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12 results for “time synchronization”
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Research ArticleOpen accessIn the keywordsA Firefly-Inspired Scheme for Energy-Efficient Transmission Scheduling Using a Self-Organizing Method in a Wireless Sensor NetworksZeyad Ghaleb Al-Mekhlafi, Zurina Mohd Hanapi, Mohamed Othman, Zuriati Ahmad ZukarnainVarious types of natural phenomena are regarded as primary sources of information for artificial occurrences that involve spontaneous synchronization. Among the artificial occurrences that mimic natural phenomena are Wireless Sensor Networks (WSNs) and the Pulse Coupled Oscillator (PCO), which utilizes firefly synchronization for attracting mating partners. However, the PCO model was not appropriate for wireless sensor networks because sensor nodes … …Journal of Computer Science, Vol. 12, Issue 10 · 11 Dec 2016 · 7,710 accessesView PDFCite
Research ArticleOpen accessIn the keywordsOrthogonal Frequency Division Multiplexing Timing Synchronization in Multi-Band Orthogonal Frequency Division Multiplexing Ultra-Wideband SystemsAymen M. Karim, Md. Shabiul Islam, Masuri OthmanProblem statement: MB-OFDM UWB systems have attractive features and received a great attention. It has the capability of sending/receiving data at rates in access of 100 Mbits sec-1. Owing to the sensitivity of OFDM systems to synchronization errors, a fast synchronization algorithm is required to discern for the start of OFDM symbol. Existing approaches to OFDM time synchronization rely on … …American Journal of Applied Sciences, Vol. 7, Issue 3 · 31 Mar 2010 · 7,422 accessesView PDFCite
Research ArticleOpen accessIn the abstractParameters Assessment for Industrial 5G NetworksChristian Mailer, Alex Sandro Roschildt Pinto, Adao BoavaTheFifth Generation of Mobile Networks (5G) will allow low latency to be achievedwhile providing high reliability. This service grade will suit industrialapplications very well since it will allow the integration of a wirelessframework without compromising the determinism of industrial networks.Employing Time-Sensitive Networking (TSN) standards in the 5G architecture iscurrently the best solution to maintain compatibility with existing industrialimplementations and to … …Journal of Computer Science, Vol. 18, Issue 8 · 30 Aug 2022 · 5,989 accessesView PDFCite
Review ArticleOpen accessIn the abstractAnt Colony Optimization Approaches in Wireless Sensor Network: Performance EvaluationHusna Jamal Abdul Nasir, Ku Ruhana Ku-Mahamud, Eiji KamiokaWireless Sensor Network (WSN) has been widely implemented in large sectors such as military, habitat, business, industrial, health and environment. WSN is part of a distributed system where elements such as routing, load balancing, energy efficiency, node localization, time synchronization, data aggregation and security need to be addressed to improve its efficiency, robustness, extendibility, applicability and reliability. Despite multiple approaches … …Journal of Computer Science, Vol. 13, Issue 6 · 24 Jun 2017 · 8,533 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 · 8,109 accessesView PDFCite
Research ArticleOpen accessIn the abstractBioactive Factors of Colostrum and Human Milk Exhibits a Day-Night VariationNubia Andrade Silva, Adenilda Cristina Honorio-Franca, Fernanda Regina Giachini et al.The aim of this study was to determine the chronobiological variations of cytokines (IFN-γ, TGF-β) and hormones (melatonin and cortisol). The sample was collected from 42 mothers at three stages of maturity-day 3 (colostrum), day 10 (transitional milk) and day 30 (mature milk) postpartum, at two times of day: diurnal (12:00 h) and nocturnal (24:00 h), resulting a total of … …American Journal of Immunology, Vol. 9, Issue 2 · 25 Jun 2013 · 8,186 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Quasi Delay Insensitive Reduced Stack Pre-Charged Half Buffer based High Speed Adder using pipeline templates for Asynchronous CircuitsD. Jayanthi, M. RajaramProblem statement: Recent research in asynchronous design technique is making asynchronous circuits an increasingly practical alternative. These challenges include the increasing pressure for low power, the growing challenges of predicting the increasing impact of wire load and delay and the performance penalty associated with supporting communication between different clock domains Asynchronous is binary signals, but there is no common or … …Journal of Computer Science, Vol. 8, Issue 7 · 7 Jun 2012 · 7,078 accessesView PDFCite
Research ArticleOpen accessIn the abstractSynchronization of Chaos Systems Using Fuzzy LogicMohammad Ababneh, Issa Etier, Mahmoud Smadi, Jasim GhaebProblem statement: This study presented a new and systematic method to robustly synchronize uncertain chaos systems. It was derived based on the observer approach for synchronization, where error dynamics was made asymptotically stable around the zero to accomplish synchronization. Approach: This method viewed the synchronization problem as a control problem in order to make use of the literature available in … …Journal of Computer Science, Vol. 7, Issue 2 · 25 Feb 2011 · 7,642 accessesView PDFCite
Research ArticleOpen accessIn the abstractSecretary IgA Concentrations and plasma Cell Count Changes Associated with the Estrous Cycle in EwesMorteta H. AL-Medhtiy, A. B.Z. Zuki, M. M. Noordin, S. AgungpriyonoProblems statement: The level of uterine Secretory-IgA (S-IgA) and numbers of plasma cells was measured to observe the differences between two stages of estrous cycle (follicular and luteal phase) in the healthy cycling non pregnant ewes. Approach: Twelve ewes were used in this study and they were divided into two groups of 6 animals each according to the stages of … …American Journal of Animal and Veterinary Sciences, Vol. 4, Issue 1 · 31 Mar 2009 · 8,189 accessesView PDFCite
Research ArticleOpen accessIn the abstractProviding Reliability in Replicated Middleware ApplicationsR. Saravanan, N. RamarajProblem statement: Data inconsistency is raised in actively replicated environment due to non-determinism in the applications that defeats the purpose of replication as a fault-tolerance strategy. Approach: We proposed an efficient framework RTC which ensured determinism among the replicas in fault tolerance middleware applications. This method exploits the technique of statically analyzing the application source code of client and identifies … …Journal of Computer Science, Vol. 5, Issue 1 · 31 Jan 2009 · 8,696 accessesView PDFCite