Volume 3, Issue 3, September 2014 (Title of Paper )

Page No.

Performance Evaluation of Waste Vegetable Cooking Oil as Biodiesel

Author: Ogur, E. O., Mbatia, B. N.

Abstract-- This work involved the production of biodiesel from waste vegetable cooking oil and testing for the engine torque, brake power and specific fuel consumption of a conventional diesel engine utilizing the produced biodiesel from the waste vegetable cooking oil. The results obtained were compared with those for petro-diesel fuel. The results showed that the value of brake power for petro-diesel was closely matched with that of biodiesel. Similarly the value for engine torque for petro-diesel was higher than that of biodiesel, due to the oxygen content in biodiesel. The average value obtained for the specific fuel consumption for biodiesel was higher than that of petro-diesel. Results obtained in this study showed that biodiesel obtained from waste vegetable oil had properties close to petrol-diesel. Keywords-- Waste vegetable cooking oil; biodiesel; transesterification; glycerol.

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Modeling and Managing The Biological Treatment Process Through The Use of Neural Networks

Authors: Gheorghe – Constantin IONESCU 1, George-Lucian IONESCU

Abstract— Neural networks, characterized by parallelism and learning capacity, represent a prime solution for the development of robust and adaptive regulators, especially in situations in which the dynamics of the process is non linear, complex or unknown. In this paper, the authors propose the implementation of modeling and management techniques of the biological wastewater treatment process, utilizing neural networks, elaborating a series of schemes such as: Control methods based on neural networks, Principle scheme of a neural optimizer etc. Keywords— neural network, biological neuron, sinapse

[1] G. L. Ionescu, Gh. C. Ionescu, Aura Sâmbeteanu, Tehnologii moderne pentru epurarea apelor uzate (Modern technologies for wastewater treatment), Editura MatrixRom – Bucureşti, 2013. [2] E. Gligor, Contribuţii la optimizarea energetică a instalaţiilor şi echipamentelor din cadrul staţiilor de epurare a apelor uzate (Contributions to energy optimization of facilities and equipment in the wastewater treatment plants, PhD. Thesis Oradea, 2011). [3] Diana Robescu, Modelarea proceselor biologice de epurare a apelor uzate (Modeling biological wastewater processes), Editura Politehnica Press Bucureşti, 2009. [4] Diana, Robescu, S. Iliescu, D. Robescu ş.a., Controlul automat al proceselor de epurare a apelor uzate (Automatic control of wastewater treatment processes), Editura Tehnică Bucureşti, 2008. [5] Gheorghe I. Gheorghe, N. Băran, O. Donţu, D. Besnea, G.L. Ionescu – Electromechanical system for the displacement of fine bubble generators that oxygenate stationary waters – 5 th International Conference on Innovations, Recent Trends and Challenges in Mechatronics, Mechanical Engineering and New High-Tech Products Development – MECAHITECH’13 Bucharest, Romania September 12th -13th, 2013. [6] G.L. Ionescu, Paolo Bertola, O. Donţu – Solutions for qualitative and quantitative rainwater management – CIEM 2013 (Conferinţa Internaţională de Energie şi Mediu), 7-8 noiembrie 2013 Bucureşti.


Effect of Three Weeks of Drying After Terminating Water Uptake at Different Times on Seed Germination in Some Cereals

Authors: Mustafa Yildirim, Ziya Dumlupinar

Abstract-- Arid and semi-arid regions may experience extended dry periods with little or no precipitation, which can cause winter cereal seeds that have already begun to germinate (and to draw water from the soil) to dry and wither. Even in the event that rains resume after an extended period of dryness, it is generally observed that most, if not all, of the dried seeds are unable to draw water and germinate once again. This phenomenon related to the drying of germinating seeds is called “alatav” in Turkish. This study was conducted to identify the first water uptake rates (WU) of three cereal species and their genotypes (the Gerek and Sultan genotypes of bread wheat, the Kunduru and Dumlupinar genotypes of durum wheat, and the Karma and Presto genotypes of triticale) for a period of 50 hours, and to determine their germination rates (GR) at the second water uptake after the seeds are dried for three weeks. The GR value of the Dumlupinar genotype remained above 0% for the longest period (until the 40th hour, at which time the WU was 64.3%); it was followed by the Kunduru and Gerek genotypes (WU value of 78.2% at 37th hour and 86.5% at the 36th hour, respectively). There was a negative correlation between WU and GR (r = –0.7545*) for all of the genotypes. Therefore, the relationship between GR and WU is a considerable importance for improving our understanding of cereals species’ and their genotypes’ response and resistance to alatav. Keywords-- Alatav, cereals, germination, time, water uptake

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The Application of Augmented Lagrangian Methods in Traffic Equilibrium Problems

Authors: Changmin, Li, Xiaoqing, Xie

Abstract—In this paper, we investigate tool setting as a policy to regulate the congestion of roads .According to example, the failure of congestion charging is illustrated. Instead, the strongly control is introduced to overcome this problem. By the advantages of augmented Lagrangian, a simple proof of the existence of optimal control for multiclass equilibrium problems where the value of time parameter varies continuously throughout the population is given. Keywords—network equilibrium problem, system optimal problem, strongly valid control, augmented Lagrangian methods.

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Data Mining Techniques and Applications in a Healthcare

Authors: Battu Vani , B.Balakrishna

Abstract-- Data mining is a a process that finds helpful patterns from great deal of knowledge the method of extracting antecedently unknown, comprehendible and unjust data from giant databases and victimization it to form crucial business selections - Simoudis 1996 This data processing definition has business flavor and for business environments. However, methoding could be a process that may be applied to any kind of knowledge starting from prognostication meteorology prediction foretelling forecasting prognostication}, electrical load prediction, product style, etc. Data mining can also be outlined because the computer-aid process that digs and analyzes monumental sets of knowledge of dat and so extracting the knowledge or information out of it. By its simplest definition, data processing automates the detections of relevant patterns in information. Keywords-- Data Mining, Classification, Clustering, Association, Healthcare

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New Algorithm for the Onset of Monsoon over Kadapa (14.280 N, 78.420 E)

Authors: S. B. Surendra Prasad, M. Venkatarami Reddy, U. V. Murali Krishna, R. Masthanaiah, K. Krishna Reddy

Abstract- We developed new algorithm for onset of monsoon over Kadapa (14.280 N, 78.420 E) based on wind speed, wind direction from Mini Boundary layer Mast (MBLM), zonal wind speed at 1.5 km (850 hPa) using Global Position System (GPS) radiosonde observations and wind speed at 850 hPa from NCEP–NCAR reanalysis data. Based on this algorithm we define the onset of monsoon over Kadapa as: strengthening of the low level wind speed attaining 8 ms-1 with directional change from south-easterlies to southwesterlies defines the beginning of the monsoon over Kadapa. In addition to this the wind speed of MBLM at 15 m exceeds 5 ms-1 also defines the beginning of Monsoon over Kadapa. Keywords- Onset of Monsoon, MBLM, Wind Speed, Wind direction, Radiosonde

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Wi-Gig : Technical Challenges in Directional Beamforming

Authors: Ieryung Park, Dongsoo Har


ITU-T Future Networks and Its Frmework of Virtualization

Authors: Ziaul Ain Usmani, Dr. Gulabchand K. Gupta

Abstract — International Telecommunication Unionitelecommunication (ITU-T) is an specialized agency in the field of information and communication technologies (ICTs) set up by the united nations. It is continuously making an effort to develop next generation and future network technologies such as network virtualization and published may Recommendations on it. ITU-T started working on the standardization of future networks in 2009 and published some initial recommendations. On network virtualization it has published Recommendation Y.3011. This article presents the background, objectives, design goals, and network virtualization which provides an important concept of logically isolated network partitions (LINP). ITU-T assumes that the target time frame for future networks (FNs) falls approximatelt between 2015 and 2020. Keywords—Future Network, ITU-T, Network virtualization, LINP, Recommendations of ITU-T.

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A Fuzzy Logic Approach to Decision Support in Collaborative E-Learning

Authors: Issam Matazi, Rochdi Messoussi, Abdellah Bennane, Raja Touahni

Abstract— Research works presented in this article are dedicated to the automation of learners support in collaborative e- learning. In this paper we present an intelligent multi-agent system for supporting learners in collaborative learning environment. The aim of our system is to analyze the interaction among learners and the calculation of socials indicators. The system then proposes automatically particular recommendations for the learners. The automation of the tutor roles is achieved by an agent that uses fuzzy logic techniques for its machine learning.

Keywords—artificial intelligence, collaborative learning Fispro, fuzzy logic, indicators, machine learning, multi-agent system.


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Flow and Temperature Analysis inside Flat Plate Air Heating Solar Collectors

Authors: Samah Alghoul, Mohamed Ben Nagi

Abstract— Solar energy is considerably cheap, safe and sustainable source of energy. One of the simplest applications of solar energy is domestic heating and crop drying using air solar collectors. In this paper, an explicit finite difference scheme is implemented in order to study the flow of air inside flat-plate air solar collectors. That is performed by solving the continuity, momentum and energy equations governing the problem with the choice of the appropriate boundary conditions. The application of the explicit finite difference scheme in this case proved to be reliable and convergent in the range of the studied parameters. The velocity field and the temperature distribution are calculated and showed good agreement with other published experimental results.

Keywords— solar air heating, flat-plate collector, velocity field, temperature distribution, explicit FDM


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A Survey on Web Service Mining by Collaborative Filtering and QoS

Authors: S.Urmela, Dr. K. Suresh Joseph, K. Vaitheki

Abstract— Web service mining has become one of the promising areas of Service Oriented Architecture. Web service discovery methods include syntactic based system and semantic based system. Recommender system plays a vital role in recommending a product to customer, seldom used for web service recommendation. A variety of techniques have been proposed for performing recommendation namely, content-based, collaborative, demographic-based and other techniques. To improve performance these techniques has been combined in hybrid recommendation system. The most widely used filtering technique of recommender system is collaborative filtering. In this paper, we describe various collaborative filtering by QoS rating techniques applied to web service mining and addresses various collaborative filtering problems namely, cold-start problem, gray sheep problem, synonym problem, ramp-up problem, shilling attack, data sparsity and scalability.

Keywords— Web service mining, Service Oriented Architecture, Recommender system, Collaborative Filtering, QoS.


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Classification of Factor Affecting to Roof Leaking on Malaysia Selected Heritage Buildings

Authors: Roslan Talib, A Ghafar Ahmad, Mohd Zailan Sulieman

Abstract—The purpose of this paper is to share the findings focusing on the typical building problems facing the heritage or old buildings in term of the problem of building leakage scenario in Malaysia. Looking from the problem finding perspective, the paper tabulate a list of potential solutions best practiced by the local waterproofing implementer. It is important for the reader to take advantage on the information of the extensive list of the real case studies pertaining to the building leakage syndrome typically happened mostly to heritage structure in the Malaysia hot and humid tropical climate. The plus side about this paper is that all the case studies are derived from the real selected projects done by the associated building maintenance contractor for the last 20 years. By identifying the possible factors that cause the leakage, one can take early steps to prevent the same defects form repeating thus saves a lot of money! From the finding analysis, this paper also giving the formulation ideas that can be used for creating a framework to prevent or minimize the building leakage syndrome from happening again. As the old buildings or the buildings that old enough to be considered worth to keep are becoming more valuable to either the central Government or the local council; the analysis from this paper may give some meaningful tabulation on how to maintain these heritage buildings from leakage especially from the roof seepage thus make the property much more valuable to the owner and may give profit to the locality as well.

Keywords—Leakage, Heritage, Building; Maintenance, Defects, Malaysia

[1] Talib, R., Sulieman, M.Z. 2012. ―Case studies: Applying waterproofing systems for the University building‘s flat roof.‖, Bulletin of Research and Comm. Engagement (BRACE),HBP USM, Vol.2 (1),pp.39-41.

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Android Programming Design for Matrix Method of Static Structural Analysis on Smart Phones Using App Inventor 2

Authors: Huang Li-Jeng, Chiu Yu-Chuan, Hung Yu-Ting, Jian Ya-Shin

Abstract—App Inventor and its new version, App Inventor2, are no-code open platform for Android mobile app development using drag-and-drop approach and visual programming environment. They provide easy environments for people to create apps executable on Android platforms such as smart phones and handheld pads. This paper is aimed at Android programming for professional application, i.e., matrix method of static structural analysis (MMSSA). System development procedures, layout design and program coding will be explained. A typical numerical example of static analysis of statically in-determinated continuous beam will be employed to show the results of analysis and plotting such as the shearing force diagram, bending moment diagram, rotation angle diagram and displacement diagrams. These plots will be compared with those obtained by the counterpart developed using EXCEL with VBScript and run on the desktop PC.

Keywords—Android Apps, App Inventor2, Matrix Methods, Smart Phones, Static Structural Analysis.


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Inertia Braking System for Two Wheelers

Author: Vinoth. B

Abstract— Each and every parts of a two wheeler has been designed well even though some times the braking system of a two wheelers shows poor performance. When the vehicle comes without brakes it turns the passengers into unsafe situation while riding the vehicle. So we should have a brake in our two wheelers which must deliver an optimum performance. The braking force is mainly depends on the following two factors one is normal reaction of the rear wheels and another one is coefficient of friction between road and tyres. Whenever the vehicle is loaded the normal reaction of the rear wheels also increases. So there is only minimum braking force is requires stopping the vehicle. When the vehicle is running at high speed with fewer loads it will become out of control. If we apply brake in this condition it will make a heavy injury, because the kinetic energy of a vehicle while running stored its total mass. In this paper the inertia force which helps the vehicle while braking without any skidding. Thus the system can deliver an effective braking performance then traditional one.

Keywords— Inertia, internal expanding brakes, friction, torsional spring, sprocket, transmission system, stopping distance.


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Performance of the Cross Flow Regenerator Used in Liquid Desiccant Dehumidification

Authors: Archit Kumar Vias, Rakesh Thakur

Abstract-The regeneration of the desiccant solution used in the dehumidification process is very important to further dehumidify the air. The process of regeneration was carried out in packed structure regenerator. For the regeneration process, the vapor pressure in the desiccant solution should be higher than the vapor pressure in the air. The flow here is cross-flow between the solution and the air. The performance of the regenerator is expressed in terms of various parameters like mass evaporation rate, concentration change and regenerator effectiveness. The desiccant solution used is TEG and the packing used in the regenerator is PVC frill.

Keywords-TEG, regenerator, desiccant & PVC packing.

[1] S.A. Abdul-Wahab, Y.H. Zurigat, M.K. Abu-Arabi, (2004), “Air dehumidification by triethylene glycol desiccant in a packed column”, Energy Conversion and Management, pp. 141–55.

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Reducing Emissions of Greenhouse Gases from Oradea Landfill by Generating Renewable Energy from Landfill Gas

Authors: Ion Vasile-Emilian, Laslo Eugen, Ionescu Vlad-Sebastian

Abstract— Ecological municipal landfills should address several issues related to environmental protection related to protecting the environment against air pollution by greenhouse gases and against water pollution. Landfill gas contains about 50% CH4 and 50% CO2, gases with strong greenhouse effect, and is recommended to burn it with flares or use in turbines or internal combustion engines to produce electricity and heat. Leachate is a highly polluted landfilled waste product and must be treated before release into the environment. Accurate estimation of the amount of landfill gas generated and possibly to be recovered, allow the design of a modular power generation system which allow to add or remove modules at the optimum time, depending on the amount of landfill gas generated and recovered. Landfill gas emissions in the atmosphere can thus be calculated and reduced.

Keywords— Renewable energy, landfill gas, greenhouse gases, municipal solid waste, landfilling.


[1] Hans Oonk, OonKAY! Methane From Landfills, Methods To Quantify Generation, Oxidation And Emission; 2010

[2] http://www.epa.gov/ttn/catc/dir1/landgem-v302-guide.pdf

[3] http://www.uzletsor.hu/cms/nrgagent/save/download/13-nrgagentbemutatkozprospektus-rom.pdf

[4] Dinesh Surroop, Romeela Mohee, ”Power generation from landfill gas”, 2011 2nd International Conference on Environmental Engineering and Applications, IPCBEE vol.17 (2011), IACSIT Press, Singapore

[5] http://www.climatechangeconnection.org/Emissions/CO2_equivalen ts.htm


The Validity of Geostatistical Analyst in Determining the Risky Zones of Highways and Planning New Roads.

Author: Ismail Bulent Gundogdu

Abstract-In urban planning, the development of the city for the future must be controlled. Therefore, in the city planning phase, it is necessary to plan for all events. By applying Geostatistical Analyst (GA), this study differs from previous studies which have determined the hot spots using linear analysis. The aim is to map and determine graduated hot or safe zones using not only traffic accident numbers but also other traffic accident criteria (AC). AC1 is the number of mortalities criterion, AC2 is the number of injured people criterion, AC3 is number of accidents with damage only criterion. First, all data were examined using statistical analysis. Second, probability and prediction maps were produced by kriging interpolation methods for future planning. The last aim is to illustrate maps with different properties in order to provide a guide for new routes or settlement planning.

Keywords- Geostatistical Analyst; GIS; kriging; probability maps; prediction maps; traffic accidents


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[13] Finke, P.A., Brus, D.J., Bierkens, M.F.P., Hoogland, J., Knotters, M., de Vries, F., 2004. Mapping groundwater dynamics using multiple sources of exhaustive high resolution data. Geoderma 123 (1-2) 23-39

[14] Rivoirard, J., 2002. On the structural link between variables in kriging with external drift. Mathematical Geology 34 (7) 797-808

[15] Lloyd, C.D., 2005. Assessing the effect of integrating elevation data info the estimation of monthly precipitation in Great Britain. Journal of Hydrology 308 (1-4), 128-150

[16] Hengl, T., Heuvelink, G.B.M., Rossiter, D.G., 2007. About regression-kriging: From equations to case studies. Computers & Geosciences, 33, 1301-1315

[17] Shinn, N.J., Bing-Canar, J., Cailas, M., Peneff, N., & Binns, H., 2000. Determination of spatial continuity of soil lead levels in an urban residential neighborhood. Environmental Research Section A, 82, 46–52.

[18] Boruvka, L., & Kozak, J., 2001. Geostatistical investigation of a reclaimed dumpsite soil with emphasis on aluminum. Soil and Tillage Research, 59, 115–126.

[19] Biester, H., Muller, G., & Schoer, H.F., 2002. Estimating distribution and retention of mercury in three different soils contaminated by emission from chlor-alkali plants: Part 1. The Science of the Total Environment, 284, 177–189.

[20] Hill, L., Rybar, J., Baird, S., Concha-Garcia, S., Coimbra, R., Patrick, K. 2011. Road safe seniors: Screening for age-related driving disorders in inpatient and outpatient settings. Journal of Safety Research.42-3, pp165-169.

[21] Pan, F., Zhu, P., 2011. Design optimisation of vehicle roof structures: benefits of using multiple surrogates. International Journal of Crashworthiness, 16-1, pp85-95.

[22] Yu, R., Abdel-Aty, M. 2013. Investigating the different characteristics of weekday and weekend crashes. Journal of Safety Research. Vol. 46, pp91-97

[23] Gu, X., Sun, G., Li, G., Huang, X., Li, Y., Li, Q. 2013. Multiobjective optimization design for vehicle occupant restraint system under frontal impact. Structural & Multidisciplinary Optimization. 47-3, p465-477.

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[25] Laguardia, G., 2011 Representing the precipitation regime by means of Fourier series. International Journal of Climatology. 31- 9, p1398-1407

[26] Kumar, A., Maroju, S., and Bhat, A., 2007., Application of ArcGis geostatistical analyst for interpolating environmental data from observations. Wiley Interscience DOI 10.1002/eg. 10223

[27] Ahmadi, S.H., Sedghamiz, A., 2007. Geostatistical analysis of spatial and temporal variations of groundwater level, Environ Monit Assess 129, pp:277-294

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VHDL Implementation of High Performance Digital Up-converter Using Multi-DDS Technology for Radar Transmitters

Authors: S. Mounika, K. Sandeep kumar, G. Srujan

Abstract— Direct Digital Synthesizer (DDS) is a type of frequency synthesizer used for creating arbitrary waveforms from a single, fixed-frequency reference clock. Radar is an object detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. Digital Up-conversion is the core technology in digital radar transmitter. To achieve high sampling rate, we have to use high clock frequency hence a high hardware clock is required. In this paper we are using the Multi-DDS (10 DDS) technology which is based on parallel processing, a large bandwidth signal can be produced at conditions of a lower hardware clock. This output signal is used to generate the Radar signal with high sampling rate (50 MHz). Similarly Multi-DDS technology gives a high-efficient solution. With this by using lower hardware clock high sampling rate can be achieved. As this paper presents the results based on a system (i.e. Spatarn-3E FPGA) whose clock frequency is 50MHz.

Keywords—Digital Up-conversion, Multi-DDS algorithm, Parallel processing


[1] Ji Liao Xiaoming Ye Xiaoguang Hu Dan Sun Research and Implementation on Multi- DDS Technology in High Performance Digital Up-conversion

[2] Xinsheng Zhang.FPGA Design of a High-efficiency Flexible Digital Up-converter [J]. Microcomputer & applications, 2010

[3] Zhiyong Huo.Research on Radar LFM Signal Generation System Based on DDS [J].Shanxi: Xi'an University of Electronic Science and Technology, 2004, 19(2).

[4] Xutian Liu Design of Digital Up-converter Based on FPGA [D] Shenyang: Northeastern University, 2009.

[5] Iwabuchi, M., Sakaguchi, K., Araki, K., "Study on multi-channel receiver based on polyphase filter bank," Proceedings of the 2nd International Conference on Signal Processing and Communication Systems, 2008, pp. 1-7.

[6] Destraz, B., Louvrier, Y., Rufer, A., "High Efficient Interleaved Multi-channel dc/dc Converter Dedicated to Mobile Applications," Proceedings of 41st lAS Annual Meeting. Conference Record of the 2006 IEEE Industry Applications Conference, 2006, pp. 2518 – 2523


A Novel Approach for Locating Identification of Similar Records

Authors: Satish B. Wagh , Dr. Varsha H. Patil

Abstract-- With rapid advancement in technology enables high uses of database which causes duplication of database management. The replicated data records generate multiple copies of similar data is associated with record, in completed and also outdated or same data is duplicated in the database. For removing the similar data using various data cleaning software and applications are used. The proposed system for locating identification of similar record helps in combining several different pieces of evidence extracted from the data duplication function helps for identifying whether two entries are in repository same or not. In this approach for automatic adaptation of function are given fixed similar identification boundary for improving accuracy in terms of number of similar records found versus the actual number of duplicate records. This work has been tested on the cora dataset with similar records. System used for locating replica with the help of genetic programming helps in combining evidence extracted from the content and duplication function enables in identification weather two entries present in repository are replicas or not. Additionally genetic programming is capable for automatically adapting this function to a specified similar record identification boundary this genetic programming approach is applied for various database management to find similar records.


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Efficient Weighted Frequent Patterns Mining over Evolving Dataset

Authors: Vijay Subhash Patil, Neeta A. Deshpande

Abstract- Weighted frequent pattern mining is suggested to find out more important frequent pattern by considering different weights of each item. Weighted Frequent Patterns are generated in weight ascending and frequency descending order by using prefix tree structure. These generated weighted frequent patterns are applied to maximal frequent item set mining algorithm. Maximal frequent pattern mining can reduces the number of frequent patterns and keep sufficient result information. In this paper, we proposed an efficient algorithm to mine maximal weighted frequent pattern mining over data streams. A new efficient data structure i.e. prefix tree and conditional tree structure is used to dynamically maintain the information of transactions. Here, three information mining strategies (i.e. Incremental, Interactive and Maximal) are presented. The detail of the algorithms is also discussed. Our study has submitted an application to the Electronic shop Market Basket Analysis. Experimental studies are performed to evaluate the good effectiveness of our algorithm.


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Secured Authentication Service Using Cloud Architecture

Authors: Anagha Dinkar Dhongade, Niranjan L. Bhale

Abstract - Now a days, maintaining the security of log records is one of the most important task of any organization. Log records often contain sensitive information which should be protected for proper functioning of an organization. But development of such system for protecting log records is an overhead for an organization as well as it requires additional cost. Cloud computing can be used for maintaining security of log records with very less expenses. In this paper, we elaborate the techniques for securely creating, storing and retrieving the log files using cloud-based framework. Keywords- Cloud computing, Logging, Privacy, Security, Confidentiality.


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Wide Band Rate Conversion Using CIC Filters for Wireless Communication Receivers

Authors:Vennached Karunakergoud, D. Kavitha, S. Swetha

Abstract— Cascaded integrator comb (CIC) filters are widely used in multi-rate digital signal processing for both the decimation and interpolation. Digital down converter is plays important role in wireless communication system. In this paper we can design FPGA based optimized decimation filters for wireless communication receivers. Digital down converter(DDC) utilizes the major resources and cost efficient. In DDC we can design DDS to generate the arbitrary wave forms. However the proposed filters is designed to decimate the signal high sample rate to low sample rate. The decimation filter converts the sampling rate 50 MHz to 6.25 MHz by the decimation fctor 8. In the DDC we can implement CFIR and PFIR for efficient result. This architecture will be implemented in VHDL and tested in Xilinx FPGAs. Modelsim is used for simulation and Xilinx ise is used for synthesis report. The design methodology is implemented on Spartan 3E FPGA based xc5vlx110t-3-ff1136 target device. On chip verification can be done on chipscope.

Keywords—CFIR, CIC, DDC, Decimator, FPGA


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An Energy Efficient Multicast Routing Approach for MANET

Authors: Divya Gupta, Madhulika Sharma

Abstract— Due to highly dynamic and distributed characteristics of nodes in MANET, energy efficiency is considered an important issue. This is also important because MANET do not have fixed infrastructure and nodes are depends on their battery power. Failure of one node, due to battery energy loss, may affect the entire network. In this paper, we have proposed an energy efficient congestion control approach that minimizes the total energy cost of the multicast tree. In the first phase of the proposed solution, a multicast tree routed at the source is built by including the nodes with higher residual energy towards the receivers. In the second phase an admission control scheme is proposed in which a multicast flow is admitted or rejected depending upon on the output queue size. Because of the on-the-spot information collection and rate control, this scheme has very limited control traffic overhead and delay.

Keywords— Congestion Control, Energy Efficiency, Mobile ad-hoc Network (MANET), Multicasting, Routing Protocol


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Implementation of Dynamic Switching Type Signal Generation on FPGA for Navigation Receivers

Authors: K. Sumalatha, D. Kavitha, Surya Mukhi

Abstract— The important role in navigation test, radio navigation generator is widely used in the people/military plane. Modulation switching is the main concept in this paper. In the previous we are using only AM modulation type of testing the navigation receivers. But todays communication systems use more than one modulation technique. So a new kind of digital navigation signal generator is designed that supports several modulation techniques. Those are AM, FM, BPSK, QPSK. So depends upon our requirement we are automatically switching from one modulation technique to another modulation technique. Therefore, in this paper a new idea is provided for radio navigation system design and test. This signal generator can be widely applied to debugging use of people/military plane radio navigation.

Keywords— ADC, DAC, DDS signal generator, FPGA (Spartan-3E), Microblaze, Navigation.


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[10] Rajib Das, “FPGA Implementation of Digital Modulation Schemes: BPSK and QPSK Using VHDL”, International Journal of Electronics & Communication Technology(IJECT), Vol. 5, Issue Spl - 2, Jan - March 2014.