63 search results - page 2 / 13 » Optimal transmission strategies for channel capture mitigati... |
INFOCOM
2010
IEEE
13 years 3 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
GLOBECOM
2010
IEEE
13 years 2 months ago
2010
IEEE
Cognitive radios, which enable the coexistence on the same bandwidth of licensed primary and unlicensed secondary users, have the potential for dramatically increasing the efficien...
TSP
2011
12 years 11 months ago
2011
—In this paper, we investigate a selective relay spectrum sensing and best relay data transmission (SRSS-BRDT) scheme for multiple-relay cognitive radio networks. Specifically, ...
TSP
2012
12 years 12 days 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...
CN
2008
13 years 5 months ago
2008
The primary feature of cognitive radios for wireless communication systems is the capability to optimize the relevant communication parameters given a dynamic wireless channel env...