Katiran, Norshidah, Noorsaliza Abdullah, Lukman Audah, Shaharil Mohd Shah, Aimi Syamimi Abdul Ghaffar, and Faiz Asraf. 2017. “Performance Comparison of Optimized Resource Allocation in CoMP LTE-A Using Iterative Subgradient Method and PSO”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9 (3-7):37-41. https://jtec.utem.edu.my/jtec/article/view/3073.