Carrier frequency offset (CFO) estimation in uplink of OFDM is a challenging task because each user will experiences different CFO. In this we are estimating the CFO by using different types of estimators. Here we are considering Fusco’s estimator & proposed estimator, in Fusco’s estimator we transmit the signal only in serial form and used both real & imaginary so to reduce the complexity in e...

In this study a new two-parameter estimator which includes the ordinary least squares (OLS), the principal components regression (PCR) and the Liu-type estimator is proposed. Conditions for the superiority of this new estimator over the PCR, r-k class estimator and Liu-type estimator are derived. Furthermore the performance of this estimator is compared with the other estimators in different co...

Water pH and active ingredient concentration are two of the most important variables to consider in the manufacturing process of fungicides. If these variables do not meet the required standards, the quality of the product may be compromised and lead to poor fungicide performance when water is used as the application carrier, which is in most cases. Given the correlation between the variable...

In some statistical process control applications, the combination of both variable and attribute quality characteristics which are correlated represents the quality of the product or the process. In such processes, identification the time of manifesting the out-of-control states can help the quality engineers to eliminate the assignable causes through proper corrective actions. In this paper, f...

Michael D. Sokoloff University of Cincinnati Daniel M. Kaplan Illinois Institute of Technology ABSTRACT We review the physics goals of an ultrahigh-statistics charm experiment and place them in the broader context of the community’s efforts to study the Standard Model and to search for physics beyond the Standard Model, and we point out some of the experimental difficulties which must be overco...

One way to approach the links between socioeconomic status and health has been proposed by Lynch and Kaplan (1997), who call for an “epidemiology of everyday life.” Systematic social differences in health may be a response to systematic differences in the quality and stressfulness of daily life. If so, housing is one way to understand socio-economic geographies of everyday life and their influe...

We find conditions under which direct and inverse limits of arbitrary indexed systems of topological Abelian groups are related via the duality defined by the continuous convergence structure. This generalizes known results by Kaplan about duality of direct and inverse sequences of locally compact Abelian groups.

Quality Management is an essential part of successful organisations. But the effect of it is mostly not directly visible. The effects are more indirect, and have a time lag till results appear. In today’s challenging times, all activities of an organisation have to proof their ability to add value. While Value Based Management is more focussed on financial value, other concepts and models like ...

Orthogonal Frequency Division Multiplexing (OFDM) is being used by the modern communication systems due to the increase in demand for high throughput wireless communication systems. OFDM has highly efficient spectrum usage and robustness to multipath fading channel impairments. The focus of the paper is to improve Discrete Fourier Transform (DFT)based channel estimator designed over a slow fadi...

A generalized modified ratio estimator is proposed for estimating the population mean using the known population parameters. It is shown that the simple random sampling without replacement sample mean, the usual ratio estimator, the linear regression estimator and all the existing modified ratio estimators are the particular cases of the proposed estimator. The bias and the mean squared error o...