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Journal of ICT Research and Applications Vol. 4 Issue 1 2010

Vol. 4 No. 1 (2010)

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Articles Published in This Issue

Explore peer-reviewed research articles published in this issue.

researchpp. 1–22

Refining Spectrum Fee to Increase Utilization Efficiency by Adopting ITU-R SM 2012-2 Case Study: Cellular Service in Indonesia

The spectrum fees called as "Biaya Hak Pengguna Frekuensi" (BHPF) for cellular services in Indonesia are currently calculated based on apparatus, proportionally to the number of transceiver stations and radio channels. Unfortunately, the formula cannot promote the efficiency of frequency spectrum efficiency. ITU-R SM 2012-2 recommended the spectrum fee formula that can promote the efficiency; Administrative Incentives Price (AIP) also claims to promote the effectiveness of the radio spectrum utilization. By combining ITUR SM 2012-2 with AIP, the frequency fee formula can promote not only the…

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researchpp. 23–46

MSB-First Interval-Bounded Variable-Precision RealTime Arithmetic Unit

This paper presents a paradigm of real-time processing on the lowest level of computing systems: the arithmetic unit. The arithmetic unit based on this principle containing addition, subtraction, multiplication and division operations is described. The development of the computation model is based on the Soft Computing and the Imprecise Computation paradigms, combined with the MSBFirst and the Interval Arithmetic techniques. Those paradigms and techniques give the arithmetic unit design the ability to compute with precisions as a function of time available or accuracy needed. The…

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researchpp. 47–66

The Concept of Data Model Pattern Based on Fully Communication Oriented Information Modeling (FCO-IM)

Just as in many areas of software engineering, patterns have been used in data modeling to create high quality data models. We provide a concept of data model pattern based on Fully Communication Oriented Information Modeling (FCO-IM), a fact oriented data modeling method. A data model pattern is defined as the relation between context, problem, an d solution. This definition is adopted from the concept of pattern by Christopher Alexander. We define the concept of Information Grammar for Pattern (IG P) in the solution part of a pattern, which works as a template to create a data model. The IG…

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