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88 articles for “Multiplex”
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Research ArticleOpen accessIn the keywordsHARDWARE REALIZATION OF HIGH SPEED ELLIPTIC CURVE POINT MULTIPLICATION USING PRECOMPUTATION OVER GF(P)N. Shylashree, V. SridharTwo new theoretical approaches for the hardware realization of high speed elliptic curve point multiplication over a prime field (GF(p)) are presented. These hardware implementations use multiple units of elliptic curve point doublers, point adders and multiplexers. The modular hardware approach used here provides high speed and scalability. …Journal of Computer Science, Vol. 10, Issue 7 · 4 Feb 2014 · 6,614 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDistributed Amplify and Forward Cooperation While Maintaining Transmission FreedomL. Chen, R. Carrasco, I. WassellProblem statement: This study proposes a novel Distributed Amplify and-Forward (DAF) cooperative scheme, achieving higher diversity order and yet maintaining the same transmission freedom as the conventional Amplify-and-Forward (AF) scheme. In the DAF scheme, a user’s transmitted symbols are partitioned into several sequences in order to be relayed by different users. Approach: In the cooperative network, each user still uses … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 2 Aug 2012 · 7,379 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCustomer-Made 3×3 Polymer Optical Fiber Splitter Based on Green Technology using Fusion TechniqueMohammad Syuhaimi Ab-Rahman, Nik Nur Syahirah Mohammad, Hadi Guna et al.Problem statement: Polymer Optical Fiber (POF) has many advantages making it the choice of today’s communication, especially in automotive industry. This communication requires low cost ways for much information to be sent simultaneously. Because of this, using Wavelength Division Multiplexing (WDM) concept, a low cost and green 3×3 POF splitter is fabricated. It is fabricated using cheap and easy-to-find tools … …Journal of Computer Science, Vol. 8, Issue 4 · 11 Feb 2012 · 6,848 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPerformance Analysis of Different Optical Switching ArchitecturesSalman Ali Al-QahtaniProblem statement: Optical Packet Switching (OPS) and transmission networks based on Wavelength Division Multiplexing (WDM) have been increasingly deployed in the Internet infrastructure over the last decade in order to meet the huge increasing demand for bandwidth. Several different technologies have been developed for optical packet switching such as space switches, broadcast-and-select, input buffered switches and output buffered switches. These … …Journal of Computer Science, Vol. 7, Issue 8 · 14 Jul 2011 · 6,334 accessesView PDFCite
Research ArticleOpen accessIn the keywordsUsing Combinational Circuits for Control PurposesMaher A. Nabulsi, Mohammed A.F. Al-HusainyProblem statement: Combinational circuits are used in computers for generating binary control decisions and for providing digital components for data processing. Approach: The use of combinational circuits and logic gates to control other circuits was discussed. Different systems that use logic gates, multiplexers, decoders and encoders to control different circuits were presented. This study presented a design and implementation of … …Journal of Computer Science, Vol. 5, Issue 7 · 31 Jul 2009 · 7,242 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Relationship between Exclusive-Or and the Unique Existential QuantifierM. A. Nabulsi, A. M. AbdallaProblem Statement: The efficiency of computer architecture design is affected by the components used. Establishing a relationship between exclusive-or (XOR) and the unique existential quantifier provides alternative system implementations. Approach: Applications of XOR and the unique existential quantifier were explained. Then, prepositional logic was used to establish the relationship between them. Results: Different quantified assertions with two variables that use … …Journal of Computer Science, Vol. 4, Issue 9 · 30 Sep 2008 · 7,475 accessesView PDFCite
Short CommunicationsOpen accessIn the keywordsMolecular Testing for Respiratory Tract Infections May Have Favorable Impact on Real-world Healthcare CostsAzia Evans, Vijay Singh, Pallavi Upadhyay et al.Molecular testing by Polymerase Chain Reaction (PCR) has improved diagnostic performance to inform appropriate treatment. However, its impact on healthcare utilization and costs related to respiratory tract infections are yet to be studied in detail. The aim of this study is to evaluate the costs of healthcare utilization following traditional culture and molecular PCR diagnostic testing for respiratory tract infections. … …American Journal of Infectious Diseases, Vol. 20, Issue 3 · 15 Jan 2025 · 5,264 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThrombophilic Genes Mutations in Women with Repeated In-Vitro Fertilization FailureNaglaa Fathy Al Husseini, Ahmad Y. Rezk, Mosad M. Odah et al.Problem statement: Thrombophilia has been recently implicated in early pregnancy loss and IVF implantation failure, by impairing the initial vascularization process occurring at implantation, which is necessary for a successful pregnancy. Approach: The aim of this study is to assess the presence possibility of mutation in thrombophilic genes [Factor V (FV) gene, Prothrombin (PT) gene and Methylenetetrahydrofolate Reductase (MTHFR) gene] … …Current Research in Medicine, Vol. 2, Issue 1 · 29 Mar 2011 · 7,667 accessesView PDFCite
Research ArticleOpen accessIn the keywordsMetro Access Convergence for Broadband Future Low Energy Consumption NetworksG.M. Tosi Beleffi, E. Leitgeb, G. Incerti et al.Problem statement: In study the impact of the optical technologies and infrastructures on the reduction of the carbon footprint maintaining high level of broadband to the end user is discussed. Approach: Authors analyze the main energy consumers in Core, Metro and Access Networks as well as the topology and the performaces of the EU FP7 SARDANA Project, a long reach … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 12 Jan 2012 · 7,648 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPerformance Analysis of Global Search Algorithm Based Multiuser Detector for Multi Carrier Code Division Multiple Access System under Clipping NoiseS. Sivanesskumar, R. SukaneshProblem statement: Multi Carrier Code Division Multiple Access (MC-CDMA), a promising technology for the 4G communication systems. The major limitation of MC-CDMA system is the Multiple Access Interference (MAI) which is due to near-far effect, frequency offset and nonlinear power amplification due to clipping noise. Approach: The performance of MC-CDMA under clipping noise using Global search algorithm based Multiuser detector … …Journal of Computer Science, Vol. 7, Issue 5 · 7 May 2011 · 6,690 accessesView PDFCite