Results 61 to 70 of about 1,149,379 (214)

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

Polarization-Insensitive Phase-Transmultiplexing and Multicasting of CSRZ-OOK and 4 $\times$ RZ-BPSK to 4 $\times$ RZ-QPSK via XPM in a Birefringent PCF

IEEE Photonics Journal, 2014
By utilizing cross-phase modulation and birefringence, we demonstrated simultaneous polarization-insensitive phase-transmultiplexing and multicasting of a single 10-Gbaud CSRZ-OOK signal and 4 $\times$ 10-Gbaud RZ-BPSK signals to generate 4 $\times$ 10-
B. M. Cannon, T. Mahmood, W. Astar, P. Boudra, T. Mohsenin, Gary M. Carter   +5 more
doaj   +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

An FSK and OOK Compatible RF Demodulator for Wake Up Receivers

Journal of Low Power Electronics and Applications, 2015
This work proposes a novel demodulation circuit to address the implementation of Wake-Up Receivers (Wu-Rx) in Wireless Sensor Nodes (WSN). This RF demodulator, namely Modulated Oscillator for envelOpe Detection (MOOD), is compatible with both FSK and OOK/
Thierry Taris, Hassène Kraimia, Didier Belot, Yann Deval   +3 more
doaj   +1 more source

A Comprehensive Review of Battery‐Free Energy Efficient RF and Microwave Systems

Journal of Engineering, Volume 2026, Issue 1, 2026.
Battery‐free radiofrequency (RF) and microwave systems have emerged as a promising solution for enabling long‐lifetime, maintenance‐free wireless sensing and communication platforms by eliminating conventional battery dependence. These systems operate by harvesting ambient or dedicated electromagnetic energy, converting it to usable electrical power ...
Stella N. Arinze, Augustine O. Nwajana, Vijayanandh Raja   +2 more
wiley   +1 more source

Study on separated double pulse position modulation and its performance

Tongxin xuebao, 2009
Separated double pulse position modulation（SDPPM） in wireless ultraviolet communication was presented.The structure of the SDPPM was described in detail.Requirements of the power and the bandwidth for SDPPM were analyzed and the BER was derived.Then ...
XU Zhi-yong1, SHEN Lian-feng1, WANG Jing-yuan2, LIU Ye2   +3 more
doaj   +2 more sources

Visual Cell OOK Modulation : A Case Study of MIMO CamCom

The Journal of Korean Institute of Communications and Information Sciences, 2013
Multiplexing information over parallel data channels based on RF MIMO concept is possible to achieve considerable data rates over large transmission ranges with just a single transmitting element. Visual multiplexing MIMO techniques will send independent streams of bits using the multiple elements of the light transmitter array and recording over a ...
Nam-Tuan Le, Yeong Min Jang
openaire   +2 more sources

OOK Harmonic Rectifier-Modulator for Self-Aligning Wireless IoT Sensor Nodes With Uncompromised Efficiency

IEEE Access
This paper presents a harmonic based on-off keying (OOK) rectifier-modulator (HRM) for energy efficient battery-less self-aligning wireless sensor nodes.
Geonwoo Lee, Namkyung Lee, Juntaek Oh
doaj   +1 more source

THz Wireless Transmission Systems Based on Photonic Generation of Highly Pure Beat-Notes

IEEE Photonics Journal, 2016
In this paper, a terahertz (THz) wireless communication system at 400 GHz with various modulation formats [on–off keying (OOK), quadrature phase-shift keying (QPSK), 16-quadrature amplitude modulation (16-QAM), and 32-quadrature amplitude ...
Shi Jia, Xianbin Yu, Hao Hu, Jinlong Yu, Toshio Morioka, Peter U. Jepsen, Leif K. Oxenlowe   +6 more
doaj   +1 more source

Compressing Turbulence Effect in FSO using New Modulation Technique

MATEC Web of Conferences, 2017
Diffusers transmitter modulation to reduce the effect of atmospheric turbulence in free space optical communication system is described in this paper.
Mohamed Nawawi Norizan, Mat Safar Anuar, Rahman Kram Abdul, Rashidi C.B.M., Mohd Nordin Junita   +4 more
doaj   +1 more source