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The Non-Local Network (NLNet) presents a pioneering approach for capturing long-range dependencies within an image, via aggregating query-specific global context to each query position. However, through a rigorous empirical analysis, we…

计算机视觉与模式识别 · 计算机科学 2020-12-25 Yue Cao , Jiarui Xu , Stephen Lin , Fangyun Wei , Han Hu

In recent years, both online and offline deep learning models have been developed for time series forecasting. However, offline deep forecasting models fail to adapt effectively to changes in time-series data, while online deep forecasting…

机器学习 · 计算机科学 2024-02-06 Mohamed Mejri , Chandramouli Amarnath , Abhijit Chatterjee

Massive MIMO basestations, operating with frequency-division duplexing (FDD), require the users to feedback their channel state information (CSI) in order to design the precoding matrices. Given the powerful capabilities of deep neural…

信息论 · 计算机科学 2024-01-17 Yu Zhang , Ahmed Alkhateeb

Deep-predictive-coding networks (DPCNs) are hierarchical, generative models. They rely on feed-forward and feed-back connections to modulate latent feature representations of stimuli in a dynamic and context-sensitive manner. A crucial…

人工智能 · 计算机科学 2021-09-27 Isaac J. Sledge , Jose C. Principe

Trajectory prediction, as a critical component of autonomous driving systems, has attracted the attention of many researchers. Existing prediction algorithms focus on extracting more detailed scene features or selecting more reasonable…

计算机视觉与模式识别 · 计算机科学 2025-04-02 Wenyi Xiong , Jian Chen , Ziheng Qi

Channel estimation is crucial in wireless communications. However, in many papers neural networks are frequently tested by training and testing on one example channel or similar channels. This is because data-driven methods often degrade on…

信号处理 · 电气工程与系统科学 2025-07-22 Dianxin Luan , John Thompson

While deep learning (DL)-based methods have achieved remarkable success in continuous wireless resource allocation, efficient solutions for problems involving discrete variables remain challenging. This is primarily due to the zero-gradient…

机器学习 · 计算机科学 2026-03-23 Yikun Wang , Yang Li , Yik-Chung Wu , Rui Zhang

Achieving reliable multidimensional Vehicle-to-Vehicle (V2V) channel state information (CSI) prediction is both challenging and crucial for optimizing downstream tasks that depend on instantaneous CSI. This work extends traditional…

系统与控制 · 电气工程与系统科学 2024-09-24 Lei Chu , Daoud Burghal , Rui Wang , Michael Neuman , Andreas F. Molisch

The paper describes the deep learning approach for forecasting non-stationary time series with using time trend correction in a neural network model. Along with the layers for predicting sales values, the neural network model includes a…

机器学习 · 计算机科学 2022-05-25 Bohdan M. Pavlyshenko

Short-term passenger demand forecasting is of great importance to the on-demand ride service platform, which can incentivize vacant cars moving from over-supply regions to over-demand regions. The spatial dependences, temporal dependences,…

机器学习 · 计算机科学 2018-02-13 Jintao Ke , Hongyu Zheng , Hai Yang , Xiqun , Chen

Recent localization frameworks exploit spatial information of complex channel measurements (CMs) to estimate accurate positions even in multipath propagation scenarios. State-of-the art CM fingerprinting(FP)-based methods employ…

信号处理 · 电气工程与系统科学 2022-03-25 Sebastian Kram , Christopher Kraus , Tobias Feigl , Maximilian Stahlke , Jörg Robert , Christopher Mutschler

This work considers a layered coding approach for efficient transmission of data over a wireless block fading channel without transmitter channel state information (CSI), which is connected to a limited capacity reliable link, known as the…

信息论 · 计算机科学 2020-05-01 Avi Steiner , Shlomo Shamai

Federated learning (FL) has recently emerged as an attractive decentralized solution for wireless networks to collaboratively train a shared model while keeping data localized. As a general approach, existing FL methods tend to assume…

机器学习 · 计算机科学 2021-04-02 Francesco Pase , Marco Giordani , Michele Zorzi

Machine learning algorithms have recently been considered for many tasks in the field of wireless communications. Previously, we have proposed the use of a deep fully convolutional neural network (CNN) for receiver processing and shown it…

信号处理 · 电气工程与系统科学 2022-07-13 Janne M. J. Huttunen , Dani Korpi , Mikko Honkala

Time series forecasting has widespread applications in urban life ranging from air quality monitoring to traffic analysis. However, accurate time series forecasting is challenging because real-world time series suffer from the distribution…

机器学习 · 计算机科学 2022-07-15 Wenying Duan , Xiaoxi He , Lu Zhou , Lothar Thiele , Hong Rao

This paper presents a novel learning-based approach for online estimation of maximal safe sets for local trajectory planning in unknown static environments. The neural representation of a set is used as the terminal set constraint for a…

机器人学 · 计算机科学 2025-07-17 Bojan Derajić , Mohamed-Khalil Bouzidi , Sebastian Bernhard , Wolfgang Hönig

Accurately predicting future pedestrian trajectories is crucial across various domains. Due to the uncertainty in future pedestrian trajectories, it is important to learn complex spatio-temporal representations in multi-agent scenarios. To…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Pranav Singh Chib , Pravendra Singh

In a multiple-input multiple-output frequency-division duplexing (MIMO-FDD) system, the user equipment (UE) sends the downlink channel state information (CSI) to the base station to report link status. Due to the complexity of MIMO systems,…

网络与互联网体系结构 · 计算机科学 2022-07-19 Mostafa Hussien , Kim Khoa Nguyen , Mohamed Cheriet

Uplink sensing in perceptive mobile networks (PMNs), which uses uplink communication signals for sensing the environment around a base station, faces challenging issues of clock asynchronism and the requirement of a line-of-sight (LOS) path…

信息论 · 计算机科学 2022-11-08 Zhitong Ni , J. Andrew Zhang , Kai Wu , Ren Ping Liu

We have developed a new framework using time-series analysis for dynamically assigning mobile network traffic prediction models in previously unseen wireless environments. Our framework selectively employs learned behaviors, outperforming…

信息论 · 计算机科学 2023-12-01 Alexander Downey , Evren Tuna , Alkan Soysal