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214 Commity (gr-droneid-rewrite)

Autor SHA1 Wiadomość Data
David Protzman e332a41223 Changed bit mapping to match LTE 2022-04-13 21:22:50 -04:00
David Protzman 6cd3df3d64 No need to worry about special demod logic for Octave anymore 
The demodulation is done manually by checking the quadrant
 2022-04-13 21:22:21 -04:00
David Protzman 0796033f82 Merge branch 'main' of github.com:proto17/dji_droneid into main 2022-04-12 21:19:07 -04:00
David Protzman 3182902b8a Added comments and error checking to read_complex_floats.m 2022-04-12 21:18:50 -04:00
proto17 cfa4fff4d5
Update README.md 2022-04-10 11:48:30 -04:00
David Protzman 0dc840945d Added function for plotting FFTs 2022-04-10 11:43:16 -04:00
David Protzman 58ef6b2a94 Figured out the issue with descrambling 
This will need to be updated as it currently only supports descrambling of the first symbol
 2022-04-10 11:40:14 -04:00
David Protzman ec98000a37 Now showing 128 bits of descrambled data 2022-04-10 11:39:26 -04:00
David Protzman 7d61dd22ca Now adjusting for 45 degree phase offset 2022-04-10 11:38:00 -04:00
David Protzman 3f692e7a85 Adjusting for phase offset based on the ZC correlation 2022-04-10 11:37:13 -04:00
David Protzman bf919f8b41 Merge branch 'main' of github.com:proto17/dji_droneid into main 2022-04-09 19:23:55 -04:00
David Protzman c718fcc61a Added script to find sample offsets of ZC sequences (MATLAB only ATM) 2022-04-09 19:23:48 -04:00
proto17 6a559615c9
Update README.md 2022-04-09 18:13:00 -04:00
proto17 e79d756a63
Update README.md 2022-04-09 18:04:16 -04:00
proto17 cbb11b8ed4
Update README.md 2022-04-09 18:01:01 -04:00
proto17 cf29f5da1d
Update README.md 2022-04-09 00:41:55 -04:00
David Protzman 50c1ca8a50 No longer relying on the MATLAB zadoffChuSeq function 
This is to maintain support for Octave
 2022-04-09 00:00:11 -04:00
David Protzman 853347073c Removed interpolation and now use generated ZC sequence 2022-04-08 23:45:03 -04:00
David Protzman 01d6e70bfe Fixed comment about freq offset of recording 2022-04-08 23:44:21 -04:00
David Protzman 9f85c69cb0 Added function to create the ZC sequence for symbols 4 and 6 2022-04-08 23:43:54 -04:00
David Protzman fe75fa8792 Added script that brute forces the ZC sequence root 2022-04-08 19:15:19 -04:00
David Protzman b852b698c0 Added logic to write out the freq domain of each zc sequence to disk 2022-04-08 19:09:37 -04:00
David Protzman c958eaf7ef Added warning for Octave users 2022-04-08 17:50:57 -04:00
David Protzman 75cf636631 Changed to a new collect 2022-04-08 17:49:17 -04:00
David Protzman 7e2eb58359 Added logic to attempt to brute force the descrambler 
Doesn't seem to be working, but committing for historical purposes
 2022-04-08 16:03:03 -04:00
David Protzman fd63e285af Disabled automatic CFO detection 
This logic is flawed and is being worked on
 2022-04-08 16:02:24 -04:00
David Protzman 53c8f27ebe Added plot for the frequency shifted input 2022-04-08 16:00:30 -04:00
David Protzman 9702bb5c5c Merge branch 'main' of github.com:proto17/dji_droneid into main 2022-04-08 15:58:34 -04:00
David Protzman 8f1c18ba2f Added scrambler sequence script 
This is from https://www.sharetechnote.com/html/Handbook_LTE_PseudoRandomSequence.html
 2022-04-08 15:56:34 -04:00
proto17 20bfad89c2
Update README.md 2022-04-07 23:41:23 -04:00
proto17 c2226ed1ef
Update README.md 2022-04-07 23:39:21 -04:00
proto17 154d8963ac
Update links.md 2022-04-07 23:38:24 -04:00
proto17 c5f7dcf5c5
Update links.md 2022-04-07 23:03:31 -04:00
proto17 e4a921e094
Create links.md 2022-04-07 23:03:16 -04:00
proto17 865a0113ad
Update README.md 2022-04-07 22:58:43 -04:00
proto17 0ad468f4ff
Update README.md 2022-04-07 22:58:11 -04:00
proto17 940ce14595
Update README.md 2022-04-07 22:53:28 -04:00
David Protzman e2932fdf2b Merge remote-tracking branch 'origin/main' into main 2022-04-07 16:39:21 -04:00
David Protzman a13d9d9fa5 Added section for descrambling 2022-04-07 16:27:19 -04:00
David Protzman e788f0a678 Now have bits 2022-04-07 16:27:06 -04:00
David Protzman 6da609de33 Updated screenshot 2022-04-07 16:03:07 -04:00
David Protzman 046e92daca Removed terminal output in CFO estimator 2022-04-07 15:59:45 -04:00
David Protzman 28e5baab97 Now plotting the cyclic prefix estimations 2022-04-07 15:59:30 -04:00
David Protzman 27320ea588 Added data carrier extraction 2022-04-07 15:59:02 -04:00
David Protzman 03470af0b4 Added comments 2022-04-07 15:42:03 -04:00
David Protzman 0b0428434a Added warning about the strange CFO estimate constant 2022-04-07 15:41:47 -04:00
David Protzman f06aac45e6 Merge branch 'main' of github.com:proto17/dji_droneid into main 2022-04-07 15:35:24 -04:00
David Protzman e258c9fc8a Moved the plotting of symbol boundaries out to its own function 2022-04-07 15:32:00 -04:00
proto17 438e788870
Update README.md 2022-04-07 15:04:50 -04:00
David Protzman 3d22b84d13 Merge branch 'main' of github.com:proto17/dji_droneid into main 2022-04-07 15:03:25 -04:00