DVB-T Digital Terrestrial Television Transmission over Fading Channels

被引：0

作者：

Kratochvil, Tomas ^{[1
]}

Stukavec, Radim ^{[1
]}

机构：

[1] Brno Univ Technol, Dept Radio Elect, Brno 61200, Czech Republic

来源：

RADIOENGINEERING | 2008年 / 17卷 / 03期

关键词：

Digital Terrestrial Transmission; Gaussian channel; Ricean channel; Rayleigh channel; DVQL; DVB-T;

D O I：

暂无

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：

The paper deals with the transmission of the digital television signal according to the DVB-T standard in SFN network over fading channels for the fixed reception. The laboratory transmission system for the real broadcasting based on R&S RF test and measuring equipments is presented including the transmission parameters setup. The results of broadcasting over Gausian, Ricean and Rayleigh channels and results of the echo impairments are presented and discussed with the theory and simulation results. The BER before and after Viterbi decoding and according to MER equal to S/N ratio in the channel from the constellation diagram were compared in all transmission experiments. Additional picture quality evaluation is presented using DVQL-W metric that monitors blockiness structures in MPEG-2 compressed pictures and gives notice of known "cliff-off" effect.

引用

页码：96 / 102

页数：7

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