63 citations · 69 across the 4 of their papers we have counts for
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math.OC2017★ 1 cited
Tightness of a new and enhanced semidefinite relaxation for MIMO detection
Cheng Lu, Ya-Feng Liu, Wei-Qiang Zhang +1
In this paper, we consider a fundamental problem in modern digital communications known as multi-input multi-output (MIMO) detection, which can be formulated as a complex quadratic…
cs.IT2017★ 63 cited
An Efficient Global Algorithm for Single-Group Multicast Beamforming
Cheng Lu, Ya-Feng Liu
Consider the single-group multicast beamforming problem, where multiple users receive the same data stream simultaneously from a single transmitter. The problem is NP-hard and all…