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This paper presents small-scale fading measurements for 28 GHz outdoor millimeter-wave ultrawideband channels using directional horn antennas at the transmitter and receiver. Power delay profiles were measured at half-wavelength spatial…

Information Theory · Computer Science 2016-11-18 Mathew K. Samimi , George R. MacCartney, , Shu Sun , Theodore S. Rappaport

This paper studies radio propagation mechanisms that impact handoffs, air interface design, beam steering, and MIMO for 5G mobile communication systems. Knife edge diffraction (KED) and a creeping wave linear model are shown to predict…

Information Theory · Computer Science 2018-02-14 Theodore S. Rappaport , George R. MacCartney , Shu Sun , Hangsong Yan , Sijia Deng

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

Global allocations in the upper mid-band spectrum (4--24 GHz) necessitate a comprehensive exploration of the propagation behavior to meet the promise of coverage and capacity. This paper presents an extensive Urban Microcell (UMi) outdoor…

Terahertz frequency bands will likely be used for the next-generation wireless communication systems to provide data rates of hundreds of Gbps or even Tbps because of the wide swaths of unused and unexplored spectrum. This paper presents…

Information Theory · Computer Science 2021-10-26 Yunchou Xing , Theodore S. Rappaport

This paper presents directional and omnidirectional RMS delay spread statistics obtained from 28 GHz and 73 GHz ultrawideband propagation measurements carried out in New York City using a 400 Megachips per second broadband sliding…

Information Theory · Computer Science 2015-03-19 George R. MacCartney , Mathew K. Samimi , Theodore S. Rappaport

This paper describes wideband (1 GHz) base station diversity and coordinated multipoint (CoMP)-style large-scale measurements at 73 GHz in an urban microcell open square scenario in downtown Brooklyn, New York on the NYU campus. The…

Information Theory · Computer Science 2018-05-10 George R. MacCartney , Theodore S. Rappaport , Amitava Ghosh

Comparisons of outdoor Urban Microcell (UMi) large-scale path loss models, root mean square (RMS) delay spreads (DS), angular spreads (AS), and the number of spatial beams for extensive measurements performed at 28, 38, 73, and 142 GHz are…

Information Theory · Computer Science 2021-10-26 Yunchou Xing , Theodore S. Rappaport

5G millimeter wave (mmWave) technology is envisioned to be an integral part of next-generation vehicle-to-everything (V2X) networks and autonomous vehicles due to its broad bandwidth, wide field of view sensing, and precise localization…

Signal Processing · Electrical Eng. & Systems 2018-04-11 Chethan Kumar Anjinappa , Ismail Guvenc

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

5G millimeter wave (mmWave) technology is envisioned to be an integral part of next-generation vehicle-to-everything (V2X) networks and autonomous vehicles due to its broad bandwidth, wide field of view sensing, and precise localization…

Signal Processing · Electrical Eng. & Systems 2018-08-06 Chethan Kumar Anjinappa , 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

Millimeter wave (mmWave) bands have been utilized for the fifth generation (5G) communication systems and will no doubt continue to be deployed for beyond 5G (B5G). However, the underlying channels are not fully investigated at…

Signal Processing · Electrical Eng. & Systems 2020-07-29 Jie Huang , Cheng-Xiang Wang , Hengtai Chang , Jian Sun , Xiqi Gao

In this paper, two large-scale fading path loss models are presented based on indoor and outdoor channel measurements at 73 GHz. The line-of-sight millimeter-wave propagation measurement campaigns were uniquely conducted within the indoor…

Signal Processing · Electrical Eng. & Systems 2019-06-26 Mahfuza Khatun , Changyu Guo , Letizia Moro , David Matolak , Hani Mehrpouyan

Millimeter wave (mmWave) communication is a key enabling technology with the potential to deliver high capacity, high peak data rate communications for future railway services. Knowledge of the radio characteristics is of paramount…

Networking and Internet Architecture · Computer Science 2018-07-03 Berna Bulut , Thomas Barratt , Di Kong , Jue Cao , Alberto Loaiza Freire , Simon Armour , Mark Beach

This paper presents 28 GHz and 73 GHz millimeter- wave propagation measurements performed in a typical office environment using a 400 Megachip-per-second broadband sliding correlator channel sounder and highly directional steerable 15 dBi…

Information Theory · Computer Science 2016-11-17 Sijia Deng , Mathew K. Samimi , Theodore S. Rappaport

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

Fifth-generation (5G) cellular systems are likely to operate in the centimeter-wave (3-30 GHz) and millimeter-wave (30-300 GHz) frequency bands, where a vast amount of underutilized bandwidth exists world-wide. To assist in the research and…

Signal Processing · Electrical Eng. & Systems 2020-12-02 Ahmed Iyanda Sulyman , Abdulmalik Alwarafy , George R. MacCartney , Theodore S. Rappaport , Abdulhameed Alsanie

Millimeter-Wave (mmWave) (30-300 GHz) and D band (110-170 GHz) frequencies are poised to play a pivotal role in the advancement of sixth-generation (6G) systems and beyond with increased demand for greater bandwidth and capacity. This paper…

Information Theory · Computer Science 2024-12-02 Chathuri Weragama , Joonas Kokkoniemi , Mar Francis De Guzman , Katsuyuki Haneda , Pekka Kÿosti , Markku Juntti

In this work, we present a framework analysis of millimeter waves (mmWaves) vehicular communications systems. Communications between vehicles take place through a cooperative relay which acts as an intermediary base station (BS). The relay…

Information Theory · Computer Science 2020-10-26 Elyes Balti , Brian K. Johnson
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