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Unified authentication for integrated small cell and Wi-Fi networks

A network, network-time technology, applied in the field of unified authentication for integrating small cells and Wi‑Fi networks, can solve problems such as inefficiency, reduce the burden, and simplify the steps of mutual authentication

Active Publication Date: 2018-03-27
IPLA HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When small cells are co-located with Wi-Fi networks, it is inefficient to require the UE to detail running a full re-authentication at each handover between LTE and WLAN

Method used

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  • Unified authentication for integrated small cell and Wi-Fi networks
  • Unified authentication for integrated small cell and Wi-Fi networks
  • Unified authentication for integrated small cell and Wi-Fi networks

Examples

Experimental program
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Effect test

Embodiment Construction

[0081] Figure 9 Two different authentication paths are depicted for multi-RAT UE 214 accessing EPC 216 via an ISWN. UE 214 performs AKA algorithm with HSS 210 via HeNB 220 and MME 202 on the upper path for LTE connection, or uses AKA algorithm with HSS 210 via TWAN and AAA server on the lower path for WLAN connection. When UE 214 performs inter-RAT handover, it needs to re-run the authentication procedure with HSS 210 via MME 202 or AAA server 212 . The roles of MME 202 and 3GPP AAA server 212 are similar.

[0082] In an integrated small cell / Wi-Fi network, it is inefficient to re-run the complete authentication procedure at each handover event, with similar functionality provided by both the MME 202 and the AAA server 212 .

[0083] It should be understood that Figure 9 The functionality shown may be in the form of software (i.e., computer-executable instructions) stored in memory and executed on a processor of a wireless device or other device (e.g., a server, gateway, ...

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Abstract

Multi-RAT UEs currently have 2 independent paths to authenticate with HSS (either via the MME or the 3GPP AAA Server causing repeated authentication messages to HSS. The use of one unified authentication path between the UE and HSS for Small Cell and Wi-Fi authentication is described. First, a new 3GPP EPC-TWAN interworking architecture has the MME manage all the authentication requests from multi-RAT UEs. Second, new unified authentication procedures are added, which allow the ISWN-based multi-RAT UE to be authenticated directly with the HSS, irrespective of its current access network (TWAN or HeNB). Third, new fast re-authentication procedures for Inter-RAT handover scenarios are done. Finally, the needed extensions to the various standard protocol messages to execute the authenticationprocedures are described.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application Serial No. 62 / 171,497, filed June 5, 2015, the disclosure of which is incorporated herein by reference as if set forth in its entirety. Background technique [0003] Recently, Mobile Network Operators (MNOs) have shown great interest in deploying Integrated Small Cell and Wi-Fi (ISW) networks to accommodate the general increase in wireless data usage. More specifically, ISW networks utilize the deployment of long-term evolution (LTE) small cells in licensed spectrum and wireless local area network (WLAN) access points (APs) in unlicensed spectrum. ISW topics have been addressed by standardization, academic and industry bodies such as the 3rd Generation Partnership Project (3GPP), the Small Cell Forum (SCF), and the Wireless Broadband Alliance (WBA), among others. Such enormous interest will drive the development of various network architectures, su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04W12/06H04W36/08
CPCH04W12/04H04W36/0038H04L63/0892H04W36/08H04W36/1443H04W88/06H04W12/062H04W12/06H04W76/15H04W12/08H04W48/02H04W84/042H04W84/12H04W88/02H04W88/08
Inventor 艾哈迈德·穆罕默德迈克尔·F·斯塔西尼克维诺德·库马尔·乔伊李晴
Owner IPLA HLDG INC