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Optical Wireless Communication networks (OWC) has emerged as a promising technology that enables high-speed and reliable communication bandwidth for a variety of applications. In this work, we investigated applying Random Linear Network…

Information Theory · Computer Science 2023-05-09 Ahmed Ali Hassan , Ahmed Adnan Qidan , Taisir Elgorashi , Jaafar Elmirghani

Chip placement, a critical step in the VLSI physical design flow, directly impacts performance, power, and routability. Traditional chip placement methods, relying on analytical optimization or sequential reinforcement learning (RL), face…

Hardware Architecture · Computer Science 2026-04-08 Kien Le Trung , Truong-Son Hy

The sixth generation (6G) systems will likely employ orthogonal frequency division multiplexing (OFDM) waveform for performing the joint task of sensing and communication. In this paper, we design an OFDM system for integrated sensing and…

Information Theory · Computer Science 2025-09-30 Vijaya Yajnanarayana , Philipp Geuer

Light-fidelity (LiFi) is a wireless communication technology that employs both infrared and visible light spectra to support multiuser access and user mobility. Considering the small wavelength of light, the optical channel is affected by…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Ardimas Andi Purwita , Mohammad Dehghani Soltani , Majid Safari , Harald Haas

Distributed multiple-input multiple-output (MIMO), also known as cell-free massive MIMO, has emerged as a promising technology for sixth-generation (6G) wireless networks. This letter introduces an indoor channel measurement campaign…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Yingjie Xu , Xuesong Cai , Sara Willhammar , Fredrik Tufvesson

Phased arrays, commonly used in IEEE 802.11ad and 5G radios, are capable of focusing radio frequency signals in a specific direction or a spatial region. Beamforming achieves such directional or spatial concentration of signals and enables…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Nitin Jonathan Myers , Robert W. Heath

Multi-point vehicular positioning is one essential operation for autonomous vehicles. However, the state-of-the-art positioning technologies, relying on reflected signals from a target (i.e., RADAR and LIDAR), cannot work without…

Information Theory · Computer Science 2020-08-24 Zezhong Zhang , Seung-Woo Ko , Rui Wang , Kaibin Huang

Vehicular visible light communication (V-VLC) aims to provide secure complementary vehicle to everything communications (V2X) to increase road safety and traffic efficiency. V-VLC provides directional transmissions, mainly enabling…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Bugra Turan , Omer Narmanlioglu , Osman Nuri Koc , Emrah Kar , Sinem Coleri , Murat Uysal

Location awareness is a key factor for a wealth of wireless indoor applications. Its provision requires the careful fusion of diverse information sources. For agents that use radio signals for localization, this information may either come…

Information Theory · Computer Science 2018-12-11 Erik Leitinger , Paul Meissner , Christoph Rüdisser , Gregor Dumphart , Klaus Witrisal

Localization is expected to play a significant role in future wireless networks as positioning and situational awareness, navigation and tracking, are integral parts of 6G usage scenarios. Nevertheless, in many cases localization requires…

Signal Processing · Electrical Eng. & Systems 2024-10-02 Giorgos Stratidakis , Sotiris Droulias , Angeliki Alexiou

5G millimeter wave (mmWave) signals can enable accurate positioning in vehicular networks when the base station and vehicles are equipped with large antenna arrays. However, radio-based positioning suffers from multipath signals generated…

Signal Processing · Electrical Eng. & Systems 2020-02-27 Hyowon Kim , Karl Granström , Lin Gao , Giorgio Battistelli , Sunwoo Kim , Henk Wymeersch

The future wireless communication applications demand seamless connectivity, higher throughput, and low latency, for which the millimeter-wave (mmWave) band is considered a potential technology. Nevertheless, line-of-sight (LoS) is often…

User equipment (UE) positioning accuracy is of paramount importance in current and future communications standard. However, traditional methods tend to perform poorly in non line of sight (NLoS) scenarios. As a result, deep learning is a…

Information Theory · Computer Science 2023-04-14 Baptiste Chatelier , Vincent Corlay , Cristina Ciochina , Fallou Coly , Julien Guillet

Positioning has recently received considerable attention as a key enabler in emerging applications such as extended reality, unmanned aerial vehicles and smart environments. These applications require both data communication and…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Yang Yang , Mingzhe Chen , Yufei Blankenship , Jemin Lee , Zabih Ghassemlooy , Julian Cheng , Shiwen Mao

Current and future wireless applications strongly rely on precise real-time localization. A number of applications such as smart cities, Internet of Things (IoT), medical services, automotive industry, underwater exploration, public safety,…

Signal Processing · Electrical Eng. & Systems 2019-06-11 Nasir Saeed , Haewoon Nam , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Non-Line-of-Sight (NLoS) propagation condition is a crucial factor affecting the precision of the localization in the Ultra-Wideband (UWB) Indoor Positioning System (IPS). Numerous supervised Machine Learning (ML) approaches have been…

Signal Processing · Electrical Eng. & Systems 2023-04-24 Fuhu Che , Qasim Zeeshan Ahmed , Jaron Fontaine , Ben Van Herbruggen , Adnan Shahid , Eli De Poorter , Pavlos I. Lazaridis

Diffusion has been widely used to describe a random walk of particles or waves, and it requires only one parameter -- the diffusion constant. For waves, however, diffusion is an approximation that disregards the possibility of interference.…

Optics · Physics 2014-01-23 Alexey G. Yamilov , Raktim Sarma , Brandon Redding , Ben Payne , Heeso Noh , Hui Cao

This paper presents LIPS, a Light Intensity based Positioning System for indoor environments. The system uses off-the-shelf LED lamps as signal sources, and uses light sensors as signal receivers. The design is inspired by the observation…

Networking and Internet Architecture · Computer Science 2014-03-11 Bo Xie , Guang Tan , Yunhuai Liu , Mingming Lu , Kongyang Chen , Tian He

The fifth-generation (5G) wireless communication is useful for positioning due to its large bandwidth and low cost. However, the presence of obstacles that block the line-of-sight (LOS) path between devices would affect localization…

Signal Processing · Electrical Eng. & Systems 2022-08-17 Jiankun Zhang , Hao Wang

This paper proposes a method for accurately estimating the relative position between two nodes with unknown locations in a diffusion-based molecular communication environment. A specialized node structure is designed, combining a central…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Sangjun Hwang , Chan-Byoung Chae