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This paper shows experimental systems using R/G/B LEDs as both the emitters and narrowband filterless photodetectors to realize multiple-input multiple-output (MIMO) visible light communications. Among 9 tested color-pair links from R/G/B…

应用物理 · 物理学 2017-09-13 Shangbin Li , Boyang Huang , Zhengyuan Xu

Power line communication (PLC) provides intelligent electrical functions such as power quality measurement, fault surveys, and remote control of electrical network. However, most of research works have been done in low voltage (LV) scenario…

信息论 · 计算机科学 2018-08-29 Mengyuan Cheng , Kai Wan , Fan Wei , Fuyong Zheng , Yongpeng Wu

In this paper, we investigate the problem of the joint transceiver and offset design (JTOD) for point-to-point multiple-input-multiple-output (MIMO) and multiple user multiple-input-single-output (MU-MISO) visible light communication (VLC)…

信息论 · 计算机科学 2016-12-22 Qian Gao , Chen Gong , Zhengyuan Xu

In this letter, we consider intensity modulation/direct detection (IM/DD) channel in the visible light communication (VLC) systems with multiple transmitter phosphor-based white light emitting diodes (LED) and single receiver avalanche…

信息论 · 计算机科学 2015-09-25 Yan-Yu Zhang , Hong-Yi Yu , Yi-Jun Zhu , Jin-Long Wang

A system that employs wavelength division multiplexing (WDM) in conjunction with subcarrier multiplexing (SCM) tones is proposed to realize high data rate multi-user indoor visible light communication (VLC). The SCM tones, which are…

信号处理 · 电气工程与系统科学 2018-11-06 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

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

Visible-light communication (VLC) has emerged as a prominent technology to address the radio spectrum shortage. It is characterized by the unlicensed and unexploited high bandwidth, and provides the system with cost-effective advantages…

信号处理 · 电气工程与系统科学 2019-09-11 Alain R. Ndjiongue , Telex M. N. Ngatched , Octavia A. Dobre , Ana G. Armada

Visible Light Communication (VLC) is based on the dual use of the illumination infrastructure for wireless data communication. The major interest on this communication technology lies on its specific features to be a secure, cost-effective…

网络与互联网体系结构 · 计算机科学 2019-03-29 Antonio Costanzo , Valeria Loscri , Mauro Biagi

The abstract discusses the significance of Visible Light Communication (VLC) as an efficient and cost-effective solution in the era of green technology. VLC not only provides illumination but also high-speed data transmission through…

系统与控制 · 电气工程与系统科学 2023-09-19 Vailet Hikmat Faraj Al Khattat , Siti Barirah Ahmad Anas , Abdu Saif

In this work, we investigate the performance of indoor visible light communication (VLC) networks based on power domain non-orthogonal multiple access (NOMA) for mobile devices, where multiple legitimate users are equipped with photodiodes…

信息论 · 计算机科学 2024-12-10 Tianji Shen , Vamoua Yachongka , Yuto Hama , Hideki Ochiai

Visible light communication (VLC) is one of the main technologies driving the future 5G communication systems due to its ability to support high data rates with low power consumption, thereby facilitating high speed green communications. To…

信息论 · 计算机科学 2017-06-19 Rangeet Mitra , Vimal Bhatia

Providing high data rates is one of the big concerns in visible light communication (VLC) systems. This paper introduces a data centre design that use a VLC system for downlink communication. In this work, RYGB laser diodes (LD) are used as…

信号处理 · 电气工程与系统科学 2019-03-30 Osama Zwaid Alsulami , Mohamed O. I. Musa , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

In this communication revolution era, visible light communication (VLC) is the optimum efficacious answer to the increased request for high-speed data transmission with reduced cost, besides the illumination. This technology is considered…

信号处理 · 电气工程与系统科学 2022-09-16 Vailet Hikmat Faraj Al Khattat , Siti Barirah Ahmad Anas , Abdu Saif

This paper investigates the linear precoder design that maximizes the average mutual information of multiple-input multiple-output channels with finite-alphabet inputs and statistical channel state information known at the transmitter. This…

信息论 · 计算机科学 2011-09-07 Weiliang Zeng , Chengshan Xiao , Mingxi Wang , Jianhua Lu

This paper introduces a novel approach to optimize energy efficiency in wavelength division multiplexing (WDM) Visible Light Communication (VLC) systems designed for indoor broadcasting networks. A physics-based LED model is integrated into…

系统与控制 · 电气工程与系统科学 2024-03-26 Dayu Shi , Xun Zhang , Ziqi Liu , Xuanbang Chen , Jianghao Li , Xiaodong Liu , William Shieh

This paper proposes a hybrid dimming scheme based on joint LED selection and precoding design (TASP-HD) for multiple-user (MU) multiple-cell (MC) visible light communications (VLC) systems. In TASP-HD, both the LED selection and the…

系统与控制 · 电气工程与系统科学 2021-09-15 Yang Yang , Yujie Yang , Mingzhe Chen , Chunyan Feng , Hailun Xia , Shuguang Cui , H. Vincent Poor

We consider efficient communications over the multiple-input multiple-output (MIMO) multiway distributed relay channel (MDRC) with full data exchange, where each user, equipped with multiple antennas, broadcasts its message to all the other…

信息论 · 计算机科学 2016-12-28 Xiang Zhao , Jianwen Zhang , Yingjun Zhang , Xiaojun Yuan

Visible light communications (VLC) that use the infrastructure of the indoor illumination system have been envisioned as a compact, safe, and green alternative to WiFi for the downlink of an indoor wireless mobile communication system.…

信息论 · 计算机科学 2013-08-15 Mohammad Noshad , Maite Brandt-Pearce

In this paper, we investigate an integrated visible light positioning and communication (VLPC) system with a single LED-lamp. First, by leveraging the fact that the VLC channel model is a function of the receiver's location, we propose a…

信息论 · 计算机科学 2023-05-18 Shuai Ma , Ruixin Yang , Bing Li , Yongyan Chen , Hang Li , Youlong Wu , Majid Safari , Shiyin Li , Naofal Al-Dhahir

This paper proposes a novel power-efficient light-emitting diode (LED) placement algorithm for indoor visible light communication (VLC). In the considered model, the LEDs can be designedly placed for high power efficiency while satisfying…

信号处理 · 电气工程与系统科学 2020-12-30 Yang Yang , Zhiyu Zhu , Caili Guo , Chunyan Feng