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首页> 外文会议>IEEE International Conference on Communications >Interference Analysis of the Coexistence of 5G Cellular Networks with Satellite Earth Stations in 3.7-4.2GHz
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Interference Analysis of the Coexistence of 5G Cellular Networks with Satellite Earth Stations in 3.7-4.2GHz

机译：3.7-4.2GHz卫星地球站的5G蜂窝网络共存的干扰分析

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摘要

The explosive growth of mobile traffic has elevated the need to explore additional spectrum for fifth-generation (5G) networks in low bands (e.g., below 3GHz), mid bands (e.g., 3-6GHz), and high bands (mainly above 24GHz). To this end, it is imperative to study the interference of 5G systems into incumbent systems occupying these bands. In this paper, we study the coexistence of 5G Massive MIMO systems with incumbents in the mid-band spectrum between 3.7GHz to 4.2GHz, which are primarily fixed receive-only satellite earth stations (FESs) that are endowed with highly directive antennas. In particular, we analyze the aggregate interference experienced at FESs from the uplink and downlink transmissions of the 5G system. We then identify and present several interference mitigation techniques, including protection regions, power control, and frequency partitioning, to ensure harmonious coexistence. Finally, we present a case study of 5G deployment in a dense area, where we use an actual database of FESs for accurate analysis. Simulation results reveal that the favorable propagation environment sub-6GHz limits the opportunity of co-channel deployment, making frequency partitioning more desired for a practical coexistence.
机译：移动流量的爆炸性增长已经提升了在低频带（例如，低于3GHz），中频（例如，3-6GHz）和高频段（主要高于24GHz）中的第五代（5G）网络的附加频谱。为此，必须研究5G系统的干扰到占据这些频带的现任系统中。在本文中，我们研究了在3.7GHz至4.2GHz之间的中频频谱中的5G大型MIMO系统的共存，其主要是固定的接收卫星地球站（FES），这些地站（FESS）赋予高度指示天线。特别是，我们从5G系统的上行链路和下行链路传输中分析了FESS在FES中所经历的总体干扰。然后，我们识别并呈现多种干扰减缓技术，包括保护区，功率控制和频率分区，以确保和谐共存。最后，我们在密集区域提供5G部署的案例研究，在那里我们使用FES的实际数据库以进行准确分析。仿真结果表明，良好的传播环境Sub-6GHz限制了共同渠道部署的机会，使实际共存更为期望的频率分区。

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