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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

This paper presents a tunable liquid lens (TLL)-assisted indoor mobile visible light communication system. To mitigate performance degradation caused by user mobility and random receiver orientation, an electrowetting cuboid TLL is used at…

信号处理 · 电气工程与系统科学 2025-05-21 Kapila W. S. Palitharathna , Constantinos Psomas , Ioannis Krikidis

This paper proposes an indoor visible light communication (VLC) system with multiple transmitters and receivers. Due to diffusivity of LED light beams, photodiode receive signals from many directions. We use one concave and one convex lens…

信号处理 · 电气工程与系统科学 2021-01-12 Jiaqi Wei , Chen Gong , Nuo Huang , Zhengyuan Xu

Most studies of reflecting intelligent surfaces (RISs)-assisted visible light communication (VLC) systems have focused on the integration of RISs in the channel to combat the line-of-sight (LoS) blockage and to enhance the corresponding…

信息论 · 计算机科学 2023-07-20 Omar Maraqa , Telex M. N. Ngatched

With the capability of reconfiguring the wireless electromagnetic environment, intelligent reflecting surface (IRS) is a new paradigm for designing future wireless communication systems. In this paper, we consider optical IRS for improving…

信息论 · 计算机科学 2022-06-30 Shiyuan Sun , Fang Yang , Jian Song , Rui Zhang

Multiple-input multiple-output (MIMO) techniques have recently demonstrated significant potentials in visible light communications (VLC), as they can overcome the modulation bandwidth limitation and provide substantial improvement in terms…

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

In this paper, we experimentally demonstrate a real-time software defined multiple input multiple output (MIMO) visible light communication (VLC) system employing link adaptation of spatial multiplexing and spatial diversity. Real-time MIMO…

信息论 · 计算机科学 2017-01-06 Peng Deng , Mohsen Kavehrad

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

Visible light communication (VLC) enables access to huge unlicensed bandwidth, a higher security level, and no radio frequency interference. With these advantages, VLC emerges as a complementary solution to radio frequency communications.…

信号处理 · 电气工程与系统科学 2021-05-19 Alain R. Ndjiongue , Telex M. N. Ngatched , Octavia A. Dobre , Harald Haas

The high path loss associated with millimeter wave (mmWave) frequency communication can be compensated by large scale antenna arrays such as multiple-input multiple-output (MIMO) systems. The hybrid beamforming architecture which uses fewer…

信号处理 · 电气工程与系统科学 2022-11-17 Evangelos Vlachos , Aryan Kaushik , Muhammad Z. Shakir

The directionality of optical signals provides an opportunity for efficient space reuse of optical links in visible light communication (VLC). Space reuse in VLC can enable multiple access communication from multiple light emitting…

信号处理 · 电气工程与系统科学 2019-12-30 MD Rashed Rahman , Ashwin Ashok

Although the multi-antenna or so-called multiple-input multiple-output (MIMO) transmission has been the enabling technology for the past generations of radio-frequency (RF)-based wireless communication systems, its application to the…

信息论 · 计算机科学 2023-02-09 Shiyuan Sun , Weidong Mei , Fang Yang , Nan An , Jian Song , Rui Zhang

In this paper, we analytically study the bit error rate (BER) performance of underwater visible light communication (UVLC) systems with binary pulse position modulation (BPPM). We simulate the channel fading-free impulse response (FFIR)…

信息论 · 计算机科学 2017-11-07 Mohammad Vahid Jamali , Pooya Nabavi , Jawad A. Salehi

Recently, the spatial modulation (SM) technique has been proposed for visible light communication (VLC). This paper investigates the average symbol error rate (SER) for the VLC using adaptive spatial modulation (ASM). In the system, the…

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

Visible light communication (VLC) is an emerging technology that enables broadband data rates using the visible spectrum. In this paper, considering slow beam steering where VLC beam directions are assumed to be fixed during a transmission…

信号处理 · 电气工程与系统科学 2019-02-26 Yusuf Said Eroglu , Chethan Kumar Anjinappa , Ismail Guvenc , Nezih Pala

Visible Light Communication (VLC) is emerging as a means to network computing devices that ameliorates many hurdles of radio-frequency (RF) communications, for example, the limited available spectrum. Enabling VLC in wearable computing,…

网络与互联网体系结构 · 计算机科学 2018-03-26 Ambuj Varshney , Luca Mottola , Thiemo Voigt

Millimeter Wave (mmWave) band provides a large spectrum to meet the high-demand capacity by the 5th generation (5G) wireless networks. However, to fully exploit the available spectrum, obstacles such as high path loss, channel sparsity, and…

信息论 · 计算机科学 2018-07-16 Mojtaba Ahmadi Almasi , Roohollah Amiri , Hani Mehrpouyan

In recent years, the application potential of visible light communication (VLC) technology as an alternative and supplement to radio frequency (RF) technology has attracted people's attention. The study of the underlying VLC channel is the…

信号处理 · 电气工程与系统科学 2020-07-29 Qingshan Chen , Cheng-Xiang Wang , Jian Sun , Wensheng Zhang , Qiuming Zhu

This paper proposes a novel liquid intelligent metasurface (LIM)-assisted downlink multi-user multiple-input single-output (MISO) system, wherein both the base station (BS) and the metasurface are respectively equipped with fluid antennas…

信号处理 · 电气工程与系统科学 2025-09-30 Li-Hsiang Shen
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