1934 search results - page 57 / 387 » Radio Networks with Reliable Communication |
MSWIM
2009
ACM
14 years 2 months ago
2009
ACM
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...
GLOBECOM
2007
IEEE
14 years 4 months ago
2007
IEEE
— In this paper, we investigate the channel selection strategy for secondary users in cognitive radio networks. We claim that in order to avoid the costly channel switchings, a s...
INFOCOM
2009
IEEE
14 years 4 months ago
2009
IEEE
—In this paper we study the distributed multi-channel power allocation for spectrum sharing cognitive radio networks with QoS guarantee. We formulate this problem as a noncoopera...
INFOCOM
2010
IEEE
13 years 8 months ago
2010
IEEE
Abstract—In cognitive radio networks (CRNs), detecting smallscale primary devices—such as wireless microphones (WMs)— is a challenging, but very important, problem that has n...
INFOCOM
2010
IEEE
13 years 8 months ago
2010
IEEE
Abstract—We consider a cognitive radio network where multiple secondary users (SUs) contend for spectrum usage, using random access, over available primary user (PU) channels. Ou...