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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 robotic networks relying on noisy range measurements between agents for cooperative localization, the achievable positioning accuracy strongly strongly depends on the network geometry. This motivates the problem of planning robot…

Robotics · Computer Science 2025-02-25 Justin Cano , Jerome Le Ny

In this paper, an indoor robot localization system based on Robot Operating System (ROS) and visible light communication (VLC) is presented. On the basis of our previous work, we innovatively designed a VLC localization and navigation…

Signal Processing · Electrical Eng. & Systems 2020-01-09 Weipeng Guan , Shihuan Chen , Shangsheng Wen , Wenyuan Hou , Zequn Tan , Ruihong Cen

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…

Signal Processing · Electrical Eng. & Systems 2021-12-17 Hisham Abuella , Mohammed Elamassie , Murat Uysal , Zhengyuan Xu , Erchin Serpedin , Khalid A. Qaraqe , Sabit Ekin

Integrated Sensing and Communication (ISAC) is considered one of the crucial technologies in the upcoming sixth-generation (6G) mobile communication systems that could facilitate ultra-precise positioning of passive and active targets and…

Signal Processing · Electrical Eng. & Systems 2024-02-19 Maximiliano Rivera Figueroa , Pradyumna Kumar Bishoyi , Marina Petrova

This work studies the joint problem of power and trajectory optimization in an unmanned aerial vehicle (UAV)-enabled mobile relaying system. In the considered system, in order to provide convenient and sustainable energy supply to the UAV…

Information Theory · Computer Science 2022-10-17 Ming-Min Zhao , Qingjiang Shi , Min-Jian Zhao

In the multiuser downlink, power allocation for linear precoders that minimize the sum of mean squared errors under a sum power constraint is a non-convex problem. Many existing algorithms solve an equivalent convex problem in the virtual…

Information Theory · Computer Science 2010-07-20 Adam J. Tenenbaum , Raviraj S. Adve

In this paper, the proportionally fair allocation of time slots in a frame, as well as power level to multiple receivers in an energy harvesting broadcast system, is considered. Energy harvest times in a frame are assumed to be known at the…

Networking and Internet Architecture · Computer Science 2015-03-20 Neyre Tekbiyik , Tolga Girici , Elif Uysal-Biyikoglu , Kemal Leblebicioglu

In this paper, the distributed resource allocation optimization problem is investigated. The allocation decisions are made to minimize the sum of all the agents' local objective functions while satisfying both the global network resource…

Optimization and Control · Mathematics 2017-04-11 Peng Yi , Yiguang Hong , Feng Liu

Accurate indoor localization is crucial in industrial environments. Visible Light Communication (VLC) has emerged as a promising solution, offering high accuracy, energy efficiency, and minimal electromagnetic interference. However,…

Signal Processing · Electrical Eng. & Systems 2025-10-06 Masood Jan , Wafa Njima , Xun Zhang , Alexander Artemenko

In this paper, we propose a multi-target image tracking algorithm based on continuously apative mean-shift (Cam-shift) and unscented Kalman filter. We improved the single-lamp tracking algorithm proposed in our previous work to multi-target…

Signal Processing · Electrical Eng. & Systems 2021-05-27 Linyi Huang , Wentao Yang , Shangsheng Wen , Manxi Liu , Weipeng Guan

Camera-based visible light positioning (VLP) has emerged as a promising indoor positioning technique. However, the need for dedicated luminaire infrastructure and on-target cameras in existing algorithms may limit their scalability and…

Signal Processing · Electrical Eng. & Systems 2025-08-13 Wenxuan Pan , Yang Yang , Dong Wei , Meng Zhang , Zhiyu Zhu

This paper centers around a multiple-input-multiple-output (MIMO) visible light communication (VLC) system, where an unmanned aerial vehicle (UAV) benefits from a light emitting diode (LED) array to serve photo-diode (PD)-equipped users for…

The small amount of measurements in distribution grids makes their monitoring more difficult. Topological observability may not be possible, and thus, pseudo-measurements are needed to perform state estimation, which is required to control…

Systems and Control · Computer Science 2019-07-24 Miguel Picallo , Adolfo Anta , Bart De Schutter

With the rapid growth of threats, sophistication and diversity in the manner of intrusion, traditional belt barrier systems are now faced with a major challenge of providing high and concrete coverage quality to expand the guarding service…

Data Structures and Algorithms · Computer Science 2022-07-26 Tu N. Nguyen , Bing-Hong Liu , My T. Thai , Ivan Djordjevic

Many applications have been identified which require the deployment of large-scale low-power wireless sensor networks. Some of the deployment environments, however, impose harsh operation conditions due to intense cross-technology…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Abiy Tasissa , Waltenegus Dargie

Installation of capacitors in distribution networks is one of the most used procedure to compensate reactive power generated by loads and, consequently, to reduce technical losses. So, the problem consists in identifying the optimal…

Optimization and Control · Mathematics 2017-02-01 André R. Goncalves , Celso Cavelucci , Christiano Lyra Filho , Fernando J. Von Zuben

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…

Signal Processing · Electrical Eng. & Systems 2018-10-12 Waled Gheth , Khaled M. Rabie , Bamidele Adebisi , Muhammad Ijaz , Georgina Harris

In this work, we study optimal transmit strategies for minimizing the positioning error bound in a line-of-sight scenario, under different levels of prior knowledge of the channel parameters. For the case of perfect prior knowledge, we…

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…

Signal Processing · Electrical Eng. & Systems 2019-09-11 Alain R. Ndjiongue , Telex M. N. Ngatched , Octavia A. Dobre , Ana G. Armada