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Visible light communication (VLC) is a promising Optical Wireless Communications (OWC) scheme that is demonstrated to provide secure, line-of-sight (LoS), and short-distance vehicle-to-vehicle (V2V) and vehicle-to-infrastructure(V2I)…

Networking and Internet Architecture · Computer Science 2022-02-08 Bugra Turan , Ali Uyrus , Osman Nuri Koc , Emrah Kar , Sinem Coleri

Loop Closure Detection (LCD) is the essential module in the simultaneous localization and mapping (SLAM) task. In the current appearance-based SLAM methods, the visual inputs are usually affected by illumination, appearance and viewpoints…

Robotics · Computer Science 2018-04-06 Peng Yin , Yuqing He , Lingyun Xu , Yan Peng , Jianda Han , Weiliang Xu

Dual-function radar-communication (DFRC) systems, which can efficiently utilize the congested spectrum and costly hardware resources by employing one common waveform for both sensing and communication (S&C), have attracted increasing…

Information Theory · Computer Science 2022-08-08 Zichao Xiao , Rang Liu , Ming Li , Yang Liu , Qian Liu

Capacity is the eternal pursuit for communication systems due to the overwhelming demand of bandwidth hungry applications. As the backbone infrastructure of modern communication networks, the optical fiber transmission system undergoes a…

Information Theory · Computer Science 2017-07-27 Qiong Wu , Zhenhua Feng , Ming Tang , Xiang Li , Ming Luo , Huibin Zhou , Songnian Fu , Deming Liu

The new generation of LED-based illuminating infrastructures has enabled a "dual-paradigm" where LEDs are used for both illumination and communication purposes. The ubiquity of lighting makes visible light communication (VLC) well suited…

Networking and Internet Architecture · Computer Science 2018-01-31 Angli Liu , Jiangtao Li , Guobin Shen , Chao Sun , Liqun Li , Feng Zhao

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…

Signal Processing · Electrical Eng. & Systems 2022-12-22 Shuai Ma , Jing Wang , Chun Du , Hang Li , Xiaodong Liu , Youlong Wu , Naofal Al-Dhahir , Shiyin Li

In this paper, we propose a novel indoor localization scheme that exploits ubiquitous visible lights, which are necessarily and densely deployed in almost all indoor environments. We unveil two phenomena of lights available for positioning:…

Networking and Internet Architecture · Computer Science 2015-06-03 Yiqing Hu , Yan Xiong , Wenchao Huang , Xiang-Yang Li , Yanan Zhang , Xufei Mao , Panlong Yang , Caimei Wang

Many algorithms for visible light positioning (VLP) localization do not consider the shapes of the transmitters, which leads to the impracticality of the algorithm and the low localization accuracy. Therefore, this paper proposes a novel…

Signal Processing · Electrical Eng. & Systems 2021-06-30 Hongxiu Zhao , Xun Zhang , Faouzi Bader , Yue Zhang

This paper investigates a hybrid radio frequency (RF)/visible light communication (VLC) ultra-small cell network consisting of multiple optical angle-diversity transmitters, one multi-antenna RF access point (AP), and multiple terminal…

Information Theory · Computer Science 2019-05-14 Ha-Vu Tran , Georges Kaddoum , Panagiotis D. Diamantoulakis , Chadi Abou-Rjeily , George K. Karagiannidis

This paper proposes a cascaded multiwire-power line communication (PLC)/multiple-visible light communication (VLC) system. This hybrid architecture offers low installation cost, enhanced performance, practical feasibility, and a wide range…

Signal Processing · Electrical Eng. & Systems 2025-06-10 Hugerles S. Silva , Higo T. P. Silva , Paulo V. B. Tomé , Felipe A. P. Figueiredo , Edson P. da Silva , Rausley A. A. de Souza

Accurate localization in Orthogonal Frequency Division Multiplexing (OFDM)-based massive Multiple-Input Multiple-Output (MIMO) systems depends critically on phase coherence across subcarriers and antennas. However, practical systems suffer…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Qing Zhang , Adham Sakhnini , Robbert Beerten , Haoqiu Xiong , Zhuangzhuang Cui , Yang Miao , Sofie Pollin

This paper studies the performance of optical orthogonal frequency-division multiplexing (OFDM)-based multi-user integrated sensing and communication (ISAC) systems employing non-orthogonal multiple access (NOMA). Due to their inherent high…

Systems and Control · Electrical Eng. & Systems 2025-11-05 Nam N. Luong , Chuyen T. Nguyen , Thanh V. Pham

In this paper, channel estimation and data detection for multihop relaying orthogonal frequency division multiplexing (OFDM) system is investigated under time-varying channel. Different from previous works, which highly depend on the…

Information Theory · Computer Science 2012-05-25 Rui Min , Yik-Chung Wu

This paper contemplates a relay-assisted visible light communication (VLC) system, where the light source (Table lamp) acts as a relay node and cooperates with the main light source. Following the IEEE 802.15.7r1 VLC reference channel…

Networking and Internet Architecture · Computer Science 2023-07-11 L Bhargava Kumar , Ramavath Prasad Naik , Datta Choudhari , Prabu Krishnan , Goutham Simha G D , Jagadeesh V K

As a new candidate waveform for the next generation wireless communications, orthogonal chirp division multiplexing (OCDM) has attracted growing attention for its ability to achieve full diversity in uncoded transmission, and its robustness…

Information Theory · Computer Science 2024-01-10 Yun Liu , Fei Ji , Miaowen Wen , Hua Qing

Integrated Sensing and Communications (ISAC) is emerging as a key paradigm for future Sixth-Generation (6G) networks, with communication-centric designs favored for their compatibility with existing standards. Communication signals contain…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Mathieu Reniers , Martin Willame , Jérôme Louveaux , Luc Vandendorpe

In this paper, we consider a passive radar system that estimates the positions and velocities of multiple moving targets by using OFDM signals transmitted by a totally un-coordinated and un-synchronizated illuminator and multiple receivers.…

Information Theory · Computer Science 2019-07-01 Yinchuan Li , Xiaodong Wang , Zegang Ding

The abundant optical spectrum is a promising part of the electromagnetic spectrum for 6G communication systems. The visible light spectrum which is a part of the optical spectrum, can be used to provide communication and illumination…

Signal Processing · Electrical Eng. & Systems 2020-08-06 Osama Zwaid Alsulami , T. E. H. El-Gorashi , Jaafar M. H. Elmirghani

Visible light positioning (VLP) is widely believed to be a cost-effective answer to the growing demanded for robot indoor positioning. Considering that some extreme environments require robot to be equipped with a precise and…

Robotics · Computer Science 2020-11-17 Hongyun Xie , Linyi Huang , Wenfei Wu

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…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Kapila W. S. Palitharathna , Christodoulos Skouroumounis , Ioannis Krikidis