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DOC - Added instructions for testing SDAP & Multiple DRBs

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Angelo Athanassopoulos
2022-10-04 13:03:51 +02:00
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doc/RUNMODEM.md
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@@ -181,6 +181,17 @@ where `-r` sets the transmission bandwidth configuration in terms of RBs, `-C` s
Additionally, at UE side `--uecap_file` option can be used to pass the UE Capabilities input file (path location + filename), e.g. `--uecap_file ../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/uecap.xml`
### Run OAI with SDAP & Custom DRBs
To run OAI gNB with SDAP, simply include `--gNBs.[0].enable_sdap 1` to the binary's arguments.
The DRB creation is dependent on the 5QI.
If the 5QI corresponds to a GBR Flow it assigns a dedicated data radio bearer.
The Non-GBR flows use a shared data radio bearer.
To hardcode the DRBs for testing purposes, simply add `--gNBs.[0].drbs x` to the binary's arguements, where `x` is the number of DRBs, along with SDAP.
The hardcoded DRBs will be treated like GBR Flows. Due to code limitations at this point the max. number of DRBs is 4.
## IF setup with OAI
OAI is also compatible with Intermediate Frequency (IF) equipment. This allows to use RF front-end that with arbitrary frequencies bands that do not comply with the standardised 3GPP NR bands.