Frame synchronization of satellite based on AIS signals

Shexiang Ma; Dawei Zhao

doi:10.1117/12.2262258

1 December 2016 Frame synchronization of satellite based on AIS signals

Shexiang Ma, Dawei Zhao

Proceedings Volume 9902, Fourth International Conference on Wireless and Optical Communications; 990218 (2016) https://doi.org/10.1117/12.2262258
Event: Fourth International Conference on Wireless and Optical Communications, 2016, Beijing, China

Abstract

Frame synchronization play a very important role in coding of AIS. There are much arithmetic like maximum-likelihood, correlation and so on. But most of those cannot achieve good performance with large frequency offset. As satellite-based AIS system exist larger time delay and Doppler frequency offset, this paper propose arithmetic of frame synchronization. It is based on folding auto-correlation, where the top half and second half of training sequence have largest correlation after it is modulated by GMSK. Simulation experiments indicate that this arithmetic has good anti-frequency-offset performance.

Citation Download Citation

Shexiang Ma and Dawei Zhao "Frame synchronization of satellite based on AIS signals", Proc. SPIE 9902, Fourth International Conference on Wireless and Optical Communications, 990218 (1 December 2016); https://doi.org/10.1117/12.2262258

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