His main research concerns MIMO, Telecommunications link, Electronic engineering, Transmitter and Interference. His studies in MIMO integrate themes in fields like Spatial correlation, Control theory, Signal-to-noise ratio, Information theory and Algorithm. His Telecommunications link research incorporates elements of Optimization problem, Mathematical optimization, Throughput and Precoding.
His research integrates issues of Cognitive radio, Interference and Transceiver in his study of Electronic engineering. The concepts of his Transmitter study are interwoven with issues in Channel state information, Communication channel, Maximal-ratio combining and Robustness. His Interference study integrates concerns from other disciplines, such as Transmitter power output, Base station and Communications system.
Tharmalingam Ratnarajah spends much of his time researching MIMO, Communication channel, Electronic engineering, Interference and Computer network. The various areas that Tharmalingam Ratnarajah examines in his MIMO study include Control theory, Beamforming, Algorithm, Telecommunications link and Topology. His Communication channel study combines topics from a wide range of disciplines, such as Transmitter and Decoding methods.
His studies deal with areas such as Throughput, Radio frequency, Duplex, Orthogonal frequency-division multiplexing and Antenna as well as Electronic engineering. His Interference research is multidisciplinary, relying on both Transmitter power output, Cognitive radio, Signal-to-noise ratio, Interference alignment and Optimization problem. The study incorporates disciplines such as Wireless, Wireless network and Transmission in addition to Computer network.
Tharmalingam Ratnarajah mainly investigates MIMO, Computer network, Interference, Base station and Wireless. MIMO is a primary field of his research addressed under Communication channel. Tharmalingam Ratnarajah interconnects Wireless network and Heterogeneous network in the investigation of issues within Computer network.
His Interference study combines topics in areas such as Transmitter power output, Network topology, Duplex, Optimization problem and Electronic engineering. The concepts of his Electronic engineering study are interwoven with issues in Transmitter and Detector. His Base station research incorporates themes from Throughput, Monte Carlo method, Telecommunications link and Topology.
The scientist’s investigation covers issues in MIMO, Base station, Telecommunications link, Computer network and Wireless. His MIMO study introduces a deeper knowledge of Communication channel. His biological study spans a wide range of topics, including Radar, Cellular network, Enhanced Data Rates for GSM Evolution and Interference.
His research integrates issues of Optimization problem, Electronic engineering and Transmitter power output in his study of Interference. His Telecommunications link study integrates concerns from other disciplines, such as Poisson distribution, Radio spectrum, Baseband, Iterative method and Upper and lower bounds. His Computer network research includes elements of Discrete mathematics, Wireless network, Heterogeneous network, Radio frequency and Transmitter.
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A Minorization-Maximization Method for Optimizing Sum Rate in the Downlink of Non-Orthogonal Multiple Access Systems
Muhammad Fainan Hanif;Zhiguo Ding;Tharmalingam Ratnarajah;George K. Karagiannidis.
IEEE Transactions on Signal Processing (2016)
Large-Scale MIMO Transmitters in Fixed Physical Spaces: The Effect of Transmit Correlation and Mutual Coupling
C. Masouros;M. Sellathurai;T. Ratnarajah.
IEEE Transactions on Communications (2013)
On the Performance of Eigenvalue-Based Cooperative Spectrum Sensing for Cognitive Radio
Ayse Kortun;Tharmalingam Ratnarajah;Mathini Sellathurai;Caijun Zhong.
IEEE Journal of Selected Topics in Signal Processing (2011)
Eigenvalues and Condition Numbers of Complex Random Matrices
T. Ratnarajah;R. Vaillancourt;M. Alvo.
SIAM Journal on Matrix Analysis and Applications (2005)
Sum Rate Analysis of ZF Receivers in Distributed MIMO Systems
M. Matthaiou;Caijun Zhong;M. R. McKay;T. Ratnarajah.
IEEE Journal on Selected Areas in Communications (2013)
On the Diversity-Multiplexing Tradeoff for Wireless Cooperative Multiple Access Systems
Z. Ding;T. Ratnarajah;C.C.F. Cowan.
IEEE Transactions on Signal Processing (2007)
Known interference in the cellular downlink: a performance limiting factor or a source of green signal power?
Christos Masouros;Tharmalingam Ratnarajah;Mathini Sellathurai;Constantinos B. Papadias.
IEEE Communications Magazine (2013)
On the Performance of Relay Aided Millimeter Wave Networks
Sudip Biswas;Satyanarayana Vuppala;Jiang Xue;Tharmalingam Ratnarajah.
IEEE Journal of Selected Topics in Signal Processing (2016)
Quadratic forms on complex random matrices and multiple-antenna systems
T. Ratnarajah;R. Vaillancourt.
IEEE Transactions on Information Theory (2005)
Performance Analysis of IA Techniques in the MIMO IBC With Imperfect CSI
Paula Aquilina;Tharmalingam Ratnarajah.
IEEE Transactions on Communications (2015)
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