TW200803296A - System and method for tight inter-working between wireless local area network (WLAN) and universal mobile telecommunication systems (UMTS) - Google Patents

System and method for tight inter-working between wireless local area network (WLAN) and universal mobile telecommunication systems (UMTS) Download PDF

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TW200803296A
TW200803296A TW095149341A TW95149341A TW200803296A TW 200803296 A TW200803296 A TW 200803296A TW 095149341 A TW095149341 A TW 095149341A TW 95149341 A TW95149341 A TW 95149341A TW 200803296 A TW200803296 A TW 200803296A
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network
area network
local area
wireless local
plmn
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Narayan Parappil Menon
Prabhakar R Chitrapu
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Interdigital Tech Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0227—Filtering policies
    • H04L63/0245—Filtering by information in the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0892—Network architectures or network communication protocols for network security for authentication of entities by using authentication-authorization-accounting [AAA] servers or protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/41—Billing record details, i.e. parameters, identifiers, structure of call data record [CDR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H04W12/062—Pre-authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0019—Control or signalling for completing the hand-off for data sessions of end-to-end connection adapted for mobile IP [MIP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
    • H04W36/1446—Reselecting a network or an air interface over a different radio air interface technology wherein at least one of the networks is unlicensed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0152—General billing plans, rate plans, e.g. charge rates, numbering plans, rate centers, customer accounts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/01—Details of billing arrangements
    • H04M2215/0164—Billing record, e.g. Call Data Record [CDR], Toll Ticket[TT], Automatic Message Accounting [AMA], Call Line Identifier [CLI], details, i.e. parameters, identifiers, structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/2026—Wireless network, e.g. GSM, PCS, TACS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/2033—WLAN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/204—UMTS; GPRS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/22—Bandwidth or usage-sensitve billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/32—Involving wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Description

200803296 九、發明說明： 【發明所屬之技術領域】 本發明係與通用行動電信系統（UMTS)有關，更特別地 是’本案係為與無線區域網路（WLAN)及通用行動電信系統 (UMTS)間之緊密互作系統有關的發明。 【先前技術】 存在著一個需求，即能提供無線區域網路（WLAN)及通 用打動電信系統（UMTS)間緊密互作之系統架構，其並具有 能支援下述之架構： 於兩系統間之交接； 當終端在兩系統間交接時，通話管理及連接；以及 在兩系統間鬆散互相作用國際漫遊通信定義表。 【發明内容】 WLAN及UMTS技術係有效地相結合，以相互作用及支持 一緊始、互作通信定義表。UMTS之Iur介面係被用於無損失的交 接，行動網際協定（IP)則被利用於通話管理及連接，而 DIAMETER通訊協定訊號則被用於認證及會計。 【實施方式】 第1圖顯示-系統架構1G，其包括-公共區域行動網路 (PLMN) 12，而該公共區域行動網路12係包含_本籍位置登記 /本籍用戶伺服器(HLR/HSS) 14、一認證授權及會計用戶二備 (AAAH) 16、一計費通訊閘功能(CGF) 18、一本籍客服以 200803296 及一整合封包式無線服務支援節點沿GSN)22。 一無線區域網路網際協定通訊閘(WLANIP GW)，也就是 WIP-GW 30，在結合防火牆後，可利用兩個Ap建立起信號及 資料之界面；例如AP 32和34。使用者設備(UE) 36以雙模態 WLAN/UMTS UE較好。 ’ 系統中之資料處理程序如下： 在PLMN 12之WIP-GW 30及本籍客服20之間具有一行動 網際協定(MIP)界面。WIP-GW 30係結合行動網際協定外部客 服之功能與數種無線網路控制(RNC)之功能，WIP-GW30對於 PLMN 12來說像是一外部客服、但對於ap來說則像是一無線 區域網路控制器(RNC)，輸入的資料係傳送於PLMN (本籍客 服）和WLAN (WIP-GW) 30間之通道，正如輸入資料線％所 表示，輸出的資料則直接從WIP-GW30流向網際網路4〇，如輪 出網際協定貢料線42所表示。 PLMN 12藉由使用其HSS/HLR 14以提供認證與訂購管理 的服務。DIAMETER是一種網際協定網路中處理授權、認證 及會計功能的網際主協定（IPdomainprotocol)，在本結構中 DIAMETER的使用使得以網際協定ip為基礎的認證、授權及會 計(AAA)程序能夠在WIP-GW和PLMN之間正常運作。由二 PLMN原本即為一種UMTS網路，所以在PLMN提供認證與授 權程序的節點是HSS/HLR，而提供會計功能的PLMN節點是叶 費通訊閘功能(CGF)。HSS/HLR和CGF提供UMTS程序及信號 發送以幫助這些功能運作。AAAH提供以網際協定為基礎的 AAA程序和與其相對應的UMTS程序間之信號發送互作，使得 輸入或輸出於HS S/HLR和CGF的AAA功能也能在無線區域網 路系統中運作，同樣地，MIP提供網際協定網路中的行動管理 6 200803296 私序。在一個UMTS網路中，封包轉換資料服務的行動管理程 序係由GGSN所處理。本結構中的本籍客服針提供介 於MIP程序(於WIP_GW和本籍客服間運作）以及UMTS行動應 用部份(MAP)介面之間的互作，號係自 WIP-GW30輸出後，途經AAA外部(AAAF)功能44以及AAA用 戶(AAAH)功能16，最後輸入本籍客服2〇。而ΜΠ>登錄信息則 是透過無線連結48而被納入DIAMETER信號發送中。 AAAH 16針對HLR/HSS 14而藉由行動應用部份 (MAPX鍺介面）而與DIAMETER互作，使得hss/hu^於認證 之運作正常。 、AAAH 16係使用GPRS穿隧協定(GTP)(藉由鎵介面）而作 為PLMN計費通訊閘功能(CGF)18之介面，以使得？1^_收費 伺服器之運作正常。 、 !線區域網路和UMTS PLMN 12之間的通話連續性可藉 由使用MIP (於WIP-GW30和本籍客服20之間）和GTP (於本 籍各服20和GGSN22之間）而獲得，而本籍客服2〇提供兩種介 面間之互作，通話連續性可確保使用者在存取點(Access Point，例如32及34)間和UMTS及WLAN網路間移動時，其通 話及網際協定位址皆能保持不變。而更為進步的是，當使用者 在各網路間移動時，GGSN 22之運作正如同通話資料的錨點 (Anchor P〇int)。舉例來說，在結構1〇中，如果使用者如第2圖 所示地，自無線區域網路移動到UMTS網路(UMTS八⑺⑽Nw) 5〇時，使用者的通話位置在GGSN 22中仍然是固定的，且因此 在移動當中亦能夠保持。當位於UMTS Access Nw 5〇時，使用 者設備36係藉由PLMN中的UMTS無線存取網路(RAN)和伺服 GpRS支援節點(SGSN)元件52而能與錨點的GGSN22通信。無 7 200803296 線區域網路和UMTS PLMN之間的交接係藉由Iur介面(以你表 示）所完成，而WIP-GW則支援自UMTS Iur界面46至1;乂了^ RAN内之無線網路控制器(rnc)的運作。 【圖式簡單說明】 第1圖及第2圖係分別為將本發明之原則具體化的wlan& UMTS網路系統架構圖。 【主要元件符號說明】 10系統架構 12公共區域行動網路 14本籍位置登記/本籍用戶伺服器 16認證授權及會計用戶設備 18計費通訊閘功能 20本籍客服 22整合封包式無線服務支援節點
30 WIP-GW
32、34 AP 36使用者設備 40網際網路 44 AAA外部功能 48無線連結 52節點元件 > 3 8輸入貧料線 42輸出網際協定資料線 46 UMTS Iur界面 50UMTTS 網路 8

Claims (1)

  1. 200803296 十、申請專利範圍： 1·使用一核心網路在一無線區域網路(WLAN)及一通用行動電信 系統(UMTS)間緊密互作的裝置，用以將通信服務提供給一使用 者设備(UE)在其操作，該無線區域網路包含一網際協定通訊閘 (IP GW)，該網際協定通訊閘合併有一防火牆並結合一行動網際 協定(MIP)外部客服之功能與數種無線網路控制器(rnC)之功 能，該核心網路具有通話管理與連續性、認證以及計費之資源， 該裝置包含： 、 該通用行動電信系統和該無線區域網路使用一 Iur介面以支持 其間之遞交；以及 該通用行動電k系統和該無線區域網路使用相同的核心網路 以用於通話管理與連續性、認證以及計費資源。 2·如申請專利範圍第丨項之方法，其中當該使用者設備在該無線 區域網路及該通用行動電信系統間移動時，透過diAMETER在 u亥無線區域網路網際協定通訊閘和該核心網路信號之間發送信 號的該行動網際協定係提供維持該無線區域網路及該通用行動 電信系統間的通話。 3·如申請專利範圍第1項之方法，其中該核心網路係為一公共區 域行動網路(PLMN)，且該通用行動電信系統和該無線區域網路 採用一公共區域行動網路計費平台。 4·如申請專利範圍第1項之方法，其中該核心網路係為一公共區 域行動網路(PLMN)，且該通用行動電信系統和該無線區域網路 採用公共區域行動網路本籍位置登記/本籍用戶伺服器 (HLR/HSS)以進行認證。 5· 一種提供一無線區域網路(WLAN)及一通用行動電信系統 (UMTS)間緊密互作及遞交的系統，該系統包含： 9 200803296 f核心網路，具有通話管理與連續性、認證以及計費之資源； 该通用行動電信系統和該無線區域網路中各具有經由一如 面赠另—直接通訊之展置，以提供-使用者設備（UE)由該通 =订動電㈣統及該無線區域網路其巾之—遞交至該通用行 4吕糸統及該無線區域網路其中另一· 和該鱗㊄域繼巾各财制相同的 核罔路貝源以進仃啦舌管理與連續性、認I登以及計費之裝置； 以及 该無線區域網路包含一網際協定通訊閉(IP Gw)，其合 防火牆亚將-彳了動網㈣定(MIP)外部客服之魏與 路控制(RNC)之功能進行結合。 ^罔 6·如申料樣圍第5項之系統，更包含該無線區域網路和該 :網路具有當錢用者設備在該無線區域網路與麵用行動雷 ^系統之間移動時，用以使用行動網際協定於diamet 信號以將使用者設備的認證、授權和會計服務提供給 ^ 無線區域網路與該通用行動電信系統之間= 7·如申明專利關第6項之系統，其巾該核心網路 域行動網路(PLMN)。 8·如申請專職圍第7項之线，財該鱗區_路包含用以 利用订動網際協定從該公共_行_路接收進人 置，以及用以透過該網際網路傳送外出資料之裝置。 衣 9.=申凊專伽圍第8項之系統，其中該公共區域行動網路包含 -通訊閘整合封包式無線服務支援節點(g(}sn)和 (=:=通道至設於該無線區域網路中的二 200803296 10. 如申請專利範圍第9項之系、統，其中該本 定以與該網關路進行通信。 ㈣使用桃協 11. 如一申^專利翻第8項之系統，其中該公魏域行動網路包含： 網路=力能(CGF) ’ 務提供給該無線區域 網路和该通用行動電信系統；以及 和她置登記/本籍用戶值_LR/HSS)，用以提供認證 禾純服務予該無線區域鱗和該行動電信系統。 12^=_細第11項之系統，射該公聽域行動網路包 二〕，登、授權、會計用戶(AAAH)，其係、與該計費通訊間功能、 二t猎位置登記/本_戶·器以及設於該無輕域網路之 =證、授權會計外部(AAAF)進行通訊，藉以將認證、授權和 δ a十服務提供給該無線區域網路。 13= 12項之織，其巾該認證、授權會計外部 協也杈權、會計用戶的通信提供給該無線區域網路網際 ·=申Γ專利耗圍第12項之系統，其中該認證、授權會計用戶 ，、〜本籍客服合作以提供認證、授權會計用戶服務。
TW095149341A 2002-07-02 2003-07-01 System and method for tight inter-working between wireless local area network (WLAN) and universal mobile telecommunication systems (UMTS) TW200803296A (en)

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