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Feature #1557

Implement uplink TBF reject

Added by laforge over 2 years ago. Updated over 1 year ago.

Status:
Closed
Priority:
Normal
Target version:
-
Start date:
02/23/2016
Due date:
% Done:

0%

Spec Reference:

Description

We currently don't send a Reject in case there are no resources to allocate an uplink TBF. This should be analogous to a IMMEDIATE ASSIGNMENT REJECT on GSM.

An uplink TBF is requested by a MS when it wants to send some packet
data to the network. Right now we can only
a) allocate a TBF if we have resources available, or
b) time out in case none are available, makig the phone retry quickly

By sending an explicit REJECT one can explicitly notify the MS that
right now it is not possible to establish uplink TBF.

When we implemented the same concept on the circuit-switched GSM side,
we significantly improved performance in overload conditions.

History

#1 Updated by arvind.sirsikar almost 2 years ago

  • Status changed from New to In Progress
  • Assignee set to arvind.sirsikar

#2 Updated by arvind.sirsikar almost 2 years ago

Currently handling immediate assignment reject is merged to osmo-pcu
https://git.osmocom.org/osmo-pcu/commit/?id=c0c3afd0794c217e6fc33b18eb9366c8cfe8b020

And for packet access reject for PRR and PDAN/EPDAN are pending for review
https://gerrit.osmocom.org/#/c/1209/
https://gerrit.osmocom.org/#/c/1216/1
are pending at Gerrit review

#3 Updated by arvind.sirsikar almost 2 years ago

2 patches has been merged to master

https://gerrit.osmocom.org/#/c/1216/ is the only patch pending at Gerrit review.

#4 Updated by arvind.sirsikar almost 2 years ago

  • Status changed from In Progress to Stalled

Waiting for Gerrit reviewers for review completion.

#5 Updated by lynxis over 1 year ago

The last pending patch has been merged. Is there anything left regarding this issue? Or can we close it?

#6 Updated by arvind.sirsikar over 1 year ago

  • Status changed from Stalled to Resolved

The last remaining patch https://gerrit.osmocom.org/#/c/1216/ is merged to osmo-pcu master branch. Hence closing this feature.

#7 Updated by arvind.sirsikar over 1 year ago

  • Status changed from Resolved to Closed

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