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)

  • TELEFONAKTIEBOLAGET LM ERICSSON ( PUBL)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Qian Mölndal, SE 89 220
Yang, Yong Kållered, SE 219 637

Cited Art Landscape

Patent Info (Count) # Cites Year
 
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) (1)
* 2015/0173,121 METHOD AND APPARATUS FOR REDUCING SIGNALING IN A CORE NETWORK 3 2013
 
VASONA NETWORKS INC. (1)
* 9398625 Triggering a signaling event from the data plane 1 2013
 
NOKIA TECHNOLOGIES OY (1)
* 2010/0322,068 DIRECT TUNNEL ERROR HANDLING 11 2007
 
HUAWEI TECHNOLOGIES CO., LTD. (1)
* 8125889 Method, system and device for recovering invalid downlink data tunnel between networks 7 2009
* Cited By Examiner

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