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Design and Simulation of Synchronization Algorithm for Short Time Burst- Mode GMSK Signal

  • Guoshuai Ren*
  • , Wenquan Feng
  • , Xi Liu
  • *Corresponding author for this work
  • Beihang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The AIS (Automatic Identification System) is a marine monitoring system with means of detection capabilities, providing multi-user applications for offshore services. The satellite-based AIS system send the received AIS signals for analysis by one or more low orbit satellites. The satellite-based AIS is a new navigation aid system which can be used as a complement to navigation system. The AIS system is a Non-real-time communication system, using GMSK modulation. The reception of short time burst AIS signal is facing frame synchronization, Doppler shift compensation, phase compensation, delay spread and other issues. This paper describes an innovative synchronization algorithm for the short burst-mode GMSK signal. There are several advantages of this synchronization algorithm. The signal is processed in real time. It voids the loss of data caused by commonly used loop structure. The devised algorithm provides an excellent performance against noise, delay spread, frequency offset and phase offset. The demodulator using this synchronization algorithm shows that the bit error’s performance degradation is only about 0.3 dB.

Original languageEnglish
Title of host publicationChina Satellite Navigation Conference (CSNC) 2018 Proceedings - Volume II
EditorsJiadong Sun, Changfeng Yang, Shuren Guo
PublisherSpringer Verlag
Pages113-123
Number of pages11
ISBN (Print)9789811300134
DOIs
StatePublished - 2018
Event9th China Satellite Navigation Conference, CSNC 2018 - Harbin, China
Duration: 23 May 201825 May 2018

Publication series

NameLecture Notes in Electrical Engineering
Volume498
ISSN (Print)1876-1100
ISSN (Electronic)1876-1119

Conference

Conference9th China Satellite Navigation Conference, CSNC 2018
Country/TerritoryChina
CityHarbin
Period23/05/1825/05/18

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 14 - Life Below Water
    SDG 14 Life Below Water

Keywords

  • Frequency offset estimation
  • Phase offset estimation
  • Short burst-mode GMSK
  • Signal detection
  • Timing synchronization

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