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Characterization of the millimeter wave wireless channel is needed to facilitate fully connected vehicular communication in the future. To study the multipath-rich, rapidly varying nature of the vehicular propagation environment, fast…

Information Theory · Computer Science 2020-09-24 Aditya Chopra , Andrew Thornburg , Ojas Kanhere , Abbas Termos , Saeed S. Ghassemzadeh , Theodore S. Rappaport

Wireless communication in millimeter wave spectrum is poised to provide the latency and bandwidth needed for advanced use cases unfeasible at lower frequencies. Despite the market potential of vehicular communication networks,…

Information Theory · Computer Science 2022-03-18 Aditya Chopra , Andrew Thornburg , Ojas Kanhere , Saeed S. Ghassemzadeh , Milap Majmundar , Theodore S. Rappaport

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

The focus of this paper is on beamforming in a millimeter-wave (mmW) multi-input multi-output (MIMO) setup that has gained increasing traction in meeting the high data-rate requirements of next-generation wireless systems. For a given MIMO…

Information Theory · Computer Science 2016-01-12 Vasanthan Raghavan , Sundar Subramanian , Juergen Cezanne , Ashwin Sampath

The millimeter wave (mmWave) frequencies offer the potential for enormous capacity wireless links. However, designing robust communication systems at these frequencies requires that we understand the channel dynamics over both time and…

Signal Processing · Electrical Eng. & Systems 2017-12-18 Christopher Slezak , Aditya Dhananjay , Sundeep Rangan

In this paper, we present a novel real-time multiple-input-multiple-output (MIMO) channel sounder for the 28 GHz band. Until now, most investigations of the directional characteristics of millimeter-wave channels have used mechanically…

Signal Processing · Electrical Eng. & Systems 2018-08-01 C. Umit Bas , Rui Wang , Seun Sangodoyin , Dimitris Psychoudakis , Thomas Henige , Robert Monroe , Jeongho Park , Jianzhong Zhang , Andreas F. Molisch

In this paper, we present a novel real-time MIMO channel sounder for 28 GHz. Until now, the common practice to investigate the directional characteristics of millimeter-wave channels has been using a rotating horn antenna. The sounder…

The use of the millimeter (mm) wave spectrum for next generation (5G) mobile communication has gained significant attention recently. The small carrier wavelengths at mmwave frequencies enable synthesis of compact antenna arrays, providing…

Information Theory · Computer Science 2014-10-22 Jaspreet Singh , Sudhir Ramakrishna

Due to the large bandwidth available, millimeter-Wave (mmWave) bands are considered a viable opportunity to significantly increase the data rate in cellular and wireless networks. Nevertheless, the need for beamforming and directional…

Systems and Control · Electrical Eng. & Systems 2022-05-23 Sara Khosravi , Hossein S. Ghadikolaeiy , Jens Zander , Marina Petrova

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

The acute disparity between increasing bandwidth demand and available spectrum, has brought millimeter wave (mmW) bands to the forefront of candidate solutions for the next-generation cellular networks. Highly directional transmissions are…

Millimeter-wave (mmWave) communication is considered as a key enabler of ultra-high data rates in the future cellular and wireless networks. The need for directional communication between base stations (BSs) and users in mmWave systems,…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Sara Khosravi , Hossein S. Ghadikolaei , Marina Petrova

The tremendous bandwidth available in the millimeter wave (mmW) frequencies between 30 and 300 GHz have made these bands an attractive candidate for next-generation cellular systems. However, reliable communication at these frequencies…

Information Theory · Computer Science 2014-10-20 Parisa A. Eliasi , Sundeep Rangan , Theodore S. Rappaport

To fully exploit the millimeter-wave bands for the fifth generation cellular systems, an accurate understanding of the channel propagation characteristics is required, and hence extensive measurement campaigns in different environments are…

Signal Processing · Electrical Eng. & Systems 2019-10-22 Fatih Erden , Ozgur Ozdemir , Ismail Guvenc

Demonstrating the feasibility of large antenna array beamforming is essential for realizing mmWave communication systems. This is due to the dependency of these systems on the large array beamforming gains to provide sufficient received…

Information Theory · Computer Science 2018-08-07 Cody Scarborough , Kiran Venugopal , Ahmed Alkhateeb , Robert W. Heath,

The millimeter wave (mmWave) bands and other high frequencies above 6~GHz have emerged as a central component of Fifth-Generation (5G) cellular standards to deliver high data rates and ultra-low latency. A key challenge in these bands is…

Information Theory · Computer Science 2024-10-30 Christopher Slezak , Vasilii Semkin , Sergey Andreev , Yevgeni Koucheryavy , Sundeep Rangan

Beamforming is a signal processing technique. It has been studied in many areas such as radar, sonar, seismology and wireless communications, to name but a few. It can be used for a myriad of purposes, such as detecting the presence of a…

Other Computer Science · Computer Science 2012-12-27 Hidri Adel , Meddeb Souad , Abdulqadir Alaqeeli , Amiri Hamid

Beamforming is indispensable in the operation of 60-GHz millimeter-wave directional multi-gigabit Wi-Fi. Simple power method and its extensions enable the transmitting and receiving antenna arrays to form a beam for single spatial stream.…

Information Theory · Computer Science 2014-04-01 Keang-Po Ho , Shi Cheng , Jianhan Liu

With the relatively recent realization that millimeter wave frequencies are viable for mobile communications, extensive measurements and research have been conducted on frequencies from 0.5 to 100 GHz, and several global wireless standard…

Information Theory · Computer Science 2018-08-24 Yunchou Xing , Theodore S. Rappaport

Millimeter-wave multi-input multi-output (mm-Wave MIMO) systems are one of the candidate schemes for 5G wireless standardization efforts. In this context, the main contributions of this article are three-fold. 1) We describe parallel sets…

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