Using rect pulse shapes is generally not a good idea. Why do you want
…but let’s assume you have a good reason:
On Fri, Jan 11, 2013 at 07:41:29AM -0800, luca wrote:
-) In the Polyphase Clock Sinc I expected to find the same taps used in the
tx side (Polyphase Resampler). But other taps are used… Why ? and
according to which approach are they generated ?
They are the same (RRC filter on both Tx an Rx).
-) then…in case of rect pulse, the taps should be a ones vector… do you
-) in any case, the FLL requires the excess bandwidth, so it seems it
doesn’t support no-srrc modulation.
That’s how the FLL works. In theory, you need a different freq sync for
rectangular pulse shape.
The way it’s implemented, it might even work, though, if you leave the
rolloff at .35.
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