112 search results - page 18 / 23 » Interference in a Cognitive Network with Beacon |
SIGCOMM
2010
ACM
13 years 10 months ago
2010
ACM
We describe an opportunistic channel access scheme for cognitive radio-enabled secondary nodes (SNs). The proposed scheme uses the residual channel idle time distribution to estim...
CORR
2010
Springer
13 years 10 months ago
2010
Springer
Grasping the fruits of "emerging technologies" is an objective of many government priority programs in a knowledge-based and globalizing economy. We use the publication ...
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 ...
JSAC
2011
13 years 4 months ago
2011
This paper investigates the issue of dynamic resource allocation (DRA) in the context of multiuser cognitive radio networks. We present a general framework adopting generalized si...
JSAC
2008
13 years 9 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...