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Real-Time Spectrum Sensing for Inference and Control.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Real-Time Spectrum Sensing for Inference and Control./
Author:	Uvaydov, Daniel.
Description:	1 online resource (135 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 85-03, Section: B.
Contained By:	Dissertations Abstracts International85-03B.
Subject:	Electrical engineering. -
Online resource:	click for full text (PQDT)
ISBN:	9798380156073

Real-Time Spectrum Sensing for Inference and Control.
Uvaydov, Daniel.

Real-Time Spectrum Sensing for Inference and Control. - 1 online resource (135 pages)

Source: Dissertations Abstracts International, Volume: 85-03, Section: B.

Thesis (Ph.D.)--Northeastern University, 2023.

Includes bibliographical references

Through growing cellular innovations, the usage and congestion of the wireless spectrum is increasing at incredible speeds. High demand and limited supply pose a resource issue known as the "spectrum crunch". With the high diversity of users sharing a large portion of the spectrum to request and receive diverse services, spectrum coordination becomes very difficult. Large scale device synchronization for spectrum coordination requires high overhead and more wireless transmissions further reducing spectrum resources. However, by monitoring the spectrum, otherwise known as spectrum sensing, we can develop mechanisms where users can opportunistically take action based on the current state of the spectrum, without need for direct coordination between devices. Spectrum sensing can enable the next generation of wireless applications ranging from opportunistic spectrum access to cognitive radio networks. The key unaddressed challenges of spectrum sensing are that (i) it requires very extensive and diverse datasets; (ii) it has to be performed with extremely low latency over varying bandwidths and must guarantee strict real-time processing constraints; (iii) its underlying algorithms need to be extremely accurate, and flexible enough to work with different wireless bands and protocols to find application in real-world settings.This dissertation focuses on addressing these challenges in multiple wireless applications by utilizing Deep Learning (DL) techniques as the main vehicle of spectrum sensing for both inference and control. Algorithmic spectrum sensing has generally been model-based which limits its performance in diverse settings and environments, for this reason we explore data-driven spectrum sensing algorithms. Mainly, this work takes a holistic approach to address spectrum sensing problems from multiple directions with the overarching goal of developing the core building blocks for the next generation of intelligent, AI-driven, efficient spectrum sharing systems. By leveraging mechanisms such as data augmentation, channel attention, voting, and segmentation we are able to push beyond the capabilities of existing DL techniques and create generalizable spectrum sensing algorithms. Furthermore we deploy different spectrum sensing solutions in real testbeds for over the air evaluations and applicable proof-of-concepts. The contributions of this work includes (i) multiple datasets and implementations for DL enabled spectrum sensing with applications in radio frequency and underwater; (ii) a method for tackling the core issue of dataset generation in supervised learning algorithms for spectrum sensing via a novel data augmentation technique; (iii) a study into one of the first ever semi-unsupervised approaches for wideband multi-class spectrum sensing.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798380156073Subjects--Topical Terms:

596380
Electrical engineering.
Subjects--Index Terms:

Deep learningIndex Terms--Genre/Form:

554714
Electronic books.

Real-Time Spectrum Sensing for Inference and Control.
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