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Research Communication theoryTheoretical investigation on communication systems using mathematical analysis, with the focus on visible light communications. ![]() MAC for access PONsQueueing analysis of packet delays for medium access control (MAC) in passive optical networks (PONs), with additional consideration on device sleeping for energy efficiency ![]() RWA in WDM networksOptimization, algorithms, and blocking probability analysis of routing and wavelength assignment (RWA) in optical wavelength division multiplexing (WDM) networks ![]() Unipolar MIMO transmissionsMathematical analysis of unipolar multi-input multi-output (MIMO) transmissions that employ intensity modulation with direct detection (IM/DD) with applications in visible light communications (VLC) ![]() Unipolar OFDM transmissionsMathematical analysis of unipolar orthogonal frequency division multiplexing (OFDM) transmissions that employ intensity modulation with direct detection (IM/DD), with applications in visible light communications (VLC) |