Flexible Radio Access Beyond 5G: A Future Projection on Waveform, Numerology, and Frame Design Principles
SCMA Codebook Design
A Survey on Multicarrier Communications: Prototype Filters, Lattice Structures, and Implementation Aspects
Sparse code multiple access
LDS-OFDM an Efficient Multiple Access Technique
5GNOW: non-orthogonal, asynchronous waveforms for future mobile applications