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[...] This paper explores how spectrum policy and spectrum technologies can evolve to enable sharing among different stakeholders in the above 100 GHz spectrum, without introducing harmful interference or disrupting either security…

Networking and Internet Architecture · Computer Science 2023-06-14 Michele Polese , Xavier Cantos-Roman , Arjun Singh , Michael J. Marcus , Thomas J. Maccarone , Tommaso Melodia , Josep M. Jornet

With the proliferation of wideband active services in bands shared with passive receivers for remote sensing and radio astronomy, new methods are needed for deconflicting active and passive users. We have developed a technique for…

Networking and Internet Architecture · Computer Science 2023-05-31 Ashton Palacios , Dinah Bronson , Jon Backman , Karl Warnick , Philip Lundrigan

The emerging Non-Terrestrial Networks (NTNs) can aid to provide 5G and beyond services everywhere and anytime. However, the vast emergence of NTN systems will introduce an unseen interference to both the existing satellite systems and…

Networking and Internet Architecture · Computer Science 2023-07-21 Henrik Martikainen , Mikko Majamaa , Jani Puttonen

Historical fragmentation in spectrum access models accentuates the need for novel concepts that allow for efficient sharing of already available but underutilized spectrum. The emerging Licensed Shared Access (LSA) regulatory framework is…

Networking and Internet Architecture · Computer Science 2016-11-18 Aleksei Ponomarenko-Timofeev , Alexander Pyattaev , Sergey Andreev , Yevgeni Koucheryavy , Markus Mueck , Ingolf Karls

Next-generation wireless networks are facing spectrum shortage challenges, mainly due to, among other factors, the projected massive numbers of IoT connections and the emerging bandwidth-hungry applications that such networks ought to…

Networking and Internet Architecture · Computer Science 2020-05-07 Bechir Hamdaoui , Bassem Khalfi , Nizar Zorba

A significant portion of the radio frequency spectrum remains underutilized with exclusive and static allocation of spectrum. The growing demand for spectrum has spurred a need for dynamic spectrum sharing paradigm. While the new dynamic…

Networking and Internet Architecture · Computer Science 2016-08-30 Nilesh Khambekar , Chad Spooner , Vipin Chaudhary

We develop a novel design framework for dynamic distributed spectrum sharing among secondary users (SUs) who adjust their power levels to compete for spectrum opportunities while satisfying the interference temperature (IT) constraints…

Information Theory · Computer Science 2012-08-10 Yuanzhang Xiao , Mihaela van der Schaar

Wireless devices need spectrum to communicate. With the increase in the number of devices competing for the same spectrum, it has become nearly impossible to support the throughput requirements of all the devices through current spectrum…

Networking and Internet Architecture · Computer Science 2021-11-23 Aniq Ur Rahman , Mustafa A. Kishk , Mohamed-Slim Alouini

Cognitive radio nodes have been proposed as means to improve the spectrum utilization. It reuses the spectrum of a primary service provider under the condition that the primary service provider services are not harmfully interrupted. A…

Networking and Internet Architecture · Computer Science 2012-06-15 R. Kaniezhil , C. Chandrasekar , S. NithyaRekha

As the services and requirements of next-generation wireless networks become increasingly diversified, it is estimated that the current frequency bands of mobile network operators (MNOs) will be unable to cope with the immensity of…

Signal Processing · Electrical Eng. & Systems 2022-03-22 Mohammad Parvini , Amir Hossein Zarif , Ali Nouruzi , Nader Mokari , Mohammad Reza Javan , Bijan Abbasi , Amir Ghasemi , Halim Yanikomeroglu

Wireless connectivity is essential for industrial production processes and workflow management. Moreover, the connectivity requirements of industrial devices, which are usually long-term investments, are diverse and require different radio…

Networking and Internet Architecture · Computer Science 2024-03-29 David Candal-Ventureira , Francisco Javier González-Castaño , Felipe Gil-Castiñeira , Pablo Fondo-Ferreiro

Dynamic spectrum access is essential for radiocommunication and its limited spectrum resources. The key element of dynamic spectrum access systems is effective spectrum occupancy detection. In many cases, machine learning algorithms improve…

Networking and Internet Architecture · Computer Science 2024-03-07 Łukasz Kułacz

To enforce incumbent protection through a spectrum access system (SAS) or future centralized shared spectrum system, dynamic protection area (DPA) neighborhood distances are employed. These distances are distance radii, in which citizen…

Instrumentation and Methods for Astrophysics · Physics 2024-02-12 Nicholas Papadopoulos , Mark Lofquist , Andrew W. Clegg , Kevin Gifford

Dynamic spectrum access allows the unlicensed wireless users (secondary users) to dynamically access the licensed bands from legacy spectrum holders (primary users) either on an opportunistic or a cooperative basis. In this paper, we focus…

Networking and Internet Architecture · Computer Science 2015-12-04 Nima Namvar , Fatemeh Afghah

Nowadays, cognitive radio is one of the most promising paradigms in the arena of wireless communications, as it aims at the proficient use of radio resources. Proper utilization of the radio spectrum requires dynamic spectrum accessing. To…

Networking and Internet Architecture · Computer Science 2013-08-13 Sk. Shariful Alam , Lucio Marcenaro , Carlo Regazzoni

Direct-sequence spread spectrum (DSSS) has been recognized as an effective jamming resilient technique. However, the effectiveness of DSSS relies on the use of either pre-shared unique secret keys or a bank of public codes, which can be…

Information Theory · Computer Science 2018-03-21 Jay Prakash , Chenxi Liu , Jemin Lee , Tony Q. S. Quek

Cognitive radio (CR) is a new paradigm that utilizes the available spectrum band. The key characteristic of CR system is to sense the electromagnetic environment to adapt their operation and dynamically vary its radio operating parameters.…

Networking and Internet Architecture · Computer Science 2013-09-27 Anita Garhwal , Partha Pratim Bhattacharya

Dynamic spectrum sharing approach is a paradigm shift from the conventional static and exclusive approach to spectrum allocation. The existing methodologies to define use of the spectrum and quantify its efficiency are based on the static…

Networking and Internet Architecture · Computer Science 2014-05-12 Nilesh khambekar , Chad M. Spooner , Vipin Chaudhary

The growing demand for mid-band spectrum necessitates efficient Dynamic Spectrum Sharing (DSS) to ensure coexistence between cellular networks and incumbent radar systems. Existing Spectrum Access System (SAS) frameworks rely on fixed…

Systems and Control · Electrical Eng. & Systems 2026-01-07 Azuka Chiejina , Divyadharshini Muruganandham , Vini Chaudhary , Kaushik Chowdhury , Vijay K. Shah

The growth in wireless broadband users, devices, and novel applications has led to a significant increase in the demand for new radio frequency spectrum. This is expected to grow even further given the projection that the global traffic per…

Networking and Internet Architecture · Computer Science 2020-09-09 Abdallah Moubayed , Tanveer Ahmed , Anwar Haque , Abdallah Shami
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