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JSAC
2011
191views more  JSAC 2011»
14 years 4 months ago
CRP: A Routing Protocol for Cognitive Radio Ad Hoc Networks
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
Kaushik R. Chowdhury, Ian F. Akyildiz
WCNC
2010
IEEE
15 years 1 months ago
Credit-Based Spectrum Sharing for Cognitive Mobile Multihop Relay Networks
Abstract—In cognitive mobile multihop relay (CMMR) network, the mobile user as the primary user is allocated with the channel for transmitting data. Relay station as the secondar...
Dusit Niyato, Ping Wang
GLOBECOM
2009
IEEE
15 years 4 months ago
Capacity Impact of Location-Aware Cognitive Sensing
— We study Bayesian detection based cognitive sensing and analyze its impact on the capacity in various cases of location information. In a network of one primary and one cogniti...
Peng Jia, Mai Vu, Tho Le-Ngoc
ICASSP
2011
IEEE
14 years 1 months ago
Stochastic resource allocation for cognitive radio networks based on imperfect state information
Efficient design of cognitive radio networks calls for secondary users implementing adaptive resource allocation, which requires knowledge of the channel state information in ord...
Antonio G. Marqués, Georgios B. Giannakis, ...
CORR
2007
Springer
116views Education» more  CORR 2007»
14 years 9 months ago
Scaling Laws of Cognitive Networks
—Opportunistic secondary spectrum usage has the potential to dramatically increase spectral efficiency and rates of a network of secondary cognitive users. In this work we consi...
Mai Vu, Natasha Devroye, Masoud Sharif, Vahid Taro...