TWI259007B - 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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TWI259007B
TWI259007B TW092118021A TW92118021A TWI259007B TW I259007 B TWI259007 B TW I259007B TW 092118021 A TW092118021 A TW 092118021A TW 92118021 A TW92118021 A TW 92118021A TW I259007 B TWI259007 B TW I259007B
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umts
wlan
plmn
local area
wireless local
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TW200406131A (en
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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
    • 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
    • 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
    • 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

1259007 五、發研說赞行) 發明領域 本發明係關於通用行動電信系統（UMTS )，更特別^ 是，本發明係為關於無線區域網路（WLAN )芬、s + 化糸統（UMTS )間之緊岔互作系統。 發明背景 路（WLAN )及 統架構，其並 ;以及 表0
存在著〆個需求’即能提供無線區域網 通用行動電信系統（龍TS )間緊密互作之系 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 在兩系統間鬆散互相作用國際漫遊通信定義 發明内容 WLAN及UMTS技術係有效地相結合，以相互作用及支持 一緊密互作通信定義表。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
第一圖顯示一系統架構1 〇，其包括一公共區域行動網 路（PLMN) 12，而該公共區域行動網路12係包含一用戶位 置登記/用戶訂購伺服器（HLR/HSS) 14、一認證授權及會 計用戶設備（AAAH) 16、一計費通訊閘功能（CGF) 18、一 用戶客服20 ’以及一整合封包式無線服務支援節點（GGSN) 22 〇 一無線區域網路網際協定通訊閘（WLAN IP GW)，也就
第6頁 1259007 五、¥丽------------------------------------------------------------------------—— —————-…——- 疋WIP-GW 30 ’在結合防火牆後，可利用兩個Ap建立起信 號及貨料之界面；例如AP 3 2和3 4。使用者設備（龍）3 6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W IP-GW 30及用戶客服2〇之間具有一行動 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-GW 30 對於PLMN 1 2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 (用戶客服）和WLAN (WIP-GW ) 30間之通道，正如輸入資 料線38所表示，輸出的資料則直接&WIp —GW3〇流向網際網 路40，如輸出網際協定資料線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 5登及會计功能的網際主協定（ip domain protocol)，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。由於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節點是計費通訊閘功能（CGF)。HSS/HLR和CGF提供 U Μ T S程序及信號發送以幫助這些功能運作。a A A Η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HSS/HLR和CGF的AAA功能 也能在無線區域網路系統中運作，同樣地，Μ I P提供網際
第7頁 1259007 五1發明ό元明一-----------------------------------------------------------------------------——---------------------------------------------- 協定網路中的行動管理程序。在一個UMTS網路中，封包轉 換資料服務的行動管理程序係由G G S N所處理。本結構中的 用戶客服針對GGSN提供介於MIP程序（於WIP-GW和用戶客服 間運作）以及UMTS行動應用部份（MAP)介面之間的互作， MIP/DIAMETER信號係自WIP-GW30輸出後，途經AAA外部 (AAAF)功能44以及AAA用戶（AAAH)功能16，最後輸入用戶 客服2 0。而Μ I P登錄信息則是透過無線連結4 8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（MAP) (鍺介面）而與DIAMETER互作，使得HSS/HLR用於認證之運 丨· 作正常。 AAAH 16係使用GPRS穿隧協定（GTP)(藉由錄介面）而作 為PLMN計費通訊閘功能（CGF)18之介面，以使得plmn收費 伺服器之運作正常。 ' 無線區域網路和UMTS PLMN 12之間的通話連續性可藉 由使用MIP (於WIP-GW30和用戶客服20之間）和GTP (於用曰 戶客服20和GGSN22之間）而獲得，而用戶客服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' 通話資料的錯點（Anchor Point)。舉例來說，在結構1〇δ 中，如果使用者如第二圖所示地，自無線區域網路移 UMTS網路（UMTS Access NW) 50時，使用者的通話位置在 1259007
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 50時，使用者設備3β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GGSN 22通信。無線區域網路 和UMTS PLMN之間的交接係藉由Iur介面（以46表示）所完 成，而WIP-GW則支援自UMTS Iur界面46至UMTS RAN内之無 線網路控制器（R N C )的運作。
1259007 圖式w覃i弭 — 第一圖及第二圖係為將本發明之原則具體化之WLAN及UMTS 網路糸統架構圖。 元件符號說明 10 系統架構 12 公共區域行動網路 14 用戶位置登記/用戶訂購伺服器 16 認證授權及會計用戶設備 18 計費通訊閘功能 20 用戶客服 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 38 輸入資料線 40 網際網路 42 輸出網際協定資料線 44 AAA外部功能 46 UMTS Iur 界面 48 無線連結 50 UMTS網路 52 節點元件
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Claims (1)

1259007 "^、申呑青利車色圍 1 · 一種在一無線區域網路（WLAN )及一通用行動電信系 統（UMTS )間提供緊密互作之方法，該方法包括系列步 -♦ 驟： 該UMTS及WLAN直接使用該UMTS及該WLAN間之行動網際通訊· 協定（Μ I P )而通信資料；以及 · 該UMTS及WLAN透過網際網路利用網際通訊協定（ΙΡ)而通 信資料。 2· —種將一使用者設備（US)於一無線區域網路 (WLAN )及一通用行動通信系統（UMTS )間交接之方法， 該方法包括下列步驟： # 該UMTS及WLAN利用一Iur介面以支持兩者間之交接。 3·如申請專利範圍第1項所述之方法，其中當一UE在WLAN 與UMTS間移動時，於DIAMETER信號發送之MIP係提供兩者 間之通話維持。 4·如申請專利範圍第1項所述之方法，其中UMTS係經由 DIAMETER-UMTS互作而使用公共區域行動網路計費平台 (public land mobile network billing platforms )。 5.如申請專利範圍第1項所述之方法，其中UMTS係使用 PLMN用戶位置登記/用戶訂購伺服器以進行認證。 6· —種於一無線區網路（WLAN )及一通用行動通信系統 (UMTS )間提供緊密互作之裝置，其係包括： 每一該UMTS及WLAN所具有之利用該UMTS及該WLAN間之行動 網際協定（MIP)而與該兩者之另一直接通訊資料的裝 置；以及
第11頁 1259007
該WLAN所具有之利用網際通訊協定（IP )傳輸輸出資料至 網際網路的裝置。 $ 7·如申請專利範圍第6項戶斤述之裝置，其中該WLAN係包 括： ' 用以從一行動網路接故輪入資科之裝置。 8 ·如申請專利範圍第7 ^戶斤述之裝置，其中該行動網路係 為一公共區域行動網路（pL_ )。
9.如申請專利範圍第8項所述之裝置，其中該PLMN係包括 一用戶客服（HA )用以使資科建立通道至該WLAN中所提供 之一網際協定通訊閘（ipgw)。 10·如申請專利範圍第9項戶斤述之裝置，其中該HA更進一 步利用I P而與網際網路進行通信。 11·如申請專利範圍第8項所述之裝置’其中該PLMN係包 括認證、授權、會計用戶（aAAH )，以將認證與該WLAN中 所提供之一AAA外部（AAAF)進行通信。 12·如申請專利範圍第丨丨項所述之裝置，其中該AAAF係提 供該AAAH與該WLAN IP GW的通信。
13·如申請專利範圍第8項所述之裝置，其中該AAAH係與 HA及一用戶位置登記/用戶訂購伺服器（HLR/HSS )合作， 以提供AAAH服務。 1 4 · 一種將一使用者設備（u S )於一無線區域網路 (WLAN )及一通用行動通信系統（UMTS )間交接之裝置， 包括： 該UMTS所具有之一;[ur介面，以支持與該孔—之交接。
第12頁 1259007 六、申請專利範圍一…一----------------------------------------------------------------------------------------------------------------------------------- 15·如申請專利範圍第丨4項所述之裝置，其中透過 DIAMETERS 5虎發送而利用Mip的裝置，其係於一 UE在該 WLAN及該UMTS間移動時，提供WLAN及UMTS間之通話維持。 16.如申請專利範圍第6項所述之裝置，其中UMTS係經由 DIAMETER-UMTS互作而使用公共區域行動網路計費平台。 17·如申請專利範圍第6項所述之裝置，其中UMTS係使用 一具有一用戶訂購伺服器/用戶位置登記（HSS/HLR )之 PLMN以進行認證。 18· —種於一無線區域網路（WLAN )及一通用行動通信系 統（UMTS )間提供緊密互作之裝置，包括： 每一該UMTS及WLAN所具有之利用該UMTS及WLAN間之行動網 際協定（MIP)而與該兩者之另一直接資料通信的裝置； 以及 該UMTS係利用一 Iur與該WLAN進行通信，以提供一使用者 設備（UE)從該UMTS及WLAN其中之一至該UMTS及WLAN其中 之另一的一交接。
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TW092118021A 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) TWI259007B (en)

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TWI259007B true TWI259007B (en) 2006-07-21

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TW095149341A TW200803296A (en) 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)
TW095123677A TW200718096A (en) 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)
TW092212156U TWM244657U (en) 2002-07-02 2003-07-01 System for tight inter-working between wireless local area network (WLAN) and universal mobile telecommunication systems (UMTS)
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