Results 61 to 70 of about 2,608 (229)

Wavelet—Artificial Neural Network Receiver for Indoor Optical Wireless Communications [PDF]

, 2011
The multipath induced intersymbol interference (ISI) and fluorescent light interference (FLI) are the two most important system impairments that affect the performance of indoor optical wireless communication (OWC) systems.
Ghassemlooy, Zabih, M. Angelova, Z. Ghassemlooy, Angelova, Maia, Rajbhandari, Sujan, S. Rajbhandari   +5 more
core   +1 more source

Ultrasound‐Powered, Battery‐Free Implants via Triboelectric Energy Harvesting

Advanced Materials Technologies, Volume 11, Issue 2, 22 January 2026.
Ultrasound‐driven triboelectric nanogenerators (US‐TENGs) present a promising approach to battery‐free implants by combining body‐safe ultrasound with the material and structural versatility of TENGs. This review categorizes current US‐TENG research into long‐term and transient short‐term applications and discusses key challenges in materials, device ...
Youngwook Chung, Saswat Choudhury, Young‐Jun Kim, In‐Yong Suh, Keren Dai, Sang‐Woo Kim   +5 more
wiley   +1 more source

A 70 GHz 10.2 mW self-demodulator for OOK modulation in 65-nm CMOS technology [PDF]

, 2010
A 70.86 to 79.29 GHz low-power self-demodulator for on-off-keying (OOK) modulation is realized in TSMC 65-nm CMOS technology. By using a frequency-sweeping injection-locked oscillator (IJLO), the OOK modulated 70 GHz signal is demodulated by itself in a ...
Zeijl, PTM Paul van, Milosevic, D Dusan, Baltus, P.G.M., van Zeijl, Paul, Li, X Xia, Li, X., Roermund, AHM Arthur van, Milosevic, D., Baltus, PGM Peter, Baltus, P.G.M.; id_orcid, Roermund, van, A.H.M.   +10 more
core   +1 more source

Utilizing Single Lightwave for Delivering Baseband/FSO/MMW Traffics Simultaneously in PON Architecture

IEEE Access, 2019
In this work, we demonstrate an integrated optical baseband, free space optical (FSO) communication and millimeter-wave (MMW) traffics through the present passive optical network (PON) architecture by utilizing single wavelength for broadcasting triple ...
Chien-Hung Yeh, Wen-Piao Lin, Chien-Ming Luo, Yue-Ru Xie, Yao-Jen Chang, Chi-Wai Chow   +5 more
doaj   +1 more source

MAC Protocol Design for Optical Wireless Body‐Area Networks: Latency, Energy Efficiency and Scalability Analysis

IET Networks, Volume 15, Issue 1, January/December 2026.
This work investigates suitable MAC protocols for medical optical wireless body‐area networks (WBANs), focussing on multiple access management. Using realistic channel models, we evaluate the network performance in terms of energy efficiency, quality‐of‐service and scalability for different IEEE protocols, for both intra‐ and extra‐WBAN connectivity in
Christos Giachoudis, Mohammad‐Ali Khalighi, Stanislav Zvanovec, Vasilis K. Papanikolaou, Sotiris A. Tegos, George K. Karagiannidis   +5 more
wiley   +1 more source

Performance Analysis of OOK-NRZ and OOK-RZ digital Modulation Techniques for Free Space Optical Communication System

, 2017
The performance of modulation techniques is frequently compared in terms of the average received optical power required to achieve a desired bit error rate at a given data rate.
, Er. Manjit Singh Bhullar, Er. Harpreet Kaur, Er. Harisharan Aggarwal
core   +1 more source

Mid‐Infrared Free‐Space Optical Communications: Technologies, Demonstrations and Future Directions

IET Optoelectronics, Volume 20, Issue 1, January/December 2026.
Free‐space optical (FSO) communication is increasingly extending beyond the near‐infrared to the mid‐wave infrared (MWIR) and long‐wave infrared (LWIR) regions, which offer reduced turbulence, scattering and absorption for more robust links. This review summarises recent advances in MWIR/LWIR FSO technologies, including quantum cascade lasers, lithium ...
Darja Cirjulina, Zhuoyan Zhang, Abdul Hayee, Armands Ostrovskis, Richard Schatz, Hamza Dely, Yan‐Ting Sun, Toms Salgals, Sandis Spolitis, Vjaceslavs Bobrovs, Lu Zhang, Djamal Gacemi, Angela Vasanelli, Carlo Sirtori, Xianbin Yu, Oskars Ozolins, Xiaodan Pang   +16 more
wiley   +1 more source

Demonstration of 80 Gbps NRZ-OOK electro-absorption modulation of InP-on-Si DFB laser diodes [PDF]

, 2019
High-speed electro-absorption modulation of a heterogeneously integrated InP-on-Si DFB laser diode is used for the transmission of an 80 Gbps NRZ-OOK signal over 2 km of NZ-DSF link below the hard-decision forward-error-correction threshold. (C) 2019 The
Ossieur, Peter, Breyne, Laurens, Gunther Roelkens, Abbasi, Amin, Joris Van Kerrebrouck, Johan Bauwelinck, Peter Ossieur, Laurens Breyne, Geert Morthier, Amin Abbasi, Yin, Xin, Roelkens, Günther, Kasper Van Gasse, Xin Yin, Shahin, Mahmoud, Rahimi Vaskasi, Javad, Morthier, Geert, Mahmoud Shahin, Van Gasse, Kasper, Muhammad Muneeb, Van Kerrebrouck, Joris, Javad Rahimi Vaskasi, Muneeb, Muhammad, Bauwelinck, Johan   +23 more
core   +1 more source

Rigorous Performance Characterisation of AI‐Enhanced 6G Underwater Optical Wireless Networks: Link Budget Correction and Empirical Gain Validation

IET Optoelectronics, Volume 20, Issue 1, January/December 2026.
This document presents a revised mathematical framework for underwater 6G networks addressing common mistakes in research that result in overly optimistic outcomes. By employing established physical models and stringent technical limitations, we create a self‐validated benchmark of 776 Mbps over a distance of 44.8 m in clear ocean water with ...
Yousuf Islam, Md. Imam Hossain, Md. Jehadul Islam Mony   +2 more
wiley   +1 more source

Underwater Wireless Power Transfer for Unmanned Systems: State‐of‐the‐Art Review

IET Power Electronics, Volume 19, Issue 1, January/December 2026.
This comprehensive review presents the state‐of‐the‐art in underwater wireless power transfer (UWPT) systems, focusing on magnetic field‐coupled or inductive power transfer (IPT) technologies for underwater unmanned equipment. ABSTRACT Underwater wireless power transfer (UWPT) systems are finding increasing use in underwater unmanned equipment, among ...
Shiqi Li, Shaochun Hou, Huan Wu, Bo Luo
wiley   +1 more source