But over time, the companies made incremental upgrades to goose speeds to today’s near-gigabit speeds. Like in the U.S., one of the challenges was spectrum. 5G was kickstarted in Korea with 3.5 GHz mid-range spectrum. The industry then looked at 28 GHz millimeter wave spectrum for devel...
A power outage disabled the network from 6th April to 7th April. Each sensor node utilises “unicast with ack” messages and multiple retries should it fail to receive the ack from the modem at the gateway buoy. When the receiver was switched to the software defined receiver using the ...