Results 51 to 60 of about 231,801 (304)
Multiuser Diversity Over Parallel and Hybrid FSO/RF Links and Its Performance Analysis
IEEE Photonics Journal, 2016 Hybrid free-space optical (FSO)/radio-frequency (RF) communication has emerged as an effective solution for high-data-rate wireless transmission. In this paper, multiuser diversity over parallel and hybrid FSO/RF links is discussed.
Li Chen, Weidong Wang, Chi Zhang
doaj +1 more source
Deep Learning Framework for Wireless Systems: Applications to Optical Wireless Communications
, 2018 Optical wireless communication (OWC) is a promising technology for future wireless communications owing to its potentials for cost-effective network deployment and high data rate.
Lee, Hoon +3 more
core +1 more source
Impact of Pointing Errors on the Performance of Mixed RF/FSO Dual-Hop Transmission Systems [PDF]
, 2013 In this work, the performance analysis of a dual-hop relay transmission system composed of asymmetric radio-frequency (RF)/free-space optical (FSO) links with pointing errors is presented.
Alouini, Mohamed-Slim +2 more
core +2 more sources
Optical and quantum electronics, 2021 Light fidelity (LiFi) has successfully achieved high data transfer rates, high security, great availability, and low interference. In this paper, we propose a LiFi system consisting of a combination of non-orthogonal multi-access (NOMA), asymmetrically ...
Hamis Hesham, Tawfik Ismail
semanticscholar +1 more source
Optical Wireless Communications for In-Body and Transdermal Biomedical Applications [PDF]
IEEE Communications Magazine, 2020 This article discusses the fundamental architectures for optical-wireless-systems for biomedical-ap-plications. After summarizing the main applications and reporting their requirements, we describe the characteristics of the transdermal and in-body ...
Alexandros-Apostolos A. Boulogeorgos +2 more
semanticscholar +1 more source
Optical wireless communications for micromachines
SPIE Proceedings, 2006 A key challenge for wireless sensor networks is minimizing the energy required for network nodes to communicate with each other, and this becomes acute for self-powered devices such as 'smart dust'. Optical communications is a potentially attractive solution for such devices.
O'Brien, D +6 more
openaire +2 more sources
Unified Performance Analysis of Mixed Line of Sight RF-FSO Fixed Gain Dual-Hop Transmission Systems [PDF]
, 2014 In this work, we carry out a unified performance analysis of a dual-hop fixed gain relay system over asymmetric links composed of both radio-frequency (RF) and unified free-space optics (FSO) under the effect of pointing errors. The RF link is modeled by
Alouini, Mohamed-Slim +2 more
core +1 more source
Deep Learning Aided Signal Detection for SPAD-Based Underwater Optical Wireless Communications
IEEE Access, 2020 In underwater optical wireless communication (UOWC) systems, using single photon avalanche photondiode (SPAD) as the detector can improve the transmission distance. However, the signal detection for SPAD-based systems is greatly challenged by the complex
Rui Jiang +5 more
semanticscholar +1 more source
Measuring the Gap Between the Maximum Predictability and Prediction Accuracy of Human Mobility
IEEE Access, 2020 It has been claimed that human mobility is highly predictable and an upper bound of 93% predictability is achievable. However, there is a significant gap between the upper bound of predictability and the actual prediction accuracy in many data sets. This
Junyao Guo +3 more
doaj +1 more source
Synchrotron Radiation for Quantum Technology
Advanced Functional Materials, EarlyView.Materials and interfaces underpin quantum technologies, with synchrotron and FEL methods key to understanding and optimizing them. Advances span superconducting and semiconducting qubits, 2D materials, and topological systems, where strain, defects, and interfaces govern performance.
Oliver Rader +10 more
wiley +1 more source