Sciweavers

117 search results - page 8 / 24
» Quality-of-Service in Cognitive Radio Networks with Collabor...
Sort
View
ICASSP
2011
IEEE
13 years 2 months ago
Cooperative sensing with sequential ordered transmissions to secondary fusion center
Successful spectrum sharing in a cognitive radio network depends on the correct and quick detection of primary activity. Cooperative spectrum sensing is therefore suggested to enh...
Laila Hesham, Ahmed Sultan, Mohammed Nafie, Fadel ...
INFOCOM
2011
IEEE
13 years 2 months ago
On the throughput scaling of Cognitive Radio ad hoc networks
Abstract—Due to the emergence of Cognitive Radio, a special type of heterogeneous networks attracts increasing interest recently, in which a secondary network composed of cogniti...
Chengzhi Li, Huaiyu Dai
GLOBECOM
2010
IEEE
13 years 8 months ago
A Graphical Framework for Spectrum Modeling and Decision Making in Cognitive Radio Networks
There are many key problems of decision making related to spectrum occupancies in cognitive radio networks. It is known that there exist correlations of spectrum occupancies in tim...
Husheng Li, Robert C. Qiu
MOBICOM
2009
ACM
14 years 5 months ago
Impact of mobility on spectrum sensing in cognitive radio networks
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
Alexander W. Min, Kang G. Shin
ICASSP
2011
IEEE
13 years 2 months ago
Distributed multiaccess in hierarchical cognitive radio networks
The problem of distributed multiuser medium access of a hierarchical cognitive radio network with multiple primary and secondary users is considered. Each primary user has a licen...
Shiyao Chen, Lang Tong