Research paper co-authored by Aashish Mathur has been listed as Popular Documents of IEEE Wireless Communications Letters - July, 2018- Y. Ai, M. Cheffena, A. Mathur, and H. Lei, "On physical layer security of Double Rayleigh fading channels for vehicular communications," IEEE Wireless Communications Letters, vol. 7, no. 6, pp. 1038-1041, Dec. 2018. [Link: https://ieeexplore.ieee.org/xpl/topAccessedArticles.jsp?punumber=5962382&topArticlesDate=July%202018 ].