192 search results - page 20 / 39 » Optimal spectrum sensing framework for cognitive radio netwo... |
JDCTA
2010
13 years 2 months 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...
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—Modern frequency-agile radios are capable of dynamically changing the spectrum width and central frequency of its channels. Existing spectrum sharing algorithms often fa...
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
—Market based spectrum trading has been extensively studied to realize efficient spectrum utilization in cognitive radio networks (CRNs). In this paper, we utilize the concept o...
JSAC
2011
13 years 2 months ago
2011
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
ICUMT
2009
13 years 5 months ago
2009
In cognitive radio networks, secondary user (SU) does not have rights to transmit when the primary user (PU) band is occupied, that's why a sensing technique must be done. Rec...