The List of Open Source Software Patches

Last Update: February 2016

  • ns3 - Backoff Timer Countdown Correction ♦
  • Release Date:
  • February 2016
  • Description:
  • Adjusts the countdown procedure of backoff timer when nodes are using 802.11 Enhanced Distributed Channel Access (EDCA) as the MAC layer control model.
  • ns3 - Additional Backoff Timer Trigger ♦
  • Release Date:
  • February 2016
  • Description:
  • Initiates an additional backoff when a channel access is requested and the channel is in either IFS idle or ack timeout, while the backoff timer is zero.
  • ns3 - Queue Management Policy ♦
  • Release Date:
  • February 2016
  • Description:
  • Provides an option which allows to drop the oldest packet in the packet queue instead of the newest packet when the queue is full.
  • ns3 - Frame Capture ♦
  • Release Date:
  • February 2016
  • Description:
  • Allows the nodes to switch to a stronger signal during an ongoing reception of a packet with a weaker signal.
  • ns3 - Mobility Helper ♦
  • Release Date:
  • February 2016
  • Description:
  • Improves the accuracy of mobility model when GPS data is used as the mobility trace input.
  • SUMO - TraceExporter.py
  • Release Date:
  • September 2015
  • Description:
  • This patch fixes the problem with exporting traces blong to a person entity (i.e. a pedestrian) from fcd format to different "trace file" formats using by ns2/ns3, OMNET, PHEM. This patch (Thanks to Michael Behrisch) is already included in the SUMO repositories (New versions after Sep. 2015)

♦ Acknowledgment: These patches have been developed jointly at WINLAB, Rutgers University and West Virginia University as part of the V2V safety communications scalability activity of the Interoperability Issues of Vehicle-to-Vehicle Based Safety Systems (V2V-Interoperability) Project headed by the Crash Avoidance Metrics Partnership (CAMP) Vehicle Safety Communications 3 (VSC3) Consortium, in partnership with the United States Department of Transportation (USDOT).