Published Paper Details:

The evolution of mobile communication networks from 5G to 6G is driven by the growing demand for faster, more reliable, and ubiquitous connectivity. While 5G supports applications such as enhanced mobile broadband, massive machine-type communication, and ultra-reliable low-latency communication, it is not sufficient to meet the advanced requirements of future services .To address these limitations, the Space-Air-Ground Integrated Network (SAGIN) has emerged as a promising architecture that integrates satellite, aerial, and terrestrial networks to provide seamless and wide-area coverage. SAGIN enables unified control, efficient resource management, and improved connectivity across diverse environments .However, several challenges remain, including high latency, limited flexibility, spectrum scarcity, energy consumption, and issues related to mmWave communication. This paper highlights the key features, challenges, and potential technologies for 6G and SAGIN, aiming to support the development of next-generation wireless communication systems.