基于干擾消除的異構蜂窩網(wǎng)絡中斷分析

宋康; 韋磊; 冀保峰; 王雅芳; 黃永明; 楊綠溪

doi:10.11999/JEIT150532

基于干擾消除的異構蜂窩網(wǎng)絡中斷分析

doi: 10.11999/JEIT150532

1.
(東南大學信息科學與工程學院南京 210096) ②(國網(wǎng)南京供電公司南京 210019) ③(河南科技大學信息工程學院洛陽 471023)

基金項目:

國家863計劃(2015AA01A703)，國家自然科學基金(61372101, 61271018, 61201172, 61422105, U1404615)，江蘇省杰出青年基金(BK20130019)，江蘇省電力公司合作項目，毫米波國家重點實驗室開放課題(K201504)

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- 文章訪問數(shù): 1627
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出版歷程
- 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: 在異構網(wǎng)絡中，小小區(qū)可以為宏基站用戶提供接入服務，并能夠根據(jù)自身條件調節(jié)傳輸參數(shù)。該文研究在宏基站端干擾消除技術，來消除宏基站到小小區(qū)用戶的干擾。該文分析了采用此種方案后異構網(wǎng)絡下行鏈路的整體性能，推導了宏基站和小小區(qū)用戶接收端信噪比的概率密度函數(shù)和分布函數(shù)。在此基礎上，得到了系統(tǒng)整體中斷概率的閉合表達式。理論推導和仿真結果表明，干擾消除方案能夠有效提升異構蜂窩網(wǎng)絡的整體性能。
- 異構蜂窩網(wǎng)絡 /
- 性能分析 /
- 干擾消除
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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參考文獻(29)

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