While parts of the world obsess over whether Huawei is safe to deploy within 5G infrastructures, others quietly get on with deploying its products. This is certainly the case for Huawei’s Distributed Massive MIMO (DM-MIMO) package aimed at indoor deployments, which is being rolled out by China Unicom at numerous public and enterprise sites, including stadiums and railway stations. Quiet seems to be the operative word since Huawei has said little about the technology after a brief flurry of publicity almost a year ago in April 2020 when the company revealed the fruits of collaboration with Unicom by launching their joint DM-MIMO package. This was based on Huawei’s existing Lampsite Digital Indoor System (DIS), incorporating MIMO antenna arrays of up…