Three-dimensional power sparse code division non-orthogonal multiple access scheme with constellation pair mapping
Shuaidong Chen,
Jianxin Ren,
Bo Liu
et al.
Abstract:This paper proposes a three-dimensional power sparse code division non-orthogonal multiple access (3D-PSCD-NOMA) scheme with 3D constellation pair mapping. The proposed sparse code is based on a balanced incomplete block design (BIBD). Its correlation matrix performs the overall signal mapping of multi-user information. Power multiplexing is realized by overlaying multi-level power signals with different path losses through pair mapping. Compared with the conventional 2D standard square 32 Quadrature Amplitude… Show more
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