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相关论文: Improving Channel Charting with Representation-Con…

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Artificial intelligence (AI) provides an alternative way to design channel coding with affordable complexity. However, most existing studies can only learn codes for a given size and rate, typically defined by a fixed network architecture…

信号处理 · 电气工程与系统科学 2024-11-28 Yukun Cheng , Wei Chen , Tianwei Hou , Geoffrey Ye Li , Bo Ai

Channel state information (CSI)-based fingerprinting via neural networks (NNs) is a promising approach to enable accurate indoor and outdoor positioning of user equipments (UEs), even under challenging propagation conditions. In this paper,…

信号处理 · 电气工程与系统科学 2021-09-01 Emre Gönültaş , Eric Lei , Jack Langerman , Howard Huang , Christoph Studer

Understanding the coordinated activity underlying brain computations requires large-scale, simultaneous recordings from distributed neuronal structures at a cellular-level resolution. One major hurdle to design high-bandwidth,…

神经与进化计算 · 计算机科学 2018-09-18 Tong Wu , Wenfeng Zhao , Edward Keefer , Zhi Yang

A major challenge to implement the compressed sensing method for channel state information (CSI) acquisition lies in the design of a well-performed measurement matrix to reduce the dimension of sparse channel vectors. The widely adopted…

信息论 · 计算机科学 2020-07-14 Pengxia Wu , Zichuan Liu , Julian Cheng

This paper presents two simple improvements to the Self-Structuring AutoEncoder (Self-StrAE). Firstly, we show that including reconstruction to the vocabulary as an auxiliary objective improves representation quality. Secondly, we…

计算与语言 · 计算机科学 2025-02-25 Mattia Opper , N. Siddharth

In the realm of reconfigurable intelligent surface (RIS)-assisted wireless communications, efficient channel state information (CSI) feedback is paramount. This paper introduces RIS-CoCsiNet, a novel deep learning-based framework designed…

信息论 · 计算机科学 2024-10-30 Jiajia Guo , Xi Yang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

This study explores the application of Convolutional Autoencoders (CAEs) for analyzing and reconstructing Scanning Tunneling Microscopy (STM) images of various crystalline lattice structures. We developed two distinct CAE architectures to…

In order to estimate the channel gain (CG) between the locations of an arbitrary transceiver pair across a geographic area of interest, CG maps can be constructed from spatially distributed sensor measurements. Most approaches to build such…

信号处理 · 电气工程与系统科学 2020-12-09 Luis M. Lopez-Ramos , Yves Teganya , Baltasar Beferull-Lozano , Seung-Jun Kim

Near-field (NF) line-of-sight (LoS) MIMO systems enable efficient channel state information (CSI) acquisition and precoding by exploiting known antenna geometries at both the base station (BS) and user equipment (UE). This paper introduces…

信号处理 · 电气工程与系统科学 2025-05-08 Shima Eslami , Bikshapathi Gouda , Antti Tölli

We present a novel masked image modeling (MIM) approach, context autoencoder (CAE), for self-supervised representation pretraining. We pretrain an encoder by making predictions in the encoded representation space. The pretraining tasks…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Xiaokang Chen , Mingyu Ding , Xiaodi Wang , Ying Xin , Shentong Mo , Yunhao Wang , Shumin Han , Ping Luo , Gang Zeng , Jingdong Wang

We present Deep Compression Autoencoder (DC-AE), a new family of autoencoder models for accelerating high-resolution diffusion models. Existing autoencoder models have demonstrated impressive results at a moderate spatial compression ratio…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Junyu Chen , Han Cai , Junsong Chen , Enze Xie , Shang Yang , Haotian Tang , Muyang Li , Yao Lu , Song Han

In this paper, we propose a novel, effective and simpler end-to-end image clustering auto-encoder algorithm: ICAE. The algorithm uses PEDCC (Predefined Evenly-Distributed Class Centroids) as the clustering centers, which ensures the…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Qiuyu Zhu , Zhengyong Wang

This paper considers the unavailability of complete channel state information (CSI) in ultra-dense cloud radio access networks (C-RANs). The user-centric cluster is adopted to reduce the computational complexity, while the incomplete CSI is…

信息论 · 计算机科学 2017-10-24 Cunhua Pan , Hani Mehrpouyan , Yuanwei Liu , Maged Elkashlan , Arumugam Nallanathan

This article proposes Convolutional Neural Network-based Auto Encoder (CNN-AE) to predict location-dependent rate and coverage probability of a network from its topology. We train the CNN utilising BS location data of India, Brazil,…

网络与互联网体系结构 · 计算机科学 2022-08-29 Washim Uddin Mondal , Praful D. Mankar , Goutam Das , Vaneet Aggarwal , Satish V. Ukkusuri

This study applied representation learning algorithms to satellite images and evaluated the learned latent spaces with classifications of various weather events. The algorithms investigated include the classical linear transformation, i.e.,…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Ting-Shuo Yo , Shih-Hao Su , Chien-Ming Wu , Wei-Ting Chen , Jung-Lien Chu , Chiao-Wei Chang , Hung-Chi Kuo

This letter considers the problem of end-to-end learning for joint optimization of transmitter precoding and receiver processing for mmWave downlink positioning. Considering a multiple-input single-output (MISO) scenario, we propose a novel…

Communication over a random-parameter quantum channel when the decoder is required to reconstruct the parameter sequence is considered. We study scenarios that include either strictly-causal, causal, or non-causal channel side information…

信息论 · 计算机科学 2021-09-28 Uzi Pereg

Channel charting (CC) has become a key technology for RF-based localization, enabling unsupervised radio fingerprinting, even in non line of sight scenarios, with a minimum of reference position labels. However, most CC models assume…

信号处理 · 电气工程与系统科学 2026-02-05 Jonas Pirkl , Jonathan Ott , Maximilian Stahlke , George Yammine , Tobias Feigl , Christopher Mutschler

A feature learning task involves training models that are capable of inferring good representations (transformations of the original space) from input data alone. When working with limited or unlabelled data, and also when multiple visual…

计算机视觉与模式识别 · 计算机科学 2018-11-02 Gabriel B. Cavallari , Leonardo Sampaio Ferraz Ribeiro , Moacir Antonelli Ponti

Prior work using Masked Autoencoders (MAEs) typically relies on random patch masking based on the assumption that images have significant redundancies across different channels, allowing for the reconstruction of masked content using…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Chau Pham , Juan C. Caicedo , Bryan A. Plummer