29 search results - page 2 / 6 » Sensing and Probing Cardinalities for Active Cognitive Radio... |
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
In a cognitive radio network, the full-spectrum is usually divided into multiple channels. However, due to the hardware and energy constraints, a cognitive user (also called second...
TSP
2010
13 years 9 days ago
2010
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...
JSAC
2011
13 years 3 days ago
2011
— In cognitive radio networks (CRNs), effective and efficient channel exploitation is imperative for unlicensed secondary users to seize available network resources and improve ...
CISS
2010
IEEE
12 years 9 months ago
2010
IEEE
—This paper addresses optimal spectrum sensing in cognitive radio networks considering its system level cost that accounts for the local processing cost of sensing (sample collec...
INFOCOM
2012
IEEE
11 years 8 months ago
2012
IEEE
—In this paper we study the resource allocation in OFDM-based cognitive radio (CR) networks, under the consideration of many practical limitations such as imperfect spectrum sens...