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Reconfigurable intelligent surface (RIS) is considered as a revolutionary technology for future wireless communication networks. In this letter, we consider the acquisition of the time-varying cascaded channels, which is a challenging task…

信号处理 · 电气工程与系统科学 2021-08-13 Meng Xu , Shun Zhang , Jianpeng Ma , Octavia A. Dobre

Deep learning (DL) methods have been shown to improve the performance of several use cases for the fifth-generation (5G) New radio (NR) air interface. In this paper we investigate user equipment (UE) positioning using the channel state…

信号处理 · 电气工程与系统科学 2024-08-29 Anastasios Foliadis , Mario H. Castañeda , Richard A. Stirling-Gallacher , Reiner S. Thomä

Radio frequency (RF)-based techniques are widely adopted for indoor localization despite the challenges in extracting sufficient information from measurements. Soft range information (SRI) offers a promising alternative for highly accurate…

机器学习 · 计算机科学 2023-05-24 Yuxiao Li , Santiago Mazuelas , Yuan Shen

Distributed Acoustic Sensing (DAS) using fiber optic cables is a promising new technology for pipeline monitoring and protection. In this work, we applied and compared two approaches for event detection using DAS: Classic machine learning…

机器学习 · 计算机科学 2019-04-29 Mugdim Bublin

The gains afforded by cloud radio access network (C-RAN) in terms of savings in capital and operating expenses, flexibility, interference management and network densification rely on the presence of high-capacity low-latency fronthaul…

信息论 · 计算机科学 2016-08-29 Osvaldo Simeone , Jinkyu Kang , Joonhyuk Kang , Shlomo Shamai

This letter mainly studies the transmit antenna selection(TAS) based on deep learning (DL) scheme in untrusted relay networks. In previous work, we discover that machine learning (ML)-based antenna selection schemes have small performance…

信号处理 · 电气工程与系统科学 2019-01-11 Rugui Yao , Yuxin Zhang , Shengyao Wang , Nan Qi , Theodoros A. Tsiftsis , Nikos I. Miridakis

Self-supervised pretraining in remote sensing is mostly done using mid-spatial resolution (MR) image datasets due to their high availability. Given the release of high-resolution (HR) datasets, we ask how HR datasets can be included in…

计算机视觉与模式识别 · 计算机科学 2026-05-05 John Waithaka , Gustave Bwirayesu , Moise Busogi

Reconfigurable Intelligent Surface (RIS) panels are envisioned as a key technology for sixth-generation (6G) wireless networks, providing a cost-effective means to enhance coverage and spectral efficiency. A critical challenge is the…

Taking advantage of the rich information provided by Wi-Fi measurement setups, Wi-Fi-based human behavior sensing leveraging Channel State Information (CSI) measurements has received a lot of research attention in recent years. The…

人机交互 · 计算机科学 2021-08-03 Lingchao Guo , Zhaoming Lu , Xiangming Wen , Liming Wang , David Gesbert , Zijun Han

In millimeter wave (mmWave) vehicular communications, multi-hop relay disconnection by line-of-sight (LOS) blockage is a critical problem, especially in the early diffusion phase of mmWave-available vehicles, where not all the vehicles have…

网络与互联网体系结构 · 计算机科学 2019-03-25 Akihito Taya , Takayuki Nishio , Masahiro Morikura , Koji Yamamoto

Reconfigurable intelligent surfaces (RISs) are envisioned as a key enabler for next-generation wireless networks, offering programmable control over propagation environments. While extensive research focuses on planar RIS architectures,…

信号处理 · 电气工程与系统科学 2026-02-16 Mohamadreza Delbari , Ehsan Mohammadi , Mostafa Darabi , Arash Asadi , Alejandro Jiménez-Sáez , Vahid Jamali

Characterizing user to Remote Radio Head (RRH) association strategies in cloud radio access networks (C-RANs) is critical for performance optimization. In this letter, the single nearest and N--nearest RRH association strategies are…

信息论 · 计算机科学 2016-11-17 Mugen Peng , Shi Yan , H. Vincent Poor

Human motion recognition (HMR) based on wireless sensing is a low-cost technique for scene understanding. Current HMR systems adopt support vector machines (SVMs) and convolutional neural networks (CNNs) to classify radar signals. However,…

信息论 · 计算机科学 2021-04-22 Guoliang Li , Shuai Wang , Jie Li , Rui Wang , Xiaohui Peng , Tony Xiao Han

Knowledge of information about the propagation channel in which a wireless system operates enables better, more efficient approaches for signal transmissions. Therefore, channel state information (CSI) plays a pivotal role in the system…

信息论 · 计算机科学 2018-12-04 Zhiyuan Jiang , Sheng Chen , Andreas F. Molisch , Rath Vannithamby , Sheng Zhou , Zhisheng Niu

In this article, we study a Radio Resource Allocation (RRA) that was formulated as a non-convex optimization problem whose main aim is to maximize the spectral efficiency subject to satisfaction guarantees in multiservice wireless systems.…

The emerging immersive and autonomous services have posed stringent requirements on both communications and localization. By considering the great potential of reconfigurable intelligent surface (RIS), this paper focuses on the joint…

信号处理 · 电气工程与系统科学 2024-03-05 Yunfei Li , Yiting Luo , Xianda Wu , Zheng Shi , Shaodan Ma , Guanghua Yang

In supervised deep learning, learning good representations for remote--sensing images (RSI) relies on manual annotations. However, in the area of remote sensing, it is hard to obtain huge amounts of labeled data. Recently, self--supervised…

机器学习 · 计算机科学 2022-09-27 Qinglin Li , Bin Li , Jonathan M Garibaldi , Guoping Qiu

In this paper, we present a robust and low complexity deep learning model for Remote Sensing Image Classification (RSIC), the task of identifying the scene of a remote sensing image. In particular, we firstly evaluate different low…

计算机视觉与模式识别 · 计算机科学 2022-12-13 Cam Le , Lam Pham , Nghia NVN , Truong Nguyen , Le Hong Trang

Recently, deep learning-based positioning systems have gained attention due to their higher performance relative to traditional methods. However, obtaining the expected performance of deep learning-based systems requires large amounts of…

信号处理 · 电气工程与系统科学 2019-06-20 Hamada Rizk , Ahmed Shokry , Moustafa Youssef

The ultra-dense cloud radio access network (UD-CRAN), in which remote radio heads (RRHs) are densely deployed in the network, is considered. To reduce the channel estimation overhead, we focus on the design of robust transmit beamforming…

信号处理 · 电气工程与系统科学 2018-04-12 Cunhua Pan , Hong Ren , Maged Elkashlan , Arumugam Nallanathan , Lajos Hanzo