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A major source of difficulty when operating with large arrays at mmWave frequencies is to estimate the wideband channel, since the use of hybrid architectures acts as a compression stage for the received signal. Moreover, the channel has to…

Signal Processing · Electrical Eng. & Systems 2019-05-13 Javier Rodriguez-Fernandez , Nuria Gonzalez-Prelcic , Takayuki Shimizu

Millimeter-wave (mmWave) bands will be used for the fifth generation communication systems to support high data rates. For the proper characterization of the mmWave propagation channel, it is essential to measure the power angular-delay…

Signal Processing · Electrical Eng. & Systems 2019-07-31 Fatih Erden , Ozgur Ozdemir , Wahab Khawaja , Ismail Guvenc

Communication in the millimeter-wave (mmWave) band has recently been proposed to enable giga-bit-per-second data rates for next generation wireless systems. Physical layer security techniques have emerged as a simple and yet effective way…

Information Theory · Computer Science 2020-10-05 Rohith Talwar , Nancy Amala , George Medina , Akshadeep Singh Jida , Mohammed E. Eltayeb

Millimeter wave (mmWave) signals experience orders-of-magnitude more pathloss than the microwave signals currently used in most wireless applications. MmWave systems must therefore leverage large antenna arrays, made possible by the…

Information Theory · Computer Science 2016-11-18 Omar El Ayach , Sridhar Rajagopal , Shadi Abu-Surra , Zhouyue Pi , Robert W. Heath

The millimeter wave (mmWave) frequencies offer the availability of huge bandwidths to provide unprecedented data rates to next-generation cellular mobile terminals. However, directional mmWave links are highly susceptible to rapid channel…

Networking and Internet Architecture · Computer Science 2018-03-06 Marco Giordani , Michele Zorzi

The high attenuation of millimeter-wave (mmWave) would significantly reduce the coverage areas, and hence it is critical to study the propagation characteristics of mmWave in multiple deployment scenarios. In this work, we investigated the…

Signal Processing · Electrical Eng. & Systems 2021-09-03 Kairui Du , Omkar Mujumdar , Ozgur Ozdemir , Ender Ozturk , Ismail Guvenc , Mihail L. Sichitiu , Huaiyu Dai , Arupjyoti Bhuyan

The millimeter wave (mmWave) band, which is a prime candidate for 5G cellular networks, seems attractive for wireless energy harvesting. This is because it will feature large antenna arrays as well as extremely dense base station (BS)…

Information Theory · Computer Science 2017-03-14 Talha Ahmed Khan , Ahmed Alkhateeb , Robert W. Heath

This paper presents a millimeter-wave (mmWave) wideband sliding correlator channel sounder with flexibility to operate at various transmission rates. The channel sounder can transmit and receive up to 1 GHz of RF null-to-null bandwidth…

Information Theory · Computer Science 2017-03-24 George R. MacCartney , Hangsong Yan , Shu Sun , Theodore S. Rappaport

We survey the current state of millimeterwave (mmWave) radar applications in robotics with a focus on unique capabilities, and discuss future opportunities based on the state of the art. Frequency Modulated Continuous Wave (FMCW) mmWave…

Robotics · Computer Science 2024-10-29 Kyle Harlow , Hyesu Jang , Timothy D. Barfoot , Ayoung Kim , Christoffer Heckman

Millimeter wave (mmWave) localization algorithms exploit the quasi-optical propagation of mmWave signals, which yields sparse angular spectra at the receiver. Geometric approaches to angle-based localization typically require to know the…

Networking and Internet Architecture · Computer Science 2022-05-23 Anish Shastri , Joan Palacios , Paolo Casari

This paper presents an evaluation of the WiFi exposure levels inside the university in the 2.4 GHz frequency band. The selected environment is the typical scenario where WiFi exposure concerns have increased in the last years, since a…

Signal Processing · Electrical Eng. & Systems 2024-02-08 Marta Fernandez , David Guerra , Unai Gil , Inigo Trigo , Ivan Pena , Amaia Arrinda

The classic wireless communication channel modeling is performed using Deterministic and Stochastic channel methodologies. Machine learning (ML) emerges to revolutionize system design for 5G and beyond. ML techniques such as supervise…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Saud Aldossari , Kwang-Cheng Chen

Enabling the high data rates of millimeter wave (mmWave) cellular systems requires deploying large antenna arrays at both the basestations and mobile users. The beamforming weights of these large arrays need to be tuned to guarantee…

Information Theory · Computer Science 2016-02-23 Ahmed Alkhateeb , Young-Han Nam , Md Saifur Rahman , Jianzhong Zhang , Robert W. Heath

Millimeter-wave (MMW) imaging is emerging as a promising technique for safe security inspection. It achieves a delicate balance between imaging resolution, penetrability and human safety, resulting in higher resolution compared to…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Liheng Bian , Daoyu Li , Shuoguang Wang , Chunyang Teng , Huteng Liu , Hanwen Xu , Xuyang Chang , Guoqiang Zhao , Shiyong Li , Jun Zhang

Wireless communication at millimeter wave frequencies has attracted considerable attention for the delivery of high-bit-rate connectivity to unmanned aerial vehicles (UAVs). However, conducting the channel measurements necessary to assess…

Understanding multi-node vehicular wireless communication channels is crucial for future time-sensitive safety applications for human-piloted as well as partly autonomous vehicles on roads, railways and in the air. These highly dynamic…

Signal Processing · Electrical Eng. & Systems 2021-07-08 Stefan Zelenbaba , Benjamin Rainer , Markus Hofer , David Löschenbrand , Laura Bernadó , Anja Dakić , Thomas Zemen

Achieving extremely high-quality and truly immersive interactive Virtual Reality (VR) is expected to require a wireless link to the cloud, providing multi-gigabit throughput and extremely low latency. A prime candidate for fulfilling these…

Networking and Internet Architecture · Computer Science 2025-01-16 Jakob Struye , Hemanth Kumar Ravuri , Hany Assasa , Claudio Fiandrino , Filip Lemic , Joerg Widmer , Jeroen Famaey , Maria Torres Vega

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…

Signal Processing · Electrical Eng. & Systems 2017-09-20 Constantinos I. Votis , Vasilis Christofilakis , Panos Kostarakis

Millimeter wave (mmWave) communication represents one of the main innovations of the next generation of wireless technologies, allowing users to reach unprecedented data rates. To overcome the high path loss at mmWave frequencies, these…

Signal Processing · Electrical Eng. & Systems 2020-11-12 Mattia Lecci , Tommaso Zugno , Silvia Zampato , Michele Zorzi

This paper study the effect of interference management arising due to millimeter wave (mmWave) communication on the performance of multiple input multiple output (MIMO) based spectrum sharing cognitive systems. The highly directed mmWave…

Information Theory · Computer Science 2018-06-26 Abhishek Agrahari , Aditya K. Jagannatham
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