Directional modulation-enhanced retrodirective array

被引：10
|
作者：
Ding, Yuan [1 ]
Fusco, Vincent [1 ]
机构：
[1] Queens Univ Belfast, ECIT Inst, Belfast BT3 9DT, Antrim, North Ireland
来源：
ELECTRONICS LETTERS | 2015年 / 51卷 / 01期
关键词：
speech recognition; emotion recognition; speech emotion recognition method; hidden factor analysis; mixture-of-factor analyser approach; MFA approach; emotion-independent component; emotion-specific component; emotion identity vector; EIV; cross-corpus emotion recognition;
D O I：
10.1049/el.2014.3188
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：
Unlike the mathematical techniques adopted in classical cryptographic technology at higher protocol layers, it is shown that characteristics intrinsic to the physical layer can be exploited to secure useful information. It is shown that a retrodirective array can be made to operate more securely by incorporating directional modulation (DM) concepts. The presented new approach allows DM to operate in a multipath environment. Previously, DM systems could only operate in free space.
引用
收藏
页码：118 / U131
页数：2
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