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Re: [Discuss-gnuradio] implement d8psk on benchmark_tx.py
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From: |
Firas Abbas |
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Subject: |
Re: [Discuss-gnuradio] implement d8psk on benchmark_tx.py |
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Date: |
Mon, 16 Feb 2009 20:30:26 -0800 (PST) |
Hi,
> On Tue, 2/17/09, George Nychis <address@hidden> wrote:
> Hello, Tianning/Bill/Daniel!
>
> The performance of 8PSK matches pretty similarly to 16-QAM.
> So, 8PSK is usually never used in a real system as you get
> better spectral efficiency with 16-QAM without taking a huge
> hit in required SNR.
>
> - Rick Stevens
8PSK modulation is widely used by VSAT modems for SCPC-SCPC links.
Best Regards,
Firas