S Rao - 2019 IEEE International Conference on Advanced …, 2019 - ieeexplore.ieee.org
… a EH cooperative NOMA system with a nonEH source S, two non-EH users U1 and U2,
and a set {L1,L2,...,LN } of N DF EH relays as shown in Fig. 1. The source employs the NOMA …