TWI375437B - Method and apparatus for reporting wlan capabilities of a dual mode gprs/wlan or umts/wlan wtru - Google Patents
Method and apparatus for reporting wlan capabilities of a dual mode gprs/wlan or umts/wlan wtru Download PDFInfo
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
- H04W8/245—Transfer of terminal data from a network towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- 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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
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- 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]
- H04W84/04—Large scale networks; Deep hierarchical networks
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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Description
1375437 a 案號 9411277?. 修」 五、發明說明(1) 發明所屬之技術領域
本發明孫關於具有雙模式能力 * & , L 關於用於報告雙模式能力盥用 S,更特別地是 用性之方法與裝置。告網路交互工作的可利 先前技術 無線區域網路(WLAN )與整合封包盔磕带 世代(GPRS肩ts⑼)網路產生交 殼中包含有兩個益後:蚁屋生了—種一共同外 中面與802.llb +UMTS空中介面的 π拆分為多個卡片,或是也可以整合在-個共同; 4人ΐ來(hereafter ),無線發射/接收單元(WTRU) 亡二有但:限制於一種使用者設備、行動工作站、固定或 ί ^ f戶單兀、呼叫器或是任何能夠在無線環境中操作的 2 ,型的裝置。且當涉及到未來,基地台(BS )亦包含 有,不限制於節點_B、位置控制器、存取點(A"或是任 可月b夠在無線環境中操作的其他類型的介面裝置。 目前;網路可能無法察覺到終端的雙模式能力。除此 外,所賦予的服務則可基於在該終端能力上的處理功 1記憶體可利用性、螢幕大小、位元速率等方面而進行 % I、改變。例如’雙模式8個人數位助理(PDA ) ,許旎夠透過GPRS或是8 0 2網路接收短訊服務(SMS)或是 夕媒體訊息服務(匪s )。然而,這些服務的不同差 1375437 _案號94112772_年月曰 修正_ 五、發明說明(2) 則可能要依據該無線終端所指定的記憶體位置而提供。多 元化的多媒體服務相較於在PDA上所使用者將需要較大的 記憶體大小。因此,相同的多媒體服務則可依賴其終端能 力藉以透過黑色和白色或是色彩的簡化集合來提供。同樣 的,網路輔助交遞換手(handof f )的可能性也可由這些 能指出具有雙模式(WLAN /GPRS或是WLAN /3G )能力的終 端來提供。因此將需要指出在這些現行的GPRS /UMTS的能 力之機制。 此外,在網路交互工作中,沒有任何能力能夠告知無 ' 線終端具有雙模式無線電能力,也沒有任何能力可依賴網 路其中之一並與其通訊以察覺其交互工作能力以便可啟動 該無線終端去擁有與兩網路其中之任一進行通訊之增強能 力。 發明内容 本發明之特徵為一種包含用於啟動無線終端將雙模式 能力進行通訊的方法和裝置,且更可提供一種用於報告兩 網路的交互工作能力的方法和裝置,其中該無線終端具有 從其交互工作網路其中之一得到服務的額外能力。 實施方式 由本發明所解決的問題係為一種機制,其機制係為支 援GPRS和WLAN兩者或是3G和WLAN兩者的終端,其終端並能 夠報告其WLAN能力到其所支援的GPRS /UMTS網路中。同 時,本發明更可識別該機制,其係由3G網路指出透過WLAN 傳遞的3G或封包切換域服務是可使用的。
第6頁 1375437 _案號94112772_年月曰 修正_ 五、發明說明(3) 第1圖係顯示網路的簡單方塊圖,其中UMTS和WLAN是 整合在一起的。而WTRUs 1 2、14和1 6則是透過個別的無線 電鏈路(RL-1、RL-2和RL-3 )與網路進行通訊,更特別的 是,該WTRU 12係與一GSM無線電存取網路(RAN )進行通 訊,該WTRU 14係與一2.5/3G RAN進行通訊,以及該WTRU 16係與一WLAN存取點(AP )進行通訊。當該WTRU 1 6是屬 於膝上型輕便電腦(laptop)、個人數位助理(PDA)或 是其他具有適當的卡片而可與該WLAN AP進行通訊等類似 裝置,而該WTRUs 12和14則可以是蜂巢式電話。 該GSM RAN與一行動切換中心(MSC)進行通訊,其即 如此技術領域所已知者,該GSM RAN具有與區域資料庫交 互工作的能力。該MSC則與拜訪位置暫存器(VLR )進行通 訊以對該WTRU 1 2進行辨別、驗證等等。該MSC也與短訊服 務通訊閘行動切換中心/交互工作行動切換中心(SMS-GMSC/IW-MSC)進行通訊以提供譬如短訊服務(SMS)資 料之服務。而起始位置暫存器(HLR )是一種資料庫,其 在起始公眾行動通訊網路(HPLMN )内提供行動終端的呼 叫和SMS資料之路由資訊,同時也是作為分佈到相關VLR (請注意第1圖的VLR)或是GSN (GPRS支援節點)之使用 者用戶資訊的維護,且其是藉著譬如局部區域和路由區域 更新的附加處理和流動性管理程序來進行。 該WLAN AP與一封包資料通訊閘/WLAN存取通訊閘 (PDG /WAG )進行通訊,而能力資訊則在GSN和PDG /WAG 中進行交換,另外譬如SMS資料服務之服務則是被通訊到
第7頁 1375437 • _案號94112772_年月曰 修正_ 五、發明說明(4) 該PDG /WAG中,接著藉由該PDG /WAG和該WLAN AP而通訊 到該WTRU 1 6中,且基於該WTRU 1 6的能力,該SMS資料因 此而被傳送出。 在該等WTRU 12和14各自透過其相關的RAN而分別與網 路進行通訊時,依照本發明所揭示,他們提供有關其能力 的資訊係包含有WLAN相容性(compat i b i 1 i ty )。 第2圖是顯示出結合有WLAN能力的附加程序。即如第2 圖所顯示的程序,在步驟S1中,一UMTS雙模式WTRU啟動電 源(ρ 〇 w e r u p)以建立信號連結而執行附加程序。在步驟 'S2中,一無線電資源控制(RRC )連結請求訊息係被運送 - 到該無線電網路控制器(RNC )中。許可控制和資源可利 用性係由該RNC所執行完成,即如步驟S3所示,接著運送 一RRC連結建立訊息到雙模式的WTRU,即如步驟S4所示。 而在步驟S5中,該WTRU提供一RRC連結建立完全訊息以提 供該WTRU無線電存取(RA )相容性,且在步驟S6中,提供 有初始直接傳送訊息,其包含有該附加請求以及點對多點 系統資訊(PtM SI )、快速訊息系統資訊(IM SI )、網 路(NW)能力與無線電存取(RA)能力。而在步驟S7中, 該RNC提供給一服務GPRS支援節點(SGSN) —個初始WTRU 訊息:包含有網路和無線電存取的附加請求。且加上該 UMTS能力,該訊息更包含有WLAN能力。在步驟S8中,驗證 與加密請求和安全模式指令被執行,且在步驟S9中該WTRU 亦被驗證。隨後,在步驟1 0中,該SGSN提供給該SGSN — WTRU能力以更新到該WAG-PDF中,且在步驟11中提供一個
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___案號 94112772 五、發明說明(5) 附加接受訊息到該RNC ’接著在步驟S12中運送到WTRU中。 而在步驟S10中,傳送到該WAG-PDG的該WTRU能力之更新會 導致該SGSN去更新該WAG,隨後因此可決定該服務請求能 否被終止。 一行動工作站WTRU網路能力資訊元件的目的是在於提 供包含有涉及關於GPRS的該WTRU方面資訊的網路。該資訊 元件(IE)的内容可影響網路處理該訂別運作的方 法。WTRU網路能力資訊可指出一般WTRU特性,且除了 位明確所指出者之外,並具有傳送頻道的頻率帶的獨立 並具有十個八 的,並顯示在第 WTRU網路能力是一第4類資訊元件(IE ) 位元組(octet)中的最大長度。 該WTRU網路能力IE的值部分是被編 3圖中。 弟4圖是一 女, 丨四〇 3 ,不發明的網路能力資訊元件的招 能力IE的比較,以及第5圖則是顯 ^無^取能力資訊元件(RAC IE)之似u有的本比發^。 、=仃動工作站(MS )網路能力IE的目的是用於提供二 :及=Gm的該行動工作站(即WT…面==有 二:其内容可影響網路處理該行動工作站運作的 ,路能力資訊係指出-般行動工作站特,該 位明確所指出之外,, 且除了由欄 獨立性。該MS網路能力;二匕其J皮二頻道的頻率帶的 有十個八位元組長度中二= 類貝訊4(IE) ’且具 长又中的最大者。該MS網路能力1£的值部
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第ίο頁 1375437 _案號 94112772 五、發明說明(7) 主月日_ 識每個能力的單一位元或是多個位元被指派在丨E的預設位 置上’這也是針對RA (無線電存取)能力的論據 (case )。同樣地,當不支援時,請注意GpRS加密演算法 (G E A )此力位元疋0" ’而在支援時則是"1"。 該行動工作站無線電存取(MS RA)能力資訊元件 (IE)的目的是用於提供包含有涉及關於無線電的該行動 工作站(即WTRU)方面資訊之無線電部分的網路。其内容 可影響網路處理該行動工作站運作的方法。該MS RA能力 是一第4類資訊元件(IE ),且具有52個八位元組中的最 大長度。一MS RA能力資訊元件的值部分是被編碼的,且 其顯示在第5A圖和第5B圖中。 第5圖則是一起比較現有和新的無線電存取能力丨Es。 在現有IE的項目(1 )到項目(4 )中,即該存取技術類 型、έ亥存取能力、該UMTS FDD RA技術能力和該UMTS 3. 84 Mcps TDD RA技術能力’是與在新的IE之項目(工) 到項目(4 )相同。 現有IE的項目(5)和(6)是從新的IE中所省略的, 其因相當簡易將不在此討論。新的IE的項目(5)是沒有 出現在現有IE的項目中,其是提供WLAN無線電存取能力以 識別遠端終端的類型(例如:PDA、簡易膝上型電腦、電 話等)、記憶體大小、螢幕大小、處理功率、技術版本 (如802.1 1、802.15、802.1 6等諸如此類者)、服務概要 (例如僅SMS文字或是文字和動晝)、MMS、IMS、位置、 MBMS及其類似者。 1375437
第5A1到5A2圖與第5B圖字顯示該MS RA能力IE之較詳 細說明。在第5A1到5A2圖中,四個二進位的存取技術類型 ,^了用來存取的技術類型。高斯最小頻移鍵控(gmsk) 是提供有良好頻譜效率的頻移鍵控(frequency shift keying)之一種形式。8PSK是一種改良技術,其中其載體 是存在於八個狀態其中之一。第5β圖顯示 位位元以識別出一些能力’譬如,一個三位元欄; 立;= j別WLAN 802 RA技術,其中該技術是由二進位位元的特 定組合所識別出的。請注意WLAN 8〇2χχ技術的不支 以” 000”表示,而在WLAN 802 Ub技術的支援時是 以"001"等等諸如此類的方式表示。而在其他的例子中, 當不支援時,CDMA 2000 RA技術能力是"〇",反之,在. 援時則是11 Γ。
又模式WTRU透過其UMTS (或是GPRS)網路提供WLAN 能力報告,並取決於該雙模式訂㈣是否具有WUN/umts或 是WLAN /GPRS 能力。 如第2圖所示,當WTRU係為電源啟動(p〇wer叩), 其首先將透過該UMTS頻道來進行通訊,並執行一非存取層 (NAS ) ”附加"程序,隨之該UMTS/WUN能力 進行交換,即如第2圖所示。 ]路 mm根據實施結果,如果可以,使用者可選擇去繼續與該 TS網路進行通訊、手動切換到透過WLAN頻道或是在WLaN .·周路上進行自動交遞換手(handover)。 本發明係因此在WTRU和網路與網路和WTRU之間導入兩
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ti 圖式簡單說明 第1圖係為具有整合型的通用行 線區域網路〇yLAN)網路的 電話服務(UMTS)和無 第2圖係為顯示附加程序盘之簡單概要圖。 圖。 ,、 本發明的能力之簡單概要 第3圖係顯示一WTRU網 第4圖和第八别之賈訊元件(IE)。 電存取(RA)能力之資訊元件改良的網路能力與無線 第4A圖係顯示其第4圖 )。 明》 良的網路能力IE之較詳細說 第5A1至5A2圖以及第5B圖俜屋g - *狀 IE之較詳細說明,以及其第5圖的改良續能力 5A2圖配置的方法。弟A圖則顯示第5A1圖和第 元件符號說明: AP存取點 G E A G P R S加密演算法 GPRS整合封包無線電服務 HLR起始位置暫存器 BS基地台 GMSK南斯最小頻移鍵控 GSN GPRS支援節點
IM SI 快速訊息系統資訊 HPLMN起始公眾行動通訊網路 IE 資訊元件 IW-MSC交互工作行動切換中心 MBMS組播廣播媒體服務 MS行動工作站 NAS非存取層 LCS位置服務 匪S 多媒體訊息服務 MS RA行動工作站無線電存取 MSC行動切換中心
第14頁 1375437 案號 94112772 _Ά Β 修正 PDA 個人數位助理 PtM SI點對多點系統資訊 圖式簡單說明 NW 網路 PDG /WAG WLAN存取通訊閘 RA無線電存取 RAC IE無線電存取能力資訊元件 RAN GSM無線電存取網路 RL-1、RL-2、RL-3 無線電鏈路 RNC無線電網路控制器 SGSN服務GPRS支援節點 SoLSA局部服務地區的支援 UMTS通用行動電信服務 V A增值 W L A N無線區域網路 3G 第三世代
RRC 無線電資源控制 SMS 網路接收短訊服務 S S補充服務 U S C 2 十六位元編碼 VLR拜訪位置暫存器 WTRU無線發射/接收單元 12 、 14 、 16 WTRU 8PSK其載體存在於八個狀態其中之
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Claims (1)
1375437 1(妒咖日 汾更)正替換頁
使用的方法,該 案號 94112772 六、申請專利範圍 1. 一種於無線發射/接收單元(WTRU)中 方法包括: 產生一連結清求訊息,該連 式核心網路的一請求並包括 表明該WTRU是否能經由一無 式核心網路接收一服務; 結請求訊息表明連結到一蜂巢 一能力指示符,該能力指示符 線區域網路(WLAN)從該蜂巢 心網路中的一網路卽 將該連結請求訊息傳遞至該蜂巢式核 點;以及 基於該能力指示符以經由該網路節點接收一服務。 2. 如申請專利範圍第丨項所述的方法,其中該服務是經由 一蜂巢式無線電存取網路而接收。 3. 如申明專利範圍第2項所述的方法,其中該蜂巢式無線 電存取網路是基於一GSm*umts技術。 如申請專利範圍第1項所述的方法,其中該能力指示符 X 一無線電存取能力資訊元件或一行動工作站(MS )網路 能力資訊元件。 5 ·如申請專利範圍第1項所述的方法,其中該服務是經由 〜無線區域網路(WLAN )而接收。 6三如申請專利範圍第5項所述的方法,更包括: ^由忒WLAN接收一短訊服務(SMS)訊息。 〜 > 如申睛專利範圍第1項所述的方法,更包括: ^足X、同路節點接收該連結請求訊息的一確認。 三 種無線發射/接收單元(WTRU),該WTRU包括: 器 被配置用於產生連結請求訊息’該連結明求
1375437 月卜曰纪更)正替換頁 Ο年
案號 9411277? 六、申請專利範圍 訊息表明連結到一蜂巢式核心網路的一請求並包括一能力 指示符,該能力指示符表明該WTRU是否能經由—無線區域 網路(WLAN )從該蜂巢式核心網路接收—服務; 一傳輸器,被配置用於將該連結請求訊息傳輸至該蜂巢式 核心網路中的一網路節點;以及 一接收器,被配置用於基於該能力指示符以經由該網路節 點接收一服務。 9.如申请專利範圍第8項所述的無線發射/接收單元 (WTRU) ’其中該接收器被配置用於經由—蜂巢式無線電存 取網路來接收該服務。 "" 1 0.如申請專利範圍第9項所述的無線發射/接收單元 (WTRU) ’其中該蜂巢式無線電存取網路是基於一 GSM或 UMTS技術。 11.如申請專利範圍第8項所述的無線發射/接收單元 (WTRU),其中該能力指示符是一無線電存取能力資訊元件 或一行動工作站(MS )網路能力資訊元件。 1 2.如申請專利範圍第8項所述的無線發射/接收單元 (WTRU) ’其中該服務是經由一無線區域網路(社錢)而接 收。 1 3.如申請專利範圍第1 2項所述的無線發射/接收單元 (WTRU),其中該接收器更被配置用於經由該WLAN接收一短 訊服務(SMS)訊息。 1 4.如申請專利範圍第8項所述的無線發射/接收單元 (WTRU )’其中該接收器更被配置用於從該網路節點接收該
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TWI467963B (zh) * | 2003-10-17 | 2015-01-01 | Interdigital Tech Corp | 報告雙模式gprs/wlan或umts/wlan wtru的wlan能力之方法及裝置 |
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