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Research ArticleOpen accessIn the abstractA Review on OFDM and PAPR Reduction TechniquesArun Kumar, Manisha GuptaOFDM is a multi carrier transmission technique where a single set of data is transmitted over a number of sub-carrier. OFDM takes the advantage of multi-path propagation and reduces the fading effect. The idea of OFDM is to split the total transmission bandwidth into a number of orthogonal subcarriers which reduces the inter-symbol-interference, power consumption and increases the capacity and … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 2 · 4 Jun 2015 · 8,401 accessesView PDFCite
Research ArticleOpen accessIn the abstractSimplified Analysis of the Lining Behavior During Earthquakes in Deep Rock TunnelsPierpaolo OresteThe sizing of the lining of a tunnel requires to consider not only the static loads transmitted from the surrounding rock, but also the effects of earthquakes on the stresses and strains of the lining. The detailed evaluation of the interaction earthquake-lining using numerical methods typically requires very long calculation time and can be limited to the verification of the … …American Journal of Applied Sciences, Vol. 12, Issue 3 · 4 May 2015 · 6,905 accessesView PDFCite
Research ArticleOpen accessIn the abstractNew Solution for Reducing Doppler Shift in the MB-OFDM System Over High Mobility Multipath Channel for V&I CommunicationSanaa Kabil, Raja Elassali, Fouzia Elbahhar et al.The MB-OFDM has been proposed as a good candidate to ensure Vehicle to Infrastructure communication (V&I). Fast moving vehicles present challenges for the proposed system especially for high mobility (250 km h-1). The main objective in this study is to study and investigate the impact of Doppler shift on the quality of transmitted/received signal in terms of Bit Error Rate … …American Journal of Applied Sciences, Vol. 12, Issue 3 · 29 Apr 2015 · 7,175 accessesView PDFCite
Case ReportOpen accessIn the abstractNew World Mucocutaneous Leishmaniasis with Oral Manifestations: Case Report and Damage RepairManuel Antonio Gordón-Núñez, Stefânia Jeronimo Ferreira, Ana Luiza Dias Leite de Andrade et al.New World cutaneous leishmaniasis is an infectious and parasitic disease caused by protozoan species of the genus Leishmania. The disease is transmitted by the biteoffemaleinsects of the genus Lutzomyia and is endemic in some countries of the New World, including Bolivia, Peru and Brazil. The diagnosis of New World mucocutaneous leishmaniasis encompasses epidemiological, clinical and laboratory aspects. Usually, the combination … …American Journal of Infectious Diseases, Vol. 10, Issue 4 · 20 Feb 2015 · 7,013 accessesView PDFCite
Research ArticleOpen accessIn the abstractPrevalence of Escherichia Coli in Some Selected Foods and Children Stools with Special Reference to Molecular Characterization of Enterohemorrhagic StrainR. Farhan, S. Abdalla, H. A. Abdelrahaman et al.Escherichia coli is one of the most important etiologic agents of childhood diarrhea that represents a major public health problem in developing countries and now is being recognized as emerging entero-pathogens in the well developed countries. Among the diarrhegenic Escherichia Coli (DEC) this work was focused on the Enterohemorrhagic Escherichia Coli (EHEC) that produce Shigatoxins (Stxs). The infection is mainly … …American Journal of Animal and Veterinary Sciences, Vol. 9, Issue 4 · 23 Dec 2014 · 7,878 accessesView PDFCite
Research ArticleOpen accessIn the abstractTHROUGHPUT AND BIT ERROR RATE ANALYSIS OF LUBY TRANSFORM CODES WITH LOW AND MEDIUM NODAL DEGREE DISTRIBUTIONSI. Joe Louis Paul, S. Radha, J. RajaThis study presents two degree distributions namely low and medium nodal degree distributions aiming to build a low overhead Luby Transform (LT) codes. The motivation is to design a fast encoder/decoder especially for real-time multimedia streaming and multicasting applications using LT codes. The key idea of this study is to restrict the average degree of the transmitted encoded symbols as … …American Journal of Applied Sciences, Vol. 11, Issue 9 · 12 Aug 2014 · 6,617 accessesView PDFCite
Research ArticleOpen accessIn the abstractINTRUSION DETECTION IN MOBILE AD HOC NETWORK USING SECURE ROUTING FOR ATTACKER IDENTIFICATION PROTOCOLS. Gopalakrishnan, P. GaneshkumarIn past few decades, the migration of communication takes place from wired networks to wireless networks because of its mobility and scalability and Mobile Ad hoc Network (MANET) is a unique and significant application in recent years which does not necessitates any pre-existing network infrastructure. Each node can act as both transmitters as well as receivers that are communicating with … …American Journal of Applied Sciences, Vol. 11, Issue 8 · 29 May 2014 · 6,722 accessesView PDFCite
Research ArticleOpen accessIn the abstractENTERIC PATHOGENS OF DOGS AND CATS WITH PUBLIC HEALTH IMPLICATIONSM. Kantere, L. V. Athanasiou, D. C. Chatzopoulos et al.Dogs and cats play an important role in modern society, enhancing the psychological and physiological well-being of many people. However, there are well-documented health risks associated with human animal interactions. More specifically, enteric pathogens of zoonotic risk which are transmitted by feces of dogs and cats can be grouped as follows: (a) Parasites such as Toxocara canis, T. cati, Ancylostoma … …American Journal of Animal and Veterinary Sciences, Vol. 9, Issue 2 · 15 Apr 2014 · 8,402 accessesView PDFCite
Research ArticleOpen accessIn the abstractA TIME SYNCHRONIZED HYBRID VEHICULAR AD HOC NETWORK OF ROADSIDE SENSORS AND VEHICLES FOR SAFE DRIVINGDahlia Sam, V. Cyril RajVANET is a type of ad hoc network in which the moving vehicles act as nodes. There has been lot of research for using VANETs in many applications. One of the main applications is the use of VANETs to improve driving safety. In any safety related applications, the vehicular nodes have to constantly communicate with each other and the roadside … …Journal of Computer Science, Vol. 10, Issue 9 · 10 Apr 2014 · 8,116 accessesView PDFCite
Research ArticleOpen accessIn the abstractMODULATION IDENTIFICATION AND HAMMING ENCODING TECHNIQUE IMPLEMENTED IN SOFTWARE-DEFINED RADIOS. Ravi, M. Anand, S. Leones Sherwin Vimalraj, V. KannanIn SDR, it is advantageous if the data is transmitted using the best among the various modulation techniques with respect to SNR. The receiver has the ability to automatically identify the modulation technique and demodulate it. This process involves a novel method where a pilot sequence helps in identifying the type of modulation at the receiver. Ten modulation techniques are … …American Journal of Applied Sciences, Vol. 11, Issue 4 · 8 Feb 2014 · 6,895 accessesView PDFCite