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[Discuss-gnuradio] An ISDB-T receiver implementation

From: Federico Larroca
Subject: [Discuss-gnuradio] An ISDB-T receiver implementation
Date: Thu, 21 May 2015 15:16:41 -0300

Hi everybody,

Some months ago we started working on an ISDB-T receiver for GNU Radio. We have reached a point at which it may be useful for other people, so we decided to announce to it on the list. The sources may be found on: https://github.com/git-artes/gr-isdbt.

Although this is an ongoing work, the receiver is now capable of roughly two things (examples included):
 - Synchronize to the OFDM symbol, equalize, and decode the TMCC signal (equivalent to the DVB's TPS). This has been tested for mode-3 transmission (i.e. 8k OFDM) and several CP lengths, which is what we have available here, but it should work with all the modes and CPs.
 - Display online the 1-segment video (i.e. the low definition portion that is generally sent in ISDB-T). Again, this has been tested with the transmissions available here in Uruguay.

We are currently working on displaying the rest of the segments, as well as debugging and improving the rest of the blocks.

Any feedback and/or help is more than welcome!


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