A Novel Detection Scheme for Dual polarized Multiple Input Multiple Output Digital Video Broadcasting Terrestrial

Subject Areas : Renewable energy

morteza talebi mohammad abadi ¹ , Mahmood Daneshvar ²

1 - کارشناسی ارشد- دانشکده مهندسی برق، واحد نجف آباد، دانشگاه آزاد اسلامی، نجف آباد، ایران‌
2 - Faculty member of Electrical Engineering Department Islamic Azad University- Najafabad Branch (IAUN)

Received: 2015-12-19 Accepted : 2016-08-30 Published : 2017-01-20

Keywords: SiC, MIMO, DVBT,

Abstract :

In order to quality service improvement, digital video broadcasting terrestrial should increase both channel capacity and also data rate. The system should be stable against fading. To achieve this aim, using multiple input multiple output which is equipped by dual polar antennas with low correlation is practical. However, using polar antennas lead to interference creation caused by cross polarization. This issue bring the decrease of both data rate and transmit capacity. To decrease the influence of depolarization, applying successive interference cancellation (SIC) is very effective. In this paper, a new detection algorithm based on SIC detection is proposed. The main characteristics of this algorithm is changing in the SIC detection nulling. This article also shows that, in environmental with high fading, in contrast to other detection method like ZF-SIC and MMSE-SIC, bit error ratio performance versus SNR is improved in new proposed detection method.

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