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Performance Analysis of Data Transmission in Free Space Optical (FSO) Communication

— Free space optical (FSO) communication has become a viable technology for broadband wireless application which offers the potential of high bandwidth capacity over unlicensed optical wavelength. Atmospheric turbulence has most significant impact on the quality of laser beam propagating through the atmosphere over long distance. For optical wireless communication system, most frequently used system is dense wave division multiplexing (DWDM). We are applying 150m channel spacing with 40 GHz bandwidth and 1550nm laser source. FSO channel work like Afocal scheme, it can reduce the size of laser beam, and expected longer free-space transmission in FSO communication, receiver side equal gain combining technique in presence of strong atmospheric turbulence. The signal to noise ratio (SNR), good bit-error rate (BER) performance and clear eye diagram are obtained and will be evaluated numerically for different system parameters. Such as DWDM FSO communication in provided the long transmission distance and high transmission rate, it useful for high speed light based Wi-Fi and Li-Fi applications

Published by: Vipin Mishra, S. Sugumaran

Author: Vipin Mishra

Paper ID: V3I3-1216

Paper Status: published

Published: May 3, 2017

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Comparison of Crystographic Techniques

The study of hiding information is referred to as cryptography. When communicating over the untrusted med. Such as the internet it becomes very important to protect the sensitive information and hence cryptography plays a crucial role there. It is the study of hiding of info. Over an untrusted medium like the internet where it becomes compulsory to protect the information from the third party or the eavesdropper. On the other hand, steganography provides a cover or a protection layer to the sensitive information being transferred. Steganography deals with the composting of hidden messages so that only the sender is aware of the message being sent and if the third party tries to interferes he/she gets nothing but the cover medium being developed with the help of steganography. There have been many logical combinations of steganographic techniques which result in efficient protection for any content to be transferred. In this paper, we try to try out some of the famous combination of steganographic techniques and result out the best of them in terms of speed efficiency, security, and reliability for the user.

Published by: Lakshay Thakur, Roshan Lal Chokkar

Author: Lakshay Thakur

Paper ID: V3I2-1531

Paper Status: published

Published: May 3, 2017

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Intelligent Methods used for Placement of Distributed Generation Units in Distribution Networks

Distributed generation (DG) plays a significant role in reducing real power loss, lowering the operating cost and improving the voltage profile. This paper formulates the DG placement problem a combined objectives as individual objectives and presents a solution method for optimally determining the bus locations and sizing of multiple DG units in distribution networks using biogeography-based optimization (BBO). BBO, inspired from the geographical distribution of biological species, searches for an optimal solution through the migration and mutation operators. Test results on a 33-node distribution network reveal the superiority of the developed method.

Published by: A. Arulvizhi, B. Balaji, G. Balambigai

Author: A. Arulvizhi

Paper ID: V3I2-1588

Paper Status: published

Published: April 28, 2017

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Exploring the Performance Extents of Hybrid Renewable Energy Systems

The current electricity demand has asserted the mandatory requirement of establishing renewable energy systems. This paper reviews the major contributions on practically establishing the hybrid renewable energy systems. The contributions are investigated for its practical relevance with the growing demand, exploration of various renewable energy resources and the performance accomplishment. The perspectives on using various renewable energy resources are also observed to determine the viable resource. Eventually, the research gaps and the worldwide focus on hybrid renewable energy systems are summarized.

Published by: Balbheem .N, Dr. Sudarshan Patil Kulkarni

Author: Balbheem .N

Paper ID: V3I2-1566

Paper Status: published

Published: April 28, 2017

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The NavAid –An Navigation System for Visually Challenged

This paper presents an Electronic Travel Aid (ETA) for visually impaired and blind people. This device enables a blind user to quickly and safely walk through obstacle cluttered and unknown environments with a combination of eyeglasses and waist belt. The foremost innovation of this device is its ability to actively guide the user around obstacles in pursuit of a given target direction. Using a network of ultrasonic sensors, this is possible. And special feature lets the system automatically determine the direction of travel when traveling alongside walls, sidewalks, etc. It effectively calculates a distance of the detected object from the subject and prepares navigation path accordingly avoiding obstacles. It uses speech feedback to aware the person about the detected obstacle and its distance. Such speech messages are conveyed to the subject using earphone

Published by: S. Sivagami, Kushmitha V, Dinesh D, Amala T, Anu Priyam M

Author: S. Sivagami

Paper ID: V3I2-1582

Paper Status: published

Published: April 28, 2017

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Remedial Measures to Seismic Effects for Architectural and Structural Design

Architectural and structural features are mutually dependent on each other in a seismic resistant design. Their interrelation should be such that it does not impede its behavior in seismic zones. This paper follows the study of principles, methodology, measures and certain remedies to contradict effects of the earthquake on structures. A proposition on step-back building form is presented, stating that how a step-back building can perform productively during ground motion. As a result, eccentric values are analyzed to reduce torsion so as to attain a stable structural configuration.

Published by: Harshita Chowdhary, Vikas Gandhe

Author: Harshita Chowdhary

Paper ID: V3I2-1550

Paper Status: published

Published: April 28, 2017

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