基于干扰消除的异构蜂窝网络中断分析

宋康; 韦磊; 冀保峰; 王雅芳; 黄永明; 杨绿溪

doi:10.11999/JEIT150532

基于干扰消除的异构蜂窝网络中断分析

doi: 10.11999/JEIT150532

1.
(东南大学信息科学与工程学院南京 210096) ②(国网南京供电公司南京 210019) ③(河南科技大学信息工程学院洛阳 471023)

基金项目:

国家863计划(2015AA01A703)，国家自然科学基金(61372101, 61271018, 61201172, 61422105, U1404615)，江苏省杰出青年基金(BK20130019)，江苏省电力公司合作项目，毫米波国家重点实验室开放课题(K201504)

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出版历程
- 收稿日期: 2015-05-07
- 修回日期: 2015-10-09
- 刊出日期: 2016-02-19

Outage Performance for Heterogeneous Cellular Networks with Interference Cancellation

1.
(School of Information Science and Engineering, Southeast University, Nanjing 210096, China)
2.
(State Grid Nanjing Power Supply Company, Nanjing 210019, China)

Funds:

The National 863 Program of China (2015AA 01A703), The National Natural Science Foundation of China (61372101, 61271018, 61201172, 61422105, U1404615), Natural Science Foundation of Jiangsu Province (BK20130019), Research Fund of Jiangsu Electric Power Company, Open Funds of State Key Laboratory of Millimeter Waves (K201504)

摘要

摘要: 在异构网络中，小小区可以为宏基站用户提供接入服务，并能够根据自身条件调节传输参数。该文研究在宏基站端干扰消除技术，来消除宏基站到小小区用户的干扰。该文分析了采用此种方案后异构网络下行链路的整体性能，推导了宏基站和小小区用户接收端信噪比的概率密度函数和分布函数。在此基础上，得到了系统整体中断概率的闭合表达式。理论推导和仿真结果表明，干扰消除方案能够有效提升异构蜂窝网络的整体性能。
- 异构蜂窝网络 /
- 性能分析 /
- 干扰消除
Abstract: In heterogeneous cellular networks, small cells provide for the handover of users from the macro cell and organize itself during the transmission. This paper studies the downlink outage performance of heterogeneous cellular networks with an interference cancellation scheme employed at macro base station, which aims to eliminate the cross-tier interference from macro base station to small cell users. Then, the downlink performance of heterogeneous cellular networks is investigated. Expressions of the Probability Density Function (PDF) and Cumulative Distribution Function (CDF) of the received SNRs of both macro and small cell users are derived and closed-form expressions of overall outage probability of the system are provided. Both analytical results and simulations show that the overall performance of the heterogeneous cellular networks is improved with interference cancellation.
- Heterogeneous cellular networks /
- Performance analysis /
- Interference cancellation

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参考文献(29)

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