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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…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Pasi Koivumäki , Aki Karttunen , Katsuyuki Haneda

In-vivo sensing, diagnosis and treatment of diseases is having a great attention lately. With advanced computational systems, the processing of the biological data as well as the prediction of diagnosis is becoming more promising. However,…

Signal Processing · Electrical Eng. & Systems 2019-05-09 Sarah Hussein , Walaa Sahyoun , Youmni Ziade , Raed M. Shubair

New millimeter-wave wireless communication systems can be strongly impacted by the blockage introduced by the human body. At 60 GHz, the coverage of these systems is relatively limited due to high propagation losses. Thus, beamforming…

Signal Processing · Electrical Eng. & Systems 2025-01-16 Mbissane Dieng , Gheorghe I. Zaharia , Ghaïs El Zein

In trying to emulate the spatial position of wireless nodes for purpose of analysis, we rely on stochastic simulation. And, it is customary, for mobile systems, to consider a base-station radiation coverage by an ideal cell shape. For…

Information Theory · Computer Science 2013-06-06 Mouhamed Abdulla , Yousef R. Shayan

Human Body Communication (HBC) has come up as a promising alternative to traditional radio frequency (RF) Wireless Body Area Network (WBAN) technologies. This is essentially due to HBC providing a broadband communication channel with…

Signal Processing · Electrical Eng. & Systems 2022-04-29 Arunashish Datta , Mayukh Nath , David Yang , Shreyas Sen

This paper presents results from the (to our knowledge) first double-directionally resolved measurement campaign at mm-wave frequencies in a suburban microcell. The measurements are performed with a real-time channel sounder equipped with…

Information Theory · Computer Science 2017-11-02 C. Umit Bas , Rui Wang , Seun Sangodoyin , Sooyoung Hur , Kuyeon Whang , Jeongho Park , Jianzhong Zhang , Andreas F. Molisch

The next generations of wireless networks will work in frequency bands ranging from sub-6 GHz up to 100 GHz. Radio signal propagation differs here in several critical aspects from the behaviour in the microwave frequencies currently used.…

Signal Processing · Electrical Eng. & Systems 2021-03-17 Farasatul Adnan , Valon Blakaj , Sendy Phang , Thomas M. Antonsen , Stephen C. Creagh , Gabriele Gradoni , Gregor Tanner

In this paper, we conduct wireless channel measurements in indoor corridor scenarios at 2.4, 5 and 6 GHz bands with bandwidth of 320 MHz. The measurement results of channel characteristics at different frequency bands such as average power…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Zihao Zhou , Li Zhang , Xinyue Chen , Cheng-Xiang Wang , Jie Huang

The interaction of body worn antennas with the human body causes a significant decrease in the antenna efficiency and a shift in the resonant frequency. A resonant slot in a small conductive box placed on the body has been shown to reduce…

Signal Processing · Electrical Eng. & Systems 2025-01-27 Marta Fernandez , Hugo G. Espinosa , David V. Thiel , Amaia Arrinda

This paper presents a method to seamlessly extend the coverage of energy supply field for wireless sensor networks in order to free sensors from wires and batteries, where the multi-point scheme is employed to overcome path-loss…

Networking and Internet Architecture · Computer Science 2014-08-21 Daiki Maehara , Gia Khanh Tran , Kei Sakaguchi , Kiyomichi Araki , Minoru Furukawa

Accurate channel modeling is essential for realizing the potential of terahertz (THz) communications in 6G indoor networks, where existing models struggle with severe frequency selectivity and multipath effects. We propose a physically…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Ziang Zhao , Weixi Liang , Kai Hu , Qun Zhang , Xiongbin Yu , Qiang Li

The THz band (0.1-10 THz) has attracted considerable attention for next-generation wireless communications, due to the large amount of available bandwidth that may be key to meet the rapidly increasing data rate requirements. Before…

In this paper a novel frequency-scalable rotary platform design is introduced which allows for flexible directional channel measurements using different types of antennas, and which can also be used with frequency extenders for measurements…

Signal Processing · Electrical Eng. & Systems 2025-02-14 Wilhelm Keusgen , Taro Eichler

There has been an increasing interest in the millimeter wave (mmW) frequency regime in the design of next-generation wireless systems. The focus of this work is on understanding mmW channel properties that have an important bearing on the…

Information Theory · Computer Science 2018-02-14 Vasanthan Raghavan , Andrzej Partyka , Lida Akhoondzadehasl , Ali Tassoudji , Ozge Koymen , John Sanelli

Advancements in lighting systems and photodetectors provide opportunities to develop viable alternatives to conventional communication and sensing technologies, especially in the vehicular industry. Most of the studies that propose visible…

Signal Processing · Electrical Eng. & Systems 2023-01-11 Hisham Abuella , Md Zobaer Islam , Russ Messenger , John F. O'Hara , Sabit Ekin

In the design of unmanned aerial vehicle (UAV) wireless communications, a better understanding of propagation characteristics and an accurate channel model are required. Measurements and comprehensive analysis for the UAV-based air-ground…

Signal Processing · Electrical Eng. & Systems 2025-01-30 Zhuangzhuang Cui , Cesar Briso-Rodriguez , Ke Guan , Cesar Calvo-Ramirez , Bo Ai , Zhangdui Zhong

THz band is envisioned to be used in 6G systems to meet the ever-increasing demand for data rate. However, before an eventual system design and deployment can proceed, detailed channel sounding measurements are required to understand key…

This radio channel measurement campaign characterizes the propagation conditions experienced in a dense urban environment over fixed backhaul links between wireless devices that are mounted on utility or traffic light poles. The…

Networking and Internet Architecture · Computer Science 2016-05-31 Michael W. Wasson , Geoffrey G. Messier , Devin P. Smith

This paper presents millimeter-wave propagation measurements for urban micro-cellular and indoor office scenarios at 28 GHz and 73 GHz, and investigates the corresponding path loss using five types of path loss models, the singlefrequency…

Information Theory · Computer Science 2016-02-25 Shu Sun , George R. MacCartney , Theodore S. Rappaport

The growing demand for higher data rates and expanded bandwidth is driving the exploration of new frequency ranges, including the upper mid-band spectrum (6-24 GHz), which is a promising candidate for future Frequency Range 3 (FR3)…