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Optical fiber data bus modulation techniques for military avionics

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1 Author(s)
Jian-Guo Zhang ; Sch. of Adv. Technol., Asian Inst. of Technol., Pathumthani, Thailand

In this paper, we propose several modulation techniques for use in military avionics optical fiber data buses, namely, Extended Manchester II Bi-Phase Coding with Beginning-Stopping Flags, Partial Trilevel Manchester II Bi-Phase Coding, Four-ary Pulse Width Modulation, Two-ary Pulse Width Modulation with Amplitude-Distinguished Sync Field, Two-ary Message Pulse Width Modulation and Two-ary Sync Pulse Amplitude Modulation, respectively. Compared with an existing modulation scheme of MIL-STD-1773 avionics data buses, the proposed techniques can be effectively used to overcome the difficulty in recognizing the correct operation states of an active transmitter at the output of optical receivers. The feasibility of proposed modulation schemes are discussed, and their performance is also evaluated

Published in:

IEEE Aerospace and Electronic Systems Magazine  (Volume:14 ,  Issue: 4 )