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相关论文: A Dynamic Model for Frequency Response Optimizatio…

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In this paper, we consider an indoor downlink dual-hop hybrid visible light communication (VLC)/radio frequency (RF) scenario. For each transmission block, we dynamically allocate a portion of time resources to VLC and the other portion to…

信息论 · 计算机科学 2022-11-22 Amir Hossein Fahim Raouf , Chethan Kumar Anjinappa , Ismail Guvenc

Visible light communications (VLC) is a promising technology to address the spectrum crunch problem in radio frequency (RF) networks. A major advantage of VLC networks is that they can use the existing lighting infrastructure in indoor…

信息论 · 计算机科学 2017-07-19 Yusuf Said Eroglu , Ismail Guvenc , Alphan Sahin , Yavuz Yapici , Nezih Pala , Murat Yuksel

This paper presents a comprehensive performance analysis of an integrated indoor power line communication (PLC)/visible light communication (VLC) system with the presence of a decode-and-forward (DF) relay. The existing indoor power line…

信号处理 · 电气工程与系统科学 2018-10-12 Waled Gheth , Khaled M. Rabie , Bamidele Adebisi , Muhammad Ijaz , Georgina Harris

Perovskite indoor photovoltaics (PIPVs) are emerging as a transformative technology for low-light intensity energy harvesting, owing to their high power conversion efficiencies (PCEs), low-cost fabrication, solution-processability, and…

The visible light communication (VLC) by LED is one of the important communication methods because LED can work as high speed and VLC sends the information by high flushing LED. We use the pulse wave modulation for the VLC with LED because…

网络与互联网体系结构 · 计算机科学 2021-06-08 Wataru Uemura , Yasuhiro Fukumori , Takato Hayama

This study establishes a unified framework for interpreting dynamic capacitive responses in InGaN-based light-emitting diodes (LEDs) through forward-bias capacitance-voltage-frequency spectroscopy. A hybrid impedance model integrating…

Solar photovoltaic (PV) generation is growing rapidly around the world. However, PV generation, based on inverter, is fundamentally different from conventional synchronous generators. It is of vital importance to understand the impacts of…

系统与控制 · 电气工程与系统科学 2021-04-23 Xuemeng Zhang , Shutang You , Yong Liu , Yilu Liu

Non-fullerene acceptors based on perylenediimides (PDIs) have garnered significant interest as an alternative to fullerene acceptors in organic photovoltaics (OPVs), but their charge transport phenomena are not well understood, especially…

Nonsynchronous generations such as photovoltaics (PVs) are expected to undermine bulk power systems (BPSs) frequency response at high penetration levels. Though the underlying mechanism has been relatively well understood, the accurate…

系统与控制 · 电气工程与系统科学 2021-03-03 Shutang You

For dynamic visible light communication (VLC) systems, received optical power fluctuates largely due to the fast movement of VLC terminals. Such fluctuations will cause possible signal clipping and quantization noise at the…

信号处理 · 电气工程与系统科学 2020-08-03 Yingwen Zhang , Xianqing Jin , Weibin Jiang , Xinmin Chen , Zhengyuan Xu

Visible Light Communication (VLC) is a current technology which allows data to be transmitted by modulating information onto a light source. It has many advantages over traditional radio frequency communication and up to 10,000 times larger…

信号处理 · 电气工程与系统科学 2021-01-14 Shamin Achari , Alice Yi Yang , James Goodhead , Brendon Swanepoel , Ling Cheng

A free-space optical communication system using non-mode-selective photonic lantern (PL) based coherent receiver is studied. Based on the simulation of photon distribution, the power distribution at the single-mode fiber end of the PL is…

信号处理 · 电气工程与系统科学 2020-11-25 Bo Zhang , Renzhi Yuan , Jianfeng Sun , Julian Cheng , Mohamed-Slim Alouini

Voltage modulated electroluminescence spectra and low frequency ({\leq} 100 kHz) impedance characteristics of electroluminescent diodes are studied. Voltage modulated light emission tracks the onset of observed negative capacitance at a…

材料科学 · 物理学 2012-02-16 Kanika Bansal , Shouvik Datta

Visible light communications (VLC) are motivated by the radio-frequency (RF) spectrum crunch and fast-growing solid-state lighting technology. VLC relies on white light emitting diodes (LEDs) to provide communication and illumination…

信息论 · 计算机科学 2014-06-25 Zhenhua Yu , Arthur J. Redfern , G. Tong Zhou

Visible Light Communication (VLC) technology using light emitting diodes (LEDs) has been gaining increasing attention in recent years as it is appealing for a wide range of applications such as indoor positioning. Orthogonal frequency…

信息论 · 计算机科学 2015-05-08 Mohammadreza Aminikashani , Wenjun Gu , Mohsen Kavehrad

Visible Light Communication~(VLC) systems provide not only illumination and data communication, but also indoor monitoring services if the effect that different events create on the received optical signal is properly tracked. For this…

信号处理 · 电气工程与系统科学 2021-01-27 Mehmet C. Ilter , Alexis A. Dowhuszko , Jyri Hämäläinen , Risto Wichman

This paper considers future distribution networks featuring inverter-interfaced photovoltaic (PV) systems, and addresses the synthesis of feedback controllers that seek real- and reactive-power inverter setpoints corresponding to AC optimal…

最优化与控制 · 数学 2016-11-17 Emiliano Dall'Anese , Sairaj V. Dhople , Georgios B. Giannakis

Concentrator Photovoltaic (CPV) systems use high efficiency multi-junction solar cells with efficiencies >40%, but the module efficiency is often much lower. The increased complexity of a CPV module, with optics, receiver and the tracker…

系统与控制 · 电气工程与系统科学 2024-08-16 Harsh G. Kamath , Nicholas J. Ekins-Daukes , Kenji Araki , Sheela K. Ramasesha

In this paper, we propose joint beamforming and photo-detector (PD) orientation (BO) optimization schemes for mobile visible light communication (VLC) with the orientation adjustable receiver (OAR). Since VLC is sensitive to line-of-sight…

信号处理 · 电气工程与系统科学 2022-12-22 Shuai Ma , Jing Wang , Chun Du , Hang Li , Xiaodong Liu , Youlong Wu , Naofal Al-Dhahir , Shiyin Li

A photonic integrated circuit (PIC) comprised of an 11 cm multimode speckle waveguide, a 1x32 splitter, and a linear grating coupler array is fabricated and utilized to receive 2 GHz of radio-frequency (RF) signal bandwidth from 2.5 to 4.5…