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Advanced communications

Wireless (RF)

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Displaying 126 - 150 of 1204

Deep Learning for Radar Signal Detection in the 3.5 GHz CBRS Band

January 20, 2022
Author(s)
Raied Caromi, Alex Lackpour, Kassem Kallas, Thao T. Nguyen
This paper presents a comprehensive framework for generating radio frequency (RF) datasets, designing deep learning (DL) detectors, and evaluating their detection performance using both simulated and experimental test data. The proposed tools and

Markov Multi-Beamtracking in SU-MIMO with 60 GHz Mobile Channel Measurements

December 28, 2021
Author(s)
Steve Blandino, Jelena Senic, Camillo Gentile, Derek Caudill
Beamforming training refers to the exhaustive scan over which the receiver and transmitter beams are steered along a predefined set of angles to determine the beam pairs that coincide with the dominant channel paths, for spatial multiplexing. In the

Admission Control and Scheduling of Isochronous Traffic in IEEE 802.11ad MAC

December 20, 2021
Author(s)
Anirudha Sahoo, Weichao Gao, Tanguy Ropitault, Nada T. Golmie
An upsurge of bandwidth hungry applications such as virtual reality, augmented reality and availability of unlicensed spectrum in the mmWave band at 60 GHz have led to standardization of the next generation WiFi such as IEEE 802.11ad and 802.11ay. Due to

On Convergence of the Upper Bound on the Ratio of Gain to Quality Factor

December 6, 2021
Author(s)
Alex Yuffa, Marc Valdez, Benoit Derat
An antenna's practical far-field distance can be estimated from the upper bound on the ratio of its gain to quality factor. This upper bound is an infinite series that can be truncated based on the desired far-field accuracy. We investigate the convergence

Deep Learning Based Link-Level Abstraction for mmWave Communications

November 18, 2021
Author(s)
Jian Wang, Neeraj Varshney, Jiayi Zhang, David W. Griffith, Nada T. Golmie
Link abstraction is an efficient way for predicting link-level performance (e.g., whether the receiver successfully receives packets through communication links). It can be used to support system-level simulation and facilitate link adaption. Nonetheless

Configuration and Control of a Millimeter-Wave Synthetic Aperture Measurement System with Uncertainties

October 25, 2021
Author(s)
Alec J. Weiss, Jeanne Quimby, Rodney Leonhardt, Benjamin Jamroz, Dylan Williams, Kate Remley, Peter Vouras, Atef Elsherbeni
This paper discusses the configuration and control of a new millimeter wave over-the-air measurement system. This system provides unparalleled measurement accuracy, flexibility, and the ability to bound uncertainties on its measurements. The system also

Verification of the Channel Estimator Evaluator

October 25, 2021
Author(s)
Jeanne Quimby, Alec Weiss, Atef Elsherbeni
Fifth-generation millimeter-wave communications rely on channel estimators to correctly predict the frequency response of the propagating channel. Millimeter-wave communication systems have non-ideal hardware performance, such as phase noise, which

Estimating Regions of Wireless Coexistence with Gaussian Process Surrogate Models

October 22, 2021
Author(s)
Jake Rezac, Noel C. Hess, Jason Coder
Simultaneous coexistence of multiple wireless communications systems sharing the same spectrum is critical for the success of modern and future communications. We develop a technique for estimating regions of wireless coexistence (RWC) – the transmission

Anaylsing the 3GPP Spatial Consistency Procedure through Channel Measurements

October 21, 2021
Author(s)
Camillo Gentile, Chiehping Lai
Millimeter-wave channel measurements for a meeting room, lecture room and open plan office floor were used to analyse and model the spatial consistency of channel clusters. Particularly, how the angle of arrivals and delays of extracted multi-path

Wireless Time Sensitive Networking for Industrial Collaborative Robotic Workcells

September 22, 2021
Author(s)
Susruth Sudhakaran, Karl Montgomery, Mohamed Hany, Dave Cavalcanti, Rick Candell
In this paper, we describe a collaborative robotic workcell testbed enabled by Wireless Time Sensitive Networking (WTSN) technologies and discuss deployment, performance measurement and management guidelines challenges. We detail the methodologies for
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