METHODS AND APPARATUS FOR RELOCATING AND RESTORING CONNECTIONS THROUGH A FAILED SERVING GATEWAY AND TRAFFIC OFFLOADING

Abstract

In a wireless communication network, a serving gateway support node controls connections between user equipment nodes and a packet-based network, passing through at least one serving gateway and at least one packet gateway. The serving gateway support node detects a failure in communication to the first serving gateway. The serving gateway support node initiates relocation of the existing connections in response to the detected failure so that the existing connections through the first serving gateway instead pass through the second serving gateway. The serving gateway support node detects the recovery of the communication to the first serving gateway and, in response, stops the relocation of at least some of the existing connections that have not yet been relocated to the second serving gateway. Related methods, serving gateways, and packet gateways are also disclosed.

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4G	24/06/2015	ISLD-201506-018	ERICSSON INC	S1 TS Number: TS 123 401 v12.7.0 Version No: v12.7.0 Illustrative part: 5.3 Release: 12 + -	No	Family Member
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2G 3G 4G 5G

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US2012063300A1	4G	24/06/2015	ISLD-201506-018	ERICSSON INC	S1 TS Number: TS 123 401 v12.7.0 Version No: v12.7.0 Section No: ---- Release : 12 + -	Yes	Basis Patent
US2012063300A1	4G,3G,2G	24/06/2015	ISLD-201506-018	ERICSSON INC	S1 TS Number: TS 123 007 v12.7.0 Version No: v12.7.0 Section No: ---- Release : 12 + -	Yes	Basis Patent
US2012063300A1	5G	19/09/2023	ISLD-202309-053	ERICSSON INC	S1 TS Number: TS 123 527 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
US8848516B2	4G	24/06/2015	ISLD-201506-018	ERICSSON INC	S1 TS Number: TS 123 401 v12.7.0 Version No: v12.7.0 Section No: ---- Release : 12 + -	Yes	Basis Patent
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US8848516B2	5G	19/09/2023	ISLD-202309-053	ERICSSON INC	S1 TS Number: TS 123 527 Version No: ---- Section No: ---- Release : ---- + -	No	Family Member
CA2811467A1	4G	24/06/2015	ISLD-201506-018	ERICSSON INC	S1 TS Number: TS 123 401 v12.7.0 Version No: v12.7.0 Section No: ---- Release : 12 + -	No	Family Member
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Mobility and handover

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Gateway node

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