25 citations · 26 across the 3 of their papers we have counts for
3 papers
cs.NI2018★ 25 cited
Over-the-Air Implementation of Uplink NOMA
Samith Abeywickrama, Lei Liu, Yuhao Chi +1
Though the concept of non-orthogonal multiple access (NOMA) was proposed several years ago, the performance of uplink NOMA has only been verified in theory, but not in practice. Th…
cs.IT2017★ 1 cited
Message Passing in C-RAN: Joint User Activity and Signal Detection
Yuhao Chi, Lei Liu, Guanghui Song +3
In cloud radio access network (C-RAN), remote radio heads (RRHs) and users are uniformly distributed in a large area such that the channel matrix can be considered as sparse. Based…
cs.IT2017
Sparse Vector Recovery: Bernoulli-Gaussian Message Passing
Lei Liu, Chongwen Huang, Yuhao Chi +3
Low-cost message passing (MP) algorithm has been recognized as a promising technique for sparse vector recovery. However, the existing MP algorithms either focus on mean square err…