On the Performance of Cognitive Cloud Radio Access Networks in the Presence of Hardware Impairment

被引：0
|
作者：
Huang, Haiyan [1 ]
Huang, Yangchao [2 ]
Wu, Zhongdong [1 ]
Li, Xinying [1 ]
Zhang, Xuejun [1 ]
机构：
[1] Lanzhou Jiaotong Univ, Sch Elect & Informat Engn, Lanzhou 730070, Gansu, Peoples R China
[2] Air Force Engn Univ, Informat & Nav Coll, Xian 710077, Shaanxi, Peoples R China
来源：
2018 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA ASC) | 2018年
基金：
中国国家自然科学基金;
关键词：
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 paper, we explore the cognitive cloud radio access networks with cooperative spectrum sensing in the presence of hardware impairment. Multiuser diversity technique is considered in order to enhance system capacity and improve the reliability of transmission. To avoid interfering with the primary user's communications, the BS intends to transmit messages towards the secondary user only when the spectrum hole is detected. Exact closed form expression for the outage probability of the system understudy is derived over Rayleigh fading channels. It is shown that the hardware impairment degrades the performance of the secondary system. Finally, simulation results are presented to verify the correctness of our analytical derivations.
引用
收藏
页码：427 / 431
页数：5
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