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STACS
2007
Springer
15 years 4 months ago
VPSPACE and a Transfer Theorem over the Reals
Abstract. We introduce a new class VPSPACE of families of polynomials. Roughly speaking, a family of polynomials is in VPSPACE if its coefficients can be computed in polynomial spa...
Pascal Koiran, Sylvain Perifel
VTC
2006
IEEE
206views Communications» more  VTC 2006»
15 years 4 months ago
BER Performance Improvement with Joint Angle-Delay-Polarization Estimation of Multipath Channel Parameters
Abstract— In mobile telecommunications, the quality of demodulation is strongly impacted by channel estimation. The Joint Angle, Delay and Polarization Estimation (JADPE) problem...
Cristian Tohanean, José Picheral
VTC
2006
IEEE
116views Communications» more  VTC 2006»
15 years 4 months ago
Distributed Estimation in a Power Constrained Sensor Network
— This paper derives the optimum non-uniform quantization scheme for a distributed estimation problem based on noisy observations in a wireless sensor network. The optimal quanti...
Visvakumar Aravinthan, Sudharman K. Jayaweera, Kos...
COMPGEOM
2006
ACM
15 years 4 months ago
Random triangulations of planar point sets
Let S be a finite set of n + 3 points in general position in the plane, with 3 extreme points and n interior points. We consider triangulations drawn uniformly at random from the...
Micha Sharir, Emo Welzl
AUIC
2005
IEEE
15 years 3 months ago
Interaction With Partially Transparent Hands And Objects
Visual concealment of important objects and information by hands or tools can make many tasks more difficult. To alleviate this problem, hands and tools can be made partially tran...
Volkert Buchmann, Trond Nilsen, Mark Billinghurst