TWI465051B - 提供高速下行鏈路共享頻道單元改變後有效回復節點b之緩衝資料之系統 - Google Patents
提供高速下行鏈路共享頻道單元改變後有效回復節點b之緩衝資料之系統 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Description
本發明係說明無線通訊的範疇。更特定言之,本發明係說明在一自一中介點分配資料之無線系統中交遞後、有效地回復緩衝資料。包含一耦合至一個或多個節點B上之遠端網路控制器(RNC)、且利用可適性調變和編碼(AMC)和混合式自動重送請求(H-ARQ)技藝的第三代(3G)系統(其中該等一個或多個節點B又依次無線式耦合至複數個使用者設備(UE)上)僅為該種系統的一個實例。
一第三代(3G)通用地面無線存取網路(UTRAN)包括數個RNC,其中該等每一RNC均可耦合至數個節點B上。一節點B為一包括一個或多個基地台之實體,其中每一基地台管理一個或多個胞元的流量。
該等3G分頻雙工(FDD)和分時雙工(TDD)系統典型地利用該RNC來緩衝和排程傳輸給該UE的資料。然而,就該等3G蜂巢式系統的高速頻道而言,則係由一節點B來緩衝和排程要傳輸的資料。該其中一個高速頻道例如為該高速下行鏈路共享頻道(HS-DSCH)。因由該節點B來分配資料,故須將要傳輸的資料緩衝在節點B中。該結構導致該RNC未取得該節點B其控制封包資料單元(PDU)傳輸的一最新狀態。因此,一旦在胞元間交遞時,則須因應該胞元改變來協調該等資料傳輸的排程。不然,則須在該改變後、使資料傳輸重新同步化,以避免傳輸的資料“漏失”或“重複傳輸”。於3G網路中,係由該RNC控制胞元間的交遞。因用來控制包含該UE之胞元的RNC會改變,故資料有可能因該交遞而漏失或重複。由於該結構中每一RNC係與數個節點B相關聯,致使該問題更加嚴重。由於UE胞元的交遞,故一行動UE要求一節點B改變的可能性遠比其要求一RNC改變來得大。
該HS-DSCH利用AMC致能高速傳輸資料,及利用H-ARQ來增加成功傳遞資料的可能性。當該UE須改變該正在傳輸和接收該服務HS-DSCH無線鏈結之UTRAN存取點的相關聯胞元時,則導致一服務HS-DSCH胞元改變。當一替換意識到實體頻道條件和/或實體容量改善時,則引動該服務HS-SDCH胞元改變。不同於3G網路中的其它頻道,該HS-DSCH係在節點B上中斷、而不是在該UTRAN內的RNC上中斷。
有兩種HS-DSCH胞元改變型式。當該UE在兩個與該同一節點B相關聯之胞元間改變時,則為一節點B內的服務HS-DSCH胞元改變。當該UE在兩個與不同節點B相關聯之胞元間改變時,則為一節點B間的服務HS-DSCH胞元改變。就一節點B間胞元改變而言,將該服務HS-DSCH胞元改變之前的節點B稱為該來源節點B;且將該服務HS-DSCH胞元改變之後的節點B稱為該目標節點B。
該RNC和該UE中均有同層無線鏈結控制(RLC)實體,提供一用作傳輸資料之自動重送請求(ARQ)功能。該傳送RLC實體傳訊該PDU標頭中的序號(SN),其中該接收RLC實體利用該序號以確保該傳輸期間未漏失任何PDU。如於該傳輸期間漏失了若干PDU時(因未按順序傳遞PDU所致),則該接收RLC實體傳送一PDU狀態報告、以通知該傳送RLC實體“某些PDU漏失了”。利用該PDU狀態報告說明該資料傳輸的狀態。其中該PDU狀態報告識別該等漏失或收到之PDU的序號SN。如漏失了一PDU,則該傳送RLC實體會將該漏掉之PDU的複本重新傳輸給該接收RLC。
該傳送RLC實體亦可能向該接收RLC實體輪詢一PDU狀態報告;或可能定期地產生狀態報告。該輪詢功能提供一機制、供該傳送RLC實體請求該等PDU傳輸的狀態。
該節點B的一H-ARQ功能亦提供了將失敗傳輸再重新傳輸的功能。雖然該H-ARQ作業會將某些失敗的傳輸移除和提高成功傳遞資料的機率,然而最後確保成功傳遞的卻係該RLC協定層。
由於傳播條件的動態改變,故須快速地執行該HS-DSCH胞元改變,以維護服務品質。於該服務HS-DSCH胞元改變期間,該UE有可能停止該來源胞元中的傳輸和接收、直到傳輸完所有目前儲存在該來源節點B中的PDU時為止。因該來源節點B排程和緩衝該資料,且因該等資料傳輸速率非常高(例如一千萬位元/秒或更高),故當該UE執行一服務HS-DSCH胞元改變時(特別是一節點B間的交遞)、大量緩衝在該來源節點B中的資料有可能會漏失掉。其中一個原因為該UTRAN結構內並未提供任何機制用以將該來源節點B上的緩衝資料轉移給該目標節點B。一旦提供了一HS-DSCH胞元改變,則因未通知該RNC“節點B的資料傳輸排程”、故該RNC不知道有多少資料漏失掉(若有的話),且該RNC亦不知道該UE是否有成功地回覆確認該傳輸。故一旦提供了HS-DSCH胞元改變後、如仍有資料緩衝在該來源節點B中時,則該RNC RLC須回復該資料、以保持傳輸而不致漏失該資料。
目前,先前技藝系統有兩種較佳的方式來回復該來源節點B上的緩衝資料。即於該HS-DSCH胞元改變後:1)該RNC可明確地向該UE請求一PDU狀態;或2)該RNC可僅只從該來源胞元中遭停止的地方開始傳輸,且該UE藉由其察知的未按順序傳遞產生該PDU狀態。
於該第一事例中...“該RNC藉由輪詢該UE以明確地請求一PDU狀態”,該RNC須先等到該新胞元中設立了該實體頻道為止。接著,該RNC傳送該PDU狀態請求,且該UE接收和處理該請求。該UE產生該PDU狀態,及將該PDU狀態傳回給該RNC,其中該RNC處理該PDU狀態和判定哪些PDU需重新傳輸。
於該第二事例中...“該RNC僅從該來源胞元中遭停止的地方開始傳輸PDU,及該UE辨識該未按順序傳遞的資料和產生一PDU狀態傳回給該RNC”。該RNC處理該該PDU狀態和得悉哪些PDU需重新傳輸。
於任一事例中,如需回復該來源節點B中的緩衝資料時,則會去處理一PDU狀態;然而,卻嚴重地延誤了該UE其適當接收重新被傳輸資料的時間。此係因延誤了該UE產生該PDU狀態的時間,從而延誤了該RRC收到該PDU狀態的時間。
如在RLC回覆確認模式下執行傳輸時,則直到可循序傳遞資料時、才將資料傳送給較高層。如是,會要求該UE緩衝該未按順序的資料、直到可重新傳輸該等遺漏的PDU時為止。此不僅延誤了該傳輸,同時亦要求該UE擁有一大到足以緩衝資料之記憶體、直到可成功地傳遞儲存在該來源節點B中的資料為止。否則該有效資料傳輸率會降低,從而影響服務品質。因記憶體很貴,故此為一不當的設計限制條件。
如是,該等在將一來源節點B之緩衝資料轉移給一目標節點B之前、先回復該緩衝資料的先前技藝方法會產生極不良的後果。一種可在較短的時間內更有效回復該來源節點B之緩衝資料、以適當維護使用者服務品質需求之系統及方法係較可取的。
本發明為一種執行一連串行動、以便於該服務HS-DSCH胞元改變程序期間縮短該等待時間和潛在地防止PDU在傳輸時發生漏失。引進一新的準則供UE產生該RLC PDU狀態報告。在通知了該RRC程序所指示的該HS-DSCH胞元改變後,該UE就儘快自治地產生該PDU狀態報告、以更有效地回復來源節點B之緩衝資料。可向每一與該HS-DSCH傳送頻道相關聯之回覆確認模式的(AM) RLC事例傳訊有關PDU狀態。
將就該等圖式說明本發明較佳具體實施例,其中於所有圖式中、同樣的號碼代表同樣的元件。
根據本發明,為了在該服務HS-DSCH胞元改變後、縮短該RNC取得該等PDU狀態和回復該來源節點B之緩衝資料的等待時間,故在通知了該RRC程序所指示的該HS-DSCH胞元改變後、該UE就自治地將該等PDU狀態傳送給該RNC。可將該產生的PDU狀態用於每一與該HS-DSCH傳送頻道相關聯之AM RLC事例上。
參考圖1的流程圖,說明一種根據本發明、有效回復節點B之緩衝資料的方法10。該RNC辨識出需提供該HS-DSCH胞元改變(步驟12)。接著,通知該節點B“該服務HS-DSCH胞元改變”(步驟14)。通知該UE“該服務HS-DSCH胞元改變”(步驟16),如經由該RRC請求訊息所指示。請注意,亦可能在步驟14之前先引動步驟16、而無任何不利的後果。
一旦該UE收到了該RRC請求訊息時(步驟18),該UE即在被通知了該RRC程序所指示的該HS-DSCH胞元改變後、儘快產生一指示該RLC PDU狀態之狀態報告(步驟20),以於回復該來源節點B之緩衝資料時縮短延遲時間。該UE未等待該任一先前技藝中用以產生一PDU狀態的觸發器(例如該RNC請求產生一PDU狀態、亦或該UE偵測到未按順序傳遞資料)。
該UE可執行許多不同的替代方法、以在一服務HS-DSCH胞元改變後引發產生一PDU狀態報告。然而於此提出數個實例。如一第一選擇,一旦清除了該MAC-hs其重新排序的緩衝區時、該MAC-hs較佳就通知該RLC。一第二選擇為該RRC通知該RLC“指示該服務HS-DSCH胞元改變之第3層(L3)RRC程序。第三,該實體層可通知該RLC”收到該目標胞元中的HS-DSCH控制頻道;或一旦HS-DSCH控制轉換到該目標胞元時、該實體層即可通知該RLC。熟諳此藝者必定會意識到亦有其它的方法可用以觸發欲從該UE傳送給該RNC的RLC PDU狀態訊息。由於該程序,故在較短的時間內產生該PDU狀態和將該PDU狀態傳送給該RNC(步驟22),從而導致更有效地回復來源節點B之緩衝資料。
根據步驟22,有數種選擇供該UE將該PDU狀態報告傳送給該RNC。該等傳送該PDU狀態之方法為該UE可如何向該RNC傳訊該PDU狀態的實例(非本發明的首要事物),其中係說明一旦有一新的準則時、即產生一PDU狀態。該UE較佳產生一RLC狀態報告給每一映射到該HS-DSCH傳送頻道上之AM RLC事例。
一第二選擇為“一旦取得一PDU狀態報告時、該UE即經由該第一現行上行鏈路訊息從該UE傳送給該RNC”。就節點B內服務胞元改變而言(及假定該HS-DSCH傳送頻道和無線載運參數未改變),該DCCH上的訊息為“實體頻道重整完成”。如該HS-DSCH傳送頻道和無線載運參數改變了、和/或就節點B間服務胞元改變而言,該DCCH上的訊息為“傳送頻道重整完成”。可於任何RRC傳訊訊息中識別該PDU狀態。接著,該RNC RRC實體通知該RLC“該等PDU的狀態”、以再繼續傳輸給該目標節點B。
一第三選擇為“該UE將該有關DCCH上一新的L3傳訊訊息之狀態報告從該UE傳送給該RNC”。將該新訊息從該UE的無線資源控制(RRC)層傳送給該RNC的RRC層。接著,該RNC通知該RLC層“該等PDU的狀態”、以再繼續傳輸給該目標節點B。如是,該圖1中所示之PDU狀態訊息可包括兩個不同的訊息“RRC”和“RLC狀態”。
請注意,該PDU狀態報告的特殊格式可改變。例如,該等PDU狀態報告的格式可包含:1)該等最後循序成功傳遞之PDU的該序號(SN);2)該等成功收到之PDU的該最高序號SN;3)該等未成功收到之PDU(即漏失掉的PDU)的序號SN,其中至高到該等成功收到之PDU的該最高序號SN;4)或一列示該等成功收到之PDU的序號表列。
一旦該RNC收到附有該PDU狀態的訊息時,則該RNC RLC處理該PDU狀態訊息(步驟24),以判定該等漏失的PDU。現在該RNC意識到因該胞元改變而漏失的資料,及可將該漏失的資料重新傳輸給該UE(步驟26)。請注意,該訊息可有許多種,而未必只將其限制在“附有該PDU狀態報告”上。
亦請注意,於本發明該具體實施例中,該RNC可於步驟16與24間繼續轉遞該目標胞元中要傳輸給該UE的資料,以將該資料。因如未成功地傳輸來源節點B上所有緩衝的資料時、該資料的順序就會亂掉,故會強迫該UE RLC緩衝該資料、使資料能夠循序傳遞給較高層。此要求該UE擁有一足夠儲存該等順序混亂PDU的記憶體。在漏失了任何循序的資料後,則傳輸係限制在該UE的記憶體能力上、直到成功傳輸了該漏失的循序資料為止。
現參考圖2的流程圖,說明一種根據本發明另一具體實施例、有效回復節點B之緩衝資料的方法40。方法40類似於圖1所示之方法10,且圖2該等步驟的標記與圖1完全相同。然而,根據本發明該具體實施例,方法40包含一新步驟17,其中該RNC停止所有通向該UE的下行鏈路HS-DSCH傳輸、直到處理了該PDU狀態訊息(步驟24)為止。該具體實施例使重新傳輸來源節點B之緩衝資料時所延遲的時間縮到最短,及限制了須緩衝在該UE上的資料量。
就該延遲時間最短化而言,該節點B並不知道RLC的傳輸序號,且節點B內的傳輸排程係以先進先出(FIFO)為基礎。因此,如該目標胞元的RNC係在該PDU狀態被處理之前就轉遞資料時,則會先傳送該資料。該佇列在節點B中的資料有可能使重新傳輸該來源節點B之緩衝資料所需的時間更長。
本發明可適用於節點B間胞元改變和節點B內胞元改變兩者中的HS-DSCH胞元改變。因於於該節點B內之事例中,該節點B由於內部設計問題而不可能將該緩衝之HS-DSCH資料重新導向該目標胞元,故該RNC可指示需產PDU狀態給兩種事例。該UE亦可能無法辨別一節點B間胞元改變與一節點B內胞元改變,故亦導致產生PDU狀態給節點B間和節點B內兩種事例。就無法將該緩衝之資料轉換給該目標胞元之該節點B間或節點B內胞元改變之事例而言、以該一種方式傳送該PDU狀態係有益的。
雖然已詳述了本發明,但應瞭解的是並未將本發明限制在那裡,且可在未脫離該附加申請專利範圍對本發明所定義之精髓和範疇內於其中作種種改變。
10...有效回復節點B之緩衝資料的方法
12...步驟
14...步驟
16...步驟
17...步驟
18...步驟
20...步驟
22...步驟
24...步驟
26...步驟
40...有效回復節點B之緩衝資料的方法
圖1為一根據本發明、用以於一HS-DSCH胞元改變後有效回復節點B之緩衝資料之有效程序的流程圖。
圖2為該RNC等到一PDU狀態、才開始傳輸該目標胞元中一新資料之另一種方法的流程圖。
10...有效回復節點B之緩衝資料的方法
12...步驟
14...步驟
16...步驟
18...步驟
20...步驟
22...步驟
24...步驟
26...步驟
Claims (28)
- 一種使用者設備(UE),包括:經配置用於接收一無線訊號的電路,該無線訊號攜帶來自一遠端網路控制器(RNC)的一無線資源控制(RRC)請求訊息,該RRC請求訊息指出一高速下行鏈路共享頻道(HS-DSCH)胞元改變;經配置用於清除與一高速媒體存取控制(MAC-hs)電路關聯的一重新排序緩衝區以回應於接收到關於該HS-DSCH胞元改變的該RRC請求訊息的電路;以及一無線鏈結控制(RLC)電路,經配置用於自主地產生關於被映射到該HS-DSCH的各回覆確認模式(AM)RLC事例的一狀態報告以回應該MAC-hs清除該重新排序緩衝區、以及用於將該狀態報告傳送到該RNC。
- 如申請專利範圍第1項所述的使用者設備(UE),其中該經配置用於產生一狀態報告的電路更經配置用於供應多個額外的狀態報告,該多個額外的狀態報告與被映射到該HS-DSCH的多個其他AM RLC事例相關聯,該多個額外的狀態報告指出被該UE遺漏並接收的多個額外的AM RLC封包資料單元(PDU)序號(SN)。
- 如申請專利範圍第1項所述的使用者設備(UE),其中該MAC-hs電路更經配置用於供應表明該重新排序緩衝區已被清除的一資訊。
- 如申請專利範圍第1項所述的使用者設備(UE),其中該狀態報告指出被該UE遺漏並接收的多個 AM RLC封包資料單元(PDU)序號(SN)。
- 一種於一使用者設備(UE)中使用的方法,該方法包括:接收一無線訊號,該無線訊號攜帶來自一遠端網路控制器(RNC)的一無線資源控制(RRC)請求訊息,該RRC請求訊息指出一高速下行鏈路共享頻道(HS-DSCH)胞元改變;清除與一高速媒體存取控制(MAC-hs)電路關聯的一重新排序緩衝區以回應於接收到關於該HS-DSCH胞元改變的該RRC請求訊息;以及自主地產生關於被映射到該HS-DSCH的各回覆確認模式(AM)無線鏈結控制(RLC)事例的一狀態報告以回應該MAC-hs清除該重新排序緩衝區,以及將該狀態報告傳送到該RNC。
- 如申請專利範圍第5項所述的方法,更包括產生多個額外的狀態報告,該多個額外的狀態報告與被映射到該HS-DSCH的多個其他AM RLC事例相關聯,該多個額外的狀態報告指出被該UE遺漏並接收的多個額外的AM RLC封包資料單元(PDU)序號(SN)。
- 如申請專利範圍第5項所述的方法,其中該MAC-hs電路更經配置用於供應表明該重新排序緩衝區已被清除的一資訊。
- 如申請專利範圍第5項所述的方法,其中該狀態報告指出被該UE遺漏並接收的多個AM RLC封包資料單 元(PDU)序號(SN)。
- 一種使用者設備(UE),包括:一高速媒體存取控制(MAC-hs)電路的一重新排序緩衝區,其中該緩衝區是回應於從一遠端網路控制器(RNC)接收到一無線資源控制(RRC)請求訊息而被清除,該RRC請求訊息指出一高速下行鏈路共享頻道(HS-DSCH)胞元改變;以及一無線鏈結控制(RLC)裝置,具有被映射到該HS-DSCH的複數個回覆確認模式(AM)RLC事例,其中該MAC-hs電路通知該RLC裝置產生一狀態報告以回應該重新排序緩衝區被清除,其中該RLC裝置自主地產生各AM RLC事例的一狀態報告以回應該MAC-hs清除該重新排序緩衝區、並將該狀態報告傳送到該RNC,該狀態報告指出被該UE遺漏並接收的多個AM RLC封包資料單元(PDU)序號(SN)。
- 一種於一使用者設備(UE)中使用的方法,該方法包括:清除一高速媒體存取控制(MAC-hs)電路的一重新排序緩衝區,以回應接收到來自一遠端網路控制器(RNC)的一無線資源控制(RRC)請求訊息,該RRC請求訊息指出一高速下行鏈路共享頻道(HS-DSCH)胞元改變;由該MAC-hs電路通知一無線鏈結控制(RLC)裝置產生一狀態報告以回應該重新排序緩衝區被清除;以及使用該RLC裝置自主地為被映射到該HS-DSCH的各 回覆確認模式(AM)RLC事例產生一狀態報告以回應該MAC-hs清除該重新排序緩衝區、並將該狀態報告傳送到該RNC,該狀態報告指出被該UE遺漏並接收的多個AM RLC封包資料單元(PDU)序號(SN)。
- 一種分頻雙工(FDD)使用設備(UE),包括:一無線資源控制(RRC)裝置,經配置用於從一無線網路控制器(RNC)接收一RRC請求訊息,以將一高速專用共享頻道(HS-DSCH)胞元改變通知該FDD UE;一高速媒體存取控制(MAC-hs)電路,經配置用於清除其重新排序緩衝區,以回應關於該HS-DSCH胞元改變的該RRC請求訊息;該MAC-hs電路更經配置用於供應表明該重新排序緩衝區已被清除的一資訊;一無線鏈結控制(RLC)裝置,經配置用於自主地產生關於被映射到該HS-DSCH的各回覆確認模式(AM)RLC事例的一狀態報告、以及將該狀態報告傳送到該RNC,以回應該MAC-hs清除該重新排序緩衝區,各狀態報告指出被遺漏並接收的多個AM RLC封包資料單元(PDU)序號(SN);以及該RRC裝置經配置用於在該RLC裝置產生各狀態報告後於一專用控制頻道(DCCH)上傳送一“傳送頻道重整完成(TRANSPORT CHANNEL RECONFIGURATION COMPLETE)”訊息。
- 如申請專利範圍第11項所述的分頻雙工使用者設備(FDD UE),其中該RLC裝置經配置用於將各狀態報告 傳送至一無線網路控制器(RNC)。
- 如申請專利範圍第11項所述的分頻雙工使用者設備(FDD UE),其中該胞元改變是在該FDD UE從一第一胞元改變為一第二胞元時,該第一胞元和該第二胞元與不同節點B相關聯。
- 如申請專利範圍第13項所述的分頻雙工使用者設備(FDD UE),其中該RRC訊息是接收自該第一胞元,且該“傳送頻道重整完成(TRANSPORT CHANNEL RECONFIGURATION COMPLETE)”訊息是被傳送到該第一胞元。
- 如申請專利範圍第13項所述的分頻雙工使用者設備(FDD UE),其中該RRC裝置經配置用於在一單一RRC程序執行該HS-DSCH胞元改變。
- 如申請專利範圍第11項所述的分頻雙工使用者設備(FDD UE),其中該RLC裝置經配置為使得該狀態報告的產生不是由一無線網路控制器的一請求產生一狀態封包資料單元、或者不是由一資料脫序傳送偵測來進行。
- 如申請專利範圍第11項所述的分頻雙工使用者設備(FDD UE),其中該RRC裝置經配置用於回應一胞元改變以在該DCCH上傳送一“實體頻道重整完成(PHYSICAL CHANNEL RECONFIGURATION COMPLETE)”訊息。
- 如申請專利範圍第17項所述的分頻雙工使用者設備(FDD UE),其中該胞元改變是在該FDD UE從一第一胞 元改變為一第二胞元時,該第一胞元和該第二胞元與一相同節點B相關聯。
- 如申請專利範圍第11項所述的分頻雙工使用者設備(FDD UE),其中該RLC裝置經配置用於產生各狀態報告以回應該RRC裝置接收到該RRC訊息。
- 一種由一分頻雙工(FDD)使用設備(UE)使用的方法,該方法包括:由該FDD UE的一無線資源控制(RRC)裝置從一無線網路控制器(RNC)接收一RRC請求訊息,該RRC請求訊息將一高速專用共享頻道(HS-DSCH)胞元改變通知該FDD UE;清除一高速媒體存取控制(MAC-hs)電路的一重新排序緩衝區,以回應關於該HS-DSCH胞元改變的該RRC請求訊息;該MAC-hs電路更經配置用於供應表明該一重新排序緩衝區已被清除的一資訊;由一無線鏈結控制(RLC)裝置自主地產生關於被映射到該HS-DSCH的各回覆確認模式(AM)RLC事例的一狀態報告以回應該MAC-hs清除該重新排序緩衝區、以及將該狀態報告發送到該RNC,各狀態報告指出被遺漏並接收的多個AM RLC封包資料單元(PDU)序號(SN);以及由該RRC裝置在該RLC裝置產生各狀態報告後於一專用控制頻道(DCCH)上傳送一“傳送頻道重整完成(TRANSPORT CHANNEL RECONFIGURATION COMPLETE)”訊息。
- 如申請專利範圍第20項所述的方法,其中各狀態報告被傳送至一無線網路控制器(RNC)。
- 如申請專利範圍第20項所述的方法,其中該胞元改變是在該FDD UE從一第一胞元改變為一第二胞元時,該第一胞元和該第二胞元與不同節點B相關聯。
- 如申請專利範圍第22項所述的方法,其中該RRC訊息是接收自該第一胞元,且該“傳送頻道重整完成(TRANSPORT CHANNEL RECONFIGURATION COMPLETE)”訊息是被傳送到該第一胞元。
- 如申請專利範圍第22項所述的方法,其中該HS-DSCH胞元改變是在一單一RRC程序中執行。
- 如申請專利範圍第20項所述的方法,其中該狀態報告的產生不是由該FDD IE的一資料脫序傳送偵測、或者不是由一無線網路控制器的一請求產生一狀態封包資料單元來進行。
- 如申請專利範圍第20項所述的方法,更包括:回應一胞元改變,該FDD UE傳送一“實體頻道重整完成(PHYSICAL CHANNEL RECONFIGURATION COMPLETE)”訊息。
- 如申請專利範圍第20項所述的方法,其中該胞元改變是在該FDD UE從一第一胞元改變為一第二胞元時,該第一胞元和該第二胞元與一相同節點B相關聯。
- 如申請專利範圍第20項所述的方法,其中各狀態報告是回應該RRC裝置接收到該RRC訊息而產生。
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