40 search results - page 7 / 8 » Power allocation optimization in OFDM-based cognitive radios... |
WCNC
2008
IEEE
14 years 18 days ago
2008
IEEE
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
IWCMC
2010
ACM
13 years 11 months ago
2010
ACM
The first step required by the process of cognition is the intelligent observation of the environment that surrounds the actors of such a process. We present the CalRAdio-Based a...
INFOCOM
2000
IEEE
13 years 10 months ago
2000
IEEE
We study the radio resource allocation problem of distributed joint transmission power control and spreading gain allocation in a DS-CDMA mobile data network. The network consists...
PIMRC
2010
IEEE
13 years 4 months ago
2010
IEEE
We consider a cognitive two-way relay network which consists of two transceivers (primary users) and multiple cognitive terminals. The two transceivers transmit their data toward t...
WICON
2008
13 years 7 months ago
2008
Cognitive radio networks that allow dynamic spectrum access are considered spectrally more efficient than networks using fixed spectral allocation. These networks are characterize...