105 search results - page 19 / 21 » On Channel Capacity and Error Compensation in Molecular Comm... |
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
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...
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
Digital watermarking is equivalent to bandlimited, powerlimited digital communication. The power limit is due to the requirement of imperceptible watermarks, and has long been rec...
EJASP
2010
13 years 2 months ago
2010
The number of active users, their timing offsets, and their (possibly dispersive) channels with the access point are decisive parameters for wireless code division multiple access...
IEICET
2007
13 years 7 months ago
2007
—The frequency hopping (FH) based ultra-wideband (UWB) communication system divides its available frequency spectrum into several sub-bands, which leads to inherent disparities b...