Using rect pulse shapes is generally not a good idea. Why do you want that?
...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 > agree ? Yes. > -) 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. MB -- Karlsruhe Institute of Technology (KIT) Communications Engineering Lab (CEL) Dipl.-Ing. Martin Braun Research Associate Kaiserstraße 12 Building 05.01 76131 Karlsruhe Phone: +49 721 608-43790 Fax: +49 721 608-46071 www.cel.kit.edu KIT -- University of the State of Baden-Württemberg and National Laboratory of the Helmholtz Association
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