Recently, research on sixth-generation (6G) networks has gained significant interest. 6G is expected to enable a wide-range of applications that fifth-generation (5G) will not be able serve reliably, such as tactile Internet. Additionally, offer Terabits per second (Tbps) data rates, 10 times lower latency, and near 100% coverage, compared 5G. Thus, expand across all available spectrums includi...