Skip to content

lte (fixes #351): Handover failure improvements

Tom Hendersonrequested to merge
tomhenderson/ns-3-dev:ho-failure into master

This MR adds better modeling of handover failure in LTE, including the following enhancements:

  • Addition of a handover failure state and accounting for RACH failures during handover
  • Handling of three different cases of HANDOVER JOINING timeout using HANDOVER PREPARATION FAILURE.
  • Handling of HANDOVER LEAVING timeout by adding the HANDOVER CANCEL message
  • Split of previous LteEnbRrc::HandoverFailure trace into four separate traces due to different failure conditions
  • Test cases for eight handover failure scenarios

Original patch (six commits) from Zoraze Ali's 'ho_failure' branch; Zoraze then asked Sachin Nayak to split the trace source and to add suitable tests.

Merge request reports