A COOPERATIVE COGNITIVE RADIO NETWORK USING SMART ANTENNA

被引：0
|
作者：
Wang, Shubin [1 ,2 ]
Liu, Qi [3 ]
Zhou, Zheng [2 ]
机构：
[1] Inner Mongolia Univ, Coll Elect Informat Engn, Hohhot, Peoples R China
[2] Beijing Univ Posts & TeleCommun, Wireless Network Lab, Beijing, Peoples R China
[3] MIIT, China Acad TeleCommun Res, Plan & Design Res Inst, Beijing, Peoples R China
来源：
PROCEEDINGS OF 2009 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS TECHNOLOGY AND APPLICATIONS | 2009年
关键词：
Cognitive radio network; cooperative communication; smart antenna; spectrum sensing; DIVERSITY;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a cooperative communication scheme using smart antenna is proposed for cognitive radio networks. This scheme expands the concept of cognitive radio in time and space. Using the cooperation, spectrum sensing accuracy and throughput of cognitive radio networks can be observably increased. The licensed users' detection and unlicensed users' transmission are almost carried on simultaneously. The beamforming of smart antenna can help cognitive radio networks to reduce the interference to licensed users and acquire antenna array gain for unlicensed users. The performance characterizations reveal that the scheme has lower outage probability and more accurate primary detection than general CR networks.
引用
收藏
页码：450 / +
页数：2
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