In the present work, we report a suitable approach for the preparation of BaTiO3 nanostructures via the hydrothermal condition using Dolapix ET85 as surfactant. The powders were investigated by X-ray diffraction (XRD), scanning election microscopy (SEM), energy-dispersive X-ray spectroscopy (EDAX), field emission transmission electron microscopy (FETEM), selected area electron diffra...

We analyze the opportunistic relaying based on hybrid automatic repeat request (HARQ) transmission over the block-fading channel with absence of channel state information (CSI) at the transmitter nodes. We assume that both the source and the relay are allowed to vary their transmission rate between the HARQ transmission rounds. We solve the problem of throughput maximization with respect to the...

Experience has shown that the power consumption of sensors and other wireless computational devices is often dominated by their communication patterns. We present a practical realization of lazy packet scheduling that attempts to minimize the total transmission energy in a broadcast network by dynamically adjusting each node’s transmission power and rate on a per-packet basis. Lazy packet sched...

In the present work, we report a suitable approach for the preparation of BaTiO3 nanostructures via the hydrothermal condition using Dolapix ET85 as surfactant. The powders were investigated by X-ray diffraction (XRD), scanning election microscopy (SEM), energy-dispersive X-ray spectroscopy (EDAX), field emission transmission electron microscopy (FETEM), selected area electron diffra...

T he present paper investigates the impact of the financial crisis on the interaction between the lending rates, deposit rates and money market rates through the process of retail bank interest rate pass-through in the countries of the Euro area. Among our findings is the heterogeneity of bank rate adjustments across sectors, loans and deposits. That was mainly marked during the pre-...

1. Introduction Nowadays, an interest in the signal transmission through optical fibers rapidly increases due to the transmission bandwidth. The increasing of optical high-speed data rates in transmission systems leads to limitations caused by linear and nonlinear effects. Each nonlinear effect limits different part of optical signals (e.g. amplitude, phase, frequency and polarization). It is n...

Modeling contagious diseases has taken on greater importance over the past several years as diseases such as SARS and avian influenza have raised concern about worldwide pandemics. Most models developed to consider projected outbreaks have been specific to a single disease. This paper describes a generic System Dynamics contagious disease model and its application to human-to-human transmission...

Emerging data-intensive Grid applications call for service-oriented layer 1 virtual private networks (VPNs) as their data plane. Layer 1 VPNs are created by dividing a physical network into web service enabled partitions. In this paper, we introduce the concept of fundamental lightpath, and propose that a fundamental lightpath be taken as the basic unit of optical network partitions. We then en...