26 search results - page 2 / 6 » Channel Aggregation in Cognitive Radio Networks with Practic... |
JSAC
2008
13 years 4 months ago
2008
Abstract--Radio spectrum resource is of fundamental importance for wireless communication. Recent reports show that most available spectrum has been allocated. While some of the sp...
INFOCOM
2010
IEEE
13 years 3 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...
JSAC
2008
13 years 4 months ago
2008
We propose the cross-layer based opportunistic multi-channel medium access control (MAC) protocols, which integrate the spectrum sensing at physical (PHY) layer with the packet sch...
TWC
2010
12 years 11 months ago
2010
Abstract--In this paper we consider the capacity of the cognitive radio (CR) channel in a fading environment under a "low interference regime". This capacity depends crit...
ICC
2009
IEEE
13 years 11 months ago
2009
IEEE
—In this paper, quality of service (QoS) provisioning for voice service over cognitive radio networks is considered. As voice traffic is sensitive to delay, the presence of prim...