159 search results - page 17 / 32 » Optimization of OFDMA-Based Cellular Cognitive Radio Network... |
MOBIHOC
2007
ACM
14 years 7 months ago
2007
ACM
A number of studies have shown the abundance of unused spectrum in the TV bands. This is in stark contrast to the overcrowding of wireless devices in the ISM bands. A recent trend...
AAAI
1996
13 years 9 months ago
1996
GTE Laboratories, in cooperation with GTE Mobilnet, has developed and deployed PERFFEX (PERFormance Expert), an intelligent system for performance and configuration management of ...
INFOCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— Channel allocation was extensively studied in the framework of cellular networks. But the emergence of new system concepts, such as cognitive radio systems, has brought this to...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
—We consider a cognitive radio network with distributed multiple secondary users, where each user independently searches for spectrum opportunities in multiple channels without e...
JSAC
2011
12 years 10 months ago
2011
—Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) to access the licens...