186 results for “data transmission”

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Research ArticleOpen accessAll words, across the recordA LEADER BASED MONITORING APPROACH FOR SINKHOLE ATTACK IN WIRELESS SENSOR NETWORKD. Udaya Suriya Rajkumar, Rajamani VayanaperumalSecurity is one of an important factor to be considered seriously in wireless sensor networks. In WSN, in many ways intrusion may occur, in the past decades there is no perfect IDS, without any wasting of resources like time, energy, cost and number of physical items. The main objective is to ensure the security and improve the quality of network … …Journal of Computer Science, Vol. 9, Issue 9 · 6 Aug 2013 · 6,911 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordTRANSMISSION CONTROL PROTOCOL PERFORMANCE COMPARISON USING PIGGYBACK SCHEME IN WLANSAli Ahmad Milad, Zul Azri Bin Muhamad Noh, Abdul Samad Shibghatullah et al.The main problem at wireless networks is the overhead at MAC layer; when the data physical rate is increasing it causes increasing the overhead and decreasing at the MAC efficiency. In this study we study the performance comparison of TCP protocol in WLANs with and without using piggyback. The study of results concerning of implemented both mechanisms in NS2 simulator … …Journal of Computer Science, Vol. 9, Issue 8 · 2 Jul 2013 · 7,360 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordApplication of Newton Raphson Algorithm for Optimizing Transmission Control Protocol PerformanceJ. Viji Priya, S. SuppiahWireless networks are growing rapidly. TCP is the most widely-used protocol on Internet and so optimizing TCP performance is very important for fast efficient data transfer. The different existing TCP variants and solutions they have not been analyzed together to identify the bottlenecks in wireless networks. TCP has a major problem in its congestion control algorithm which does not allow … …Journal of Computer Science, Vol. 9, Issue 5 · 20 May 2013 · 6,302 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordThe Effect of the Harmonics, the Fault Location and the Fault Resistance on the Performance of the Impedance-Type Distance RelayA. S. Khraiwish, M. Alshamasin, R. Kassasbeh et al.One of today's trends is continuously increasing the number and the power ratings of the non-linear loads connected to the electric power systems. These non-linear loads, such as power-electronic converters, are the main source of the harmonics that affect the performance of the impedance-type distance relays. It was found that, in the presence of harmonics, undesired operation of such type … …American Journal of Applied Sciences, Vol. 6, Issue 4 · 30 Apr 2009 · 7,567 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordLow-Birth Weight and Pre-Term Delivery in Relation to Lopinavir/Ritonavir Use in PregnancyJorge Senise, Reisson Cruz, Ricardo Palacios et al.The toxic potential of nevirapine in pregnant women with CD4 count over 250 cells mm-3 and the unsatisfactory efficacy of nelfinavir in patients with baseline Viral Load (VL) over 100,000 copies mL-1 has prompted the use of Lopinavir/ritonavir (LPV/r) in selected situations. This study aims to assess safety of LPV/r in pregnancy. Medical records from pregnant women receiving LPV/r were … …American Journal of Infectious Diseases, Vol. 4, Issue 4 · 31 Dec 2008 · 6,954 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordFuture Medicine Services RoboticsRelly Victoria V. Petrescu, Raffaella Aversa, Antonio Apicella, Florian Ion T. PetrescuIt is an entry technique in use recently, albeit in selected centers and represents a further step in the field of minimally invasive surgery. Basically it has the same indications but, at present, is reserved for selected patients. Compared to traditional video-assisted surgery presents some important differences. The surgeon is physically distant from the operative field and sits at a … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 4 · 26 Nov 2016 · 8,889 accessesView PDF Cite