Presentation Information
[BPO-1-11]Construction of Multi-Band Verification Platform for High-Reliability V2N Remote Monitoring in Truck Shielding Environments
◎△Sotaro Takeda1, Jin Nakazato1, Mikio Hasegawa1, Manabu Mikami2 (1. Tokyo University of Science, 2. SoftBank Corporation)
Keywords:
V2N communication,Multi-band communication,Handover control,Autonomous driving,High-reliability communication
High-reliability Vehicle-to-Network (V2N) communication is essential for the remote monitoring of Level 4 and higher autonomous vehicles on highways. However, in high-speed environments of approximately 100 km/h, signal shielding caused by surrounding large vehicles significantly degrades communication quality, posing a major safety challenge. This paper proposes a multi-band "Hybrid" method that dynamically switches between the 700 MHz band, which has superior diffraction characteristics, and the 1.7 GHz band, which offers wider bandwidth. We developed a verification platform to evaluate the effectiveness of this approach. Simulations were conducted using SUMO and Python, incorporating 3GPP TR 38.901-compliant propagation models and handover control based on Event A3 triggers. The results demonstrate that the proposed Hybrid method improves the average SINR by approximately 3.5 dB compared to single-band operations and reduces the communication outage rate (SINR below 0 dB) to 2.4%, which is approximately one-third of the rate for single-band systems. These findings validate the effectiveness of multi-band communication in mitigating the impact of truck shielding.