207 search results - page 6 / 42 » Digitizing of UWB signals based on frequency channelization |
MOBICOM
2009
ACM
14 years 3 months ago
2009
ACM
There has been burgeoning interest in wireless technologies that can use wider frequency spectrum. Technology advances, such as 802.11n and ultra-wideband (UWB), are pushing towar...
CSIE
2009
IEEE
14 years 3 months ago
2009
IEEE
In this paper, a digital image watermarking technique based on Discrete Wavelet Transform (DWT) will be proposed. This scheme is designed utilizing principles deriving from the hu...
ISCAS
2006
IEEE
14 years 2 months ago
2006
IEEE
that the equivalent channel is approximately an impulse. In [7], Martin et al. propose a globally convergent blind adap-In this paper, we propose a frequency domain based de- tive ...
JCST
2008
13 years 8 months ago
2008
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
TSP
2010
13 years 3 months ago
2010
In multiple-input multiple-output (MIMO) systems, the use of many radio frequency (RF) and analog-to-digital converter (ADC) chains at the receiver is costly. Analog beamformers op...