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We propose a coordinated random access scheme for industrial internet-of-things (IIoT) scenarios, with machine-type devices (MTDs) generating sporadic correlated traffic. This occurs, e.g., when external events trigger data generation at…

网络与互联网体系结构 · 计算机科学 2021-09-20 Alberto Rech , Stefano Tomasin

The Internet of Things (IoT) is a communication scheme which allows various objects to exchange several types of information, enabling functions such as home automation, production management, healthcare, etc. In addition, energy-harvesting…

网络与互联网体系结构 · 计算机科学 2024-07-26 Gyupil Kam , Kiseop Chung

Internet of Things (IoT) defines a network of devices connected to the internet and sharing a massive amount of data between each other and a central location. These IoT devices are connected to a network therefore prone to attacks. Various…

网络与互联网体系结构 · 计算机科学 2021-11-16 Muhammad Basit Umair , Zeshan Iqbal , Muhammad Bilal , Tarik Adnan Almohamad , Jamel Nebhen , Raja Majid Mehmood

Orthogonal Frequency Division Multiplexing (OFDM) is the key component of many emerging broadband wireless access standards. The resource allocation in OFDM uplink, however, is challenging due to heterogeneity of users' Quality of Service…

网络与互联网体系结构 · 计算机科学 2015-03-17 Xiaoxin Zhang , Liang Chen , Jianwei Huang , Minghua Chen , Yuping Zhao

Deep learning (DL) methods have outperformed parametric models such as historical average, ARIMA and variants in predicting traffic variables into short and near-short future, that are critical for traffic management. Specifically,…

机器学习 · 计算机科学 2023-07-18 Agnimitra Sengupta , Adway Das , S. Ilgin Guler

Although it is often used in the orthogonal frequency division multiplexing (OFDM) systems, application of massive multiple-input multiple-output (MIMO) over the orthogonal time frequency space (OTFS) modulation could suffer from enormous…

信号处理 · 电气工程与系统科学 2020-03-17 Yushan Liu , Shun Zhang , Feifei Gao , Jianpeng Ma , Xianbin Wang

Due to the rapid growth of data transmissions in internet of vehicles (IoV), finding schemes that can effectively alleviate access congestion has become an important issue. Recently, many traffic control schemes have been studied.…

网络与互联网体系结构 · 计算机科学 2022-04-13 Haijun Zhang , Minghui Jiang , Xiangnan Liu , Keping Long , Victor C. M. Leung

This article studies the joint problem of uplink-downlink scheduling and power allocation for controlling a large number of actuators that upload their states to remote controllers and download control actions over wireless links. To…

信息论 · 计算机科学 2021-01-29 Abanoub M. Girgis , Jihong Park , Mehdi Bennis , Mérouane Debbah

Autonomous Vehicles navigating in urban areas have a need to understand and predict future pedestrian behavior for safer navigation. This high level of situational awareness requires observing pedestrian behavior and extrapolating their…

机器学习 · 统计学 2018-09-18 Pavan Vasishta , Dominique Vaufreydaz , Anne Spalanzani

We derive a robust update rule for the online infinite hidden Markov model (iHMM) for when the streaming data contains outliers and the model is misspecified. Leveraging recent advances in generalised Bayesian inference, we define…

机器学习 · 统计学 2026-05-13 Horace Yiu , Leandro Sánchez-Betancourt , Álvaro Cartea , Gerardo Duran-Martin

Recent advances in the integration of vehicular sensor network (VSN) technology, and crowd sensing leveraging pervasive sensors called onboard units (OBUs), like smartphones and radio frequency IDentifications to provide sensing services,…

网络与互联网体系结构 · 计算机科学 2013-11-12 Jiajun Sun

We propose a combined uplink/downlink opportunistic scheduling algorithm for infrastructure WLANs. In the presence of both uplink and downlink flows, an infrastructure WLAN suffers from the uplink/downlink unfairness problem which severely…

网络与互联网体系结构 · 计算机科学 2013-10-31 Nischal S , Vinod Sharma

The integration of Internet of Things (IoT) technology in various domains has led to operational advancements, but it has also introduced new vulnerabilities to cybersecurity threats, as evidenced by recent widespread cyberattacks on IoT…

密码学与安全 · 计算机科学 2025-01-06 Alaeddine Diaf , Abdelaziz Amara Korba , Nour Elislem Karabadji , Yacine Ghamri-Doudane

The optimal design of the energy-efficient multiple-input multiple-output (MIMO) aided uplink ultra-reliable low-latency communications (URLLC) system is an important but unsolved problem. For such a system, we propose a novel…

信息论 · 计算机科学 2022-09-05 Linlin Zhao , Shaoshi Yang , Xuefen Chi , Wanzhong Chen , Shaodan Ma

Large communication networks, e.g. Internet of Things (IoT), are known to be vulnerable to co-channel interference. One possibility to address this issue is the use of orthogonal multiple access (OMA) techniques. However, due to a…

信息论 · 计算机科学 2020-03-20 Steven Kisseleff , Symeon Chatzinotas , Björn Ottersten

We show how models for prediction with expert advice can be defined concisely and clearly using hidden Markov models (HMMs); standard HMM algorithms can then be used to efficiently calculate, among other things, how the expert predictions…

机器学习 · 计算机科学 2008-02-15 Wouter Koolen , Steven de Rooij

In this paper, we develop a new methodology to provide high assurance about privacy in Cooperative Intelligent Transport Systems (C-ITS). Our focus lies on vehicle-to-everything (V2X) communications enabled by Cooperative Awareness Basic…

密码学与安全 · 计算机科学 2023-01-11 Yevhen Zolotavkin , Yurii Baryshev , Vitalii Lukichov , Jannik Mähn , Stefan Köpsell

The rapid expansion of Internet of Things (IoT) devices has increased the risk of cyber-attacks, making effective detection essential for securing IoT networks. This work introduces a novel approach combining Self-Organizing Maps (SOMs),…

密码学与安全 · 计算机科学 2025-03-05 Ahmed Bensaoud , Jugal Kalita

This paper considers an uplink Internet of Things system with synchronous periodic traffic, where multiple devices generate their status updates at the beginning of each global frame and attempt to send them to a common access point. To…

信息论 · 计算机科学 2023-07-07 Yuqing Zhu , Yiwen Zhu , Aoyu Gong , Yan Lin , Yijin Zhang

Massive MIMO systems, where the base stations are equipped with hundreds of antennas, are an attractive way to handle the rapid growth of data traffic. As the number of users increases, the initial access and handover in contemporary…

信息论 · 计算机科学 2016-05-04 Luca Sanguinetti , Antonio A. D'Amico , Michele Morelli , Merouane Debbah