29 search results - page 1 / 6 » Power Adaptive Cognitive Pilot Channel for Spectrum Co-exist... |
AINA
2011
IEEE
12 years 8 months ago
2011
IEEE
— Next generation wireless networks will be heterogeneous, where several primary users (PU e.g. licensed users) and secondary users (SU e.g. unlicensed users) can operate in the ...
JSAC
2011
12 years 11 months ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
ICC
2007
IEEE
13 years 8 months ago
2007
IEEE
In this paper, the problem about power control in multiuser cognitive networks is addressed. The scenario we study is a heterogeneous network, where multiple cognitive (without the...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
Abstract— Wireless topology control is the process of structuring the connectivity between network nodes to achieve some network-wide goal. This paper presents a cognitive networ...
TON
2010
12 years 11 months ago
2010
The cognitive radio (CR) paradigm calls for open spectrum access according to a predetermined etiquette. Under this paradigm, CR nodes access the spectrum opportunistically by cont...