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MOBIHOC
2010
ACM
13 years 3 months ago
Breaking bidder collusion in large-scale spectrum auctions
Dynamic spectrum auction is an effective solution to provide spectrum on-demand to many small wireless networks. As the number of participants grows, bidder collusion becomes a se...
Xia Zhou, Haitao Zheng
INFOCOM
2010
IEEE
13 years 3 months ago
Cooperative Resource Management in Cognitive WiMAX with Femto Cells
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...
Jin Jin, Baochun Li
JSAC
2008
254views more  JSAC 2008»
13 years 5 months ago
Cross-Layer Based Opportunistic MAC Protocols for QoS Provisionings Over Cognitive Radio Wireless Networks
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
Hang Su, Xi Zhang
ICASSP
2009
IEEE
13 years 12 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
JSAC
2011
253views more  JSAC 2011»
13 years 6 days ago
Control Channel Establishment in Cognitive Radio Networks using Channel Hopping
Abstract—In decentralized cognitive radio (CR) networks, enabling the radios to establish a control channel (i.e., “rendezvous” to establish a link) is a challenging problem....
Kaigui Bian, Jung Min Park, Ruiliang Chen