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TAC Reconfiguration for Paging Optimization in LTE-Based Mobile Communication Systems

机译:TAC重新配置,用于基于LTE的移动通信系统中的寻呼优化

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In LTE-based mobile communication systems, a Tracking Area Code (TAC) is defined by a group of cells for paging operation. The existing TAC configuration has been made manually by considering only the geographical location of cells, and thus it tends to induce an imbalanced TAC configuration and a low paging success rate. In this paper, we propose a reconfiguration of the existing TAC configurations to get a more balanced TAC configuration and to increase the paging success rate. The proposed TAC reconfiguration scheme is designed by considering the mobility (handover) ratio of mobile users between cells as well as the number of users in cells. From the performance analysis with real traffic data of SK Telecom in Korea, we see that the proposed scheme can provide more balanced TAC configurations and also improve the paging success rates by 8%, compared to the existing TAC configurations.
机译:在基于LTE的移动通信系统中,跟踪区域代码(TAC)由一组用于寻呼操作的小区定义。现有的TAC配置是通过仅考虑小区的地理位置来手动完成的,因此,它趋向于导致TAC配置不平衡和寻呼成功率低。在本文中,我们提出了对现有TAC配置的重新配置,以获得更平衡的TAC配置并提高寻呼成功率。通过考虑小区之间移动用户的移动性(切换)比率以及小区中的用户数量来设计提出的TAC重新配置方案。通过对韩国SK Telecom真实流量数据的性能分析,我们发现,与现有的TAC配置相比,该方案可以提供更加平衡的TAC配置,并且还可以将寻呼成功率提高8%。

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