As the information technology rapidly develops,many network applications appear and their communication protocols are unknown.Although many protocol keyword rec
Grant-free Non-orthogonal Multiple Access (GF-NOMA) is a promising technology for massive access users and sporadic small-packet transmission for Beyond the 5th
High spectrum efficiency (SE) requirement and massive connections are the main challenges for the fifth generation (5G)and beyond 5G (B5G) wireless networks,esp