Efficient Hardware Architecture for Cyclostationary Detector

Cognitive radio is one of the modern techniques which is evolved for utilising the unused spread spectrum effectively in wireless communication. In cognitive radio system the foremost concept is sensing the holes (spaces) in the frequency spectrum allotted and it facilitates a way that how effectively and efficiently the bandwidth is used by finding the spectrum holes in a designated spectrum. There are various methods available for sensing the spectrum and one such a sensing method is cyclostationary detection. The method of cyclostationary feature mainly focuses on detecting whether the primary user is present or absent. The threshold of a signal is calculated by cyclic cross-periodogram matrix of the corresponding signal to determine the presence of signal or noise. The difficulty in evaluating the targeted threshold is evaded by training an artificial neural network by extracted cyclostationary feature vectors which are obtained by FFT accumulation method. This paper proposes a hardware architecture for cyclostationary detection

Efficient Hardware Architecture for Cyclostationary Detector

Cognitive radio is one of the modern techniques which is evolved for utilising the unused spread spectrum effectively in wireless communication. In cognitive radio system the foremost concept is sensing the holes (spaces) in the frequency spectrum allotted and it facilitates a way that how effectively and efficiently the bandwidth is used by finding the spectrum holes in a designated spectrum. There are various methods available for sensing the spectrum and one such a sensing method is cyclostationary detection.  The method of cyclostationary feature mainly focuses on detecting whether the primary user is present or absent. The threshold of a signal is calculated by cyclic cross-periodogram matrix of the corresponding signal to determine the presence of signal or noise. The difficulty in evaluating the targeted threshold is evaded by training an artificial neural network by extracted cyclostationary feature vectors which are obtained by FFT accumulation method. This paper proposes a hardware architecture for cyclostationary detection

Bianchi type-II cosmological model: some remarks

Within the framework of Bianchi type-II (BII) cosmological model the behavior of matter distribution has been considered. It is shown that the non-zero off-diagonal component of Einstein tensor implies some severe restriction on the choice of matter distribution. In particular for a locally rotationally symmetric Bianchi type-II (LRS BII) space-time it is proved that the matter distribution should be strictly isotropic if the corresponding matter field possesses only non-zero diagonal components of the energy-momentum tensor.Comment: 3 page

Third Hankel determinant for starlike and convex functions with respect to symmetric points

The objective of this paper is to obtain best possible upper bound to the $H_{3}(1)$  Hankel determinant for starlike and convex functions with respect to symmetric points, using Toeplitz determinants

Mixed Metal & Polynuclear Complexes in Ti (IV)-Cu(II)-Tartrate System

592-59

Coefficient inequality for transforms of certain subclass of analytic functions

The objective of this paper is to obtain the best possible sharp upper bound for the second Hankel functional associated with the kth root transform [f(zk)]1/k of normalized analytic function f(z) when it belongs to certain subclass of analytic functions, defined on the open unit disc in the complex plane using Toeplitz determinants

Synthesis and study of 5:6:7:8-hydroxy-flavonols

This article does not have an abstract

Synthetic experiments in the benzo-pyrone series. Part IV. Synthesis of karanjin

This article does not have an abstract

Endemic Fluorosis and Occurrence Gastrointestinal Disorders in Prakasam District A.P.

Fluoride has been known to cause significant effect on human health through drinking water. Excessive ingestion of fluorides not only causes dental and skeletal fluorosis but also leads to gastro intestinal disturbances. Prakasam district of Andhra Pradesh, India is having severe fluorosis. In the present study epidemiological survey was conducted in five villages of Prakasam district regarding the incidence of Gastrointestinal symptoms such as loss of appetite, indigestion, nausea, vomiting, bloody vomiting, Pain in the upper part of the abdomen and blotting in the upper abdomen after eating. The results showed that nausea was found in 23 % of population. Loss of appetite was found in 18 % of villagers. Indigestion, bloody vomit was very low (6%) Experimental results show that male albino rats with ingestion of 4mg/L of fluorides for 120 days caused damage to the intestinal mucosa and sub mucosa. The possible reasons for the gastrointestinal problems and mechanism of action of fluorides on gastrointestinal tract was discussed

EVALUATION OF PHARMACOECONOMIC DIRECT COST IN DIABETES PATIENTS

Objective:  Diabetes Mellitus (DM) is a major cause of disability, morbidity and mortality Worldwide. The objective of this study is to evaluate the Pharmacoeconomic direct health care cost in type II Diabetes with complications and Diabetes alone: A cost of illness study.Methods:  A Prospective observational study was conducted for one year at the Care diabetes Center; Warangal. The enrolled patients were followed and the information collected contains: total direct costs, which include direct medical costs and direct nonmedical cost. The data observed was analyzed for the average cost incurred in treating the diabetic patient.Results:  The total average costs per diabetic patient without complications was Rs. 8695.7±1341,  this includes the average direct medical cost Rs. 6366.50± 561.12, the average lab cost Rs. 1368.84±64.8, the average direct non Medical Cost was Rs. 960.36±14.04 compared to  those with DM complications,the total average cost was Rs. 12960.73±549.96 for macro vascular complications, Rs. 11039.11±265.36 for micro vascular complications. To treat Diabetes with comorbidities which include both micro and macro complications the total average cost was  Rs. 16658.13±1393.44, the average direct medical cost was Rs. 14071.77±2884.68, the average lab cost Rs. 1628.04±51, the average direct non Medical Cost was Rs.958.32±13.08. The costs were found to increase progressively with the increase in the number of complications. Costs also differed significantly across the types of complications.Conclusion: Our study concludes that the cost of Diabetes with complications resulted about 2 times higher than compared to Diabetes alone.Key words:  Cost analysis; diabetes; economics; health care; direct medical cost; non medical cos