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Simulation and evaluation of a DVB System using Simulink (Vol. II)
Linköping University, Department of Electrical Engineering.
2005 (English)Independent thesis Basic level (professional degree)Student thesis
Abstract [en]

DVB (Digital Video Broadcasting) is the television digital system. It's however much more than a simple replacement for existing analogue television transmission, this system has many advantages such as picture quality and allows you a range of new features and services including subtitling, multiple audio tracks, interactive content, multimedia content.

The system is based in the OFDM technology, which allows DVB system to exploit the spectrum frequencies in a better way, saving spectrum, but OFDM has an important drawback that is the peak to average power ratio problem. OFDM is based on the FFT algorithms generating orthogonal subcarriers.

This thesis talks about the improvement of the PAPR problem using the soft compression method.

The simulation has been developed in Simulink® and Matlab®. With all the information presented in this thesis, any user can simulate the system. Thus, this thesis can be improved using other techniques to solve the PAPR problem.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2005.
Keyword [en]
Electronics, OFDM, DVB, IFFT, QAM, Simulink, PAPR, Clipping, Compression, peak to average power ratio
Keyword [sv]
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-2723ISRN: LITH-ISY-EX-ET--05/0309--SEOAI: diva2:20064
Available from: 2005-05-24 Created: 2005-05-24

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