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Power Delay Profile (PDP) plays a crucial role in wireless communications, providing information on multipath propagation and signal strength variations over time. Accurate detection of peaks within PDP is essential to identify dominant…

信号处理 · 电气工程与系统科学 2026-03-23 Ondrej Zeleny , Radek Zavorka , Ales Prokes , Tomas Fryza , Jaroslaw Wojtun , Jan M. Kelner , Cezary Ziolkowski , Aniruddha Chandra

We consider a novel ultra-narrowband (UNB) low-power wide-area network (LPWAN) architecture design for uplink transmission of a massive number of Internet of Things (IoT) devices over multiple multiplexing bands. An IoT device can randomly…

信号处理 · 电气工程与系统科学 2022-06-15 Enes Krijestorac , Ghaith Hattab , Petar Popovski , Danijela Cabric

Appropriate channel models tailored to the specific needs of industrial environments are crucial for the 5G private industrial network design and guiding deployment strategies. This paper scrutinizes the applicability of 3GPP's channel…

信号处理 · 电气工程与系统科学 2024-07-24 Gurjot Singh Bhatia , Yoann Corre , Linus Thrybom , M. Di Renzo

Optimal wireless transmitter placement is a central task in radio-network planning, yet exhaustive search becomes prohibitively expensive at scale. This paper studies the single-transmitter setting under a fixed learned propagation model,…

机器学习 · 计算机科学 2026-05-08 Çağkan Yapar

The conditional diffusion model has been demonstrated as an efficient tool for learning robot policies, owing to its advancement to accurately model the conditional distribution of policies. The intricate nature of real-world scenarios,…

机器人学 · 计算机科学 2024-07-03 Wenhao Yu , Jie Peng , Huanyu Yang , Junrui Zhang , Yifan Duan , Jianmin Ji , Yanyong Zhang

MPTCP is a new transport protocol that enables mobile devices to use multiple physical paths simultaneously through several network interfaces, such as WiFi and Cellular. However, wireless path capacities change frequently in the mobile…

网络与互联网体系结构 · 计算机科学 2020-07-06 Binbin Liao , Guangxing Zhang , Qinghua Wu , Zhenyu Li , Gaogang Xie

Conventional methods for outdoor environment reconstruction rely predominantly on vision-based techniques like photogrammetry and LiDAR, facing limitations such as constrained coverage, susceptibility to environmental conditions, and high…

网络与互联网体系结构 · 计算机科学 2024-04-13 Hrant Khachatrian , Rafayel Mkrtchyan , Theofanis P. Raptis

This work estimates the position and the transmit power of multiple co-channel wireless transmitters under model uncertainties. The model uncertainties include the number of the targets and the parameters of the path-loss model which enable…

信息论 · 计算机科学 2019-03-11 Ehsan Zandi , Rudolf Mathar

This paper proposes a novel planning framework to handle a multi-agent pathfinding problem under team-connected communication constraint, where all agents must have a connected communication channel to the rest of the team during their…

人工智能 · 计算机科学 2026-05-01 Hoang-Dung Bui , Erion Plaku , Gregoy J. Stein

Coverage path planning (CPP) is the problem of finding a path that covers the entire free space of a confined area, with applications ranging from robotic lawn mowing to search-and-rescue. When the environment is unknown, the path needs to…

机器人学 · 计算机科学 2024-06-10 Arvi Jonnarth , Jie Zhao , Michael Felsberg

Radio maps (RMs) provide spatially continuous propagation characterizations essential for 6G network planning, but high-fidelity RM construction remains challenging. Rigorous electromagnetic solvers incur prohibitive computational latency,…

系统与控制 · 电气工程与系统科学 2026-03-27 Xiucheng Wang , Zixuan Guo , Nan Cheng

Radio maps (RMs), which provide location-based pathloss estimations, are fundamental to enabling proactive, environment-aware communication in 6G networks. However, existing deep learning-based methods for RM construction often model…

网络与互联网体系结构 · 计算机科学 2025-11-25 Honggang Jia , Nan Cheng , Xiucheng Wang

Industrial robots are widely used in various manufacturing environments due to their efficiency in doing repetitive tasks such as assembly or welding. A common problem for these applications is to reach a destination without colliding with…

机器人学 · 计算机科学 2023-01-18 Teham Bhuiyan , Linh Kästner , Yifan Hu , Benno Kutschank , Jens Lambrecht

The connectivity-aware path design is crucial in the effective deployment of autonomous Unmanned Aerial Vehicles (UAVs). Recently, Reinforcement Learning (RL) algorithms have become the popular approach to solving this type of complex…

机器人学 · 计算机科学 2022-11-08 Gianluca Fontanesi , Anding Zhu , Mahnaz Arvaneh , Hamed Ahmadi

The stringent performance requirements of future wireless networks, such as ultra-high data rates, extremely high reliability and low latency, are spurring worldwide studies on defining the next-generation multiple-input multiple-output…

信号处理 · 电气工程与系统科学 2023-05-16 Qiyu Hu , Yunlong Cai , Guangyi Zhang , Guanding Yu , Geoffrey Ye Li

This paper proposes a real-time self-adaptive approach for accurate path loss estimation in underground mines or tunnels based on signal strength measurements from heterogeneous radio communication technologies. The proposed model features…

网络与互联网体系结构 · 计算机科学 2019-08-13 Evgeny Osipov , Denis Kleyko , Alexey Shapin

In this paper we consider the problem of high accuracy localization of mobile nodes in a multipath-rich environment where sub-meter accuracies are required. We employ a peer to peer framework where the vehicles/nodes can get pairwise…

信息论 · 计算机科学 2010-11-30 Venkatesan Ekambaram , Kannan Ramchandran

Large bandwidth at mm-wave is crucial for 5G and beyond but the high path loss (PL) requires highly accurate PL prediction for network planning and optimization. Statistical models with slope-intercept fit fall short in capturing large…

信息论 · 计算机科学 2022-06-29 Ankit Gupta , Jinfeng Du , Dmitry Chizhik , Reinaldo A. Valenzuela , Mathini Sellathurai

Reliable geolocation of non-cooperative emitters in environments where Global Navigation Satellite Systems (GNSS) are unavailable or degraded is a key enabler for spectrum regulation, emergency response, autonomous mobility, and Integrated…

信号处理 · 电气工程与系统科学 2026-04-17 Rafal Szczepanik

Radio channel modeling is one of the most fundamental aspects in the process of designing, optimizing, and simulating wireless communication networks. In this field, long-established approaches such as analytical channel models and ray…

网络与互联网体系结构 · 计算机科学 2021-12-16 Benjamin Sliwa , Melina Geis , Caner Bektas , Melisa Lopéz , Preben Mogensen , Christian Wietfeld