Volume 4, Issue 11 (2008) | Journal of Computer Science

Experimental Evaluation of Medium Access Schemes in 802.11 Wireless Networks

G. Singh — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.888.896

Problem statement: Deployment of real time services over 802.11 wireless networks requires quality of service (QoS) differentiation mechanisms for different traffic types. This required investigations...

A Heapify Based Parallel Sorting Algorithm

M. A.A.A. Hija — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.897.902

Quick sort is a sorting algorithm whose worst case running time is θ(n2) on an input array of n numbers. It is the best practical for sorting because it has the advantage of sorting in place. Problem...

Towards A Dynamic Object-Oriented Design Metric Plug-in Framework

C. H. Loh — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.903.909

Problem Statement: The evolution of software is made difficult by the need to integrate new features with all previously implemented features in software applications. Approach: present study introduc...

A Robust Video Watermarking Algorithm

Tahani Al-Khatib — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.910.915

Problem statement: Video watermarking is well known as the process of embedding copyright information in video bit streams. It had been proposed in recent years to solve the problem of illegal manipul...

Web-based Projects Evaluation Management System

S. Al-Zoubi — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.916.921

This project designs a Web-based evaluation management system for the College of Arts and Sciences (CAS). Problem statement: The Msc students in College of Arts and Sciences (CAS) in applied sciences ...

Fuzzy Meta Node Fuzzy Metagraph and its Cluster Analysis

D. Gaur — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.922.927

Problem statement: In this study researchers propose a new fuzzy graph theoretic construct called fuzzy metagraph and a new method of clustering finding the similar fuzzy nodes in a fuzzy metagraph. A...

Calculate Sensitivity Function Using Parallel Algorithm

H. A. Rjoub — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.928.933

Problem statement: To calculate sensitivity functions for a large dimension control system using one processor, it takes huge time to find the unknowns vectors for a linear system, which represents th...

Embedding Malaysian House Red Ant Behavior into an Ant Colony System

Z. A. Othman — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.934.941

Problem statement: Ant Colony System (ACS) is the most popular algorithm used to find a shortest path solution in Traveling Salesman Problem (TSP). Several ACS versions have been proposed which aim to...

DNA Sequence Optimization Based on Continuous Particle Swarm Optimization for Reliable DNA Computing and DNA Nanotechnology

N. K. Khalid — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.942.950

Problem statement: In DNA based computation and DNA nanotechnology, the design of good DNA sequences has turned out to be an essential problem and one of the most practical and important research topi...

Enhancing Wireless Medium Access Control Layer Misbehavior Detection System in IEEE 802.11 Network

A. M. Alsahag — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.951.958

Wireless Medium Access Control (MAC) protocols such as IEEE 802.11 use distributed contention resolution mechanisms for sharing the wireless channel. In this environment, selfish hosts that fail to ad...

Re-quantization Codebook Using Fingerprint

Z. F. Muhsen — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.959.962

Re-quantization is a key technology for reducing the bit rate of compressed data. The reduction of the bit rate and in certain cases may result in signal quality degradation. Techniques need to be dep...

Design and Bandwidth Analysis of Fault-Tolerant Multistage Interconnection Networks

R. Aggarwal — 2008-11-30

Journal of Computer Science, Published online: 30 November 2008; doi:10.3844/jcssp.2008.963.966

The design of a suitable interconnection network for inter-processor communication is one of the key issues of the system performance. In this study a new irregular interconnection network IABN (Irreg...