Ampalavanapillai Nirmalathas

Rapid Asynchronous Monitoring for BER Evaluation in Optical Networks

E WONG, A Nirmalathas, C Lim

Universal optical network architecture for future wireless LANs [Invited]

Sampath Edirisinghe, Chathurika Ranaweera, Christina Lim, Ampalavanapillai Nirmalathas, Elaine Wong

Journal article  |  2021  |  JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING

Study on the impact of clustering for non-orthogonal multiple access based on multilevel code for radio-over-fiber fronthaul application

Yijie Tao, Christina Lim, Ampalavanapillai Nirmalathas

Journal article  |  2021  |  JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING

With the stringent requirements of fifth-generation and beyond wireless communications technology coupled with the potential bottl..

Energy-aware routing for software-defined multihop wireless sensor networks

F Fernando Jurado-Lasso, Ken Clarke, Andres Navarro Cadavid, Ampalavanapillai Nirmalathas

Journal article  |  2021  |  IEEE Sensors Journal

In this paper, we propose an energy-aware routing algorithm and a control overhead reduction technique for prolonging the network ..

Radio-Over-Fiber Technology: Present and Future

Christina Lim, Ampalavanapillai Nirmalathas

Journal article  |  2021  |  JOURNAL OF LIGHTWAVE TECHNOLOGY

Radio-over-fiber (RoF) technology is a hybrid technology which was first introduced to the telecommunication arena in the eighties..

Indoor optical wireless access networks-recent progress [Invited]

Ampalavanapillai Nirmalathas, Tingting Song, Sampath Edirisinghe, Ke Wang, Christina Lim, Elaine Wong, Chathurika Ranaweera, Kamal Alameh

Journal article  |  2021  |  JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING

Optical wireless access networks have seen rapid progress. With beam-steering capability, optical wireless communications can deli..

integrated on a CMOS image sensor

Xin He, Yajing Liu, Paul Beckett, Hemayet Uddin, Ampalavanapillai Nirmalathas, Ranjith R Unnithan

Journal article  |  2021  |  OSA CONTINUUM

The CMY colour camera is different from the RGB counterpart where the subtractive colours cyan, magenta and yellow are used. The C..

Control and Data Plane Separation for Interoperable Indoor Wireless Access Connectivity

Elaine Wong, Sampath Edirisinghe, Chathurika Ranaweera, Christina Lim, Ampalavanapillai Nirmalathas

Conference Proceedings  |  2021  |  2020 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS (ECOC)

We present a centrally-controlled indoor network that harnesses data/control plane separation, virtualization of resources, and a ..

Wireless charging of smartwear for health and safety monitoring system

CA Chan, P Hao, AF Gygax, A Nirmalathas

Conference Proceedings  |  2020  |  2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2020

Smart wearables for health monitoring have become an emerging technology that allows consumers to monitor and keep track of their ..

Comparison of Optical Transport Technologies for Centralized Radio Access Network Using Optical Ground Wire

Kensuke Ikeda, Christina Lim, Ampalavanapillai Nirmalathas, Chathurika Ranaweera

Journal article  |  2020  |  IEICE TRANSACTIONS ON COMMUNICATIONS

Communication networks for wide-scale distributed energy resources (DERs) including photovoltaics (PVs), wind, storage and battery..

Nanophotonics: Hybrid Color Filters for Multispectral Imaging (Adv. Theory Simul. 11/2020)

Xin He, Yajing Liu, Paul Beckett, Md Hemayet Uddin, Ampalavanapillai Nirmalathas, Ranjith Rajasekharan Unnithan

Figure  |  2020  |  Advanced Theory and Simulations