It's much narrower than that. OFDM has been around since the 1960s. CSIRO didn't invent it. CSIRO patented its use in WLAN setups (including WiFi). It's contr

It's much narrower than that. OFDM has been around since the 1960s. CSIRO didn't invent it. CSIRO patented its use in WLAN setups (including WiFi). It's controversial because they're only major first was to implement WLAN setups using OFDM with forward ECC. In any case they were merely taking something already used in cellular phone networks and applying to another kind of broadcast setup.