tldr; BPS is Broadcast Positioning System. Same principle as GPS: a known waveform is used to triangulate position and time. Advantage: indoor available, less easy to jam/spoof due to high tx power of broadcasting stations. BPS can be added to ATSC 3.0 Next Gen TV signal which is rolled out since 2019 in the US.
Current planning is public availability in 2027-2029.
A good gov presentation with an overview and technical details is here [1].
Current planning is public availability in 2027-2029.
A good gov presentation with an overview and technical details is here [1].
[1] https://www.gps.gov/governance/advisory/meetings/2022-11/mat...