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相关论文: CSI-Based Multi-Antenna and Multi-Point Indoor Pos…

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Radio Frequency Fingerprinting (RFF) using deep learning has gained attention as a complementary approach to cryptographic authentication, offering resistance to spoofing, replay attacks, and key leakage. While most RFF approaches rely on…

信号处理 · 电气工程与系统科学 2026-05-18 Fawaz Abdul Razak , Yasin Yilmaz

Knowledge of information about the propagation channel in which a wireless system operates enables better, more efficient approaches for signal transmissions. Therefore, channel state information (CSI) plays a pivotal role in the system…

信息论 · 计算机科学 2018-12-04 Zhiyuan Jiang , Sheng Chen , Andreas F. Molisch , Rath Vannithamby , Sheng Zhou , Zhisheng Niu

Location awareness in wireless networks may enable many applications such as emergency services, autonomous driving and geographic routing. Although there are many available positioning techniques, none of them is adapted to work with…

信息论 · 计算机科学 2015-09-02 Vladimir Savic , Erik G. Larsson

With a significant increase in area throughput, Massive MIMO has become an enabling technology for fifth generation (5G) wireless mobile communication systems. Although prototypes were built, an openly available dataset for channel impulse…

信号处理 · 电气工程与系统科学 2019-02-11 Maximilian Arnold , Jakob Hoydis , Stephan ten Brink

Fluid antenna systems (FAS) offer enhanced spatial diversity for next-generation wireless systems. However, acquiring accurate channel state information (CSI) remains challenging due to the large number of reconfigurable ports and the…

信息论 · 计算机科学 2025-05-09 Erqiang Tang , Wei Guo , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Channel state information (CSI) is of pivotal importance as it enables wireless systems to adapt transmission parameters more accurately, thus improving the system's overall performance. However, it becomes challenging to acquire accurate…

信号处理 · 电气工程与系统科学 2022-08-12 Muhammad Karam Shehzad , Luca Rose , Muhammad Furqan Azam , Mohamad Assaad

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

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

We consider a robust beamforming problem where large amount of downlink (DL) channel state information (CSI) data available at a multiple antenna access point (AP) is used to improve the link quality to a user equipment (UE) for beyond-5G…

信息论 · 计算机科学 2023-08-15 Sai Subramanyam Thoota , Joao Vieira , Erik G. Larsson

Radio based positioning of a user equipment (UE) based on deep learning (DL) methods using channel state information (CSI) fingerprints have shown promising results. DL models are able to capture complex properties embedded in the CSI about…

信号处理 · 电气工程与系统科学 2022-10-27 Anastasios Foliadis , Mario H. Castañeda Garcia , Richard A. Stirling-Gallacher , Reiner S. Thomä

Localization services for wireless devices play an increasingly important role in our daily lives and a plethora of emerging services and applications already rely on precise position information. Widely used on-device positioning methods,…

信号处理 · 电气工程与系统科学 2024-01-17 Pengzhi Huang , Emre Gönültaş , Maximilian Arnold , K. Pavan Srinath , Jakob Hoydis , Christoph Studer

Channel state information (CSI) acquisition is a significant bottleneck in the design of Massive MIMO wireless systems, due to the length of the training sequences required to distinguish the antennas (in the downlink) and the users (for…

信息论 · 计算机科学 2016-09-12 Beatrice Tomasi , Alexis Decurninge , Maxime Guillaud

Channel state information (CSI) needs to be estimated for reliable and efficient communication, however, location information is hidden inside and can be further exploited. This article presents a detailed description of a Massive…

系统与控制 · 电气工程与系统科学 2022-11-11 Achiel Colpaert , Sibren De Bast , Andrea P. Guevara , Zhuangzhuang Cui , Sofie Pollin

Non-Terrestrial Network (NTN) has been envisioned as a key component of the sixth-generation (6G) mobile communication system. Meanwhile, unmanned aerial vehicles (UAVs) play an important role in enabling and deploying NTNs. In this paper,…

系统与控制 · 电气工程与系统科学 2024-06-25 Zhuangzhuang Cui , Achiel Colpaert , Sofie Pollin

Localization of wireless transmitters based on channel state information (CSI) fingerprinting finds widespread use in indoor as well as outdoor scenarios. Fingerprinting localization first builds a database containing CSI with measured…

信号处理 · 电气工程与系统科学 2019-12-03 Larry Tang , Ramina Ghods , Christoph Studer

Thanks to the ubiquitous deployment of Wi-Fi hotspots, channel state information (CSI)-based Wi-Fi sensing can unleash game-changing applications in many fields, such as healthcare, security, and entertainment. However, despite one decade…

网络与互联网体系结构 · 计算机科学 2023-02-03 Marco Cominelli , Francesco Gringoli , Francesco Restuccia

We showcase the practicability of an indoor positioning system (IPS) solely based on Neural Networks (NNs) and the channel state information (CSI) of a (Massive) multiple-input multiple-output (MIMO) communication system, i.e., only build…

信号处理 · 电气工程与系统科学 2019-05-29 Mark Widmaier , Maximilian Arnold , Sebastian Dörner , Sebastian Cammerer , Stephan ten Brink

In next-generation wireless communication systems, the newly designated upper mid-band has attracted considerable attention, also called frequency range 3 (FR3), highlighting the need for downlink (DL) transmission design, which…

信号处理 · 电气工程与系统科学 2025-12-03 Xuan He , Hongwei Hou , Yafei Wang , Wenjin Wang , Shi Jin , Symeon Chatzinotas , Björn Ottersten

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

网络与互联网体系结构 · 计算机科学 2020-07-14 Jeongsik Choi

In this paper, a non-orthogonal multiple access (NOMA) system with partial channel state information (CSI) for downlink and uplink transmission in mobile scenarios is considered, i.e., users are deployed randomly and will move casually…

信息论 · 计算机科学 2020-08-19 Hao Qiu , Shaoshuai Gao