Massive MIMO Codebook Design Using Gaussian Mixture Model Based Clustering. - S. Markkandan; S. Sivasubramanian; Jaison Mulerikkal; Nazeer Shaik; Beulah Jackson; Lakshmi Naryanan (Intell. Autom. Soft Comput., 2022)

Hybrid Optimization for IRS-Aided Secure Communication: A Gradient Projection and Dynamic Security Framework. - S. Sivasankar; S. Markkandan (Trans. Emerg. Telecommun. Technol., 2025)