When is the Achievable Rate Region Convex in Two-User Massive MIMO Systems?

Zheng Chen 0002, Emil Björnson, Erik G. Larsson. When is the Achievable Rate Region Convex in Two-User Massive MIMO Systems?. IEEE Wireless Commun. Letters, 7(5):796-799, 2018. [doi]

@article{ChenBL18-0,
  title = {When is the Achievable Rate Region Convex in Two-User Massive MIMO Systems?},
  author = {Zheng Chen 0002 and Emil Björnson and Erik G. Larsson},
  year = {2018},
  doi = {10.1109/LWC.2018.2825443},
  url = {https://doi.org/10.1109/LWC.2018.2825443},
  researchr = {https://researchr.org/publication/ChenBL18-0},
  cites = {0},
  citedby = {0},
  journal = {IEEE Wireless Commun. Letters},
  volume = {7},
  number = {5},
  pages = {796-799},
}