Intelligent transport systems (ITS) are promising systems to give excellent solutions for many problems that we face in transport today. We propose an on-board network architecture based on optical IEEE P1394b to realize effective inter-vehicle communications and enable all equipment which freely add and remove to the intra-vehicle network. And according to the proposed architecture, we have developed a 500-Mbit/s low-cost optical transceiver for the intra- and inter-vehicle communication network using a commercially available plastic clad fiber. An LD for the compact disk drive and a large area photodiode were adopted as low-cost and high-speed optical devices, and a logic direct driving type simple circuit having temperature compensation function was developed. Simple assembly technologies such as plastic molding and optical element press-fitting were also developed for mounting to reduce assembly cost. The total cost of the fabricated optical transceiver can be reduced to less than 2/3 of the conventional one. We have performed transmission experiments and vibration tests using our optical transceivers that are mounted in on-board elements and connected to the on-board network, and have confirmed these stable operations. Experimental results show our proposed architecture and fabricated optical transceiver can play a key role in the intra- and inter-vehicle communication network.


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    Title :

    Intra- and inter-vehicle communication network using low-cost POF links


    Contributors:
    Fujimoto, N. (author) / Moriya, M. (author) / Ishizuka, A. (author) / Goto, M. (author)

    Published in:

    Publication date :

    2002


    Size :

    12 Seiten, 24 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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