How often should CSI be updated for massive MIMO systems with massive connectivity?Jan 1, 2017·R. DengZhiyuan JiangSheng ZhouZhisheng Niu· 0 min read CiteLast updated on Jan 1, 2017AuthorsZhiyuan JiangPh.D.AuthorsSheng ZhouAssociate ProfessorAuthorsZhisheng NiuProfessor← Fractional dynamic caching: Minimizing the file delivery time under limited backhaul Jan 1, 2017Joint Resource Provisioning for Internet Datacenters with Diverse and Dynamic Traffic Jan 1, 2017 →