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One strategy to obtain user location information in a wireless network operating at millimeter wave (mmWave) is based on the exploitation of the geometric relationships between the channel parameters and the user position. These…

信号处理 · 电气工程与系统科学 2025-03-11 Yun Chen , Nuria González-Prelcic , Takayuki Shimizu , Hongsheng Lu

Multi-robot localization has been a critical problem for robots performing complex tasks cooperatively. In this paper, we propose a decentralized approach to localize a group of robots in a large featureless environment. The proposed…

机器人学 · 计算机科学 2018-11-20 Ruihua Han , Shengduo Chen , Yasheng Bu , Zhijun Lyu , Qi Hao

In this paper, we propose a molecular communication system to localize an abnormality in a diffusion based medium. We consider a general setup to perform joint sensing, communication and localization. This setup consists of three types of…

信号处理 · 电气工程与系统科学 2022-04-01 Ladan Khaloopour , Mahtab Mirmohseni , Masoumeh Nasiri-Kenari

Recent localization frameworks exploit spatial information of complex channel measurements (CMs) to estimate accurate positions even in multipath propagation scenarios. State-of-the art CM fingerprinting(FP)-based methods employ…

信号处理 · 电气工程与系统科学 2022-03-25 Sebastian Kram , Christopher Kraus , Tobias Feigl , Maximilian Stahlke , Jörg Robert , Christopher Mutschler

A platoon-based driving is a technology allowing vehicles to follow each other at close distances to, e.g., save fuel. However, it requires reliable wireless communications to adjust their speeds. Recent studies have shown that the…

网络与互联网体系结构 · 计算机科学 2023-06-29 Marcin Hoffmann , Pawel Kryszkiewicz , Adrian Kliks

This paper explores the use of ambient radio frequency (RF) signals for human presence detection through deep learning. Using WiFi signal as an example, we demonstrate that the channel state information (CSI) obtained at the receiver…

机器学习 · 计算机科学 2020-12-11 Yang Liu , Tiexing Wang , Yuexin Jiang , Biao Chen

The flexible-position multiple-input multiple-output (FLP-MIMO), such as fluid antennas and movable antennas, is a promising technology for future wireless communications. This is due to the fact that the positions of antennas at the…

信息论 · 计算机科学 2023-11-15 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Dusit Niyato , Sumei Sun , Bo Ai , Khaled B. Letaief

Federated distillation (FD) paradigm has been recently proposed as a promising alternative to federated learning (FL) especially in wireless sensor networks with limited communication resources. However, all state-of-the art FD algorithms…

信号处理 · 电气工程与系统科学 2022-10-12 Yaya Etiabi , Marwa Chafii , El Mehdi Amhoud

Artificial intelligence (AI) plays an important role in the dynamic landscape of wireless communications, solving challenges unattainable by traditional approaches. This paper discusses the evolution of wireless AI, emphasizing the…

网络与互联网体系结构 · 计算机科学 2025-11-21 Jaron Fontaine , Adnan Shahid , Eli De Poorter

So far, various aspects associated with wireless energy harvesting (EH) have been investigated from diverse perspectives, including energy sources and models, usage protocols, energy scheduling and optimization, and EH implementation in…

信息论 · 计算机科学 2024-05-09 Ruihong Jiang

Federated meta-learning (FML) has emerged as a promising paradigm to cope with the data limitation and heterogeneity challenges in today's edge learning arena. However, its performance is often limited by slow convergence and corresponding…

机器学习 · 计算机科学 2021-11-12 Sheng Yue , Ju Ren , Jiang Xin , Deyu Zhang , Yaoxue Zhang , Weihua Zhuang

This paper considers human activity classification for an indoor radar system. Human motions generate nonstationary radar returns which represent Doppler and micro-Doppler signals. The time-frequency (TF) analysis of micro-Doppler signals…

信号处理 · 电气工程与系统科学 2021-04-02 Patrick A. Schooley , Syed A. Hamza

Diffractive deep neural network (D2NN), also referred to as reconfigurable intelligent metasurface based deep neural networks (Rb-DNNs) or stacked intelligent metasurfaces (SIMs) in the field of wireless communications, has emerged as a…

信号处理 · 电气工程与系统科学 2025-06-04 Xiaokun Teng , Wankai Tang , Xiao Li , Shi Jin

Broad beam beamforming (BF) design in multiple-input multiple-output (MIMO) can be convenient for initial access, synchronization, and sensing capabilities in cellular networks by avoiding overheads of sweeping methods while making…

信号处理 · 电气工程与系统科学 2025-08-05 Ahmet Kaplan , Diana P. M. Osorio , Erik G. Larsson

In Ultrasound Localization Microscopy (ULM), achieving high-resolution images relies on the precise localization of contrast agent particles across a series of beamformed frames. However, our study uncovers an enormous potential: The…

计算几何 · 计算机科学 2024-04-09 Christopher Hahne , Georges Chabouh , Arthur Chavignon , Olivier Couture , Raphael Sznitman

Advances in wireless localization techniques aiming to exploit context-dependent data has been leading to a growing interest in services able of localizing or tracking targets inside buildings with high accuracy and precision. Hence, the…

网络与互联网体系结构 · 计算机科学 2023-12-19 Fabien Geyer , Thomas Multerer , Paulo Mendes , Dominic Schupke

A near-field sensing (NISE) enabled predictive beamforming framework is proposed to facilitate wireless communications with high-mobility channels. Unlike conventional far-field sensing, which only captures the angle and the radial velocity…

信号处理 · 电气工程与系统科学 2024-10-23 Hao Jiang , Zhaolin Wang , Yuanwei Liu

This paper investigates a lightweight deep reinforcement learning (DRL)-assisted weighting framework for CSI-free multi-satellite positioning in LEO constellations, where each visible satellite provides one serving beam (one pilot response)…

信号处理 · 电气工程与系统科学 2026-03-18 Po-Heng Chou , Chiapin Wang , Kuan-Hao Chen , Wei-Chen Hsiao

User localization and tracking in the upcoming generation of wireless networks have the potential to be revolutionized by technologies such as the Dynamic Metasurface Antennas (DMAs). Commonly proposed algorithmic approaches rely on…

信号处理 · 电气工程与系统科学 2023-10-31 Kyriakos Stylianopoulos , Murat Bayraktar , Nuria González Prelcic , George C. Alexandropoulos

FastSLAM is a framework for simultaneous localization using a Rao-Blackwellized particle filter. In FastSLAM, particle filter is used for the mobile robot pose (position and orientation) estimation, and an Extended Kalman Filter (EKF) is…

机器人学 · 计算机科学 2010-03-23 R. Havangi , M. Teshnehlab , M. A. Nekoui