST RATE, POWER AND PRECODER ADAPTATION FOR SLOW FADING MIMO CHANNELS, US Pat. 12042073 - Filed Mar 4, 2008 - THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

20.Vincent Kin Nang Lau, Bao San Ming Mok, COMBINED RATE AND PRECODER DESIGN FOR SLOW FADING CORRELATED MIMO CHANNELS, US Pat. 12039869 - Filed Feb 29, 2008 - The Hong Kong University of Science and Technology.

21.David Shui Wing Hui, Vincent Kin Nang Lau, DELAY-SENSITIVE CROSS LAYER SCHEDULER FOR MULTI-USER WIRELESS COMMUNICATION, US Pat. 12030412 - Filed Feb 13, 2008 - THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.

22.Rui WANG, Vincent Kin Nang LAU, Multi-user MIMO systems with Imperfect CSIT and ARQ, US Pat. 12038253 - Filed Feb 27, 2008 - THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.

23.Yui Ming Tsang, Chi Tin Luk, Wing Kwan Ng, Vincent Kin Nang Lau, Roger Shu Kwan Cheng, Chi Ying Tsui, ROBUST TIMING SYNCHRONIZATION FOR MB-OFDM FREQUENCY HOPPING SYSTEMS IN A SOP ENVIRONMENT, US Pat. 11926541 - Filed Oct 29, 2007 - The Hong Kong University of Science and Technology.

24.Henry Chun Cheung, Vincent Kin Nang Lau, Roger Shu Kwan Cheng, Wai Ho Mow, Ross David Murch, LOW COMPLEXITY AGC FOR MB-OFDM, US Pat. 12039898 - Filed Feb 29, 2008 - THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.

  1. 25.Tsui, Chi Ying, Murch, Ross David, Cheng, Roger Shu Kwan, Mow, Wai Ho, Lau, Vincent Kin Nang, PEER TO PEER SHARING OF FUNCTIONALITY OF MOBILE DEVICES, United States Patent Application 20080250408, Filed March 25, 2008.

  2. 26. Tsui, Chi Ying, Murch, Ross David, Cheng, Roger Shu Kwan, Mow, Wai Ho, Lau, Vincent Kin Nang, INTELLIGENT AGENT FOR DISTRIBUTED SERVICES FOR MOBILE DEVICES, United States Patent Application 20080249969, Filed March 19, 2008.

  3. 27. Tsui, Chi Ying, Murch, Ross David, Cheng, Roger Shu Kwan, Mow, Wai Ho, Lau, Vincent Kin Nang, BODY MOVEMENT BASED USAGE OF MOBILE DEVICES, United States Patent Application 20080246734, Filed March 20, 2008.

  4. 28. Tsui, Chi Ying, Murch, Ross David, Cheng, Roger Shu Kwan, Mow, Wai Ho, Lau, Vincent Kin Nang, COMPONENTIZATION OF MOBILE DEVICES, United States Patent Application 20080248750, Filed March 25, 2008.

Robust Communications with Imperfect Feedbacks

  1. 1.  X. Rao, L.Z. Ruan, V. LAU, “CSI Feedback Reduction for MIMO Interference Alignment”,  to appear in IEEE Transactions on Signal Processing, 2013, (arxiv: http://arxiv.org/pdf/1306.2015.pdf).

  2. 2. K.B. Huang, V.K.N.LAU, D.G. Kim, “Event-Driven Optimal Feedback Control for Multi-Antenna Beamforming”, IEEE Transactions on Signal Processing, pp. 4750--4760, 2010.

  3. 3. Chiu, E.; Lau, V.K.N.; Precoding Design for Multi-Antenna Multicast Broadcast Services With Limited Feedback, IEEE Systems Journal, Vol. 4, Issue 4, Apr, 2010.pp 550-560.

  4. 4. K.M. Ho, V.K.N.Lau, R. Cheng, “Closed Loop Cross Layer Design with No CSIT”, IEEE Transactions on Information Theory, vol. 55, Issue 10, pp. 4568—4584, 2009.

  5. 5. T.Y. Wu, V.K.N.Lau, S.Q.Zhang,” Design and Analysis of MIMO Joint Source Channel Coding (JSCC) with Limited Feedback”, IEEE Transactions on Wireless Communications, vol.8, Issue 6, pp. 2920—2926, 2009.

  6. 6.D. J. Love, R.W. Heath, V. K.N. Lau, D. Gesbert, B.D. Rao, M. Andrews “An overview of limited feedback in wireless communication system”, IEEE Journal on Selected Areas on Communications (JSAC), Oct 2008, pp.1341 - 1365. (Available Overview-Limited-Feedback-JSAC2008.pdf)

  7. 7. W. Dai, Y. Liu, V. K. N. Lau, and B. Rider, “On the information rate of MIMO systems with finite rate channel state feedback using power on/off strategy,” IEEE Transactions on Information Theory, vol. 59, Issue 11, pp. 5032—5047, 2009. Available: http://arxiv.org/abs/cs.IT/0603040 .

  8. 8.T.Y. Wu, V.K.N.Lau, “Robust Precoder Adaptation for MIMO Links with Noisy Limited Feedback”, IEEE Transactions on Information Theory, pp. 1640-1649, Apr, 2009.

  9. 9.V.K.N. Lau, “Asymptotic Analysis of SDMA Systems with Near-Orthogonal User Scheduling (NEOUS) under Imperfect CSIT”, IEEE Transactions on Communications, Vol 6, No. 1, Jan 2009. (full version Analysis-Mu-MISO_final-full.pdf)

  10. 10. V.K.N.Lau, Adaptive Resource Allocation for Multiuser MIMO Systems with Transmit Group MMSE, IEEE Transactions on Wireless Communications, pp 2362-2368, May 2009 (Full version TW-Feb-07-0219.pdf).

  11. 11. S.Q. Zhang, V.K.N. LAU, A novel unequal error protection (UEP) scheme using D-STTD for multicast service, IEEE Transactions on Wireless Communications, vol 8, Issue 2, Page(s):978 – 984, Feb. 2009.

  12. 12. T.Y. Wu, V.K.N.Lau, Robust Rate, Power and Precoder Adaptation for Slow Fading MIMO Channels with Noisy Limited Feedback, IEEE Transactions on Wireless Communications, vol. 7, issue 6, pp. 2360-2367, Jun. 2008.

  13. 13. V.K.N.Lau, W.Kwan, D.Hui, Asymptotic Tradeoff between Cross-Layer Goodput Gain and Outage Diversity in OFDMA Systems with Slow Fading and Delayed CSIT, IEEE Transactions on Wireless Communications, vol. 7, issue 7, pp.2732-2739, July 2008.

  14. 14. R. Wang, V.K.N. Lau, “Combined cross-layer design and HARQ for multiuser systems with outdated channel state information”, IEEE Transactions on Wireless Communications, vol. 7, issue 8, pp. 2771-2777, July 2008.

  15. 15. J. W. Huang, E. K.S. Au, V.K.N.Lau, “Precoder Design for Space-Time Coded MIMO Systems with Partial Channel State Information”, IEEE Transactions on Wireless Communications, Vol. 7, Issue 6, pp. 1977-1981, June 2008.

  16. 16. R.Wang, V.K.N.Lau, “Robust Optimal Cross Layer Designs for TDD-OFDMA Systems with Imperfect CSIT and Unknown Interference --- State-Space Approach based on 1-bit ACK/NAK Feedbacks,", IEEE Transactions on Communications, vol. 56, issue 5, pp. 754-761, May 2008.

  17. 17. J. Huang, E.K.S.Au, V.K.N.Lau, “Linear Precoding for MIMO channels with Outdated Channel State Information in Multiuser Space-Time Block Coded Systems with Multi-Packet Reception”, IEEE Transactions on Wireless Communications, Vol. 7, Issue 6, pp. 2300-2306, June 2008.

  18. 18. Lim, A.; Lau, V.K.N. On the Fundamental Tradeoff of Spatial Diversity and Spatial Multiplexing of MISO/SIMO Links with Imperfect CSIT, IEEE Transactions on Wireless Communications, Page(s):110 – 117, Jan. 2008.

  19. 19. Chan, P.W.C.; Lo, E.S.; Lau, V.K.N.; Cheng, R.S.; Letaief, K.B.; Murch, R.D.; Wai Ho Mow, Performance Comparison of Downlink Multiuser MIMO-OFDMA and MIMO-MC-CDMA with Transmit Side Information - Multi-Cell Analysis”, IEEE Transactions on Wireless Communications, Page(s):2193 – 2203, June 2007.

  20. 20. Lau, V.K.N.; Jiang, M.L, Rate Quantization and Cross-Layer Design of Multiple-Antenna Base Stations with Transmit MMSE and Imperfect CSIT, IEEE Transactions on Wireless Communications, Page(s):2952 - 2960 August 2007.

  21. 21. Lau, V.K.N.; Wu, T, Optimal Transmission and Limited Feedback Design for OFDM/MIMO Systems in Frequency Selective Block Fading Channels, IEEE Transactions on Wireless Communications, Page(s):1569 – 1573, May 2007.

  22. 22. Lau, V.; Tianyu Wu; On the encoding rate and discrete modulation adaptation design for MIMO links, IEEE Transactions on Wireless Communications, Page(s):50 – 54, Jan. 2007.

  23. 23. K.N. Lau, M. L. Jiang, “Cross layer design of uplink multi-antenna wireless systems with outdated CSI”, IEEE Transactions on Wireless Communications, Page(s):1250 – 1253, June 2006.

  24. 24. K. N. Lau, “Coverage-Optimized Downlink Cross Layer Scheduling for Wireless Systems with Multiple Antennas”, IEEE Transactions on Wireless Communications, Page(s):2734 – 2741, Oct. 2006.

  25. 25. K.N. Lau, “Spatial-multiplexing phase-sweep transmit diversity (SM-PSTD) for multiantenna base stations with mobile-assisted scheduling and incremental rate feedback”, IEEE Transactions on Vehicular Technology, Page(s):490 - 498. March 2006.

  26. 26. K.N. Lau, “Proportional Fair Space Time Scheduling for Wireless Systems”, IEEE Transactions on Communications, vol. 53, Issue 8, Page(s):1353 – 1360, Aug 2005.

  27. 27. K.N. Lau, “Optimal Downlink Space-Time Scheduling Design with Convex Utility Functions - Multiple Antenna Systems with Orthogonal Beamforming”, IEEE Transactions on Vehicular Technology, vol. 54, Issue 4, Page(s):1322 – 1333, July 2005.

  28. 28. K.N. Lau, Y. J. Liu, T.A. Chen, “Capacity of Memoryless Channels and Block-Fading Channels With Designable Cardinality-Constrained Channel State Feedback”, IEEE Transactions on Information Theory, vol.50, Issue.9, pp.2038-2049, Sept 2004.

  29. 29. K.N. Lau, “An Analytical Comparisons of Partial Power Feedback for MIMO systems”, IEEE Transactions on Communications, vol.52, Issue 5, pp 691—693, May 2004.

  30. 30.K.N. Lau, Y. J. Liu, T.A. Chen, “On the Design of MIMO Block Fading Channels with Feedback Link Capacity Constraint”,  IEEE Transactions on Communications, vol. 52, Issue 1, pp.62—70, Jan, 2004.

  31. 31. K. N. Lau, Y.J. Liu, T.A. Chen “Optimal Space Time Scheduling for Wireless System – Reverse link with partial feedback”, Bell Labs Technical Journal, pp. 155 – 167, Jan 2003.

  32. 32.K.N. Lau, Y. Liu, T.A. Chen, “Role of Transmit Diversity for Wireless Communications with partial feedback”, IEEE Transactions on Communications, vol. 50, Issue 12, pp2082—2090, Dec 2002.

  1. 1. A. Liu, V LAU, “Hierarchical Interference Mitigation for Large MIMO Cellular Networks”, revision IEEE Transactions on Signal Processing, 2013. (arxiv:  http://arxiv.org/pdf/1306.2700.pdf)

  2. 2. X. Rao, L.Z. Ruan, V. LAU, “CSI Feedback Reduction for MIMO Interference Alignment”,  to appear in IEEE Transactions on Signal Processing, 2013, (arxiv: http://arxiv.org/pdf/1306.2015.pdf).

  3. 3. A. Liu, V. LAU, L.Z. Ruan, J.T. Chen, D.K. Xiao, “Hierarchical Radio Resource Optimization for Heterogeneous Networks with Enhanced Inter-cell Interference Coordination (eICIC)”, revision IEEE Transactions on Signal Processing, 2013. (arxiv: http://arxiv.org/pdf/1305.5884.pdf).

  4. 4. X. Rao, L.Z. Ruan, V. LAU, “Limited feedback design for interference alignment on MIMO interference networks with heterogeneous path loss and spatial correlations”, to appear in IEEE Transactions on Signal Processing, 2013. (arxiv: http://arxiv.org/pdf/1302.5978.pdf).

  5. 5. L. Ruan, V. LAU, X. Rao, “Interference Alignment for Partially Connected MIMO Cellular Networks”, IEEE Transactions on Signal Processing, Vol. 60, No. 7, pp. 3692-3701, July 2012. (Arxiv: http://arxiv.org/pdf/1202.6091.pdf)

  6. 6. A. Liu, V. LAU, “Duality and Optimization for Generalized Multi-hop MIMO Amplify-and-Forward Relay Networks with Linear Constraints”, IEEE Transactions on Signal Processing, vol. 99, no. 1, pp. 1--11, Jan 2013. (arxiv: http://arxiv.org/pdf/1301.4729.pdf).

  7. 7. Sheng Liu; Jianjun Wu; Chung Ha Koh; Lau, V.K.N. “A 25 Gb/s(/km2) urban wireless network beyond IMT-advanced”, IEEE Communications Magazine, Vol. 49, Issue 2, Feb, 2011, pp.122- 129.

  8. 8.Huang Huang; Lau, V.K.N.; “Partial Interference Alignment for $K$-User MIMO Interference Channels”, IEEE Transactions on Signal Processing, Vol. 59, Issue 10, pp. 4900—4908, Oct 2011.

  9. 9.Huang Huang; Lau, V.K.N.; Yinggang Du; Sheng Liu “Robust Lattice Alignment for $K$-User MIMO Interference Channels With Imperfect Channel Knowledge, IEEE Transactions on Signal Processing, Vol. 59, Issue 7, pp. 3315—3325, July 2011.

  10. 10.Ruan, L.; Lau, V.K.N, “Dynamic Interference Mitigation for Generalized Partially Connected Quasi-Static MIMO Interference Channel”, IEEE Transactions on Signal Processing, Vol. 59, Issue 8, pp. 3788—3798, June 2011.

  11. 11.Hao Yu; Shunqing Zhang; Lau, V.K.N., “Game Theoretical Power Control for Open-Loop Overlaid Network MIMO Systems with Partial Cooperation”, IEEE Transactions on Wireless Communications, vol. 10, issue 1, Jan 2011, pp.135--141.

  12. 12. S. Cho, K.B. Huang, D. Kim, V. LAU, H. Chae, H.Seo, B. Kim, “Feedback-topology designs for interference alignment in MIMO interference channels”, IEEE Transactions on Signal Processing, vol. 60, No. 12, pp 6561-6575, Dec 2012. (arxiv: http://arxiv.org/pdf/1105.5476.pdf).

  13. 13.Hao Yu; Lau, V.K.N, “Rank-Constrained Schur-Convex Optimization With Multiple Trace/Log-Det Constraints”, IEEE Transactions on Signal Processing, Vol. 59, Issue 1, pp. 304—314, Jan 2011.

  14. 14.Chiu, E.; Lau, V.K.N.; Huang Huang; Tao Wu; Sheng Liu; “Robust Transceiver Design for K-Pairs Quasi-Static MIMO Interference Channels via Semi-Definite Relaxation”, IEEE Transactions on Wireless Communications, vol. 9, issue 12, Dec 2010, pp.3762--3769.

  15. 15.K.B. Huang, V.K.N.Lau, Y. Chen, “Spectrum Sharing between Cellular and Mobile Ad Hoc Networks: Transmission-Capacity Tradeoff”, IEEE Journals on Selected Areas of Communications (JSAC), Vol. 27, Issue 7, pp. 1256—1267, 2009.

  16. 16.Yong Cheng; Lau, V.K.N.; Long, Y.; “A Scalable Limited Feedback Design for Network MIMO Using Per-Cell Product Codebook”, IEEE Transactions on Wireless Communications, Vol. 9, Issue 10, Oct, 2010, pp. 3093-3099.

  17. 17. D.W.K. Ng, V.K.N.Lau, “Power Control and Performance Analysis of Outage-Limited Cellular Network with MUD-SIC and Macro-Diversity”, IEEE Transactions on Communications, Vol. 58, Issue 9, pp 2734—2740, Sept 2010.

  18. 18.V.K.N.Lau, W.Kwan, Per-User Packet Outage Analysis in Slow Multiaccess Fading Channels with Successive Interference Cancellation for Equal Rate Applications, IEEE Transactions on Wireless Communications, vol. 7, issue 5, pp. 1754—1763, May 2008.

  19. 19. K.N. Lau, “A Theoretical Framework of Macroscopic Optimization for Multicell Systems with Multiuser Detection”, IEEE Transactions on Vehicular Technology, vol. 53, Issue 6, pp.1769-1779, Nov 2004.

  20. 20. A. Liu, V.K.N. LAU, “Joint Power and Antenna Selection Optimization in Large Distributed MIMO Networks”, Technical Report (download Asym_Analysis_opt_LDAS_report.pdf).

  21. 21.A. Liu, V.K.N. LAU, Local Dual Method for Optimization of Parallel MIMO B-MAC Interference Networks under Multiple Linear Constraints”, Submitted to IEEE Transactions on Signal Processing, 2012. (download Asym_Analysis_opt_LDAS_report_v5.pdf)

Multicell Systems, Large MIMO Systems, Cloud Radio Access Networks, Interference Mitigation

Signal Processing, Frequency Offset Estimation, Adaptive Channel Coding and Modulation

  1. 1.  Jie Zhang; Lau, V.K.N,  Carrier Frequency Synchronization and Tracking for OFDM Systems with Receive Antenna Diversity, IEEE Transactions on Wireless Communications, Page(s):3277 – 3286, September 2007.

  2. 2.  Lingfan Weng; Au, E.K.S.; Chan, P.W.C.; Murch, R.D.; Cheng, R.S.; Wai Ho Mow; Lau, V.K.N, Effect of Carrier Frequency Offset on Channel Estimation for SISO/MIMO-OFDM Systems, IEEE Transactions on Wireless Communications, Page(s):1854 - 1863 May 2007.

  3. 3.  Li, T.; Mow, W.H.; Lau, V.K.N.; Siu, M.; Cheng, R.S.; Murch, R.D, Robust joint interference detection and decoding for OFDM-based cognitive radio systems with unknown interference, IEEE Journal of Selected Areas on Communications (JSAC) Page(s):566 – 575, April 2007.

  4. 4. Cheng Wang; Au, E.K.S.; Murch, R.D.; Wai Ho Mow; Cheng, R.S.; Lau, V, On the Performance of the MIMO Zero-Forcing Receiver in the Presence of Channel Estimation Error, IEEE Transactions on Wireless Communications, Page(s):805 – 810, March 2007.

  5. 5. Wu, Y.; Lau, V. K. N.; Patzold, M, Constellation Design for Trellis-Coded Unitary Space–Time Modulation Systems, IEEE Transactions on Communications, Page(s):1948 – 1959, Nov. 2006.

  6. 6. Y.J. Liu, K.N. Lau, T.A. Chen “Iterative Detection for BLAST Systems with Arbitrary number of antenna”, Bell Labs Technical Journal, pp. 25 – 40, Jan 2003.

  7. 7. S.W. Lei and K. N. Lau – “Performance Analysis of Adaptive Interleaving for OFDM Systems” IEEE Transactions on Vehicular Technology, vol. 51, Issue 3, pp 435—444, May 2002.

  8. 8. K.N. Lau – “Performance Analysis of Variable Rate, Symbol-by-Symbol Bit-interleaved Coded Modulation for Rayleigh Fading Channels” IEEE Transactions on Vehicular Technology, vol. 51, Issue 3, pp. 877—887, May 2002.

  9. 9. K.N. Lau, "Variable Rate Adaptive Channel Coding for High Bandwidth Expansion", Bell Labs Technical Journal, pp 38—52, Nov 2001.

  10. 10. K.N. Lau, M. Macleod, "Variable Rate Adaptive Trellis Coded QAM for Flat Fading Channels". IEEE Transactions on Communications, vol. 49, Issue 9, pp.1550—1560, Sept, 2001.

  11. 11. K.N. Lau “Peak-to-Average ratio (PAR) of Multi-carrier IS95 and CDMA2000 Systems”, IEEE Transactions on Vehicular Technology, vol. 49, Issue 6, pp2174—2188, Nov 2000.

  12. 12. K.N. Lau, "PAR Analysis of Single-carrier IS95 and CDMA2000". IEEE Communications Letters, pp160—162, Nov, 2000.

  13. 13. K.N. Lau, "Peak-to-average ratio (PAR) reduction by Walsh-code selection for single carrier IS95 and CDMA2000 systems". IEE Proceedings on Communications, Dec, 2000, vol. 147, Issue 6, pp361-364.

  14. 14. K.N. Lau, "Channel Capacity and Error Exponent of Variable Rate Adaptive Channel". IEEE Transactions on Communications, vol. 47, Issue 9, pp.1345-1356, Sept 1999.

  15. 15. K.N. Lau, S.V. Maric, "Adaptive M-ary Orthogonal Modulation for DS-CDMA", IEEE Transactions on Communications, vol. 47, Issue 4, pp 577-589, April 1999.

  16. 16. K.N. Lau, S.V. Maric, "Multi-Rate Fiber Optic CDMA System Design and Performance Analysis". IEEE Journal of Lightwave Technology, vol. 16, Issue 1, pp 9-17, Jan 1998.

  17. 17.

Cross Layer MAC Design for Adhoc Network

Invited Talks

  1. 1.V LAU, “Large MIMO Systems and Cloud RAN: Opportunities and Challenges”, Invited Talk at ICT Forum, Huawei Technologies, Nov 2011.

  2. 2.VKN LAU, “Cooperation and Coordination in Network MIMO Systems – Theory and Implementation Challenges”, Keynote Speech, IEEE International Microwave Workshop on Intelligent Radio for Future Personal Terminals, KAIST, Aug 2011.

  3. 3.VKN LAU, “The Myth and Reality of Interference Alignment and Network MIMO”, Invited Talk, International Workshop on Emerging Technologies for Next Generation Wireless Networks, Yonsei University, Aug 2011.

  4. 4.VKN LAU, “Overview of Delay-Aware Resource Control for Green Communications”, Invited Talk, International Workshop on Green Communications, Huawei Shanghai, May 2011

  5. 5.V. LAU, “Delay Optimal Relay Selection and Power Control for two-hop OFDM Cooperative Systems”, IEEE Wireless and Optical Communication Conference (WOCC) 2010 (slides Queue-Aware-Relay-OFDM-v1.0.pptx.

  6. 6.V. Lau, “Delay Optimal MIMO Precoder and Power Control for Multi-stream MIMO System”, Rhodes and Swartz Technical Seminar on LTE, 2009. (slides delay-optimal-MIMO-v1.0.pptx).

  7. 7. V. Lau, “Multi-Level Water-Filling Power Control for Delay-Optimal SDMA Systems”, Communication Theory Workshop, NapaValley 2009. (slides Multievel-Waterfilling-SDMA-v1.0.pdf).

  8. 8. V. Lau, “Delay Optimal Cross Layer Design for SDMA/OFDMA systems - Stochastic Decomposition and Stochastic Learning”, Stanford 2009 (slides Delay-Optimal-Cross-Layer-Design-v1.0.pdf).

  9. 9. V. Lau, “Delay Optimal Cross Layer Control for Wireless Systems - Approximate MDP and Distributive Online Stochastic Learning”, Lucent Shanghai Bell Labs, 2009 (slides Delay-Optimal-Cross-Layer-Design-v5.0.pdf)

  1. 1. J. Chen, V. LAU, “Convergence Analysis of Mixed Timescale Cross-Layer Stochastic Optimization”, submitted to IEEE Transactions on Information Theory, 2013. (Arxiv: http://arxiv.org/pdf/1305.0153.pdf).

  2. 2. J. Chen, V. LAU, “Delay Analysis of Max-Weight Queue Algorithm for Time-Varying Wireless Adhoc Networks – Control Theoretical Approach”, IEEE Transactions on Signal Processing, vol. 61, Issue 1, pp. 99 -108, Jan 2013. (Arxiv: http://arxiv.org/pdf/1209.5037.pdf).

  3. 3.J.T. Chen, V.K.N.Lau, “Convergence Analysis of Saddle Point Problems in Time Varying Wireless Systems - Control Theoretical Approach”, IEEE Transactions on Signal Processing, Feb 2012.

  4. 4. J.T. Chen, V.K.N.Lau, Y. Cheng, “ Distributive Network Utility Maximization Over Time-Varying Fading Channels”, IEEE Transactions on Signal Processing,  May 2011, pp. 2395 --2404

  5. 5.Yong Cheng; Lau, V.K.N. “Distributive Power Control Algorithm for Multicarrier Interference Network Over Time-Varying Fading Channels—Tracking Performance Analysis and Optimization”, IEEE Transactions on Signal Processing, Vol. 58, Issue 9, pp. 4750—4760, Sept, 2011.

  6. 6.Y.Cui, V.K.N.Lau, “Convergence-Optimal Quantizer Design of Distributed Contraction-Based Iterative Algorithms With Quantized Message Passing”, IEEE Transactions on Signal Processing, vol. 58, Issue 10, pp. 5196—5205, Oct 2010.

Tracking Analysis of Distributed Algorithms in Wireless Networks

Green Wireless and Energy Harvesting in Wireless Systems

  1. 1.KB. Huang, V. LAU, “Enabling wireless power transfer in cellular networks: architecture, modeling and deployment”, submitted to IEEE Transactions on Wireless Communications, 2012. (Arxiv: http://arxiv.org/pdf/1207.5640.pdf).

  2. 2.V. LAU, C. H. Koh, “Tradeoff Analysis of Delay-Power-CSIT Quality of Dynamic BackPressure Algorithm for Energy Efficient OFDM Systems”, IEEE Transactions on Signal Processing, Vol. 60, Issue 8, pp. 4254-4263, Aug 2012. (Arxiv: http://arxiv.org/pdf/1204.6482.pdf).

  3. 3.Y. Cui, V. LAU, Y. Wu, “Delay-Aware BS discontinuous transmission control and user scheduling for energy harvesting downlink coordinated MIMO Systems”, IEEE Transactions on Signal Processing, vol. 60, issue 7, pp. 3786—3795, July 2012. (Arxiv: http://arxiv.org/pdf/1204.0199.pdf).

  4. 4.H. Huang, V. Lau, “Decentralized delay optimal control for interference networks with limited renewable energy storage”, IEEE Transactions on Signal Processing, vol. 60, issue 5, pp. 2552-2561, May 2012. (Arxiv: http://arxiv.org/pdf/1202.2113.pdf).

  5. 5. Y. Wu, V. LAU, D. Tsang, L. Qian, “Energy-efficient delay-constrained transmission and sensing for cognitive radio systems”, IEEE Transactions on Vehicular Technologies, vol. 61, No. 7, pp 3100-3113, July 2012.

Mixed Timescale Radio Resource Optimization

  1. 1. J. Chen, V. LAU, “Convergence Analysis of Mixed Timescale Cross-Layer Stochastic Optimization”, submitted to IEEE Transactions on Information Theory, 2013. (Arxiv: http://arxiv.org/pdf/1305.0153.pdf).

  2. 2. A. Liu, V LAU, “Hierarchical Interference Mitigation for Large MIMO Cellular Networks”, revision IEEE Transactions on Signal Processing, 2013. (arxiv:  http://arxiv.org/pdf/1306.2700.pdf).

  3. 3. A. Liu, V. LAU, L.Z. Ruan, J.T. Chen, D.K. Xiao, “Hierarchical Radio Resource Optimization for Heterogeneous Networks with Enhanced Inter-cell Interference Coordination (eICIC)”, revision IEEE Transactions on Signal Processing, 2013. (arxiv: http://arxiv.org/pdf/1305.5884.pdf).

Please refer to google citation link here for an updated list