Simulation Analysis of Multi-hop HF Radio

DOI

10.2991/iccia-19.2019.27How to use a DOI?

Keywords

Radio Wave Propagation, Simulation, Monte Carlo Method, Genetic Algorithm.

Abstract

The paper is mainly based on the issue of "radio wave propagation", which is not rare for people on the ship while receiving message. To solve this problem, we focus on the simulation of the propagation based on the electromagnetism knowledge. Then we established precise mathematical model on MATLAB, from which we can calculate the physics value of the simulation. MODEL I: Model for propagation between ionosphere and ocean. According to the electromagnetism knowledge and literature, we simulated the path of radio wave emitted from a certain angle and calculated the total energy loss during this process. After calculation, we found the maximum of reduction is 2.567dB, while the minimum of the reduction is 1.932dB. Also, we simulated the shape of a random ocean wave by interpolation method. Then we calculated the energy leak on a turbulent sea using Monte Carlo Simulating Method. By com¬paring two results, we can find a converting parameter 7 of 0.6731, to simplify the second model on a wavy sea. MODEL II Model for propagation through mountainous area Based on MODEL I, we established a model to simulate the movement of the radio wave through mountains and found the loss by numerical computation. Deeply, we concluded the relationship between mountain's height, position of the emission point and the receiver. To put the model specially, we assumed that the mountain’s height is 0. In this way, we can find the energy loss through smooth terrain. MODEL III: model for finding the best receiver’s angle. Through the previous models, we set up a model to simulate the total energy received by the ship, and defined a quality of power to describe the amount of received energy. To maximum the energy received by the ship, we used Genetic Algorithm to find the best solution and calculate the best receiver’s angle and the maximum energy for different position of the ship. After this, we can set a threshold which determines the communication area and calculate the travelling time.

Copyright

© 2019, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Shiping Chen
PY  - 2019/07
DA  - 2019/07
TI  - Simulation Analysis of Multi-hop HF Radio
BT  - Proceedings of the 3rd International Conference on Computer Engineering, Information Science & Application Technology (ICCIA 2019)
PB  - Atlantis Press
SP  - 176
EP  - 185
SN  - 2352-538X
UR  - https://doi.org/10.2991/iccia-19.2019.27
DO  - 10.2991/iccia-19.2019.27
ID  - Chen2019/07
ER  -