Preserving S1-AP UE contexts on SCTP failover
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United States of America Patent
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Jun 5, 2018
Issued Date -
N/A
app pub date -
Feb 11, 2016
filing date -
Feb 13, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
According to some embodiments, a method in a network node of a wireless communication network comprises determining that a plurality of S1-AP UE contexts maintained by the network node remain valid after a SCTP failure; generating an S1 Setup Request message comprising an indication that the UE contexts remain valid; and communicating the S1 Setup Request message to a MME. In particular embodiments, a method in an MME comprises receiving an S1 Setup Request message from a network node comprising an indication that UE contexts maintained by the network node remain valid after a SCTP failure. The MME determines a plurality of UE contexts maintained by the MME remain valid after a SCTP failure; generates an S1 Setup Response message comprising an indication that UE contexts maintained by the MME remain valid; and communicates the S1 Setup Response message to the network node.
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Patent Citation Ranking
- 2 Citation Count
- H04L Class
- 17.38 % this patent is cited more than
- 7 Age
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