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Adding photovoltaic (PV) systems in distribution networks, while desirable for reducing the carbon footprint, can lead to voltage violations under high solar-low load conditions. The inability of traditional volt-VAr control in eliminating…

系统与控制 · 电气工程与系统科学 2023-11-07 Dhaval Dalal , Madhura Sondharangalla , Raja Ayyanar , Anamitra Pal

Visible light communication (VLC) is an emerging technology and considered as an alternative to overcome some of the disadvantages of radio frequency communication technology in an indoor environment. However, the line of sight nature of…

系统与控制 · 电气工程与系统科学 2023-06-27 M. A. N. Perera , N. G. K. R. Wijewardhana , A. A. D. T Nissanka , S. A. H. A. Suraweera , G. M. R. I. Godaliyadda

We evaluate near-field thermophotovoltaic (TPV) energy conversion systems focusing in particular on their open-circuit voltage (Voc). Unlike previous analyses based largely on numerical simulations with fluctuational electrodynamics, here,…

光学 · 物理学 2021-07-27 Georgia T. Papadakis , Meir Orenstein , Eli Yablonovitch , Shanhui Fan

Numerical simulation of a solar cell can provide various information that can be useful to maximize its power conversion efficiency (PCE). In that respect we carried out a set of numerical simulation using AFORS-HET simulation program.…

光学 · 物理学 2024-05-13 S. M. Iftiquar , J. Yi

Dynamical theories for piezotronic and piezo-phototropic devices are incomplete. In this work, we aim to establish a theoretical method for modelling dynamic characteristics of devices exhibiting these two emerging phenomena. By taking the…

应用物理 · 物理学 2018-02-14 Leisheng Jin , Xiaohong Yan , Xiangfu Wang , Lijie Li

We propose a novel radio-frequency (RF) receiving architecture based on micro-electro-mechanical system (MEMS) and optical coherent detection module. The architecture converts the received electrical signal into mechanical vibration through…

信号处理 · 电气工程与系统科学 2020-10-12 Shanchi Wu , Chen Gong , Chengjie Zuo , Shangbin Li , Junyu Zhang , Zhongbin Dai , Kai Yang , Ming Zhao , Rui Ni , Zhengyuan Xu , Jinkang Zhu

Visible Light Positioning (VLP) has emerged as a promising technology capable of delivering indoor localization with high accuracy. In VLP systems that use Photodiodes (PDs) as light receivers, the Received Signal Strength (RSS) is affected…

机器人学 · 计算机科学 2024-04-30 Xiao Sun , Yuan Zhuang , Xiansheng Yang , Jianzhu Huai , Tianming Huang , Daquan Feng

As a power and bandwidth efficient modulation scheme, the optical spatial modulation (SM) technique has recently drawn increased attention in the field of visible light communications (VLC). To guarantee the number of bits mapped by the…

信息论 · 计算机科学 2018-07-27 Jin-Yuan Wang , Hong Ge , Jian-Xia Zhu , Jun-Bo Wang , Jianxin Dai , Min Lin

The main challenge in visible light communications (VLC) is the low modulation bandwidth of light-emitting diodes (LEDs). This forms a barrier towards achieving high data rates. Moreover, the implementation of high order modulation schemes…

信息论 · 计算机科学 2021-04-12 Hanaa Abumarshoud , Lina Mohjazi , Sami Muhaidat

Increased distributed Photo-Voltaic (PV) generation leads to an increase in voltages and unwarranted backflows into the grid. This paper investigates Demand Response (DR) with Electric Water Heaters (EWHs) as a way to increase the PV…

系统与控制 · 计算机科学 2014-08-08 Xiangkun Li , Theodor Borsche , Göran Andersson

Hybrid Radio Frequency/ Visible Light Communication (RF/VLC) systems have been recognized as effective means to enhance data rate. So far the study of data rate has been limited to downlink communications. In this letter, we study the…

信息论 · 计算机科学 2018-12-11 Shivanshu Shrivastava

An optical transmitter that uses entangled light generated by spontaneous parametric downconversion (SPDC), in conjunction with an optimal quantum-optical receiver (whose implementation is not yet known) is in principle capable of obtaining…

量子物理 · 物理学 2016-11-17 Saikat Guha

Visible light communication (VLC) has been recognized as a promising technology for handling the continuously increasing quality of service and connectivity requirements in modern wireless communications, particularly in indoor scenarios.…

The open circuit voltage Voc and the corresponding charge carrier density were measured in dependence of temperature and illumination intensity by current-voltage and charge extraction measurements for P3HT:PCBM and P3HT:bisPCBM solar…

材料科学 · 物理学 2011-10-05 Daniel Rauh , Alexander Wagenpfahl , Carsten Deibel , Vladimir Dyakonov

Visible light communication (VLC) is emerging as a key technology for future wireless communication systems due to its unique physical-layer advantages over traditional radio-frequency (RF)-based systems. However, its integration with…

信息论 · 计算机科学 2026-01-22 Zhouxiang Zhao , Zhaohui Yang , Chen Zhu , Xin Tong , Zhaoyang Zhang

High penetration of photovoltaic (PV) generators can lead to voltage issues in distribution networks. Various approaches including the real power control through PV inverters have been proposed to address voltage issues. However, among…

最优化与控制 · 数学 2018-04-20 Chang Fu , Caisheng Wang , Saeed Alyami

In this paper, we consider a tunable liquid convex lens-assisted imaging receiver for indoor multiple-input multiple-output (MIMO) visible light communication (VLC) systems. In contrast to existing MIMO VLC receivers that rely on fixed…

信号处理 · 电气工程与系统科学 2025-07-08 Kapila W. S. Palitharathna , Christodoulos Skouroumounis , Ioannis Krikidis

Wireless communications refer to data transmissions in unguided propagation media through the use of wireless carriers such as radio frequency (RF) and visible light (VL) waves. The rising demand for high data rates, especially, in indoor…

信号处理 · 电气工程与系统科学 2021-12-17 Hisham Abuella , Mohammed Elamassie , Murat Uysal , Zhengyuan Xu , Erchin Serpedin , Khalid A. Qaraqe , Sabit Ekin

This paper studies backscatter communication (BackCom) systems with a passive backscatter tag. The effectiveness of these tags is limited by the amount of energy they can harness from incident radio signals, which are used to backscatter…

最优化与控制 · 数学 2024-09-12 Amus Chee Yuen Goay , Deepak Mishra , Aruna Seneviratne

Si-Photomultiplier (SiPM) has several attracting features, which can be helpful in the communication field, such as high photon detection efficiency, fast transient response, excellent timing resolution, and wide spectral range. In this…

仪器与探测器 · 物理学 2019-09-04 Zhenzhou Deng , Anyi Li