6599 search results - page 1237 / 1320 » Towards a Theory of Information |
CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
—Reliable wireless communications often requires accurate knowledge of the underlying multipath channel. This typically involves probing of the channel with a known training wave...
CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
Abstract—We develop neurally plausible local competitive algorithms (LCAs) for reconstructing compressively sensed images. Reconstruction requires solving a sparse approximation ...
CISS
2007
IEEE
15 years 4 months ago
2007
IEEE
— In recent years, coherent space-frequency (SF) coded multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems have attracted great attentio...
INFOCOM
2007
IEEE
15 years 4 months ago
2007
IEEE
— We propose the quality-of-service (QoS) driven power allocation schemes for parallel fading channels when considering imperfect channel estimations. In particular, the parallel...
CIKM
2007
Springer
15 years 4 months ago
2007
Springer
As one of the most effective query expansion approaches, local feedback is able to automatically discover new query terms and improve retrieval accuracy for different retrieval ...