Volume 6, Issue 2 (2010) | Journal of Computer Science

Acoustic Echo Cancellation: Dual Architecture Implementation

B. Stark — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.101.106

Problem statement: With the rise in mobile communication, it is becoming more frequent to use a communication device in an enclosed noisy environment, such as a subway or in a lobby. In this setting h...

An Optimization of Design for S4-Duty Induction Motor Using Constraints Normalization Based Violation Technique

R. Subramanian — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.107.111

Problem statement: Design of Induction motors is an engineering art and needs an extensive experience for obtaining an optimal design solution for a given design problem. An optimized GD2 value for th...

Comparison of Exact Algorithms for Rectilinear Distance Single-Source Capacitated Multi-Facility Weber Problems

Chansiri Singhtaun — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.112.116

Problem statement: The objective of this study is to develop efficient exact algorithms for a single source capacitated multi-facility location problem with rectilinear distance. This problem is conce...

A Novel Algorithmic Cost Estimation Model Based on Soft Computing Technique

Iman Attarzadeh — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.117.125

Problem statement: Software development effort estimation is the process of predicting the most realistic use of effort required for developing software based on some parameters. It has always charact...

Automated Position System Implementation over Vehicular Ad Hoc Networks in 2-Dimension Space

Soumen Kanrar — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.126.132

Problem statement: The real world scenario have changed from the wired connection to wireless connection. Over the years software development has responded to the increasing growth of wireless connect...

Block Cipher Involving Key Based Random Interlacing and Key Based Random Decomposition

K. Anup Kumar — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.133.140

Problem statement: The strength of the block ciphers depend on the degree of confusion and diffusion induced in the cipher. Most of the transformations used for this purpose are well known to every on...

Soft Computing in Optimizing Assembly Lines Balancing

Muhammad Zaini Matondang — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.141.162

As part of manufacturing systems, the assembly line has become one of the most valuable researches to accomplish the real world problems related to them. Many efforts have been made to seek the best t...

Sorting N-Elements Using Natural Order: A New Adaptive Sorting Approach

Shamim Akhter — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.163.167

Problem statement: Researchers focused their attention on optimally adaptive sorting algorithm and illustrated a need to develop tools for constructing adaptive algorithms for large classes of measure...

An Algorithm for Localization in Vehicular Ad-Hoc Networks

Hajar Barani — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.168.172

Positioning a node in Vehicular Ad-Hoc networks is one of the most interested research areas in recent years. In many Ad-Hoc networks such as Vehicular Ad-Hoc networks in which the nodes are considere...

Position and Obstacle Avoidance Algorithm in Robot Soccer

Awang Hendrianto Pratomo — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.173.179

Problem statement: Robot soccer is an attractive domain for researchers and students working in the field of autonomous robots. However developing (coding, testing and debugging) robots for such domai...

Differential Diagnosis Knowledge Building by Using CUC-C4.5 Framework

Kusrini — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.180.185

Problem statement: The Case Based Reasoning (CBR) method can be implemented in differential diagnosis analysis. C4.5 algorithm has been commonly used to help the method's knowledge building process. T...

Embedded Systems Education for Multiple Disciplines

Ali H. El-Mousa — 2010-06-28

Journal of Computer Science, Published online: 28 June 2010; doi:10.3844/jcssp.2010.186.193

Problem statement: This study described the process and experience of designing and developing an embedded systems first course that serves different disciplines at the University of Jordan together w...

Performance of Orthogonal Frequency Division Multiplexing System Based on Mobile Velocity and Subcarrier

Zulkeflee Bin Khalidin — 2010-05-28

Journal of Computer Science, Published online: 28 May 2010; doi:10.3844/jcssp.2010.194.198

Problem statement: Nowadays, the mobile telecommunications industry faces the problem of providing the technology that be able to support a wide variety of services ranging from voice communication wi...

A Novel Method for Edge Detection Using 2 Dimensional Gamma Distribution

Ali El-Zaart — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.199.204

Problem statement: Edge detection is an important field in image processing. Edges characterize object boundaries and are therefore useful for segmentation, registration, feature extraction, and ident...

History Based Contention Window Control in IEEE 802.11 MAC Protocol in Error Prone Channel

Ali Balador — 2010-07-28

Journal of Computer Science, Published online: 28 July 2010; doi:10.3844/jcssp.2010.205.209

Problem statement: IEEE 802.11 Medium Access Control (MAC) protocol is one of the most implemented protocols in this network. The IEEE 802.11 controls the access to the share wireless channel within c...

Evaluating E-Learning Systems Using E-Traceability Systems

Salah Hammami — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.210.216

Problem statement: Electronic learning (e-learning) System is an ideal example of these modern learning options. It provides reliable, convenient and easily accessible environment of learning. Since t...

Skin Images Segmentation

Ali El-Zaart — 2010-07-28

Journal of Computer Science, Published online: 28 July 2010; doi:10.3844/jcssp.2010.217.223

Problem statement: Image segmentation is a fundamental step in many applications of image processing. Skin cancer has been the most common of all new cancers detected each year. At early stage detect...

Iterative Channel Estimation Algorithm in Multiple Input Multiple Output Orthogonal Frequency Division Multiplexing Systems

Mona Nasseri — 2010-02-28

Journal of Computer Science, Published online: 28 February 2010; doi:10.3844/jcssp.2010.224.228

Problem statement: The objective of this study is improving channel estimation accuracy in MIMO-OFDM system because channel state information is required for signal detection at receiver and its accur...