Dear Marcus Müller:


Do you know which is the synchronization algorithm used in the old version of 
ofdm example?Where is the source code of the old ofdm version in 
gnuradio?Thanks.


Any other suggestions?


Thank you.


Best regards,
zs





At 2015-06-24 15:54:30, "Marcus Müller" <marcus.muel...@ettus.com> wrote:
Dear zs,


basically, Schmidl and Cox is a very good algorithm, because it can achieve the 
same quality of synchronization with half of the synchronization overhead 
compared to other approaches, or a better performance with the same amount.
I must admit that from the top of my head, there's probably not much that's 
better than S&C in a real world OFDM receiver, but I must admit that I haven't 
implemented many OFDM synchronizers myself.

However, you say

> Now in my application,maybe this algorithm isn't enough.

which means that you have a mathematical measure that's not OK for S&C, I 
guess. So in what way doesn't S&C suffice? What is it about your application 
that makes S&C insufficient or impossible to use?

Best regards,
Marcus


On 06/24/2015 09:00 AM, zs wrote:

Dear all:
                Thank you in advance.
                1.
                I want to ask a question about the new ofdm example.And I know 
the receiver have used the SCA(schmidl and cox algorithm) algorithm.Now in my 
application,maybe this algorithm isn't enough.And I want to ask whether have 
other good frequency offset correction algorithm which have been implemented.
                2.What is the algorithm used by the old version of the ofdm 
example?Thanks.


Best regards,
zs
 








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