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首页> 外文期刊>Journal of communications and networks >Numerical approximation of millimeter-wave frequency sharing between cellular systems and fixed service systems
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Numerical approximation of millimeter-wave frequency sharing between cellular systems and fixed service systems

机译：蜂窝系统与固定服务系统毫米波频率共享的数值近似

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This paper presents numerical analysis and simulation results in order to study the impact of interference between fixed service (FS) systems and 5G cellular networks at 28 GHz, 38 GHz, and 60 GHz millimeter-wave (mmWave) bands. For this study, two different scenarios were considered, i.e., the aggregation of interference from small cells into an FS receiver from (i) base stations (BSs) to their associated user equipment (UE) (downlink); (ii) from UEs to their associated BSs (uplink). The simulation results determined how much interference rejection is required to protect the operation of the FS. This study is essential when using mmWave technologies in cellular networks, to determine whether the newly deployed cellular systems can co-exist with pre-deployed FS systems or not. This paper presents closed-form numerical approximation results with Taylor series approximation along with intensive simulation results. Finally, this paper confirmed that the numerical approximation results were precise, i.e., that here were only marginal differences to the intensive simulation results.
机译：本文提出了数值分析和仿真结果，以研究28 GHz，38 GHz和60GHz毫米波（MMWAVE）频带的固定服务（FS）系统和5G蜂窝网络之间干扰的影响。对于本研究，考虑了两种不同的场景，即，从（i）基站（BSS）到其相关的用户设备（UE）（下行链路）将来自小单元的干扰的聚合聚集到FS接收器中（UE）（下行链路）; （ii）从UE到他们的相关BSS（上行链路）。仿真结果确定需要多大的干扰抑制来保护FS的操作。该研究对于在蜂窝网络中使用MMWAVE技术时，该研究是必不可少的，以确定新部署的蜂窝系统是否可以与预先部署的FS系统共存。本文呈现泰勒型近似闭合的数值近似结果以及密集的仿真结果。最后，本文证实了数值近似结果精确，即，这里只有与强化仿真结果的边际差异。

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