@article{aworstcaseperformanceoptimizationbased,
  title = {A Worst-Case Performance Optimization Based Design Approach to Robust Symbol-Level Precoding for Downlink MU-MIMO},
  year = {2019},
  eprint = {1908.11470},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1908.11470v1},
}