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Cycle Time Synchronization Technique for IEEE 1394 over UWB Network
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- Authors
- Seong Hee Park, Sang Sung Choi, Je Hoon Lee
- Issue Date
- 2009-09
- Citation
- IEICE Transactions on Communications, v.E92-B, no.9, pp.2939-2945
- ISSN
- 0916-8516
- Publisher
- 일본, 전자정보통신학회 (IEICE)
- Language
- English
- Type
- Journal Article
- Abstract
- This paper presents a new cycle time synchronization method to transmit isochronous multimedia data by real time in IEEE 1394 over a UWB (ultra wide-band) network. The 1394 TA recommended two methods for the cycle time synchronization. The first method must use two consecutive beacon signals to calculate a drift correction, while the second one eliminates this dependency with minor algorithm changes. As experimental results, the second method achieves 21% performance improvement over the first one. The receipt of two consecutive beacons every time is hard due to the noise in a wireless channel. In addition, this paper provides the procedure of cycle time synchronization, as well as the transaction between 1394 protocol adaptation layer and IEEE 802.15.3 media access layer. The proposed synchronization technique will contribute to transfer isochronous data at IEEE 1394 over UWB audio/visual appliances such as camcorder, HDTV, etc. Copyright © 2009 The Institute of Electronics, Information and Communication Engineers.
- KSP Keywords
- Adaptation Layer, Drift correction, IEEE 1394, IEEE 802.15.3, Information and communication, Media access layer, Multimedia data, Real-time, Time synchronization, Ultra wide band(UWB), Wireless Channel