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CORR
2010
Springer
183views Education» more  CORR 2010»
13 years 10 months ago
On the Energy Efficiency of LT Codes in Proactive Wireless Sensor Networks
This paper presents the first analysis on the energy efficiency of LT codes with Non-Coherent M-ary Frequency Shift Keying (NCMFSK), known as green modulation [1], in a proactive W...
Jamshid Abouei, J. David Brown, Konstantinos N. Pl...
TIT
2008
122views more  TIT 2008»
13 years 10 months ago
An Efficient Pseudocodeword Search Algorithm for Linear Programming Decoding of LDPC Codes
Abstract--In linear programming (LP) decoding of a low-density parity-check (LDPC) code one minimizes a linear functional, with coefficients related to log-likelihood ratios, over ...
Michael Chertkov, Mikhail G. Stepanov
CORR
2008
Springer
131views Education» more  CORR 2008»
13 years 9 months ago
Towards a More Accurate Carrier Sensing Model for CSMA Wireless Networks
Abstract--In the majority of studies on CSMA wireless networks, a contention graph is used to model the carrier sensing relationships among links. This is a 0-1 model in which two ...
Caihong Kai, Soung Chang Liew
ICPR
2004
IEEE
14 years 11 months ago
Grey Scale Image Skeletonisation from Noise-Damped Vector Potential
This paper describes a method for curvature dependant Skeletonisation in grey-scale images. We commence from a magnetostatic analogy, where the tangential edge flow (the cross pro...
Edwin R. Hancock, Huaijun Qiu
PODS
2001
ACM
120views Database» more  PODS 2001»
14 years 10 months ago
Database-friendly random projections
A classic result of Johnson and Lindenstrauss asserts that any set of n points in d-dimensional Euclidean space can be embedded into k-dimensional Euclidean space -- where k is lo...
Dimitris Achlioptas