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Copyright (c) 2014 by the Institute of Electrical and Electronics Engineers. All rights reserved. Copyright and Reprint Permission: Abstracting is permitted with credit to the source. Libraries are permitted to photocopy beyond the limit of U.S. copyright law for private use of patrons those articles in this volume that carry a code at the bottom of the first page, provided the percopy fee indicated...
A very simple low profile rectangular dielectric resonator antenna (DRA) is proposed in this paper. A partially printed metallic ground with two stepped section removed has been used. A stepped microstrip feed line is used to excite the DRA. The structure gives a very high bandwidth from 3.71GHz to 13.01 GHz with a band notch at 5.725 GHz. A T shape slot is used in the ground plane to create the notch...
The leading cause of transformer failure is `insulation failure', which includes oil contamination. Cause of transformer failure due to inadequate operation and maintenance has to bear the blame for not discovering incipient troubles when there was ample time to correct it. Regular sampling and testing of insulation oil taken from transformer is a valuable technique in a preventive maintenance program...
In this paper we propose an intelligent wheelchair which can assist physically handicapped, visually impaired as well as elderly people. Elderly and physically challenged people often find themselves unable to do their daily routine work without other's help. In today's fast world where people don't have enough time for others, elderly and physically challenged people need to be independent. Our wheelchair...
The conventional microstrip patch antenna (MSA) have low gain and low directivity. This paper presents coaxial feed rectangular microstrip patch antenna along with left-handed metamaterial (LHM) cover. The Proposed metamaterial cover increases the gain and directivity of the antenna in comparison to conventional microstrip patch antenna alone. The antenna has been designed for 8-10 GHz, hence it can...
The Tethered balloon is new technology for telecommunication that can overcome the limitation of terrestrial system and satellite system due to demand for high capacity in telecommunication. Tethered balloon provides large coverage area with line of sight, which needs large number of base stations for coverage with terrestrial system; also reduce the delay time of the transmission compared to satellite...
This paper presents an optimum design technique of broadband two elements Yagi array antenna. The optimization parameter for the proposed antenna is the impedance bandwidth using appropriate dimensions of ground plane and in yagi array dipole is replace by patch, all elements design in form patch and arranged horizontally, in this paper we observed effect with and without ground plane on impedance...
Along with color loss, another severe problem of underwater optical imaging is Marine Snow effect which occurs because of back scattering from suspended organic detritus, solid particles or bubbles. Their appearance like tiny sparkling dots often reduces the scene perception and sometimes leads to spurious features on segmentation. This paper is concerned with removal of the marine snow effect from...
Wireless sensor network (WSN) are mobile adhoc networks in which sensors have limited resources and communication capabilities. Creating pair-wise secure links between resource constrained (battery, bandwidth, large geographical area) sensor nodes is a major challenge. In this paper, Blom key management scheme is exhaustively studied on different parameter and finally a comparatively analysis is done.
The PV and wind power generation have a disadvantage of unstable power output, resulting negative impact on utility and micro grid operation. The battery energy storage system is the effective means of smoothing wind or solar power generation fluctuations. For effective regulation of power output levels and state of charge (SOC) of battery require a suitable control strategy. This paper presents the...
Lately researches are going on to combine both cryptography and biometric systems for more reliability and security of a system. It can be accomplished using fuzzy vault technique. Fuzzy vault stores the secret key. Unlocking phase of fuzzy vault is based on construction of polynomial over a finite field system GF(2n). As the size of a key increases, the time taken for construction of polynomial increases...
This Paper represents a novel radio resource allocation algorithm which is advanced form of proportional fair (PFclassical) algorithm. Among all existing Radio resource algorithm proportional fair algorithm gives optimum performance compared to two classical algorithms max-C/I and RR. But advanced PF algorithm gives better performance in terms of providing data rate to low SINR users that mean it...
The rapid evolution of new wireless technologies and deployment of wireless devices in recent years is resulting in spectrum overcrowding [1]. It is observed that large amount of spectrum is under-utilized causing spectral crisis [1]. Cognitive Radio (CR) has emerged as a cutting edge technology to solve the spectrum management problem and simultaneously meet the QoS requirements of the wireless applications...
De-noising plays a vital role in the field of the image preprocessing. It is often a necessary to be taken, before the image data is analyzed. It attempts to remove whatever noise is present and retains the significant information, regardless of the frequency contents of the signal. It is entirely different content and retains low frequency content. De-noising has to be performed to recover the useful...
Fault detection has been in the top priority in power system at it's the initial state of isolating system under fault and its process of correcting. The wavelets have been used for this purpose much earlier. This paper analyses various unsymmetrical faults in power system using Morlet wavelet and various impacts of faults current and voltage. Further it analysis various ways of preventing faults...
In our nation massive section of electric consumption is used for household purposes. Recent surveys reveal the fact that from generation to reception we lose almost 50% of the generated electricity which means that for generating one unit we have to produce 2 units of energy. For generating 1MW of electrical power we have to spend approximately 8 crores of rupees.
Autonomous robots must be able to localize themselves in an environment. We are interested in the real time pose estimation of a single surveillance robot based on the Odometry algorithm and Dead Reckoning using Inertial Measurement Unit (IMU) sensors. This approach is subjected to accumulated errors due to slippage and drift respectively. Algorithm proposed in this paper uses Trilateration with Extended...
Brainwaves has an important security and communication implication. Nevertheless, the reliability of the methods for discrimination between genuine and imposter is still in infancy. Efforts to enhance the reliability have exact identification using EEG. As EEG is non-stationary signal, the use of the joint time-frequency feature may be yield more reliable results. In this paper we have used cerebral...
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