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CISS
2008
IEEE
14 years 1 months ago
Adversarial interference models for multiantenna cooperative systems
Abstract— According to the cognitive radio paradigm, a terminal or subsystem will opportunistically select a frequency band for data transmission. Because the spectrum is shared,...
Anand D. Sarwate, Michael Gastpar
MASS
2010
172views Communications» more  MASS 2010»
13 years 5 months ago
Routing and spectrum allocation for video on-demand streaming in cognitive wireless mesh networks
Cognitive radio, which enables dynamic access of under-utilized licensed spectrums, is a promising technology for more efficient spectrum utilization. Since cognitive radio enables...
Yong Ding, Li Xiao
WICON
2008
13 years 9 months ago
Traffic-aware dynamic spectrum access
Demand-driven spectrum allocation can drastically improve performance for WiFi access points struggling under increasing user demands. While their frequency agility makes cognitive...
Lei Yang, Lili Cao, Heather Zheng, Elizabeth M. Be...
WCNC
2010
IEEE
13 years 11 months ago
Hedonic Coalition Formation Games for Secondary Base Station Cooperation in Cognitive Radio Networks
— In order to maintain a conflict-free environment among licensed primary users (PUs) and unlicensed secondary users (SUs) in cognitive radio networks, providing frequency and g...
Walid Saad, Zhu Han, Tamer Basar, Are Hjøru...
ICASSP
2009
IEEE
14 years 2 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