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�������պ����ѧѧ�� 2009, Vol. 35 Issue (11) :1408-1412    DOI:
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���յ���WDM�����ʵʱ���ܷ���
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2. ij��װ����չ�칫��, ���� 100073
Real-time performance evaluation in WDM networks for avionics
Zhou Li1, Zhao Ran2, Yu Hang2, Xiong Huagang1*
1. School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China;
2. A Department of Equipment and Development, Beijing 100073,China

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ժҪ �Ժ��յ��Ӳ��ָ���(WDM,Wavelength Division Multiplexing)����ʵʱ����������,����������������,�����һ��������Ϣ��WDM�����������϶����˶Զ�����ӳٵļ��㷽��.�����˲���·����WDM����ģ��,��������Ϣ���˶Զ��ӳٵ���ɲ���.����������������µ�WDM����ͨ��ģ��,�Ƶ�����Ϣ�����ڵ�Ͷ�ڵ㲨��·����������ӳٵļ��㹫ʽ.�����ʵ�ʺ��յ���ϵͳ�Թ�ʽ����������,�����ͻ���ȹ��������.���յõ�����ӳٵĽ�������.�����OPNET���滷������֤�˼��������������Ч��.
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Abstract�� To solve real-time performance evaluation problem in avionics wavelength division multiplexing (WDM) network, a method of end-to-end maximum delay calculation during multihop period message transmitting in WDM virtual topology was provided, based on network calculus analysis theory. A network model of the wavelength routing WDM networks was built, and then the composed parts of the end-to-end delay were analyzed. Concerning the communication model of the wavelength routing WDM networks based network calculus analysis theory, a concisely analytical expression was derived for message maximum delay passing through single and multiple wavelength routers. And then treatments of the expression which resolving the problem of the overextended burst were modified to obtain the closed upper bound of maximum delay according to the actual system of avionics. Finally, the evaluated method was testified by the simulation results on OPNET.
Keywords�� wavelength division multiplexing   avionics   network performance   real time systems     
Received 2009-03-03;
Fund:

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About author: �� ��(1980-),Ů,���ϰ�����,��ʿ��,birdinskyzl@ee.buaa.edu.cn.
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�� ��, �� Ȼ, �� ��,�ܻ���.���յ���WDM�����ʵʱ���ܷ���[J]  �������պ����ѧѧ��, 2009,V35(11): 1408-1412
Zhou Li, Zhao Ran, Yu Hang, Xiong Huagang.Real-time performance evaluation in WDM networks for avionics[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(11): 1408-1412
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