中文
相关论文

相关论文: Primary User Traffic Estimation for Dynamic Spectr…

200 篇论文

With the continued deployment of synchronized Phasor Measurement Units (PMUs), high sample rate data are rapidly increasing the real time observability of power systems. Prior research has shown that the statistics of these data can provide…

系统与控制 · 计算机科学 2018-05-11 Samuel Chevalier , Paul D. H. Hines

This paper studies the opportunistic spectrum access (OSA) of the secondary users in a large-scale overlay cognitive radio (CR) network. Two threshold-based OSA schemes, namely the primary receiver assisted (PRA) protocol and the primary…

信息论 · 计算机科学 2016-11-18 Xiaoshi Song , Changchuan Yin , Danpu Liu , Rui Zhang

Critical incident stages identification and reasonable prediction of traffic incident duration are essential in traffic incident management. In this paper, we propose a traffic incident duration prediction model that simultaneously predicts…

机器学习 · 计算机科学 2019-11-21 Kaiqun Fu , Taoran Ji , Liang Zhao , Chang-Tien Lu

Data on citywide street-segment traffic volumes are essential for urban planning and sustainable mobility management. Yet such data are available only for a limited subset of streets due to the high costs of sensor deployment and…

信号处理 · 电气工程与系统科学 2026-01-19 Silke K. Kaiser

Current navigation systems conflate time-to-drive with the true time-to-arrive by ignoring parking search duration and the final walking leg. Such underestimation can significantly affect user experience, mode choice, congestion, and…

系统与控制 · 电气工程与系统科学 2026-02-03 Cameron Hickert , Sirui Li , Zhengbing He , Cathy Wu

Speed advisory systems for connected vehicles rely on the estimation of green (or red) light duration at signalized intersections. A particular challenge is to predict the signal phases of semi- and fully-actuated traffic lights. In this…

系统与控制 · 电气工程与系统科学 2021-07-23 Mikhail Burov , Murat Arcak , Alexander Kurzhanskiy

Due to urbanization and the increase of individual mobility, in most metropolitan areas around the world congestion and inefficient traffic management occur. Highly necessary intelligent traffic control systems, which are able to reduce…

机器学习 · 计算机科学 2019-05-13 Simon F. G. Ehlers

The Opportunistic Spectrum Access (OSA) model has been developed for the secondary users (SUs) to exploit the stochastic dynamics of licensed channels for file transfer in an opportunistic manner. Common approaches to design channel sensing…

最优化与控制 · 数学 2022-10-07 Jie Hu , Vishwaraj Doshi , Do Young Eun

Real-time transmission line outage detection is difficult because of partial phasor measurement unit (PMU) deployment and varying outage signal strength. Existing detection approaches focus on monitoring PMU-measured nodal algebraic states,…

系统与控制 · 电气工程与系统科学 2021-10-28 Xiaozhou Yang , Nan Chen , Chao Zhai

In vehicular communications, reliable channel estimation is critical for the system performance due to the doubly-dispersive nature of vehicular channels. IEEE 802.11p standard allocates insufficient pilots for accurate channel tracking.…

信息论 · 计算机科学 2022-01-19 Abdul Karim Gizzini , Marwa Chafii , Shahab Ehsanfar , Raed M. Shubair

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

For real-time traffic, the link quality and call blocking probability (both derived from coverage probability) are realized to be poor for cell edge users (CEUs) compared to cell center users (CCUs) as the signal reception in the cell…

信息论 · 计算机科学 2017-03-10 Praful D. Mankar , Goutam Das , S. S. Pathak

Besides the traditional data collection by stationary detectors, recent advances in wireless and sensor technologies have promoted new potentials for a vehicle-based data collection and local dissemination of information. By means of…

其他计算机科学 · 计算机科学 2010-12-22 Arne Kesting , Martin Treiber

This work introduces an integrated approach to optimizing urban traffic by combining predictive modeling of vehicle flow, adaptive traffic signal control, and a modular integration architecture through distributed messaging. Using real-time…

系统与控制 · 电气工程与系统科学 2025-05-20 Ismail Zrigui , Samira Khoulji , Mohamed Larbi Kerkeb

Dynamic Spectrum Access systems exploit temporarily available spectrum (`white spaces') and can spread transmissions over a number of non-contiguous sub-channels. Such methods are highly beneficial in terms of spectrum utilization. However,…

网络与互联网体系结构 · 计算机科学 2010-04-19 Ed Coffman , Philippe Robert , Florian Simatos , Shuzo Tarumi , Gil Zussman

Urban traffic flow prediction using data-driven models can play an important role in route planning and preventing congestion on highways. These methods utilize data collected from traffic recording stations at different timestamps to…

机器学习 · 计算机科学 2022-04-22 Mehdi Mehdipour Ghazi , Amin Ramezani , Mehdi Siahi , Mostafa Mehdipour Ghazi

In this article, we survey the main models, techniques, concepts, and results centered on the design and performance evaluation of engineered systems that rely on a utilization-dependent component (UDC) whose operation may depend on its…

最优化与控制 · 数学 2021-01-13 Varun Jog , Richard J. La , Michael Lin , Nuno C. Martins

Consider the problem of a multi-user multiple access channel. While several multi-user coding techniques exist, in practical scenarios, not all users can be scheduled simultaneously. Thus, a key problem is which users to schedule in a given…

信息论 · 计算机科学 2015-07-14 Ori Shmuel , Asaf Cohen , Omer Gurewitz

Optimizing network throughput in real-world dynamic systems is critical, especially for diverse and delay-sensitive multimedia data types such as VoIP and video streaming. Traditional routing protocols, which rely on static metrics and…

网络与互联网体系结构 · 计算机科学 2025-05-22 Md. Arquam , Suchi Kumari

Deep learning-based multivariate and multistep-ahead traffic forecasting models are typically trained with the mean squared error (MSE) or mean absolute error (MAE) as the loss function in a sequence-to-sequence setting, simply assuming…

机器学习 · 计算机科学 2026-01-28 Seongjin Choi , Nicolas Saunier , Vincent Zhihao Zheng , Martin Trepanier , Lijun Sun