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From: | Qasim Chaudhari |
Subject: | Re: Discuss-gnuradio Digest, Vol 206, Issue 5 |
Date: | Sun, 8 Dec 2019 13:44:45 +0500 |
------------------------------
Message: 3
Date: Fri, 6 Dec 2019 20:54:57 +0100
From: "Lukas Haase" <address@hidden>
To: "Andy Walls" <address@hidden>
Cc: address@hidden
Subject: Re: Discuss-gnuradio Digest, Vol 206, Issue 5
Message-ID:
<trinity-49271353-9e36-41c4-a8d4-7d01289f2cb5-1575662097637@3c-app-gmx-bap25>
Content-Type: text/plain; charset=UTF-8
Hi Andy,
On 2019-12-06 14:28, Andy Walls wrote:
> [...]
>
> The M&M clock recovery block is obsolete. Use the Symbol Synchronizer
> block instead, if you must use the M&M TED.
Thank you.
You do not mean "Polyphase Clock Sync" but "Symbol Synchronizer"? Is this part of the standard blocks in GRC?
Because in my 3.7.11 versions (current Ubuntu) I do not find it.
I do not must use the M&M TED.
All I need to do is asynchronously detect a stream of bits like this: https://paste.pics/a48ec4aef5ddeeef74e96255d72288b3
Maybe there is a better way to do this?
Important key figure is fast settling/lock time because I cannot afford loosing bits (one burst is only 100 or so bits long).
> [...]
>> Is there anything I am doing wrong?
>
> You may want to read this presentation:
> https://www.gnuradio.org/grcon/grcon17/presentations/symbol_clock_recovery_and_improved_symbol_synchronization_blocks/Andy-Walls-Samples-to-Digital-Symbols.pdf
Thank you, I am studying it.
Best,
Luke
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