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5G mmWave Network Planning Using Machine Learning for Path Loss Estimation
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DOI：10.1109/OJCOMS.2024.3405742.png)
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New frequency bands, such as the mmWave at 28 GHz for fifth Generation networks in Frequency Range 2, are being introduced to accomplish the required throughput for new services such as remote surveillance, object tracking, and factory automation. These high-frequency bands are sensible to reflections and diffraction. Therefore, accurate path loss calculation relies on advanced models and ray tracing. However, this is time-consuming, and evaluating a large set of candidate solutions is no longer possible when planning the optimal number and location of base stations in the network planning process. This paper investigates the use of machine learning to approximate a complex mmWave ray-tracing-based path loss model in indoor scenarios. The much lower calculation time allows us to approximate the ray-tracer path loss estimation well and to apply a genetic algorithm for realizing network planning. The machine learning model is trained and validated for two buildings and tested with another, with an average of the Mean Absolute Error of 2.8 dB over all cases. It is shown that the combination of Machine Learning and Genetic Algorithm is able to find a network deployment in the FR2 band accounting for the minimum number of access points and minimum electromagnetic exposure, while still providing a predefined coverage percentage inside the building.
Keyword:
Planning
Ray tracing
Computational modeling
5G mobile communication
Millimeter wave communication
Estimation
Machine learning
28 GHz
5G
FR2
genetic algorithm
network planning
mmWaves
modeling machine learning
path loss
ray tracing
wireless InSite
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4.3
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1.7K
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991
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分享收藏Path Loss Measurements and Model Analysis in an Indoor Corridor Environment at 28 GHz and 38 GHz28 GHz和38 GHz室内走廊环境中的路径损耗测量和模型分析.png)
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