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This paper considers channel estimation and achievable rates for the uplink of a massive multiple-input multiple-output (MIMO) system where the base station is equipped with one-bit analog-to-digital converters (ADCs). By rewriting the…

信息论 · 计算机科学 2016-11-15 Yongzhi Li , Cheng Tao , Liu Liu , Gonzalo Seco-Granados , A. Lee Swindlehurst

Distributed medium access control (MAC) protocols are essential for the proliferation of low cost, decentralized wireless local area networks (WLANs). Most MAC protocols are designed with the presumption that nodes comply with prescribed…

网络与互联网体系结构 · 计算机科学 2016-11-17 Khoa Tran Phan , Jaeok Park , Mihaela van der Schaar

Wheelset intermittent over-creeps (WIOs), i.e., slips or slides, can decrease the overall traction and braking performance of Electric Multiple Units (EMUs). However, they are difficult to detect and isolate due to their small magnitude and…

信号处理 · 电气工程与系统科学 2020-05-15 Yinghong Zhao , Xiao He , Donghua Zhou , Michael G. Pecht

Modern vehicles have multiple electronic control units (ECUs) that are connected together as part of a complex distributed cyber-physical system (CPS). The ever-increasing communication between ECUs and external electronic systems has made…

机器学习 · 计算机科学 2021-09-13 S. V. Thiruloga , V. K. Kukkala , S. Pasricha

In this paper, we propose low complexity algorithms based on Markov chain Monte Carlo (MCMC) technique for signal detection and channel estimation on the uplink in large scale multiuser multiple input multiple output (MIMO) systems with…

信息论 · 计算机科学 2012-01-31 Tanumay Datta , N. Ashok Kumar , A. Chockalingam , B. Sundar Rajan

This paper presents a novel and efficient wireless channel estimation scheme based on a tapped delay line (TDL) model of wireless signal propagation, where a data-driven machine learning approach is used to estimate the path delays and…

网络与互联网体系结构 · 计算机科学 2024-05-28 Zainab Zaidi , Tansu Alpcan , Christopher Leckie , Sarah Efrain

Device-free fall detection utilizing WiFi Channel State Information (CSI) has emerged as a promising, privacy-preserving solution for elderly health monitoring in the Internet of Things (IoT) era. However, existing deep learning approaches…

信号处理 · 电气工程与系统科学 2026-05-05 Yingzhe Wang , Cunhua Pan , Ruijing Liu , Shaokai Li , Hong Ren , Kezhi Wang , Jiangzhou Wang

The design of energy-efficient mechanisms is one of the key challenges in emerging wireless small cell networks. In this paper, a novel approach for opportunistically switching ON/OFF base stations to improve the energy efficiency in…

网络与互联网体系结构 · 计算机科学 2016-05-03 Sumudu Samarakoon , Mehdi Bennis , Walid Saad , Matti Latva-aho

The data collected by autonomous vehicle (AV) sensors such as LiDAR and cameras is crucial for creating high-definition (HD) maps to provide higher accuracy and enable a higher level of automation. Nevertheless, offloading this large volume…

网络与互联网体系结构 · 计算机科学 2026-03-11 Jeffrey Redondo , Nauman Aslam , Juan Zhang , Zhenhui Yuan

Wireless Sensor Networks forms the backbone of modern cyber physical systems used in various applications such as environmental monitoring, healthcare monitoring, industrial automation, and smart infrastructure. Ensuring the reliability of…

密码学与安全 · 计算机科学 2025-11-04 Rahul Mishra , Sudhanshu Kumar Jha , Omar Faruq Osama , Bishnu Bhusal , Sneha Sudhakaran , Naresh Kshetri

Cell-free massive MIMO (CF-mMIMO) provides wireless connectivity for a large number of user equipments (UEs) using access points (APs) distributed across a wide area with high spectral efficiency (SE). The energy efficiency (EE) of the…

Data rate selection algorithms for Wi-Fi devices are an important area of research because they directly impact performance. Most of the proposals are based on measuring the transmission success probability for a given data rate. In dense…

网络与互联网体系结构 · 计算机科学 2023-08-10 Wojciech Ciezobka , Maksymilian Wojnar , Katarzyna Kosek-Szott , Szymon Szott , Krzysztof Rusek

It has been known that load unaware channel selection in 802.11 networks results in high level interference, and can significantly reduce the network throughput. In current implementation, the only way to determine the traffic load on a…

网络与互联网体系结构 · 计算机科学 2016-04-05 Mehmet Karaca , Bjorn Landfeldt

In this paper, we present an efficient statistical method (denoted as "Adaptive Resources Allocation CUSUM") to robustly and efficiently detect the hotspot with limited sampling resources. Our main idea is to combine the multi-arm bandit…

机器学习 · 计算机科学 2022-08-18 Jiuyun Hu , Yajun Mei , Sarah Holte , Hao Yan

Channel state information (CSI) is crucial for massive multi-input multi-output (MIMO) system. As the antenna scale increases, acquiring CSI results in significantly higher system overhead. In this letter, we propose a novel channel…

信号处理 · 电气工程与系统科学 2024-08-14 Lianzheng Shi , Jianhua Zhang , Li Yu , Yuxiang Zhang , Zhen Zhang , Yichen Cai , Guangyi Liu

This article proposes and evaluates a technique to predict the level of interference in wireless networks. We design a recursive predictor that estimates future interference values by filtering measured interference at a given location. The…

机器学习 · 计算机科学 2021-02-11 Jorge F. Schmidt , Udo Schilcher , Mahin K. Atiq , Christian Bettstetter

We consider a binary hypothesis testing problem using Wireless Sensor Networks (WSNs). The decision is made by a fusion center and is based on received data from the sensors. We focus on a spectrum and energy efficient transmission scheme…

信息论 · 计算机科学 2018-11-14 Kobi Cohen , Amir Leshem

In this paper, we study jamming attacks against wireless networks. Specifically, we consider a network of base stations (BS) or access points (AP) and investigate the impact of a fixed number of jammers that are randomly deployed according…

信息论 · 计算机科学 2016-11-17 SaiDhiraj Amuru , Harpreet S. Dhillon , R. Michael Buehrer

The ability to predict the behavior of a wireless channel in terms of the frame delivery ratio is quite valuable, and permits, e.g., to optimize the operating parameters of a wireless network at runtime, or to proactively react to the…

网络与互联网体系结构 · 计算机科学 2023-12-14 Gabriele Formis , Stefano Scanzio , Gianluca Cena , Adriano Valenzano

Communication protocols and techniques are often evaluated using simulation techniques. However, the use of formal modeling and analysis techniques for verification and evaluation in particular for Wireless Sensor Networks (WSN) becomes a…

网络与互联网体系结构 · 计算机科学 2010-07-15 Hafedh Zayani , Kamel Barkaoui , Rahma Ben Ayed