Paving the Way Towards Mobile IAB: Problems, Solutions and Challenges : vTools eNotice

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Paving the Way Towards Mobile IAB: Problems, Solutions and Challenges

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Paving the Way Towards Mobile IAB: Problems, Solutions and Challenges

5G networks are being designed and deployed considering a dense deployment of small cells in order to simultaneously serve more users with higher throughput and lower delay. However, building from scratch a completely new infrastructure is costly and takes time. Deploying access and backhaul as wireless links, a.k.a. integrated access and backhaul (IAB), is envisioned as a viable approach to enable flexible and dense networks. Even further, mobile IAB (mIAB) is a candidate solution to enhance the connectivity of users moving together. Motivated by this, in this talk, we firstly present the basic architecture of IAB. Then, we provide the main use cases of mIAB. After that, an extensive performance analysis is presented. Passengers and pedestrians quality of service is evaluated. Moreover, results related to the wireless backhaul are also presented. The mIAB scenario is compared to two benchmark solutions, i.e., a scenario with only macro gNBs and a scenario with macro and pico gNBs fiber-connected to the core network. Finally, we summarize the lessons learned and list some open issues and future directions.