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相关论文: Deep learning for location based beamforming with …

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Identifying line-of-sight (LOS) and non-LOS (NLOS) channel conditions can improve the performance of many wireless applications, such as signal strength-based localization algorithms. For this purpose, channel state information (CSI)…

网络与互联网体系结构 · 计算机科学 2017-12-12 Jeong-Sik Choi , Woong-Hee Lee , Jae-Hyun Lee , Jong-Ho Lee , Seong-Cheol Kim

This paper develops a location based analog beamforming (BF) technique using compressive sensing (CS) to be feasible for millimeter wave (mmWave) wireless communication systems. The proposed scheme is based on exploiting the benefits of CS…

信息论 · 计算机科学 2018-08-07 Ahmed Abdelreheem , Ehab Mahmoud Mohamed , Hamada Esmaiel

To establish reliable and long-range millimeter-wave (mmWave) communication, beamforming is deemed to be a promising solution. Although beamforming can be done in the digital and analog domains, both approaches are hindered by several…

信息论 · 计算机科学 2020-01-01 ohaned Chraiti , Dmitry Chizhik , Jinfeng Du , Reinaldo A. Valenzuela , Ali Ghrayeb , Chadi Assi

The downlink channel state information (CSI) estimation and low overhead acquisition are the major challenges for massive MIMO systems in frequency division duplex to enable high MIMO gain. Recently, numerous studies have been conducted to…

信息论 · 计算机科学 2023-08-07 Mingming Zhao , Lin Liu , Lifu Liu , Mengke Li , Qi Tian

We investigate the problem of wireless beam tracking on mmWave bands with the assistance of camera images. In particular, based on the user's beam indices used and camera images taken in the trajectory, we predict the optimal beam indices…

机器学习 · 计算机科学 2021-10-01 Yu Tian , Chenwei Wang

In the era of 5G communication, the knowledge of channel state information (CSI) is crucial for enhancing network performance. This paper explores the utilization of language models for spatial CSI prediction within MIMO-OFDM systems. We…

机器学习 · 计算机科学 2024-11-28 Shun Hu

Deep-learning (DL)-based precoding in multi-user multiple-input single-output (MU-MISO) systems involves training DL models to map features derived from channel coefficients to labels derived from precoding weights. Traditionally,…

机器学习 · 计算机科学 2026-03-10 Zaid Abdullah , Merouane Debbah , Symeon Chatzinotas , Bjorn Ottersten

This paper focuses on the design of beamforming codebooks that maximize the average normalized beamforming gain for any underlying channel distribution. While the existing techniques use statistical channel models, we utilize a model-free…

信息论 · 计算机科学 2020-05-19 Keerthana Bhogi , Chiranjib Saha , Harpreet S. Dhillon

Directional beamforming is a crucial component for realizing robust wireless communication systems using millimeter wave (mmWave) technology. Beam alignment using brute-force search of the space introduces time overhead while location aided…

信号处理 · 电气工程与系统科学 2021-02-23 Vishnu Raj , Nancy Nayak , Sheetal Kalyani

Satellite-based communications are expected to be a substantial future market in 6G networks. As satellite constellations grow denser and transmission resources remain limited, frequency reuse plays an increasingly important role in…

信号处理 · 电气工程与系统科学 2025-10-30 Alea Schröder , Steffen Gracla , Carsten Bockelmann , Dirk Wübben , Armin Dekorsy

Light-field microscopes are able to capture spatial and angular information of incident light rays. This allows reconstructing 3D locations of neurons from a single snap-shot.In this work, we propose a model-inspired deep learning approach…

图像与视频处理 · 电气工程与系统科学 2021-03-11 Pingfan Song , Herman Verinaz Jadan , Carmel L. Howe , Peter Quicke , Amanda J. Foust , Pier Luigi Dragotti

Ultrasound B-Mode images are created from data obtained from each element in the transducer array in a process called beamforming. The beamforming goal is to enhance signals from specified spatial locations, while reducing signal from all…

信号处理 · 电气工程与系统科学 2020-07-08 Jaime Tierney , Adam Luchies , Christopher Khan , Brett Byram , Matthew Berger

Reliable localization is crucial for autonomous robots to navigate efficiently and safely. Some navigation methods can plan paths with high localizability (which describes the capability of acquiring reliable localization). By following…

机器人学 · 计算机科学 2023-03-23 Yuan Chen , Quecheng Qiu , Xiangyu Liu , Guangda Chen , Shunyi Yao , Jie Peng , Jianmin Ji , Yanyong Zhang

It is well-known that the problem of finding the optimal beamformers in massive multiple-input multiple-output (MIMO) networks is challenging because of its non-convexity, and conventional optimization based algorithms suffer from high…

信息论 · 计算机科学 2020-11-10 Minghe Zhu , Tsung-Hui Chang , Mingyi Hong

In this paper, we investigate the model-driven deep learning (DL) for MIMO detection. In particular, the MIMO detector is specially designed by unfolding an iterative algorithm and adding some trainable parameters. Since the number of…

信息论 · 计算机科学 2021-03-24 Hengtao He , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

This paper proposes the use of deep autoencoders to compress the channel information in a \review{massive} multiple input and multiple output (MIMO) system. Although autoencoders perform lossy compression, they still have adequate…

网络与互联网体系结构 · 计算机科学 2024-10-07 Faris B. Mismar , Aliye Özge Kaya

Hybrid beamforming (HBF) and antenna selection are promising techniques for improving the energy efficiency~(EE) of massive multiple-input multiple-output~(mMIMO) systems. However, the transmitter architecture may contain several parameters…

信号处理 · 电气工程与系统科学 2024-07-01 Hamed Hojatian , Zoubeir Mlika , Jérémy Nadal , Jean-François Frigon , François Leduc-Primeau

This paper studies location privacy in uplink MIMO systems, where a user equipment seeks to spoof the angular signature observed by a single base station performing localization. We propose a blind analog precoder design that manipulates…

信号处理 · 电气工程与系统科学 2026-05-04 Priyanka Maity , Lorenzo Italiano , Alireza Pourafzal , Gonzalo Seco-Granados , Hui Chen , Monica Nicoli , Henk Wymeersch

In Wi-Fi systems, channel state information (CSI) plays a crucial role in enabling access points to execute beamforming operations. However, the feedback overhead associated with CSI significantly hampers the throughput improvements. Recent…

信号处理 · 电气工程与系统科学 2024-07-09 Fan Qi , Jiajia Guo , Yiming Cui , Xiangyi Li , Chao-Kai Wen , Shi Jin

Accurate and efficient estimation of the high dimensional channels is one of the critical challenges for practical applications of massive multiple-input multiple-output (MIMO). In the context of hybrid analog-digital (HAD) transceivers,…

信息论 · 计算机科学 2022-02-08 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang