131 citations · 340 across the 34 of their papers we have counts for
22 papers · 1 filter
Single-Photon Counting Receivers for Optical Wireless Communications in Future 6G Networks
Shenjie Huang, Danial Chitnis, Cheng Chen +4
Optical wireless communication (OWC) offers several complementary advantages to radio-frequency wireless networks such as its massive available spectrum; hence, it is widely antici…
Design and Optimisation of High-Speed Receivers for 6G Optical Wireless Networks
Elham Sarbazi, Hossein Kazemi, Michael Crisp +6
To achieve multi-Gb/s data rates in 6G optical wireless access networks based on narrow infrared (IR) laser beams, a high-speed receiver with two key specifications is needed: a su…
SPAD-Based Optical Wireless Communication with ACO-OFDM
Shenjie Huang, Cheng Chen, Mohammad Dehghani Soltani +3
The sensitivity of the optical wireless communication (OWC) can be effectively improved by employing the highly sensitive single-photon avalanche diode (SPAD) arrays. However, the…
Optimal Power Allocation for Integrated Visible Light Positioning and Communication System with a Single LED-Lamp
Shuai Ma, Ruixin Yang, Bing Li +6
In this paper, we investigate an integrated visible light positioning and communication (VLPC) system with a single LED-lamp. First, by leveraging the fact that the VLC channel mod…
Terabit Indoor Laser-Based Wireless Communications: LiFi 2.0 for 6G
Mohammad Dehghani Soltani, Hossein Kazemi, Elham Sarbazi +18
This paper provides a summary of available technologies required for implementing indoor laser-based wireless networks capable of achieving aggregate data-rates of terabits per sec…
Performance Analysis of SPAD-Based Optical Wireless Communication with OFDM
Shenjie Huang, Yichen Li, Cheng Chen +4
In recent years, there has been a growing interest in the use of single-photon avalanche diode (SPAD) in optical wireless communication (OWC). SPAD operates in the Geiger mode and…
High-Speed Imaging Receiver Design for 6G Optical Wireless Communications: A Rate-FOV Trade-Off
Mohammad Dehghani Soltani, Hossein Kazemi, Elham Sarbazi +6
The design of a compact high-speed and wide field of view (FOV) receiver is challenging due to the presence of two well-known trade-offs. The first one is the area-bandwidth trade-…
5 Gbps Optical Wireless Communication Using Commercial SPAD Array Receivers
Shenjie Huang, Cheng Chen, Rui Bian +2
Photon counting detectors such as single-photon avalanche diode (SPAD) arrays can be utilized to improve the sensitivity of optical wireless communication (OWC) systems. However, t…
A VCSEL Array Transmission System with Novel Beam Activation Mechanisms
Zhihong Zeng, Mohammad Dehghani Soltani, Majid Safari +1
Optical wireless communication (OWC) is considered to be a promising technology which will alleviate traffic burden caused by the increasing number of mobile devices. In this study…
Time-Gated Photon Counting Receivers for Optical Wireless Communication
Shenjie Huang, Majid Safari
Photon counting detectors such as single-photon avalanche diode (SPAD) arrays are commonly considered for reliable optical wireless communication at power limited regimes. However,…
A Tb/s Indoor MIMO Optical Wireless Backhaul System Using VCSEL Arrays
Hossein Kazemi, Elham Sarbazi, Mohammad Dehghani Soltani +6
In this paper, the design of a multiple-input multiple-output (MIMO) optical wireless communication (OWC) link based on vertical cavity surface emitting laser (VCSEL) arrays is sys…
Safety Analysis for Laser-based Optical Wireless Communications: A Tutorial
Mohammad Dehghani Soltani, Elham Sarbazi, Nikolaos Bamiedakis +7
Light amplification by stimulated emission of radiation (laser) sources have many advantages for use in high data rate optical wireless communications. In particular, the low cost…
SPAD-Based Optical Wireless Communication with Signal Pre-Distortion and Noise Normalization
Shenjie Huang, Majid Safari
In recent years, there has been a growing interest in exploring the application of single-photon avalanche diode (SPAD) in optical wireless communication (OWC). As a photon countin…
Hybrid LiFi and WiFi Networks: A Survey
Xiping Wu, Mohammad Dehghani Soltani, Lai Zhou +2
To tackle the rapidly growing number of mobile devices and their expanding demands for Internet services, network convergence is envisaged to integrate different technology domains…
Multi-Hop Wireless Optical Backhauling for LiFi Attocell Networks: Bandwidth Scheduling and Power Control
Hossein Kazemi, Majid Safari, Harald Haas
The backhaul of hundreds of light fidelity (LiFi) base stations (BSs) constitutes a major challenge. Indoor wireless optical backhauling is a novel approach whereby the interconnec…
Performance Analysis of SPAD-based OFDM
Yichen Li, Majid Safari, Robert Henderson +1
In this paper, an analytical approach for the nonlinear distorted bit error rate performance of optical orthogonal frequency division multiplexing (O-OFDM) with single photon avala…
Impact of Device Orientation on Error Performance of LiFi Systems
Mohammad Dehghani Soltani, Ardimas Andi Purwita, Iman Tavakkolnia +2
Most studies on optical wireless communications (OWCs) have neglected the effect of random orientation in their performance analysis due to the lack of a proper model for the rando…
Game-Theoretic Spectrum Trading in RF Relay-Assisted Free-Space Optical Communications
Shenjie Huang, Vahid Shah-Mansouri, Majid Safari
This work proposes a novel hybrid RF/FSO system based on a game theoretic spectrum trading process. It is assumed that no RF spectrum is preallocated to the FSO link and only when…
Modeling the Random Orientation of Mobile Devices: Measurement, Analysis and LiFi Use Case
Mohammad Dehghani Soltani, Ardimas Andi Purwita, Zhihong Zeng +2
Light-fidelity (LiFi) is a networked optical wireless communication (OWC) solution for high-speed indoor connectivity for fixed and mobile optical communications. Unlike convention…
Spatial-Mode Diversity and Multiplexing for FSO Communication with Direct Detection
Shenjie Huang, Gilda Raoof Mehrpoor, Majid Safari
This work investigates spatial-mode multiplexing (SMM) for practical free-space optical communication (FSO) systems using direct detection. Unlike several works in the literature w…
Bidirectional User Throughput Maximization Based on Feedback Reduction in LiFi Networks
Mohammad Dehghani Soltani, Xiping Wu, Majid Safari +1
Channel adaptive signalling, which is based on feedback, can result in almost any performance metric enhancement. Unlike the radio frequency (RF) channel, the optical wireless comm…
Signaling on the Continuous Spectrum of Nonlinear Optical fiber
Iman Tavakkolnia, Majid Safari
This paper studies different signaling techniques on the continuous spectrum (CS) of nonlinear optical fiber defined by nonlinear Fourier transform. Three different signaling techn…