The recent scenario for 5G communication demands major rise in user connectivity. To address this issue 5G communication makes use of sparse code multiple access (SCMA) …
Z Mheich, L Wen, P Xiao… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
In this paper, we propose to use golden angle modulation (GAM) points to construct codebooks for uplink and downlink sparse code multiple access (SCMA) systems. We …
C Dong, X Cai, K Niu, J Lin - IEEE Communications Letters, 2018 - ieeexplore.ieee.org
This letter proposes an efficient sparse code multiple access (SCMA) codebook design, in which 1-D searching algorithm is introduced to minimize the upper bound of pair-wise error …
M GUO, X SHAO, W YANG - … of Beijing University of Posts and …, 2019 - journal.bupt.edu.cn
Aiming at the problem that the complexity of multidimensional constellation design, and the difficulty of determining optimal constellation operators actually increase the difficulty of …