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- W4210507265 abstract "The deployment of 5G and 6G is highly motivated by the emerging network services that demand more band-width and very low latency. Besides, these services are shifting from dominant Downlink (DL) Traffic to a more equilibrate DL/UpLink (UL) and dominant UL traffic for specific emerging services. One option to accommodate this new behavior is to use Time Duplex Division (TDD), where the radio frame is shared between UL and DL time slots, namely UL/DL pattern. While 4G TDD has a fixed number of configurations that cannot be updated on runtime, 5GNR allows complete flexibility to define the UL/DL pattern. Therefore, 5G base stations can dynamically change the pattern to adapt to the type of traffic (i.e., UL or DL). However, the 5G standard does not specify algorithms or solutions to derive the UL/DL pattern. To fill this gap, we propose a Deep Reinforcement Learning (DRL) that adds intelligence to the base station to self-adapt to the traffic pattern of the cell type. The proposed DRL algorithm monitors UL and DL buffers at the 5G base station to derive the optimal UL/DL pattern in respect to the current traffic configuration. The proposed solution delivers the optimal configuration in a timely and efficient manner. Simulation results demonstrated the efficiency of the proposed algorithm to avoid buffer overflow and ensure the generality by reacting to traffic pattern changes." @default.
- W4210507265 created "2022-02-08" @default.
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- W4210507265 date "2021-12-01" @default.
- W4210507265 modified "2023-10-18" @default.
- W4210507265 title "On using Deep Reinforcement Learning to dynamically derive 5G New Radio TDD pattern" @default.
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- W4210507265 doi "https://doi.org/10.1109/globecom46510.2021.9685820" @default.
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