Osmo-Tetra uses Pi/4-DQPSK:
http://tetra.osmocom.org/trac/wiki/osmo-tetra
Mike
--
Mike Jameson M0MIK BSc MIET
Email: m...@scanoo.com
Web: http://scanoo.com
On Fri, Oct 10, 2014 at 11:05 AM, PEEL Luke
wrote:
> All,
>
>
>
> I’m interested in, and looking into the Pi/4 QPSK modulation technique
Hi,
> I’m interested in, and looking into the Pi/4 QPSK modulation technique
> (http://en.wikipedia.org/wiki/Phase-shift_keying#.CF.80_.2F4.E2.80.93QPSK).
>
> Has anyone worked on this before and does anyone have any blocks or code
> that I could use for reference while making my own? Any help, l