Timing and Synchronization with Propagation Delay Symmetry and Originated Slave Clock Frequency for Ubiquitous Computing
Time and frequency alignment is critical for ensuring QoS for application such as voice, real-time video, wireless hand-off, and data over a converged access medium. To satisfy the accuracy of time synchronization, both adjusting Communication path asymmetry and ratio of frequency between the time-a...
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| creator | Sunghwan Kang Jeong-Gyun Ahn Yong-Sik Kwon Jong-Hoon Eom Sung-Ho Kim |
| description | Time and frequency alignment is critical for ensuring QoS for application such as voice, real-time video, wireless hand-off, and data over a converged access medium. To satisfy the accuracy of time synchronization, both adjusting Communication path asymmetry and ratio of frequency between the time-aware systems are important. Network Time Protocol (NTP) is not satisfies time-sensitive applications. IEEE 1588 Precision Time Protocol (PTP) and IEEE 802.1AS don' t calculate the communication path asymmetry. We propose the Single-TimeSync frame for reducing the number of control frames, adjusting propagation delay asymmetry and ratio of frequency originated with slave time-aware station clock. We simulate with base model in OPNET. |
| doi_str_mv | 10.1109/CISIS.2010.40 |
| format | Conference Proceeding |
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| ispartof | 2010 International Conference on Complex, Intelligent and Software Intensive Systems, 2010, p.764-769 |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Access protocols clock frequency ratio adjustment Clocks Consumer electronics Frequency synchronization Home automation IEEE 802.1AS Jitter Propagation delay propagation delay symmetry Quality of service Timing timing and synchronization Ubiquitous computing |
| title | Timing and Synchronization with Propagation Delay Symmetry and Originated Slave Clock Frequency for Ubiquitous Computing |
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