Results 31 to 40 of about 1,034,587 (282)
Suboptimal Approach to Distributed Detection in Cognitive Radio Networks
Journal of Telecommunications and Information Technology, 2021 In this paper a dynamic spectrum access (DSA) concept is explored for mitigating the paucity of spectral bandwidth in cognitive radio (CR) for opportunistic, dynamic access of the spectrum without any interference.
Shweta Kumari, Sirimilla Praveena
doaj +1 more source
Intelligent and Converged Networks, 2020 For a future scenario where everything is connected, cognitive technology can be used for spectrum sensing and access, and emerging coding technologies can be used to address the erasure of packets caused by dynamic spectrum access and realize cognitive ...
Peixiang Cai, Yu Zhang
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Noncooperative equilibrium solutions for spectrum access in distributed cognitive radio networks [PDF]
, 2008 This paper considers the problem of channel selection and dynamic spectrum access in distributed cognitive radio networks. The ability of a cognitive radio to adaptively switch between channels offers tremendous scope to optimize performance.
Armour, SMD +4 more
core +2 more sources
Beacon-enabled cognitive access for dynamic spectrum access
Proceedings of the 8th Euro-NF Conference on Next Generation Internet NGI 2012, 2012 In dynamic spectrum access networks, the unused licensed spectrum used by primary users (PU) is opened to unlicensed secondary users (SU) for improving spectrum efficiency. We design a simple time-based threshold policy for collective protection of PUs, enabled by an out-of-band channel.
Ngoga, Said Rutabayiro +2 more
openaire +3 more sources
ENERGY EFFICENT AUCTION BASED DYNAMIC SPECTRUM ACCESS NETWORK
International Islamic University Malaysia Engineering Journal, 2017 A framework is proposed which is aimed at increasing the much needed revenue of the wireless service providers. The model uses the price paid by the wireless users to control the amount of energy consumed and the admission process based on a dynamic ...
Abdulkarim Ayopo Oloyede
doaj +1 more source
The Veterans Emergency Housing Program [PDF]
, 1947 Dynamic spectrum access (DSA) schemes allow the users to share spectrum resources by taking advantage of the variations in spectrum demand over time and space. Carrying out dynamic spectrum allocation centrally, however, can be a complex task.
Ileri, Ömer +2 more
core +4 more sources
Spectrum occupancy measurements and lessons learned in the context of cognitive radio [PDF]
, 2015 Various measurement campaigns have shown that numerous spectrum bands are vacant even though licenses have been issued by the regulatory agencies. Dynamic spectrum access (DSA) based on Cognitive Radio (CR) has been regarded as a prospective solution to ...
Ammar, M. +4 more
core +2 more sources
Discrete Exclusion Zone for Dynamic Spectrum Access Wireless Networks
IEEE Access, 2020 The implementation of a geographic exclusion zone (GEZ) has been a scheme in regulations developed to protect a primary user (PU) in dynamic spectrum access wireless networks, where secondary users (SUs) can transmit only outside the exclusion zone ...
Chen Sun, Ruicheng Jiao
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Dynamic Spectrum Sharing in the Age of Millimeter Wave Spectrum Access
, 2020 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 serve.
Hamdaoui, Bechir +2 more
core +1 more source
Signal Detection for QPSK Based Cognitive Radio Systems using Support Vector Machines [PDF]
, 2015 Cognitive radio based network enables opportunistic dynamic spectrum access by sensing, adopting and utilizing the unused portion of licensed spectrum bands.
Khan, I. +3 more
core +2 more sources