207 search results - page 32 / 42 » Digitizing of UWB signals based on frequency channelization |
68
Voted
DATE
2006
IEEE
15 years 3 months ago
2006
IEEE
We present a dynamic bit-width adaptation scheme in DCT applications for efficient trade-off between image quality and computation energy. Based on sensitivity differences of 64 ...
69
Voted
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— We propose an improved channel estimator for reuse-1 orthogonal frequency division multiplexing (OFDM) cellular systems1 . The proposed channel estimation technique exploits de...
61
Voted
IAJIT
2010
14 years 8 months ago
2010
: Power amplifiers are essential components in communication systems and are inherently nonlinear. The nonlinearity creates spectral growth beyond the signal bandwidth, which inter...
128
Voted
SIGCOMM
2010
ACM
14 years 9 months ago
2010
ACM
Modern communication technologies are steadily advancing the physical layer (PHY) data rate in wireless LANs, from hundreds of Mbps in current 802.11n to over Gbps in the near fut...
100
click to vote
TCOM
2008
14 years 9 months ago
2008
Abstract--We investigate a new approach to uplink communications in wideband outdoor cellular systems that can take advantage of multiple antennas at the base station in a scalable...