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IMA
2007
Springer
97views Cryptology» more  IMA 2007»
15 years 6 months ago
Non-linear Cryptanalysis Revisited: Heuristic Search for Approximations to S-Boxes
Non-linear cryptanalysis is a natural extension to Matsui’s linear cryptanalitic techniques in which linear approximations are replaced by nonlinear expressions. Non-linear appro...
Juan M. Estévez-Tapiador, John A. Clark, Ju...
AMAI
2004
Springer
15 years 5 months ago
Approximate Probabilistic Constraints and Risk-Sensitive Optimization Criteria in Markov Decision Processes
The majority of the work in the area of Markov decision processes has focused on expected values of rewards in the objective function and expected costs in the constraints. Althou...
Dmitri A. Dolgov, Edmund H. Durfee
ICMCS
2005
IEEE
123views Multimedia» more  ICMCS 2005»
15 years 5 months ago
An iterative power allocation algorithm in OFDM system based on power relaxation
Abstract— We present an efficient algorithm for power allocation and bit loading in multi-user OFDM system. We starts with the close-form optimum power solution based on ideal c...
Ju Wang, Jonathan C. L. Liu
ARITH
2009
IEEE
15 years 6 months ago
Fast and Accurate Bessel Function Computation
The Bessel functions are considered relatively difficult to compute. Although they have a simple power series expansion that is everywhere convergent, they exhibit approximately ...
John Harrison
ISCAS
2008
IEEE
88views Hardware» more  ISCAS 2008»
15 years 6 months ago
An improved method of power control with CMOS class-E power amplifiers
—In this paper, an improved method of power control is introduced to widen the range of output power with high efficiency. Two CMOS class-E power amplifiers (PA) with different o...
Tongqiang Gao, Chun Zhang, Baoyong Chi, Zhihua Wan...