Mobility Optimization in LTE Heterogeneous Network

Guoping Chen; Qingbo Du

doi:10.3969/j.issn.1000-0801.2014.10.022

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Mobility Optimization in LTE Heterogeneous Network

Operating technology wid-angle | 更新时间：2024-06-05

- Mobility Optimization in LTE Heterogeneous Network
- Telecommunications Science Vol. 30, Issue 10, Pages: 151-155(2014)
- 作者机构：
  
  1. 南京信息职业技术学院南京 210023
  2. 中兴通讯学院移动通信实验室深圳 518057
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.1000-0801.2014.10.022
  CLC：
- Published Online：2014-10，
  
  Published：20 October 2014
- 稿件说明：
移动端阅览
Guoping Chen, Qingbo Du. Mobility Optimization in LTE Heterogeneous Network[J]. Telecommunications science, 2014, 30(10): 151-155.
DOI：

Guoping Chen, Qingbo Du. Mobility Optimization in LTE Heterogeneous Network[J]. Telecommunications science, 2014, 30(10): 151-155. DOI： 10.3969/j.issn.1000-0801.2014.10.022.

摘要

长期演进（LTE）网络是3GPP定义的先进移动网络系统，相比现有的2G 和3G 网络，LTE 网络的用户（UE）更加密集、站间距更小、更多的小基站加入系统，从而使UE移动性管理面临更大的挑战。为此，提出了一种新型UE切换方法。仿真结果显示，新方法能够很好地解决密集LTE异构网络中UE切换失败率高的问题，性能优化显著。

Abstract

The long term evolution （LTE）network is an advanced mobile network defined in 3GPP. The node density of LTE network is higher than traditional 2G and 3G mobile networks

because not only the inter-sector distance is smaller

but also more and more small cells are integrated into the network. The mobility management has become a challenge in a dense heterogeneous network. An advanced handover mechanism to solve the high handover failure rate problem in LTE heterogeneous network（HetNet）was proposed. Simulation results show that the proposed mechanism increases the handover performance in HetNet.

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references

胡荣贻，彭木根，张洪岩等 . LTE-Advanced系统中的移动顽健性优化技术研究．电信科学， 2013 , 29 ( 5 ): 84 ～ 89

祝炜凯，赵竹岩，康剑锋等 . 基于实际城区场景的TD-LTE异构网络性能研究．电信科学， 2012 , 28 ( 9 ): 47 ～ 51

余翔，张丽，王蓉． LTE-A中异构网络的切换分析．电讯技术， 2014 , 54 ( 1 ): 89 ～ 96

3GPP TR 36.814. Further Advancements for E-UTRA Physicallayer Aspects（Release 9） , 2011

Triantafyllopoulou D , Passos N , Kaloxylos A , et al . Coordinated handover initiation and cross-layer adaptation formobile multimedia systems . IEEE Transactions on Multimedia , 2000 , 11 ( 6 ): 1131 ～ 1139

3GPP TS 36.331. E-UTRA Radio Resource Control（RRC）;Protocol Specification（Release 9） , 2010

Hui G , Legg P . Soft metric assisted mobility robustness optimization in LTE networks . Proceedings of International Symposium on Wireless Communication Systems , Paris, France , 2012 : 1 ～ 5

Barbera S , Michaelsen P Säily M , et al . Mobility performance of LTE co-channel deployment of macro and picocells . Proceedings of IEEE Wireless Communications and Networking Conference , Shanghai, China , 2012 : 2863 ～ 2868

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