TWM343979U - Dual mode wireless transmit-receive unit - Google Patents
Dual mode wireless transmit-receive unit Download PDFInfo
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- TWM343979U TWM343979U TW097202642U TW97202642U TWM343979U TW M343979 U TWM343979 U TW M343979U TW 097202642 U TW097202642 U TW 097202642U TW 97202642 U TW97202642 U TW 97202642U TW M343979 U TWM343979 U TW M343979U
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- 238000004891 communication Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
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- CSRZQMIRAZTJOY-UHFFFAOYSA-N trimethylsilyl iodide Substances C[Si](C)(C)I CSRZQMIRAZTJOY-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
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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
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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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
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/12—Reselecting a serving backbone network switching or routing node
- H04W36/125—Reselecting a serving backbone network switching or routing node involving different types of service backbones
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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
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Description
M343979 設備。下文引用的術語“基地台,,包括但不局限於 Node-B、站點控制器、存取點(ap)或是任何其他類型的 能夠在無線環境中操工作的周邊設備。 第2-4圖示出了業務量路徑(traffic path)和通道 (tunnel)的三種狀態,所述業務量路經和通道是在WTRU 攸LTE網路到GERAN網路的切換過程期間在網路實體之 間建立的。在第2圖中,初始狀態200被示為移動WTRU201 從被指定為本地區域LA2/路由區域RA2的LTE網路胞元 移動到GERAN系統LA1/RA1。屬於GERAN系統的胞元 可以從那些屬於基於LTE的胞元的區域(LA2/RA2)構造 不同的位置區域/路由區域(LA1/RA1)。在某些配置中,雖 然GERAN胞元可以與GERAN胞元同處一地,但是由於 兩個系統構架之間的不同,這些胞元將保持不同的LA/RA 配置。其他的WTRU 254、255被示出為位於胞元
LA2/RA2 ’ 而 WTRU 251、252 位於胞元 LA1/RA1。WTRU 當前是經由源演進型Node B (ENB) 222被連接到存取閘 道211,其中建立通道215和216以用於使用者資料平面。 源移動性管理實體(MME) 221控至移動性並且處理通道 217和218上的使用者控制平面業務量。使用者控制平面業 務量是在源ENB 222與WTRU 201之間的通道219上被連 接的。目標GERAN系統包括目標SGSN23卜目標基地台 控制器(BSC) 232、以及目標移動業務交換中心/拜訪位置 暫存器(MSC/VLR)實體233。 第3圖示出了在WTRU 201從LTE網路胞元LA2/RA2 7 M343979 到GERAN胞元LA1/RA1的切換期間用於網路實體通道化 (tunneling)的可選第二狀態3〇〇。WTRU2〇1現在移動到 GERAN 胞元 LA1/RA1。 在GERAN系統的目標BSC 232與源ENB奶之間可 以建立可選通道225。在演進型核心網路1〇5與GpRS核心 104之間有新連接時(即在完成切換業務量的主要過程 日守)’通道225可用于臨時轉發經由E-Node B在GERAN 系統與WTRU之間傳送的當前待處理資料。這將綠保在轉 換過程中沒有資料丟失。系統運營商可以選擇不實施這一 步驟而進入完成轉換的情況,其中在GERAN BSC 232與 ENB 222之間沒有建立連接,在這種情況下,資料的轉發 在S3和S4連接上的兩個核心網路之間的高層發生。使用 者資料平面和控制平面業務量分別通過通道235和236被 攜帶到WTRU201。 第4圖是在WTRU 201從LTE網路胞元LA2/RA2到 GERAN胞元LA1/RA1的切換期間用於網路實體通道化的 狀態400。如第4圖所示,業務量交換已在上層中發生,由 此GERAN系統現在是使用者業務量的網路源,如通過 GGSN411所示。WTRU201現在經由分別位於使用者資料 平面和控制平面通道415、416及417上的目標SGSN 231 和目標BSC 232而被連接到GERAN系統GGSN 411。 第5圖是WTRU 510和Node B 520的功能性框圖。如 第5圖所示,WTRU 510與Node B 520進行通信,並且這 兩者均被配置為支援從GPRS/GERAN到LTE/EUTRAN的 8 M343979 切換。 除了可以在典型的WTRU中發現的元件之外,WTRU 510還包括處理器515、接收機516、發射機517以及天線 . 518。處理器515被配置為支援從GPRS/GERAN到 • LTE/EUTRAN的切換。接收機516和發射機517與處理器 • 515進行通信。天線518與接收機516和發射機5Π進行通 信以方便無線資料的傳送和接收。處理器515、接收機516、 發射機517以及天線518可以被配置為GPRS/GERAN無線 電收發機,或者被配置為LTE/EUTRAN無線電收發機。而 且,雖然僅有一個處理器、接收機、發射機及天線被示出, 但是應當注意的是多個處理器、接收機、發射機及天線也 可以被包括在WTRU 510中,從而不同組的處理器、接收 機、發射機及天線在不同的模式中操作(例如GpRS/GERAN 收發機或者LTE/EUTRAN收發機)。 除了可以在典型的Node B中發現的元件之外,Node b 毫_ 520還包括處理器525、接收機526、發射機527以及天線 528。處理器525被配置為支援從LTE/EUTRAN到GERAN 的切換。接收機526和發射機527與處理器525進行通信。 天線528與接收機526和發射機527都有進行通信以方便 無線資料的傳送和接收。 在第一種實施方式中,GERAN存取過程包括在WTRU 510的LTE收發機之間的分組交換(ps)附加信號。第6 圖不出了該貫加方式的切換過程600的示例性信號流程 圖。儘管下列信號在第6圖中被示出並以特定順序被描述, M343979 所述信號可以在根據該實施方式的順序的變型中發生。 在第6圖的信號流程圖中,信號在:具有LTE收發機 和GERAN收發機的雙模LTE/GERAN WTRU,其中每個收 發機包括接收機和發射機;源e-Node B (S-ENB);目標 , BSC ( T-BSC);源 LTE-MME ;目標 SGSN ;以及 LTE UPE/
; 閘道當中被交換。在該實例中,所述雙模WTRU包括LTE 和GERAN收發機。 • 如第6圖所示,使用者下行鏈路(DL)和上行鏈路(UL) 業務量601a、601b在WTRU LTE收發機、S-ENB以及LTE UPE/閘道之間進行交換。WTRU LTE收發機執行在LTE頻 率和GERAN頻率上的測量605,並且將GERAN測量報告 信號606發送至S-ENB。WTRU可以從S-ENB接收包括 GERAN的不同無線電存取技術的列表,以識別測量所要採 取的頻率類型。系統間切換607被8_£1迅發起,該S-ENB 基於測量報告606而作出GERAN是目標的切換決定。包 ® 含源胞元識別符(ID)和目標胞元ID的重定位請求信號6〇8 從S_ENB被傳送到源MME。源mme通過將目標胞元仍 (GERAN)映射至SGSN IP位址來作出對目標系統胞元ID 和SGSN ID的決定6〇9。源mme將重定位請求61〇轉發 到目標SGSN,該重定位請求61〇包括國際移動使用者標識 (IMSI)、源胞元Π)和目標胞元ID。 目標SGSN執行對目標BSC ID的決定611,並且在信 令消息610中不包括使用者簡槽和上下文時對其進行請 求。目標SGSN將切換請求信號612發送到T_Bsc,該切 M343979 換請求信號612包括胞元ID、SGSN ID以及國際移動使用 者標識/臨時移動使用者標識(IMSI/TMSI)。T-BSC執行通 道可用性的決定613並且發起無線電存取承載(RAB)的
• 建立。T_BSC將包括IMSI/TMSI的切換(handoff)請求ACK ^ (應答)614傳送到目標SGSN。使用者平面和控制平面通 • 道615在T-BSC與目標SGSN之間被建立。目標SGSN創 建狀態和SM狀態616,以準備啟動分組資料協定 • (pDP)上下文資訊。 目標SGSN將包括IMSI和SGSN ID的重定位回應617 發送到源MME,源MME將包含TMSI和目標BSC ID的 重定位命令信號618發送到S_ENB。S-ENB建立到T-BSC 的臨時通道619,以將使用者資料轉發到T-BSC。切換命令 620從源MME被傳送到S-ENB,並且被轉發到WTRU LTE 收發機,該切換命令620在其他可被支援的技術中識別目 標GERAN技術,並且包括目標通道ID的發起/同步無線電 馨 信號621被傳送到WTRU GERAN收發機。GERAN收發機 發送ACK信號623。使用者資料622在S-ENB與T-BSC 之間的臨時通道619上進行交換。切換完成信號624從 WTRU LTE收發機被發送到s-ENB。T-BSC發送重定位檢 測信號625到目標SGSN。
GERAN存取過程包括從wrxu GERAN收發機傳送 到T-BSC的PS附加信號626,該T-BSC將PS附加信號627 轉發到目標SGSN〇PS附加已接受信號628藉由目標SGSN 而返回到T-BSOWTRU GERAN收發機被配置為從T-BSC 11 M343979 接收ps附加接受信號629,並且回應ps附加接受ack 630。Τ-BSC將PS附加接受ACK信號631 SGSN。 目標SGSN採用新的SGSN TEID來執行對pDp上下 文的更新633,並且針對GPRS通道賴制者平面和控制 平面(GTP-U和GTP-C)以LTEUPE/閘道建立通道634。 在這個階段對WTRU GERAN收發機、目標Bsc、目標 SGSN以及服務閘道之間的所有pDp上下文建立使用者平 面路徑。從源ENB到目標SGSN的業務量638的轉換被完 成。在WTRU GERAN收發機和T_BSC之間,建立通道 632 ’以用於RAN資訊的交換和rab建立,並且使用者 DL/UL業務量635被交換。 參 切換完成信號636從目標SGSN被發送到源MME,源 MME發送釋放信號639到S-ENB以及發送HO完成ACK 637到目標SGSN。S-ENB執行其關於WTRU的資源的釋 放640,並停止轉發資料。釋放ACK 641從S-ENB被傳送 到源MME,使用者DL/UL GERAN業務量現在在WTRU GERAN收發機與目標BSC之間的通道642上、在T-BSC 和目標SGSN之間的通道643上、以及在目標SGSN與 GGSN閘道之間的通道644上流動。 第7圖示出了根據第二實施方式的信令流程圖,在該 第二實施方式中,GERAN存取過程包括從源ENB到目標 BSC的重定位檢測信號和RAN (無線電存取網路)移動性 資訊信號。在該實施方式中,除了以下用於代替不被包括 12 M343979 在β貫施方式中的PS附加信號626_631的信號之外,信號 與第6A、6B、6C圖中所示的第一實施方式類似。 如第7圖所示,GERAN存取過程開始切換完成信號 624。重疋位檢測信號725通過S_ENB被發送到丁,而 重定位k 72(5從T-BSC被轉發到目標SGSN。ran 移動性資訊727通過t_BSC被傳送到WTRU geran收發 機’ WTRU GERAN收發機返回移動性資訊ACK 728。T-BSC發送重定位完成信號729到目標sgsn。 如以上第I·7圖所描述的,在源3GPP存取系統命令 WTRU510改變為目標3Gpp存取系統之前,在目標3Gpp 存取系統巾顿鱗電資源。為了在核々網路資源被分配 時轉發資料,在兩個無線電存取網路(RAN)(基本服務組 (BSS) /基本服矛务控制斋(bsc)和E-Node B)之間建立 通道。 控制介面可以存在於2G/3G SGSN和相應的MME之 間的核心層,以對移動(Mobile)的移動性上下文和會話 上下文進行交換。另外,目標系統可以為资奶提供關於 無線電存取需求的指示,所述無線電存取需求例如為無線 電資源配置、目標胞元系統資訊,等等。 在切換期間存在中間狀態,其中在使用者平面被直接 轉換到目標系統之前’ DL使用者平面資料從源系統被發送 到目標系統,以避免使用者資料(例如通過轉發)的丟失。 也可以使用雙播(bi-cast)直到3GPP錨定確定它可以直接 將DL ϋ_半面資料發送到目標系統。 13 M343979
液晶顯示器(LCD)顯示單元、有機發光二極體(OLED) 顯示單元、數位音樂播放器、媒體播放器、視頻遊戲機模 組、網際網路流覽器和/或任何一種無線區域網(WLAN) 或超寬頻(UWB)模組。 15
Claims (1)
- M343979 |~--—r ^ -_ 九、申請專利範園: 1 · 一種雙模無線發射_接收單元,該無線發射_接收單元包 括: • 一接收機,被配置為接收全球移動系統/全球移動系 ♦ 統演進的增強型資料速率無線電存取網路胞元資訊,同 時在一長期演進/演進型通用陸地無線電存取網路胞元 中接收無線通信; _ #合至所述接收機的-處理H,該處理!!被配置為 接收可用胞元及所述可用胞元的技術的列表,以在長期 决進頻率和全球移動系統/全球移動系統演進的增強型 資料速率無線電存取網路頻率上執行測量,所述測量被 用於從一源長期演進胞元到其他無線覆蓋區域的一切 換,所述其他無線覆蓋區域包括使用該全球移動系統/ 全球移動系統演進的增強型·資料速率無線電存取網路 胞70資訊的一目標全球移動系統/全球移動系統演進的 — 職㈣料速率絲電存糊路胞元;以及 耦合至所述處理器的一發射機,該發射機被配置為 發送關於在所述全球移動系統/全球移動系統演進的增 強型資料速率無線電存取網路頻率上的該測量的一^ 量報告到一源演進型NodeΒ。 2 ·如申請專利範圍第1項所述的無線發射_接收單年,該 無線發射-接收單元還包括一第二接收機,該第二接收機 被配置為接收全球移動系統/全球移動系統演進的增強 型資料速率鱗電存取網路通錄訊,其巾所述接^機 18 Wsr 補充I 攸夕種被支㈣無線電存取技術巾識別目標技術,由此 所述處理器將目標通道識別符傳遞至所述第二接收機。 1 ^如申請專利範圍第1項所述的無線發射-接收單元,該 :、線發射-接收單元還包括一第二發射機,該第二發射機 被配置為通過將一分組交換附加請求發送至-目標基地 台控制器來開始全球移_統/全球移動祕演進的增 強型貧料速率無線電存糊路存取過程,其巾所述第二 接收機被配置為從所述目標基地台控制器接收一分組交 換附加接受信號。 如申'專利範圍第3項所述的無線發射接收單元,其 中所述第—發射機被配置為發送—分組交換附加接受應 答信號到所述目標基地台控制器。 •如申請專利範圍第1項所述的無線發射_接收單元,該 無線發射_接收單元還包括: /一 接收機,被配置為接收全球移動系統/全球移 動系統廣_增強型資料速率無線電存取網路通信以 及從目払基地台控制器接收一無線電存取網路移動 性資訊信號;以及 第一發射機,被配置為發送全球移動系統/全球移 動系統演進的增強型資料速率無線電存取網路通信以 及發送一無線電存取網路移動性資訊應答信號到所述 目標基地台控制器。
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US88938307P | 2007-02-12 | 2007-02-12 |
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TWM343979U true TWM343979U (en) | 2008-11-01 |
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TW100108835A TWI459835B (zh) | 2007-02-12 | 2008-02-12 | 自lte/eutran交接至gprs/geran支援方法及裝置 |
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