'Clock drift' diaporamas de présentation

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [STMicroelectronics proposal for IEEE 802.15.3a Alt PHY ] Date Submitted: [18 July, 2003] Source: [ Didier Helal (Primary) Philippe Rouzet (Secondary) ] Company [ STMicroelectronics ]

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Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [STMicroelectronics proposal for IEEE 802.15.3a Alt PHY ] Date Submitted: [14 July, 2003] Source: [ Didier Helal (Primary) Philippe Rouzet (Secondary) ] Company [ STMicroelectronics ]

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Time Synchronization

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TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: A A A A A A A

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Clock Synchronization Chapter 8

Clock Synchronization Chapter 8. TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: A A A A A. Clock Synchronization. Rating. Area maturity Practical importance Theory appeal. First steps Text book.

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Time and Global States

Time and Global States. based on Distributed Systems: Concepts and Design, Edition 5 Ali Fanian Isfahan University of Technology www.Fanian.iut.ac.ir. Titles. Introduction Clocks, events and process states Synchronizing physical clocks Logical time and logical clocks

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Clock Synchronization Chapter 9

Clock Synchronization Chapter 9. TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: A A A A A. Clock Synchronization. Rating. Area maturity Practical importance Theory appeal.

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Clock Synchronization Chapter 9

Clock Synchronization Chapter 9. TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: A A A A A. Acoustic Detection (Shooter Detection). Sound travels much slower than radio signal (331 m/s) This allows for quite accurate distance estimation (cm)

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CPSC 689: Discrete Algorithms for Mobile and Wireless Systems

CPSC 689: Discrete Algorithms for Mobile and Wireless Systems. Spring 2009 Prof. Jennifer Welch. Lecture 6. Topics: Time Synchronization Sources: Elson et al. paper Karp et al. paper MIT 6.885 Fall 2008 slides. Clock Synchronization. Nodes have individual clocks

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A Flexible Joining Mechanism in EDR+ Network

A Flexible Joining Mechanism in EDR+ Network. Jungmee Yun, Daehwan Kim Korea Electronics Technology Institute. ? ??. Outline. Abstract Introduction A limit of scatternet implementation Conclusions. Abstract.

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TIME, CLOCKS AND THE ORDERING OF EVENTS IN A DISTRIBUTED SYSTEM

TIME, CLOCKS AND THE ORDERING OF EVENTS IN A DISTRIBUTED SYSTEM. L. Lamport Computer Science Laboratory SRI International. THE PAPER. Addresses the problem of clock drift in distributed systems Identify main function of computer clocks to order events

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ECE 428/CS 425 Distributed Systems

ECE 428/CS 425 Distributed Systems. Lecture 2 Time & Synchronization. Why synchronization?. Two sharpshooters in a multiplayer online game kill the same target. Which one gets the points? Synchronization required for Fairness Correctness!. Processes and Events.

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ECE 428/CS 425 Distributed Systems

ECE 428/CS 425 Distributed Systems. Lecture 2 Time & Synchronization. Why synchronization?. Two sharpshooters in a multiplayer online game kill the same target. Which one gets the points? Synchronization required for Fairness Correctness!. Processes and Events.

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Indoor Residual Spraying (IRS) GIS Training and Spray Area Mapping Basics of Global Positioning Systems (GPS)

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Living with FITS

Living with FITS. Brief overview of FITS files, contents of the principal FITS files for DC1, some specific tips and tools for dealing with FITS. Seth Digel, HEPL/Stanford Univ. Introduction.

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Physical Clocks

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Harnessing Programmable SoCs to Develop Cost-effective Network Quality Monitoring Devices

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Harnessing Programmable SoCs to Develop Cost-effective Network Quality Monitoring Devices

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Computer Science 425 Distributed Systems CS 425 / ECE 428

Computer Science 425 Distributed Systems CS 425 / ECE 428. ? 2013, I. Gupta, K. Nahrtstedt, S. Mitra, N. Vaidya, M. T. Harandi, J. Hou. In a distributed system, each process has its own physical clock. Clock Skew versus Drift Clock Skew = Relative Difference in clock values of two processes

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