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Research ArticleOpen accessAll words, across the recordPerformance Analysis of Orthogonal Frequency Division Multiplexing Based Bidirectional Relay Network in the Presence of Phase NoiseV. N. Senthil Kumaran, S. Rajkumar, S. J. ThiruvengadamIn this study, the performance of OFDM based bidirectional relay network which employs Physical Layer Network Coding (PLNC) is analyzed in the presence of phase noise. The bidirectional relay network is assumed to consist of two sources and a relay, where each node has a single antenna and operates in half duplex mode. The PLNC based OFDM system transmits high … …American Journal of Applied Sciences, Vol. 10, Issue 11 · 9 Sep 2013 · 6,644 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordNetwork Topological Property of English Dialects Similarity: A Robust Filter ApproachMaman Abdurachman Djauhari, Gan Siew LeeWe show that the common approach to use of Minimum Spanning Tree (MST) to filter the information contained in a complex system of English dialects similarity is not robust. Later on we propose a robust filter based on the forest of all possible MSTs. To illustrate the advantages of this filter, Morgan’s data on English dialects similarity is analyzed and … …American Journal of Applied Sciences, Vol. 10, Issue 7 · 17 Jun 2013 · 6,593 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordComparison and Analysis of Vertical Coherence in the Shallow Water of Two ocean regionV. G. Sivakumar, V. Rajendran, R. SaranyaNoise characteristics at shallow water is highly variable due to wave guide nature of the shallow water environment, reflection of noise from the bottom surface; due to biological activities and also due the sound speed in shallow water vary substantially. Thus noise field characterization is complex in shallow water. The ambient noise data was collected in the shallow water of … …American Journal of Applied Sciences, Vol. 10, Issue 6 · 5 Jun 2013 · 6,492 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordAverage Mutual Information Analysis of Multiple Input and Multiple Output System with Multihop Relaying in Wireless Communication SystemC. Poongodi, A. ShanmugamProblem statement: Multiple Input and Multiple Output (MIMO) system with Multihop relaying techhnique is significant and active areas of wireless communication. In a rich scattering environment MIMO antenna system provides better channel capacity and data rates than single antenna systems. To provide high throughput, reliable transmission and broad coverage, wireless relaying techniques are essential in a variety of applications. In … …American Journal of Applied Sciences, Vol. 9, Issue 10 · 25 Aug 2012 · 7,556 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordApplying Software Engineering Methodology for Designing Biomedical Software Devoted To Electronic InstrumentationGilsa Aparecida de Lima Machado, Patricia Mara Danella Zacaro, Alderico Rodrigues de Paula Junior, Marcelo Lopes de Oliveira e SouzaProblem statement: Significant effort goes into the development of biomedical software, which is integrated with computers/processors, sensors and electronic instrumentation devoted to a specific application. However, the scientific work on electronic instrumentation controlled by biomedical software has not emphasized software development, instead focusing mainly on electronics engineering. The development team is rarely composed of Software Engineering (SE) experts. Usually, a … …Journal of Computer Science, Vol. 8, Issue 10 · 23 Aug 2012 · 6,976 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordPreventing Injuries Via Innovative Investigations: Reviewing Dangerous Driving Research MethodsChris S. Dula, Russell Fox, Ashley Dickson et al.Dangerous driving behavior is particularly difficult to study for many reasons. Researchers must be creative to capture meaningful data, but innovative techniques often meet with problems that might be solved through the broader use by others. The researchers generally lack a central location from which to review and choose from past methods. This article reviews the techniques used to study … …Current Research in Psychology, Vol. 3, Issue 1 · 16 Jul 2012 · 7,287 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordFinite Element Analysis of Large Capacity Endplate Steel ConnectionsMohamed Eldemerdash, Taher Abu-Lebdeh, Moayyad Al NasraProblem statement: Extended endplate connection is one of the most widely used beam-to column steel connections because of its fabrication simplicity, good overall performance and cost effectiveness compared with other connection types. The objective of this research is to develop three-dimensional finite element models to study the behavior of large capacity eight-bolt extended un-stiffened wide endplate steel connections, using current-technology … …Journal of Computer Science, Vol. 8, Issue 4 · 28 Jan 2012 · 6,915 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordA Note on the Analysis of Time Cost by Difference of Transaction System in the Agricultural Wholesale Market of KoreaYoon-Doo Kim, Seok YoonProblem statement: The purpose of this study is to prove objectively that the market-wholesaler system, introduced to agricultural wholesale market in Korea for the first time, has better operational efficiency than the existing auction system. From an analytical viewpoint, we estimated the time value of two transaction systems at the agricultural wholesale market using the calculation methods of the congestion … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 1 · 23 Jan 2012 · 7,706 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordCost Efficiencies and Rankings of Flagship UniversitiesG. Thomas SavProblem statement: Each state in the U.S. touts a premier university as the flagship of its publicly funded higher education system. With decreased government budgets and increased interest in public management reforms, these institutions are being pressured to provide evidence of and set examples for ever greater improvements in operating cost efficiencies. The problem, however, is that empirical measures of … …American Journal of Economics and Business Administration, Vol. 3, Issue 4 · 20 Jan 2012 · 7,507 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordNew Mersenne Number Transform Diffusion Power AnalysisM. F. Al-Gailani, S. BoussaktaProblem statement: Due to significant developments in the processing power and parallel processing technologies, the existing encryption algorithms are increasingly susceptible to attacks, such as side-channel attacks, for example. Designing new encryption algorithms that work efficiently on different platforms and security levels to protect the transmitted data from any possible attacks is one of the most important issues in today’s … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 12 Jan 2012 · 7,454 accessesView PDFCite