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In this paper, we optimized FTSP for clock drift management using Particle Swarm Optimization (PSO), Variant of PSO and Differential Evolution (DE). The paper estimates the clock offset, clock skew, generates linear line and optimizes the value of average time synchronization error using PSO, Variant of PSO and DE. In this paper we present implementation and experimental results that produces reduced average time synchronization error using PSO, Variant of PSO and DE, compared to that of linear regression used in FTSP.<\/p>","DOI":"10.4018\/jitr.2012100104","type":"journal-article","created":{"date-parts":[[2013,4,9]],"date-time":"2013-04-09T14:39:08Z","timestamp":1365518348000},"page":"48-62","source":"Crossref","is-referenced-by-count":0,"title":["Clock Drift Management Using Nature Inspired Algorithms"],"prefix":"10.4018","volume":"5","author":[{"given":"Prakash","family":"Tekchandani","sequence":"first","affiliation":[{"name":"ABV-Indian Institute of Information Technology and Management, Gwalior, Madhya Pradesh, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aditya","family":"Trivedi","sequence":"additional","affiliation":[{"name":"ABV-Indian Institute of Information Technology and Management, Gwalior, Madhya Pradesh, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"key":"jitr.2012100104-0","doi-asserted-by":"publisher","DOI":"10.1109\/TEVC.2006.872133"},{"key":"jitr.2012100104-1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-642-00267-0"},{"key":"jitr.2012100104-2","first-page":"84","article-title":"Comparing inertia weights and constriction factors in particle swarm optimization.","volume":"1","author":"R. 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