The demand for mobile connectivity is continuously increasing, and by 2030, mobile and wireless communications will serve not only very dense populations of mobile phones and nomadic computers, but also the expected multiplicity of devices and sensors located in machines, vehicles, health systems and city infrastructures. The fifth (and beyond) generation of radio communication networks (5G, 5G+) are expected to implement technologies for supporting wireless connectivity for any rates, type of communicating units, and scenario. For more flexibility in control and reliability, operating the 5G+ network in license-free frequency bands could be an alternative to commercial 5G services. The 5G networks incorporate a very dense network of indoor femtocells. The Femtocells also enhance data rates, indoor performance, and coverage area both in residential and industrial environments.