Network node, a mobility management node and methods therein for handling GTP tunnel failures in a radio communications network

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United States of America Patent

PATENT NO 9992692
SERIAL NO

15515662

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Abstract

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A method performed by a network node (110) for handling a GTP tunnel failure in a radio communications network (100) is provided. The network node (110) receives a release message from a mobility management node (150) for a wireless device (121) associated with the network node (110). The release message comprises information identifying at least one E-UT-RAN Radio Access Bearer, E-RAB, and information that the release message was caused by a DPRS Tunneling Protocol, GTP, error indication. The network node (110) also allocates one or more tunnel endpoint identifiers, TEIDs, for the at least one E-RAB identified in the received release message. Then, the network node (110) transmits a modification message to the mobility management node (150) to modify the at least one E-RAB identified in the received release message, said modification message comprising the allocated one or more TEIDs for the at least one E-RAB. A network node for handling a GTP tunnel failure in a radio communications network (100) is also provided. A mobility management node (150) and a method therein for handling a GTP tunnel failure in a radio communications network (100) is also provided.

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Patent Owner(s)

Patent OwnerAddress
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)SE-164 83 STOCKHOLM SE-164

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Qian Mölndal, SE 96 245
Yang, Yong Kållered, SE 233 689

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