中文
相关论文

相关论文: MaMIMO CSI-based positioning using CNNs: Peeking i…

200 篇论文

Fingerprinting-based positioning significantly improves the indoor localization performance in non-line-of-sight-dominated areas. However, its deployment and maintenance is cost-intensive as it needs ground-truth reference systems for both…

信号处理 · 电气工程与系统科学 2022-10-13 Maximilian Stahlke , George Yammine , Tobias Feigl , Bjoern M. Eskofier , Christopher Mutschler

In recent years, the demand for pervasive smart services and applications has increased rapidly. Device-free human detection through sensors or cameras has been widely adopted, but it comes with privacy issues as well as misdetection for…

信号处理 · 电气工程与系统科学 2023-08-21 Li-Hsiang Shen , Chia-Che Hsieh , An-Hung Hsiao , Kai-Ten Feng

A novel location-aware beamforming scheme for millimeter wave communication is proposed for line of sight (LOS) and low mobility scenarios, in which computer vision is introduced to derive the required position or spatial angular…

信号处理 · 电气工程与系统科学 2020-06-23 Tianqi Xiang , Yaxin Wang , Huiwen Li , Boren Guo , Xin Zhang

Classification between different activities in an indoor environment using wireless signals is an emerging technology for various applications, including intrusion detection, patient care, and smart home. Researchers have shown different…

信息论 · 计算机科学 2021-02-10 B. R. Manoj , Guoda Tian , Sara Gunnarsson , Fredrik Tufvesson , Erik G. Larsson

Massive multiple-input multiple-output (MIMO) is a key technology for emerging next-generation wireless systems. Utilizing large antenna arrays at base-stations, massive MIMO enables substantial spatial multiplexing gains by simultaneously…

信号处理 · 电气工程与系统科学 2022-04-13 Ly V. Nguyen , Nhan T. Nguyen , Nghi H. Tran , Markku Juntti , A. Lee Swindlehurst , Duy H. N. Nguyen

Downlink scheduling schemes are well-known and widely investigated under the assumption that the channel state is perfectly known to the scheduler. In the multiuser MIMO (broadcast) case, downlink scheduling in the presence of non-perfect…

信息论 · 计算机科学 2009-10-11 Hooman Shirani-Mehr , Giuseppe Caire , Michael J. Neely

Massive multiple-input multiple-output (mMIMO) regime reaps the benefits of spatial diversity and multiplexing gains, subject to precise channel state information (CSI) acquisition. In the current communication architecture, the downlink…

信息论 · 计算机科学 2022-08-26 Muhammad Karam Shehzad , Luca Rose , Stefan Wesemann , Mohamad Assaad , Syed Ali Hassan

The deep learning trend has recently impacted a variety of fields, including communication systems, where various approaches have explored the application of neural networks in place of traditional designs. Neural networks flexibly allow…

信号处理 · 电气工程与系统科学 2019-03-12 Ye Wang , Toshiaki Koike-Akino

Multiple-input multiple-output (MIMO) techniques are becoming commonplace in recent wireless communication standards. This added dimension (i.e., space) can be efficiently used to mitigate the interference in the multi-user MIMO context. In…

信息论 · 计算机科学 2014-06-23 Amr Ismail , Mohamed-Slim Alouini

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…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Muhammad Emad-ud-din

Recently, Convolutional Neural Network (CNN) or Transformer architecture based models have been proposed to overcome the limitations of Recurrent Neural Network (RNN) based models in spatiotemporal prediction. These models prevent the…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Hyeonseok Jin

Convolutional neural networks (CNNs) are widely used for high-stakes applications like medicine, often surpassing human performance. However, most explanation methods rely on post-hoc attribution, approximating the decision-making process…

机器学习 · 计算机科学 2026-02-23 Kerol Djoumessi , Philipp Berens

Massive multiple-input multiple-output (MIMO) systems require downlink channel state information (CSI) at the base station (BS) to achieve spatial diversity and multiplexing gains. In a frequency division duplex (FDD) multiuser massive MIMO…

信号处理 · 电气工程与系统科学 2020-09-09 Mahdi Boloursaz Mashhadi , Qianqian Yang , Deniz Gunduz

This paper studies the indoor localisation of WiFi devices based on a commodity chipset and standard channel sounding. First, we present a novel shallow neural network (SNN) in which features are extracted from the channel state information…

机器学习 · 计算机科学 2020-10-20 Peizheng Li , Han Cui , Aftab Khan , Usman Raza , Robert Piechocki , Angela Doufexi , Tim Farnham

In this paper, we consider the use of deep neural networks in the context of Multiple-Input-Multiple-Output (MIMO) detection. We give a brief introduction to deep learning and propose a modern neural network architecture suitable for this…

机器学习 · 统计学 2017-06-06 Neev Samuel , Tzvi Diskin , Ami Wiesel

Massive MIMO brings both motivations and challenges to develop the 5th generation Mobile wireless technology. The promising number of users and the high bitrate offered per unit area are challenged by uplink pilot contamination due to pilot…

网络与互联网体系结构 · 计算机科学 2016-05-04 Ahmad Abboud , Jean-Pierre Cances , Ali H. Jaber , Vahid Meghdadi

This paper presents an end-to-end deep learning framework in a movable antenna (MA)-enabled multiuser communication system. In contrast to the conventional works assuming perfect channel state information (CSI), we address the practical CSI…

信息论 · 计算机科学 2025-09-16 Ruizhi Zhang , Yuchen Zhang , Lipeng Zhu , Ying Zhang , Rui Zhang

Cognitive radio networks (CRNs) have traditionally focused on utilizing idle channels to enhance spectrum efficiency. However, as wireless networks grow denser, channel-centric strategies face increasing limitations. This paper introduces a…

信号处理 · 电气工程与系统科学 2024-12-11 Weidong Zhu , Xueqian Li , Longwei Wang , Zheng Zhang

CNN is a powerful tool for many computer vision tasks, achieving much better result than traditional methods. Since CNN has a very large capacity, training such a neural network often requires many data, but it is often expensive to obtain…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Wei Yi , Yaoran Sun , Tao Ding , Sailing He

Accurate channel knowledge is critical in massive multiple-input multiple-output (MIMO), which motivates the use of channel prediction. Machine learning techniques for channel prediction hold much promise, but current schemes are limited in…

信息论 · 计算机科学 2026-05-01 Hwanjin Kim , Junil Choi , David J. Love