Dynamic spectrum access (DSA) in cognitive radio (CR) networks became a challenging research area recently. In CR technology, the DSA between primary users (PUs
Providing end-to-end delay guar-antees in traditional Intet is a complex task due to the distributed nature of TCP/IP protocols. Software Defined Networking (SD
To integrate the satellite communi-cations with the LTE/5G services, the concept of Hybrid Satellite Terrestrial Relay Networks (HSTRNs) has been proposed. In t