88 search results - page 12 / 18 » Cooperative Relay for Cognitive Radio Networks |
INFOCOM
2012
IEEE
11 years 10 months ago
2012
IEEE
—We study the capacity and delay scaling laws for cognitive radio network (CRN) with static primary users and heterogeneous mobile secondary users coexisting in the unit planar a...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Successful spectrum sharing in a cognitive radio network depends on the correct and quick detection of primary activity. Cooperative spectrum sensing is therefore suggested to enh...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
—To improve the performance of spectrum sensing, cooperation among Cognitive Radios (CRs) has been proposed recently as an effective solution. Most existing works require either ...
GLOBECOM
2008
IEEE
14 years 2 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...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
—Underwater acoustic channel usually has low data rate, long propagation delay, severe multipath effect, and time varying fading. Cooperative transmission is a new wireless commu...