55 search results - page 5 / 11 » Spectrum sharing for unlicensed bands |
GLOBECOM
2007
IEEE
14 years 18 days ago
2007
IEEE
— In this paper, we propose a novel channel sounding technique, called the multicarrier direct sequence swept time delay cross-correlation (MC-DS-STDCC), which is designed to min...
EJWCN
2010
13 years 1 months ago
2010
The spectrum scarcity problem emerged in recent years, due to unbalanced utilization of RF (radio frequency) bands in the current state of wireless spectrum allocations. Spectrum a...
JSAC
2008
13 years 6 months ago
2008
In order to fully utilize scarce spectrum resources, dynamic spectrum allocation becomes a promising approach to increase the spectrum efficiency for wireless networks. However, th...
GLOBECOM
2009
IEEE
14 years 1 months ago
2009
IEEE
Abstract—Cognitive Radio Networks aim at enhancing spectrum utilization by allowing cognitive devices to opportunistically access vast portions of the spectrum. To reach such amb...
DAC
2005
ACM
13 years 8 months ago
2005
ACM
The cellular wireless market has begun the transition to data centric services including high speed internet access, video, high quality audio, and gaming. Communications technolo...