Handover adaptation for load balancing scheme in femtocell Long Term Evolution (LTE) network

2014 IEEE 5th Control and System Graduate Research Colloquium Pub Date : 2014-09-25 DOI:10.1109/ICSGRC.2014.6908730

A. L. Yusof, M. A. Zainali, Mohammad Taufik Mohd Nasir, N. Ya'acob

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引用次数: 5

Abstract

Long Term Evolution (LTE) network is the latest technology before the presence of Advanced-LTE (LTE-A). LTE is introduced by 3rd Generation Partnership Project (3GPP) to improve the mobile phone standard to cope with future technology evolutions and needs. Recently, femtocell which known as Home NodeB (HNB) is the remarkable technology network that implanted in the LTE network in order to fulfill the upcoming demand of high data rates. However, as the User Equipment (UE) is allowed to move freely with different network it causes changed in handover rate and hence, probability of drop call increased. In addition, different speed of UE also affects the number of handover and drop call rate. This paper analyzed on the load balancing scheme based on performance of handover and dropped call rate with different number of UE and different speed of UE. The scheme requests femtocell which deployed into macrocell based on velocity of UE by considering the number of UE. The handover procedure is determined by using simulation based on the number of UE and UE velocity. The simulation results show a significant improvement in term of handover and drop call rates and enhanced better performance of femtocell in LTE network.

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移动蜂窝长期演进(LTE)网络中负载均衡方案的切换适应

LTE (Long Term Evolution)网络是在LTE- a (Advanced-LTE)出现之前的最新技术。LTE是由第三代合作伙伴计划(3GPP)推出的，旨在改进移动电话标准，以应对未来的技术演进和需求。最近，被称为家庭节点b (HNB)的femtocell是为满足即将到来的高数据速率需求而植入LTE网络的引人注目的技术网络。但是，由于允许用户设备在不同的网络中自由移动，导致切换率发生变化，从而增加了掉话的概率。此外，不同的终端速度也会影响切换次数和掉话率。本文分析了在不同终端数量和不同终端速度下，基于切换性能和掉话率的负载均衡方案。该方案在考虑终端数量的基础上，根据终端的速度请求部署到宏基站的飞基站。根据UE数和UE速度进行仿真，确定切换程序。仿真结果表明，在LTE网络中，该方案在切换率和掉话率方面有显著改善，并增强了femtocell的性能。

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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2014 IEEE 5th Control and System Graduate Research Colloquium

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