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首页> 外文期刊>Przeglad Elektrotechniczny >Improvement of Relay Link Capacity in a Multi-hop System by using a Directional Antenna in LTE-A Cellular Network
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Improvement of Relay Link Capacity in a Multi-hop System by using a Directional Antenna in LTE-A Cellular Network

机译：LTE-A蜂窝网络中使用定向天线提高多跳系统中中继链路容量

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摘要

Opisano metody poprawy transmisji w sieci komórkowej LTE. Zbadano dwie anteny - antenę kierunkową i wielokierunkową. Antena kierunkowa zapewnia najlepsza jakość transmisji, antena wielokierunkowa jest użyta do wymiany informacji między węzłem a użytkownikiem.%This paper introduces a new approach for enhancing relay link quality. Two types of antennas were proposed at the relay node (RN). The first type is the directional antenna, which is directed toward the base station to achieve the maximum relay location range and improve the relay link quality, thereby reducing outage probability by increasing relay link capacity. The second type is the omni-directional antenna, which is used for the exchange of information between the RN and attached users. The optimum relay location was derived, thus ensuring the maximum spectral efficiency and best received signal strength over the relay link and cell edge. An improvement of 32% in spectral efficiency and a difference of-62 dBm to -50dBm in received signal strength at the relay link has been observed while considering Interference from neighboring cells. An ATDI simulator, which manages the digital cartography for the first tier of interference in urban areas, verified the numerical results.
机译：Opisano metody poprawy transmisji w siecikomórkowejLTE。 Zbadano dwie anteny-我的世界。本文将介绍一种用于增强中继链路质量的新方法。在中继节点（RN）上提出了两种天线。第一种是定向天线，定向天线指向基站以实现最大中继位置范围并改善中继链路质量，从而通过增加中继链路容量来降低中断概率。第二种是全向天线，用于在RN和连接的用户之间交换信息。得出了最佳的中继位置，从而确保了中继链路和小区边缘的最大频谱效率和最佳接收信号强度。在考虑来自相邻小区的干扰的同时，已经观察到频谱效率提高了32％，中继链路的接收信号强度相差-62 dBm至-50 dBm。一个ATDI模拟器可以对数值结果进行验证，该模拟器管理城市中第一层干扰的数字地图。

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