Integrated Access and Backhaul in 5G with Aerial Distributed Unit using OpenAirInterface

05/10/2023

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by   Rakesh Mundlamuri, et al.

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In this work, we demonstrate the Integrated Access and Backhaul (IAB) capabilities of an aerial robot offering 5G connectivity to ground users. The robot is integrated with a distributed unit (DU) and has 5G wireless backhaul access to a terrestrial central unit (CU). The CU-DU interface fully complies with the 3GPP defined F1 application protocol (F1AP). Such aerial robots can be instantiated and configured dynamically tailoring to the network demands. The complete radio and access network solution is based on open-source software from OpenAirInterface, and off-the-shelf commercial 5G mobile terminals. Experimental results illustrate throughput gains, coverage extension and dynamic adaptability nature of the aerial DU.