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Cycle Time Synchronization Technique for IEEE 1394 over UWB Network

Seong-Hee PARK, Sang-Sung CHOI, Je-Hoon LEE

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Summary :

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.

Publication
IEICE TRANSACTIONS on Communications Vol.E92-B No.9 pp.2939-2945
Publication Date
2009/09/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E92.B.2939
Type of Manuscript
PAPER
Category
Multimedia Systems for Communications

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