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Cross-domain Sequential Recommendation (CSR) is an emerging yet challenging task that depicts the evolution of behavior patterns for overlapped users by modeling their interactions from multiple domains. Existing studies on CSR mainly focus…

Information Retrieval · Computer Science 2023-04-18 Jinyu Zhang , Huichuan Duan , Lei Guo , Liancheng Xu , Xinhua Wang

Recent channel state information (CSI)-based positioning pipelines rely on deep neural networks (DNNs) in order to learn a mapping from estimated CSI to position. Since real-world communication transceivers suffer from hardware impairments,…

Information Theory · Computer Science 2021-12-01 Emre Gönültaş , Sueda Taner , Howard Huang , Christoph Studer

Channel state information (CSI)-based user equipment (UE) positioning with neural networks -- referred to as neural positioning -- is a promising approach for accurate off-device UE localization. Most existing methods train their neural…

Signal Processing · Electrical Eng. & Systems 2025-11-21 Till-Yannic Müller , Frederik Zumegen , Reinhard Wiesmayr , Emre Gönültaş , Christoph Studer

In this paper, we propose \texttt{FGPR}: a Federated Gaussian process ($\mathcal{GP}$) regression framework that uses an averaging strategy for model aggregation and stochastic gradient descent for local client computations. Notably, the…

Machine Learning · Statistics 2024-04-01 Xubo Yue , Raed Al Kontar

Existing auto-encoder (AE)-based channel state information (CSI) frameworks have focused on a specific configuration of user equipment (UE) and base station (BS), and thus the input and output sizes of the AE are fixed. However, in the…

Information Theory · Computer Science 2024-03-04 Jinhyun So , Hyukjoon Kwon

This paper presents a generic feature-based navigation framework for autonomous vehicles using a soft constrained Particle Filter. Selected map features, such as road and landmark locations, and vehicle states are used for designing soft…

Robotics · Computer Science 2021-01-19 Bruno H. Groenner Barbosa , Neel P. Bhatt , Amir Khajepour , Ehsan Hashemi

This paper proposes a novel study on personality recognition using video data from different scenarios. Our goal is to jointly model nonverbal behavioral cues with contextual information for a robust, multi-scenario, personality recognition…

Computer Vision and Pattern Recognition · Computer Science 2019-10-16 Dario Dotti , Mirela Popa , Stylianos Asteriadis

Pre-training the embedding of a location generated from human mobility data has become a popular method for location based services. In practice, modeling the location embedding is too expensive, due to the large number of locations to be…

Artificial Intelligence · Computer Science 2023-10-03 Chung Park , Taesan Kim , Junui Hong , Minsung Choi , Jaegul Choo

Deep learning (DL) has been widely used in future 6G physical layer communications, but task-specific DL models are difficult to generalize across different physical layer tasks. Recently emerging wireless foundation models demonstrate…

Information Theory · Computer Science 2026-05-20 Chen Chen , Weijie Jin , Hengtao He , Xiaoheng Sun , Shi Jin

Conventional federated learning (FL) trains one global model for a federation of clients with decentralized data, reducing the privacy risk of centralized training. However, the distribution shift across non-IID datasets, often poses a…

Machine Learning · Computer Science 2022-06-07 Jun Luo , Shandong Wu

Artificial Intelligence (AI)-based radio fingerprinting (FP) outperforms classic localization methods in propagation environments with strong multipath effects. However, the model and data orchestration of FP are time-consuming and costly,…

Signal Processing · Electrical Eng. & Systems 2024-10-02 Jonathan Ott , Jonas Pirkl , Maximilian Stahlke , Tobias Feigl , Christopher Mutschler

Self-Supervised Learning (SSL) has emerged as a key technique in machine learning, tackling challenges such as limited labeled data, high annotation costs, and variable wireless channel conditions. It is essential for developing Channel…

Signal Processing · Electrical Eng. & Systems 2026-01-08 Jun Jiang , Xiaolong Ruan , Shugong Xu

Modern indoor localization techniques are essential to overcome the weak GPS coverage in indoor environments. Recently, considerable progress has been made in Channel State Information (CSI) based indoor localization with signal…

Signal Processing · Electrical Eng. & Systems 2022-05-18 Liping Wang , Sudeep Pasricha

The paper presents a novel Wi-Fi fingerprinting system that uses Channel State Information (CSI) data for fine-grained pedestrian localization. The proposed system exploits the frequency diversity and spatial diversity of the features…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Muhammad Emad-ud-din

Electroencephalogram-based motor imagery (MI) classification is an important paradigm of non-invasive brain-computer interfaces. Common spatial pattern (CSP), which exploits different energy distributions on the scalp while performing…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Xue Jiang , Lubin Meng , Xinru Chen , Yifan Xu , Dongrui Wu

The advent of deep learning (DL)-based models has significantly advanced Channel State Information (CSI) feedback mechanisms in wireless communication systems. However, traditional approaches often suffer from high communication overhead…

Artificial Intelligence · Computer Science 2023-12-12 Zhilin Du , Haozhen Li , Zhenyu Liu , Shilong Fan , Xinyu Gu , Lin Zhang

For frequency division duplex systems, the essential downlink channel state information (CSI) feedback includes the links of compression, feedback, decompression and reconstruction to reduce the feedback overhead. One efficient CSI feedback…

Signal Processing · Electrical Eng. & Systems 2023-06-06 Xiangyi Li , Jiajia Guo , Chao-Kai Wen , Shi Jin , Shuangfeng Han , Xiaoyun Wang

Accurate channel state information (CSI) acquisition under tight pilot and training-energy constraints is essential for next-generation wireless networks. In this work, we model the wireless channel as a proper complex Gaussian process over…

Signal Processing · Electrical Eng. & Systems 2026-04-29 Syed Luqman Shah , Nurul Huda Mahmood

In this paper, a novel framework is proposed for channel charting (CC)-aided localization in millimeter wave networks. In particular, a convolutional autoencoder model is proposed to estimate the three-dimensional location of wireless user…

Networking and Internet Architecture · Computer Science 2021-08-19 Qianqian Zhang , Walid Saad

Scene coordinate regression (SCR) has established itself as a promising learning-based approach to visual relocalization. After mere minutes of scene-specific training, SCR models estimate camera poses of query images with high accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Leonard Bruns , Axel Barroso-Laguna , Tommaso Cavallari , Áron Monszpart , Sowmya Munukutla , Victor Adrian Prisacariu , Eric Brachmann