Correspondent authorization in the GSM telephony using watermarking technology

被引:2
|
作者
Gajewski, Piotr [1 ]
Piotrowski, Zbigniew [1 ]
机构
[1] Mil Univ Technol, Elect Fac, PL-00908 Warsaw, Poland
关键词
acoustic signal processing; data security; data transmission; digital radio; radio telephony; security;
D O I
10.1109/ECWT.2006.280457
中图分类号
TN [电子技术、通信技术];
学科分类号
0809 ;
摘要
This paper describes conception of the correspondent authorization in the GSM link Watermarking technology gives support for additional data hiding in the host signal. This additional data is known as a watermark signal. Watermark should be robust for loose compression in GSM 6.10 standard codec and should be transparent for Human Auditory System (HAS) in the host signal background. OFDM technology together with psychoacoustic WEG model can be used for dedicated GSM authorization system. Several modes of watermark signal processing in the GSM link were presented. Results of the decoding as well as results of the ITU-R BS1116-1 subjective quality estimation tests were illustrated and commented.
引用
收藏
页码:150 / +
页数:2
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