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IEEE 802.11p standard defines wireless technology protocols that enable vehicular transportation and manage traffic efficiency. A major challenge in the development of this technology is ensuring communication reliability in highly dynamic…

信息论 · 计算机科学 2022-01-19 Abdul Karim Gizzini , Marwa Chafii , Ahmad Nimr , Raed M. Shubair , Gerhard Fettweis

Vehicular wireless channels are highly time-varying and the pilot pattern in the 802.11p orthogonal frequency-division multiplexing frame has been shown to be ill suited for long data packets. The high frame error rate in off-the-shelf…

信息论 · 计算机科学 2016-11-18 Keerthi Kumar Nagalapur , Fredrik Brännström , Erik G. Ström

In modern communication systems, having an accurate channel estimator is crucial. However, when there is mobility, it becomes difficult to estimate the channel and the pilot signals, which are used for channel estimation, become…

信号处理 · 电气工程与系统科学 2025-02-06 Simbarashe Aldrin Ngorima , Albert Helberg , Marelie H. Davel

Longlshort-term memory (LSTM) is a deep learning model that can capture long-term dependencies of wireless channel models and is highly adaptable to short-term changes in a wireless environment. This paper proposes a simple LSTM model to…

The critical nature of vehicular communications requires their extensive testing and evaluation. Analytical models can represent an attractive and cost-effective approach for such evaluation if they can adequately model all underlying…

网络与互联网体系结构 · 计算机科学 2021-11-22 Miguel Sepulcre , Manuel Gonzalez-Martin , Javier Gozalvez , Rafael Molina-Masegosa , Baldomero Coll-Perales

Automatic modulation recognition (AMR) critically contributes to spectrum sensing, dynamic spectrum access, and intelligent communications in cognitive radio systems. The introduction of deep learning has greatly improved the accuracy of…

信号处理 · 电气工程与系统科学 2024-12-12 Shuo Wang , Kuojun Yang , Zelin Ji , Qinchuan Zhang , Huiqing Pan

Long short-term memory (LSTM) based acoustic modeling methods have recently been shown to give state-of-the-art performance on some speech recognition tasks. To achieve a further performance improvement, in this research, deep extensions on…

计算与语言 · 计算机科学 2015-05-12 Xiangang Li , Xihong Wu

Accurate velocity estimation is key to vehicle control. While the literature describes how model-based and learning-based observers are able to estimate a vehicle's velocity in normal driving conditions, the challenge remains to estimate…

机器人学 · 计算机科学 2023-04-03 Agapius Bou Ghosn , Marcus Nolte , Philip Polack , Arnaud de La Fortelle , Markus Maurer

The ever-increasing demand to extract temporal correlations across sequential data and perform context-based learning in this era of big data has led to the development of long short-term memory (LSTM) networks. Furthermore, there is an…

新兴技术 · 计算机科学 2022-04-06 Honey Nikam , Siddharth Satyam , Shubham Sahay

Spectrum sensing allows cognitive radio systems to detect relevant signals in despite the presence of severe interference. Most of the existing spectrum sensing techniques use a particular signal-noise model with certain assumptions and…

信息论 · 计算机科学 2021-12-07 Nupur Choudhury , Kandarpa Kumar Sarma , Chinmoy Kalita , Aradhana Misra

The aim of this paper is to enhance the quality of Orthogonal Frequency Division Multiplexing OFDM estimation in dedicated vehicular communication transmission V2X networks. Wireless Access in Vehicular Environment WAVE as also known IEEE…

网络与互联网体系结构 · 计算机科学 2014-06-24 Aymen Sassi , Faiza Charfi , Lotfi Kamoun , Yassin Elhillali , Atika Rivenq

We propose a method using a long short-term memory (LSTM) network to estimate the noise power spectral density (PSD) of single-channel audio signals represented in the short time Fourier transform (STFT) domain. An LSTM network common to…

信号处理 · 电气工程与系统科学 2020-11-11 Xiaofei Li , Simon Leglaive , Laurent Girin , Radu Horaud

Satellite clock bias prediction plays a crucial role in enhancing the accuracy of satellite navigation systems. In this paper, we propose an approach utilizing Long Short-Term Memory (LSTM) networks to predict satellite clock bias. We…

机器学习 · 计算机科学 2024-11-12 Ahan Bhatt , Ishaan Mehta , Pravin Patidar

We propose a novel deep learning-based channel estimation technique for high-dimensional communication signals that does not require any training. Our method is broadly applicable to channel estimation for multicarrier signals with any…

信号处理 · 电气工程与系统科学 2019-04-23 Eren Balevi , Jeffrey G. Andrews

Reliable traffic flow prediction is crucial to creating intelligent transportation systems. Many big-data-based prediction approaches have been developed but they do not reflect complicated dynamic interactions between roads considering…

机器学习 · 计算机科学 2023-06-21 Won Kyung Lee , Deuk Sin Kwon , So Young Sohn

Wi-Fi plays a crucial role in connecting electronic devices and providing communication services in everyday life. Recently, there has been a growing demand for services that require low-latency communication, such as real-time…

信息论 · 计算机科学 2025-08-29 Seungmin Lee , Changmin Lee , Si-Chan Noh , Joonsoo Lee

With the development of the sixth-generation (6G) communication system, Channel State Information (CSI) plays a crucial role in improving network performance. Traditional Channel Charting (CC) methods map high-dimensional CSI data to…

信号处理 · 电气工程与系统科学 2026-02-03 Yuan Gao , Wenjing Xie , Yiming Liu , Bintao Hu , Jianbo Du , Shugong Xu

We introduce for the first time the utilization of Long short-term memory (LSTM) neural network architectures for the compensation of fiber nonlinearities in digital coherent systems. We conduct numerical simulations considering either…

信号处理 · 电气工程与系统科学 2020-12-16 Stavros Deligiannidis , Adonis Bogris , Charis Mesaritakis , Yannis Kopsinis

The fleet management of mobile working machines with the help of connectivity can increase not only safety but also productivity. However, rare mobile working machines have taken advantage of V2X. Moreover, no one published the simulation…

网络与互联网体系结构 · 计算机科学 2020-04-24 Yusheng Xiang , Tianqing Su , Xiaole Liu , Marcus Geimer

This paper looks into the technology classification problem for a distributed wireless spectrum sensing network. First, a new data-driven model for Automatic Modulation Classification (AMC) based on long short term memory (LSTM) is…

网络与互联网体系结构 · 计算机科学 2018-07-12 Sreeraj Rajendran , Wannes Meert , Domenico Giustiniano , Vincent Lenders , Sofie Pollin
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