84 search results - page 4 / 17 » Proximity Sensing Using IEEE 802.15.4 Radios |
GLOBECOM
2007
IEEE
14 years 17 days ago
2007
IEEE
—One of the main requirements of cognitive radio systems is the ability to reliably detect the presence of licensed primary transmissions. Previous works on the problem of detect...
INFOCOM
2012
IEEE
11 years 8 months ago
2012
IEEE
—Cognitive Radio Networks allow unlicensed users to opportunistically access the licensed spectrum without causing disruptive interference to the primary users (PUs). One of the ...
CISS
2010
IEEE
12 years 10 months ago
2010
IEEE
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
This paper develops a cooperative scheme among cognitive radios (CRs) to increase the spectrum sensing performance. CRs adaptively transmit local binary decisions to a fusion cente...
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
Owing to the non-zero probability of the missed detection and false alarm of active primary transmission, a certain degree of performance degradation of the primary user (PU) from...