15 September 2004 Extending MIL-STD-1553 bandwidth: a study of impairments, EMI, and channel capacity
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Abstract
This paper explores the possibility of increasing the data rates on existing MIL-STD-1553 networks beyond its current one megabit per second rate. A combination of empirical and theoretical methods is used in predicting the capacity of a MIL-STD-1553 network. The analysis begins with an assessment of the usable bandwidth in a 1553 network followed by the development of models to predict signal-to-noise ratios based on a transmit signal level that meets the emissions limits of MIL-STD-461 and a noise level that is representative of a real 1553 system. This paper presents the theoretical capacity limits for several 1553 network configurations. The results of the analysis predict that the theoretical capacity within a legacy MIL-STD-1553 system is expected to be several hundred megabits per second. The achievable rate depends on network configuration and usable bandwidth. Methods of approaching these theoretical capacity limits is not discussed in this paper, rather, this paper provides a framework and a baseline for the analysis of higher data rates over legacy MIL-STD-1553 networks.
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Michael G. Hegarty, Michael G. Hegarty, } "Extending MIL-STD-1553 bandwidth: a study of impairments, EMI, and channel capacity", Proc. SPIE 5443, Defense, Security, and Cockpit Displays, (15 September 2004); doi: 10.1117/12.561283; https://doi.org/10.1117/12.561283
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