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Millimeter wave (mmWave) technology is expected to dominate the future 5G networks mainly due to large spectrum available at these frequencies. However, coverage deteriorates significantly at mmWave frequencies due to higher path loss,…

Signal Processing · Electrical Eng. & Systems 2018-05-29 Wahab Khawaja , Ozgur Ozdemir , Yavuz Yapici , Ismail Guvenc , Yuichi Kakishima

The availability of large unused spectrum at millimeter wave (mmWave) frequency bands has steered the future 5G research towards these bands. However, mmWave signals are attenuated severely in the non-lineof-sight (NLOS) scenarios, thereby…

Signal Processing · Electrical Eng. & Systems 2018-11-20 Wahab Ali Gulzar Khawaja , Ozgur Ozdemir , Fatih Erden , Ismail Guvenc , Martins Ezuma , Yuichi Kakishima

The future 5G networks are expected to use millimeter wave (mmWave) frequency bands, mainly due to the availability of large unused spectrum. However, due to high path loss at mmWave frequencies, coverage of mmWave signals can get severely…

Signal Processing · Electrical Eng. & Systems 2018-08-21 Wahab Khawaja , Ozgur Ozdemir , Yavuz Yapici , Ismail Guvenc , Martins Ezuma , Yuichi Kakishimay

The emerging 5G and future 6G technologies are envisioned to provide higher bandwidths and coverage using millimeter wave (mmWave) and sub-Terahertz (THz) frequency bands. The growing demand for higher data rates using these bands can be…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Ashwini Pondeycherry Ganesh , Wahab Khawaja , Ozgur Ozdemir , Ismail Guvenc , Hiroyuki Nomoto , Yasuaki Ide

In future wireless communication systems, millimeter waves (mmWaves) will play an important role in meeting high data rates. However, due to their short wavelengths, these mmWaves present high propagation losses and are highly attenuated by…

Networking and Internet Architecture · Computer Science 2025-01-16 Mbissane Dieng , Gheorghe Zaharia , Ghaïs El Zein , Raphaël Gillard , Renaud Loison

Passive reflectors mitigate millimeter-wave (mmwave) link blockages by extending coverage to non-line-ofsight (NLoS) regions. However, their deployment often leads to irregular reflected beam patterns and coverage gaps. This results in…

Systems and Control · Electrical Eng. & Systems 2024-09-04 Omar Ibrahim , Raj Sai Sohel Bandari , Mohammed E. Eltayeb

mm-waves are envisaged as key enabler for 5G and 6G wireless communications, thanks to the wider bandwidth and to the possibility of implementing large-scale antenna arrays and new advanced transmission techniques, such as massive MIMO and…

Signal Processing · Electrical Eng. & Systems 2022-10-14 Leonardo Possenti , Marina Barbiroli , Enrico M. Vitucci , Franco Fuschini , Mattia Fosci , Vittorio Degli-Esposti

In the current development of new technologies, the world of communications is experiencing significant growth thanks to the integration of wireless communications in millimeter band. In this context, the purpose of this paper is to assess…

Networking and Internet Architecture · Computer Science 2021-12-17 Mbissane Dieng , El Hajj , Gheorghe Zaharia , Ghais El

The use of millimeter-wave (mmWave) bands in 5G networks introduce a new set of challenges to network planning. Vulnerability to blockages and high path loss at mmWave frequencies require careful planning of the network to achieve the…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Chethan Kumar Anjinappa , Fatih Erden , Ismail Guvenc

The use of millimeter-wave (mmWave) bandwidth is one key enabler to achieve the high data rates in the fifth-generation (5G) cellular systems. However, mmWave signals suffer from significant path loss due to high directivity and sensitivity…

Signal Processing · Electrical Eng. & Systems 2021-01-05 Mahyar Nemati , Jihong Park , Jinho Choi

Near-field (NF) communications is receiving renewed interest in the context of multiple-input multiple-output (MIMO) systems involving large physical apertures with respect to the signal wavelength. While line-of-sight (LOS) links are…

Signal Processing · Electrical Eng. & Systems 2025-11-26 Mohamadreza Delbari , George C. Alexandropoulos , Robert Schober , H. Vincent Poor , Vahid Jamali

The millimeter-wave (mmWave)-based Wi-Fi sensing technology has recently attracted extensive attention since it provides a possibility to realize higher sensing accuracy. However, current works mainly concentrate on sensing scenarios where…

Information Theory · Computer Science 2022-10-11 Shiwen He , Kangli Cai , Shiyue Huang , Zhenyu Anz , Wei Huang , Ning Gao

Millimeter-wave (mmWave) communication enables multi-gigabit-per-second data rates but is highly susceptible to path loss and blockage, especially indoors. Many indoor settings, however, include naturally occurring specular surfaces such as…

Networking and Internet Architecture · Computer Science 2025-11-14 Raj Sai Sohel Bandari , Amod Ashtekar , Omar Ibrahim , Mohammed E. Eltayeb

Millimeter-wave (mmWave) frequency bands are expected to be used for future 5G networks due to the availability of large unused spectrum. However, the attenuation at mmWave frequencies is high. To resolve this issue, the utilization of high…

Signal Processing · Electrical Eng. & Systems 2020-01-20 Wahab Khawaja , Ozgur Ozdemir , Fatih Erden , Ender Ozturk , Ismail Guvenc

In the millimeter waves (mmWave) bands considered for 5G and beyond, the use of very high frequencies results in the interruption of communication whenever there is no line of sight between the transmitter and the receiver. Blockages have…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Cristian García Ruiz , Antonio Pascual-Iserte , Olga Muñoz-Medina

In the upcoming 5G communication, the millimeter-wave (mmWave) technology will play an important role due to its large bandwidth and high data rate. However, mmWave frequencies have higher free-space path loss (FSPL) in line-of-sight (LOS)…

Signal Processing · Electrical Eng. & Systems 2021-01-08 Kairui Du , Ozgur Ozdemir , Fatih Erden , Ismail Guvenc

Millimeter wave (mmWave) communications which essentially employ directional antennas find applications spanning from indoor short range wireless personal area networks to outdoor cellular networks. A thorough understanding of mmWave signal…

Information Theory · Computer Science 2018-04-10 Rakesh R. T. , Debarati Sen , Goutam Das

The accuracy of traditional localization methods significantly degrades when the direct path between the wireless transmitter and the target is blocked or non-penetrable. This paper proposes N2LoS, a novel approach for precise…

Signal Processing · Electrical Eng. & Systems 2025-05-14 Zhenguo Shi , Yihe Yan , Yanxiang Wang , Wen Hu , Chun Tung Chou

One of the critical challenges of operating with the terahertz or millimeter-wave wireless networks is the necessity of at least a strong non-line-of-sight (NLoS) reflected path to form a stable link. Recent studies have shown that an…

Signal Processing · Electrical Eng. & Systems 2022-03-16 Chethan K. Anjinappa , Ashwini P. Ganesh , Ozgur Ozdemir , Kris Ridenour , Wahab Khawaja , Ismail Guvenc , Hiroyuki Nomoto , Yasuaki Ide

In the past, NLOS propagation was shown to be a source of distortion for radio-based positioning systems. Every NLOS component was perceived as a perturbation which resulted from the lack of temporal and spatial resolution of previous…

Information Theory · Computer Science 2017-12-06 Rico Mendrzik , Henk Wymeersch , Gerhard Bauch , Zohair Abu-Shaban
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