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AUSTRALIA: ACMA Exploring RLAN Use of 5 GHz and 6 GHz Bands
April 7, 2021

ACMA has released their study (including proposals) regarding the use of the 5 GHz and 6 GHz bands.

This study comes in an era where these bands have been included in explorations to try to give the broadband connectivity system more options to expand. This paper presented by ACMA includes a summary of arrangements, proposals, and studies undertaken for both bands, both in Australia and internationally. One of the main interests, in this case, is for the industry to share their views and also to confirm if there are any interests in making further changes to the proposal for the 6 GHz band.

ACMA is specifically inviting for comments on the following items:
1. What is the demand for spectrum for RLAN use in the 6 GHz band (5925–7125 MHz)?
2. Should the ACMA proceed, as proposed, to consult on a formal variation to the LIPD class license that adds the frequency range 5925–6425 MHz for RLAN use, bounded by the parameters described in the ACMA’s preliminary view section of this paper?
3. If class licensing arrangements are to be made in the lower 6 GHz band (by a variation to the LIPD class license), should alternative/additional power limits and/or other conditions be considered?
4. Is it appropriate to consider the inclusion of the upper 6 GHz band (6425–7125 MHz) in the LIPD class license or should this be deferred to monitor future developments (for example, in the wide-area International Mobile Telecommunications (IMT) space) as outlined in the ACMA’s preliminary view? We invite comments from submitters on the utility of the band for IMT use.
5. Should standard power (that is, higher power devices, including for outdoor use) operating under a dynamic spectrum access system such as the automatic frequency coordination (AFC) system adopted in the USA, be adopted in Australia for some or all of the 6 GHz band? Is there an appetite and capability for the industry to provide the necessary systems to enable such use? We welcome views and evidence on the commercial and technical feasibility of introducing AFC systems in the band.
6. Should the higher power regulatory arrangements and associated interference mitigation measures added to the International Telecommunication Union (ITU) Radio Regulations at WRC-19 (see Resolution 229 (Rev WRC-19)) in the 5 GHz band be included in any amendment to the LIPD class license?

The final date for comments is May 5 th, 2021; and comments can be submitted online or by regular post to The Manager Spectrum Planning Section Australian Communications and Media Authority, PO Box 78, Belconnen ACT 2616.


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