SOS and HOS Performance for Processing Satellite Relayed Signal.

Document Type : Research Studies

Authors

1 Department of Electronic Engineering., Faculty of Engineering., Menoufia University., Menouf, Egypt.

2 Department of Electronic Engineering., Faculty of Engineering., Menoufia University, Menouf, Egypt

3 Departemet of Electronics and Communication Engineering., Faculty of Engineering., El-Mansoura University., Mansoura., Egypt.

4 National Telecommunication Institute., Cairo., Egypt

Abstract

Signal detection in the presence of additive Gaussian noise can be performed using higher order statistics. This paper deals with a processing of single and multiple emergency signals that relayed from the low polar orbit satellite using parametric spectral estimation techniques with Second and Higher Order Statistics. The detection algorithm based on the Second Order Statistics (SOS) using the parametric techniques, which are the Maximum Entropy Method (MEM), and MUltiple Signal Classification (MUSIC) is designed and examined in this paper. Simulation results illustrate successful performance of signal detection at low signal to noise ratio. These proposed methods suppress additive Gaussian noise of unknown power spectrum, detect and characterize the main properties of the transmitted signals.

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