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Secure Network Connection Restoration

A network and network node technology, applied in the field of connection restoration, can solve problems that cannot completely solve privacy and security issues, and achieve the effect of preventing security and privacy issues

Active Publication Date: 2022-03-25
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the existing solutions cannot fully solve the privacy and security issues caused by using recovery identities to restore connections.

Method used

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Examples

Experimental program
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Embodiment Construction

[0088]An important feature of LTE Light Connect and RRC_INACTIVE is the ability of the RAN to reach the UE by initiating RAN paging within a configured "RAN Notification Area". Such RAN areas are configured as a list of cells associated with one or more nodes (eNB / gNB). figure 1 An exemplary communication network 100 is shown having a plurality of network nodes 110 (also referred to as gNB1 to gNB4 ), a user equipment (UE) 120 and a RAN area 130 . The UE 120 is configured with a RAN area 130 consisting of all cells associated with gNB1 and a subset of cells associated with gNB2 and gNB3. A UE can freely move between cells inside the configured RAN area 130 while in RRC_INACTIVE.

[0089] figure 2 The communication network 100 is shown during a paging process. When the RAN needs to reach UE 120 under RRC_INACTIVE, the node gNBi (one of gNB1 to gNB4) with CN / RAN connection for UE 120 initiates RAN paging in RAN area 130 . The cell associated with the source gNB is directly ...

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Abstract

A method in a network node includes obtaining a first identifier associated with resuming an inactive connection between a wireless device and a network. The method also includes receiving a second identifier from the wireless device. The second identifier is the same as or associated with the first identifier. The method also includes determining a location indicator based on the second identifier. The location indicator indicates a location within the network from which information associated with the connection is obtained. The method also includes obtaining information associated with the connection from the location indicated by the location indicator. The method also includes using information associated with the connection to facilitate restoring the connection between the wireless device and the network.

Description

technical field [0001] The present disclosure relates generally to wireless communications, and more particularly to handling connection recovery in wireless networks. Background technique [0002] An important feature of modern communication systems is the ability for wireless devices to go into an idle state, or suspend active connections, so that network resources and energy consumption are reduced when the wireless device is not required to communicate on the network. The wireless device may resume connectivity on the communications network after communicating the resume identification from the network to the wireless device. Several standards address how wireless devices can restore connectivity. [0003] For example, Long Term Evolution (LTE) Release-13 introduces the pending RRC state, where a user equipment (UE) in RRC_CONNECTED state will be released to RRC_IDLE state, where the release reason ( The indicator of releaseCause) is rrc-Suspend-v1320 (TS 36.331). [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W12/03H04W12/63H04W76/19H04W76/27
CPCH04W76/19H04W76/27H04W12/02H04W12/033Y02D30/70H04W76/11H04W12/63H04W12/0431H04W12/03H04W68/005
Inventor 帕特里克·鲁格兰德贡纳·米尔德
Owner TELEFON AB LM ERICSSON (PUBL)
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