Here you find my diploma thesis on a speech transmission system for a bicycle convoy which incorporates simulator, RFM69 emulator, rudimentary TDMA method (based on ALOHA), AMR error injection and speech quality evaluation, rudimentary radio emission evaluation.
(Sometime in future you will find a more comprehensive description here)
-> here's the thesis as pdf file (4.5 MiB)
-> here's the nearly original project directory (275 MiB) (only tiny spelling mistakes corrected). Caution, files are somewhat unsorted - but there's a readme with first steps.
-> project directory, one tiny sub version newer (252 MiB).
-> here's the essential extracted Code (7.1 MiB).
Project's main license is Apache License 2.0
Update am 20. Juni 2018 (unbekannte Änderung)
Update am 12. Oktober 2018 (Links angepasst)
Document of June 6, 2018, last modification on 12 October 2018. Page source