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相关论文: Channel Sparsity Variation and Model-Based Analysi…

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Terahertz (THz) communication is envisioned as one of the possible technologies for the sixth-generation (6G) communication system due to its rich spectrum. To evaluate the performance of THz communication, it is essential to propose THz…

信号处理 · 电气工程与系统科学 2024-07-29 Zhaowei Chang , Jianhua Zhang , Pan Tang , Lei Tian , Hao Jiang , Ximan Liu , and Guangyi Liu

This article examines the application of a popular measure of sparsity, Gini Index, on network graphs. A wide variety of network graphs happen to be sparse. But the index with which sparsity is commonly measured in network graphs is edge…

离散数学 · 计算机科学 2018-07-26 Swati Goswami , C. A. Murthy , Asit K. Das

In this paper, we present new measurement results to model large-scale path loss, angular spread and channel sparsity at the sub-THz (141-145 GHz) band, for both indoor and outdoor scenarios. Extensive measurement campaigns have been…

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…

Channel models are a fundamental component of wireless communication systems, providing critical insights into the physics of radio wave propagation. As wireless systems evolve every decade, the development of accurate and standardized…

信息论 · 计算机科学 2025-07-30 Hitesh Poddar , Dimitri Gold , Daewon Lee , Nan Zhang , Gokul Sridharan , Henrik Asplund , Mansoor Shafi

This letter provides a comparison of indoor radio propagation measurements and corresponding channel statistics at 28, 73, and 140 GHz, based on extensive measurements from 2014-2020 in an indoor office environment. Side-by-side comparisons…

信息论 · 计算机科学 2021-10-26 Yunchou Xing , Theodore S. Rappaport , Amitava Ghosh

Future mobile communications systems are likely to be very different to those of today with new service innovations driven by increasing data traffic demand, increasing processing power of smart devices and new innovative applications. To…

The use of above-100 GHz radio frequencies would be one of promising approaches to enhance the fifth-generation cellular further. Any air interface and cellular network designs require channel models, for which measured evidence of…

信号处理 · 电气工程与系统科学 2020-09-29 Sinh L. H. Nguyen , Katsuyuki Haneda , Jan Järveläineny , Aki Karttuneny , Jyri Putkonen

This paper presents a 3-dimensional millimeter-wave statistical channel impulse response model from 28 GHz and 73 GHz ultrawideband propagation measurements. An accurate 3GPP-like channel model that supports arbitrary carrier frequency, RF…

信息论 · 计算机科学 2015-11-24 Mathew K. Samimi , Theodore S. Rappaport

Fifth generation (5G) mobile networks are expected to play an increasing role in industrial communication with private mobile communication networks deployed on company premises. For planning, standardization and product development, it is…

信号处理 · 电气工程与系统科学 2020-04-27 Mathis Schmieder , Taro Eichler , Sven Wittig , Michael Peter , Wilhelm Keusgen

Channel models describe how wireless channel parameters behave in a given scenario, and help evaluate link- and system-level performance. A proper channel model should be able to faithfully reproduce the channel parameters obtained in field…

信息论 · 计算机科学 2017-07-11 Theodore S. Rappaport , Shu Sun , Mansoor Shafi

This paper presents a thorough validation of the Third Generation Partnership Project (3GPP) Technical Report (TR) 38.901 indoor hotspot (InH) path loss model, as part of the 3GPP Release 19 study on "Channel model validation of TR 38.901…

信息论 · 计算机科学 2025-04-23 Hitesh Poddar , Tomoki Yoshimura , Art Ishii

This paper presents a comprehensive derivation of single and multi-frequency large-scale path loss model parameters for the close-in (CI) free space reference distance, CI free space reference distance with cross-polarization (CIX),…

信息论 · 计算机科学 2025-09-10 Hitesh Poddar , Akhileswar Chowdary

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

In-vehicle wireless networks are crucial for advancing smart transportation systems and enhancing interaction among vehicles and their occupants. However, there are limited studies in the current state of the art that investigate the…

信号处理 · 电气工程与系统科学 2024-10-04 Mengting Li , Yifa Li , Qiyu Zeng , Kim Olesen , Fengchun Zhang , Wei Fan

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

Millimeter-wave (mmWave) and Terahertz (THz) will be used in the sixth-generation (6G) wireless systems, especially for indoor scenarios. This paper presents an indoor three-dimensional (3-D) statistical channel model for mmWave and sub-THz…

信号处理 · 电气工程与系统科学 2020-09-29 Shihao Ju , Yunchou Xing , Ojas Kanhere , Theodore S. Rappaport

Next generation cellular deployments are expected to exploit the 6-24 GHz frequency range 3 (FR3) and extremely large-scale multiple-input multiple-output (XL-MIMO) to enable ultra-high data rates and reliability. However, the significantly…

This paper presents an omnidirectional spatial and temporal 3-dimensional statistical channel model for 28 GHz dense urban non-line of sight environments. The channel model is developed from 28 GHz ultrawideband propagation measurements…

信息论 · 计算机科学 2015-03-20 Mathew K. Samimi , Theodore S. Rappaport

A study of channel hardening in a large-scale antenna system has been carried out by means of indoor channel measurements over four frequency bands, namely 1.472 GHz, 2.6 GHz, 3.82 GHz and 4.16 GHz. NTNU's Reconfigurable Radio Network…

信息论 · 计算机科学 2019-05-17 Golsa Ghiaasi , Jens Abraham , Egil Eide , Torbjörn Ekman
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