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1. (WO2018013911) CONTROL SIGNALING IN A BROADCAST SYSTEM

Pub. No.:    WO/2018/013911    International Application No.:    PCT/US2017/042118
Publication Date: Fri Jan 19 00:59:59 CET 2018 International Filing Date: Sat Jul 15 01:59:59 CEST 2017
IPC: H04N 21/2362
H04N 21/61
H04N 21/63
H04N 21/6547
Applicants: ONE MEDIA, LLC
Inventors: EARNSHAW, Mark
Title: CONTROL SIGNALING IN A BROADCAST SYSTEM
Abstract:
Systems and methods for future-proofed control signaling are disclosed herein. A waveform enabling broadcast transmission of physical layer frames having variable parameters can be extended to allow for future additions to the control signaling structure without breaking compatibility with existing receivers. In some embodiments, new signaling parameters can be added in an existing portion of a preamble and the length of the modified parameter set can be indicated to legacy receivers. In some embodiments new signaling parameters can be added at the end of the existing preamble and viewed as reserved bits by legacy receivers. The parameter set corresponding to the physical layer pipe comprises a first portion (2001) and a second portion (2010-2023) wherein the first portion and the second portion are not adjacent within the preamble.