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Frequency: 12 issues per year
ISSN: 2250–3005 (online version)
Published by: IJCER
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International Journal of Computational Engineering Research

(IJCER)

 

Articles

 

Research Article  open access
Medium Access Probability of Cognitive Radio Network Under ECC-33/Hata-Okumura Extended Model Using Different Fading Channels at 1900MHz and 2100MHz
Lailatun Nahar || Md. Mahbub-Or-Rashid || Shireen Akter || Risala Tasin Khan
Bangladesh
Paper Indexed : : 03.3005/xxxxxxx
International Journal of Computational Engineering Resaerch, Volume 06 ~ Issue 07 (July 2016)

Abstract

Cognitive radio detects the presence or absence of Primary User (PU) in its sensing region to provide the free radio spectrum to its Secondary user (SU). It is widely accepted a SU is only allowed to access a network of PU when no PU of that network is accessing the network at that moment. Sometimes SU misjudges the presence of PU inside the sensing region though the PU is in transmitting mode outside the sensing region which is termed as spatial false alarm. The incorporation of spatial false alarm makes the task more difficult. Previous literature performs this task using Lee's path loss model......

Keywords: Path loss model;fadingchannel;medium access probability;spectrum sensing; spatial false alarm.;conventional false alarm ,PMA

 

Research Article  open access
Online Examination System using Raspberry pi
K.S.Kalike || S.G.Pardeshi
India
Paper Indexed : : 03.3005/xxxxxxx
International Journal of Computational Engineering Resaerch, Volume 06 ~ Issue 07 (July 2016)

Abstract

Online examination is the new scenario which is effective solution for education evaluation. Most of the institute, colleges, university, schools as well as for the competitive exam use online examination system for conducting exams. The previous online examination system is based on browser/ server structure or client/server structure as they require individual computer to every student. As the number of students are increasing we need more computers this will increase the cost. To avoid this we have designed an embedded device which is keypad based. This embedded device can be used to conduct online examination with only one desktop computer. The main objective of this system is to provide automated system that not only saves lot of time but also gives accurate and fast result with a higher security

Keywords: Raspberry pi, 7 Inches Touchpad LCD screen, PC, Wi-Fi dongle,etc.

 

Research Article  open access
Smes Traditional Packaging Technology as a Part of Building Brand Soul of Product
Peter Ardhianto || Alfons Christian Hardjana
Indonesia
Paper Indexed : : 03.3005/xxxxxxx
International Journal of Computational Engineering Resaerch, Volume 06 ~ Issue 07 (July 2016)

Abstract

Packaging is a container used to pack a product. The function of packaging is not only for container but also as the image formation and marketing. In Semarang, Indonesia, the usage of packaging has become a habit of perpetrators of SMEs, but they use shortcut in using media, material and shape of the packaging by reason of the price and ease of getting goods. In this study we will discuss the traditional packaging technology which is cheap and efficient with good function for SMEs, especially food products and a differentiator as well as building brand soul on SMEs products. This study uses research methodology with interviews with Entrepreneurships of Bureau of Cooperatives and Small-Medium Enterprises Semarang and observation on the perpetrators SMEs in traditional markets and souvenir center on Pandanaran street Semarang. And theory usage as a source of benchmark studies of traditional packaging technology. This research aims to develop the creativity of actors SMEs in technology to package their products.

Keywords:.................

 

Research Article  open access
Experimental Study Compared With American Code - Concrete- Filled – Double Skin Circular Tubular Steel Concrete Column
Usha Sivasankaran || Dr. Seetha Raman
India
Paper Indexed : : 03.3005/xxxxxxx
International Journal of Computational Engineering Resaerch, Volume 06 ~ Issue 07 (July 2016)

Abstract

Six Specimens with three different volume fractions of steel fibers are cast and tested. Experiments on circular steel tubes in – filled with steel fiber reinforced concrete (SFRC) and normal concrete have been performed to investigate the contribution of steel fibers to the load bearing capacity of Short Composite Columns . The main variable considered in the test study is the percentage of steel. Fibers added to the in –filled concrete. All the specimens were tested under axial failure state realization. This project presents the percentage Variation in the compression strengths of the 3 types of Composite members taken under Study. The results show that 1.5% SFRC in filled steel columns exhibit enhanced ultimate load carrying compression until capacity. Experimental studies compared with American code

Keywords:Structural optimization, Composite structure, Double column concrete

 

Research Article  open access
The Research of the Tracking and Traceability System for Vegetable Quality Assessment and Assurance
Hao Zhang || Xianghua Liu || Shihua Liu
China
Paper Indexed : : 03.3005/xxxxxxx
International Journal of Computational Engineering Resaerch, Volume 06 ~ Issue 07 (July 2016)

Abstract

The paper Proposed a tracking and traceability system for vegetable quality assessment and assurance. The system used coding technology to realize the total quality management and "from farm to table" tracking and tracing. Besides, the system provided automatic assessment of the quality of vegetables and intelligent guidance of planting vegetables. The paper firstly Studied the principle and model of the system, and then described the design and implementation of the system. Finally, some key issues of the system are discussed in detail.

Keywords:HACCP; Quality Assessment; Tracking and Traceability System; Supply Chain