128 search results - page 3 / 26 » Carrier Sensing Based Multiple Access Protocols for Cognitiv... |
NETWORK
2007
13 years 9 months ago
2007
In this article, we present a simple yet accurate generic analytical model for a family of slotted carrier sense multiple access with collision avoidance (CSMA/CA) based medium ac...
GLOBECOM
2008
IEEE
14 years 4 months ago
2008
IEEE
To achieve Terabit and Petabit switching, both time (high transmission speed) and space (multi-stage interconnection network) technologies are required. We propose an Ethernet for...
GLOBECOM
2008
IEEE
14 years 4 months ago
2008
IEEE
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...
IWCMC
2009
ACM
14 years 4 months ago
2009
ACM
Abstract—Carrier Sense Multiple Access with Enhanced Collision Avoidance (CSMA/ECA) is a recently proposed modification to the well-known CSMA/CA protocol. By using a determinis...
GLOBECOM
2009
IEEE
14 years 4 months ago
2009
IEEE
—We address the problem of collaborative sensing in cognitive radios. In a cognitive radio network, all the nodes may sense the spectrum simultaneously. They should then exchange...