170 search results - page 30 / 34 » Cognitive Transmissions with Multiple Relays in Cognitive Ra... |
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—Dynamic spectrum access has been proposed as a means to share scarce radio resources, and requires devices to follow protocols that use resources in a proper, disciplined manner...
SECON
2008
IEEE
15 years 3 months ago
2008
IEEE
— Previous results show that a node’s throughput scales poorly as the network size increases when every node has traffic. However, in many cases, only a fraction of nodes in l...
MOBIHOC
2012
ACM
12 years 12 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...
MOBICOM
2009
ACM
15 years 2 months ago
2009
ACM
We consider the problem of cross-band interference when devices from the same or different networks share radio spectrum. Cross-band interference occurs when unsynchronized trans...
INFOCOM
2011
IEEE
14 years 1 months ago
2011
IEEE
—Spectrum sharing systems such as cognitive radio networks have drawn much attention recently due to their potential to resolve the conflict between increasing demand for spectr...