Research on High Frequency Radio Waves in Ship Communication

Abstract

On high frequencies (HF, defined to be 3-30 MHz), radio waves can travel long distances by multiple reflections off the ionosphere and off the earth. The focus of this research is to develop an appropriate mathematical model for HF radio waves which a ship travelling across the ocean will use for communications and to receive weather and traffic reports. In order to serve a shipboard receiver moving on a turbulent ocean better, MHA model is improved with the introduction of Doppler shift, multipath delay as well as symbol error rate (SER) to indicate the communication quality in the ship's navigation.