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首页> 外文会议>Proceedings 2015 Innovation amp; Commercialization of Medical Electronic Technology Conference >Handover parameter reselection and analysis in two-tier OFDMA network
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Handover parameter reselection and analysis in two-tier OFDMA network

机译：两层OFDMA网络中的切换参数重选和分析

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摘要

The emerging technology of wireless mobile network and devices, increase the bandwidth usage and demand for more network capacity. Femtocell Access Point (FAP) also known as a low power access point that has the capability to extend and offload the capacity from the macrocell and give excellent experience for indoor subscribers. The handover between femtocells are quite complicated since there are hundreds of possible target FAPs when the Femtocell User Equipment (FUE) shift away from the area of its serving FAP and at the same time need to sustain the quality of service (QoS). This study introduced a new mechanism for femtocell-to-femtocell handover which, considers several factors such as received signal level and downlink transmission power gain. Open and close femtocell's access mode are considered in this study. The simulation results compared wih the existing scheme show that probability femtocell not included in the list for proposed scheme is lower than existing scheme. Besides that, this scheme introduces the number of femtocell in the adjacent cell list approaching the number of the serving femtocells as well as avoiding unnecessary handovers and handover failure.
机译：无线移动网络和设备的新兴技术增加了带宽利用率，并要求更多的网络容量。毫微微小区接入点（FAP）也称为低功率接入点，具有扩展和卸载宏小区容量的能力，并为室内用户提供出色的体验。毫微微小区之间的切换非常复杂，因为当毫微微小区用户设备（FUE）移离其服务FAP的区域并同时需要维持服务质量（QoS）时，有数百种可能的目标FAP。这项研究介绍了一种新的毫微微小区到毫微微小区切换的机制，该机制考虑了诸如接收信号电平和下行链路传输功率增益等几个因素。在这项研究中考虑了打开和关闭毫微微小区的访问模式。与现有方案进行比较的仿真结果表明，未列入提议方案列表的毫微微小区的概率低于现有方案。除此之外，该方案将邻近小区列表中的毫微微小区的数量引入了服务中的毫微微小区的数量，并且避免了不必要的切换和切换失败。

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