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Kim, Hyoil
Wireless & Mobile Networking Lab (WMNL)
Research Interests
  • Wireless networks, cognitive radio, WLAN, LTE, mobile cloud, 5G

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COGNITIVE RADIOS FOR DYNAMIC SPECTRUM ACCESS: FROM CONCEPT TO REALITY

Cited 30 times inthomson ciCited 37 times inthomson ci
Title
COGNITIVE RADIOS FOR DYNAMIC SPECTRUM ACCESS: FROM CONCEPT TO REALITY
Author
Shin, Kang G.Kim, HyoilMin, Alexander W.Kumar, Ashwini
Keywords
Cognitive radio; Cognitive radio technologies; Dynamic spectrum access; IEEE 802.11s; IEEE 802.22; MAC protocol; Opportunistic routing; Protocol stack; Real-life applications; Research communities; Spectrum sensing; Spectrum trading; State of the art; Transport protocols
Issue Date
2010-12
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE WIRELESS COMMUNICATIONS, v.17, no.6, pp.64 - 74
Abstract
This article provides a comprehensive survey of cognitive radio technology, focusing on its application to dynamic spectrum access, especially from the perspective of realizing consumer- oriented CR networks. We first overview the state of the art in CR technology and identify its key functions across the protocol stack, such as spectrum sensing, resource allocation, CR MAC protocol, spectrum-aware opportunistic routing, CR transport protocol, QoS awareness, spectrum trading, and security. We also review the various schemes proposed for each of these functions and discuss the suitability, advantages, and limitations of their usage in the future CR market. Finally, we introduce the activities in CR research communities and industry in terms of development of real-life applications, such as IEEE 802.22, Ecma 392, and IEEE 802.11af (also known as Wi-Fi 2.0 or White-Fi), and then identify necessary steps for future CR applications.
URI
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DOI
10.1109/MWC.2010.5675780
ISSN
1536-1284
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EE_Journal Papers
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