LTE-Advanced系统中提高系统性能新方法的分析与仿真

2012 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery Pub Date : 2012-10-10 DOI:10.1109/CyberC.2012.85

Gao Qiang, Yunjie Yuan

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引用次数: 0

摘要

本文提出了一种提高系统性能的新方法。在LTE-Advanced系统的Het-Net中，不同的小区承载不同数量的用户设备(UE)。这是由于宏基站和微基站的传输功率不同，且终端在网络中的移动是随机的。有时，一个单元可能会超载以服务许多ue，从而耗尽频率资源。由于过载，每个US的吞吐量大大降低。但是，在服务少量ue时，其他单元可能仍然是轻负载的。资源不均衡会导致网络性能下降。本文分析了负载均衡问题，提出了一种提高系统性能的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis and Simulation of New Method in LTE-Advanced System to Improve System Performance

In this paper, a new method to improve system performance is presented. In Het-Net of LTE-Advanced system different cells are loaded with difference number of User Equipment (UE). This is because the different transmission powers between macro cell and pico cell are used and the UE moves randomly in the network. Sometimes, a cell could be overloading to server many UEs such that the frequency resource is used up. Due to overload, the throughput of each US is significantly reduced. However, other cells may still be lightly loaded while serving a small number of UEs. The imblanance of the resource degrades the network performance. In this paper, we analyze the load balance problem and an approach is proposed to improve the system performance.

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2012 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery

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