18 search results - page 1 / 4 » Adaptive Power Loading for OFDM-Based Cognitive Radio System... |
ICC
2007
IEEE
13 years 8 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...
WOWMOM
2009
ACM
13 years 11 months ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
TWC
2008
13 years 4 months ago
2008
In this paper, we investigate an optimal power loading algorithm for an OFDM-based cognitive radio (CR) system. The downlink transmission capacity of the CR user is thereby maximiz...
ANCS
2010
ACM
13 years 1 months ago
2010
ACM
As we move forward towards the next generation of wireless protocols, the push for a better radio physical layer is ever increasing. Conventional radio architectures are limited t...
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 ...