BY Richard Chirgwin
‘Project AirGig’ shows the classics never die, but radio hams might feel homicidal
AT&T has charged up the paddles, yelled “clear!”, and fired the defibrillator into one of telecommunications’ worst ideas: broadband over power lines (BPL).
Except, as chief strategy officer John Donovan stressed in a media call, this isn’t BPL, it’s kind of wireless-broadband-near-powerlines.
The Reg wasn’t invited to the call, and AT&T’s statements and video (below) are annoyingly vague about the technology.
However, Donovan said the company’s gone public because the patents it’s been filing for “AirGig” were starting to attract attention, so we went to the USPTO.
The general AirGig system is outlined in this patent, granted in October 2015.
It covers “surface wave” transmissions along power lines, in the 30 GHz to 300 GHz range…READ FULL ARTICLE
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