Volume 4, Issue 12 (2008) | Journal of Computer Science

A Novel Approach to Modeling and Flooding in Ad-hoc Wireless Networks

O. Issaad — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.967.975

This study proposes a new modeling approach for wireless ad-hoc networks. The new approach is based on the construction of fuzzy neighborhoods and essentially consists of assigning a membership or imp...

A Comparative Study of Stability Testing Approaches of Two-Dimensional Recursive Digital Filters

K. R. Santhi — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.976.981

There are many problems in science and engineering whose solution is applied in the design of Multi-Dimensional (MD) digital filters. Digital filtering finds an important position in the field of digi...

Discrete Simulation Framework for Wireless Cellular Networks

M. Al-Sanabani — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.982.990

The aim of the discrete simulation framework is to deal with issues of the next generation of wireless cellular networks (e.g., multimedia traffic, radio resource management and mobility... etc) and t...

A Web-Based Rapid Prototyping Workflow Management Information System for Computer Repair and Maintenance

A. H. El-Mousa — 2009-12-31

Journal of Computer Science, Published online: 31 December 2009; doi:10.3844/jcssp.2008.991.998

Problem statement: Response to paper-based requests for computer and peripheral repair and maintenance has become very troublesome and slow due to the large demand and expansion at the University of J...

A Shuffle Image-Encryption Algorithm

A. A. Yahya — 2009-07-31

Journal of Computer Science, Published online: 31 July 2009; doi:10.3844/jcssp.2008.999.1002

Problem statement: Image encryption needs to be secure by resisting statistical attacks and other types of attacks. Approach: The new algorithm, call it the Shuffle Encryption Algorithm (SEA), applies...

Design and Analysis of Virtual Bus Transport Using Synchronous Digital Hierarchy/Synchronous Optical Networking

R. Hassan — 2009-12-31

Journal of Computer Science, Published online: 31 December 2009; doi:10.3844/jcssp.2008.1003.1011

This study presented a new data link layer design for the virtual bus architecture. The virtual bus is a hierarchical access network offered a broadcast capability for data and signaling. The proposed...

A Complete Automation of Unit Testing for JavaScript Programs

M. Alshraideh — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1012.1019

Problem statement: Program testing is expensive and labor intensive, often consuming more than half of the total development costs, and yet it is frequently not done well and the results are not alway...

Performance Comparison of Active Queue Management Techniques

T. B. Reddy — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1020.1023

Congestion is an important issue which researchers focus on in the Transmission Control Protocol (TCP) network environment. To keep the stability of the whole network, congestion control algorithms ha...

Robust and Blind Watermarking of Relational Database Systems

A. Al-Haj — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1024.1029

Problem statement: Digital multimedia watermarking technology was suggested in the last decade to embed copyright information in digital objects such images, audio and video. However, the increasing ...

Simulator for Optimization of Software Project Cost and Schedule

P. K. Suri — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1030.1035

Each phase of the software design consumes some resources and hence has cost associated with it. In most of the cases cost will vary to some extent with the amount of time consumed by the design of ea...

Analysis of Robustness for Convex Optimization Applied to Array Antenna Pattern Synthesis

Richard Torrealba — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1036.1041

This study presents an analysis of the convex optimization applied to the synthesis of the radiation pattern for linear antenna arrays. This study emphasizes the application of the convex optimization...

Hepatitis B Diagnosis Using Logical Inference and Self-Organizing Map

Ghumbre Shashikant Uttreshwar — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1042.1050

Despite all the standardization efforts made, medical diagnosis is still regarded as an art owing to the fact that that medical diagnosis requires an expertise in handling the uncertainty which is una...

Effect of Data Processing on Data Quality

A. R. Samih — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1051.1055

Problem statement: Great attention had been paid on spatial data quality by the scientific community. This was due to the negative impact that a poor spatial data quality had on the competitiveness of...

A New Computation Algorithm for a Cryptosystem Based on Lucas Functions

Mohamed Othman — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1056.1060

Most of public-key cryptosystems rely on one-way functions. The cryptosystems can be used to encrypt and sign messages. The LUC Cryptosystem is a cryptosystem based on Lucas Functions. The encryption ...

Car Safety System Using Fuzzy Logic

Mazin Al-Hadidi — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1061.1063

Nowadays everybody can recognize the huge increasing of car numbers on roads. Day after day, this increasing may be an indicator for changing and development. This put a lot of challenges on people an...

Life Long Learning: Seniors in Second Life Continuum

C. D. Seals — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1064.1070

Senior citizens represented the fastest growing demographic worldwide. As indicated in the Year 2000 US Census, there were 35 million people 65 or older in the US and by 2030, it was estimated that th...

Virtual Mobility to Improve Cooperation in Mobile Ad hoc Networks

A. Baaziz — 2008-12-31

Journal of Computer Science, Published online: 31 December 2008; doi:10.3844/jcssp.2008.1071.1075

We study the impact of mobility on the level of cooperation between mobile nodes in a mobile ad hoc network. In a mobile ad hoc network, if the nodes are static or have a reduced mobility and if some ...