Abstract
The Maritime VHF Data Exchange System (VDES) will be a basic method of data exchange in the e-Navigation strategy, which is dominated by the International Maritime Organization (IMO), and is an application of internet of things(IoT) in maritime field. Based on the filtered multitone (FMT) modulation principle of the VDES, we systematically analyzed the effects of filter parameters on communication performance in FMT modulation. Then, we simulated the influence curve of the roll-off factor and filter order with regard to the communication quality in VDES FMT modulation. Finally, based on the simulation results, we recommend the performance specifications of roll-off factor and filter order on FMT modulation in the VDES.
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