40 search results - page 2 / 8 » Power allocation optimization in OFDM-based cognitive radios... |
ICC
2009
IEEE
13 years 3 months ago
2009
IEEE
In this paper, we consider a secondary link sharing the spectrum with a primary link in a fading cognitive radio (CR) network. Instead of applying the conventional interference pow...
TWC
2008
13 years 5 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...
ICASSP
2008
IEEE
13 years 12 months ago
2008
IEEE
The present paper deals with dynamic resource management based on quantized channel state information (CSI) for multi-carrier cognitive radio networks comprising primary and secon...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
Efficient design of cognitive radio networks calls for secondary users implementing adaptive resource allocation, which requires knowledge of the channel state information in ord...
TSP
2011
13 years 11 days ago
2011
—In this paper, we investigate a selective relay spectrum sensing and best relay data transmission (SRSS-BRDT) scheme for multiple-relay cognitive radio networks. Specifically, ...