This Standard describes the RF/Transmission of a physical layer waveform. This waveform enables flexible configurations of physical layer resources to target a variety of operating modes. The intent is to signal the applied technologies and allow for future technology adaptation.
There are multiple versions of this document. Please be sure to download the desired version. For amendments, the text includes a list of changes, the rationale for the changes, and compatibility considerations.
Download A/322:2017, “Physical Layer Protocol”, approved 6 June 2017. This is the version referenced by the U.S. FCC.
A/322:2017, dated 6 June 2017, was approved and adopted by reference into the FCC Rules 47 CFR § 73.682. The following document summarizes changes made to A/322 since the 2017 version. Download Approved Changes to A/322, “Physical Layer Protocol”, 24 March 2020.
Download A/322:2018, “Physical Layer Protocol”, approved 26 December 2018. This version is referenced by A/300:2019.
Download A/322:2020, “Physical Layer Protocol”, approved 23 January 2020. This version is referenced by A/300:2020.
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The Advanced Television Systems Committee, Inc., is an international, non-profit organization developing voluntary standards and recommended practices for digital terrestrial broadcasting. ATSC member organizations represent the broadcast, broadcast equipment, motion picture, consumer electronics, computer, cable, satellite, and semiconductor industries. ATSC also develops digital terrestrial broadcasting implementation strategies and supports educational activities on ATSC standards.