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Deep neural networks (DNNs) have become a popular approach for wireless localization based on channel state information (CSI). A common practice is to use the raw CSI in the input and allow the network to learn relevant channel…

Signal Processing · Electrical Eng. & Systems 2022-12-07 Artan Salihu , Stefan Schwarz , Markus Rupp

ResNets (or Residual Networks) are one of the most commonly used models for image classification tasks. In this project, we design and train a modified ResNet model for CIFAR-10 image classification. In particular, we aimed at maximizing…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Aditya Thakur , Harish Chauhan , Nikunj Gupta

This paper addresses the critical challenges of communication overhead, data heterogeneity, and privacy in deep learning for channel state information (CSI) feedback in massive MIMO systems. To this end, we propose Fed-PELAD, a novel…

Information Theory · Computer Science 2025-10-30 Yixiang Zhou , Tong Wu , Meixia Tao , Jianhua Mo

Wireless channel foundation model (WCFM) is a task-agnostic AI model that is pre-trained to learn a universal channel representation for a wide range of communications and sensing tasks. While existing works on WCFM have demonstrated its…

Signal Processing · Electrical Eng. & Systems 2026-01-09 Yuwei Wang , Li Sun , Tingting Yang , Yuxuan Shi , Maged Elkashlan , Xiao Tang

Channel state information (CSI) at the base station (BS) is crucial to achieve beamforming and multiplexing gains in multiple-input multiple-output (MIMO) systems. State-of-the-art limited feedback schemes require feedback overhead that…

Information Theory · Computer Science 2018-10-17 Panos N. Alevizos , Xiao Fu , Nicholas D. Sidiropoulos , Yang Ye , Aggelos Bletsas

Deep learning has emerged as a promising solution for efficient channel state information (CSI) feedback in frequency division duplex (FDD) massive MIMO systems. Conventional deep learning-based methods typically rely on a deep autoencoder…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Haotian Tian , Lixiang Lian , Jiaqi Cao , Sijie Ji

Wi-Fi sensing is an emerging technology that uses channel state information (CSI) from ambient Wi-Fi signals to monitor human activity without the need for dedicated sensors. Wi-Fi sensing does not only represent a pivotal technology in…

Networking and Internet Architecture · Computer Science 2025-05-07 Paolo Cerutti , Fabio Palmese , Marco Cominelli , Alessandro E. C. Redondi

This work analyzes the performance of an underlay cognitive radio based decode-and-forward mixed multiple-input multiple-output (MIMO) radio frequency/free space optical (RF/FSO) cooperative relay system with multiple mobile secondary and…

Information Theory · Computer Science 2018-05-16 Neeraj Varshney , Aditya K. Jagannatham , Pramod K. Varshney

Federated bilevel optimization (FBO) has shown great potential recently in machine learning and edge computing due to the emerging nested optimization structure in meta-learning, fine-tuning, hyperparameter tuning, etc. However, existing…

Machine Learning · Computer Science 2023-12-29 Yifan Yang , Peiyao Xiao , Kaiyi Ji

Near-field (NF) line-of-sight (LoS) MIMO systems enable efficient channel state information (CSI) acquisition and precoding by exploiting known antenna geometries at both the base station (BS) and user equipment (UE). This paper introduces…

Signal Processing · Electrical Eng. & Systems 2025-05-08 Shima Eslami , Bikshapathi Gouda , Antti Tölli

Massive MIMO (Multiple-Input Multiple-Output) is an advanced wireless communication technology, using a large number of antennas to improve the overall performance of the communication system in terms of capacity, spectral, and energy…

Information Theory · Computer Science 2025-01-06 Ferhat Ozgur Catak , Murat Kuzlu , Umit Cali

Federated learning (FL) has attracted increasing attention as a promising approach to driving a vast number of end devices with artificial intelligence. However, it is very challenging to guarantee the efficiency of FL considering the…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-04-26 Wentai Wu , Ligang He , Weiwei Lin , Rui Mao , Carsten Maple , Stephen Jarvis

Massive multiple-input multiple-output (MIMO) system is promising in providing unprecedentedly high data rate. To achieve its full potential, the transceiver needs complete channel state information (CSI) to perform transmit/receive…

Information Theory · Computer Science 2022-02-08 Yu Zhang , Ahmed Alkhateeb , Pranav Madadi , Jeongho Jeon , Joonyoung Cho , Charlie Zhang

The deployment of a growing number of devices in Internet of Things (IoT) networks implies that uninterrupted and seamless adaptation of wireless communication parameters (e.g., carrier frequency, bandwidth and modulation) will become…

Systems and Control · Electrical Eng. & Systems 2024-07-03 Diptashree Das , Mohammad Abdi , Minghan Liu , Marvin Onabajo , Francesco Restuccia

In Reconfigurable intelligent surface (RIS)-assisted systems the acquisition of CSI and the optimization of the reflecting coefficients constitute a pair of salient design issues. In this paper, a novel channel training protocol is…

Information Theory · Computer Science 2021-06-01 Jiancheng An , Chao Xu , Li Wang , Yusha Liu , Lu Gan , Lajos Hanzo

WiFi sensing technology has shown superiority in smart homes among various sensors for its cost-effective and privacy-preserving merits. It is empowered by Channel State Information (CSI) extracted from WiFi signals and advanced machine…

Networking and Internet Architecture · Computer Science 2022-12-13 Jianfei Yang , Xinyan Chen , Han Zou , Dazhuo Wang , Lihua Xie

Wi-Fi sensing has emerged as a versatile tool for tasks such as localization, gesture recognition, and vital-sign monitoring, enabling applications from smart environments to personalized healthcare. However, sensing accuracy often…

Signal Processing · Electrical Eng. & Systems 2026-05-27 Fabian Portner , Francesco Gringoli , Matthias Hollick , Arash Asadi

Wireless communication networks rely heavily on channel state information (CSI) to make informed decision for signal processing and network operations. However, the traditional CSI acquisition methods is facing many difficulties:…

Information Theory · Computer Science 2015-08-25 Jingchu Liu , Ruichen Deng , Sheng Zhou , Zhisheng Niu

Designing high-performance substrate-integrated waveguide (SIW) filters with both closely spaced and widely separated resonances is challenging. Consequently, there is a growing need for robust methods that reduce reliance on time-consuming…

Machine Learning · Computer Science 2025-10-21 Mohammad Mashayekhi , Kamran Salehian , Abbas Ozgoli , Saeed Abdollahi , Abdolali Abdipour , Ahmed A. Kishk

Split Federated Learning (SFL) offers a promising approach for distributed model training in wireless networks, combining the layer-partitioning advantages of split learning with the federated aggregation that ensures global convergence.…

Machine Learning · Computer Science 2025-10-09 Haoran Gao , Samuel D. Okegbile , Jun Cai
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