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�������պ����ѧѧ�� 2006, Vol. 32 Issue (11) :1390-1394    DOI:
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�Ŵ���, ʷ����, �ξ�Զ, ������*
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Fiber-optic network architecture and technology for avionics systems
Zhang Chunxi, Shi Jieqin, Duan Jingyuan, Yang Yusheng*
School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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�ؼ����� ���յ���   ����ͨ��ϵͳ   �ֲ�ʽ��������   IEEE 1394b   �༶�ݴ�     
Abstract�� In advanced avionics systems, the date communication system requires high speed and hybrid traffic. A scheme of distributed fiber-optic network system was presented based on the design consideration of distributed control, real-time access and fault-tolerance. Along with designing the architecture and choosing the protocol, the critical technology points of the scheme were analyzed emphatically, including fiber-optic links, media access control(MAC) protocol, fault- tolerance, topology technology and network management software. The analysis result indicates that the distributed fiber-optic network based on IEEE 1394b bus can provide deterministic and reliable communication in which the Gb/s fiber-optic link can meet the necessary of bit error rate (BER) with abundant link margin of 13��dB. Therefore it has advantages of high bandwidth, low delay and flexible expandability.
Keywords�� avionics   data communication systems   distributed fiber-optic network   IEEE 1394b   multi-layer fault-tolerance     
Received 2006-04-30;


About author: �Ŵ���(1965-),��,����������,����,zchunxi@hotmail.com.
�Ŵ���, ʷ����, �ξ�Զ, ������.���յ���ϵͳ�Ĺ�������ṹ�뼼��[J]  �������պ����ѧѧ��, 2006,V32(11): 1390-1394
Zhang Chunxi, Shi Jieqin, Duan Jingyuan, Yang Yusheng.Fiber-optic network architecture and technology for avionics systems[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2006,V32(11): 1390-1394
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