405 search results - page 41 / 81 » Securing cognitive radio networks |
MOBIHOC
2012
ACM
11 years 11 months ago
2012
ACM
Dynamic spectrum access is a maturing technology that allows next generation wireless devices to make highly efficient use of wireless spectrum. Spectrum can be allocated on an o...
PIMRC
2010
IEEE
13 years 6 months ago
2010
IEEE
We consider a cognitive two-way relay network which consists of two transceivers (primary users) and multiple cognitive terminals. The two transceivers transmit their data toward t...
SIGCOMM
2010
ACM
13 years 9 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...
TSP
2012
12 years 4 months ago
2012
—In a cognitive radio network, opportunistic spectrum access (OSA) to the underutilized spectrum involves not only sensing the spectrum occupancy but also probing the channel qua...
JSAC
2011
13 years 3 months ago
2011
This work on cognitive radio access ventures beyond the more traditional “listen-before-talk” paradigm that underlies many cognitive radio access proposals. We exploit the bi-...