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WCNC
2008
IEEE
10 years 1 months ago
Modeling an Opportunistic Spectrum Sharing System with a Correlated Arrival Process
— In an opportunistic spectrum sharing (OSS) wireless network there are two types of users: primary users and secondary users. The primary users own the license for the system ba...
Shensheng Tang, Brian L. Mark
ICASSP
2008
IEEE
10 years 1 months ago
Power control in spectrum overlay networks: How to cross a multi-lane highway
—We consider power control in spectrum overlay networks (also referred to as opportunistic spectrum access) where secondary users identify and exploit instantaneous and local spe...
Wei Ren, Qing Zhao, Ashwin Swami
GLOBECOM
2008
IEEE
10 years 1 months ago
Evolutionary Game Framework for Behavior Dynamics in Cooperative Spectrum Sensing
—Cooperative spectrum sensing has been shown to greatly improve the sensing performance in cognitive radio networks. However, if the cognitive users belong to different service p...
Beibei Wang, K. J. Ray Liu, T. Charles Clancy
MOBICOM
2009
ACM
10 years 1 months ago
Revenue maximization and distributed power allocation in cognitive radio networks
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
Shaolei Ren, Mihaela van der Schaar
MOBICOM
2009
ACM
10 years 1 months ago
Connectivity of cognitive radio networks: proximity vs. opportunity
We address the connectivity of large-scale ad hoc cognitive radio networks, where secondary users exploit channels temporarily and locally unused by primary users and the existenc...
Wei Ren, Qing Zhao, Ananthram Swami
INFOCOM
2009
IEEE
10 years 1 months ago
A Cooperative Spectrum Sensing Consensus Scheme in Cognitive Radios
—Cooperative spectrum sensing is attracting more attention in Cognitive Radio networks. This paper proposes a fully distributed consensus-based cooperative spectrum sensing schem...
Zhiqiang Li, F. Richard Yu, Minyi Huang
ICASSP
2009
IEEE
10 years 1 months ago
Beacon-assisted spectrum access with cooperative cognitive transmitter and receiver
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
Ali Tajer, Xiaodong Wang
GLOBECOM
2009
IEEE
10 years 1 months ago
Price of Anarchy for Cognitive MAC Games
—In this paper, we model and analyze the interactions between secondary users in a spectrum overlay cognitive system as a cognitive MAC game. In this game, each secondary user ca...
Lok Man Law, Jianwei Huang, Mingyan Liu, Shuo-Yen ...
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