Channel Estimation and Equalization of DVB-T in Fast Fading Multipath Channels
2015-12-21 16:31:41   来源:   评论:0 点击:

Abstract—Early Terrestrial Digital Video Broadcasting Systems (DVB-T) were planned to work in Line-of-Sight (LOS) environments where a significantly high Signal to Noise Ratio (SNR) is guaranteed for all times. However, the recent DVB standards are sought to work in non-LOS conditions where the SNR is relatively low. Hence, in such environments, there is a need for a successful channel estimation and detection technique to take care of the fast channel fluctuations. This article is dealing with LS channel estimation and detection method for DVB-T signals over various multipath fading channel. The proposed method has been proven successful for up to 16 Quadrature Amplitude Modulation (QAM) constellations even when there is no LOS. However, the performance is found to be insufficient for an acceptable user experience for higher number of constellations. 
 
Index Terms—DVB-T, OFDM, multipath fading channel, LS estimation

Cite: Shahrzad Kavianirad, Ahmet Rizaner, and Hasan Amca, "Channel Estimation and Equalization of DVB-T in Fast Fading Multipath Channels," Lecture Notes on Information Theory, Vol. 3, No. 2, pp. 81-85, December 2015. doi: 10.18178/lnit.3.2.81-85
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