18 search results - page 2 / 4 » Sensing-Throughput Tradeoff for Cognitive Radio Networks |
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— Cognitive networks are the latest progression of cognitive functionality into the networking stack, an effort which began with a layer one and two focus on cognitive radios, an...
JSAC
2008
13 years 4 months ago
2008
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...
WCNC
2010
IEEE
2010
IEEE
Hedonic Coalition Formation Games for Secondary Base Station Cooperation in Cognitive Radio Networks
13 years 8 months ago
— In order to maintain a conflict-free environment among licensed primary users (PUs) and unlicensed secondary users (SUs) in cognitive radio networks, providing frequency and g...
INFOCOM
2011
IEEE
12 years 8 months ago
2011
IEEE
Abstract—Market-based mechanisms offer promising approaches for spectrum access in cognitive radio networks. In this paper, we focus on two market models, one with a monopoly pri...
TSP
2012
12 years 12 days ago
2012
—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...