Cooperative Anti-Interference Spectrum Sharing with Secondary User Selection

被引：0

作者：

Peng Hong ^{[1
]}

Zhu Yufei ^{[1
]}

Lu Weidang ^{[1
]}

Liu Xin ^{[2
]}

Hua Jingyu ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Coll Informat Engn, Hangzhou 310014, Zhejiang, Peoples R China

[2] Nanjing Univ Aeronaut & Astronaut, Coll Astronaut, Nanjing 210016, Jiangsu, Peoples R China

来源：

CHINA COMMUNICATIONS | 2015年 / 12卷 / 09期

基金：

美国国家科学基金会;

关键词：

cooperative communications; spectrum sharing; bandwidth allocation; user selection; COGNITIVE RADIO NETWORKS; OPTIMAL POWER ALLOCATION;

D O I：

暂无

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this paper, we propose a cooperative anti-interference spectrum sharing strategy with secondary user selection where the secondary system can gain spectrum access along with the primary system. Specifically, secondary user STb and STq are selected to transmit the primary and secondary signal through different bandwidth in the second transmission slot which occupies 1 - t(b) fraction of the time. Thus, the primary and secondary systems will not interfere with each other. We study the joint optimization of time and bandwidth allocation such that the transmission rate of the secondary system is maximized, while guaranteeing the primary system to achieve its target rate. Simulation results confirm efficiency of the proposed spectrum sharing strategy, and the significant performance improvement of the cognitive system.

引用

页码：45 / 52

页数：8

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