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MRC Receiver in Correlated Hoyt Fading Channel with Multiple Modulation Technique


MRC Receiver in Correlated Hoyt Fading Channel with Multiple Modulation Technique
Authors : Rupender Kour , Manasvi Mannan
Publication Date: 09-08-2017

Authors

Author(s):  Rupender Kour , Manasvi Mannan

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 6 - Issue. 08 , August - 2017

e-ISSN:   2278-0181

 DOI:  http://dx.doi.org/10.17577/IJERTV6IS080086

Abstract

In this paper the performance of diversity receivers and M-ary modulation over hoyt fading channels is analysed. M-ary modulation scheme has been tested on hoyt fading channel as it is more realistic representation of fading in satellite link. We have tested it for 16-PSk, 4-PSK and 32 PSK scheme for various fading and correlation coefficient parameters of hoyt channel. Hoyt channel is derived form nakagami-m channel and also known as nakagami-q channel. The classical PDF based approach has been followed to derive the performance measures of basic diversity combiner namely Maximal ratio combining (MRC) receiver over Hoyt. The analysis is carried out for both independent and correlated fading channels for various coherent and noncoherent modulation schemes. For independent diversity receivers the analysis has been carried out for arbitrary number of input branches. The effect of diversity order and fading parameters on performance measures is studied with the help of the numerical evaluation of the obtained expressions. For dual correlated receivers the analysis is carried out for arbitrary correlation, whereas for L diversity receivers it is for most important practical correlation models exponential correlation. Exponential correlation is used to model the system when the receiving antennas are placed in a linear array. The effect of correlation on the receiver performance is studied for all the systems. To validate the derived expressions Monte carlo simulation is performed.

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