Undetectable Primary User Transmissions in Cognitive Radio Networks

被引：7
|
作者：
Choi, Jae-Kark [1 ]
Yoo, Sang-Jo [1 ]
机构：
[1] Inha Univ, Grad Sch Informat Technol & Telecommun, Inchon 402751, South Korea
来源：
IEEE COMMUNICATIONS LETTERS | 2013年 / 17卷 / 02期
关键词：
Cognitive radio; spectrum sensing; undetectable primary user transmission;
D O I：
10.1109/LCOMM.2013.010313.121699
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Various metrics related to the protection of primary user in cognitive radio networks, such as the detection probability and collision ratio, have been considered in recent years. In this letter, as a new metric to be used for a constraint to protect the primary user, the concept of undetectable primary user transmission (UPT) is introduced. UPT occurs when a primary user transmission only occurs between two consecutive sensing epochs. The relationship between the frequency of UPT and the sensing interval is derived and evaluated for various conditions.
引用
收藏
页码：277 / 280
页数：4
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