The purpose of this article is to present and evaluate the performance of a new procedure for industrial process diagnosis. This method is based on the use of a bayesian network as a classifier. But, as the classification performances are not very efficient in the space described by all variables of the process, an identification of important variables is made. This feature selection is made by...

This paper is concerned with the performance evaluation for the diversity decoding scheme in which space diversity technique and iterative decoding for non systematic convolutional error-correcting code are effectively combined. The concept of the diversity decoding is applied to an OFDM system (e.g. the digital terrestrial TV broadcasting system). This paper shows the performance evaluation fo...

In this paper two different channel estimation techniques for a mobile beyond 3G MC-CDMA systems are evaluated. These techniques are the robust MMSE estimation with pre-estimator of autocorrelation channel matrix and the delay profile based estimation. Simulation results, carried out over a realistic propagation channel, compare the proposed channel estimation algorithms, in terms of the mean s...

Transport of Audio Visual Data is becoming an important application of the IP-based best-effort service in the Internet. We present an error control protocol for provision of a real-time reliable multicast transport service. The protocol RTMC (Real-Time MultiCast) uses Forward Error Correction (FEC) for protecting first transmissions (i.e., proactive error control) and retransmissions. Results ...

Purpose Using a portfolio comprising liquid global stocks and bonds, this study aims to limit absolute risk that of standardised benchmark determine whether has significant impact on expected return in both high volatility period (HV) low (LV). Design/methodology/approach traditional 40% equity 60% constant tracking error (TE) frontier was constructed implemented. Portfolio performance for diff...

A time-domain based channel estimation for OFDM system with pilot-data multiplexed scheme is investigated. As an approximation to linear minimum mean square estimator (LMMSE), a time-domain based channel estimation is proposed where intra-symbol time-averaging and most significant channel taps selection are applied. The relation and differences of the proposed method to DFT-based LMMSE methods ...