175 search results - page 6 / 35 » Adaptive spectrum sensing for agile cognitive radios |
175
click to vote
JDCTA
2010
15 years 26 days ago
2010
With the intent of efficient occupying under-utilized spectrum, radio environment map (REM) based cognitive radio (CR) networking is proposed to facilitate the distributed spectru...
183
Voted
GLOBECOM
2009
IEEE
16 years 25 days 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...
193
click to vote
MOBICOM
2009
ACM
16 years 17 days ago
2009
ACM
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
178
Voted
CISS
2008
IEEE
16 years 16 days ago
2008
IEEE
Abstract— Quickest detection is applied to frequency spectrum sensing in cognitive radio systems. Distribution change in frequency domain is detected for vacating secondary radio...
161
click to vote
ICC
2007
IEEE
16 years 12 days ago
2007
IEEE
— In cognitive radio systems, secondary users can be coordinated to perform cooperative spectrum sensing so as to detect the primary user more accurately. However, when the sensi...