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MOBICOM
2010
ACM
14 years 10 months ago
The spaces between us: setting and maintaining boundaries in wireless spectrum access
Guardbands are designed to insulate transmissions on adjacent frequencies from mutual interference. As more devices in a given area are packed into orthogonal wireless channels, c...
Lei Yang, Ben Y. Zhao, Haitao Zheng
INFOCOM
2008
IEEE
15 years 4 months ago
Competitive Analysis of Opportunistic Spectrum Access Strategies
—We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter m...
Nicholas B. Chang, Mingyan Liu
SECON
2010
IEEE
14 years 7 months ago
Leveraging Cognitive Radios for Effective Communications over Water
Wireless communications over water may suffer from serious multipath fading due to strong specular reflections from conducting water surfaces. Cognitive radios enable dynamic spect...
Jian Tang, Li Zhang, Richard S. Wolff, Weiyi Zhang
103
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MOBIHOC
2012
ACM
13 years 4 days ago
Spatial spectrum access game: nash equilibria and distributed learning
A key feature of wireless communications is the spatial reuse. However, the spatial aspect is not yet well understood for the purpose of designing efficient spectrum sharing mecha...
Xu Chen, Jianwei Huang
WCNC
2008
IEEE
15 years 4 months ago
An Analytical Performance Model of Opportunistic Spectrum Access in a Military Environment
— In an opportunistic spectrum sharing system, secondary users equipped with cognitive radios opportunistically access spectrum that is not being used by the primary users, i.e.,...
Shensheng Tang, Brian L. Mark