Loughborough University
Leicestershire, UK
LE11 3TU
+44 (0)1509 263171
Loughborough University

Loughborough University Research Publications


Publications for Sangarapillai Lambotharan

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Journal Articles

Zhang, L, Lambotharan, S, Zheng, G, Liao, G, Demontis, A, Roli, F (2022) A hybrid training-time and run-time defense against adversarial attacks in modulation classification, IEEE Wireless Communications Letters, 11(6), pp.1161-1165, ISSN: 2162-2337. DOI: 10.1109/lwc.2022.3159659.

Abdullah, Z, Chen, G, Lambotharan, S, Chambers, J (2022) Low-complexity antenna selection and discrete phase-shifts design in IRS-assisted multiuser massive MIMO networks, IEEE Transactions on Vehicular Technology, 71(4), pp.3980-3994, ISSN: 0018-9545. DOI: 10.1109/TVT.2022.3147330.

Peng, T, Lambotharan, S, Zheng, G, Shikh-Bahaei, M (2022) Opportunistic fountain coding with coordinative routing, IEEE Wireless Communications Letters, 11(4), pp.851-855, ISSN: 2162-2337. DOI: 10.1109/LWC.2022.3147601.

Chen, T, Zhang, X, You, M, Zheng, G, Lambotharan, S (2021) A GNN based supervised learning framework for resource allocation in wireless IoT networks, IEEE Internet of Things Journal, 9(3), pp.1712-1724, DOI: 10.1109/JIOT.2021.3091551.

Zhang, L, Lambotharan, S, Zheng, G, AsSadhan, B, Roli, F (2021) Countermeasures against adversarial examples in radio signal classification, IEEE Wireless Communications Letters, 10(8), pp.1830-1834, ISSN: 2162-2337. DOI: 10.1109/LWC.2021.3083099.

Bsebsu, A, Zheng, G, Lambotharan, S (2021) Cooperative caching and coordinated beamforming technique for cognitive radio networks, IET SIGNAL PROCESSING, 15(7), pp.449-458, DOI: 10.1049/sil2.12043.

Awe, OP, Babatunde, DA, Lambotharan, S, AsSadhan, B (2021) Second order Kalman filtering channel estimation and machine learning methods for spectrum sensing in cognitive radio networks, Wireless Networks, 27, pp.3273-3286, ISSN: 1022-0038. DOI: 10.1007/s11276-021-02627-w.

Beechey, M, Kyriakopoulos, K, Lambotharan, S (2021) Evidential classification and feature selection for cyber-threat hunting, Knowledge-Based Systems, 226, 107120, ISSN: 0950-7051. DOI: 10.1016/j.knosys.2021.107120.

Diab, DM, AsSadhan, B, Binsalleeh, H, Lambotharan, S, Kyriakopoulos, K, Ghafir, I (2021) Denial of service detection using dynamic time warping, International Journal of Network Management, 31(6), e2159, ISSN: 1055-7148. DOI: 10.1002/nem.2159.

Al-Obiedollah, H, Cumanan, K, Bany-Salameh, H, Lambotharan, S, Rahulamathavan, Y, Ding, Z, Dobre, OA (2021) A joint beamforming and power-splitter optimization technique for SWIPT in MISO-NOMA system, IEEE Access, 9, pp.33018-33029, ISSN: 2169-3536. DOI: 10.1109/ACCESS.2021.3060836.

Hoang, T, Duong, T, Tuan, HD, Lambotharan, S, Hanzo, L (2021) Physical layer security: Detection of active eavesdropping attacks by support vector machines, IEEE Access, 9, pp.31595-31607, ISSN: 2169-3536. DOI: 10.1109/ACCESS.2021.3059648.

Liu, X, Derakhshani, M, Lambotharan, S (2021) Contextual learning for content caching with unknown time-varying popularity profiles via incremental clustering, IEEE Transactions on Communications, 69(5), pp.3011-3024, ISSN: 0090-6778. DOI: 10.1109/tcomm.2021.3059305.

Bsebsu, A, Zheng, G, Lambotharan, S (2021) Fast optimization of cache-enabled Cloud-RAN using determinantal point process, Physical Communication, 46, 101292, ISSN: 1874-4907. DOI: 10.1016/j.phycom.2021.101292.

Hassan, D, Redif, S, McWhirter, JG, Lambotharan, S (2021) Polynomial GSVD beamforming for two-user frequency-selective MIMO channels, IEEE Transactions on Signal Processing, 69, pp.948-959, ISSN: 1053-587X. DOI: 10.1109/TSP.2021.3052040.

Liu, X, Derakhshani, M, Lambotharan, S, Van der Schaar, M (2020) Risk-aware multi-armed bandits with refined upper confidence bounds, IEEE Signal Processing Letters, 28, pp.269-273, ISSN: 1070-9908. DOI: 10.1109/lsp.2020.3047725.

Zhang, W, Derakhshani, M, Lambotharan, S (2020) Stochastic optimization of URLLC-eMBB joint scheduling with queuing mechanism, IEEE Wireless Communications Letters, 10(4), pp.844-848, ISSN: 2162-2337. DOI: 10.1109/lwc.2020.3046628.

Abdullah, Z, Chen, G, Lambotharan, S, Chambers, JA (2020) Optimization of intelligent reflecting surface assisted full-duplex relay networks, IEEE Wireless Communications Letters, 10(2), pp.363-367, ISSN: 2162-2337. DOI: 10.1109/LWC.2020.3031343.

Khan, A, Zhang, X, Lambotharan, S, Zheng, G, AsSadhan, B, Hanzo, L (2020) Machine learning aided blockchain assisted framework for wireless networks, IEEE Network, 34(5), pp.262-268, ISSN: 0890-8044. DOI: 10.1109/MNET.011.1900643.

AsSadhan, B, Alzoghaiby, A, Binsalleeh, H, Kyriakopoulos, K, Lambotharan, S (2020) Network anomaly detection using a cross‐correlation‐based long‐range dependence analysis, International Journal of Network Management, 30(6), e2129, ISSN: 1055-7148. DOI: 10.1002/nem.2129.

Chadza, T, Kyriakopoulos, K, Lambotharan, S (2020) Learning to learn sequential network attacks using hidden Markov models, IEEE Access, 8, pp.134480-134497, DOI: 10.1109/ACCESS.2020.3011293.

Khan, A, Chen, G, Rahulamathavan, Y, Zheng, G, AsSadhan, B, Lambotharan, S (2020) Trusted UAV network coverage using blockchain, machine learning and auction mechanisms, IEEE Access, 8, pp.118219-118234, ISSN: 2169-3536. DOI: 10.1109/ACCESS.2020.3003894.

Abdullah, Z, Chen, G, Lambotharan, S, Chambers, JA (2020) A hybrid relay and intelligent reflecting surface network and its ergodic performance analysis, IEEE Wireless Communications Letters, 9(10), pp.1653-1657, ISSN: 2162-2337. DOI: 10.1109/LWC.2020.2999918.

Mohsenivatani, M, Liu, Y, Derakhshani, M, Parsaeefard, S, Lambotharan, S (2020) Completion-time-driven scheduling for uplink NOMA-enabled wireless networks, IEEE Communications Letters, 24(8), pp.1775-1779, ISSN: 1089-7798. DOI: 10.1109/lcomm.2020.2987639.

Chen, T, Khan, AS, Zheng, G, Lambotharan, S (2020) Blockchain secured auction-based user offloading in heterogeneous wireless networks, IEEE Wireless Communications Letters, 9(8), pp.1141-1145, ISSN: 2162-2337. DOI: 10.1109/LWC.2020.2982634.

Li, S, Derakhshani, M, Lambotharan, S, Hanzo, L (2020) Outage probability analysis for the multi-carrier NOMA downlink relying on statistical CSI, IEEE Transactions on Communications, 68(6), pp.3572-3587, ISSN: 0090-6778. DOI: 10.1109/tcomm.2020.2979849.

Chadza, T, Kyriakopoulos, K, Lambotharan, S (2020) Analysis of hidden Markov model learning algorithms for the detection and prediction of multi-stage network attacks, Future Generation Computer Systems, 108(July 2020), pp.636-649, ISSN: 0167-739X. DOI: 10.1016/j.future.2020.03.014.

Zhang, J, Xia, W, You, M, Zheng, G, Lambotharan, S, Wong, K-K (2020) Deep learning enabled optimization of downlink beamforming under per-antenna power constraints: algorithms and experimental demonstration, IEEE Transactions on Wireless Communications, 19(6), pp.3738-3752, ISSN: 1536-1276. DOI: 10.1109/TWC.2020.2977340.

Zheng, G, Bsebsu, A, Lambotharan, S, Cumanan, K, AsSadhan, B (2020) Joint beamforming and admission control for cache-enabled Cloud-RAN with limited fronthaul capacity, IET Signal Processing, 14(5), pp.278-287, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2019.0247.

Zhang, X, Zheng, G, Lambotharan, S, Nakhai, MR, Wong, K-K (2020) A reinforcement learning-based user-assisted caching strategy for dynamic content library in small cell networks, IEEE Transactions on Communications, 68(6), pp.3627-3639, ISSN: 0090-6778. DOI: 10.1109/TCOMM.2020.2977895.

Khan, A, Chatzigeorgiou, I, Zheng, G, Basutli, B, Chuma, JM, Lambotharan, S (2020) Random linear network coding based physical layer security for relay-aided device-to-device communication, IET Communications, 14(7), pp.1155-1161, ISSN: 1751-8628. DOI: 10.1049/iet-com.2019.0767.

Alavi, F, Cumanan, K, Fozooni, M, Ding, Z, Lambotharan, S, Dobre, OA (2019) Robust Energy-Efficient Design for MISO Non-Orthogonal Multiple Access Systems, IEEE Transactions on Communications, 67(11), pp.7937-7949, ISSN: 0090-6778. DOI: 10.1109/TCOMM.2019.2931972.

Zhang, X, Nakhai, MR, Zheng, G, Lambotharan, S, Ottersten, B (2019) Calibrated Learning for Online Distributed Power Allocation in Small-Cell Networks, IEEE Transactions on Communications, 67(11), pp.8124-8136, ISSN: 0090-6778. DOI: 10.1109/TCOMM.2019.2938514.

Liu, X, Derakhshani, M, Lambotharan, S (2019) Joint Transcoding Task Assignment and Association Control for Fog-assisted Crowdsourced Live Streaming, IEEE Communications Letters, 23(11), pp.2036-2040, ISSN: 1089-7798. DOI: 10.1109/lcomm.2019.2934095.

Ghafir, I, Kyriakopoulos, K, Lambotharan, S, Aparicio-Navarro, FJ, AsSadhan, B, BinSalleeh, H, Diab, DM (2019) Hidden Markov models and alert correlations for the prediction of advanced persistent threats, IEEE Access, 7, pp.99508-99520, DOI: 10.1109/ACCESS.2019.2930200.

Khan, A, Rahulamathavan, Y, Basutli, B, Zheng, G, AsSadhan, B, Lambotharan, S (2019) Blockchain-based distributive auction for relay-assisted secure communications, IEEE Access, 7, pp.95555-95568, DOI: 10.1109/ACCESS.2019.2929136.

Alkhawatrah, M, Gong, Y, Chen, G, Lambotharan, S, Chambers, J (2019) Buffer-aided relay selection for cooperative NOMA in the Internet of Things, IEEE Internet of Things Journal, 6(3), pp.5722-5731, DOI: 10.1109/jiot.2019.2905169.

Zhang, X, Nakhai, MR, Zheng, G, Lambotharan, S, Chambers, J (2019) Distributed foresighted energy management in smart-grid-powered cellular networks, IEEE Transactions on Vehicular Technology, 68(4), pp.4064-4068, ISSN: 0018-9545. DOI: 10.1109/TVT.2019.2899464.

Khan, AS, Chatzigeorgiou, I, Lambotharan, S, Zheng, G (2019) Network-Coded NOMA with Antenna Selection for the Support of two Heterogeneous Groups of Users, IEEE Transactions on Wireless Communications, pp.1-1, ISSN: 1536-1276. DOI: 10.1109/twc.2019.2891769.

Hassan, D, Redif, S, Lambotharan, S (2018) Polynomial Matrix Decompositions and Semi-Blind Channel Estimation for MIMO Frequency-Selective Channels, IET Signal Processing, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2018.5401.

Daniyan, A, Lambotharan, S, Deligiannis, A, Gong, Y, Chen, W-H (2018) Bayesian multiple extended target tracking using labelled random finite sets and splines, IEEE Transactions on Signal Processing, 66(22), pp.6076-6091, ISSN: 1053-587X. DOI: 10.1109/TSP.2018.2873537.

Mirza, J, Zheng, G, Wong, KK, Lambotharan, S, Hanzo, L (2018) On the Performance of Multiuser MIMO Systems Relying on Full-Duplex CSI Acquisition, IEEE Transactions on Communications, ISSN: 0090-6778. DOI: 10.1109/TCOMM.2018.2840694.

Deligiannis, A, Amin, M, Lambotharan, S, Fabrizio, G (2018) Optimum sparse subarray design for multitask receivers, IEEE Transactions on Aerospace and Electronic Systems, 55(2), pp.939-950, ISSN: 0018-9251. DOI: 10.1109/TAES.2018.2867258.

Wang, L, Wong, K-K, Lambotharan, S, Nallanathan, A, Elkashlan, M (2018) Edge caching in dense heterogeneous cellular networks with massive MIMO aided self-backhaul, IEEE Transactions on Wireless Communications, ISSN: 1536-1276. DOI: 10.1109/TWC.2018.2859936.

Zhu, Y, Zheng, G, Wong, KK, Jin, S, Lambotharan, S (2018) Performance Analysis of Cache-Enabled Millimeter Wave Small Cell Networks, IEEE Transactions on Vehicular Technology, ISSN: 0018-9545. DOI: 10.1109/TVT.2018.2797047.

Liu, Y, Derakhshani, M, Parsaeefard, S, Lambotharan, S, Wong, K-K (2018) Antenna allocation and pricing in virtualized massive MIMO networks via Stackelberg game, IEEE Transactions on Communications, ISSN: 0090-6778. DOI: 10.1109/TCOMM.2018.2846574.

Deligiannis, A, Daniyan, A, Lambotharan, S, Chambers, J (2018) Secrecy rate optimizations for MIMO communication radar, IEEE Transactions on Aerospace and Electronic Systems, ISSN: 0018-9251. DOI: 10.1109/TAES.2018.2820370.

Awe, OP, Deligiannis, A, Lambotharan, S (2018) Spatio-temporal spectrum sensing in cognitive radio networks using Beamformer-Aided SVM algorithms, IEEE Access, ISSN: 2169-3536. DOI: 10.1109/ACCESS.2018.2825603.

Ghafir, I, Kyriakopoulos, K, Aparicio-Navarro, FJ, Lambotharan, S, AsSadhan, B, BinSalleeh, H (2018) A basic probability assignment methodology for unsupervised wireless intrusion detection, IEEE Access, ISSN: 2169-3536. DOI: 10.1109/ACCESS.2018.2855078.

Basutli, B, Chuma, J, Lambotharan, S (2018) Network capacity enhancement in HetNets using incentivized offloading mechanism, IEEE Access, ISSN: 2169-3536. DOI: 10.1109/ACCESS.2018.2856479.

Deligiannis, A, Panoui, A, Lambotharan, S, Chambers, JA (2017) Game-Theoretic Power Allocation and the Nash Equilibrium Analysis for a Multistatic MIMO Radar Network, IEEE Transactions on Signal Processing, 65(24), pp.6397-6408, ISSN: 1053-587X. DOI: 10.1109/TSP.2017.2755591.

Rossetti, G and Lambotharan, S (2017) Robust waveform design for multistatic cognitive radars, IEEE Access, ISSN: 2169-3536. DOI: 10.1109/ACCESS.2017.2782878.

Liu, Y, Lambotharan, S, Derakhshani, M, Nallanathan, A, Wong, K-K (2017) Sensitivity and asymptotic analysis of inter-cell interference against pricing for multi-antenna base stations, IEEE Transactions on Wireless Communications, ISSN: 1536-1276. DOI: 10.1109/TCOMM.2017.2782340.

Liu, Y, Derakhshani, M, Lambotharan, S (2017) Outage analysis and power allocation in uplink non-orthogonal multiple access systems, IEEE Communications Letters, ISSN: 1089-7798. DOI: 10.1109/LCOMM.2017.2769088.

Basutli, B and Lambotharan, S (2017) Game-theoretic beamforming techniques for multiuser multi-cell networks under mixed QoS constraints, IET Signal Processing, 11(5), pp.631-639, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2016.0192.

Basutli, B and Lambotharan, S (2017) Auction based competition of hybrid small cells for dropped macrocell users, IET Signal Processing, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2016.0168.

Daniyan, A, Gong, Y, Lambotharan, S, Feng, P, Chambers, J (2017) Kalman-gain aided particle PHD filter for multi-target tracking, IEEE Transactions on Aerospace and Electronic Systems, ISSN: 1557-9603. DOI: 10.1109/TAES.2017.2690530.

Wu, Y, Deligiannis, A, Lambotharan, S (2017) Coalitional games for downlink multicell beamforming, IEEE Access, ISSN: 2169-3536. DOI: 10.1109/ACCESS.2017.2702058.

Deligiannis, A, Lambotharan, S, Chambers, J (2016) Game theoretic analysis for MIMO radars with multiple targets, IEEE Transactions on Aerospace and Electronic Systems, ISSN: 1557-9603. DOI: 10.1109/TAES.2016.150699.

Wang, L, Wong, KK, Elkashlan, M, Nallanathan, A, Lambotharan, S (2016) Secrecy and Energy Efficiency in Massive MIMO Aided Heterogeneous C-RAN: A New Look at Interference, IEEE Journal on Selected Topics in Signal Processing, 10(8), pp.1375-1389, ISSN: 1941-0484. DOI: 10.1109/JSTSP.2016.2600520.

Panoui, A, Lambotharan, S, Chambers, J (2016) Game theoretic distributed waveform design for multistatic radar networks, IEEE Transaction on Aerospace and Electronic Systems, 52(4), pp.1855-1865, ISSN: 0018-9251. DOI: 10.1109/TAES.2016.150378.

Zhu, Z, Lambotharan, S, Chin, WH, Fan, Z (2016) A mean field game theoretic approach to electric vehicles charging, IEEE Access, 4, pp.3501-3510, ISSN: 2169-3536. DOI: 10.1109/ACCESS.2016.2581989.

Zhu, Z, Lambotharan, S, Chin, WH, Fan, Z (2015) A game theoretic optimization framework for home demand management incorporating local energy resources, IEEE Transactions on Industrial Informatics, 11(2), pp.353-362, ISSN: 1551-3203. DOI: 10.1109/TII.2015.2390035.

Bournaka, G, Rahulamathavan, Y, Cumanan, K, Lambotharan, S, Lazarakis, F (2015) Base station beamforming technique using multiple signal-to-interference plus noise ratio balancing criteria, IET SIGNAL PROCESSING, 9(3), pp.248-259, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2013.0497.

Bournaka, G, Cumanan, K, Lambotharan, S, Lazarakis, F (2013) Transmitter-receiver and relay optimisation for spectrum sharing multiple-input and multiple-output peer-to-peer users, IET SIGNAL PROCESSING, 7(5), pp.411-419, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2012.0275.

Bournaka, G, Tang, J, Lambotharan, S, Lazarakis, F (2013) A coordinated multiuser relaying technique through interference precoding at the base station, IEEE Communications Letters, 17(6), pp.1176-1179, ISSN: 1089-7798. DOI: 10.1109/LCOMM.2013.042313.130410.

Tang, J, Lambotharan, S, Pomeroy, S (2013) Interference cancellation and alignment techniques for multiple-input and multiple-output cognitive relay networks, IET SIGNAL PROCESSING, 7(3), pp.188-200, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2012.0350.

Cumanan, K, Rahulamathavan, Y, Lambotharan, S (2013) Minimum mean-square error transceiver optimisation for downlink multiuser multiple-input-multiple-output network with multiple linear transmit covariance constraints, IET SIGNAL PROCESSING, 7(1), pp.47-58, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2011.0364.

Fan, Z, Kulkarni, P, Gormus, S, Efthymiou, C, Kalogridis, G, Sooriyabandara, M, Zhu, Z, Lambotharan, S, Chin, WH (2013) Smart grid communications: Overview of research challenges, solutions, and standardization activities, IEEE Communications Surveys and Tutorials, 15(1), pp.21-38, DOI: 10.1109/SURV.2011.122211.00021.

Tang, J and Lambotharan, S (2013) Interference alignment techniques for MIMO multi-cell interfering broadcast channels, IEEE Transactions on Communications, 61(1), pp.164-175, ISSN: 0090-6778. DOI: 10.1109/TCOMM.2012.100912.110644.

Cumanan, K, Rahulamathavan, Y, Lambotharan, S, Ding, Z (2013) MMSE-based beamforming techniques for relay broadcast channels, IEEE Transactions on Vehicular Technology, 62(8), pp.4045-4051, ISSN: 0018-9545. DOI: 10.1109/TVT.2013.2257906.

Foster, J, McWhirter, J, Lambotharan, S, Proudler, I, Davies, M, Chambers, J (2012) Polynomial matrix QR decomposition for the decoding of frequency selective multiple-input multiple-output communication channels, IET Signal Processing, 6(7), pp.704-712, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2011.0086.

Zhu, Z, Lambotharan, S, Chin, WH, Fan, Z (2012) OVERVIEW OF DEMAND MANAGEMENT IN SMART GRID AND ENABLING WIRELESS COMMUNICATION TECHNOLOGIES, IEEE WIRELESS COMMUNICATIONS, 19(3), pp.48-56, ISSN: 1536-1284. DOI: 10.1109/MWC.2012.6231159.

Cumanan, K, Zhang, R, Lambotharan, S (2012) A new design paradigm for MIMO cognitive radio with primary user rate constraint, IEEE Communications Letters, 16(5), pp.706-709, ISSN: 1089-7798. DOI: 10.1109/LCOMM.2012.030912.120319.

Rahulamathavan, Y, Lambotharan, S, Toker, C, Gershman, AB (2012) Suboptimal recursive optimisation framework for adaptive resource allocation in spectrum-sharing networks, IET Signal Processing, 6(1), pp.27-33, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2011.0005.

Rahulamathavan, Y, Cumanan, K, Lambotharan, S (2011) A mixed SINR-balancing and SINR-target-constraints-based beamformer design technique for spectrum-sharing networks, IEEE Transactions on Vehicular Technology, 60(9), pp.4403-4414, ISSN: 0018-9545. DOI: 10.1109/TVT.2011.2171200.

Tang, J and Lambotharan, S (2011) Beamforming and temporal power optimisation for an overlay cognitive radio relay network, IET SIGNAL PROCESSING, 5(6), pp.582-588, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2010.0169.

Xiong, Z, Krishna, R, Cumanan, K, Lambotharan, S (2011) Grassmannian beamforming and null space broadcasting protocols for cognitive radio networks, IET SIGNAL PROCESSING, 5(5), pp.451-460, ISSN: 1751-9675. DOI: 10.1049/iet-spr.2010.0011.

Tang, J, Cumanan, K, Lambotharan, S (2011) Sum-Rate Maximization Technique for Spectrum-Sharing MIMO OFDM Broadcast Channels, IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 60(4), pp.1960-1964, ISSN: 0018-9545. DOI: 10.1109/TVT.2011.2123927.

Musavian, L, Aissa, S, Lambotharan, S (2011) Adaptive Modulation in Spectrum-Sharing Channels Under Delay Quality-of-Service Constraints, IEEE Transactions on Vehicular Technology, 60(3), pp.901-911.

Cumanan, K, Krishna, R, Xiong, Z, Lambotharan, S (2010) Multiuser spatial multiplexing techniques with constraints on interference temperature for cognitive radio networks, IET Signal Processing, 4(6), pp.666-672.

Wang, W, Ma, Y, Hu, J, Lambotharan, S (2010) Carrier Ambiguity Resolution Algorithm under Multipath Condition, INFORMATION-AN INTERNATIONAL INTERDISCIPLINARY JOURNAL, 13(6), pp.2113-2123, ISSN: 1343-4500.

Cumanan, K, Krishna, R, Musavian, L, Lambotharan, S (2010) Joint Beamforming and User Maximization Techniques for Cognitive Radio Networks Based on Branch and Bound Method, IEEE Tansactions on Wireless Communications, 9(`10), pp.3082-3092.

Musavian, L, Aissa, S, Lambotharan, S (2010) Effective capacity for interference and delay constrained cognitive radio relay channels, IEEE Transactions on Wireless Communications, 9(5), pp.1698-1707.

Cumanan, K, Musavian, L, Lambotharan, S, Gershman, AB (2010) SINR Balancing Technique for Downlink Beamforming in Cognitive Radio Networks, IEEE Signal Processing Letters, 17(2), pp.133-136.

Cumanan, K, Krishna, R, Xiong, Z, Lambotharan, S (2010) A Novel Cooperative Relaying Strategy for Wireless Networks With Signal Quantization, IEEE Transactions on Vehicular Technology, 59(1), pp.3082-3092.

Krishna, R, Xiong, Z, Lambotharan, S (2008) A Cooperative MMSE Relay Strategy for Wireless Sensor Networks, IEEE Signal Processing Letters, pp.549-552.

Toker, C, Lambotharan, S, Chambers, J (2007) Joint Transceiver Design for MIMO Channel Shortening, IEEE Transactions on Signal Processing, 55(7), pp.3851-3866, ISSN: 1053-587X. DOI: 10.1109/TSP.2007.894231.

Yu, Q and Lambotharan, S (2007) Iterative (Turbo) Estimation and Detection Techniques for Frequency-Selective Channels With Multiple Frequency Offsets, IEEE Signal Processing Letters, 14(4), pp.236-239, ISSN: 1070-9908. DOI: 10.1109/lsp.2006.890542.

Kobravi, A, Shikh-Bahaei, MR, Lambotharan, S (2007) Multi-user interference cancellation technology in the presence of multiple frequency offsets, IET Communications, 1(1), pp.7-7, ISSN: 1751-8628. DOI: 10.1049/iet-com:20050171.

Jakobsson, A, Alty, SR, Lambotharan, S (2006) On the Implementation of the Linearly Constrained Minimum Variance Beamformer, IEEE Transactions on Circuits and Systems II: Express Briefs, 53(10), pp.1059-1062, ISSN: 1057-7130. DOI: 10.1109/tcsii.2006.882228.

Luo, Y, Wang, W, Chambers, J, Lambotharan, S, Proudler, I (2006) Exploitation of Source Nonstationarity in Underdetermined Blind Source Separation With Advanced Clustering Techniques, IEEE Transactions on Signal Processing, 54(6), pp.2198-2212, ISSN: 1053-587X. DOI: 10.1109/TSP.2006.873367.

Ahmed, S, Sellathurai, M, Lambotharan, S, Chambers, J (2006) Low-Complexity Iterative Method of Equalization for Single Carrier With Cyclic Prefix in Doubly Selective Channels, IEEE Signal Processing Letters, 13(1), pp.5-8, ISSN: 1070-9908.

Ahmed, S, Sellathurai, M, Lambotharan, S, Chambers, JA (2006) Low-complexity iterative method of equalization for single carrier with cyclic prefix in doubly selective channels, IEEE Signal Processing Letters, 13(1), pp.5-8, ISSN: 1070-9908. DOI: 10.1109/LSP.2005.860552.

Lambotharan, S, Luo, Y, Toker, C, Alty, SR, Gani, M (2006) Blind multiuser detection of STBC signals using hybrid constant modulus and subspace methods, IEE Proceedings - Communications, 153(2), pp.159-159, ISSN: 1350-2425. DOI: 10.1049/ip-com:20050320.

Ahmed, S, Lambotharan, S, Jakobsson, A, Chambers, J (2005) MIMO frequency-selective channels with multiple frequency offsets: estimation and detection techniques, IEEE Proceedings - Communications, 152(4), pp.489-494, ISSN: 1350-2425.

Lambotharan, S and Toker, C (2005) Closed-loop space time block coding techniques for OFDM based broadband wireless access systems, IEEE Transactions on Consumer Electronics, 51(3), pp.765-769, ISSN: 0098-3063. DOI: 10.1109/tce.2005.1510481.

Ahmed, S, Lambotharan, S, Jakobsson, A, Chambers, J (2005) Parameter Estimation and Equalization Techniques for Communication Channels with Multipath and Multiple Frequency Offsets, IEEE Transactions on Communications, 53(2), pp.2198-2212, DOI: 10.1109/TCOMM.2004.841970.

Toker, C, Lambotharan, S, Chambers, J, Baykal, B (2005) Joint Spatial and Temporal Channel-shortening Techniques for Frequency Selective Fading MIMO Channels, IEEE Proceedings - Communication, 152(1), pp.89-94, ISSN: 1350-2425.

Ahmed, S, Lambotharan, S, Jakobsson, A, Chambers, JA (2005) MIMO frequency-selective channels with multiple-frequency offsets: estimation and detection techniques, IEE Proceedings - Communications, 152(4), pp.489-489, ISSN: 1350-2425. DOI: 10.1049/ip-com:20045224.

Toker, C, Lambotharan, S, Chambers, JA, Baykal, B (2005) Joint spatial and temporal channel-shortening techniques for frequency selective fading MIMO channels, IEE Proceedings - Communications, 152(1), pp.89-89, ISSN: 1350-2425. DOI: 10.1049/ip-com:20040965.

Luo, Y and Lambotharan, S (2005) Tap-constrained constant modulus algorithm for the blind equalisation of time-reversal-based STBCs through the exploitation of algebraic properties, IEE Proceedings - Communications, 152(3), pp.295-295, ISSN: 1350-2425. DOI: 10.1049/ip-com:20045048.

Toker, C, Lambotharan, S, Chambers, J (2004) Closed-Loop Quasi-Orthogonal STBCs and their Performance in Multipath Fading Environments and When Combined with Turbo Codes, IEEE Transactions on Wireless Communications, 3(6), pp.1890-1896, DOI: 10.1109/TWC.2004.837401.

Toker, C, Lambotharan, S, Chambers, JA (2004) Closed-loop quasi-orthogonal STBCs and their performance in multipath fading environments and when combined with turbo codes, IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 3(6), pp.1890-1896, ISSN: 1536-1276. DOI: 10.1109/TWC.2004.837401.

Molkdar, D, Larnbotharan, S, Featherstone, W (2002) An overview of EGPRS: the packet data component of EDGE, Electronics & Communication Engineering Journal, 14(1), pp.21-38, ISSN: 0954-0695. DOI: 10.1049/ecej:20020103.

Luo, Y, Chambers, J, Lambotharan, S (2001) Global Convergence and Mixing Parameter Selection in the Cross-correlation Constant Modulus Algorithm for the Multi-user Environment, IEE Proceedings - Vis Image Signal Process, 148(1), pp.9-20, ISSN: 1350-245X.

Luo, Y, Chambers, JA, Lambotharan, S (2001) Global convergence and mixing parameter selection in the cross-correlation constant modulus algorithm for the multi-user environment, IEE Proceedings - Vision, Image, and Signal Processing, 148(1), pp.9-9, ISSN: 1350-245X. DOI: 10.1049/ip-vis:20010138.

Brooks, DJ, Lambotharan, S, Chambers, JA (2000) Optimum delay and mean square error using a mixed crosscorrelation and constant modulus algorithm, IEE Proceedings - Communications, 147(1), pp.18-18, ISSN: 1350-2425. DOI: 10.1049/ip-com:20000231.

Lambotharan, S, Chambers, JA, Constantinides, AG (1999) Adaptive blind retrieval techniques for multiuser DS-CDMA signals (vol 35, pg 693, 1999), ELECTRONICS LETTERS, 35(13), pp.1119-1119, ISSN: 0013-5194.

Lambotharan, S and Chambers, J (1999) On the surface characteristics of a mixed constant modulus and cross-correlation criterion for the blind equalization of a MIMO channel, Signal Processing, 74(2), pp.209-216, ISSN: 0165-1684. DOI: 10.1016/s0165-1684(98)00212-6.

Lambotharan, S, Chambers, JA, Constantinides, AG (1999) Adaptive blind retrieval techniques for multiuser DS-CDMA signals, Electronics Letters, 35(9), pp.693-693, ISSN: 0013-5194. DOI: 10.1049/el:19990510.

Lambotharan, S, Constantinides, AG, Chambers, JA (1999) Constant modulus receivers under reduced noise amplification objective, IEE Proceedings - Communications, 146(3), pp.145-145, ISSN: 1350-2425. DOI: 10.1049/ip-com:19990354.

Lambotharan, S and Chambers, JA (1998) A new blind equalization structure for deep-null communication channels, IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, 45(1), pp.108-114, ISSN: 1057-7130. DOI: 10.1109/82.659461.

Skowratananont, K, Lambotharan, S, Chambers, JA (1998) Blind decision feedback equaliser for multichannels with common zeros, Electronics Letters, 34(9), pp.845-845, ISSN: 0013-5194. DOI: 10.1049/el:19980615.

Skowratananont, K, Lambotharan, S, Chambers, JA (1998) Improved convergence of fractionally-spaced constant modulus equalisers in presence of noise, Electronics Letters, 34(17), pp.1644-1644, ISSN: 0013-5194. DOI: 10.1049/el:19981157.

Lambotharan, S, Chambers, J, Johnson, CR (1997) Attraction of saddles and slow convergence in CMA adaptation, Signal Processing, 59(3), pp.335-340, ISSN: 0165-1684. DOI: 10.1016/s0165-1684(97)00103-5.



Conferences

Aristodemou, M, Lambotharan, S, Zheng, G, Aristodemou, L (2022) Investigation of Deep Learning architectures and features for Adversarial Machine Learning Attacks in Modulation Classifications. In 2022 IEEE 14th Image, Video, and Multidimensional Signal Processing Workshop (IVMSP); 2022 IEEE 14th Image, Video, and Multidimensional Signal Processing Workshop (IVMSP), Nafplio, Greece,ISBN: 9781665478229. DOI: 10.1109/ivmsp54334.2022.9816267.

Zhang, W, Derakhshani, M, Khosravirad, SR, Lambotharan, S (2022) Bayesian optimization of blocklength for URLLC under channel distribution uncertainty. In 2022 IEEE 95th Vehicular Technology Conference (VTC2022-Spring); 2022 IEEE 95th Vehicular Technology Conference (VTC2022-Spring), Helsinki, Finland.

Zhang, W, Derakhshani, M, Lambotharan, S (2021) Non-parametric statistical learning for URLLC transmission rate control. In IEEE International Conference on Communications; ICC 2021 - IEEE International Conference on Communications, Montreal, QC, Canada (Virtual),ISBN: 9781728171227. DOI: 10.1109/ICC42927.2021.9500926.

Liu, X, Derakhshani, M, Zhu, Z, Lambotharan, S (2021) Globally informative thompson sampling for structured bandit problems with application to crowdtranscoding. In 3rd International Conference on Artificial Intelligence in Information and Communication (ICAIIC); 3rd International Conference on Artificial Intelligence in Information and Communication (ICAIIC), Korea/Virtual, pp.210-215, ISBN: 9781728176383. DOI: 10.1109/ICAIIC51459.2021.9415255.

Chen, T, You, M, Zheng, G, Lambotharan, S (2021) Graph Neural Network based Beamforming in D2D Wireless Networks. In , WSA 2021 - 25th International ITG Workshop on Smart Antennas, pp.274-278, ISBN: 9783800756889.

Zhang, X, Zheng, G, Lambotharan, S (2020) Trajectory Design for UAV-Assisted Emergency Communications: A Transfer Learning Approach. In , 2020 IEEE Global Communications Conference, GLOBECOM 2020 - Proceedings,ISBN: 9781728182988. DOI: 10.1109/GLOBECOM42002.2020.9348212.

Alzammam, A, Binsalleeh, H, AsSdhan, B, Kyriakopoulos, K, Lambotharan, S (2020) Comparative analysis on imbalanced multi-class classification for malware samples using CNN. In International Conference on Advances in the Emerging Computing Technologies (AECT), AlMadinah AlMunnawarah, KSA, pp.35-40, ISBN: 9781728144528. DOI: 10.1109/AECT47998.2020.9194155.

Li, S, Derakhshani, M, Chen, CS, Lambotharan, S (2020) Outage probability analysis for two-antennas MISO-NOMA downlink with statistical CSI. In IEEE Globecom 2019; 2019 IEEE Global Communications Conference (GLOBECOM), Waikoloa, Hawaii, United States,ISBN: 9781728109626. DOI: 10.1109/GLOBECOM38437.2019.9014301.

Chadza, T, Kyriakopoulos, K, Lambotharan, S (2020) Contemporary sequential network attacks prediction using hidden Markov model. In 17th International Conference on Privacy, Security, and Trust (PST 2019), Fredericton, NB, Canada,ISBN: 9781728132655. DOI: 10.1109/PST47121.2019.8949035.

Zhang, M, Cumanan, K, Wang, W, Burr, AG, Ding, Z, Lambotharan, S, Dobre, OA, IEEE, (2020) Energy Efficiency Optimization for Secure Transmission in a MIMO-NOMA System. In , 2020 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC).

Zhang, X, Zheng, G, Lambotharan, S, Nakhai, MR, Wong, KK (2019) A learning approach to edge caching with dynamic content library in wireless networks. In , 2019 IEEE Global Communications Conference, GLOBECOM 2019 - Proceedings,ISBN: 9781728109626. DOI: 10.1109/GLOBECOM38437.2019.9013584.

Zhang, Y, Yang, Q, Lambotharan, S, Kyriakopoulos, K, Ghafir, I, Assadhan, B (2019) Anomaly-Based Network Intrusion Detection Using SVM. In 11th International Conference on Wireless Communications and Signal Processing (WCSP), 2019 11th International Conference on Wireless Communications and Signal Processing, WCSP 2019, Xi'an,ISBN: 9781728135557. DOI: 10.1109/WCSP.2019.8927907.

Escudero-Andreu, G, Kyriakopoulos, K, Flint, J, Lambotharan, S (2019) Detecting signalling DoS attacks on LTE networks. In Duong, TQ, Vo, N-S, Nguyen, LK, Vien, Q-T, Nguyen, V-D (ed) International Conference on Industrial Networks and Intelligent Systems (INISCOM); 5th EAI International Conference on Industrial Networks and Intelligent Systems (INISCOM 2019), Ho Chi Minh, Vietnam, pp.283-301, ISBN: 9783030301484. DOI: 10.1007/978-3-030-30149-1_23.

Diab, DM, Assadhan, B, Binsalleeh, H, Lambotharan, S, Kyriakopoulos, KG, Ghafir, I (2019) Anomaly detection using dynamic time warping. In IEEE CSE, Proceedings - 22nd IEEE International Conference on Computational Science and Engineering and 17th IEEE International Conference on Embedded and Ubiquitous Computing, CSE/EUC 2019, New York, pp.193-198, ISBN: 9781728116631. DOI: 10.1109/CSE/EUC.2019.00045.

Hoang, TM, Duong, TQ, Lambotharan, S (2019) Secure Wireless Communication Using Support Vector Machines. In , 2019 IEEE Conference on Communications and Network Security, CNS 2019,ISBN: 9781538671177. DOI: 10.1109/CNS.2019.8802716.

Zhang, X, Nakhai, MR, Zheng, G, Lambotharan, S, Ottersten, B (2019) A Calibrated Learning Approach to Distributed Power Allocation in Small Cell Networks. In , ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp.8419-8423, ISBN: 9781479981311. DOI: 10.1109/ICASSP.2019.8683599.

Aparicio-Navarro, FJ, Chadza, T, Kyriakopoulos, K, Ghafir, I, Lambotharan, S, AsSadhan, B (2019) Addressing multi-stage attacks using expert knowledge and contextual information. In 22nd Conference on Innovation in Clouds, Internet and Networks (ICIN 2019), Paris,ISBN: 9781538683361. DOI: 10.1109/ICIN.2019.8685841.

Hassan, D, Redif, S, Lambotharan, S, Proudler, IK (2018) Sequential polynomial QR decomposition and decoding of frequency selective MIMO channels. In , European Signal Processing Conference, pp.460-464, ISBN: 9789082797015. DOI: 10.23919/EUSIPCO.2018.8553289.

Deligiannis, A, Amin, M, Fabrizio, G, Lambotharan, S (2018) Optimum configurations of sparse subarray beamformers. In , ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp.3369-3373, ISBN: 9781538646588. DOI: 10.1109/ICASSP.2018.8462605.

Deligiannis, A, Amin, M, Fabrizio, G, Lambotharan, S (2018) Sparse subarray design for multitask receivers. In , 2018 IEEE Radar Conference, RadarConf 2018, pp.742-747, ISBN: 9781538641675. DOI: 10.1109/RADAR.2018.8378652.

Li, S, Derakhshani, M, Lambotharan, S (2018) Outage-constrained robust power allocation for downlink MC-NOMA with imperfect SIC. In IEEE International Conference on Communications, Kansas City, MO, USA. DOI: 10.1109/ICC.2018.8422364.

Kyriakopoulos, K, Aparicio-Navarro, FJ, Ghafir, I, Lambotharan, S, Chambers, J (2018) Multi-stage attack detection using contextual information. In IEEE MILCOM, Los Angeles,ISBN: 9781538671856. DOI: 10.1109/MILCOM.2018.8599708.

Deligiannis, A and Lambotharan, S (2017) A Bayesian game theoretic framework for resource allocation in multistatic radar networks. In , 2017 IEEE Radar Conference, RadarConf 2017, pp.0546-0551, ISBN: 9781467388238. DOI: 10.1109/RADAR.2017.7944263.

Elsabae, R, Basutli, B, Gong, Y, Lambotharan, S (2017) Downlink beamforming design with simultaneous energy and secure information transmission. In , IEEE Wireless Communications and Networking Conference, WCNC,ISBN: 9781509041831. DOI: 10.1109/WCNC.2017.7925701.

Daniyan, A, Aldowesh, A, Gong, Y, Lambotharan, S (2017) Data association using game theory for multi-target tracking in passive bistatic radar. In 2017 IEEE Radar Conference, RadarConf 2017, pp.0042-0046, ISBN: 9781467388238. DOI: 10.1109/RADAR.2017.7944168.

Liu, Y, Derakhshani, M, Lambotharan, S (2017) Dual connectivity in backhaul-limited massive-MIMO HetNets: User association and power allocation. In IEEE Global Communications Conference (IEEE GLOBECOM), Singapore,ISBN: 9781509050192. DOI: 10.1109/GLOCOM.2017.8254644.

Ghanem, K, Aparicio-Navarro, FJ, Kyriakopoulos, K, Lambotharan, S, Chambers, J (2017) Support vector machine for network intrusion and cyber-attack detection. In Sensor Signal Processing for Defence, London,ISBN: 9781538616635. DOI: 10.1109/SSPD.2017.8233268.

Daniyan, A, Gong, Y, Lambotharan, S (2017) An improved resampling approach for particle filters in tracking. In ,ISBN: 9781538618950. DOI: 10.1109/icdsp.2017.8096095.

Rossetti, G and Lambotharan, S (2016) Coordinated waveform design and receiver filter optimization for cognitive radar networks. In , Proceedings of the IEEE Sensor Array and Multichannel Signal Processing Workshop,ISBN: 9781509021031. DOI: 10.1109/SAM.2016.7569623.

Rossetti, G, Deligiannis, A, Lambotharan, S (2016) Waveform design and receiver filter optimization for multistatic cognitive radar. In 2016 IEEE Radar Conference (RadarConf16), 2016 IEEE Radar Conference (RadarConf). DOI: 10.1109/radar.2016.7485121.

Deligiannis, A, Rossetti, G, Panoui, A, Lambotharan, S, Chambers, JA (2016) Power allocation game between a radar network and multiple jammers. In 2016 IEEE Radar Conference (RadarConf16), 2016 IEEE Radar Conference (RadarConf). DOI: 10.1109/radar.2016.7485077.

Rossetti, G and Lambotharan, S (2016) Waveform optimization techniques for bi-static Cognitive Radars. In 2016 IEEE 12th International Colloquium on Signal Processing & Its Applications (CSPA), 2016 IEEE 12th International Colloquium on Signal Processing & Its Applications (CSPA). DOI: 10.1109/cspa.2016.7515815.

Liu, Y, Lambotharan, S, Nallanathan, A, Wong, K-K (2016) Pricing based interference control in reversed time division duplex heterogeneous networks. In 2016 IEEE International Conference on Communications, ICC 2016,, ISBN: 9781479966646. DOI: 10.1109/ICC.2016.7510740.

Daniyan, A, Gong, Y, Lambotharan, S (2016) Game theoretic data association for multi-target tracking with varying number of targets. In 2016 IEEE RADAR CONFERENCE (RADARCONF), pp.808-811, ISBN: 9781509008636. DOI: 10.1109/RADAR.2016.7485219.

Elsabae, RGM, Basutli, B, Ghanem, K, Gong, Y, Lambotharan, S (2016) Coordinated multicell beamforming with local and global data rate constraints. In , Budapest, Hungary, pp.1388-1392, ISBN: 9780992862657. DOI: 10.1109/EUSIPCO.2016.7760476.

Awe, OP and Lambotharan, S (2015) Cooperative spectrum sensing in cognitive radio networks using multi-class support vector machine algorithms. In 2015 9th International Conference on Signal Processing and Communication Systems (ICSPCS). DOI: 10.1109/icspcs.2015.7391780.

Deng, Y, Wang, L, Wong, K-K, Nallanathan, A, Elkashlan, M, Lambotharan, S (2015) Safeguarding massive MIMO aided hetnets using physical layer security. In 2015 International Conference on Wireless Communications & Signal Processing (WCSP), 2015 International Conference on Wireless Communications & Signal Processing (WCSP). DOI: 10.1109/wcsp.2015.7341120.

Basutli, B and Lambotharan, S (2015) Extending the bargain region using beamforming design under mixed QoS constraints. In 2015 IEEE International Conference on Digital Signal Processing (DSP). DOI: 10.1109/icdsp.2015.7251925.

Wu, Y and Lambotharan, S (2015) An interference constraint and SINR balancing based coordinated multicell beamforming. In 2015 IEEE International Conference on Digital Signal Processing (DSP). DOI: 10.1109/icdsp.2015.7252063.

Hu, J and Lambotharan, S (2015) A cooperative MMSE strategy for two-way relaying based multiuser multiplexing. In 2015 IEEE International Conference on Digital Signal Processing (DSP). DOI: 10.1109/icdsp.2015.7251928.

Basutli, B and Lambotharan, S (2015) Distributed beamformer design under mixed SINR balancing and SINR-target-constraints. In 2015 IEEE International Conference on Digital Signal Processing (DSP). DOI: 10.1109/icdsp.2015.7251929.

Panoui, A, Lambotharan, S, Chambers, JA (2015) Waveform allocation for a MIMO radar network using potential games. In 2015 IEEE International Radar Conference (RadarCon), 2015 IEEE Radar Conference (RadarCon). DOI: 10.1109/radar.2015.7131096.

Deligiannis, A, Lambotharan, S, Chambers, JA (2015) Beamforming for fully-overlapped two-dimensional Phased-MIMO radar. In 2015 IEEE International Radar Conference (RadarCon), 2015 IEEE Radar Conference (RadarCon). DOI: 10.1109/radar.2015.7131068.

Awe, OP, Naqvi, SM, Lambotharan, S (2015) Kalman filter enhanced parametric classifiers for spectrum sensing under flat fading channels. In , Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST, pp.235-247, ISBN: 9783319245393. DOI: 10.1007/978-3-319-24540-9_19.

Awe, OP, Naqvi, SM, Lambotharan, S (2014) Variational Bayesian learning technique for spectrum sensing in cognitive radio networks. In 2014 IEEE Global Conference on Signal and Information Processing (GlobalSIP). DOI: 10.1109/globalsip.2014.7032309.

Panoui, A, Lambotharan, S, Chambers, JA (2014) Game theoretic power allocation for a multistatic radar network in the presence of estimation error. In 2014 Sensor Signal Processing for Defence (SSPD). DOI: 10.1109/sspd.2014.6943316.

Deligiannis, A, Chambers, JA, Lambotharan, S (2014) Transmit beamforming design for two-dimensional phased-MIMO radar with fully-overlapped subarrays. In 2014 Sensor Signal Processing for Defence (SSPD). DOI: 10.1109/sspd.2014.6943318.

Panoui, A, Lambotharan, S, Chambers, JA (2014) Game theoretic power allocation technique for a MIMO radar network. In 2014 6th International Symposium on Communications, Control and Signal Processing (ISCCSP). DOI: 10.1109/isccsp.2014.6877924.

Sherif, H, Zhu, Z, Lambotharan, S (2014) An optimization framework for home demand side management incorporating electric vehicles. In 2014 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA). DOI: 10.1109/isgt-asia.2014.6873764.

Zhu, Z, Lambotharan, S, Chin, WH, Fan, Z (2014) A stochastic optimization approach to aggregated electric vehicles charging in smart grids. In 2014 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA). DOI: 10.1109/isgt-asia.2014.6873763.

Wu, Y, Bournaka, G, Lambotharan, S (2014) Coordinated beamforming with mixed SINR-balancing and SINR-target-constraints for multicell wireless networks. In 2014 IEEE Wireless Communications and Networking Conference (WCNC). DOI: 10.1109/wcnc.2014.6952209.

Panoui, A, Lambotharan, S, Phan, RCW (2013) Vickrey-Clarke-Groves for privacy-preserving collaborative classification. In , 2013 Federated Conference on Computer Science and Information Systems, FedCSIS 2013, pp.123-128, ISBN: 9781467344715.

Weiss, S, Alrmah, M, Lambotharan, S, McWhirter, JG, Kaveh, M (2013) Broadband angle of arrival estimation methods in a polynomial matrix decomposition framework. In , 2013 5th IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2013, pp.109-112, ISBN: 9781467331463. DOI: 10.1109/CAMSAP.2013.6714019.

Wu, Y and Lambotharan, S (2013) A coordinated multicell beamforming technique with multiple interference constraints. In , IET Conference Publications,ISBN: 9781849197748. DOI: 10.1049/cp.2013.2054.

Anandkumar, AJG, Anandkumar, A, Lambotharan, S, Chambers, J (2013) Robust noncooperative rate-maximization game for MIMO Gaussian interference channels under bounded channel uncertainty. In , ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp.4819-4823, ISBN: 9781479903566. DOI: 10.1109/ICASSP.2013.6638576.

Cumanan, K, Rahulamathavan, Y, Lambotharan, S, Ding, Z (2013) A mixed quality of service based linear transceiver design for a multiuser MIMO network with linear transmit covariance constraints. In , IEEE Wireless Communications and Networking Conference, WCNC, pp.3895-3899, ISBN: 9781467359399. DOI: 10.1109/WCNC.2013.6555197.

Alrmah, MA, Weiss, S, Redif, S, Lambotharan, S, McWhirter, JG (2013) Angle of arrival estimation for broadband signals: A comparison. In , IET Conference Publications,ISBN: 9781849197748. DOI: 10.1049/cp.2013.2066.

Awe, OP, Zhu, Z, Lambotharan, S (2013) Eigenvalue and support vector machine techniques for spectrum sensing in cognitive radio networks. In , Proceedings - 2013 Conference on Technologies and Applications of Artificial Intelligence, TAAI 2013, pp.223-227, DOI: 10.1109/TAAI.2013.52.

Tang, J, Bournaka, G, Lambotharan, S (2012) Sum rate maximization for spectrum sharing multiuser MIMO network under rayleigh fading. In , Proceeding - COMNETSAT 2012: 2012 IEEE International Conference on Communication, Networks and Satellite, pp.30-34, ISBN: 9781467308892. DOI: 10.1109/ComNetSat.2012.6380771.

Tang, J and Lambotharan, S (2012) An optimal resource allocation technique for spectrum sharing MIMO wireless relay network. In , IEEE International Conference on Communications, pp.3516-3520, ISBN: 9781457720529. DOI: 10.1109/ICC.2012.6363750.

Bournaka, G, Lambotharan, S, Lazarakis, F (2012) SINR balancing techniques for a cognitive radio relay network with multiple peer-to-peer users. In , Proceeding - COMNETSAT 2012: 2012 IEEE International Conference on Communication, Networks and Satellite, pp.108-112, ISBN: 9781467308892. DOI: 10.1109/ComNetSat.2012.6380787.

Bournaka, G, Cumanan, K, Lambotharan, S, Lazarakis, F (2012) An SINR balancing technique for a cognitive two-way relay network. In , IEEE Vehicular Technology Conference,ISBN: 9781467318815. DOI: 10.1109/VTCFall.2012.6399175.

Zhu, Z, Lambotharan, S, Chin, WH, Fan, Z (2012) An Integer Linear Programming Based Optimization for Home Demand-side Management in Smart Grid. In IEEE PES Innovative Smart Grid Technologies, Washington, pp.1-4.

Bournaka, G, Cumanan, K, Lambotharan, S, Lazarakis, F (2012) An SINR balancing technique for a cognitive two-way relay network. In , IEEE Vehicular Technology Conference. DOI: 10.1109/VTCFall.2012.6399175.

Xiong, Z, Gong, C, Wu, L, Cumanan, K, Lambotharan, S (2011) Capacity balancing for multiuser MIMO cognitive radio network. In , IEEE Vehicular Technology Conference,ISBN: 9781424483273. DOI: 10.1109/VETECF.2011.6092998.

Zhu, Z, Lambotharan, S, Chin, WH, Fan, Z (2011) An Integer Linear Programming and Game Theory Based Optimization for Demand-side Management in Smart Grid. In IEEE GLOBECOM – SG COMNET, Houston, pp.1205-1210.

Bournaka, G, Cumanan, K, Lambotharan, S, Lazarakis, F (2011) An iterative semidefinite and Geometric programming technique for the SINR balancing in two-way relay network. In IEEE GLOBECOM, Houston, pp.1-5.

Rahulamathavan, Y and Lambotharan, S (2011) A Rate Balancing Technique for MIMO-Cognitive Radio Network Under a Mixed QoS Requirement. In IEEE Globecom, Houston, pp.1-5.

Tang, J, Anandkumar, A, Lambotharan, S (2011) Opportunistic MIMO multi-cell interference alignment techniques. In This paper appears in: Internet Multimedia Systems Architecture and Application (IMSAA), Bangalore, pp.1-4.

Alrmah, MA, Weiss, S, Lambotharan, S (2011) An extension of the MUSIC algorithm to broadband scenarios using a polynomial eigenvalue decomposition. In , European Signal Processing Conference, pp.629-633.

Anandkumar, AJG, Anandkumar, A, Lambotharan, S, Chambers, JA (2011) Robust rate maximization game under bounded channel uncertainty. In , IEEE Transactions on Vehicular Technology, pp.4471-4486, DOI: 10.1109/TVT.2011.2171011.

Cumanan, K, Tang, J, Lambotharan, S (2011) Rate balancing based linear transceiver design for multiuser MIMO system with multiple linear transmit covariance constraints. In , IEEE International Conference on Communications,ISBN: 9781612842332. DOI: 10.1109/icc.2011.5963516.

Rahulamathavan, Y, Cumanan, K, Lambotharan, S (2011) An SINR balancing based beamforming technique for cognitive radio networks with mixed quality of service requirements. In , IEEE International Conference on Communications,ISBN: 9781612842332. DOI: 10.1109/icc.2011.5962587.

Xiong, Z, Gong, C, Wu, L, Cumanan, K, Lambotharan, S (2011) Capacity Balancing for Multiuser MIMO Cognitive Radio Network. In IEEE VTC, San Francisco, pp.1-5.

Tang, J and Lambotharan, S (2011) A suboptimal user maximization algorithm for an OFDMA based cognitive radio network. In , IEEE Vehicular Technology Conference,ISBN: 9781424483310. DOI: 10.1109/VETECS.2011.5956261.

Rahulamathavan, Y, Cumanan, K, Lambotharan, S (2011) An SINR Balancing based Beamforming Technique for Cognitive Radio Networks with Mixed Quality of Service Requirements. In IEEE ICC, Kyoto, pp.1-5.

Cumanan, K, Tang, J, Lambotharan, S (2011) Rate Balancing Based Linear Transceiver Rate Balancing Based Linear Transceiver Design for Multiuser MIMO System with Multiple Linear Transmit Covariance Constraints. In IEEE ICC, Kyoto, pp.1-5.

Tang, J and Lambotharan, S (2011) A Suboptimal User Maximization Algorithm for an OFDMA Based Cognitive Radio Network. In IEEE VTC, Budapest, pp.1-5.

Wang, W, Zong, N, Tang, J, Lambotharan, S (2010) Soft information improvement for PN sequence iterative acquisition. In , Proceedings - 2010 International Conference on Computational Intelligence and Security, CIS 2010, pp.533-536, ISBN: 9780769542973. DOI: 10.1109/CIS.2010.122.

Rahulamathavan, Y, Dong, Y, Cumanan, K, Lambotharan, S, Nandi, AK (2010) Adaptive rate balancing techniques in cognitive radio networks. In , 2010 International Workshop on Cognitive Radio, IWCR 2010,ISBN: 9781424490998. DOI: 10.1109/IWCR.2010.5730214.

Cumanan, K, Rahulamathavan, Y, Lambotharan, S (2010) Linear transceiver design for multiuser spectrum sharing MIMO networks. In , 2010 International Workshop on Cognitive Radio, IWCR 2010,ISBN: 9781424490998. DOI: 10.1109/IWCR.2010.5730215.

Anandkumar, AJG, Anandkumar, A, Lambotharan, S, Chambers, J (2010) Efficiency of rate-maximization game under bounded channel uncertainty. In , Conference Record - Asilomar Conference on Signals, Systems and Computers, pp.482-486, ISBN: 9781424497218. DOI: 10.1109/ACSSC.2010.5757605.

Foster, J, McWhirter, J, Davies, M, Lambotharan, S, Chambers, J (2010) Spatial-temporal mode transmission based upon the QR decomposition of a polynomial channel matrixwith uncertainties. In , European Signal Processing Conference, pp.452-456.

Bournaka, G, Cumanan, K, Lambotharan, S, Chambers, J, Lazarakis, F (2010) An SINR Balancing Based Multiuser Relaying Scheme. In ICCS 2010, Singapore, pp.274-278, ISBN: 978 1 4244 7006 8.

Tang, J, Yogachandran, R, Lambotharan, S (2010) Optimal Adaptive Bit Loading and Subcarrier Allocation Techniques for OFDM based Cognitive Radio Systems. In IEEE International Conference on Communication Technology (ICCT), Nanjing, pp.454-457.

Bournaka, G, Cumanan, K, Chambers, J, Lambotharan, S, Lazarakis, F (2010) An SINR Balancing Based Multiuser Relaying Scheme. In IEEE International Conference on Communications and Systems (IEEE ICCS), Singapore, pp.274-278.

Hu, JC, Wang, W, Xiong, Z, Lambotharan, S (2010) Optimization Techniques for Asynchronous Two-way Relaying Based Multiuser Multiplexing. In IEEE International Conference on Communications and Systems (IEEE ICCS), Singapore, pp.545-548.

Anandkumar, AJG, Anandkumar, A, Lambotharan, S, Chambers, J (2010) Robust Rate-Maximization Game Under Bounded Channel Uncertainty. In Asilomar 2010, California, pp.482-486, ISBN: 978 1 4244 9722 5.

Lambotharan, S, Xiong, Z, Wang, W, Hu, JC (2010) Optimization Techniques for Asynchronous Two-way Relaying Based Multiuser Multiplexing. In ICCS, Singapore, pp.545-548.

Foster, J, McWhirter, J, Davies, M, Lambotharan, S, Chambers, J (2010) Spatial-Temporal Mode Transmission Based Upon The QR Decomposition Of A Polynomial Channel Matrix With Uncertainties. In EUSIPCO 2010, Aalborg, Denmark, not known.

Rahulamathavan, Y, Cumanan, K, Lambotharan, S (2010) Optimal Resource Allocation Techniques For MIMO-OFDMA Based Cognitive Radio Networks Using Integer Linear Programming. In IEEE Signal Processing Advances in Wireless Communications (IEEE SPAEC), Marrakech, pp.1-5.

Hu, JC, Xiong, Z, Rahulamathavan, Y, Cumanan, K, Lambotharan, S (2010) Optimization Techniques For Two-Way Relaying Based Multiuser Multiplexing. In IEEE Signal Processing Advances in Wireless Communications (IEEE SPAWC), Marrakech, pp.1-5.

Xiong, Z, Cumanan, K, Lambotharan, S (2010) Robust SINR Balancing Technique for a Cognitive Radio Network Using Probability Based Interference Constraints. In IEEE International Dynamic Spectrum Access Networks (DySPAN) Symposium, Singapore, not known.

Anandkumar, AJG, Anandkumar, A, Lambotharan, S, Chambers, J (2010) Robust Rate-Maximization Game Under Bounded Channel Uncertainty. In ICASSP 2010, Dallas, pp.3158-3161.

Xiong, Z, Cumanan, K, Rahulamathavan, Y, Lambotharan, S (2010) A robust SINR Balancing Technique for a Multiuser MIMO Cognitive Radio Network. In IEEE, (ed) IEEE Signal Processing Advances in Wireless Communications (IEEE SPAWC), Marrakech, pp.1-5.

Anandkumar, AJG, Lambotharan, S, Chambers, JA (2009) Application of distributed MIMO waterfilling algorithm for broadband channels and its performance in the presence of CSI errors. In , Proceedings - 2009 1st UK-India International Workshop on Cognitive Wireless Systems, UKIWCWS 2009,ISBN: 9781457701832. DOI: 10.1109/UKIWCWS.2009.5749390.

Musavian, L and Lambotharan, S (2009) Power allocation under service-outage constraints for spectrum-sharing cognitive radio networks. In , Proceedings - 2009 1st UK-India International Workshop on Cognitive Wireless Systems, UKIWCWS 2009,ISBN: 9781457701832. DOI: 10.1109/UKIWCWS.2009.5749421.

Rahulamathavan, Y, Cumanan, K, Krishna, R, Lambotharan, S (2009) Adaptive subcarrier and bit allocation techniques for MIMO-OFDMA based uplink cognitive radio networks. In , Proceedings - 2009 1st UK-India International Workshop on Cognitive Wireless Systems, UKIWCWS 2009,ISBN: 9781457701832. DOI: 10.1109/UKIWCWS.2009.5749387.

Irfan, M, Krishna, R, Xiong, Z, Lambotharan, S (2009) Interference mitigation based signal forwarding strategy for wireless relay networks. In , European Signal Processing Conference, pp.2392-2395.

Anandkumar, AJG, Lambotharan, S, Chambers, J (2009) A Game-Theoretic Approach To Transmitter Covariance Matrix Design For Broadband MIMO Gaussian Interference Channels. In SSP2009, Cardiff, pp.301-304, ISBN: 978 1 4244 2709 3.

Cumanan, K, Krishna, R, Lambotharan, S (2009) Fusion Of Decisions Transmitted Over Multiple Observations Based Relay/Sensor Network. In IEEE Statistical Signal Processing Workshop, Cardiff, pp.622-625.

Rahulamathavan, Y, Cumanan, K, Musavian, L, Lambotharan, S (2009) Optimal Subcarrier And Bit Allocation Techniques For Cognitive Rdio Networks Using Integer Linear Programming. In IEEE Statistical Signal Processing Workshop, Cardiff, pp.293-296.

Xiong, Z, Cumanan, K, Lambotharan, S (2009) On The Benefits Of Subspace Dimension Reduction For Grassmannian Multiuser Beamformers. In IEEE Statistical Signal Processing Workshop, Cardiff, pp.658-661.

Davies, M, Lambotharan, S, Foster, JA, Chambers, J, McWhirter, J (2009) A Polynomial QR Decomposition Based Turbo Equalization Technique for Frequency Selective MIMO Channels. In VTC 2009, Barcelona, Spain, pp.1-5, ISBN: 1 4244 2517 4.

Davies, M, Lambotharan, S, Foster, JA, Chambers, J, McWhirter, J (2009) Polynomial Matrix QR Decomposition and Iterative Decoding of Frequency Selective MIMO Channels. In WCNC 2009, Budapest, pp.1-6, ISBN: 978 1 4244 2948 6.

Xiong, Z, Krishna, R, Lambotharan, S, Chambers, J (2009) Multiuser Orthogonal Space-Division Multiplexing With Iterative Water-Filling Algorithm. In VTC 2009, Spain, pp.1-5.

Cumanan, K, Krishna, R, Xiong, Z, Lambotharan, S (2009) SINR Balancing Technique and its Comparison to Semidefinite Programming Based QoS Provision for Cognitive Radios. In IEEE Vehicular Technology Conference, Barcelona, not known.

Krishna, R, Cumanan, K, Xiong, Z, Lambotharan, S (2009) A Semidefinite Programming Based Cooperative Relaying Strategy for Wireless Mesh Networks with Relay Signal Quantization. In IEEE Vehicular Technology Conference, Barcelona, not known.

Cumanan, K, Krishna, R, Xiong, Z, Lambotharan, S (2009) SINR Balancing Technique and its Comparison to Semidefinite Programming Based QoS Provision for Cognitive Radios. In 69th IEEE Vehicular Technology Conference, 2009 IEEE VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, Barcelona, SPAIN, pp.494-498, ISBN: 978-1-4244-2516-7.

Krishna, R, Cumanan, K, Xiong, Z, Lambotharan, S (2009) Cooperative Relays for an Underlay Cognitive Radio Network. In International Conference on Wireless Communications and Signal Processing, 2009 INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS AND SIGNAL PROCESSING (WCSP 2009), Nanjing, PEOPLES R CHINA, pp.1662-1665, ISBN: 978-1-4244-4856-2.

Xiong, Z, Krishna, R, Lambotharan, S, Chambers, J (2008) A GMD-Based Precoding Scheme for Downlink Multiuser Multistream MIMO Channels. In 42nd Asilomar Conference on Signals, Systems and Computers, Pacific Grove, California, pp.311-315, ISBN: 978 1 4244 2941 7.

Davies, M, Lambotharan, S, Chambers, J, McWhirter, J (2008) Broadband MIMO Beamforming For Frequency Selective Channels Using The Sequential Best Rotation Algorithm. In VTC, Singapore, pp.1147-1151, ISBN: 978 1 4244 1644 8.

Sharma, V and Lambotharan, S (2008) Space-Time Channel Shortening Based Spatial Multiplexing Techniques Using Uplink-Downlink Duality. In IEEE Vehicular Technology Conference, Singapore, pp.1167-1170.

Qaisrani, M and Lambotharan, S (2008) Estimation of Doubly Selective MIMO Channels Using Superimposed Training and Turbo Equalization. In IEEE Vehicular Technology Conference, Singapore, pp.1316-1319, ISBN: 978-1-4244-1644-8.

Sharma, V, Lambotharan, S, Jakobsson, A (2008) Robust Transmit Multiuser Beamforming Using Worst Case Performance Optimization. In IEEE Vehicular Technology Conference, Singapore, pp.1132-1136, ISBN: 978-1-4244-1644-8.

Sharma, V, Wajid, I, Gershman, AB, Chen, H, Lambotharan, S (2008) Robust downlink beamforming using positive semi-definite covariance constraints. In International ITG Workshop on Smart Antennas, 2008 INTERNATIONAL ITG WORKSHOP ON SMART ANTENNAS, Darmstadt, GERMANY, pp.36-+, ISBN: 978-1-4244-1756-8. DOI: 10.1109/WSA.2008.4475534.

Sharma, V and Lambotharan, S (2008) Robust Multiuser Downlink Beamforming with Per Antenna Power Constraints using Worst-Case Performance Optimization. In International Symposium on Communication and Information Technologies, 2008 INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES, Vientiane, LAOS, pp.5-8, ISBN: 978-1-4244-2335-4. DOI: 10.1109/ISCIT.2008.4700144.

Cumanan, K, Krishna, R, Sharma, V, Lambotharan, S (2008) A Robust Beamforming Based Interference Control Technique and its Performance for Cognitive Radios. In International Symposium on Communication and Information Technologies, 2008 INTERNATIONAL SYMPOSIUM ON COMMUNICATIONS AND INFORMATION TECHNOLOGIES, Vientiane, LAOS, pp.9-13, ISBN: 978-1-4244-2335-4. DOI: 10.1109/ISCIT.2008.4700145.

Krishna, R, Cumanan, K, Sharma, V, Lambotharan, S (2008) A Robust Cooperative Relaying Strategy for Wireless Networks Using Semidefinite Constraints and Worst-case Performance Optimization. In International Symposium on Information Theory and Its Applications, 2008 INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY AND ITS APPLICATIONS, VOLS 1-3, Auckland, NEW ZEALAND, pp.655-659, ISBN: 978-1-4244-2068-1.

Cumanan, K, Krishna, R, Sharma, V, Lambotharan, S (2008) Robust Interference Control Techniques for Cognitive Radios Using Worst-Case Performance Optimization. In International Symposium on Information Theory and Its Applications, 2008 INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY AND ITS APPLICATIONS, VOLS 1-3, Auckland, NEW ZEALAND, pp.1586-1590, ISBN: 978-1-4244-2068-1.

Cumanan, K, Krishna, R, Sharma, V, Lambotharan, S (2008) Robust Interference Control Techniques for Multiuser Cognitive Radios Using Worst-Case Performance Optimization. In Matthews, MB (ed) 42nd Asilomar Conference on Signals, Systems and Computers, 2008 42ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS, VOLS 1-4, Pacific Grove, CA, pp.378-382, ISBN: 978-1-4244-2940-0. DOI: 10.1109/ACSSC.2008.5074429.

Chambers, J, Ong, LT, Shikh-Bahaei, M, Lambotharan, S (2008) Performance of variable rate and variable power MQAM system based on bit error rate and channel estimates. In 2006 International Conference on Communications, Circuits and Systems, Proceedings of 2006 International Conference on Communications, Circuits and Systems, Volume 2, Guilin, China, pp.1402-1406.

Yu, Q and Lambotharan, S (2007) An iterative estimation and detection technique for OFDM systems with multiple frequency offsets (Doppler shifts). In , IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC,ISBN: 9781424411443. DOI: 10.1109/PIMRC.2007.4394679.

Eltayeb, NM, Lambotharan, S, Chambers, JA (2007) A Phase Feedback Based Extended Space-Time Block Code for Enhancement of Diversity. In 2007 IEEE 65th Vehicular Technology Conference, 2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring. DOI: 10.1109/vetecs.2007.474.

Eltayeb, N, Lambotharan, S, Chambers, J (2007) A Phase Feedback Based Extended Space-Time Block Code for Enhancement of Diversity. In VTC 07, Dublin, not known.

Sharma, V and Lambotharan, S (2007) Space-time channel shortening based spatial multiplexing schemes for multiusers with multipath channels. In Matthews, MB (ed) 41st Asilomar Conference on Signals, Systems and Computers, CONFERENCE RECORD OF THE FORTY-FIRST ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS, VOLS 1-5, Pacific Grove, CA, pp.1700-1704, ISBN: 978-1-4244-2109-1.

Qaisrani, M, Lambotharan, S, IEEE, (2007) An iterative (Turbo) channel estimation and symbol detection technique for doubly selective channels. In , 2007 IEEE 65TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6, pp.2253-2256, ISBN: 978-1-4244-0265-6. DOI: 10.1109/VETECS.2007.465.

Davies, M, Lambotharan, S, McWhirter, J (2007) Broadband MIMO beamforming using spatial-temporal filters and polynomial matrix decomposition. In , PROCEEDINGS OF THE 2007 15TH INTERNATIONAL CONFERENCE ON DIGITAL SIGNAL PROCESSING, pp.579-+, ISBN: 978-1-4244-0881-8. DOI: 10.1109/ICDSP.2007.4288648.

Yu, Q, Lambotharan, S, IEEE, (2007) Iterative (turbo) estimation and detection techniques for frequency selective channels with multiple frequency offsets in MIMO system. In , 2007 IEEE 65TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6, pp.2015-2018, ISBN: 978-1-4244-0265-6. DOI: 10.1109/VETECS.2007.417.

Ong, LT, Lambotharan, S, IEEE, (2007) On the rate and power allocation for MIMO based integrated voice and data transmission. In , 2007 IEEE 66TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, pp.1762-1766, ISBN: 978-1-4244-0263-2. DOI: 10.1109/VETECF.2007.372.

Sharma, V and Lambothtaran, S (2007) Robust impulse response shortening for discrete multitone transceivers. In , PROCEEDINGS OF THE 2007 15TH INTERNATIONAL CONFERENCE ON DIGITAL SIGNAL PROCESSING, pp.387-+, ISBN: 978-1-4244-0881-8. DOI: 10.1109/ICDSP.2007.4288600.

Ong, LT, Lambotharan, S, Chambers, J, Shikh Bahaei, M (2006) Performance of Bayesian Estimation Based Variable Rate Variable Power MQAM System. In PIMRC 06, Finland, pp.1-5, ISBN: 1 4244 0330 8.

Sharma, V, Lambotharan, S, IEEE, (2006) Multiuser Downlink MIMO Beamforming using an Iterative Optimization Approach. In , 2006 IEEE 64TH VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-6, pp.301-305, ISBN: 978-1-4244-0062-1.

Sharma, V, Lambotharan, S, IEEE, (2006) Robust multiuser beamformers in MIMO-OFDM systems. In , 2006 10TH IEEE SINGAPORE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS, VOLS 1 AND 2, pp.124-+, ISBN: 978-1-4244-0410-0.

Yu, Q, Lambotharan, S, IEEE, (2006) Iterative channel estimation and equalization techniques for multipath channels with multiple frequency offsets. In , 2006 10TH IEEE SINGAPORE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS, VOLS 1 AND 2, pp.412-+, ISBN: 978-1-4244-0410-0.

Ong, LT, Lambotharan, S, IEEE, (2006) Variable rate variable power MIMO system for integrated voice and data services. In , 2006 10TH IEEE SINGAPORE INTERNATIONAL CONFERENCE ON COMMUNICATION SYSTEMS, VOLS 1 AND 2, pp.21-+, ISBN: 978-1-4244-0410-0.

Ahmed, S, Sellathurai, M, Lambotharan, S, Chambers, J (2005) Low complexity iterative method of signal detection in OFDM doubly selective channels. In , 13th European Signal Processing Conference, EUSIPCO 2005, pp.2167-2170, ISBN: 9781604238211.

Toker, C, Lambotharan, S, Chambers, JA (2005) Orthogonalization of quasi-orthogonal space-time block codes in multipath fading environments by using feedback. In , 13th European Signal Processing Conference, EUSIPCO 2005, pp.2310-2313, ISBN: 9781604238211.

Toker, C, Lambotharan, S, Chambers, J (2005) Orthogonalization of Quasi-Orthogonal Space-Time Block Codes in Multipath Fading Environments by Using Feedback. In EUSIPCO 05, Turkey, not known.

Ahmed, S, Sellathurai, M, Lambotharan, S, Chambers, J (2005) Low Complexity Iterative Method of Signal Detection in OFDM Doubly Selective Channels. In EUSIPCO 05, Turkey, not known.

Toker, C, Lambotharan, S, Chambers, J (2005) Joint Transmitter and Receiver Design for MIMO Channel Shortening. In ICASSP 05, Philadelphia, USA, not known.

Kobravi, A, Bahaei, MRS, Lambotharan, S, IEEE, (2005) New SIC scheme with frequency offset estimation and correction. In , VTC2005-FALL: 2005 IEEE 62ND VEHICULAR TECHNOLOGY CONFERENCE, 1-4, PROCEEDINGS, pp.645-649, ISBN: 0-7803-9152-7.

Toker, C, Lambotharan, S, Chambers, JA, IEEE, (2005) Joint transmitter and receiver design for MIMO channel shortening. In , 2005 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1-5, pp.909-912, ISBN: 0-7803-8874-7.

Lambotharan, S, Luo, YH, IEEE, (2005) A hybrid antennae selection and STBC scheme for multipath fading channels. In , VTC2005-SPRING: 2005 IEEE 61ST VEHICULAR TECHNOLOGY CONFERENCE, VOLS 1-5, PROCEEDINGS, pp.1668-1671, ISBN: 0-7803-8887-9.

Ahmed, S, Chambers, J, Lambotharan, S (2004) Frequency offset estimation technique for frequency selective channels with multiple frequency offsets in DS-CDMA. In IBCAST 2004, Pakistan, not known.

Toker, C, Lambotharan, S, Chambers, J (2004) Infinite length channel shortening filtering based on polynomial approach. In EUSIPCO 2004, Vienna, Austria, not known.

Ahmed, S, Lambotharan, S, Jakobsson, A, Chambers, J (2004) Parameter Estimation and Equalization Techniques for Communication Channels with Multipath and Multiple Frequency Offsets. In EUSIPCO 2004, Vienna, Austria, not known.

Luo, Y, Lambotharan, S, ieee, (2004) A new tap constrained constant modulus algorithm for blind equalization of time reversal space time block codes. In , 2004 IEEE 5TH WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS, pp.273-277, ISBN: 0-7803-8337-0.

Chambers, J, Luo, Y, Lambotharan, S (2004) A new block based time-frequency approach for underdetermined blind source separation. In ,ISBN: 0780384849. DOI: 10.1109/ICASSP.2004.1327166.

Luo, Y, Lambotharan, S, PHEI, (2004) Constant modulus blind equalization algorithm for time reversal based space time block codes. In , 2004 7TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING PROCEEDINGS, VOLS 1-3, pp.1711-1714, ISBN: 7-121-00215-9.

Lambotharan, S, Luo, Y, Toker, C, IEEE, (2004) Blind multi-user detection of space-time block coded signals in a CDMA system. In , 2004 INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING & COMMUNICATIONS (SPCOM), pp.275-279, ISBN: 0-7803-8674-4. DOI: 10.1109/SPCOM.2004.1458401.

Toker, C, Lambotharan, S, Chambers, J (2003) Space-Time Block Coding for Four Transmit Antennas With Closed Loop Feedback Over Frequency Selective Fading Channels. In Information Theory Workshop, Paris, not known.

Toker, C, Lambotharan, S, Chambers, JA, IEEE, IEEE, (2003) Space-time block coding for four transmit antennas with closed loop feedback over frequency selective fading channels. In , 2003 IEEE INFORMATION THEORY WORKSHOP, PROCEEDINGS, pp.195-198, ISBN: 0-7803-7799-0. DOI: 10.1109/ITW.2003.1216728.

Lambotharan, S, Lopes, L, Villier, E, IEE, IEE, (2002) On the interference modelling aspects of a UTRAN forward link. In , THIRD INTERNATIONAL CONFERENCE ON 3G MOBILE COMMUNICATION TECHNOLOGIES, pp.555-559, ISBN: 0-85296-749-7.

Villier, E, Lopes, L, Lambotharan, S, IEE, IEE, (2002) Approaches to modelling the physical layer performance in a UMTS radio system simulator. In , THIRD INTERNATIONAL CONFERENCE ON 3G MOBILE COMMUNICATION TECHNOLOGIES, pp.560-564, ISBN: 0-85296-749-7.

Lambotharan, S, Lopes, L, IEE, IEE, (2002) Performance of antenna hopping techniques for packet radio transmission. In , THIRD INTERNATIONAL CONFERENCE ON 3G MOBILE COMMUNICATION TECHNOLOGIES, pp.525-528, ISBN: 0-85296-749-7.

Molkdar, D, Lambotharan, S, IEE, IEE, IEE, (2001) Impact of header error on egprs link level performance in IR mode. In , SECOND INTERNATIONAL CONFERENCE ON 3G MOBILE COMMUNICATION TECHNOLOGIES, pp.114-118, ISBN: 0-85296-731-4.

Lambotharan, S, Chambers, JA, Constantinides, AG (1999) Leaky constant modulus algorithms: Sensitivity of local minima. In , IEEE Transactions on Signal Processing, p.280.

Lambotharan, S, Chambers, J, Constantinides, AG (1999) Leaky constant modulus algorithms: sensitivity of local minima. In ,ISBN: 0780350413. DOI: 10.1109/ICASSP.1999.760638.

Lambotharan, S, Constantinides, AG, Chambers, J, Skowratananont, K (1998) A novel re-initialization technique for CMA in the presence of channel noise. In ,ISBN: 0780351487. DOI: 10.1109/ACSSC.1998.750911.

Skowratananont, K, Lambotharan, S, Chambers, J (1998) A new adaptive blind equaliser structure with robustness to loss of channel disparity. In ,ISBN: 0780351487. DOI: 10.1109/ACSSC.1998.750910.

Brooks, DJ, Lambotharan, S, Chambers, J (1998) Optimum delay and mean square error using CMA. In ,ISBN: 0780344286. DOI: 10.1109/ICASSP.1998.679585.

Brooks, DJ, Lambotharan, S, Chambers, JA (1997) Optimised MSE and delay for blind equalizers. In , IEE Colloquium (Digest).

Lambotharan, S and Chambers, J (1997) A novel blind equalization structure for deep null communication channels. In ,ISBN: 078033583X. DOI: 10.1109/ISCAS.1997.621948.



Software

Chadza, T, Kyriakopoulos, K, Lambotharan, S (Accepted for publication) Transfer Learning with Hidden Markov Models Applied on Network Security - MATLAB Code.

Chadza, T, Kyriakopoulos, K, Lambotharan, S (Accepted for publication) Predicting Sequential Network Attacks Using Hidden Markov Model - MATLAB Code.

Chadza, T, Kyriakopoulos, K, Lambotharan, S (Accepted for publication) Analysis of Hidden Markov Model Learning Algorithms for the Detection and Prediction of Multi-stage Network Attacks - MATLAB Code.



Getting in touch

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