Bharathi C and Manjunatha Reddy H. S. 2024. Improving Spectrum Efficiency in 5G Networks via Collaborative Spectrum Sharing for MIMO-NOMA Enhancement. International Journal of Communication Networks and Information Security (IJCNIS). 16, 2 (Jun. 2024), 27–41. DOI:https://doi.org/10.17762/ijcnis.v16i2.6570.