Key Research Areas:

• Optical Wireless Communications
  • Free-space optical communication
  • Visible light communication
  • Indoor infrared wireless communication
  • Underwater optical wireless communication
• Optical Fibre Communications  
  • short range plastic fibre communication
• Digital Modulation Techniques
  • Single and multicarrier modulation (OFDM, CAP, Subcarrier Intensity Modulation etc)
  • Spatial modulation and multiplexing

Latest Publications/News

• “Modelling of Multi-Tier Handover in LiFi Networks,” in IEEE Global Communications Conference (IEEE GLOBECOM 2021), Madrid, Spain, (2021).

• “Single LED Gbps Visible Light Communication with Probabilistic Shaping,” in IEEE Global Communications Conference (IEEE GLOBECOM 2021), Madrid, Spain (2021).

• "Ergodic capacity and error performance of spatial diversity UWOC systems over generalized gamma turbulence channels." Optics Communications 505 (2022): 127476.

• "Pilot-assisted PAPR reduction in PAM-DMT based visible light communication systems." IEEE Latin-American Conference on Communications. IEEE, 2021.

• "Mobility management in multi-tier LiFi networks." Journal of Optical Communications and Networking 13, no. 9 (2021): 204-213.

• "Gbps underwater optical wireless communication in turbulence and random sea surface." In Proceedings of the Workshop on Internet of Lights, pp. 21-26. 2021.

• "Underwater optical wireless communication with subcarrier intensity modulation: an experimental demonstration." In Proceedings of Meetings on Acoustics UACE, vol. 44, no. 1, p. 032001. Acoustical Society of America, 2021.

• "Bias Point Optimisation in LiFi for Capacity Enhancement," in Journal of Lightwave Technology, vol. 39, no. 15, pp. 5021-5027, Aug.1, 2021

• "Subcarrier intensity modulation for turbulent underwater optical wireless communications." In 2021 Conference on Lasers and Electro-Optics (CLEO), pp. 1-2. IEEE, 2021.

• "Quantum Key Distribution Using Time-Gated SPADs over Turbid Underwater Channels." In CLEO: Science and Innovations, pp. JW1A-125. Optical Society of America, 2021.

• "Implementation of Linearly Pulse Shaped Generalised Frequency Division Multiplexing for Visible Light Communication Systems." IEEE Open Journal of the Communications Society 1 (2020): 1614-1622.

• “OFDM based visible light communication with probabilistic shaping,” in Proceedings of the Workshop on Light Up the IoT (LIOT '20). Association for Computing Machinery, New York, NY, USA, 1–5, 2020

• "Empirical study of the underwater turbulence effect on non-coherent light," IEEE Photonics Technology Letters 32, no. 20 (2020): 1307-1310.

• "Effects of turbulence induced scattering on underwater optical wireless communications." arXiv preprint arXiv:2008.01152 (2020).

• "Performance of Spatial Diversity DCO-OFDM in a Weak Turbulence Underwater Visible Light Communication Channel" Journal of Lightwave Technology, vol. (In-Press), pp. (In-Press).

• "LDPC-Coded CAP with Spatial Diversity for UVLC Systems over Generalized-Gamma Fading Channel." Sensors 20, no. 12 (2020): 3378.

• "Pilot-Aided Frame Synchronization in Optical OFDM Systems." Applied Sciences 10, no. 11 (2020): 4034.