Author

M. Othman

5 articles in our journals

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Research ArticleOpen accessApproximation of Iteration Number for Gauss-Seidel Using Redlich-Kister PolynomialM. K. Hasan, J. Sulaiman, S. Ahmad et al.Problem statement: Development of mathematical models based on set of observed data plays a crucial role to describe and predict any phenomena in science, engineering and economics. Therefore, the main purpose of this study was to compare the efficiency of Arithmetic Mean (AM), Geometric Mean (GM) and Explicit Group (EG) iterative methods to solve system of linear equations via estimation … …American Journal of Applied Sciences, Vol. 7, Issue 7 · 31 Jul 2010 · 8,138 accessesView PDF Cite

Research ArticleOpen accessCombinatorial Properties of Modified Chordal Rings Degree Four NetworksR. N. Farah, M. Othman, M. H. SelamatProblem statement: Modified Chordal Rings Degree Four, called CHRm4 is the first modified structure of chordal rings. This CHRm4 is an undirected circulant graph and is a double loop graph. Approach: This study presented the main properties of CHRm4. There are connectivity, Hamiltonian cycle and asymmetric. Results: Several definitions, postulates, corollary, theorems and lemmas were constructed according to these three … …Journal of Computer Science, Vol. 6, Issue 3 · 31 Mar 2010 · 7,467 accessesView PDF Cite

Research ArticleOpen accessA Discrete Event Modeling and Simulation of Wave Division Multiplexing Unidirectional Slotted Ring Metropolitan Area NetworkH. A. Fua’ad, S. Shamala, M. Othman, Z. ZuriatiProblem statement: The lack of uniformity in the choice of simulation platforms for optical WDM networks stands behind the difficulty of developing a common simulation environment. Correlating WDM unidirectional slotted ring network to Discrete Event Simulation (DES) encompassing event definition, time advancing mechanism and scheduler has yet to be developed. Approach: The study focused on the proposed and the development … …Journal of Computer Science, Vol. 5, Issue 6 · 30 Jun 2009 · 6,680 accessesView PDF Cite

Research ArticleOpen accessDiscrete Simulation Framework for Wireless Cellular NetworksM. Al-Sanabani, S. Subramaniam, M. Othman, Z. ZukarnainThe 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 to provide a platform for current and future investigations involving wireless cellular networks. The simulator is built from the scratch to enable customization requirements of any research and to provide … …Journal of Computer Science, Vol. 4, Issue 12 · 31 Dec 2008 · 7,070 accessesView PDF Cite

Research ArticleOpen accessEnhancing Wireless Medium Access Control Layer Misbehavior Detection System in IEEE 802.11 NetworkA. M. Alsahag, M. OthmanWireless 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 adhere to the MAC protocol may obtain an unfair throughput share. For example, IEEE 802.11 requires hosts competing for access to the channel to wait for a "back-off" interval, randomly selected from … …Journal of Computer Science, Vol. 4, Issue 11 · 30 Nov 2008 · 6,963 accessesView PDF Cite