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分层异构无线网络的协议架构和关键技术
Key Technologies and Protocol Architectures in Heterogeneous Network
- 电信科学 2013年29卷第6期 页码：17-24
- 作者机构：
- 作者简介：
[ "刘鸿雁，女，北京邮电大学硕士研究生，主要研究方向为无线信号处理与网络。" ]
[ "胡春静，女，北京邮电大学副教授、硕士生导师，主要研究方向为无线信号处理与网络。\t\t" ]
[ "李远，男，北京邮电大学博士研究生，主要研究方向为LTE-Advanced多天线技术、异构无线网络干扰控制。\t\t" ]
- 基金信息：新一代宽带无线移动通信网”国家科技重大专项基金资助项目(2012ZX03001037-004)
DOI：10.3969/j.issn.1000-0801.2013.06.003
中图分类号：-
网络出版日期：2013-06，
纸质出版日期：2013-06-20
- 稿件说明：
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刘鸿雁, 胡春静, 李远. 分层异构无线网络的协议架构和关键技术[J]. 电信科学, 2013,29(6):17-24.
Hongyan Liu, Chunjing Hu, Yuan Li. Key Technologies and Protocol Architectures in Heterogeneous Network[J]. Telecommunications science, 2013, 29(6): 17-24.
刘鸿雁, 胡春静, 李远. 分层异构无线网络的协议架构和关键技术[J]. 电信科学, 2013,29(6):17-24. DOI： 10.3969/j.issn.1000-0801.2013.06.003.
Hongyan Liu, Chunjing Hu, Yuan Li. Key Technologies and Protocol Architectures in Heterogeneous Network[J]. Telecommunications science, 2013, 29(6): 17-24. DOI： 10.3969/j.issn.1000-0801.2013.06.003.
摘要
分层异构无线网络技术因其可以有效提高网络频谱效率、满足不同热点覆盖需求、大幅提升系统容量等优点，而成为当今LTE-Advanced系统中的关键技术之一。总结了分层异构无线网络的背景、定义以及架构，并重点讨论了由于传统网络拓扑结构的改变而引发的干扰问题，详述了3GPP标准中的增强干扰协调方案，最后分析了分层异构无线网络中的其他关键技术，如网络自组织、回程链路设计、小区选择和切换、节能、认知无线电技术等。这些关键技术对于分层异构无线网络商用化部署具有指导意义。
Abstract
Heterogeneous network （HetNet） is recently becoming one of the key technologies in LTE-Advanced network， because it can significantly improve spectrum efficiency and system capacity， while meeting different requirements for coverage in hotspots. The research background， term definitions and system architecture of HetNet were detailed. Furthermore， the interference problem caused by the variation in network topology， and the schemes for enhanced inter cell interference coordination （eICIC） in the 3rd generation partnership project （3GPP） standardization were focused on. Lastly， other key technologies in HetNet were also analyzed， such as self-organized network （SON）， backhaul link design， mobility management， energy saving and cognitive radio， etc. Resolutions of those aforementioned key technologies have profound guiding significance for the commercial deployment of HetNet.
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references
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