85 search results - page 14 / 17 » Model-Based Opportunistic Channel Access in Dynamic Spectrum... |
153
Voted
WIOPT
2011
IEEE
14 years 7 months ago
2011
IEEE
Abstract—This paper considers maximizing throughput utility in a multi-user network with partially observable Markov ON/OFF channels. Instantaneous channel states are never known...
119
Voted
TWC
2010
14 years 10 months ago
2010
Abstract--In this paper, we propose a novel spectrum occupancy model designed to generate accurate temporal and frequency behavior of various wireless transmissions. Our proposed w...
153
Voted
WOWMOM
2009
ACM
15 years 10 months ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
115
Voted
ICCCN
2007
IEEE
15 years 10 months ago
2007
IEEE
To improve spectrum efficiency, future wireless devices will use cognitive radios to dynamically access spectrum. While offering great flexibility and softwarereconfigurability...
130
Voted
WIOPT
2010
IEEE
15 years 1 months ago
2010
IEEE
Abstract—Development of dynamic spectrum access and allocation techniques recently have made feasible the vision of cognitive radio systems. However, a fundamental question arise...