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This work presents an experimental study of Single Input Multiple Output (SIMO) channel performance in indoor radio propagation environment. Indoor channel measurements at 2.4 GHz ISM frequency band have been performed using a versatile…

信号处理 · 电气工程与系统科学 2017-09-20 Constantinos I. Votis , Vasilis Christofilakis , Panos Kostarakis

Terahertz frequencies are an untapped resource for providing high-speed short-range communications. As a result, it is of interest to study the propagation characteristics of terahertz waves and to develop channel models. In previous work…

信号处理 · 电气工程与系统科学 2022-10-17 Thanh Le , Ha Tran , Suresh Singh

Achieving adequate coverage with high gain antennas is key to realizing the full promise of the wide bandwidth available at cm/mm bands. We report extensive outdoor measurements at 28 GHz in suburban residential areas in New Jersey and…

High-rank line-of-sight (LOS) MIMO systems have attracted considerable attention for millimeter wave and THz communications. The small wavelengths in these frequencies enable spatial multiplexing with massive data rates at long distances.…

信号处理 · 电气工程与系统科学 2023-04-18 Yaqi Hu , Mingsheng Yin , Sundeep Rangan , Marco Mezzavilla

This paper presents a detailed measurement campaign and a comprehensive analysis of 15 GHz ultra-massive multiple-input multiple-output (UM-MIMO) channels tailored for the urban microcell (UMi) environment. Channel sounding is performed…

信号处理 · 电气工程与系统科学 2026-04-28 Panpan Shi , Yang Wang , Xi Liao , Tianhao Li , Jiliang Zhang , Jie Zhang

This paper presents a comprehensive measurement campaign aimed at evaluating indoor-to-indoor radio channels in dynamic scenarios, with a particular focus on applications such as autonomous ground vehicles (AGV). These scenarios are…

The first measured results for massive multiple-input, multiple-output (MIMO) performance in a line-of-sight (LOS) scenario with moderate mobility are presented, with 8 users served by a 100 antenna base Station (BS) at 3.7 GHz. When such a…

Providing reliable low latency wireless links for advanced manufacturing and processing systems is a vision of Industry 4.0. Developing, testing and rating requires accurate models of the radio propagation channel. The current 3GPP-NR model…

Wireless channel measurement results for 60 GHz within a closed metal cabinet are provided. A metal cabinet is chosen to emulate the environment within a mechatronic system, which have metal enclosures in general. A frequency domain…

In this paper, two large-scale fading path loss models are presented based on indoor and outdoor channel measurements at 73 GHz. The line-of-sight millimeter-wave propagation measurement campaigns were uniquely conducted within the indoor…

信号处理 · 电气工程与系统科学 2019-06-26 Mahfuza Khatun , Changyu Guo , Letizia Moro , David Matolak , Hani Mehrpouyan

This paper introduces an identification method that determines whether a millimeter-wave wireless transmission using directional antennas is being established over a line-of-sight (LOS) or a non-line-of-sight (NLOS) cluster for indoor…

信号处理 · 电气工程与系统科学 2024-02-27 Pengfei Lyu , Aziz Benlarbi-Delaï , Zhuoxiang Ren , Julien Sarrazin

This paper presents large-scale path loss models based on extensive ultra-wideband millimeter-wave propagation measurements performed at 28 GHz and 73 GHz in three typical indoor office layouts -- namely: corridor, open-plan, and…

信息论 · 计算机科学 2016-02-23 George R. MacCartney , Sija Deng , Theodore S. Rappaport

Terahertz (THz) wireless communication has emerged as a promising solution for future data center interconnects; however, accurate channel characterization and system-level performance evaluation in complex indoor environments remain…

信息论 · 计算机科学 2026-03-26 Mingjie Zhu , Yejian Lyu , Ziming Yu , Chong Han

Millimeter-wave (mmWave) communication has been widely accepted as an enabler of 6G and other next-generation wireless networks, though high path loss strains link budgets, and difficult channel conditions have limited the deployment of…

In this paper, a recently conducted measurement campaign for unmanned-aerial-vehicle (UAV) channels is introduced. The downlink signals of an in-service long-time-evolution (LTE) network which is deployed in a suburban scenario were…

信号处理 · 电气工程与系统科学 2021-07-27 Xuesong Cai , José Rodríguez-Piñeiro , Xuefeng Yin , Bo Ai , Gert Frølund Pedersen , Antonio Pérez Yuste

Due to large reflection and diffraction losses in the THz band, it is arguable to achieve reliable links in the none-line-of-sight (NLoS) cases. Intelligent reflecting surfaces, although are expected to solve the blockage problem and…

信息论 · 计算机科学 2023-06-14 Yuanbo Li , Yiqin Wang , Yi Chen , Ziming Yu , Chong Han

A detailed understanding of the dynamic processes of vehicular radio channels is crucial for its realistic modeling. In this paper, we present multipath components (MPCs) tracking results from a channel sounder measurement with 1 GHz…

信息论 · 计算机科学 2018-09-12 Kim Mahler , Wilhelm Keusgen , Fredrik Tufvesson , Thomas Zemen , Giuseppe Caire

This paper presents detailed radio propagation measurements for an indoor factory (InF) environment at 6.75 GHz and 16.95 GHz using a 1 GHz bandwidth channel sounder. Conducted at the NYU MakerSpace in the NYU Tandon School of Engineering…

信号处理 · 电气工程与系统科学 2025-03-31 Mingjun Ying , Dipankar Shakya , Theodore S. Rappaport , Peijie Ma , Yanbo Wang , Idris Al-Wazani , Yanze Wu , Hitesh Poddar

In this work we present the results of a measurement campaign carried out in the Mediterranean sea aimed at characterizing the underwater acoustic channel in a wideband at ultrasonic frequencies centered at 80 kHz with a width of 96 kHz,…

Radio wave propagation simulations based on the ray-optical approximation have been widely adopted in coverage analysis for a range of situations, including the outdoor-to-indoor scenario. This work presents O2I ray-tracing simulations…

信号处理 · 电气工程与系统科学 2023-07-19 Pasi Koivumäki , Aki Karttunen , Katsuyuki Haneda