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PIMRC
2010
IEEE
14 years 9 months ago
Asymptotic analysis of distributed multi-cell beamforming
We consider the problem of multi-cell downlink beamforming with N cells and K terminals per cell. Cooperation among base stations (BSs) has been found to increase the system throug...
Subhash Lakshminaryana, Jakob Hoydis, Mérou...
JDCTA
2010
175views more  JDCTA 2010»
14 years 6 months ago
Evolution Cipher against Differential Power Attack
: Differntial Power Attack (DPA) is one kind of Side Channel Attacks (SCAs). There are two phases in DPA attacks: sample collection and statistical analysis, which can be utilized ...
Shubo Liu, Ming Tang, Si Gao, Huanguo Zhang
ICIP
2001
IEEE
16 years 1 months ago
A flexible polygon representation of multiple overlapping regions of interest for wavelet-based image coding
Image transmission over low-bandwidth channels can be speeded up if the image coding mechanism supports regions of interest (RoIs). By such a scheme, image parts not belonging to ...
Heidrun Schumann, René Rosenbaum, Uwe Rausc...
ICPR
2006
IEEE
16 years 27 days ago
Camera Text Recognition based on Perspective Invariants
As camera resolution increases, high-speed non-contact text capture through a digital camera is opening up a new channel for document capture and understanding. Unfortunately, per...
Chew Lim Tan, Shijian Lu
VTC
2008
IEEE
110views Communications» more  VTC 2008»
15 years 6 months ago
FFT Sign Search with Secondary Code Constraints for GNSS Signal Acquisition
— New GNSS signals are usually characterized by the presence of secondary codes and high data rates that can make the sign of the transmitted signal change each primary code peri...
Daniele Borio