I think that paper has already been discussed in this list. It appeared in the news a while ago: https://www.theregister.com/2022/10/24/starlink_signal_decoded_for_use
Regards, David > Date: Fri, 23 Jun 2023 06:17:08 -0700 > From: Joe Hamelin <[email protected]> > To: Hesham ElBakoury <[email protected]> > Cc: [email protected] > Subject: Re: [Starlink] Signal Structure of the Starlink Ku-Band > Downlink > Message-ID: > <CAO0-hXar-KaB=p=hgege39vakteg5rhbxsgioccoj+r4nt7...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Most interesting: > > " VIII. CONCLUSIONS We have developed and applied a blind signal > identification technique to uncover the frequency- and time-domain > structure of the Starlink Ku-band downlink signal. We further identified > four synchronization sequences that can be used to *passively exploit* > Starlink signals for pseudorange-based positioning, navigation, and timing > (PNT), and explicitly evaluated two of these. The results in this paper > illuminate the *path to use of Starlink signals as a backup to traditional > GNSS* for PNT." > > On Fri, Jun 23, 2023 at 6:09 AM Joe Hamelin <[email protected]> wrote: > >> >> https://radionavlab.ae.utexas.edu/wp-content/uploads/2023/01/starlink_structure.pdf >> >> Here's the PDF. >> >> On Fri, Jun 23, 2023 at 2:55 AM Hesham ElBakoury via Starlink < >> [email protected]> wrote: >> >>> Has anyone looked at this paper (Signal Structure of the Starlink >>> Ku-Band Downlink) by Todd E. Humphreys ? This paper will be published in >>> IEEE Transactions on Aerospace and Electronic Systems. Are there other >>> research efforts which try to do the same? >>> >>> Thanks >>> >>> Hesham >>> >>> >>> _______________________________________________ >>> Starlink mailing list >>> [email protected] >>> https://lists.bufferbloat.net/listinfo/starlink >>> >> >> >> -- >> -- >> Joe Hamelin, W7COM, Tulalip, WA, 360-474-7474 _______________________________________________ Starlink mailing list [email protected] https://lists.bufferbloat.net/listinfo/starlink
