88 search results - page 2 / 18 » Goal-driven opportunistic sensing |
WMCSA
2008
IEEE
13 years 12 months ago
2008
IEEE
The development of sensing systems for urban deployments is still in its infancy. An interesting unresolved issue is the precise role assumed by people within such systems. This i...
GLOBECOM
2010
IEEE
13 years 2 months ago
2010
IEEE
Abstract--Wireless networks, especially mobile ad hoc networks (MANET) and cognitive radio networks (CRN), are facing two new challenges beyond traditional random network model: op...
INFOCOM
2011
IEEE
12 years 9 months ago
2011
IEEE
—Cognitive radios (CRs) can mitigate the impending spectrum scarcity problem by utilizing their capability of accessing licensed spectrum bands opportunistically. While most exis...
JSAC
2011
13 years 16 days ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
CORR
2012
Springer
12 years 1 months ago
2012
Springer
—IEEE 802.11 DCF is the MAC protocol currently used in wireless LANs. 802.11 DCF is inefficient due to two types of overhead; channel idle time and collision time. This paper pr...