A new improved group space-time block code (G-STBC) based on constellation rotation for four transmit antennas was proposed. In comparison with the traditional
The goal of this paper is to take a further step towards an ontological approach for representing requirements information. The motivation for ontologies was di
A hierarchical mobile robot simultaneous localization and mapping (SLAM) method that allows us to obtain accurate maps was presented. The local map level is com
In textile industry, carding process has decisive influence on produced yarn quality. From the system theoretic point of view, it is marked by stochastic distur
A comprehensive study was presented for WLAN 802.11b using error-prone channel. It was theoretically and numerically evaluated the performance of three differen