21 search results - page 2 / 5 » Analysis of Search Schemes in Cognitive Radio |
TWC
2010
12 years 11 months ago
2010
Dynamic spectrum leasing (DSL) is one of the schemes proposed for dynamic spectrum sharing (DSS) in cognitive radio networks. In DSL, spectrum owners, denoted as primary users, dyn...
GLOBECOM
2009
IEEE
13 years 8 months ago
2009
IEEE
In this paper, cognitive transmission under quality of service (QoS) constraints is studied. In the cognitive radio channel model, it is assumed that the secondary transmitter sen...
TWC
2010
12 years 11 months ago
2010
Abstract--This letter analyzes the impact, from a networklayer perspective, of having a single cognitive radio transmitterreceiver pair share the spectrum with multiple primary use...
GLOBECOM
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract— Quickest detection is applied in the spectrum sensing of cognitive radio systems when multiple secondary users collaborate with limited communication time slots. When t...
GLOBECOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—Cognitive radio (CR) systems need to be able to adjust the transceiver characteristics in response to stimuli received from the radio environment. Therefore, monitoring the wire...