47 search results - page 6 / 10 » Distributed Energy Efficient Spectrum Access in Wireless Cog... |
WOWMOM
2009
ACM
14 years 8 days ago
2009
ACM
Sensor network which operates on battery are used to gather data in a variety of environments. The data collected by each node is communicated through the network to the sink, whi...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
—The cognitive radio based IEEE 802.22 wireless regional area network (WRAN) is designed to operate in the under–utilized TV bands by detecting and avoiding primary TV transmis...
SUTC
2006
IEEE
14 years 1 months ago
2006
IEEE
With the emergence of ubiquitous computing the role of sensor network is becoming more important which demands highest level security and energy efficiency. In this paper we have ...
TSP
2010
13 years 2 months ago
2010
We consider decentralized multiantenna cognitive radio networks where the secondary (cognitive) users are granted simultaneous spectrum access along with the license-holding (prima...
JSAC
2008
13 years 7 months ago
2008
We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter must...