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TSP
2012
12 years 2 months ago
Sensing and Probing Cardinalities for Active Cognitive Radios
—In a cognitive radio network, opportunistic spectrum access (OSA) to the underutilized spectrum involves not only sensing the spectrum occupancy but also probing the channel qua...
Thang Van Nguyen, Hyundong Shin, Tony Q. S. Quek, ...
TWC
2008
225views more  TWC 2008»
13 years 6 months ago
Joint rate and power allocation for cognitive radios in dynamic spectrum access environment
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
Dong In Kim, Long Le, Ekram Hossain
MASS
2010
172views Communications» more  MASS 2010»
13 years 4 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
ICASSP
2010
IEEE
13 years 7 months ago
An auction-based framework for multimedia streaming over cognitive radio networks
Recently, many works have been proposed in the area of cognitive radio to efficiently utilize the spectrum for data communication. However, little effort has been made in content...
Yan Chen, Yongle Wu, Beibei Wang, K. J. Ray Liu
TON
2012
11 years 9 months ago
Power Control for Cognitive Radio Networks: Axioms, Algorithms, and Analysis
—The deployment of cognitive radio networks enables efficient spectrum sharing and opportunistic spectrum access. It also presents new challenges to the classical problem of int...
Siamak Sorooshyari, Chee Wei Tan, Mung Chiang