Theoretical investigation on communication systems using mathematical analysis, with the focus on optical communications.

	Unipolar OFDM transmissions Mathematical 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)
	Unipolar MIMO transmissions Mathematical 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)
	RWA in WDM networks Optimization, algorithms, and blocking probability analysis of routing and wavelength assignment (RWA) in optical wavelength division multiplexing (WDM) networks
	MAC for access PONs Queueing analysis of packet delays for medium access control (MAC) in passive optical networks (PONs), with additional consideration on device sleeping for energy efficiency