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Method for providing security for multiple NAS connections using separate counts and associated network nodes and wireless terminals

A technology of wireless terminals and network nodes, applied in the field of communication, can solve the problems of unreliable and orderly delivery of NAS messages, and achieve the effect of improving management

Active Publication Date: 2022-07-26
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, for multiple connections via 3GPP and non-3GPP access, the ordered delivery of NAS messages via different connections may be unreliable

Method used

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  • Method for providing security for multiple NAS connections using separate counts and associated network nodes and wireless terminals
  • Method for providing security for multiple NAS connections using separate counts and associated network nodes and wireless terminals
  • Method for providing security for multiple NAS connections using separate counts and associated network nodes and wireless terminals

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Embodiment Construction

[0024] The inventive concepts will now be described more fully hereinafter with reference to the accompanying drawings, in which examples of embodiments of the inventive concepts are shown. The inventive concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the inventive concept to those skilled in the art. It should also be noted that these embodiments are not mutually exclusive. Components from one embodiment may be implicitly assumed to be present / used in another embodiment.

[0025] The following description presents various embodiments of the disclosed subject matter. These embodiments are presented as teaching examples, and are not construed to limit the scope of the disclosed subject matter. For example, certain details of the described embodiments may be modif...

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PUM

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Abstract

The first communication node may provide first and second NAS connection identities for respective first and second NAS connections between the first and second communication nodes, wherein the first and second NAS connection identities are different and the first and second NAS connection identities are different. The two NAS connections are different. The first NAS message may be communicated between the first and second communication nodes over the first NAS connection, including performing integrity protection on the first NAS message using the first NAS connection identity and / or using the first NAS connection identity NAS messages perform confidentiality protection. The second NAS message may be communicated between the first and second communication nodes over the second NAS connection, including performing integrity protection on the second NAS message using the second NAS connection identity and / or using the second NAS connection identity NAS messages perform confidentiality protection for confidentiality protection.

Description

technical field [0001] The present disclosure relates generally to the field of communications, and more particularly, to wireless communications and related network nodes and wireless terminals. Background technique [0002] In a 5G system, the UE can have 3GPP access (eg, using LTE or 5G access nodes, also known as base stations, eNBs, gNBs, etc.) and non-3GPP access (eg, using WiFi or satellite nodes) are registered to the same PLMN at the same time. For this purpose, the wireless terminal UE and the network AMF (Access Management Function) are expected to maintain one connection for each access type (ie one connection for 3GPP access and one connection for non-3GPP NAS connection). In this case, TS23.501 (referred to as reference [1]) further describes which elements of the user context in AMF are to be shared between connections and which are not to be shared. For example, there may be multiple connection management (CM) and registration management states, one for eac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32H04W12/03H04W12/033H04W12/041H04W12/0431H04W12/069H04W12/106H04W88/06H04W88/10
CPCH04W12/03H04W12/068H04W12/106H04L9/3242H04W88/06H04W88/10H04L2209/80H04W12/033H04W12/0431H04W12/041H04W12/069H04W12/02H04W76/11H04W76/15H04L67/1097H04W84/18H04W72/52
Inventor N.本恒达M.维夫沃森
Owner TELEFON AB LM ERICSSON (PUBL)