Watermark in the Digital Video Broadcasting Handheld Transmission Signal

被引：0

作者：

胡玲娜 ^{[1
]}

蒋铃鸽 ^{[1
]}

何晨 ^{[1
]}

杨峰 ^{[1
]}

机构：

[1] School of Electronic,Information and Electrical Engineering,Shanghai Jiaotong University

来源：

Journal of Shanghai Jiaotong University(Science) | 2009年 / 14卷 / 02期

关键词：

transmitter identification(TxID); watermark; peak-to-average power ratio(PAPR);

D O I：

暂无

中图分类号：

TN943 [电视信号的传输];

学科分类号：

081002 ;

摘要：

Transmitter identification(TxID) technique is used to diagnose the operation status of radio transmitters in DTV distributed transmission network.A new TxID method for digital video broadcasting-handheld (DVB-H) system is proposed.Watermark is embedded in the DVB-H signal to form the composite signal.According to watermarking theory we demonstrate the required signal level for watermarking signal to achieve given bit error probability under different circumstance.By selecting the reference pattern to generate watermarking signal,peak-to-average power ratio(PAPR) of the transmitted signal can be improved.Simulation results show that even in wireless situation the receiver can distinguish the watermarking signal with low embedding strength, and distortion to the host signal can also be ignored.

引用

页码：149 / 153

页数：5

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