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The paper presents a novel Wi-Fi fingerprinting system that uses Channel State Information (CSI) data for fine-grained pedestrian localization. The proposed system exploits the frequency diversity and spatial diversity of the features…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Muhammad Emad-ud-din

This paper presents a study on the use of Convolutional Neural Networks for camera relocalisation and its application to map compression. We follow state of the art visual relocalisation results and evaluate the response to different data…

Computer Vision and Pattern Recognition · Computer Science 2018-05-17 Luis Contreras , Walterio Mayol-Cuevas

Modulation recognition is a challenging task while performing spectrum sensing in a cognitive radio setup. Recently, the use of deep convolutional neural networks (CNNs) has shown to achieve state-of-the-art accuracy for modulation…

Signal Processing · Electrical Eng. & Systems 2018-03-06 Kumar Yashashwi , Amit Sethi , Prasanna Chaporkar

A new wave of wireless services, including virtual reality, autonomous driving and internet of things, is driving the design of new generations of wireless systems to deliver ultra-high data rates, massive number of connected devices and…

Information Theory · Computer Science 2019-12-24 Zhenyu Liu , Lin Zhang , Zhi Ding

Coded caching provides significant gains over conventional uncoded caching by creating multicasting opportunities among distinct requests. Massive multiple-input multiple-output (MIMO) systems require downlink channel state information…

Information Theory · Computer Science 2019-07-08 Qianqian Yang , Mahdi Boloursaz Mashhadi , Deniz Gündüz

Deep learning has advanced fMRI analysis, yet it remains unclear which architectural inductive biases are most effective at capturing functional patterns in human brain activity. This issue is particularly important in small-sample…

Neurons and Cognition · Quantitative Biology 2025-09-23 Behdad Khodabandehloo , Reza Rajimehr

In this article, we present a survey of recent advances in passive human behaviour recognition in indoor areas using the channel state information (CSI) of commercial WiFi systems. Movement of human body causes a change in the wireless…

Artificial Intelligence · Computer Science 2017-08-25 Siamak Yousefi , Hirokazu Narui , Sankalp Dayal , Stefano Ermon , Shahrokh Valaee

Accurate and efficient estimation of the high dimensional channels is one of the critical challenges for practical applications of massive multiple-input multiple-output (MIMO). In the context of hybrid analog-digital (HAD) transceivers,…

Information Theory · Computer Science 2022-02-08 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

In a frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) system, the acquisition of downlink channel state information (CSI) at base station (BS) is a very challenging task due to the overwhelming overheads…

Signal Processing · Electrical Eng. & Systems 2019-08-27 Yuwen Yang , Feifei Gao , Geoffrey Ye Li , Mengnan Jian

Multi-target tracking (MTT) is a classical signal processing task, where the goal is to estimate the states of an unknown number of moving targets from noisy sensor measurements. In this paper, we revisit MTT from a deep learning…

Signal Processing · Electrical Eng. & Systems 2024-05-15 Damian Owerko , Charilaos I. Kanatsoulis , Jennifer Bondarchuk , Donald J. Bucci , Alejandro Ribeiro

Deep learning (DL) techniques have had unprecedented success when applied to images, waveforms, and texts to cite a few. In general, when the sample size (N) is much greater than the number of features (d), DL outperforms previous machine…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Thanh Hai Nguyen , Yann Chevaleyre , Edi Prifti , Nataliya Sokolovska , Jean-Daniel Zucker

Artificial intelligence (AI) based downlink channel state information (CSI) prediction for frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems has attracted growing attention recently. However, existing…

Information Theory · Computer Science 2020-09-08 Yuwen Yang , Feifei Gao , Zhimeng Zhong , Bo Ai , Ahmed Alkhateeb

In an extra-large scale MIMO (XL-MIMO) system, the antenna arrays have a large physical size that goes beyond the dimensions in traditional MIMO systems. Because of this large dimensionality, the optimization of an XL-MIMO system leads to…

Signal Processing · Electrical Eng. & Systems 2020-02-04 Abolfazl Amiri , Carles Navarro Manch'on , Elisabeth de Carvalho

In this paper, a non-orthogonal multiple access (NOMA) system with partial channel state information (CSI) for downlink and uplink transmission in mobile scenarios is considered, i.e., users are deployed randomly and will move casually…

Information Theory · Computer Science 2020-08-19 Hao Qiu , Shaoshuai Gao

Convolutional neural networks (CNNs) have been widely utilized in many computer vision tasks. However, CNNs have a fixed reception field and lack the ability of long-range perception, which is crucial to human pose estimation. Due to its…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Zinan Xiong , Chenxi Wang , Ying Li , Yan Luo , Yu Cao

Massive multiple-input multiple-output (MIMO) systems require downlink channel state information (CSI) at the base station (BS) to better utilize the available spatial diversity and multiplexing gains. However, in a frequency division…

Information Theory · Computer Science 2021-02-15 Mahdi Boloursaz Mashhadi , Qianqian Yang , Deniz Gunduz

In this paper, we propose a Computer Assisted Diagnosis (CAD) system based on a deep Convolutional Neural Network (CNN) model, to build an end-to-end learning process that classifies breast mass lesions. We investigate the impact that has…

Computer Vision and Pattern Recognition · Computer Science 2017-11-30 Hiba Chougrad , Hamid Zouaki , Omar Alheyane

Light detection and ranging (LiDAR) has been utilized for optimizing wireless communications due to its ability to detect the environment. This paper explores the use of LiDAR in channel estimation for wideband multi-user…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Haotian Zhang , Shijian Gao , Xiang Cheng , Liuqing Yang

Accurate and effective channel state information (CSI) feedback is a key technology for massive multiple-input and multiple-output (MIMO) systems. Recently, deep learning (DL) has been introduced to enhance CSI feedback in massive MIMO…

Signal Processing · Electrical Eng. & Systems 2023-02-01 Han Xiao , Wenqiang Tian , Wendong Liu , Zhi Zhang , Zhihua Shi , Li Guo , Jia Shen

In contrast to fully connected networks, Convolutional Neural Networks (CNNs) achieve efficiency by learning weights associated with local filters with a finite spatial extent. An implication of this is that a filter may know what it is…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Md Amirul Islam , Sen Jia , Neil D. B. Bruce