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JSAC
2011
136views more  JSAC 2011»
12 years 10 months ago
Spectrum Trading in Cognitive Radio Networks: A Contract-Theoretic Modeling Approach
—Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) to access the licens...
Lin Gao, Xinbing Wang, Youyun Xu, Qian Zhang
TWC
2008
225views more  TWC 2008»
13 years 7 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
JSAC
2007
104views more  JSAC 2007»
13 years 7 months ago
Price dynamics in competitive agile spectrum access markets
— We explore the price dynamics in a competitive market consisting of spectrum agile network service providers and users. Here, multiple self interested spectrum providers operat...
Yiping Xing, Rajarathnam Chandramouli, Carlos de M...
ICC
2008
IEEE
236views Communications» more  ICC 2008»
14 years 1 months ago
Carrier Sensing Based Multiple Access Protocols for Cognitive Radio Networks
—Cognitive radio (CR) dynamically accessing inactive radio spectrum of the primary system (PS) at link level has attracted a lot of research interests. The cognitive radio networ...
Shao-Yu Lien, Chih-Cheng Tseng, Kwang-Cheng Chen
WIOPT
2011
IEEE
12 years 11 months ago
Network utility maximization over partially observable Markovian channels
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...
Chih-Ping Li, Michael J. Neely