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Introduction to the GLOBECOM 2023 Optical Networks and Systems Symposium Special Issue
This Special Issue contains a collection of invitation-only extensions based on papers presented at the Optical Networks and Systems Symposium at IEEE GLOBECOM held 4–8 December 2023 in Kuala Lumpur, Malaysia. We present a brief introduction followed by an overview of each of the papers.Show More
Reinforcement Learning-Based Bandwidth Decision in Optical Access Networks: A Study of Exploration Strategy and Time With Confidence Guarantee
Reinforcement learning (RL) has recently emerged as a promising solution for intelligence bandwidth decisions that reduce latency in optical access networks. Even though RL drives model-free self-adaptive bandwidth decisions, the learning time cost and the widely-known exploration-exploitation dilemma of when to apply the best decision learnt are challenging to address in the bandwidth decision co...Show More
Self-Adaptive Bandwidth Allocation to Address Dynamic Traffic Concept Drift in Optical Access Networks
2023 21st International Conference on Optical Communications and Networks (ICOCN)
Year: 2023 | Conference Paper |
Cited by: Papers (2)
In this invited talk, we will review our recent work on online reinforcement learning-based dynamic bandwidth allocation (ORL-DBA) scheme that addresses concept drift in ML-enhanced optical access networks for supporting low-latency applications against network traffic dynamicity. The scheme improves bandwidth decisions via exploration or exploits existing decision knowledge to keep a low latency,...Show More
Addressing Concept Drift of Dynamic Traffic Environments through Rapid and Self-Adaptive Bandwidth Allocation
2023 32nd International Conference on Computer Communications and Networks (ICCCN)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
Passive optical networks are envisioned to become increasingly complex as they support more and more diverse and immersive services that have different capacity, latency, and reliability needs. In the near term, they are expected to support the delivery of a diverse and immersive set of services including mixed reality, holographic communication, human-to-machine/robot communications, Tactile Inte...Show More
A Transfer Learning Assisted Framework to Expedite and Self-Adapt Bandwidth Allocations in Low-Latency H2M Applications
IEEE Communications Magazine
Cited by: Papers (1)
In view of the aspirations of 6G, networks will soon be expected to support the delivery of tactile-haptic and kinetic perceptions so that humans can interact with real/virtual environments through machines/robots. This requires lowering the end-to-end network latency to sub-milliseconds, thus driving technology advancements at network edge, encompassing access and enterprise networks. This articl...Show More
Towards 6G: fast and self-adaptive dynamic bandwidth allocation for next-generation mobile fronthaul [Invited]
6G networks will deliver dynamic and immersive applications that bridge the real and digital worlds. The next-generation passive optical access network is a potential optical transport solution for the fronthaul of open radio access networks. With this solution, uplink bandwidth is shared, and uplink latency performance is thus highly dependent on how bandwidth is allocated. Compounding this issue...Show More
Machine learning enhanced next-generation optical access networks—challenges and emerging solutions [Invited Tutorial]
Optical access networks are envisioned to become increasingly complex as they support more and more diverse and immersive services, each with a different capacity, latency, and reliability need. While machine learning has been touted as a silver bullet that will intelligently manage network operations and resources to meet these demands, as it had been anticipated for core and metro networks, ther...Show More
Evolution of Short-Range Optical Wireless Communications
Ke Wang;Tingting Song;Yitong Wang;Chengwei Fang;Jiayuan He;Ampalavanapillai Nirmalathas;Christina Lim;Elaine Wong;Sithamparanathan Kandeepan
Journal of Lightwave Technology
Cited by: Papers (40)
The optical wireless communication (OWC) technology explores the broad unregulated optical spectrum to provide high-speed wireless communications, and the visible, ultraviolet and near-infrared wavelength ranges all have been investigated. Compared with the conventional radio frequency (RF) band, the spectrum in OWC systems is much less congested and the interference is much lower. The OWC technol...Show More
Towards 6G: Machine Learning Driven Resource Allocation in Next Generation Optical Access Networks (Invited)
2022 European Conference on Optical Communication (ECOC)
Year: 2022 | Conference Paper |
Cited by: Papers (3)
6G networks will deliver immersive applications that bridge real and digital worlds. The next-generation optical access network is a potential optical transport solution. In view of dynamic network conditions, we propose a machine learning driven solution that rapidly self-adapts to support new 6G applications.Show More
Next-generation PONs are being considered as an optical transport solution for 6G mobile networks. Nonetheless, to support a heterogeneity of immersive services, challenges in meeting differing quality-of-service requirements in a dynamic network, must be addressed. These will be discussed following an overview of PON technology evolution.Show More
A Techno-Economic Study of Industry 5.0 Enterprise Deployments for Human-to-Machine Communications
IEEE Communications Magazine
Cited by: Papers (9)
Ongoing disruptions from the persistence of COVID–19 are providing a strong impetus for deploying Industry 5.0. With a focus on the collaboration between geographically separated humans and machines, Industry 5.0 is envisioned to boost productivity and efficiency on the factory floor and engage with customers from afar. Collaborative robots (cobots) will be extensions of the human body through bei...Show More
While pre-fifth and fifth generation networks have been designed mainly to support machine-to-machine and human-to-human communications via data, audio, and video communications, a major thrust of beyond fifth generation Networks is the abutment of human-to-machine/robot (H2M/R) collaboration. Such collaborations are deeply anchored in the vision of Society 5.0, which promotes a human-centered soc...Show More
Evolution of Short-Range Optical Wireless Communications
Ke Wang;Tingting Song;Yitong Wang;Chengwei Fang;Ampalavanapillai Nirmalathas;Christina Lim;Elaine Wong;Sithamparanathan Kandeepan
2022 Optical Fiber Communications Conference and Exhibition (OFC)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
4G to 6G: disruptions and drivers for optical access [Invited]
Chathurika Ranaweera;Jonathan Kua;Imali Dias;Elaine Wong;Christina Lim;Ampalavanapillai Nirmalathas
The exponential growth of diverse smart mobile applications such as smart monitoring, holograms, and autonomous vehicles are driving mobile technologies toward a more intelligent and software-defined communication system. This growing demand has led to the next giant leap in next-generation wireless communication technology, i.e., sixth-generation (6G) mobile technology, which anticipates providin...Show More
Intelligent Radio Resource Allocation for Human-Robot Collaboration
The recent surge in human-controlled robotics and haptic devices research is expediting a paradigm shift in today’s communication networks towards human-to-robot (H2R) centric technologies that support Industrial Internet of Things (IIoT) and Industry 5.0. In both IIoT and Industry 5.0, human skills are extended through collaboration with robots that are geographically separated from the human. De...Show More
Application Based Energy Optimization for Computation Offloading in Hierarchical MEC Network
Shanmuganathan Thananjeyan;Chien Aun Chan;Elaine Wong;Ampalavanapillai Nirmalathas
2021 10th International Conference on Information and Automation for Sustainability (ICIAfS)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
Multi-access edge computing (MEC) is an emerging solution for computation offloading issues of mobile applications that require very low latency and high computing capacity. Since MEC hosts can be deployed in a hierarchical network, energy efficiency in host selection and migration problems of computation offloading is a critical challenge for MEC service providers. In this paper, the energy optim...Show More
An Adaptable Contention-free MAC Protocol for Full-duplex Split-plane Optical Wireless Network
Sampath Edirisinghe;Chathurika Ranaweera;Elaine Wong;Christina Lim;Ampalavanapillai Nirmalathas
ICC 2021 - IEEE International Conference on Communications
Year: 2021 | Conference Paper |
Cited by: Papers (2)
Optical wireless communication (OWC) is emerging as a potential solution for the deployment of 5G and beyond! 6G heterogeneous networks as it can reach physical layer data rates exceeding 10 Gbps. However, the upper layer protocols of OWC are not yet fully developed to support multi user communication and emerging applications. Hence, the development of proper upper layer protocols and network arc...Show More
Universal optical network architecture for future wireless LANs [Invited]
Sampath Edirisinghe;Chathurika Ranaweera;Christina Lim;Ampalavanapillai Nirmalathas;Elaine Wong
Ultra-high-capacity indoor wireless connectivity is considered a key technology enabler to support end-to-end delivery of new services in the beyond-5G and 6G era. With physical layer data rates well beyond 10 Gbps, optical wireless communication (OWC) technology is positioning itself as a prospective candidate to support these services. While OWC is capable of handling multi-gigabit data rates in...Show More
Indoor optical wireless access networks—recent progress [Invited]
Ampalavanapillai Nirmalathas;Tingting Song;Sampath Edirisinghe;Ke Wang;Christina Lim;Elaine Wong;Chathurika Ranaweera;Kamal Alameh
Optical wireless access networks have seen rapid progress. With beam-steering capability, optical wireless communications can deliver very high capacity, support user mobility with indoor localization supported directly at the optical layer, be resilient against the blocking of beams by exploiting spatial diversity at the optical layer, and guarantee low-latency links with modified protocols and n...Show More
Achieving Low-Latency Human-to-Machine (H2M) Applications: An Understanding of H2M Traffic for AI-Facilitated Bandwidth Allocation
IEEE Internet of Things Journal
Cited by: Papers (23)
Human-controlled and haptic feedback data in emerging Tactile Internet human-to-machine (H2M) applications require stringent low-latency transmission. Understanding the traffic features of the new applications is vital in innovating network control and resource allocation strategies to meet their latency demand. In this article, we present our experimental study on human control and haptic feedbac...Show More
Control and Data Plane Separation for Interoperable Indoor Wireless Access Connectivity
Elaine Wong;Sampath Edirisinghe;Chathurika Ranaweera;Christina Lim;Ampalavanapillai Nirmalathas
2020 European Conference on Optical Communications (ECOC)
Year: 2020 | Conference Paper |
Cited by: Papers (2)
We present a centrally-controlled indoor network that harnesses data/control plane separation, virtualization of resources, and a high-capacity distribution architecture to achieve interoperability between OWC and competing wireless access technologies. Such a network could potentially support end-to-end delivery of heterogeneous services in the beyond-5G and 6G era.Show More
Novel Spatial Modulation Channel Index Detection in Optical Wireless Communications with Signal Space Diversity
Tingting Song;Elaine Wong;Ampalavanapillai Nirmalathas;Kamal Alameh;Christina Lim;Ke Wang
A novel spatial modulation channel index detection algorithm using a joint maximum-a-posteriori estimation is proposed for optical wireless communications with 4-CAP modulation and transmitter diversity. Diversity gain, enabling improvement of about 0.4dB in SNR and 1.5-times in data rate, is achieved with reduced computation complexity.Show More
Mobility-Aware Energy Optimization in Hosts Selection for Computation Offloading in Multi-Access Edge Computing
Shanmuganathan Thananjeyan;Chien Aun Chan;Elaine Wong;Ampalavanapillai Nirmalathas
Multi-access edge computing (MEC) has been proposed as an approach capable of addressing latency and bandwidth issues in application computation offloading to extend the capabilities beyond the computational and storage limitations of mobile devices. However, there is a critical challenge in MEC to maintain the service continuity between the offloaded user application that is running on the MEC ho...Show More
Enabling Remote Human-to-Machine Applications With AI-Enhanced Servers Over Access Networks
Sourav Mondal;Lihua Ruan;Martin Maier;David Larrabeiti;Goutam Das;Elaine Wong
The recent research trends for achieving ultra-reliable and low-latency communication networks are largely driven by smart manufacturing and industrial Internet-of-Things applications. Such applications are being realized through Tactile Internet that allows users to control remote things and involve the bidirectional transmission of video, audio, and haptic data. However, the end-to-end propagati...Show More
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