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GLOBECOM
2008
IEEE
13 years 5 months ago
Cooperative Spectrum Allocation in Centralized Cognitive Networks Using Bipartite Matching
—Conflict free spectrum allocation for secondary users in cognitive networks is a challenging problem, since the accessible spectrum is shared among users. The problem becomes to...
Chengshi Zhao, Mingrui Zou, Bin Shen, Bumjung Kim,...
VTC
2008
IEEE
224views Communications» more  VTC 2008»
13 years 10 months ago
Dynamic Spectrum Allocation in Wireless Cognitive Sensor Networks: Improving Fairness and Energy Efficiency
Abstract- This paper considers the centralized spectrum allocations in resource-constrained wireless sensor networks with the following goals: (1) allocate spectrum as fairly as po...
Sang-Seon Byun, Ilangko Balasingham, Xuedong Liang
INFOCOM
2009
IEEE
13 years 11 months ago
Cooperative Relay for Cognitive Radio Networks
—Cognitive radio has been proposed in recent years to promote the spectrum utilization by exploiting the existence of spectrum holes. The heterogeneity of both spectrum availabil...
Juncheng Jia, J. Jun Jun Zhang, Qian Zhang
MOBIHOC
2007
ACM
14 years 3 months ago
Allocating dynamic time-spectrum blocks in cognitive radio networks
A number of studies have shown the abundance of unused spectrum in the TV bands. This is in stark contrast to the overcrowding of wireless devices in the ISM bands. A recent trend...
Yuan Yuan, Paramvir Bahl, Ranveer Chandra, Thomas ...
MASS
2010
172views Communications» more  MASS 2010»
13 years 2 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