169 search results - page 20 / 34 » Opportunistic spectrum access for mobile cognitive radios |
JSAC
2011
12 years 10 months ago
2011
—Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) to access the licens...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper we present the design process of an orthogonal frequency division multiplexing (OFDM) implementation for the Kansas University Agile Radio (KUAR). The KUAR is a porta...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— Motorola Labs implemented an experimental cognitive radio system for use at the Dynamic Spectrum Access Networks (DySPAN) Symposium 2007. To exercise a practical communication ...
MONET
2006
13 years 7 months ago
2006
Enabled by regulatory initiatives and advanced radio technology, more flexible opportunistic spectrum access has great potential to alleviate the spectrum scarcity. In this paper,...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
The major requirement for Cognitive Radio (CR) based opportunistic spectrum re-usage is reliable protection of the primary communication. This calls for a reliable detection of the...