Design and Implementation of Martime 5G Communication System Based on Software Defined Radio and Open Air Interface

This article proposes an innovative maritime 5G communication system based on Software Defined Radio (SDR) and OpenAirInterface (OAI),which shows advantages of high scalability and low cost. By implementing with recent research on OAI-based software base station technology, we established a core network, 5G software base station (gNB), user terminal (UE), and uplink/downlink systems to test the stability and transmission rate of the entire platform based on the testing software such as Iperf. We obtained the communication performance indicators of the equipment in marine environments and compared them with the test results in terrestrial environments, which fills the gap in the accessible test solution for 5G communication systems in marine environments. The results show that the proposed test solution can be used for reliable and accurate performance eveluation of 5G communication systems in marine environments with the feature of easy-implmentation and easy-scalability. Future research can be exploited by increasing the complexity and diversity.