Integration of wireless lan and 3g wireless interworking architecture between 3gpp and wlan systems
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Ahmavaara, K.; Haverinen, H.; Pichna, R.; Communications Magazine, IEEE 11 , Nov. 2003 PowerPoint PPT Presentation


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Integration of wireless LAN and 3G wireless - Interworking architecture between 3GPP and WLAN systems. Ahmavaara, K.; Haverinen, H.; Pichna, R.; Communications Magazine, IEEE 11 , Nov. 2003 報告者 : 洪英富. outline. WLAN system architecture

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Ahmavaara, K.; Haverinen, H.; Pichna, R.; Communications Magazine, IEEE 11 , Nov. 2003

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Integration of wireless lan and 3g wireless interworking architecture between 3gpp and wlan systems

Integration of wireless LAN and 3G wireless - Interworking architecture between 3GPP and WLAN systems

Ahmavaara, K.; Haverinen, H.; Pichna, R.;Communications Magazine, IEEE

11 , Nov. 2003

報告者 : 洪英富


Outline

outline

  • WLAN system architecture

  • 3GPP-based WLAN Access , Authentication and Authorization

  • User Data Routing and Access to Services

  • 3GPP-Based Charging for WLAN


Wlan system architecture

WLAN system architecture

  • WLAN terminal

  • Layer 2 distribution network

  • DNS

  • DHCP

  • AAA server / proxy

  • Billing system

  • Http server

  • Gateway NAPT


Wlan system architecture1

WLAN system architecture


Wlan system architecture 3gpp subscription for wlan

WLAN system architecture(3GPP Subscription for WLAN)

  • SIM/USIM

  • HSS


3gpp base wlan access authentication and authorization

3GPP-Base WLAN Access Authentication and Authorization

  • IEEE 802.11i

  • EAP SIM :authentication and key agreement protocol base on GSM

  • EAP AKA :encapsulates the UMTS Authentication and Key Agreement within EAP


User data routing and access to services

User Data Routing and Access to Services

  • The technical architecture regarding user data routing has not been agreed on in 3GPP

  • IP network selection : W-APN ,similar to the APN parameter used in GPRS

  • PDG : terminates the tunnel and acts as a gateway to the selected remote IP network

  • WAG : implement tunneling

  • Wn , Wp , Wu , W i : data plane

  • Wg , Wm : control plane


User data routing and access to services1

User Data Routing and Access to Services


3gpp based charging for wlan

3GPP-Based Charging for WLAN

  • Two different charging methods :

    (1)postpaid

    (2)prepaid :

  • CG : for postpaid , The charging information collection happens via so-callde charging gateway (CG)

  • OCS : online charging system for prepaid


3gpp based charging for wlan1

3GPP-Based Charging for WLAN

  • ..


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