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In this work, we face the issue of achieving an efficient dynamic mapping in vehicular networking scenarios, i.e., to obtain an accurate estimate of the positions and trajectories of connected vehicles in a certain area. State of the art…

Networking and Internet Architecture · Computer Science 2019-10-17 Federico Mason , Marco Giordani , Federico Chiariotti , Andrea Zanella , Michele Zorzi

Unmanned aerial vehicles (UAVs) enable efficient in-situ radiation characterization of large-aperture antennas directly in their deployment environments. In such measurements, a continuous-wave (CW) probe tone is commonly transmitted to…

Deep learning (DL) has achieved great success in signal processing and communications and has become a promising technology for future wireless communications. Existing works mainly focus on exploiting DL to improve the performance of…

Information Theory · Computer Science 2024-10-30 Jiajia Guo , Jinghe Wang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

This paper investigates the integrated sensing and communication (ISAC) in vehicle-to-infrastructure (V2I) networks. To realize ISAC, an effective beamforming design is essential which however, highly depends on the availability of accurate…

Signal Processing · Electrical Eng. & Systems 2022-04-28 Chang Liu , Weijie Yuan , Shuangyang Li , Xuemeng Liu , Husheng Li , Derrick Wing Kwan Ng , Yonghui Li

We introduce and analyze a new Markov model of the IEEE 802.11 Distributed Coordination Function (DCF) for wireless networks. The new model is derived from a detailed DCF description where transition probabilities are determined by precise…

Networking and Internet Architecture · Computer Science 2014-11-06 Rui Fang , Zequn Huang , Louis F. Rossi , Chien-Chung Shen

The fairness of IEEE 802.11 wireless networks (including Wireless LAN and Ad-hoc networks) is hard to predict and control because of the randomness and complexity of the MAC contentions and dynamics. Moreover, asymmetric channel conditions…

Networking and Internet Architecture · Computer Science 2007-12-14 Libin Jiang , Jean Walrand

Network technologies are traditionally based on wireline solutions. But the introduction of the IEEE 802.11 standards have made a huge impact on the market such that laptops, PCs, printers, cellphones, and VoIP phones, MP3 players in our…

Networking and Internet Architecture · Computer Science 2014-03-11 Sourangsu Banerji , Rahul Singha Chowdhury

The use of future communication systems for sensing offers the potential for a number of new applications. In this paper, we show that leveraging user data payloads in multi-node Orthogonal Frequency Division Multiple Access (OFDMA)…

Signal Processing · Electrical Eng. & Systems 2025-03-10 Marc Miranda , Sebastian Semper , Christian Schneider , Reiner Thomä , Giovanni Del Galdo

Network coding is an effective idea to boost the capacity of wireless networks, and a variety of studies have explored its advantages in different scenarios. However, there is not much analytical study on throughput and end-to-end delay of…

Networking and Internet Architecture · Computer Science 2018-01-09 Somayeh Kafaie , Mohamed Hossam Ahmed , Yuanzhu Chen , Octavia A. Dobre

Conventional delay-Doppler (DD) communication and sensing systems require transmitting pilot frames at every channel coherence time interval in order to keep track of channel variations at the cost of spectral efficiency. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2026-04-09 Nishant Mehrotra , Sandesh Rao Mattu , Robert Calderbank

Integrated sensing and communications (ISAC), radar, and beamforming require real-time, high-resolution estimation algorithms to determine delay-Doppler values of specular paths within the wireless propagation channel. Our contribution is…

Signal Processing · Electrical Eng. & Systems 2026-01-22 Lorenz Mohr , Michael Döbereiner , Steffen Schieler , Joerg Robert , Christian Schneider , Sebastian Semper , Reiner S. Thomä

A churn prediction system guides telecom service providers to reduce revenue loss. However, the development of a churn prediction system for a telecom industry is a challenging task, mainly due to the large size of the data, high…

Machine Learning · Computer Science 2019-03-06 Uzair Ahmed , Asifullah Khan , Saddam Hussain Khan , Abdul Basit , Irfan Ul Haq , Yeon Soo Lee

The growing interest in satellite imagery has triggered the need for efficient mechanisms to extract valuable information from these vast data sources, providing deeper insights. Even though deep learning has shown significant progress in…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Wadii Boulila , Eman Alshanqiti , Ayyub Alzahem , Anis Koubaa , Nabil Mlaiki

Channel uncertainty and co-channel interference are two major challenges in the design of wireless systems such as future generation cellular networks. This paper studies receiver design for a wireless channel model with both time-varying…

Information Theory · Computer Science 2009-10-15 Yan Zhu , Dongning Guo , Michael L. Honig

Wireless networked control system (WNCS) connecting sensors, controllers, and actuators via wireless communications is a key enabling technology for highly scalable and low-cost deployment of control systems in the Industry 4.0 era. Despite…

Systems and Control · Electrical Eng. & Systems 2024-10-28 Zihuai Zhao , Wanchun Liu , Daniel E. Quevedo , Yonghui Li , Branka Vucetic

This paper proposes a deep learning (DL) model for automatic sleep stage classification based on single-channel EEG data. The DL model features a convolutional neural network (CNN) and transformers. The model was designed to run on energy…

Signal Processing · Electrical Eng. & Systems 2022-11-24 Zongyan Yao , Xilin Liu

Research on machine learning for channel estimation, especially neural network solutions for wireless communications, is attracting significant current interest. This is because conventional methods cannot meet the present demands of the…

Signal Processing · Electrical Eng. & Systems 2022-01-26 Dianxin Luan , John Thompson

Mobility scenarios involving short contact times pose a challenge for high bandwidth data transfer between autonomous vehicles and roadside base stations (BS). Millimeter wave bands are a viable solution as they offer enormous bandwidth in…

Signal Processing · Electrical Eng. & Systems 2017-12-08 Guillem Reus Muns , Kumar Vijay Mishra , Carlos Bocanegra Guerra , Yonnina C. Eldar , Kaushik R. Chowdhury

In this paper we suggest a novel idea to improve the Throughput of a rapidly chang- ing WiFi channel by exploiting the standard aggregation schemes in IEEE 802.11ac networks, and by transmitting several copies of the same MPDU(s) in a…

Networking and Internet Architecture · Computer Science 2018-03-28 Oran Sharon , Yaron Alpert

In recent years, applying Deep Learning (DL) techniques emerged as a common practice in the communication system, demonstrating promising results. The present paper proposes a new Convolutional Neural Network (CNN) based Variational…

Signal Processing · Electrical Eng. & Systems 2020-05-20 Raghu Vamshi Hemadri , Akshay Rayaluru , Rahul Jashvantbhai Pandya