Abstract
In this paper, we conduct the measurement campaign in the urban microcell (UMi) outdoor-to-indoor (O2I) scenario, with the object to investigate the large-scale fading at 900 MHz, 2.6 GHz, and 3.5 GHz. Specifically, the path loss model is constructed based on the experimental data and the 3GPP TR36.873 channel model standard. Furthermore, according to the channel model, we propose a triple-band frequency-switching (TB-FS) scheme, which can minimize the transmitting power of a base station. Simulation results indicate that considering the propagation characteristics, the low frequency is preferred under small rate requirement and the high frequency is preferred under the large rate requirement. Furthermore, we find that the optimal spectrum is independent from positions of the devices. These results are valuable for the design and optimization of green communications and network deployment.
This work was supported in part by the National Natural Science Foundation of China (61571370, 61601365, and 61801388), in part by the Fundamental Research Funds for the Central Universities (3102017OQD091 and 3102017GX08003), and in part by the China Postdoctoral Science Foundation (BX20180262).
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© 2019 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Zhang, Z., Zhai, D., Zhang, R., Wang, J. (2019). Multi-frequency Large-Scale Channel Modeling and Green Networking Design. In: Li, B., Yang, M., Yuan, H., Yan, Z. (eds) IoT as a Service. IoTaaS 2018. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 271. Springer, Cham. https://doi.org/10.1007/978-3-030-14657-3_37
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DOI: https://doi.org/10.1007/978-3-030-14657-3_37
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