70 search results - page 9 / 14 » Energy-aware adaptive OFDM systems |
ISLPED
2003
ACM
14 years 22 days ago
2003
ACM
Energy constrained systems such as sensor networks can increase their usable lifetimes by extracting energy from their environment. However, environmental energy will typically no...
JCM
2007
13 years 7 months ago
2007
– Orthogonal Frequency Division Multiplexing is a promising technology for high data rate transmission in wideband wireless systems for achieving high downlink capabilities in th...
IWCMC
2006
ACM
14 years 1 months ago
2006
ACM
Orthogonal frequency division multiplexing (OFDM) is very sensitive to frequency offsets which result in considerable interference. Performance of the system will be exacerbated ...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
—This paper addresses the use of adaptive modulation in progressive image transmission with multiple description coding in conjunction with an Orthogonal Frequency Division Multi...
ICC
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper, we study power allocation (PA) in a single-relay OFDM system with limited feedback. We propose a PA scheme that uses a codebook of quantized PA vectors designed offl...