School of Electronic, Electrical and Systems Engineering

View all Professor Lambotharan’s publications in the central publications database

Selected Publications

Book Chapter

1)             *C.R. Johnson, Jr., P. Schniter, I. Fijalkow, L. Tong, J.D. Behm, M.G. Larimore, D.R. Brown, R.A. Casas, T.J. Endres, S. Lambotharan, H.H. Zeng, A. Touzni, M. Green, and J.R. Treichler, “The Core of FSE-CMA Behaviour Theory,” Unsupervised Adaptive Filtering, S. Haykin, ed. (Wiley, 1999).

 

Magazine

2)             *Molkdar, W. Featherstone and S. Lambotharan, “Enhanced General Packet Radio Service (EGPRS), an Overview” IEE Electronics and Communication Magazine, vol. 14(1), pp. 21–38, Feb 2002.

 

Journals published/accepted in 2011

3)             Y. Rahulamathavan, K. Cumanan and S. Lambotharan, “A Mixed SINR-Balancing and SINR-Target Constraints based Beamformer Design Technique for Spectrum Sharing Networks,” accepted for publication in IEEE Trans. Vehicular Technology, 2011.

4)             A.J.G. Anandkumar, A. Anandkumar, S. Lambotharan and J.A. Chambers, "Robust Rate-Maximization Game Under Bounded Channel Uncertainty," accepted for publication in IEEE Trans. Vehicular Technology, 2011.

5)             Y. Rahulamathavan , S. Lambotharan, C. Toker and A. Gershman, "A Recursive Optimization Framework for Adaptive Resource Allocation in Spectrum Sharing Networks," accepted for publication in IET Signal Processing,  2011.

6)             J. Tang and S. Lambotharan, “Beamforming and Temporal Power Optimization for an Overlay Cognitive Radio Relay Network,” IET Signal Processing, vol. 5, no. 6, pp. 582–588, 2011.

7)             Z. Xiong, R. Krishna, K. Cumanan and S. Lambotharan, “Grassmannian Beamforming and Null Space Broadcasting Protocols for Cognitive Radio Networks,” IET Signal Processing, vol. 5, no. 5, pp. 451-460, Sept. 2011.

8)             J. Tang, K. Cumanan and S. Lambotharan, “Sum Rate Maximization Technique for Spectrum Sharing MIMO OFDM Broadcast Channels,” IEEE Trans. Vehicular Technology, vol. 60, pp. 1960-64, May 2011.

9)             L. Musavian, S. Aïssa and S. Lambotharan, “Adaptive Modulation in Spectrum-Sharing Channels Under Delay Quality of Service Constraints,” IEEE Trans. Vehicular Technology, vol. 60, pp. 901-911, March 2011.

 

Journals published in 2010

10)         K. Cumanan, R. Krishna, L. Musavian and S. Lambotharan, “Joint Beamforming and User Maximization Techniques for Cognitive Radio Networks Based on Branch and Bound Method,” IEEE Trans. Wireless Communications, vol. 9, pp. 3082-92, Oct. 2010.

11)         L. Musavian, S. Aïssa and S. Lambotharan, “Effective Capacity for Interference and Delay Constrained Cognitive Radio Relay Channels”, IEEE Trans. Wireless Communications, vol. 9, pp. 1698-1707, May 2010.

12)         K. Cumanan, L. Musavian, S. Lambotharan and A. Gershman, “SINR Balancing Technique for Downlink Beamforming in Cognitive Radio Networks,” IEEE Signal Processing Letters, vol. 17,  pp. 133-136,  Feb. 2010.

13)         R. Krishna, K. Cumanan, Z. Xiong and S. Lambotharan, “A Novel Cooperative Relaying Strategy For Wireless Networks With Signal Quantization,” IEEE Trans. Vehicular Technology, Jan. 2010.

14)         K. Cumanan, R. Krishna, Z. Xiong and S. Lambotharan, “Multiuser Spatial Multiplexing Techniques with Constraints on Interference Temperature for Cognitive Radio Networks,” IET Signal Processing, vol.4, pp. 666-672, Dec. 2010.

 

Journals published in 2007-2008

15)         *R. Krishna, Z. Xiong and S. Lambotharan, “A Cooperative MMSE Relay Strategy for Wireless Sensor Networks,” IEEE Signal processing Letters, vol. 15, pp. 549-552, 2008.

16)         C. Toker, S. Lambotharan and J.A. Chambers, “Joint Transceiver Design for MIMO Channel Shortening,” IEEE Trans. Signal Processing, vol. 55, pp. 3851 – 3866, July 2007.

17)         Q. Yu and S. Lambotharan, “Iterative (Turbo) Estimation and Detection Techniques for Frequency Selective Channels with Multiple Frequency Offsets,” IEEE Signal Processing Letters, vol. 14, pp. 236 – 239, April 2007.

18)         Kobravi, M.R. Shikh Bahaei and S. Lambotharan, “Multi-User Interference Cancellation Technology in the Presence of Multiple Frequency Offsets,” IET Communications, vol. 1, pp. 7-14, Feb. 2007.

 

Journals published in 2005-2006

19)         Jakobsson, S. Alty and S. Lambotharan, “On the Implementation of Linearly Constrained Minimum Variance Beamformer,” IEEE Trans. Circuit and Systems, Part II, vol. 53, pp. 1059 – 1062, Oct. 2006.

20)         Y. Luo, W. Wang, J.A. Chambers, S. Lambotharan and I. Proudler, “Exploitation of Source Non-Stationarity in Underdetermined Blind Source Separation with Advanced Clustering Techniques,” IEEE Trans. Signal Processing, vol. 54, pp. 2198 – 2212, June 2006.

21)         S. Lambotharan, Y. Luo, C. Toker, S.R. Alty and M. Gani, “Blind Multiuser Detection of STBC Signals Using Hybrid Constant Modulus and Subspace Methods,” IEE Proceedings on Communications, vol. 153, pp.159-164, April 2006.

22)         S. Ahmed, M. Sellathurai, S. Lambotharan and J. A. Chambers, “Low Complexity Iterative Method of Equalization for SC-CP in Doubly Selective Channels,” IEEE Signal Processing Letters, vol. 13, pp.5-8, Jan. 2006.

23)         S. Lambotharan and C. Toker, “Closed-loop space time block coding techniques for OFDM based broadband wireless access systems,”  IEEE Trans. Consumer Electronics, vol. 51,  pp. 765-769, August 2005.

24)         S. Ahmed, S. Lambotharan, A. Jakobsson and J.A. Chambers, “Parameter Estimation Techniques for MIMO Frequency Selective Channels” IEE Proceedings on Communications, vol. 152, pp.  489 – 494, August 2005.

25)         Y. Luo and S. Lambotharan, "A New Tap Constrained Constant Modulus Algorithm for the Blind Equalization of Time Reversal Based STBCs through the Exploitation of Algebraic Properties," IEE Proceedings on Communications, vol. 152(3), pp. 295-301, June 2005.

26)         Ahmed, S., S. Lambotharan, A. Jakobsson and J. A. Chambers, Parameter Estimation and Equalization Techniques for Communication Channels with Multipath and Multiple Frequency Offsets,” IEEE Trans. Communications, Vol. 53(2), February 2005

27)         Toker, S. Lambotharan, J.A. Chambers and B. Baykal, “Joint Spatial and Temporal Channel Shortening Techniques for Frequency Selective Fading MIMO Channels” IEE Proceedings on Communications, vol. 152(1), pp. 89-94, February 2005.

 

Journals published prior to 2005

28)         *Toker, C., S. Lambotharan, and J.A. Chambers, “Closed-Loop Quasi-Orthogonal STBCs and Their Performance in Multipath Fading Environments and When Combined With Turbo Codes” IEEE Trans. Wireless Communications, Vol. 3(6), pp. 1890-1896, November 2004.

29)         Luo Y., J.A. Chambers, and S. Lambotharan, "Global convergence and mixing parameter selection in the cross correlation constant modulus algorithm for the multi-user environment," IEE Proceedings on Vision Image and Signal Processing, vol. 148, pp. 9-20, Feb 2001.

30)         D.J. Brooks, S. Lambotharan and J.A. Chambers, “Optimum Delay and Mean Square Error Using a Mixed Cross-Correlation and Constant Modulus Algorithm,” IEE Proceedings on Communications, vol. 147, pp. 18-22, Feb. 2000.

31)         S. Lambotharan, A.G. Constantinides and J.A. Chambers, “The Constant Modulus Receivers under Reduced Noise Amplification Objective,” IEE Proceedings on Communications, vol. 146, pp. 145-149, June 1999.

32)         S. Lambotharan and J.A. Chambers, “On the Surface Characteristics of a Mixed Constant Modulus and Cross-Correlation for the Blind Equalisation of a MIMO Channel,” Signal Processing, vol. 74(2), pp. 209-216, April 1999.

33)         S. Lambotharan, J.A. Chambers and A.G. Constantinides, “Adaptive Blind Retrieval Techniques for Multi-User DS-CDMA Signals,” IEE Electronics Letter, vol. 35(9), pp. 693-695, April. 1999.

34)         K. Skowratananont, S. Lambotharan, and J.A. Chambers, “Improved Convergence of Fractionally Spaced Constant Modulus Equalisers in the Presence of Noise,” IEE Electronics Letter, vol. 34(17), pp. 1644-1646, August 1998.

35)         K. Skowratananont, S. Lambotharan and J.A. Chambers, “A New Blind Decision Feedback Equalizer for multichannels with common zeros,” IEE Electronics Letter, vol. 34(9), pp. 845-846, April 1998.

36)         S. Lambotharan and J.A. Chambers, “New Blind Equalization structure for Deep Null Communication Channels,” IEEE Trans. Circuits and Systems: Part II, vol. 45(1), pp. 108-114, Jan. 1998.

37)         S. Lambotharan, J.A. Chambers and C.R. Johnson, Jr., “Attraction of Saddles and Slow Convergence in CMA Adaptation,” Signal Processing, vol. 59(2), pp. 335-340, June 1997.

 

Conferences – to be published in 2012

38)         Z. Zhu, S. Lambotharan, W.H. Chin and Z. Fan, “An Integer Linear Programming Based Optimization for Home Demand-side Management in Smart Grid,” IEEE PES Innovative Smart Grid Technologies Conference, Washington, D.C., January 2012.

 

Conferences published in 2011

39)         Z. Zhu, S. Lambotharan, W.H. Chin and Z. Fan, “An Integer Linear Programming and Game Theory Based Optimization for Demand-side Management in Smart Grid,” IEEE GLOBECOM – SG COMNET, Houston, Dec. 2011.

40)         G. Bournaka, K. Cumanan, S. Lambotharan and F. Lazarakis, “An iterative semidefinite and Geometric programming technique for the SINR balancing in two-way relay network,” IEEE GLOBECOM, Houston, Dec. 2011.

41)         Y. Rahulamathavan and S. Lambotharan, “A Rate Balancing Technique for MIMO-Cognitive Radio Network Under a Mixed QoS Requirement,” IEEE GLOBECOM, Houston, Dec. 2011.

42)         Y. Rahulamathavan, K. Cumanan and S. Lambotharan, “An SINR Balancing based Beamforming Technique for Cognitive Radio Networks with Mixed Quality of Service Requirements,” IEEE ICC, Kyoto 2011.

43)         K. Cumanan, J. Tang and S. Lambotharan, “Rate Balancing Based Linear Transceiver Design for Multiuser MIMO System with Multiple Linear Transmit Covariance Constraints,” IEEE ICC, Kyoto 2011.

44)         J. Tang and S. Lambotharan, “A Suboptimal User Maximization Algorithm for an OFDMA Based Cognitive Radio Network,” IEEE VTC, Budapest, May 2011.

 

Conferences published in 2010

45)         J.C. Hu, W. Wang, Z. Xiong and S. Lambotharan, “Optimization Techniques for Asynchronous Two-way Relaying Based Multiuser Multiplexing,” IEEE ICCS, Singapore, pp. 545 - 548, Nov. 2010.

46)         G. Bournaka, K. Cumanan, J.A. Chambers, S. Lambotharan and F. Lazarakis, “An SINR Balancing Based Multiuser Relaying Scheme,” IEEE ICCS, Singapore, pp. 274 – 278, Nov. 2010.

47)         A.J.G. Anandkumar, A. Anandkumar, S. Lambotharan and J.A. Chambers, “Efficiency of Rate-Maximization Game Under Bounded Channel Uncertainty,” Asilomar conf. on Sig., Sys., and Comp., Pacific Grove, USA, Nov. 2010.

48)         J. Tang, R. Yogachandran and S. Lambotharan, “Adaptive Bit Loading and Subcarrier Allocation Techniques for OFDM Based Cognitive Radio Systems,” IEEE ICCT, Nanjing, pp. 454-457, Nov. 2010.

49)         J.C. Hu, Z. Xiong, Y. Rahulamathavan, K. Cumanan and S. Lambotharan, “Optimization Techniques for Two-way Relaying Based Multiuser Multiplexing,” IEEE SPAWC 2010, Marrakech, June 2010.

50)         Y. Rahulamathavan, K. Cumanan and S. Lambotharan, “Optimal Resource Allocation Techniques for MIMO-OFDMA based Cognitive Radio Networks Using Integer Linear Programming,” IEEE SPAWC 2010, Marrakech, June 2010.

51)         Z. Xiong, K. Cumanan, Y. Rahulamathavan and S. Lambotharan, “A Robust SINR Balancing Technique for a Multiuser MIMO Cognitive Radio Network,” IEEE SPAWC 2010, Marrakech, June 2010.

52)         Z. Xiong, K. Cumanan and S. Lambotharan, “Robust SINR Balancing Technique for a Cognitive Radio Network Using Probability Based Interference Constraints,” IEEE DySPAN, Singapore, April 2010.

53)         A.J.G. Anandkumar, A. Anandkumar, S. Lambotharan and J.A. Chambers, “Robust Rate Maximization Game Under Bounded Channel Uncertainty,” IEEE ICASSP, Dallas, US, 2010.

 

Conferences published in 2009

54)         A.J.G. Anandkumar, S. Lambotharan and J.A. Chambers, “Application of distributed MIMO waterfilling algorithm for broadband channels and its performance in the presence of CSI errors,” First UK-India International Workshop on Cognitive Wireless Systems, UKIWCWS 2009, IIT Delhi, India, Dec. 2009.

55)         Y. Rahulamathavan, K. Cumanan, R. Krishna and S. Lambotharan, “Adaptive Subcarrier and Bit Allocation Techniques for MIMO-OFDMA based Cognitive Radio Networks,” First UK-India International Workshop on Cognitive Wireless Systems, UKIWCWS 2009, IIT Delhi, India, Dec. 2009.

56)         Z. Xiong, K. Cumanan and S. Lambotharan, “On the Benefits of Subspace Dimension Reduction for Grassmannian Multiuser Beamformers,” IEEE Statistical Signal Processing Workshop, Cardiff, pp. 658 - 661, Sept. 2009.

57)         A.J.G. Anandkumar, S. Lambotharan and J.A. Chambers, “A Game Theoretic Approach to Transmitter Covariance Matrix Design for Broadband MIMO Gaussian Interference Channels,” IEEE Statistical Signal Processing, Cardiff, UK Sept. 2009.

58)         K. Cumanan, R. Krishna and S. Lambotharan, “Fusion of Decisions Transmitted Over Multiple Observations Based Relay/Sensor Network,” IEEE Statistical Signal Processing Workshop, Cardiff, pp. 622 – 625, Sept. 2009.

59)         Y. Rahulamathavan, K. Cumanan, L. Musavian and S. Lambotharan, Optimal Subcarrier and Bit Allocation Techniques for Cognitive Radio Networks using Integer Linear Programming,” IEEE Statistical Signal Processing Workshop, Cardiff, pp. 293 – 296, Sept. 2009.

60)         M. Irfan, R. Krishna, Z. Xiong and S. Lambotharan, “Interference Mitigation Based Signal Forwarding Strategy for Wireless Relay Networks.,” EUSIPCO, Glasgow, UK, Aug. 2009,

61)         M. Davies, S. Lambotharan, J. Foster, J.A. Chambers and J. McWhirter, “Polynomial Matrix QR Decomposition and Iterative Decoding of Frequency Selective MIMO Channels,” IEEE WCNC, Budapest, April 2009.

62)         M. Davies, S. Lambotharan, J. Foster, J.A. Chambers and J. McWhirter, “A Polynomial QR Decomposition Based Turbo Equalization Technique for Frequency Selective MIMO Channels,” IEEE VTC Spring, Barcelona, April 2009.

63)         Z. Xiong, R. Krishna, S. Lambotharan and J.A. Chambers “Multiuser Orthogonal Space-Division Multiplexing with Iterative Water-Filling Algorithm,” IEEE VTC Spring, Barcelona, April 2009.

64)         K. Cumanan, R. Krishna, Z. Xiong and S. Lambotharan, “SINR Balancing Techniques and its Comparison to Semidefinite Programming Based QoS Provision for Cognitive Radios,” IEEE VTC Spring, Barcelona, April 2009.

65)         R. Krishna, K. Cumanan, Z. Xiong and S. Lambotharan, “A Semidefinite Programming Based Cooperative Relaying Strategy for Wireless Mesh Networks with Relay Signal Quantization,” IEEE VTC Spring, Barcelona, April 2009.

 

Conferences published in 2008

66)         R. Krishna, K. Cumanan, V. Sharma and S. Lambotharan, “A Robust Cooperative Relaying Strategy for Wireless Networks Using Semidefinite Constraints and Worst-case Performance Optimization,” International Symposium on Information Theory and its Applications (ISITA), Auckland, Dec. 2008.

67)         K. Cumanan, R. Krishna, V. Sharma and S. Lambotharan, “Robust Interference Control Techniques for Cognitive Radios Using Worst-Case Performance Optimization,” International Symposium on Information Theory and its Applications (ISITA), Auckland, Dec. 2008.

68)         K. Cumanan, R. Krishna, V. Sharma and S. Lambotharan, “Robust Interference Control Techniques for Multi_User Cognitive Radios Using Worst-Case Performance Optimization,” Asilomar conf. on Sig., Sys., and Comp., Pacific Grove, USA, Nov. 2008.

69)         Z. Xiong, S. Lambotharan and J.A. Chambers, “A GMD-Based Precoding Scheme for Downlink Multiuser Multistream MIMO Channels,” Asilomar conf. on Sig., Sys., and Comp., Pacific Grove, USA, Nov. 2008.

70)         V. Sharma and S. Lambotharan, “Robust Multiuser Downlink Beamforming with Per Antenna Power Constraints using Worst-Case Performance Optimization,” International Symposium on Communications and Information Technologies (ISCIT), Lao PDR, Oct. 2008.

71)         K. Cumanan, R. Krishna, V. Sharma and S. Lambotharan, “Robust Beamforming Based Interference Control Technique and its Performance for Cognitive Radios,” ISCIT, Lao PDR, Oct. 2008.

72)         M. Davies, S. Lambotharan, J.A. Chambers and J. McWhirter, “Broadband MIMO Beamforming for Frequency Selective Channels Using the Sequential Best Rotation Algorithm,” IEEE VTC Spring, Singapore, May 2008.

73)         M. Qaisrani and S. Lambotharan, ‘Estimation of Doubly Selective MIMO Channels Using Superimposed Training and Turbo Equalization,” IEEE VTC Spring, Singapore, May 2008.

74)         V. Sharma and S. Lambotharan, “Space-Time Channel Shortening Based Multiplexing Techniques Using Uplink-Downlink Duality,” IEEE VTC 2008 Spring, Singapore, May 2008.

75)         V. Sharma and S. Lambotharan, “Robust Transmit Multiuser Beamforming Using Worst Case Performance Optimization,” IEEE VTC 2008 Spring, Singapore, May 2008.

76)         V. Sharma, I. Wajid, H. Chen, A.B. Gershman and S. Lambotharan, “Robust Downlink Beamforming Using Positive Semi-definite Covariance Constraints,” International ITG Workshop on Smart Antennas - WSA 2008, Darmstadt, Feb. 2008.

 

Conferences published in 2007

77)         V. Sharma and S. Lambotharan, “Space-Time Channel Shortening Based Spatial Multiplexing Schemes for Multiusers with Multipath Channels,” Asilomar conf. on Sig., Sys., and Comp., Pacific Grove, USA, Nov. 2007. 

78)         L. Ong and S. Lambotharan, “On the rate and power allocation for MIMO based integrated voice and data transmission,” IEEE  VTC 2007 Fall, Baltimore, Oct. 2007.

79)         K. Cumanan, R. Krishna, Q. Yu and S. Lambotharan, “Maximum Likelihood Frequency Offset Estimation for Frequency Selective MIMO Channels: An Average Periodogram Interpretation and Interative Techniques,” EUSIPCO, Poznan, Sept. 2007.

80)         Q. Yu and S. Lambotharan, “An iterative Estimation and Detection Technique for OFDM Systems with Multiple Frequency Offsets (Doppler Shifts),” IEEE PIMRC, Athens, Sept. 2007.

81)         V. Sharma and S. Lambotharan, “Robust Impulse Response Shortening for Discrete Multi-tone Transceivers,” DSP 2007, Cardiff, UK, June 2007.

82)         M. Davies, S. Lambotharam and J. McWhirter, “Broadband MIMO Beamforming using Spatial-Temporal Filters and Polynomial Matrix Decomposition,” DSP 2007, Cardiff, UK, June 2007.

83)         Q. Yu and S. Lambotharan, 'Iterative (Turbo) Estimation and Detection Techniques for Frequency Selective Channels with Multiple Frequency Offsets in MIMO System,' in IEEE VTC, Dublin, Spring 2007.

84)         M. Qaisrani and S. Lambotharan, ‘An Iterative (Turbo) Channel Estimation and Symbol Detection Technique for Doubly Selective Channels,” in IEEE VTC, Dublin, Spring 2007.

85)         N.M. Eltayeb, S. Lambotharan and J.A. Chambers, “A Phase Feedback Based Extended Space Time Block Code For Enhancement of Diversity,” in IEEE VTC, Dublin, Spring 2007.

 

Conferences published in 2006

86)         L. Ong, S. Lambotharan,'Variable Rate and Variable Power MIMO System for Integerated Voice and Data Services,' IEEE ICCS, Singapore Nov.2006.

87)         V. Sharma and S. Lambotharan, “Robust Multiuser Beamformers and Their Performance in a Rayleigh Fading Environment,' IEEE ICCS, Singapore Nov.2006.

88)         Q. Yu and S. Lambotharan, 'Iterative Channel Estimation and Equalization Techniques for Multipath Channels with Multiple Frequency Offsets,' IEEE ICCS, Singapore Nov.2006.

89)         V. Sharma and S. Lambotharan, “Interference Suppression in Multiuser Downlink MIMO Channels Using an Iterative Optimization Approach,” in EUSIPCO, Florence, Sept. 2006.

90)         L. Ong, S. Lambotharan, J. A. Chambers andM. Shikh-Bahaei, “Performance of Bayesian Estimation based Variable Rate Variable Power MQAM System,” in IEEE PIMRC, Finland, Sept. 2006.

91)         V. Sharma and S. Lambotharan, “Multiuser Downlink MIMO Beamforming Using an Iterative Optimization Approach,” in IEEE VTC Fall, Montreal, Sept. 2006.

 

Conferences published in 2005

92)         Toker, S. Lambotharan and J.A. Chambers, “Channel Shortening for MIMO systems,” IEE DSP Enabled Radios, Southampton, Sept. 2005.

93)         C. Toker and S. Lambotharan, “On the performance Sensitivity of Orthogonalization of QO-STBC to Feedback Errors in an OFDM Environment,” COST289, Antalia, Turkey, July 2005.

94)         C. Toker, S. Lambotharan and J.A. Chambers, “Orthogonalization of Quasi-Orthogonal Space-Time Block Codes in Multipath and Multicarrier Modulation Environment,” EUSIPCO, Antalya, Sept 2005.

95)         A. Kobravi, M.R.S. Shikh-Bahaei and S. Lambotharan, “New SIC Scheme with Frequency Offset Estimation and Correction,” IEEE VTC Dallas, vol. 1, pp. 645 – 649, Sept. 2005.  

96)         S. Lambotharan and Y. Luo, “A Hybrid Antennae Selection and STBC Scheme for Multipath     Fading Channels,” IEEE VTC, vol.3, pp. 1668 – 1671, Stockholm, May 2005.

97)         C. Toker, S. Lambotharan and J.A. Chambers, “Joint Transmitter and Receiver Design for MIMO Channel Shortening,” IEEE ICASSP, vol. 4, pp. 909-912, Philadelphia, March 2005.

 

Conferences published in 2004

98)         S. Lambotharan, Y. Luo and C. Toker "Blind Multi-User Detection of Space-Time Block Coded Signals in a CDMA System," Signal Processing for Communications (SPCOM), pp. 275-279, Bangalore, Dec. 2004.

99)         C. Toker, S. Lambotharan, J. Chambers and B. Baykal, "Infinite Length Channel Shortening: A Polynomial Approach," EUSIPCO, Vienna, Aug. 2004.

100)     S. Ahmed, S. Lambotharan, A. Jakobsson and J.A. Chambers, "Parameter Estimation and Equalization Techniques For MIMO Frequency Selective Channels with Multiple Frequency Offsets," EUSIPCO, Vienna, Aug. 2004.

101)     Y. Luo and S. Lambotharan, "A new tap constrained constant modulus algorithm for blind equalization of time reversal space time block codes," IEEE SPAWC, pp. 273-277, Lisbon, July 2004.

102)     C. Toker, S. Lambotharan, J.A. Chambers and B. Baykal, "Channel Shortening Filter Design Based on Polynomial Method," IEEE VTC Spring, vol. 1, pp. 565-569, Milan, May 2004.

103)     Y. Luo, S. Lambotharan and J.A. Chambers, “A New Block Based Time-Frequency Approach For Underdetermined Blind Source Separation,” IEEE ICASSP, vol. 5, pp. 537-540, Montreal, May 2004.

 

Conferences published prior to 2004

104)     C. Toker, S. Lambotharan and J.A. Chambers, “Space Time Block Coding for Four Transmit Antennas with Closed Loop Feedback over Frequency Selective Fading Channel”, IEEE Information Theory Workshop, pp. 195-198, Paris, March/April 2003.

105)     S. Lambotharan, L. Lopes and E. Villier, “On the Interference Modelling Aspects of a UTRAN Forward Link,” IEE 3G Mobile Conference, May 2002, pp. 555-559.

106)     Villier, L. Lopes and S Lambotharan, “Approaches to Modelling the Physical Layer Performance in a UMTS Radio System Simulator,” IEE 3G Mobile Conference, pp. 560-564, London, May 2002.

107)     S. Lambotharan and L. Lopes, “Performance of Antenna Hopping Techniques for Packet Radio Transmission” IEE 3G Mobile Conference, pp. 525-528, London, May 2002.

108)     D. Molkdar and S. Lambotharan, “Impact of header error on EGPRS link level performance in IR mode,” IEE 3G Conference, pp. 114-118, London, March 2001.

109)     S. Lambotharan and J.A. Chambers, “A Cross-Uncorrelator-Initializer for the Super-Exponential Algorithms in Multi-User Environment,” Asilomar conf. on Sig., Sys., and Comp., Pacific Grove, 1999.

110)     S. Lambotharan, J.A. Chambers and A.G. Constantinides, “Leaky Constant Modulus Algorithms: Sensitivity of Local Minima,” IEEE ICASSP, vol. 5, pp. 2499-2501, Phoenix, March 1999.

111)     S. Lambotharan, J.A. Chambers and A.G. Constantinides, “A novel re-initialization technique for CMA in the presence of channel noise,” Asilomar conf. on Sig., Sys., and Comp., vol. 1, pp. 489-492, Pacific Grove, USA, Nov. 1998.  

112)     K. Skowratananont, S. Lambotharan and J.A. Chambers, “A new adaptive blind equalizer structure with robustness to loss of channel disparity,” Asilomar conf. on Sig., Sys., and Comp., vol.1, pp. 485-488, Pacific Grove, USA, Nov. 1998.

113)     S. Lambotharan, A.G. Constantinides and J.A. Chambers, “Channel Equalization Under Constant Modulus and Reduced Noise Amplification Objectives,” IEEE DSP Workshop, vol. 1, Bryce Canyon, Aug. 1998.

114)     W. Pora, S. Lambotharan, J.A. Chambers, and A.G. Constantinides, “A Constant Modulus Array for Real Signals,” EUSIPCO, vol. 4, pp. 2229-2232, Rhodes, Greece, 1998.

115)     D. Brooks, S. Lambotharan and J.A. Chambers, “Optimised delay and mean square error using CMA,” IEEE ICASSP, vol. 6, pp. 3361-3364, USA, May 1998.

116)     S. Lambotharan and J.A. Chambers, “Novel Blind Equalization structure for Deep Null Communication Channels,” IEEE ISCAS, pp. 1101-1104, Hong Kong, June, 1997.

117)     S. Lambotharan, J.A. Chambers and O. Tanrikulu, “Mixing and Switching the Norms of Adaptive Filtering Algorithms,” Int. Conf. on Digital Signal Processing, vol. 1, pp. 130-135, Cyprus, 1995.