New Optical Wireless Frontier: Design Challenges of Multi Gigabit Wireless

Grant number: DP170100268 | Funding period: 2017 - 2021

Completed

Abstract

This project aims to improve the coverage, mobile access, miniaturisation, bandwidth and networking of optical wireless. As connected machines become the primary consumers of the Internet, technologies for wirelessly connecting devices, processors, storage and display devices at very high speeds become necessary for mission critical services and applications. Gigabit wireless access needs to overcome shortages in the radio-frequency spectrum and provide scalable bandwidth and wider coverage. Optical wireless transmission is a real alternative to current wireless systems because its connection speed of tens of gigabits/second means it can work efficiently with wired optical networking technol..

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Related publications (37)

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Evolution of Short-Range Optical Wireless Communications

K Wang, T Song, Y Wang, C Fang, J He, A Nirmalathas, C Lim, E Wong, S Kandeepan

2023-02-15

The optical wireless communication (OWC) technology explores the broad unregulated optical spectrum to provide high-speed wireless..

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Investigation on Orbital Angular Momentum Mode-Based Beam Shaping for Indoor Optical Wireless Communications

Jianghao Li, Qi Yang, Xiaoxiao Dai, Christina Lim, Ampalavanapillai Nirmalathas

2022-12-15

In this paper, we report a novel indoor optical wireless communications system employing orbital angular momentum (OAM) mode-based..

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Demonstration of Spatial Modulation Using a Novel Active Transmitter Detection Scheme with Signal Space Diversity in Optical Wireless Communications

Tingting Song, Ampalavanapillai Nirmalathas, Christina Lim

2022-11-01

Line-of-sight (LOS) indoor optical wireless communications (OWC) enable a high data rate transmission while potentially suffering ..

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Comparison of Adaptive Equalization Methods for Improving Indoor Optical Wireless Communications Employing Few-Mode Based Uniform Beam Shaping

Jianghao Li, Christina Lim, Ampalavanapillai Nirmalathas

2022-06-15

Few-mode based uniform beam shaping exploiting the use of different spatial modes has been recently shown to improve the system re..

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Investigation on repetition-coding and space-time-block-coding for indoor optical wireless communications employing beam shaping based on orbital angular momentum modes

Jianghao Li, Qi Yang, Xiaoxiao Dai, Christina Lim, Ampalavanapillai Nirmalathas

2022-06-06

In this paper, we propose a novel beam shaping technique based on orbital angular momentum (OAM) modes for indoor optical wireless..

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Few-Mode Based Beam Shaping for Multi-User Indoor Optical Wireless Communications With Time-Slot Coding

Jianghao Li, Christina Lim, Ampalavanapillai Nirmalathas

2022-02-01

We propose a novel indoor optical wireless communications (OWC) system using few-mode based beam shaping integrating time-slot cod..

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Optical Wireless Communications Using Signal Space Diversity with Spatial Modulation

Tingting Song, Christina Lim, Ampalavanapillai Nirmalathas, Ke Wang

2021-11-01

A signal space diversity (SSD) scheme was proposed to be incorporated with spatial modulation (SM) in an intensity-modulation/dire..

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Universal optical network architecture for future wireless LANs [Invited]

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

2021-09-01

Ultra-high-capacity indoor wireless connectivity is considered a key technology enabler to support end-to-end delivery of new serv..

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Recurrent neural network FPGA hardware accelerator for delay-tolerant indoor optical wireless communications.

Jeonghun Lee, Tingting Song, Jiayuan He, Sithamparanathan Kandeepan, Ke Wang

2021-08-02

The optical wireless communication (OWC) system has been widely studied as a promising solution for high-speed indoor applications..

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Indoor optical wireless access networks-recent progress [Invited]

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

2021-02-01

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

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Machine learning techniques in radio-over-fiber systems and networks

J He, J Lee, S Kandeepan, K Wang

2020-12-01

The radio-over-fiber (RoF) technology has been widely studied during the past decades to extend the wireless communication coverag..

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Demonstration of High-speed Indoor Optical Wireless Communications using Few-mode Based Uniform Beam Shaping

J Li, C Lim, A Nirmalathas, N O'Keefe, KL Lee

2020-10-04

A high-speed indoor optical wireless communications link using few-mode based uniform beam shaping is experimentally demonstrated...

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Delay-Tolerant indoor optical wireless communication systems based on attention-Augmented recurrent neural network

J He, J Lee, T Song, H Li, S Kandeepan, K Wang

2020-09-01

The optical wireless communication (OWC) system has been widely studied as a promising candidate for indoor high-speed wireless co..

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Indoor Optical Wireless Communications using Few-mode Based Uniform Beam Shaping and LMS Based Adaptive Equalization

J Li, C Lim, A Nirmalathas

2020-09-01

An indoor optical wireless communication system employing few-mode based uniform beam shaping and adaptive LMS equalization is dem..

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Optical Wireless Communications Adopting Delay-Tolerant Repetition-Coding With Orthogonal-Filters and On-Demand Equalization

Tingting Song, Ampalavanapillai Nirmalathas, Christina Lim, Elaine Wong, Ka-Lun Lee, Kamal Alameh, Ke Wang

2020-08-15

Transmitter diversity schemes, such as repetition coding (RC), can tackle the optical channel blockage issue in high-speed line-of..

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Control and Data Plane Separation for Interoperable Indoor Wireless Access Connectivity

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

2020-01-01

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

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Gigabit/s Optical Wireless Access and Indoor Networks

TA Nirmalathas, T Song, S Edirisinghe, L Tian, C Lim, E Wong, K Wang, C Ranaweera, K Alameh

2020-01-01

Optical wireless networks are being explored as a wireless alternative for provision of multi gigabits/second wireless and this pa..

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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

2020-01-01

A novel spatial modulation channel index detection algorithm using a joint maximum-a-posteriori estimation is proposed for optical..

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MAC protocol for indoor optical wireless networks

S Edirisinghe, C Lim, A Nirmalathas, E Wong, C Ranaweera, K Wang, K Alameh

2019-11-03

Optical wireless communication has emerged as a promising candidate for future high data rate indoor applications such as virtual ..

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Performance Analysis of Repetition-Coding and Space-Time-Block-Coding as Transmitter Diversity Schemes for Indoor Optical Wireless Communications

Tingting Song, Ampalavanapillai Nirmalathas, Christina Lim, Elaine Wong, Ka-Lun Lee, Yang Hong, Kamal Alameh, Ke Wang

2019-10-15

The benefits of 2 × 1 multiple-inputs-single-output scheme for transmitter diversity in the infrared indoor optical wireless commu..

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Recurrent neural network (RNN) for delay-tolerant repetition-coded (RC) indoor optical wireless communication systems

Jiayuan He, Jeonghun Lee, Tingting Song, Hongtao Li, Sithamparanathan Kandeepan, Ke Wang

2019-08-01

Indoor optical wireless communications have been widely studied to provide high-speed connections to users, where the use of repet..

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A Novel Network Architecture for Indoor Optical Wireless Communication

S Edirisinghe, C Ranaweera, E Wong, C Lim, A Nirmalathas

2019-06-01

© 2019 IEEE. Optical wireless communication is emerging as a potential wireless networking alternative, made possible with the pro..

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Delay-Tolerant Repetition-Coding for Optical Wireless Communications

T Song, K Wang, A Nirmalathas, C Lim, E Wong, K Alameh

2019-04-22

© 2019 OSA. Delay-tolerant orthogonal-filters based repetition coded optical wireless communications are proposed to solve the cri..

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Experimental Demonstration of Indoor Infrared Optical Wireless Communications With a Silicon Photonic Integrated Circuit

Ke Wang, Zeshi Yuan, Elaine Wong, Kamal Alameh, Hongtao Li, Kandeepan Sithamparanathan, Efstratios Skafidas

2019-01-15

The optical wireless technology has great potential in realizing high-speed wireless communications in indoor applications, and th..

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High-Speed Reconfigurable Free-Space Optical Interconnects with Carrierless-Amplitude-Phase Modulation and Space-Time-Block Code

Ke Wang, Christina Lim, Elaine Wong, Kamal Alameh, Sithamparanathan Kandeepan, Efstratios Skafidas

2019-01-15

High-speed interconnects are highly demanded in data centers and high-performance computing, and the use of optical interconnects ..

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High-speed indoor optical wireless communication system employing a silicon integrated photonic circuit

Ke Wang, Ampalavanapillai Nirmalathas, Christina Lim, Elaine Wong, Kamal Alameh, Hongtao Li, Efstratios Skafidas

2018-07-01

Beam-steering-based optical wireless technologies are being widely investigated due to the capability of providing high-speed wire..

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On the Performance of Probabilistically-shaped CAP over Optical Wireless Communications

Y Hong, T Song, Y Shao, LK Chen, C Lim, KL Lee, A Nirmalathas, E Wong

2018-07-01

© 2018 IEEE. We propose and experimentally demonstrate the first probabilistically-shaped CAP (PS-CAP) for OWC. For a 12.5-Gbit/s ..

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Demonstration of Indoor Optical Wireless Communications with Spatial Diversity Using Repetition-Coding and Space-Time-BlockCoding

T Song, K Wang, A Nirmalathas, C Lim, E Wong, K Alameh

2018-01-01

© 2018 IEEE. Indoor optical wireless communications at 10 Gb/s with spatial diversity using repetition-coding and space-timeblock-..

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Dynamic Tuning of Contention Window for Optical Wireless Networks

Sampath Edirisinghe, Christina Lim, Ampalavanapillai Nirmalathas, Elaine Wong, Ke Wang, Kamal Alameh

2018-01-01

We propose a novel contention window tuning algorithm for multi-gigabit optical wireless networks based on IEEE 802.11 standard th..

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Experimental Demonstration of a 12.5 Gb/s Indoor Optical Wireless Communication System with Silicon Integrated Photonic Circuit

Ke Wang, Ampalavanapillai Nirmalathas, Christina Lim, Elaine Wong, Kamal Alameh, Hongtao Li, Efstratios Skafidas

2018-01-01

A high-speed indoor infrared optical wireless communication system using silicon photonics integrated beam steering circuit is exp..

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Indoor infrared optical wireless localization system with background light power estimation capability

Ke Wang, Ampalavanapillai Nirmalathas, Christina Lim, Kamal Alameh, Hongtao Li, Efstratios Skafidas

2017-09-18

The indoor user localization function is in high demand for high-speed wireless communications, navigations and smart-home applica..

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Time-Slot Coding Scheme With Adaptive Loading Function for Multiple Access in Indoor Optical Wireless Communications

Tian Liang, Ke Wang, Christina Lim, Elaine Wong, Tingting Song, Ampalavanapillai Nirmalathas

2017-09-15

Optical wireless communications have been well studied as a potential technique to achieve data rates exceeding several gigabits/s..

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Secure multiple access for indoor optical wireless communications with time-slot coding and chaotic phase

Tian Liang, Ke Wang, Christina Lim, Elaine Wong, Tingting Song, Ampalavanapillai Nirmalathas

2017-09-04

In this paper, we report a novel mechanism to simultaneously provide secure connections for multiple users in indoor optical wirel..

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Experimental Demonstration of Time-slot Coding Scheme for Multiple Access in High-speed Optical Wireless Communications with Imaging Receiver

Tian Liang, Christina Lim, Elaine Wong, Tingting Song, Ampalavanapillai Nirmalathas, Ke Wang

2017-01-01

In this paper the time-slot coding scheme is experimentally demonstrated using imaging receiver to provide multiple access for ind..

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Four-Wave-Mixing Based Silicon Integrated Optical Isolator with Dynamic Non-Reciprocity

Ke Wang, Shitao Gao, Yang Wang, Ampalavanapillai Nirmalathas, Christina Lim, Kamal Alameh, Hongtao Li, Efstratios Skafidas

2017-01-01

A silicon integrated optical isolator with dynamic non-reciprocity based on the four-wave-mixing nonlinear effect is proposed and ..

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Silicon Integrated Optical Devices

Ke Wang, Yang Wang, Shitao Gao, Ampalavanapillai Nirmalathas, Christina Lim, Kamal Alameh, Hongtao Li, Efstratios Skafidas

2017-01-01

In this talk, our recent research on silicon integrated optical devices will be discussed, including the circular Bragg reflector,..

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Space-Time-Coded Reconfigurable Card-to-Card Optical Interconnects with Broadcast Capability

Ke Wang, Ampalavanapillai Nirmalathas, Christina Lim, Kamal Alameh, Hongtao Li, Efstratios Skafidas

2017-01-01

A space-time coded reconfigurable card-to-card freespace optical interconnect with broadcast capability is proposed and experiment..