1090 Mhz is currently used for SSR Mode A/C replies and Mode S communication(ELS-EHS replies and ADS-B broadcasts) by civilian aircraft and some of military IFF modes.
With the infamous 2020 ADS-B Mandate about ADS-B usage in certain airspaces(Mandate) , it is expected that this frequency will be very crowded in future.
There are certain methods/precautions to prevent congestion like randomized broadcast timing(between 0.4 s and 0.6 s for Airborne Position for example). F.R.U.I.T. and garble problems are also not new to this frequency.
Are there any discussions in the aviation circles about precautions in anticipation to congested 1090 Mhz band for certain airspaces?