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Conference Paper
Comparison of Bootstrap Designs for ATSC 3.0 and Broadcast-to-Everything Systems
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- Authors
- Jeongchang Kim, Yecheol Lee, Beomjun Kim, Sung-Ik Park, Sunhyoung Kwon, Mark Aitken, Sangsu Kim, Michael Simon, David Starks, Essam Sourour, Sesh Simha
- Issue Date
- 2026-07
- Citation
- International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB) 2026, pp.1-5
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- The bootstrap signal is the fundamental discovery method in the latest terrestrial broadcast systems, providing robust entry point identification, synchronization, and minimal low-level signaling independent of subsequent waveform configuration. This paper compares the Advanced Television Systems Committee (ATSC) 3.0 bootstrap with the emerging Broadcast-to-Everything (B2X) bootstrap and explains how both signals act as the first “entry point” into their respective broadcast waveforms. ATSC 3.0 uses a fixed, robust bootstrap to help any receiver quickly find the signal and get just enough basic information to decode the following frame. B2X keeps the same basic idea and waveform parameters but extends the concept by adding separate bootstraps for the frame start and slice start, scalable versions for narrow-band and low-power devices. In this way, B2X supports orthogonal frequency division multiple access (OFDMA) and aligns well with 5G NR. By investigating differences in structure, signaling, and scalability, this paper shows how the bootstrap evolves from a simple discovery method in ATSC 3.0 to a flexible method for managing multiple services, device classes, and spectrum slices in B2X.
- Keyword
- ATSC 3.0, B2X, bootstrap, slice start, virtual frame start
- KSP Keywords
- ATSC 3.0, Advanced television systems committee(ATSC), Broadcast systems, Discovery method, Narrow-band, Orthogonal frequency division multiple access, entry point, frequency-division multiple access(FDMA), low-power devices, multiple services