134 search results - page 14 / 27 » Cooperative Adaptive Spectrum Sharing in Cognitive Radio Net... |
WIOPT
2010
IEEE
13 years 5 months ago
2010
IEEE
—Cognitive radio networks provide the capability to share the wireless channel with licensed (primary) users in an opportunistic manner. Primary users have a license to operate i...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract— The coexistence and resource sharing between a primary network utilizing cognitive relays and a secondary network are investigated. Two multiple access protocols are pr...
TWC
2008
13 years 7 months ago
2008
A resource allocation framework is presented for spectrum underlay in cognitive radio networks. We consider both interference constraints for primary users and quality of service (...
TWC
2008
13 years 7 months ago
2008
We consider a secondary usage of spectrum scenario where a secondary network coexists and/or shares the radio spectrum with a primary network to which the spectrum is licensed. The...
WCNC
2010
IEEE
13 years 11 months ago
2010
IEEE
Abstract—In cognitive mobile multihop relay (CMMR) network, the mobile user as the primary user is allocated with the channel for transmitting data. Relay station as the secondar...