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To improve the accuracy of direction-of-arrival (DOA) estimation, a deep learning (DL)-based method called CDAE-DNN is proposed for hybrid analog and digital (HAD) massive MIMO receive array with overlapped subarray (OSA) architecture in…

信号处理 · 电气工程与系统科学 2022-09-13 Yifan Li , Baihua Shi , Feng Shu , Yaoliang Song , Jiangzhou Wang

In an IEEE 802.11 Infrastructure network, as the mobile node is moving from one access point to another, the resource allocation and smooth hand off may be a problem. If some reliable prediction is done on mobile nodes next move, then…

网络与互联网体系结构 · 计算机科学 2014-10-17 B. Issac , K. Hamid , C. E. Tan

Accounting for over 20% of the total carbon emissions, the precise estimation of on-road transportation carbon emissions is crucial for carbon emission monitoring and efficient mitigation policy formulation. However, existing estimation…

机器学习 · 计算机科学 2024-02-09 Jinwei Zeng , Yu Liu , Jingtao Ding , Jian Yuan , Yong Li

In this paper, we consider a hybrid mobile edge computing (H-MEC) platform, which includes ground stations (GSs), ground vehicles (GVs) and unmanned aerial vehicle (UAVs), all with mobile edge cloud installed to enable user equipments (UEs)…

信号处理 · 电气工程与系统科学 2019-11-22 Feibo Jiang , Kezhi Wang , Li Dong , Cunhua Pan , Wei Xu , Kun Yang

Network traffic matrix estimation is an ill-posed linear inverse problem: it requires to estimate the unobservable origin destination traffic flows, X, given the observable link traffic flows, Y, and a binary routing matrix, A, which are…

网络与互联网体系结构 · 计算机科学 2021-12-20 Syed Muhammad Atif , Nicolas Gillis , Sameer Qazi , Imran Naseem

In this paper, we develop a beam tracking scheme for an orthogonal frequency division multiplexing (OFDM) Integrated Sensing and Communication (ISAC) system with a hybrid digital analog (HDA) architecture operating in the millimeter wave…

信号处理 · 电气工程与系统科学 2022-03-30 Fernando Pedraza , Saeid K. Dehkordi , Mari Kobayashi , Giuseppe Caire

This paper describes a general framework called Hybrid Dynamic Mixed Networks (HDMNs) which are Hybrid Dynamic Bayesian Networks that allow representation of discrete deterministic information in the form of constraints. We propose…

人工智能 · 计算机科学 2012-07-09 Vibhav Gogate , Rina Dechter , Bozhena Bidyuk , Craig Rindt , James Marca

This paper proposes a deep neural network for estimating the directions of arrival (DOA) of multiple sound sources. The proposed stacked convolutional and recurrent neural network (DOAnet) generates a spatial pseudo-spectrum (SPS) along…

声音 · 计算机科学 2018-08-07 Sharath Adavanne , Archontis Politis , Tuomas Virtanen

Efficient real-time dispatching in urban metro systems is essential for ensuring service reliability, maximizing resource utilization, and improving passenger satisfaction. This study presents a novel deep learning framework centered on a…

机器学习 · 计算机科学 2025-10-06 Muhammad Usama , Haris Koutsopoulos

An important problem in creating efficient public transport is obtaining data about the set of trips that passengers make, usually referred to as an Origin/Destination (OD) matrix. Obtaining this data is problematic and expensive in…

计算机与社会 · 计算机科学 2013-12-05 Vassilis Kostakos

Public transportation system commuters are often interested in getting accurate travel time information to plan their daily activities. However, this information is often difficult to predict accurately due to the irregularities of road…

机器学习 · 计算机科学 2020-04-09 Ayobami E. Adewale , Amnir Hadachi

Mobility service route design requires demand information to operate in a service region. Transit planners and operators can access various data sources including household travel survey data and mobile device location logs. However, when…

人工智能 · 计算机科学 2024-09-04 Gyugeun Yoon , Joseph Y. J. Chow

With the increasing adoption of Automatic Vehicle Location (AVL) and Automatic Passenger Count (APC) technologies by transit agencies, a massive amount of time-stamped and location-based passenger boarding and alighting count data can be…

最优化与控制 · 数学 2019-11-15 Xinyu Liu , Pascal Van Hentenryck , Xilei Zhao

This paper investigates the distributed stochastic nonconvex and nonsmooth composite optimization problem. Existing stochastic typically rely on uniform step size strictly bounded by global network parameters, such as the maximum node…

最优化与控制 · 数学 2026-03-10 Yangming Zhang , Yongyang Xiong , Jinming Xu , Keyou You , Yang Shi

Accurate prediction of metro passenger volume (number of passengers) is valuable to realize real-time metro system management, which is a pivotal yet challenging task in intelligent transportation. Due to the complex spatial correlation and…

机器学习 · 计算机科学 2021-09-03 Fuchen Gao , Zhanquan Wang , Zhenguang Liu

As a decisive part in the success of Mobility-as-a-Service (MaaS), spatio-temporal predictive modeling for crowd movements is a challenging task particularly considering scenarios where societal events drive mobility behavior deviated from…

机器学习 · 计算机科学 2021-12-17 Zhaonan Wang , Renhe Jiang , Hao Xue , Flora D. Salim , Xuan Song , Ryosuke Shibasaki

Traffic simulations, essential for planning urban transit infrastructure interventions, require vehicle-category-specific origin-destination (OD) data. Existing data sources are imperfect: sparse tollbooth sensors provide accurate vehicle…

机器学习 · 计算机科学 2026-04-20 Oluwaleke Yusuf , Shaira Tabassum

This letter investigates the non-coherent Direction of Arrival (DOA) estimation problem dealing with the DOA estimation from magnitude only measurements of the array output. The magnitude squared of the array output is expanded as a…

应用统计 · 统计学 2016-06-22 Hadi Zayyani , Mehdi Korki

In orthogonal time sequency multiplexing (OTSM) modulation, the information symbols are conveyed in the delay-sequency domain upon exploiting the inverse Walsh Hadamard transform (IWHT). It has been shown that OTSM is capable of attaining a…

信息论 · 计算机科学 2023-07-07 Zeping Sui , Shefeng Yan , Hongming Zhang , Sumei Sun , Yonghong Zeng , Lie-Liang Yang , Lajos Hanzo

In the rapidly evolving field of autonomous driving, reliable prediction is pivotal for vehicular safety. However, trajectory predictions often deviate from actual paths, particularly in complex and challenging environments, leading to…

机器人学 · 计算机科学 2024-06-04 Wenbo Shao , Jiahui Xu , Wenhao Yu , Jun Li , Hong Wang