Fayçal Ait-Aoudia
Fayçal Ait-Aoudia
Your understanding of how (optional) normalisation is done in Sionna is correct. Optional per-batch-example normalisation was implemented as it allows convenient control of the SNR of a resource grid or...
The observed artefact is expected when normalizing the channel frequency responses of each batch example separately. Starting from version 0.11, CDL and TDL power delay profiles are normalized to have...
Hi, Are you using XLA? If so, it would explain why you get this error, as `Scene.coverage_map()` does not work with XLA.
Sionna does not activate XLA. Could you try with the latest version of Sionna (0.16.0)?
Could you share a minimal code snippet that reproduces the issue?
Hi @majestichou, Unfortunately, I can't reproduce the error. Have you made any changes to Sionna's code?
The channel coefficients generated by the CDL model are random. The unit test `test_powers` ensures that when averaging over multiple independent channel impulse response realizations, the average powers of the...
The CDL model class in Sionna implements the channel model as specified in section 7.7.1 of the 3GPP TR 38.901 standard. The unit tests are designed to ensure the accuracy...
In the scene you are loading, the shape is renamed to `merged-shapes` due to the shape merging process that occurs when scenes are loaded. You can disable this by setting...
Hi @StevenHe1006, Thank you for reporting this issue. We've confirmed that this is indeed a bug. It will be fixed in the next release.