170 search results - page 25 / 34 » Cognitive Transmissions with Multiple Relays in Cognitive Ra... |
ICC
2007
IEEE
15 years 1 months ago
2007
IEEE
Abstract--Cognitive radio (CR) technology is an innovative radio design philosophy which aims to increase spectrum utilization by exploiting unused spectrum in dynamically changing...
ISCC
2009
IEEE
15 years 4 months ago
2009
IEEE
—In this paper we investigate a cooperative mobile network with respect to error performance. Power allocation is applied between source and relay. The relay cooperates after hav...
80
Voted
JSAC
2011
14 years 4 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-...
ICC
2007
IEEE
15 years 3 months ago
2007
IEEE
—The IEEE 802.22 standard for wireless regional area network is the first standard for cognitive radio that tries to harness the idle or under-utilized spectrum allocated for TV...
89
Voted
PIMRC
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract--In two-tier networks consisting of a macrocell overlaid with femtocells in co-channel deployment and closed-access policy, spatial reuse is achieved at the price of sever...