32 search results - page 2 / 7 » Allocating dynamic time-spectrum blocks in cognitive radio n... |
MASS
2010
13 years 2 months ago
2010
Cognitive radio, which enables dynamic access of under-utilized licensed spectrums, is a promising technology for more efficient spectrum utilization. Since cognitive radio enables...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
This paper discusses the issue of dynamic resource allocation (DRA) in the context of cognitive radio (CR) networks. We present a general framework adopting generalized transmitte...
TWC
2008
13 years 4 months ago
2008
Abstract--We investigate the dynamic spectrum sharing problem among primary and secondary users in a cognitive radio network. We consider the scenario where primary users exhibit o...
MOBIHOC
2009
ACM
14 years 5 months ago
2009
ACM
Cognitive radio networks are emerging as a promising technology for the efficient use of radio spectrum. In these networks, there are two categories of networks on different chann...
SECON
2010
IEEE
13 years 2 months ago
2010
IEEE
Throughput maximization is a key challenge in cognitive radio ad hoc networks, where the availability of local spectrum resources may change from time to time and hopby-hop. To ach...