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Behavior Modeling of a Digital Video Broadcasting System and the Evaluation of its Equalization Methods
Linköping University, Department of Electrical Engineering, Computer Engineering.
Linköping University, Department of Electrical Engineering, Computer Engineering.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis, a single carrier ATSC DTV baseband transmitter, part of the receiver(including channel estimator and channel equalizer), were modeled. Since multi-pathinduced ISI (inter symbol interference) is the most significant impact on theperformance of single carrier DTV reception, modeling and implementation of singlecarrier channel estimator and channel equalizer have been the focus of the thesis. Westarted with the investigation of channel estimation methods. Afterwards, severalchannel estimators and equalizers were modeled and the performance of each channelequalization methods in different scenarios was evaluated. Our results show that thefrequency domain equalizer can achieve low computing cost and handle long delaypaths. Another important issue to be considered in block equalization is Inter-BlockInterference (IBI). The impact of IBI was investigated via behavior modeling. In lastpart of our thesis, two methods for IBI cancellation are compared and the proposal forhardware implementation was given.

Place, publisher, year, edition, pages
2010. , 82 p.
Keyword [en]
ATSC, Multipath, Channel Estimation, Channel Equalization, FEQ, Inter-Block Interference
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-54632ISRN: LiTH-ISY-EX--10/4309--SEOAI: diva2:306082
2010-03-18, Algoritmen, B Building, Linöping University, Linköping, 10:00 (English)
Available from: 2010-03-29 Created: 2010-03-26 Last updated: 2010-03-30Bibliographically approved

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