TWM283441U - Apparatus having medium access control layer architecture for supporting enhanced uplink - Google Patents
Apparatus having medium access control layer architecture for supporting enhanced uplink Download PDFInfo
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- TWM283441U TWM283441U TW094207074U TW94207074U TWM283441U TW M283441 U TWM283441 U TW M283441U TW 094207074 U TW094207074 U TW 094207074U TW 94207074 U TW94207074 U TW 94207074U TW M283441 U TWM283441 U TW M283441U
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0025—Transmission of mode-switching indication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1874—Buffer management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
- H04W28/22—Negotiating communication rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/02—Data link layer protocols
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- Detection And Prevention Of Errors In Transmission (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Description
M283441 严、創作說明(1) 創作所屬之技術領域 本創作是關於一無線通信裝置,例如與一節點B通信之一 無線傳輸/接收單元(下稱WTRU)。本創作尤其是關於在該 無線通ja糸統中’用以支援增強上鍵(E U )之媒體存取控制 (下稱MAC)層結構及功能。 先前技術 用以改善上鏈(下稱UL)覆蓋、生產能力以及傳輸延遲時間 之方法,現今在第三代夥伴計畫(3GPP)第6版(R6)中已經 研究。為了成功地執行這些方法,UL實體資源之排程 和分派將從一無線網路控制器(下稱RNC)移至一節點B,使 得節點B在短程基礎下決定和管理UL無線資源會比RNC更有 效率,即便RNC保持對該節點b之整體控制。 在一共享時間間隙内,在增強專用頻道(下稱E-DC Η)上會 處理一或多個獨立的UL傳輸,該增強專用頻道(E-DCH)是 介於該WTRU及一全球行動通訊系統(UMTS)&面無線存取網 路(下稱UTRAN)之間。其中一個例子便是一 MAC層混合自動 請求(下稱H-ARQ),或是一簡單MAC層ARQ運作,其中 個別傳輸可能需要不同數量的重新傳輸,才能成功地 由該UTRAN所接收。 創作内容 本創作是關於一種WTRU,其是與一節點B通訊,該WTRU具
第5頁 M283441 四、創作說明(2) 有一用以支援EU之改善MAC層結構及功能。這種稱作MAC-e 實體之新的EU MAC實體是定義且整合至一 WTRU、一節點B 以及一 RNC内。該WTRU MAC-e負責處理H-ARQ傳輸和重新傳 輸、優先權處理、MAC-e多工傳輸、以及運輸格式組合(下 稱TFC)的選擇。該節點B MAC-e實體負責處理H-ARQ傳輸和 重新傳輸、增強專用頻道(E-DCH)排程以及MAC-e解多工傳 輸。該RNC MAC-e實體則提供循序傳送,並負責處理來自 不同節點B的資料組合。 l#VTRU MAC-e包含一 EU速率請求/分派實體、一優先權處 理實體、一 TFC選擇實體以及一 H-ARQ實體。該EU速率請 求/分派實體送出一速率請求至一節點B,用以經由E-DC Η 傳輸資料並且處理由該節點Β所接收之速率授予,該優先 權處理實體管理該資料之分派以及根據該資料之傳輸優先 權之一 H-ARQ程序,該TFC選擇實體選擇該資料之一 TFC, 該H-ARQ實體根據來自該節點Β之一重新傳輸回饋,重新傳 輸該資料。該節點B MAC-e包含一排程器、一解多工器以 及一 H-ARQ實體。 S 式 此後,專用術語「WTRU」包含但並未限制於一使用者設備 (下稱UE)、一行動台、一固定或行動用戶單元、一呼叫器 或可在一無線環境下操作之任何形式之裝置。當本文此後 提到專用術語「節點B」,其包含但並未限制於一基地
第6頁 M283441 四、創作說明(3) p 站台控制器、一存取點或是在無線環境下任何結識 的介面裝置。 本創作之特徵可整合至一積體電路(下稱I c ),或是配置在 包含终多相互連接元件之電路上。 第1圖是為根據本創作之一無線通信系統丨〇之方塊圖,該 系統10包含一 WTRU 1〇〇、一節點B 2 0 0以及一 RNC 3 0 0。該 1^0 3 0 0藉由配置該節點3 2 0 0以及該^1^11100之£11參數來 控制整體E U運作,例如:初始傳輸功率等級、最大允許E U Ar功率或每節點B之可用頻道資源,在該WTRU 1 00及該 節點6 2 0 0之間,是建立一£-0(:11102以支援£1]傳輸。 關於£-1)(:11傳輸方面,該^1^100經由一111£1]信號頻道 1 0 4送出一速率請求至該節點b 2 0 0,在回應方面,該節點 B 2 0 0經由一下鏈(下稱DL) EU信號頻道1 06送出一速率授 予至該WTRU 100。在EU無線資源配置給該WTRU 100之後, 該〜丁1^100會經由該£-0(:}1102傳輸£-0(:11資料,在回應該 E-DCH傳輸方面,該節點B經由該DL EU信號頻道1 06送出一 l^ARQ運作之確認(ACK)訊息或是非確認(NACK)訊息,該節 黑Pb 2 0 0亦可因應該E-DCH資料傳輸,以速率授予回應該 WTRU 100。 第2圖是為根據本創作之E-DCH 10 2之通訊協定結構方塊 圖。在該WTRU 1 00、該節點B 2 0 0以及該RNC 3 0 0中設計一
第7頁 M283441 四、創作說明(4) 種稱做MAC-e的新EU MAC實體,以處理所有關於E_DCH傳輸 和接收的功能。一 M A C - e實體1 2 0是整合至該WTRU 100,其 是介於一 MAC-d實體130及一實體層(PHY)實體1 10之間。在 該WTRU中之該MAC-e 120處理H-ARQ傳輸和重新傳輸、優先 權處理、MAC-e多工以及TFC選擇。一 MAC-e實體22 0是整合 至該節點B 2 0 0,其是處理H-ARQ傳輸和重新傳輸、e-DCH 排程以及MAC-e解多工。一 MAC-e實體3 2 0是整合至該 R N C 3 0 0 ’以便提供循序遞送並處理來自不同節點β之資料 組合。 第3圖是為根據本創作之WTRU 1 00内,該MAC-e 1 20結構之 方塊圖,該WTRU MAC-e 120包含一 EU速率請求/分派實體 122、一優先權處理實體124、一 TFC選擇實體126以及一 H — ARQ實體128。值得注意的是第3圖之提供是作為本創作之 一較佳實施例,且第3圖所示之實體可整合至一共享MAC功 能實體’且該功能可由多或少的功能實體所執行。 當該”龍1〇〇有£-〇(:11資料等著經由該£-0(:11102傳輪時, %Ευ速率請求/分派實體122負責向該節點B 2 0 0請求無線 二0原’該EU速率請求可為下列其中之一:一訊務量指示 符、一請求資料率、一 TFC索引以及每一資料流之訊務量 測量(下稱TVM)數量。該速率請求可經由實體或是MAC層作 號送至該節點B 2 0 0,速率請求是基於無線連結控制> 資料TVM所產生,該TVM可包含E-DCH傳輸之資料訊務量,
第8頁 M283441 ,、創作說明(5) 戒是選擇性地更包含等待重新傳輸之具主動H-ARQ程序資 料0 當該WTRU 1 0 0由該節點B 2 0 0 (WTRU可能由超過一個節點β 接收到速率授予)接收一速率授予(亦即速率及/或時間排 程),該EU速率請求/分派實體1 22會通知該優先權處理實 體1 2 4,有可用的資源供該資料傳輸用,該接收之速率授 予會判定該Ε-DCH運輸格式組合集合(TFCS)之子集,及^或 起始時間以及持續時間(選擇性的)。 藉由送出该速率請求’該w T R U 1 0 〇可要求該節點Β 2 0 0改 變在该TFCS内之允許UL TFCs之集合,且該節點β 2 0 0可藉 由送出該速率授予,改變該TFCS内之允許UL TFCs。該 WTRU 1 00可送出一排程資訊以更新該節點B 2〇〇,以提供 緩衝區佔有及/或可用傳輸功率資訊,以便在該節點B 2 〇 〇 内之一排程實體22 2可決定適當的TFCS指示符及傳輸時間 間隙。為了藉由持續控制以快速速率排程,該節點B 2 〇 〇 可迗出參數’其代表該系統所能忍受的有效干&,且因此 •止在速率控制模式下的WTRUs遠離傳入額外的干擾。此 方法之完成可藉由該節點B 2 0 0,在該速 WTRU 100所能使用之EU傳輸之允許傳輸功率 之優先權,管理資料 關連之DL EU信號之傳 該優先權處理實體1 2 4會根據該資料 流之分派以及H-ARQ程序,基於來自 M283441 創作說明(6) 輸回饋,會決定一新的傳輸或是重新傳輸,除此之外,每 MAC協定資料單元(下稱PDU)之一佇列識別(ID)以及傳輸 序列號(下稱TSN)亦會決定。該TSN對在一 E-DCH内之每一 優先權等級都是唯一的’且每一新資料區塊便增量一次。 選擇性地,該優先權處理實體1 2 4可插在低優先權資料重 新傳輸之前,較高優先權資料之一新的重新傳輸可在任何 時間被初始以支援優先權處理,而不是等待低優先權資料 之重新傳輸。 F C選擇實體1 2 6會選擇欲在該E — DCH 10 2上傳輸之資料 之一 TFC’其是根據在該速率授予之中所發送的資訊,並 且多工多重MAC -d流入一 MAC-e PDU。該速率授予可完全授 予或是相對授予,完全授予提供該WTRU可能使用之UL資源 之最大量限制,相對授予則相對於前次使用值增加和減少 資源限制。 該T F C選擇是受限於最大允許傳輸功率,以及來自該節點f 2 0 0之速率授予所允許之相對應的TFCS子集,TFCS選擇是 一 邏輯頻道優先權,使得該TFC選擇可將高優先權資料 輸最大化,在一 MAC-e PDU之中該MAC-d流之允許組 合,其是由該RNC所配置,亦在該TFC選擇内所考量。 該H-ARQ實體128處理所有需要H-ARQ通訊協定的工作,該 H-ARQ實體128負責儲存MAC-e承載以及在傳輸失敗時重新
第10頁 M283441 四、創作說明(7) 傳輸他們。該H-ARQ實體128可支援該H-ARQ通訊協定之多 重個體(H-ARQ程序),在該WTRU 100中所配置之EU可能有 多於一個的H-ARQ程序。 根據本創作,較佳地是執行一同步H-ARQ,因此H-ARQ運作 是基於在該UL中之同步DL ACK及NAK以及同步重新傳輸。 第4圖是為根據本創作之節點b 2 0 0内MAC-e 2 2 0結構之方 塊圖。該節點B M A C - e 2 2 0包含一排程器2 2 2、一解多工器 #4以及一 H-ARQ實體2 2 6。在該節點B中,較佳地是為每一 WTRU提供一 MAC-e實體2 2 0,且較佳地是為每一胞元提供一 排程器,該排程器2 2 2管理WTRUs間E-DCH胞元資源。 該排程器2 2 2管理WTRUs間之E-DCH資源以及H-ARQ程序。基 於來自WTRUs 100之速率請求,該排程器2 2 2產生速率授 予,並經由D L E U信號頻道1 〇 6將其送給W T R U s 1 0 0,該速 率授予提供資訊以決定WTRU 100可能選擇的TFCs集合,並 指示一 W T R U所被允許用來進行E _ D C Η傳輸之最大資源量。 ΚΜ呈器2 2 2控制在對應的EU信號頻道上,速率請求之接 l速率授予之傳輸,否則就是在節點B MAC-e 2 2 0中提 供一個分離的控制實體(圖上未示),用以接收該速率請求 並且傳輸該速率授予,而該排程器2 2 2就可在該節點B MAC-e 2 2 0外提供。
第11頁 M283441
該解多工器22 4將MAC-e PDUs解多工成為MAC-d PDUs, 贼八(:-敝至肘八(:-6?01]之多工在該^1^100内有所支援,多 童^^0(1流能被配置給一1丁1?11,亦可由該1^〇 3 0 0多工成為 一個MAC-e PAU,該多工處理之MAC-e PDUs是由該解多工 器2 2 4解多工成為MAC-d流,該節點B解多工處理可導致 MAC-d或是RLC PDU重新排序,且MAC-e PDU重新排序可由 該RNC 3 0 0執行。 重新排序可在該節點B MAC-e内執行, 之數量,或是在該RNC MAC-e中朝 MAC-e 320包含一重新排序實n
里7w 矛秦之 該RNC 在其中可知該H-ARQ 行。參照回第2圖, ,用以重新排序接 收之MAC-e PDUs,其是根據所接收的傳輸序列號(TSN)。
具有連續TSNs之MAC-e PDUs是被傳送至拆卸函數,而具有 一遺漏較低TSN之PDUs則不會被傳送至該拆卸函數,該拆 卸函數會在將其送至較高層之前移除該MAC-e表頭,該RNC 3 0 0包含複數個重新排序佇列,用以重新排序具有不同優 先權等級之PDUs。 4新排 程) 序是於該RNC MAC-e中執行 ______序數目以及成功解碼之資料傳遞至該rnc 3〇〇,該H_ ARQ程序無疑地亦可由節點B傳遞至該RNC接收時間知道, 該H-ARQ程序數目可由一系統訊框號(SFN)或是一連接訊框 號(CFN),以及在該WTRU 100内H-ARQ程序配置機制所獲 得。 &
第12頁 M283441 _ 四、創作說明(9) 該[1-人1^實體2 2 6產生人(:1(3以及^(:1(3,以指示£-0(:騰輸之 傳遞狀態,一 Η - A R Q實體玎支援停止以及等待Η - A R Q通訊協 定之多重個體。 第5圖是為根據本創作在該WTRU 100及該節點B 2 0 0之間, WTRU 10 0及節點B 2 0 0伴隨信號程序之MAC-e結構方塊圖。 當該WTRU MAC-e 12 0由WTRU RLC層14 0接收資料,且欲經 由一£4(:111〇2傳輸(步驟502),該£1]速率請求實體122送 速率請求至該節點B 2 0 0 (步驟5 0 4 ),該節點B 2 0 0以 一速率授予回應(步驟506)。基於接收之該速率授予,該 E U速率請求實體1 2 2通知該優先權處理單元1 2 4,有可用的 無線資源供該資料傳輸(步驟5 0 8 ),該優先權處理單元1 2 4 接著多工處理該資料,並且根據該資料的優先權分派一 Η一 ARQ程序,且該資料之TFC會由該TFC選擇實體所選出(步驟 51〇、512),該資料會經由該£-1)(:11102以該分派的1141^ 程序傳輸(步驟5 1 4 ),該節點Β 2 0 0透過DL EU信號頻道1 〇 6 送出一回饋信號(步驟5 1 6 ),如果該回饋信號是為一 ^CK,則該資料可自主地重新傳輸(步驟5 1 8 ),或是在接 到其他速率授予之後重新傳輸(步驟5 2 0 )。 儘管本創作之特徵和元件皆於實施例中以特定組合方式所 描述,但實施例中每一特徵或元件能獨自使用,而不需與 其他特徵或元件組合’亦此與/不與本創作之其他特徵和
Fl3 頁 '' ·— M283441 四、創作說明(ίο) 元件做不同之組合。 褕管本創作已經透過較佳實施例描述,其他不脫附本創作 之申請專利範圍之變型對熟習此技藝之人士來說還是顯而 易見的。
第14頁 M283441
之無線通信系統之方塊圖; 之WTRU之通訊協定結構之方塊 之WTRU内MAC-e結構之方塊圖 之節點B内MAC-e結構之方塊圖 弟1圖所示為根據本創作 弟2圖所示為根據本創作 圖, 弟3圖所示為根據本創作 第4圖所示為根據本創作 以及 第5圖所示為根據本 B以及信號處理之ΜΑΓ]作之WTRU和節點B之間’ WTRU及節 〜6結構之方塊圖。 符號說明: /分派實體 WTRU無線傳輸/接收單一 EU增強上鏈 70 1 0系統 1 22 EU速率請求 1 2 6選擇實體
2 0 0節點B 2 2 4解多工器 MAC媒體存取控制 1 0 4,1 0 6信號頻道 1 2 4優先權處理實體 128 H-ARQ實體 2 2 2排程器 2 2 6 H-ARQ實體 R N C無線網路控制器 E-DCH增強專用頻道
第15頁
Claims (1)
- M283441 五 、申請專利範圍 Ί . 一種無線傳輸 /接收單元(WTRU),其 與一 節 點 B通訊 , 該 WTRU包含: 一速率請求/分派實體,用以 送出一 速率 請 求 至 該 々/Γ 即 點 B, 以便經由一增 強專用頻道(E- -DCH)傳 貝 料 並 且 用 以 處 理接收自該節點B因應該速率請求之- -速率授予' 一優先權處理 實體,電耦合至該速率請求/分 派 實 體 該 優先權處理實體用以管理該資 料之分 派以 及 一 混 合 1 動 重 複請求(H-ARQ)程序,該管理是根據欲傳輸之該資料之 優 先權; « > 一運輸格式組 合(TFC)選擇實 體,電 麵合 至 該 優 先 權 處 理 實體,該TFC選 擇實體用以選擇該資料之- -TFC; 以 及 一 H-ARQ實體, 電耦合至該TFC選擇實體 ,該H-ARQ用 以 重 新傳輸該資料’ 並是根據來自 該節點 B之- -重新傳輸回 饋 0 2. 如申請專利範 圍第1項所述的 WTRU, 其中 該 速 率 請 求 是 由 送出下列其中之一所執行:一 訊務量 指示 符 一 請 求 資 料 率、一 TFC索引 、以及每一資料之訊務量測量數量。 \ 3. 如申請專利範 圍第1項所述的 WTRU, 其中 該 速 率 請 求 是 由實體層信號傳輸。 Ψ. 如申請專利範 圍第1項所述的 WTRU, 其中 該 速 率 請 求 是 經 由媒體存取控制(MAC)層信號傳輸。 5. 如申請專利範 圍第1項所述的 WTRU, 其中 該 速 率 請 求 是 藉 由考慮無線連結控制(RLC)資料訊務量所決定。 6 · 如申請專利範 圍第5項所述的 WTRU, 其中 該 速 率 請 求 更第16頁 M283441 五、申請專利範圍 藉由考慮資料在該H-ARQ程序中等待重新傳輸所決定。 7. 如申請專利範圍第1項所述的WTRU,其中該速率授予通 釦至少下列其中之一 :E-DCH運輸格式組合集合(TFCS)子 集以及E - D C Η傳輸之起始時間。 8. 如申請專利範圍第7項所述的WTRU,其中該速率授予更 包含該E-DCH傳輸之持續時間。 9. 如申請專利範圍第1項所述的WTRU,其中該TFC是根據 下列至少其中之一所選擇:一最大允許傳輸功率,以及由 該速率授予所允許之一對應運輸格式組合集合(TFCS)子 禱。 10. 如申請專利範圍第1項所述的WTRU,其中該優先權處 理實體在接收來自該速率請求/分派實體之一通知後,會 初始資料流之分派。 1 1.如申請專利範圍第1項所述的WTRU,其中較低優先權 資料之重新傳輸可被較高優先權資料之一新傳輸所插隊, 藉此在任何時間,較高優先權之一新傳輸可取代一較低優 先權資料之重新傳輸而開始。 12.如申請專利範圍第1項所述的WTRU,其中未成功傳送 Μ料之重新傳輸,可不需一更進一步的速率請求而自主 ,始。 13.如申請專利範圍第1項所述的WTRU,其中未成功傳送 之資料之重新傳輸無法自主地重新傳輸,藉此其他速率請 求會被傳輸以重新傳輸該資料。 14.如申請專利範圍第1項所述的WTRU,其中該速率請求/第17頁 M283441 五、申請專利範圍 分派實體會送出關於下列至少其中之一之資訊給該節點 B :緩衝區佔用以及可用傳輸功率資訊。 i 5.如申請專利範圍第1項所述的WTRU,其中該H-ARQ實體 執行同步Η - A R Q,藉此該回饋之傳輸以及該重新傳輸在該 WTRU及該節點B中會同步。 16. 如申請專利範圍第1項所述的WTRU,其中該速率授予 是為一完全授予,而提供該WTRU可使用之UL資源之最大數 量之一完全限制。 17. 如申請專利範圍第1項所述的WTRU,其中該速率授予 —相對授予,其是比較先前所使用之值以增加或是減 少該資源限制。 18. —種節點B,其與一無線傳輸/接收單元(WTRU)通訊, 該節點B包含: 一排程器,用以管理在一胞元内WTRUs之間之增強專 用頻道(E-DCH)資源,以及一 WTRU之混合自動重複請求(H-ARQ)實體,並接收來自一 WTRU之速率請求,且因應該速率 請求送出一速率授予至一 WTRU; 一解多工器,用以對媒體存取控制實體(MAC-e)通訊 定資料單元(P D U s )進行解多工處理;以及 •一 H-ARQ實體,電耦合至該排程器以及該解多工器, 該H-ARQ實體用以產生並送出一傳輸回饋,並是因應來自 該WTRU之E-DCH傳輸。 1 9 .如申請專利範圍第1 8項所述的節點B,其中該解多工 器會導致專用頻道(MAC-d) PDU重新排序。第18頁 M283441 五、申請專利範圍 Έ 0 .如申請專利範圍第1 8項所述的節點B,其中該解多工 器導致無線連結控制(RLC) PDU重新排序。 2 1.如申請專利範圍第1 8項所述的節點B,其中該排程器 並未包含優先權處理。 2 2 .如申請專利範圍第1 8項所述的節點B,其中在該節點B 中是為每一 WTRU提供一 MAC-e。 2 3 .如申請專利範圍第2 2項所述的節點B,其中提供一排 程器給由該節點B所覆蓋之每一胞元,使得該排程器可管 理在該胞元中WTRUs之E-DCH資源。 如申請專利範圍第2 3項所述的節點B,其中是提供一 分離控制器,用以執行接收該速率請求之功能,且送出由 該排程器執行之一速率授予。 25. —種節點B,其是與一無線傳輸/接收單元(WTRU)通 訊,該節點B包含: 一控制器,用以接收來自一 WTRU之一速率請求,且送 出由一排程器產生之一速率授予,用以管理在一胞元中 WTRUs間之增強專用頻道(E-DC Η )資源; 一解多工器,用以對媒體存取控制實體(MAC-e)通訊 定資料單元(PDUs)進行解多工處理;以及 胃一 H-ARQ實體,電耦合至該控制器以及該解多工器, 該H-ARQ實體用以產生並送出一傳輸回饋,以因應來自該 WTRU之 E-DCH傳輸。 2 6. —種無線網路控制器(RNC),其包含: 一接收器,用以接收通訊協定資料單元(PDUs),每一第19頁 M283441 五、申請專利範圍 •PDU具有一傳輸序列號(TSN);以及 一重新排序實體,用以根據其TSNs重新排序該PDUs。 2 7 .如申請專利範圍第2 6項所述的RNC,更包含複數個重 新排序佇列,用以重新排序具不同優先權等級之PD Us。11·· 第20頁
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