The midband sweet spot is attracting mobile operators the world over because it promises to combine coverage, capacity and reasonably low latency to meet many of 5G’s performance promises. But the midband’s own promise is in danger of being compromised by an uplink bottleneck which has become apparent during the boom in videoconferencing associated with the Covid-19 pandemic, generating symmetric data equal in volume both directions. This has had the effect of increasing uplink traffic by 40% since the start of the pandemic, according to Ericsson, which has responded by bringing forward launch of its midband uplink booster. The booster combines a NR (New Radio) physical uplink shared channel (PUSCH) with a low layer split and eCPRI interface, coupled with…