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2013 (Vol. 6, Issue: 20)
Article Information:

Higher Order Cummulants based Digital Modulation Recognition Scheme

Sajjad Ahmed Ghauri, Ijaz Mansoor Qureshi, Aqdas Naveed Malik and Tanveer Ahmed Cheema
Corresponding Author:  Sajjad Ahmed Ghauri 

Key words:  Additive White Gaussian Noise (AWGN), Higher Order Cummulants (HOC), Modulation Recognition (MR), Probability of Correctness (POC), , ,
Vol. 6 , (20): 3910-3915
Submitted Accepted Published
April 04, 2013 April 29, 2013 November 10, 2013
Abstract:

In this study, we have presented that Higher Order Cummulants (HOC) based modulation recognition scheme for Pulse Amplitude Modulation (PAM), Quadrature Amplitude Modulation (QAM) and Phase Shift Keying (PSK) modulated signals having orders of 2 to 64. Modulation recognition is a process to recognize the signal modulation type which is received by the receiver in the presence of channel noise. The HOC based MR is accomplished in two modules. First is feature extraction using higher order cummulants. These features are distinct for different modulated signals. Second is recognition process which gives decision based upon the features extracted from higher order cummulants. The Probability of Correctness (POC) curves shows the recognition accuracy for sample size and number of iterations. The Additive White Gaussian Noise (AWGN) is considered throughout the simulations.
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  Cite this Reference:
Sajjad Ahmed Ghauri, Ijaz Mansoor Qureshi, Aqdas Naveed Malik and Tanveer Ahmed Cheema, 2013. Higher Order Cummulants based Digital Modulation Recognition Scheme.  Research Journal of Applied Sciences, Engineering and Technology, 6(20): 3910-3915.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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