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