29 search results - page 5 / 6 » Power Adaptive Cognitive Pilot Channel for Spectrum Co-exist... |
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
The present paper deals with dynamic resource management based on quantized channel state information (CSI) for multi-carrier cognitive radio networks comprising primary and secon...
MOBICOM
2009
ACM
14 years 2 months ago
2009
ACM
There has been burgeoning interest in wireless technologies that can use wider frequency spectrum. Technology advances, such as 802.11n and ultra-wideband (UWB), are pushing towar...
ICMCS
2007
IEEE
14 years 1 months ago
2007
IEEE
Much attention has been paid to the problem of optimally utilizing resources such as spectrum, power and time in order to achieve the best video delivery quality in wireless commu...
WOWMOM
2009
ACM
14 years 1 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...
INFOCOM
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— The inherent spread spectrum nature in ultrawideband (UWB) communications can support simultaneous transmissions. Two nearby transmissions do not collide, but rather ge...