1066 search results - page 40 / 214 » A Wearable Communication Modulator |
ISMVL
2002
IEEE
14 years 26 days ago
2002
IEEE
An impact of introducing multi-level signals to a bandpass delta-sigma modulator (DSM), which is of particular interest for wireless communications applications, has been investig...
ICASSP
2010
IEEE
13 years 8 months ago
2010
IEEE
We investigate the impact of using non-ideal lowpass filters in the modulated wideband (MWC) converter, which is a recent subNyquist sampling system for sparse wideband analog si...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
— We present a crosslayer framework for optimizing the performance of wireless networks as measured by applications or upper layer protocols. The approach combines adaptive modul...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
— Recently, a maximum likelihood (ML) detection rule for differential unitary space time modulation (DUSTM) under the existence of unknown carrier frequency offset (CFO) has been...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
— The optimum resource allocation is an important method to improve the error performance and energy efficiency of wireless relay networks. In this paper, we consider the resour...