Volume 7, Issue 6, August 2016

Energy Based Simulation and Performance Evaluation of Routing Protocols of Wireless Sensor Networks(WSN)

Mulugeta Adibaru

College of Engineering and Technology, Wollega University, Post Box No-395, Nekemte, Ethiopia

Abstract - In recent years many researchers demonstrate their great interest in energy efficient based hierarchical routing protocols in Wireless sensor networks (WSNs). Wireless sensor networks are networks of tiny sensor nodes intelligent to data processing, sensing, wireless communication proficiency, along with memory and energy limitations. In the existing era many energy efficient routing protocols for Wireless sensor networks have been proposed to prolong the network lifetime of the tiny sensor node however, because of their transformed behavior in altered scenarios performance superior or poorer cannot be observed without any doubt by conventional techniques. The main purpose of this project is to evaluate the performance among energy efficient hierarchical routing protocols in WSNs based on metrics Energy consumption, number of nodes alive, number of data received at the base station. In this project Simulations between LEACH,LEACH-C and STAT-CLUS hierarchical routing protocols in wireless sensor networks has be done and confirms their results in term of Energy consumption, number of data received , no of nodes alive when number of clusters, number of nodes and location of base stations are varied over a fixed topology of wireless sensor networks. The project is concluded by mentioning valuable observations made from analysis of results about several hierarchical routing protocols of wireless sensor networks.

Index Terms - Wireless Sensor Network, Energy Efficient Routing Protocol, Cluster and NS-2

Mobile Devices Authentication Based on Services Oriented Architecture Using Mobile Cloud Computing

Pages: 10-17 (8) | [Full Text] PDF (345K)

Muhammad Basit Mujeeb and Muhammad Junaid Arshad

Department of Computer Science & Engineering, University of Engineering & Technology, Lahore, Pakistan

Abstract - Mobile cloud computing is a mobile paradigm which provide mobile user services with rich computation power. Its storage capacity with limited resources in hand that based on “pay-as-you-use” policy. There are some problems of security, quality of services, and application error to MCC services provider. There is need for mobile user and devices authentication within MCC. We are going to propose architecture for mobile devices/users/services authentication based on services oriented architecture in MCC. By using this proposed architecture we can authenticate the mobiles devices which are using different services through MCC. The services on MCC can be categorized for different mobile users and services that are restrict to the users to use the particular services which are offered according to their device specifications. By our proposed architecture we calculate the bandwidth, computing power limitations of mobile devices; we restrict that particular user to use services which are in the range of mobile device. We divide the application and services among the devices in MCC. So, we can achieve the quality of communication between mobile devices and MCC services by judgment of bandwidth of devices and reduced data delivery time in MCC.

Index Terms - Mobile Cloud Computing (MCC), Cloud Computing and Mobile Cloud Service Oriented Architecture (SOA)

A New Method for Software Rejuvenation

Pages: 18-24 (7) | [Full Text] PDF (459K)

Roham Farahani

Department of Computer Engineering, Islamic Azad University-Arak Branch, Iran

Abstract - When software runs for a long time then may lose some resources and would be not working in good situation. In recently researchers considered some rejuvenation parameters, in this paper we introduce a new statistical distribution method that is Poisson distribution for time of rejuvenation or time interval to start rejuvenation. We also use Virtualization (Virtual machine), Petri Network, Deming cycle and operating system in the process of rejuvenation. The goal of this paper is to show new technique would result the more availability in soft wares.

Index Terms - Deming Cycle, Petri Net, Poisson Distribution, Software Rejuvenation and Virtualization

Decreasing Response Time in Distributed Computing for SOA Based Applications

Pages: 25-29 (5) | [Full Text] PDF (284K)

Farooq Javed, M. Shafique and Salman Ahmad

Department of Computer Science & IT, University of Sargodha, Sargodha, Punjab Pakistan
Department of CS&E, University of Engineering & Technology, Lahore, Pakistan

Abstract - This article debates vital performance glitches in the design of SOA based application while it is deployed in distribute environment to take the benefits of distributed computing. There is major factor involve in the distributed computing environment is the network latency among the server machines containing different modules of application to reach one goal. They all communicate with each other on the bases of message passing. Latency among the server machines may reduce and over all response time is increased by applying different protocols like TCP/IP, HTTP, and Named Pipe for message passing and RPC. These are effective in reducing the overall response time. Besides these all in Data Driven applications there are various types of data mapping mechanism like entity framework and Nhibernate are introduced. But still there is one more possibility left to make architecture more efficient and fast. We may increase response time by moving business logic layer from application server to database server. Load testing experiments prove that this technique bring significant improvement on large data transactions which needs heavy processing at business logic layer.

Index Terms - Service Oriented Architecture, SOA, Response Time, Distributed Computing and SOA Based Application

Hybrid Gabor Filter Bank with Trilateral Based Filtering Image Segmentation Technique for Exudate Extraction

Pages: 30- (-) | [Full Text] PDF (K)

Kanika Bajaj and Navjot Kaur

Department of Computer Science & Engineering, Global Institutes of Management and Emerging Technologies, Amritsar, Punjab, India

Abstract - Image segmentation is the technique of dividing an electronic digital image into a number of sub-images. The aim is always to simplify and/or change the representation of a graphic into something more meaningful and easier to analyze. The major reason behind blindness and vision problems in working people is a serious public health issue. Identifying diabetic retinopathy lesions in retinal images can help in diagnosing a problem early. Lack of accuracy in these techniques can lead to fatal results because of incorrect treatment. So, there is a great need for automation techniques with high accuracy for retinal disease identification. Several automation techniques have been proposed for retinal image analysis. This paper proposes new unsupervised technique which gives improved results but it is suffers from the problem of the noise. So to remove this problem a hybrid Gabor filter bank with trilateral based filtering technique is proposed.

Index Terms - Image Segmentation, Exudates Segmentation, Gabor Filter and Fundus Image

Volume 7, Issue 6, August 2016

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