System Performance of Interference Alignment in MIMO Cognitive Radio Networks under Interference Leakage

被引：0

作者：

Alakoca, Hakan ^{[1
]}

Ustunbas, Seda ^{[2
]}

Namdar, Mustafa ^{[3
]}

Basgumus, Arif ^{[3
]}

Erdogan, Eylem ^{[4
]}

Durak-Ata, Lutfiye ^{[1
]}

机构：

[1] Istanbul Tech Univ, Inst Informat, Appl Informat Dept, Istanbul, Turkey

[2] Istanbul Tech Univ, Elect & Commun Engn Dept, Istanbul, Turkey

[3] Dumlupinar Univ, Dept Elect & Elect Engn, Kutahya, Turkey

[4] Istanbul Medeniyet Univ, Dept Elect & Elect Engn, Istanbul, Turkey

来源：

2018 41ST INTERNATIONAL CONFERENCE ON TELECOMMUNICATIONS AND SIGNAL PROCESSING (TSP) | 2018年

关键词：

Cognitive radio; interference alignment; interference management; MIMO; outage probability performance; FEASIBILITY; CHANNELS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, we examine the interference alignment performance of a multi-input multi-output (MIMO) cognitive radio (CR) network in the presence of multiple secondary users. In the proposed architecture, it is assumed that linear interference alignment (IA) is used at the primary system to alleviate the interference between primary and secondary networks. Although, linear IA can surpass the interference in CR considerably, interference leakages may occur due to fast fading channel. Herein, we derive the closed form outage probability expression considering the interference leakage occurred in the primary system. The results which are validated with Monte-Carlo simulations show that interference leakages can deteriorate both system performance and diversity gains considerably.

引用

页码：569 / 572

页数：4

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