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TWI384777B - 提供用以支援上鏈及下鏈頻道之頻道分派資訊之方法及系統 - Google Patents

提供用以支援上鏈及下鏈頻道之頻道分派資訊之方法及系統 Download PDF

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TWI384777B
TWI384777B TW096143780A TW96143780A TWI384777B TW I384777 B TWI384777 B TW I384777B TW 096143780 A TW096143780 A TW 096143780A TW 96143780 A TW96143780 A TW 96143780A TW I384777 B TWI384777 B TW I384777B
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TW200843525A (en
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Rudolf Marian
G Dick Stephen
J Pietraski Philip
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Interdigital Tech Corp
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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
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0046—Code rate detection or code type detection
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)

Description

提供用以支援上鏈及下鏈頻道之頻道分派資訊之方法及系統
本發明係有關於一種無線通信系統。更進一步地說，本發明係有關於一種用以提供頻道分派資訊以支援上鏈及下鏈傳輸之系統及其方法。
高速下鏈封包存取(High Speed Downlink Package Access,HSDPA)已被開發來增加下鏈(DL)效率以及於通用移動通信系統(Universal Mobile Telecommunication System,UMTS)第五發行(R5)版本的寬帶分碼多重存取系統(W-CDMA)之總處理率。相較於通用移動通信系統(UMTS)之R99/R4版本，高速下鏈封包存取(HSDPA)之主要好處係為快速以及在下鏈與一快速層1混合自動重複請求(H-ARQ)中之動態鏈結調適。快速鏈結調適係藉由快速排程下鏈傳輸於一基站中，再與快速層1下鏈發訊號頻道聯繫而達成。該發訊號頻道，即一高速共享控制頻道(HS-SCCH)，傳輸無線資源配置資訊至複數個無線傳輸/接收單元(WTRUs)
於一個分頻雙工(FDD)中，一高速共享控制頻道(HS-SCCH)係在三(3)時槽傳輸時間間隔(TTI)期間，以一展頻係數(SF)等於128之通道化碼而發送出。該高速共享控制頻道(HS-SCCH)係指示，於一特定時間偏移後，在一高速下鏈共享頻道(HS-DSCH)中，資料將會被傳輸至一無線傳輸/接收單元(WTRU)。該高速共享控制頻道(HS-SCCH)攜帶下列資訊：1)通道化編碼組(channelization-code-set)資訊(七個位元)；2)調整方案資訊(一個位元)；3)傳輸區塊(transport-block)之大小資訊(六個位元)；4)混合 自動重複請求(H-ARQ)資訊(三個位元)；5)冗餘以及星象型(constellation)版本資訊(三個位元)；6)新資料指標資訊(一個位元)；7)一無線傳輸/接收單元(WTRU)特性(十六個位元)。
高速共享控制頻道(HS-SCCH)係於三(3)時槽上發送(兩毫秒傳輸時間間隔2 ms TTI))，但是其由兩個欄位所構成，第一欄位(第一時槽)包含通道化碼映射以及調整格式資訊；而第二欄位(第二以及第三時槽)包含傳輸區塊大小、混合自動重複請求(H-ARQ)資訊、冗餘版本以及與一無線傳輸/接收單元特定循環冗餘檢查(CRC)一起的新資料指標。
可選擇地，一加強上鏈(EU)可增加上鏈(UL)效率與總處理率。混合自動重複請求(H-ARQ)與B節點排程是該加強上鏈(EU)之一部份。相似於一高速下鏈封包存取(HSDPA)，用以加強上鏈(EU)操作之新的共享下鏈(DL)控制頻道係提供上鏈(UL)無線資源之快速以及動態調適，用以上鏈(UL)傳輸。用於加強上鏈(EU)之共享下鏈(DL)控制頻道，需要去保證低配置之淺在因素以及無線資源管理之高效率，用以上鏈(UL)傳輸。以下，為了達到加強上鏈目的之共享下鏈(DL)控制頻道係簡單地被稱為一上鏈(UL)資源分派頻道。
為了執行加強上鏈(EU)與高速下鏈封包存取(HSDPA)，另一個用於加強上鏈(EU)之上鏈(UL)資源分派頻道可被引進於一高速下鏈封包存取(HSDPA)之一存在高速共享控制頻道(HS-SCCH)上。所以，引進一組分開之展頻係數(SF)等於128之下鏈(DL)頻道以做為上鏈(UL)資源分派頻道是可行的。藉由這個方法，為了高速下鏈封包存取(HSDPA)之操作，無線傳輸/接收單元(WTRU)除了高速共享控制頻道(HS-SCCH)外，將需要去監控一個或更多 之上鏈(UL)資源分派頻道。雖然這個方法係為簡單之概念，有許多缺點包括在這個方案中，例如無線傳輸/接收單元(WTRU)之複雜性、無線傳輸/接收單元之電池效率，以及下鏈(DL)展頻之利用性。
所以，為了同時支援一個加強上鏈(EU)以及一高速下鏈封包存取(HSDPA)之操作，需要有一個有效率之加強上鏈(EU)頻道分派方案。
在一個實施例中，本發明是一種提供頻道分派資訊的無線通信系統，其中頻道分派資訊是用於支援一上鏈(UL)頻道以及一下鏈(DL)頻道。此種系統包含至少一B節點與至少一無線傳輸/接收單元(WTRU)，無線傳輸/接收單元(WTRU)是透過一共用控制頻道、上鏈(UL)頻道以及下鏈(DL)頻道來與B節點進行通信。無線傳輸/接收單元(WTRU)透過共用控制頻道自B節點接收一訊息。此訊息包含一指示，而該指示是用以指示訊息是否為針對該無線傳輸/接收單元(WTRU)，如果是，該無線傳輸/接收單元(WTRU)判定該訊息是否為用以分派無線資源至上鏈(UL)頻道或是下鏈(DL)頻道。藉以該無線傳輸/接收單元(WTRU)可基於有關於無線資源分派的判定來採取適當的動作。
在另外的實施例中，本發明係有關一種方法以及一種分時槽無線通信系統。此種系統包含至少一B節點、控制該B節點的無線網路控制器(RNC)以及透過一共用控制頻道、上鏈(UL)頻道以及下鏈(DL)頻道而與B節點進行通信的至少一無線傳輸/接收單元(WTRU)。無線網路控制器(RNC)傳輸一訊息至該無線傳輸/ 接收單元(WTRU)指示哪一時槽傳輸時間間隔(TTI)支援UL頻道傳輸以及哪一時槽傳輸時間間隔(TTI)支援DL頻道傳輸。
本發明將參照圖式說明，其中相同的號碼代表代表相同的元件。
此後，專用術語「WTRU」包含但並未限制於一使用者設備(UE)、移動站、固定或移動用戶單元、呼叫器或可於一無線環境中操作的任何形式的裝置。當此後提到專用術語「B節點」，其包含但並未限制於一基地台、網點控制器、存取點或於一無線環境下任何形式的介面裝置。
本發明可更進一步應用於任何形式的無線通信系統，例如UMTS分時雙工(TDD)及分頻雙工(FDD)、分時同步分碼多重存取(TD-SCDMA)、分碼多重存取2000(CDMA 2000)以及一般的CDMA，或是任何形式的無線通信系統。
本發明的特徵可整合至一IC或是配置於一包含許多互連元件的電路中。
本發明將參照一高速下鏈封包存取(HSDPA)和一加強上鏈(EU)描述，且該專用術語「HSDPA」和「EU」可分別與DL及UL互相交換使用，然而必須瞭解的是，參照一HSDPA和EU僅是為了描述本發明之較佳實施例，而本發明所揭露的可用於任何利用一共用控制頻道的系統，其係用以同時傳輸UL和DL傳輸之頻道分派資訊。
第1圖係為一根據本發明之系統100之方塊圖，其係用以支援UL和DL操作。該系統100包含一RNC 102、一B節點104 以及一WTRU 106。該B節點104係由該RNC 102所控制，且動態的配置來自該WTRU 106以及傳輸至該WTRU 106之UL和DL傳輸的無線資源。於B節點104以及WTRU 106之間建立三個頻道，該等頻道係為一DL頻道108、一UL頻道110及一共用控制頻道112，共用控制頻道112係用於UL和DL傳輸之頻道分派資訊之傳輸。
該B節點104係配置以支援一HSDPA和EU操作。因此，每一B節點104動態地分別在一HS-DSCH和一EU頻道中，配置來自該WTRU 106以及傳輸至該WTRU 106之UL和DL傳輸的無線資源。該HS-DSCH和該EU之無線資源分派資訊係透過該共用控制頻道112傳輸。
根據本發明，該共用控制頻道112係用於UL和DL傳輸之無線資源分派資訊，且提供一特定指示用以區別該無線資源分派是否是用於UL或是DL傳輸。因此，該共用控制頻道112佔用一共享DL無線資源空間，其係以一組SF=128的頻道化碼(channelization code)定義，其係同時用於DL和UL傳輸，且該WTRU 106係配置以識別一特定傳輸是否是為了分派該DL或UL傳輸之無線資源。
根據本發明之一第一實施例，一特定無線資源係被分派給一UL傳輸之一指示，係藉由一或多個在一現行高速下鏈封包存取(HSDPA)中的頻道化碼集合圖之不可能組合所提供。第2圖係為現行用於該高速下鏈封包存取(HSDPA)之頻道化碼集合圖之查詢表。一高速共享控制頻道(HS-SCCH)使用七(7)位元通知該WTRU 106哪一個SF=16的頻道化碼係用於對應的HS-DSCH，在該128可能組合的範圍外，八種(8)組合現在並未於一高速下鏈 封包存取(HSDPA)使用(詳見第2圖中標示的「冗餘區域」)，八種未使用組合之一或更多係用以分派無線資源或是指示該解調傳輸係用於UL傳輸，而非DL傳輸。因此，如果該WTRU 106判定了一頻道化碼集合對應第2圖中該不可能組合之一，則該WTRU 106識別該傳輸係係用以UL傳輸之無線資源分派，而非DL傳輸，或是該碼對應至該頻道化碼集合係分派給UL傳輸。
根據本發明之一第二實施例，一特定無線資源係被分派給一UL傳輸之一指示，係由一WTRU-特定循環冗餘檢查所提供。在現行高速下鏈封包存取(HSDPA)規格下，一WTRU-特定循環冗餘檢查係被包含於一高速共享控制頻道(HS-SCCH)區域2中。一個16位元的循環冗餘檢查(CRC)係自欲被傳輸的資訊計算，而該計算的循環冗餘檢查(CRC)係以一獨特的16位元WTRU標識符(ID)所掩蔽，該掩蔽的循環冗餘檢查(CRC)係被傳輸至一WTRU 106作為一WTRU-特定循環冗餘檢查。
根據本發明之一第二實施例，此WTRU-特定循環冗餘檢查係可經由一獨特且決定的方式修正，以指示該解調傳輸係為了UL傳輸，而非DL傳輸。舉例來說，在執行一頻道編碼前，針對高速下鏈封包存取(HSDPA)所計算的WTRU-特定循環冗餘檢查係為了一EU而反向，一WTRU 106執行二(2)個不同的比較，較佳地是同時進行，其係以執行該接收傳輸之循環冗餘檢查(CRC)之方式。如果該WTRU 106成功的以一WTRU-特定循環冗餘檢查解碼該接收傳輸，則該WTRU 106識別該傳輸係為了一高速下鏈封包存取(HSDPA)，如果該WTRU 106成功以一反向WTRU-特定循環冗餘檢查解碼該接收傳輸，則該WTRU 106識別該傳輸係為了一EU。
根據本發明之第三實施例，由針對一EU而分派的特定無線資源的指示是藉由一WTRU特定掩蔽序列來提供。在目前高速下鏈封包存取(HSDPA)規格書中，一個欄位1的40位元是以一個由16位元WTRU ID所產生的40位元WTRU特定中間碼序列所掩蔽。
依據第三個實施例，在欄位1的WTRU特定掩蔽以一個獨特且具有決定性的方式來修改，用以指示其為一EU的傳輸，而不是一高速下鏈封包存取(HSDPA)的傳輸。例如，在第二實施例中所產生的反向16位元循環冗餘檢查(CRC)可用來驅動該40位元長的掩蔽序列。如果該WTRU 106能有效解碼由一WTRU特定掩蔽序列所接收的傳輸，該WTRU 106可識別出由一高速下鏈封包存取(HSDPA)的傳輸，而若是該WTRU 106能有效解碼由一反向WTRU特定掩蔽序列所接收的傳輸，該WTRU 106可識別出由一EU的傳輸。
有關此方法，該WTRU 106可在已經接收僅該高速共享控制頻道(HS-SCCH)傳輸的欄位1之後，來區分EU或是高速下鏈封包存取(HSDPA)頻道分派是否已經傳輸。
另外，WTRU IDs可由該網路以此方式所配置，所以一特定WTRU ID不會與另一個WTRU ID牴觸。譬如，EU的一第一WTRU的反向ID可用來指示一第二WTRU的高速下鏈封包存取(HSDPA)服務，因此，可協助一UL資源分派頻道和一高速共享控制頻道(HS-SCCH)是否存在的同步偵測。
在本發明的一第四實施例中，由針對一EU所分派的特定無線資源的指示是藉由一無線資源控制(RRC)上下文訊號所提供。較佳者，B節點104配置各個無線資源以用在UL無線資源 分派傳輸和DL無線資源分派傳輸中。另外，一RNC 102是藉著使用RRC發訊號訊息來配置各個無線資源以用在UL無線資源分派傳輸和DL無線資源分派傳輸中。
例如，一個來自RNC 102的RRC訊號訊息可通知一WTRU 106在哪個TTI去預期一高速共享控制頻道(HS-SCCH)或是一UL資源分派頻道。在目前的R5高速下鏈封包存取(HSDPA)規格書中，十五個時槽包含一個訊框和三個時槽包含一個TTI。“偶數”的TTI可包含如第2、4、6、8、10、12和14的時槽，而“奇數”的TTI可包含第1、3、5、7、9、11、13和15的時槽。
依據本發明，一RRC傳輸訊號可指示一個在“偶數”TTI中的傳輸是針對高速共享控制頻道(HS-SCCH)的傳輸以及一個在“奇數”TTI中的傳輸是針對一UL資源分派頻道的傳輸。藉著不讓在一高速共享控制頻道(HS-SCCH)中的傳輸被傳輸到“奇數”TTI中，可保證對R5 WTRU的反向相容性。SF=128資源的相同集合可用在一高速共享控制頻道(HS-SCCH)和一UL資源分派頻道中。
根據本發明的一第五實施例，由針對EU所分派的特定無線資源的指示是藉由一相關DL專用頻道(DCH)的層1的指示所提供。一或更多的位元在該相關DL DCH是藉著一固定預先決定計時關係來指示一UL資源分派頻道作為相對於一高速共享控制頻道(HS-SCCH)的逼近出現。
第3圖是根據本發明的具有用於實施UL頻道分派訊號的方法步驟之流程300的流程圖。在流程200(步驟202)起始後，無線資源分派的訊息藉著一共用控制頻道從一B節點104傳輸到一WTRU 106。該WTRU 106在每一預定的TTI(例如，在每2 ms) 接收該訊息並使用預定的編碼來解調該訊息(步驟204)。該WTRU 106隨後判定該訊息是否為針對該WTRU 106(步驟206)，而一WTRU特定循環冗餘檢查可依此目的而使用。當WTRU106判定該訊息係為針對該WTRU 106時，該WTRU 106判定該訊息是否為用於DL傳輸或是UL傳輸的無線資訊分派來執行之前所描述的本發明任一實施例(步驟208)。該WTRU 106根據在步驟208的判斷採取適當動作(步驟210)而藉由DL或UL頻道來接收或是傳輸資料封包，譬如，該WTRU 106可精確識別何時經由該DL頻道108去初始化一資料接收流程或是何時經由該UL頻道110去初始化一資料傳輸流程。一般來說，高速下鏈封包存取(HSDPA)的高速共享控制頻道(HS-SCCH)是以一固定的兩個槽偏移來顯示一WTRU進入的資料封包，反之，本發明則能夠在WTRU有機會經由該UL傳輸一封包(例如自現在的四個隙)時通知該WTRU。
儘管本發明的特色與元件已經參照較佳實施例而詳盡地顯示和描述，熟習此技藝之人士將會瞭解，在不違背在上文中本發明所描述的保護範圍下，在其中可以完成各種型式和細節的改變。
RNC‧‧‧無線網路控制器
NODE-B‧‧‧B節點
UL‧‧‧上鏈
DL‧‧‧下鏈
EU‧‧‧加強上鏈
WTRU‧‧‧無線傳輸/接收單元
HSDPA‧‧‧高速下鏈封包存取
TTI‧‧‧傳輸時間間隔
CRC‧‧‧循環冗餘檢查
HS-SCCH‧‧‧高速共享控制頻道
H-ARQ‧‧‧混合自動重複請求
RRC‧‧‧無線資源控制
DCH‧‧‧專用頻道
100‧‧‧系統
102‧‧‧無線網路控制器(RNC)
104‧‧‧B節點
106‧‧‧無線傳輸/接收單元(WTRU)
108‧‧‧DL頻道
110‧‧‧UL頻道
112‧‧‧共用控制頻道
本發明可藉由下述之較佳實施例作為範例，並結合相關圖式而得到更詳細的瞭解，其中：第1圖係為係根據本發明操作之一無線通信系統的方塊圖；第2圖係為在一HSDPA中之頻道化碼集合圖之一查詢表，其係與第1圖之系統結合使用；以及 第3圖係為一程序流程圖，該程序包含根據本發明用以執行上鏈頻道分派發訊號之方法步驟。
100‧‧‧系統
102‧‧‧無線網路控制器(RNC)
104‧‧‧B節點
106‧‧‧無線傳輸/接收單元(WTRU)
108‧‧‧DL頻道
110‧‧‧UL頻道
112‧‧‧共用控制頻道

Claims (8)

  1. 一種用於使用一上鏈頻道或一下鏈頻道的一無線資源分派資訊的方法，該方法包括：經由一共用控制頻道接收包括一無線資源分派資訊的一訊息，其中該無線資源分派資訊表明一下鏈頻道或一上鏈頻道的一無線資源分派資訊，其中該下鏈頻道或上鏈頻道的無線資源分派資訊是經由一相同的共用控制頻道來接收；判定是否該無線資源分派資訊欲用於分派一下鏈頻道或是一上鏈頻道的一無線資源；以及在該無線資源分派資訊欲用於分派一下鏈頻道的一無線資源的情況下，使用該無線資源分派資訊以經由一下鏈頻道來接收一下鏈資料，或者，在該無線資源分派資訊欲用於分派一上鏈頻道的一無線資源的情況下，使用該無線資源分派資訊以經由一上鏈頻道來傳輸一資料。
  2. 如申請專利範圍第1項所述的方法，更包括基於一無線傳輸/接收單元(WTRU)標識符(ID)-掩蔽循環冗餘檢查(CRC)同位位元來判定該訊息是否欲用於一WTRU。
  3. 如申請專利範圍第2項所述的方法，其中該WTRU-ID掩蔽CRC同位位元是從一16位元CRC導出。
  4. 如申請專利範圍第1項所述的方法，其中該共用控制頻道同時攜帶一下鏈頻道及一上鏈頻道的一無線資源分派資訊。
  5. 一種用於使用一上鏈頻道或一下鏈頻道的一無線資源分派資訊的無線傳輸/接收單元(WTRU)，該WTRU包括：用於經由一共用控制頻道接收包括一無線資源分派資訊的 一訊息的裝置，其中該無線資源分派資訊表明一下鏈頻道或一上鏈頻道的一無線資源分派資訊，其中該下鏈頻道或上鏈頻道的無線資源分派資訊是經由一相同的共用控制頻道來接收；用於判定是否該無線資源分派資訊欲用於分派一下鏈頻道或是一上鏈頻道的一無線資源的裝置；以及用於使用該無線資源分派資訊的裝置，在該無線資源分派資訊欲用於分派一下鏈頻道的一無線資源的情況下，使用該無線資源分派資訊以經由一下鏈頻道來接收一下鏈資料，或者，在該無線資源分派資訊欲用於分派一上鏈頻道的一無線資源的情況下，使用該無線資源分派資訊以經由一上鏈頻道來傳輸一資料。
  6. 如申請專利範圍第5項所述的無線傳輸/接收單元(WTRU)，更包括用以基於一WTRU標識符(ID)-掩蔽循環冗餘檢查(CRC)同位位元來判定該訊息是否欲用於該WTRU的裝置。
  7. 如申請專利範圍第6項所述的無線傳輸/接收單元(WTRU)，其中該WTRU-ID掩蔽CRC同位位元是從一16位元CRC導出。
  8. 如申請專利範圍第5項所述的無線傳輸/接收單元(WTRU)，其中該共用控制頻道同時攜帶一下鏈頻道及一上鏈頻道的一無線資源分派資訊。
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