Reference

Here are the details of the research paper we have referred :
Title : Modulation Classification Based on Signal Constellation Diagrams and Deep Learning  
Date of Publication: 24 July 2018
DOI: 10.1109/TNNLS.2018.2850703
Authors : 
i.   Shengliang Peng - Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA.
ii.  Hanyu Jiang - Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA.
iii. Huaxia Wang - FutureWei Technologies, Inc., Bridgewater, NJ, USA.
iv.  Hathal Alwageed - Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA.
v.   Yu Zhou - Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA.
vi.  Marjan Mazrouei Sebdani - Publicis Media, New York, NY, USA.
vii. Yu-Dong Yao - Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA.