40 citations · 59 across the 3 of their papers we have counts for
3 papers
eess.SP2021★ 40 cited
SCMA Codebook Design Based on Uniquely Decomposable Constellation Groups
Xuewan Zhang, Dalong Zhang, Liuqing Yang +3
Sparse code multiple access (SCMA), which helps improve spectrum efficiency (SE) and enhance connectivity, has been proposed as a non-orthogonal multiple access (NOMA) scheme for 5…
eess.SP2019★ 4 cited
Estimating Doubly-Selective Channels for Hybrid mmWave Massive MIMO Systems: A Doubly-Sparse Approach
Shijian Gao, Xiang Cheng, Liuqing Yang
In mmWave massive multiple-input multiple-output (mMIMO) systems, hybrid digital/analog beamforming has been recognized as an economic means to overcome the severe mmWave propagati…
cs.IT2017★ 15 cited
Index Modulation for 5G: Striving to Do More with Less
Xiang Cheng, Meng Zhang, Miaowen Wen +1
The fifth generation (5G) wireless communications brag both high spectrum efficiency and high energy efficiency. To meet the requirements, various new techniques have been proposed…