基于MIMO的DVB-T2系统Turbo编码实现性能分析

2020 International Electronics Symposium (IES) Pub Date : 2020-09-01 DOI:10.1109/IES50839.2020.9231740

Reza Dwi Agustin, I. Astawa, Aries Pratiarso

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引用次数: 1

摘要

第二代地面数字视频广播(DVB-T2)已成为实现数字电视最可能的解决方案。它是最后一个系统的发展版本，被称为数字视频广播-地面(DVB-T)。DVB-T2系统具有数据传输可靠性高、点对多点传输速度快的优点。MIMO和OFDM的结合形成了高速数据传输系统。然而，由于频率选择性衰落信道的影响，高速传输会产生码间干扰(ISI)。在本研究中，对基于mimo的DVB-T2系统的Turbo编码实现进行了仿真和性能分析。该系统采用OFDM传输技术来降低码间干扰。该系统的Turbo码被用作前向纠错(FEC)，能够降低误码率(BER)。V-BLAST作为检测器实现，MMSE作为信道估计器实现。因此，Turbo Code½速率和Turbo Code速率在基于mimo的DVB-T2系统上显示出不错的性能。结果表明，与没有编码的系统相比，得到的误码率更小。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Performance Analysis of Turbo Coding Implementation In MIMO Based DVB-T2 System

Digital Video Broadcasting-Second Generation Terrestrial (DVB-T2) has been the most possible solution to implement digital television. It is the developed version of the last system that is known as Digital Video Broadcasting-Terrestrial (DVB-T). DVB-T2 system has superiority in data transmissions reliability with a high point-to-multipoint speeds. The combination of MIMO and OFDM has resulted in a high-speed data transfer system. Yet, a high-speed transmission could cause an Inter-symbol Interference (ISI) as the effect of frequency selective fading channels. In this research, simulation and performance analysis of Turbo Coding implementation on the MIMO-based DVB-T2 system were conducted. This system used the OFDM transmission technique to decrease ISI. The Turbo Code of this system was used as a Forward Error Correction (FEC) that was able to decrease the number of Bit Error Rate (BER). V-BLAST was also implemented as a detector and MMSE as a channel estimator. As a result, the Turbo Code ½ rate and the Turbo Code rate shows a decent performance on the MIMO-based DVB-T2 system. It was shown that the resulted BER was smaller compared to the system with no code.

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2020 International Electronics Symposium (IES)

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