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IEEE Access, 2022 Spectrum occupancy modeling plays an important role in improving the performance of Cognitive Radio (CR) systems, because most of the methods to improve Dynamic Spectrum Access (DSA) performance need to make assumptions about the channel periods’ ...
Weiqin Li, Guoliang Shentu, Xiang Gao
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Enforcement in Dynamic Spectrum Access Systems [PDF]
, 2012 The spectrum access rights granted by the Federal government to spectrum users come with the expectation of protection from harmful interference. As a consequence of the growth of wireless demand and services of all types, technical progress enabling ...
Altamimi, Mohammed +3 more
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Information reuse in dynamic spectrum access [PDF]
, 2013 Dynamic spectrum access (DSA), where the permission to use slices of radio spectrum is dynamically shifted (in time an in different geographical areas) across various communications services and applications, has been an area of interest from technical ...
Krishnamurthy, P, Tipper, D, Weiss, M
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A dynamic spectrum access scheme for cognitive radio networks [PDF]
, 2009 —In this paper, the dynamic spectrum access problem for cognitive radio (CR) networks is formulated as maximizing the sum channel capacity while satisfying the power budgets of individual secondary user radios as well as the SINR constraints on both the ...
Du, KL, Ni, Q, Swamy, MNS
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Misbehavior Scenarios in Cognitive Radio Networks
Future Internet, 2010 Recent advances in the fields of Cognitive Radio and the proliferation of open spectrum access promise that spectrum-agile wireless communication will be widespread in the near future, and will bring significant flexibility and potential utility ...
Hermann de Meer +7 more
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Statistical spectrum occupancy prediction for dynamic spectrum access: a classification
EURASIP Journal on Wireless Communications and Networking, 2018 ᅟ Spectrum scarcity due to inefficient utilisation has ignited a plethora of dynamic spectrum access solutions to accommodate the expanding demand for future wireless networks.
Hamid Eltom +4 more
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Spectrum scanning and reserve channel methods for link maintenance in cognitive radio systems [PDF]
, 2008 Underutilization of the limited spectrum sparked the need for dynamic spectrum access and flexible spectrum policies. Accurate estimation of spectrum occupancy is an essential step for spectrum access in distributed networks.
Armour, SMD +3 more
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Privacy-Preserving Crowd-Sensing for Dynamic Spectrum Access With Malicious Workers
IEEE Access, 2021 The rapid growth of IoT wireless devices has caused severe spectrum shortage. The Dynamic Spectrum Access (DSA) paradigm is extremely well-suited to alleviate such spectrum shortage.
Erald Troja +3 more
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Channel Fragmentation in Dynamic Spectrum Access Systems - a Theoretical Study [PDF]
, 2010 Dynamic Spectrum Access systems exploit temporarily available spectrum (`white spaces') and can spread transmissions over a number of non-contiguous sub-channels. Such methods are highly beneficial in terms of spectrum utilization.
Coffman, Ed +4 more
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A Contract-Based Spectrum Trading Scheme for Cognitive Radio Networks Enabling Hybrid Access
IEEE Access, 2015 The latest trends in spectrum trading allow secondary users (SUs) to employ hybrid access models and exploit bandwidth employing either opportunistic spectrum access or exclusive spectrum access of vacant frequency bands (FBs) leased for exclusive usage.
Angeliki V. Kordali, Panayotis G. Cottis
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