PPT-Clock Synchronization in Sensor Networks for Civil Security

Farnaz Moradi Asrin Javaheri Outline Wireless sensor networks Surveillance Applications Clock synchronization Synchronization algorithms RBS FTSP Implementation Performance Evaluation. eeethzch Abstract Clock synchronization is one of the most basic building blocks for many applications in computer science and engineering The purpose of clock synchronization is to provide the constituent parts of a distributed system with a common g shooter detection Goals of clock synchronization Compensate offset between clocks Compensate drift between clocks terms are explained on following slides Time Synchronization Sensing Localization Duty Cycling TDMA Ad Hoc and Sensor Networks Roger W Johnson Department of Computer Science Rice University Houston Texas Abstract Recent advances in technology have made low cost low power wireless sensors a reality Clock synchronization is an important service in any distributed system including sen Susmitha. . kota. . 21-sep-2015. AGENDA. Introduction. Synchronization. Physical Clocks. Global Positioning System. Algorithms. Future Work. References. Introduction: Real . Time System. Clock. . Synchronization. in Wireless Sensor Networks. Philipp Sommer. Roger Wattenhofer. Time Synchronization is a well-studied Problem. Time, Clocks, and the Ordering of Events in a Distributed System. John A. . Stankovic. Presented by:. Sandeep. . reddy. . allu. The technologies for wireless communication, sensing, . and . computation are each progressing at faster and faster . rates. . Notably, they are also being combined for an . . kota. . 21-sep-2015. AGENDA. Introduction. Synchronization. Physical Clocks. Global Positioning System. Algorithms. Future Work. References. Introduction: Real . Time System. 1. . A . deepika. . gopala. . AGENDA. Introduction. Clock Synchronization. Physical Clocks. Global Positioning System. Algorithms. References. Introduction: Synchronization. Communication is important, but how processes synchronize and cooperate with each other is also important.. Tan. 2*. . David Yau. 1,3. 1. Advanced Digital Sciences Center (ADSC), Illinois at Singapore. 2. Nanyang Technological University, Singapore. 3. Singapore University of Technology and Design; . fonts used in EMF. . Read the TexPoint manual before you delete this box.: . A. A. A. A. A. Motivation. Clock . Sources & Hardware. Single-Hop Clock Synchronization. Clock Synchronization in Networks. Security. Babak . D. Beheshti. Professor & Associate Dean,. School . of Engineering & Computing . Sciences, New . York Institute of Technology. Old Westbury, NY, USA. Presenter and Date. Agenda. in Wireless Sensor Networks. Philipp Sommer. Roger Wattenhofer. Time Synchronization is a well-studied Problem. Time, Clocks, and the Ordering of Events in a Distributed System. L. Lamport, Communications of the ACM, 1978.. Time and Clock Time and Clock Primary standard of time = rotation of earth De facto primary standard = atomic clock (1 atomic second = 9,192,631,770 orbital transitions of Cesium 133 atom. Time and Clock Time and Clock Primary standard of time = rotation of earth De facto primary standard = atomic clock (1 atomic second = 9,192,631,770 orbital transitions of Cesium 133 atom.