Development and Experimental Evaluation of Cyclostationarity-Based Signal Identification Equipment for Cognitive Radios

被引：1
|
作者：
Harada, Hiroki [1 ]
Fujii, Hiromasa [1 ]
Miura, Shunji [1 ]
Kayama, Hidetoshi [1 ]
Okano, Yoshiki [1 ]
Imai, Tetsuro [1 ]
机构：
[1] NTT DOCOMO INC, Yokosuka, Kanagawa 2398536, Japan
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2012年 / E95B卷 / 04期
关键词：
cognitive radio; spectrum sharing; cyclostationarity-based signal identification; test bed experiment; spatial channel emulator;
D O I：
10.1587/transcom.E95.B.1100
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：
An important and widely considered signal identification technique for cognitive radios is cyclostationarity-based feature detection because this method does not require time and frequency synchronization and prior information except for information concerning cyclic autocorrelation features of target signals. This paper presents the development and experimental evaluation of cyclostationarity-based signal identification equipment. A spatial channel emulator is used in conjunction with the equipment that provides an environment to evaluate realistic spectrum sharing scenarios. The results reveal the effectiveness of the cyclostationaritybased signal identification methodology in realistic spectrum sharing scenarios, especially in terms of the capability to identify weak signals.
引用
收藏
页码：1100 / 1108
页数：9
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