| commit | e22b02d3b4da1ed20376aec02364f69e2ef60d85 | [log] [tgz] |
|---|---|---|
| author | Pau Espin Pedrol <pespin@sysmocom.de> | Mon Jun 19 18:38:33 2023 +0200 |
| committer | Pau Espin Pedrol <pespin@sysmocom.de> | Tue Jun 20 11:30:01 2023 +0200 |
| tree | 92467403b9228587a1b112117621ab9c0589be94 | |
| parent | 8c52bef6c62bc681fbc18a863f36cc7756388ebd [diff] |
Differentiate between T3192 and T3193 T3192 on the MS side (boadcasted by the network on SI13) is used for the MS to stay monitoring the PDCH of a DL TBF after sending PKT DL ACK/NACK for the last DL data block (FinalAck=1). T3193 is the counterpart in the network, defined as >T3192, which is used to make sure the TFI is no longer used by the MS and hence can be reused/re-assigned again. Hence, we want to differentiate between those 2 timers, since the first one gives us information on how late can we still tx PktDlAss on PACCH on that DL TBF, while the later only provides info on when to free the DL TBF in order to reuse the TFI. Change-Id: I7421342461bf159d945651037e6fe690f88c6fae
This repository contains a C/C++-language implementation of a GPRS Packet Control Unit, as specified by ETSI/3GPP. It is part of the Osmocom Open Source Mobile Communications project.
The Packet Control Unit is terminating the Layer 2 (RLC/MAC) of the GPRS radio interface and adapting it to the Gb Interface (BSSGP+NS Protocol) towards the SGSN.
The PCU interfaces with the physical layer of the radio interface. OsmoPCU is typically used co-located with the BTS, specifically OsmoBTS. For legacy BTSs that run proprietary sotware without an interface to OsmoPCU, you may also co-locate it with the BSC, specifically OsmoBSC
The official homepage of the project is https://osmocom.org/projects/osmopcu/wiki/OsmoPCU
You can clone from the official osmo-pcu.git repository using
git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-pcu
There is a web interface at https://gitea.osmocom.org/cellular-infrastructure/osmo-pcu
We provide a user manual as well as a vty reference manual
Please note that a lot of the PCU configuration actually happens inside the BSC, which passes this configuration via A-bis OML to the BTS, which then in turn passes it via the PCU socket into OsmoPCU.
Discussions related to osmo-pcu are happening on the osmocom-net-gprs@lists.osmocom.org mailing list, please see https://lists.osmocom.org/mailman/listinfo/osmocom-net-gprs for subscription options and the list archive.
Please observe the Osmocom Mailing List Rules when posting.
Our coding standards are described at https://osmocom.org/projects/cellular-infrastructure/wiki/Coding_standards
We us a gerrit based patch submission/review process for managing contributions. Please see https://osmocom.org/projects/cellular-infrastructure/wiki/Gerrit for more details
The current patch queue for osmo-pcu can be seen at https://gerrit.osmocom.org/#/q/project:osmo-pcu+status:open