TWI244349B - Point to multi-point services using high speed shared channels in wireless communication systems - Google Patents

Point to multi-point services using high speed shared channels in wireless communication systems Download PDF

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TWI244349B
TWI244349B TW092109932A TW92109932A TWI244349B TW I244349 B TWI244349 B TW I244349B TW 092109932 A TW092109932 A TW 092109932A TW 92109932 A TW92109932 A TW 92109932A TW I244349 B TWI244349 B TW I244349B
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channel
data
service
dsch
users
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TW200307470A (en
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Stephen E Terry
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Interdigital Tech Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/20Arrangements for detecting or preventing errors in the information received using signal quality detector
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041Arrangements at the transmitter end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements 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
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854Wide area networks, e.g. public data networks
    • H04L12/2856Access arrangements, e.g. Internet access
    • H04L12/2858Access network architectures
    • H04L12/2861Point-to-multipoint connection from the data network to the subscribers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/04Error control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08User group management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/30Resource management for broadcast services
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092Error control systems characterised by the topology of the transmission link
    • H04L2001/0093Point-to-multipoint
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS

Description

1244349 五、發明說明(1) 發明領域 本發明一般係關於無線通訊系統,特別是本發明係關 於此種系統中的點對多點服務。 背景 在無線通A糸統中愈來愈希望使用點對多點服務,如 第1圖所示,在點對多點,一種服務係自單一點,如基地 台,送至多點,如用戶設備。點對多點服務的實例為"多媒 體廣播及群播服務。 在第二代夥伴專案(3 G P P )提出系統,可被用於此種 服務的一個經提出頻道為轉送接取頻道(Fach )。該fach 為一種下行共同傳輸頻道(TrCH ),其可由所有使用者接 收。該FACH TrCH精由將其施用於次要共同控制實體頻道 (S-CCPCH)而被傳播。該S-CCPCH被傳送至所有胞元使用 者0
為限制分配至該S-CCPCH的無線電資源,該s — cCPCH資 料速度被限制。為說明用途,若高資料速度服務在該S 一 CCPCH上被傳輸,則需要使用低資料冗餘來傳輸以達到高 資料速度。因該S-CCPCH係傳輸至整個胞元,其在所欲服 務質量(QOS )在該胞元周圍足以由使用者接收的功率位 準下傳輸。在此功率位準下傳播高資料速度服務會增加至 其他使用者的介面,減少系統容量,其為非常不欲的。 因該S-CCPCH及FACH的傳播本性,該s —CCPCH及FACH所 需的無線電資源為非常靜態的。該S - c C P C Η所使用的調變 及編碼組(MCS )及傳輸功率位準需為足夠的以在該胞元
弟3貝 1244349
五、發明說明(2) 周圍維持所欲的Q 0 S。 一種被提出用於3GPP系統的分享頻道為高速—八古 頻道(HS-DSCH )。該HS-DSCHs為高速頻道,其 灯刀子 使用者(用戶設備)時間分享。每一個徨^ /、曰二由胞几 调得w之目樟為個别 使用者且在該HS-DSCH上的每一個使用本々屑仏γ ⑺ 從用者之傳輸係由時間 分開。
至一個使用者的該HS-DSCH傳輪伴隨著上行及下行專 屬控制頻道。每一個使用者經由在上行控制頻道發訊號的 層1及層3傳送測量’使用這些測量,一種調變及編碼組 (MCS)被選擇以用於此使用者的傳輸。該mcs可每2至1〇 毫秒變化。經由小心選擇使用者傳輸的紅5,最不穩健性 (最低資料冗餘)MCS可被選擇以維持所欲服務質量 (Q 0 S )。結果’無線電資源被更有效地利用。
為決定何時特定使用者的傳輸可在該HS-DSCH上傳 送’該使用者首先在該下行控制頻道組尋找其被編碼在循 環几餘碼(CRC )的UE I D及解碼該下行控制頻道以得到 Hs〜DSCH分配資料。在一預定期間後,該ue接收該HS-DSCH 而得到具其UE I D的封包及解碼該封包以接收使用者資 料。
雖然該HS-DSCH允許無線電資源的更有效利用,但僅 點對點服務可由該HS-DSCH處理。為處理多重接收點,多 重傳輪必須在該HS-DSCH上進行。此種多重傳輸使用大量 的無線電資源,其為不欲的。 因此,希望具一種彈性機構以提供點對多點服務。
摘要 1244349 傳輸線rf:被傳輸1 一服務辨識碼 包 Μ糸統胞兀的一組使用者接收,該組使用者不 辨識iir有使用者。該組使用者的每—個接收該服務 3二)組值使用者 )傳送的第一服務辨識碼。該服務資料 =務辨識喝在該HS-DSCH傳送。該組使用者的每= J弟一服務辨識碼及接收該HS-DSCH的服務資料。 較佳具體實施例詳細敘述 、2然該較佳具體實施例係以較佳的3GPP提出系統敘 述,匕們可與其他使用點對多點傳輸的無線電系統一 使用。 〜狐 第2圖為較佳的HS-DSCH 16及其附屬下行控制頻道13 以用於傳輸點對多點(p t Μ )服務的說明。在第2圖中,一 組使用者㈣1 ……UE J l2j.....UE N 12N要接收一在 該HS-DSCH 16的服務。一種下行共同控制頻道(ccc ) 13
被用來分配該HS-DSCH 16給使用者UE 1 12i.....UE J 12J.....UE N 12N。該HS - DSCH 16由基地台1〇送出且由 UEs 12广12N群接收。UEs如未登錄此服務的UE X 12x不符合 在CCC 1 3上的服務識別碼。因此,此UE,UE X 1 2X,未被 構形為接收該HS-DSCH 16的資料。 第3圖為B節點1 8及UEs的其中一個,UE J 1 2】,以用於 在該HS-DSCH 16的傳送資料之簡化圖式。在B節點18,一
種下行控制頻道產生器24產生每一個UE 1 2! -1 2N的(:(:(:訊
第7頁 1244349 五、發明說明(4) 號。對UE J 12』,在該CCC 13由天線32或天線陣列經由無 線射頻介面2 2射出後,此訊號由u E J 1 的天線3 4或天線 陣列接收且由CCC接收器3 6處理以回復頻道的控制貧料’ 如該HS-DSCH 1 6的調變及編碼組。 一種HS-DSCH產生器26產生該HS-DSCH訊號以組由該無 線介面22傳送。該HS-DSCH訊號係使用其天線34成天線陣 · 列而由UE J 12:接收。該HS-DSCH 16的資料藉由,種Hs— ’ DSCH接收器38使用該CCC資料而被回復,一種頻道品質測 量裝置40拾取該HS-DSCH的頻道品質測量/資料,如訊號與 介面比(SIR)或字組錯誤率(BLER )。頻道品質亦可由 ‘ 該下行附屬專屬頻道而得到。該測量/資料藉由上行實體 控制頻道(CCC )傳送器,或藉由層3發訊號步驟而傳送至 該B節點1 8。 此外,一種在用戶設備1 2的自動回覆請求(ARQ )傳 送器41傳送確認應答(ACKs)及否定ACKs (NAKs),其顯 示該HS-DSCH資料是否已成功接收。一種在b節點18的…卩 接收器31接收該ACK及NAKs,若一個NAK由該HS-DSCH傳輸 使用者的任一個接收,則典型上該HS —DSCH傳輸被重覆, 該B節點18為所有使用者檢查該ACKs/NAKs。典型上,若任 何使用者傳送NAK,則重新傳輸被進行。然而,若僅有一 些超過定限的NAKs,則重新傳輸僅會被促使。典型上,對 重新傳輸的時間限制被設定,較佳為,該UEs 12 忽略後續重新傳輸,節省其功率。 g 一種在該B節點1 8的頻道品質測量處理器3 〇自所有該
1244349 五、發明說明(5) HS-DSCH的使用者回復該頻道品質測量/資料。一種調變及 編碼組(MCS )選擇裝置28使用自每一個已登錄以接收該 P t Μ服務(使用者群)的使用者的該頻道測量/資料以選擇 該HS-DSCH傳輸的MCS。較佳為所選擇的MCS為最不穩健性 (最高資料速度)使頻道條件允許具最差的已接收經測量 HS-DSCH訊號品質的在此ptM使用者群的使用者可進行工 作。雖然可使用更長時間範圍,較佳為該MCS在每個傳輸 時間間障(TTI )被更新。該CCC產生器24產生該CCC,其 顯示至UE 1 12〗.....UE J 12】.....UE N 12N的已選擇
MCS以進行該HS-DSCH的適當接收。該hs-DSCH產生器26使 用已選擇的MCS產生該HS-DSCH 16。 對具多重子資料流的服務,各種子資料流的傳輪特性 可被個別處理。為說明用途,多媒體服務可具音聲、影像 及内文子資料流。每一個子資料流的Q〇S可為不同使得^不 同傳輸屬性可由每一個子資料流使用。此方法可得到更佳 的資源效率,每一個子資料流可被個別處理而非傳輸每一 個子資料流以符合最高的Q〇S子資料流要求。對每一個子 資料流,該字組錯誤率(BLER )與BLER品質目標被比較。
第4圖為B節點1 8的較佳調度機構的簡化方塊圖式。該 調度機構4 6較佳為被用來調度每一個ττ I的資料,雖然可 使用較長的調度時間。該調度機構46接收要在該hs — dsch 傳輸的點對點(PtP )及PtM資料。該調度程式決定在下一 個ΤΤ I那一個使用者接收PtP傳輸及那一個使用者群接收
第9頁 1244349 五、發明說明(6) 在較佳=間期間調度資料傳輸可得到更有效的音聲資 源利用。為說明用途,在特定ττ 1 ,少量資料可用於專屬 ptp傳輸,因在該ΤΤΙ上音聲資源的增加可提供性,該調度 機構46可增加經由該HS_DSCH頻道傳輸的ptM資料量。同樣 地’當PtM貝料未被提供時,該調度程式可選擇傳輸 服務。另一個調度標準為Q〇s屬性,如傳輸延遲及/或ptp 或PtM服務的資料產量要求。基於m基準的調度提供達到 這些要求同時維持HS — DSCH胞元資源的高利用率的更大能 力0 該調度程式46亦可考慮實體傳輸要求。例如,一個使 用者或使用者群會要求較另一個更為穩健性的mcs。在下 一個ττι期g ’資源可能僅提供給較少穩健性mcs,之 ==5=調度附使用者或叫用者群的傳輸 _ A 杏用。因提供用於傳輸的資料具特定 "的只體資源及頻道品質測量基於TTI基準變 2,在此間隔内調度的能力改良滿意使用者的數目及實體 Μ源的整體利用及有效使用。 該調度程式46亦自在PtM你用,, ACK/MM反饋及調度重新傳輸直使 二:達:務或是Λ新傳輸限制達到方法的優點為:: ;ΓΤΛ二重零,而非重新傳輸整個服務 =輸車父佳為,先雨產生ACK的使用者忽略任何重新傳 1244349 五、發明說明(7) 此方法的優點為基於TTI基準在PtP及PtM服務間動態 地調度之能力而非以層3步驟調度S-CCPCH,層3步驟需要 1 0 0多毫秒至數秒大小以進行頻道分配,此提供改良QOS及 實體資源管理。此外,其允許UE接收多重服務而不需具同 時頻道接收的容量,因重疊的實體分配可被避免,此多重 服務可由時間分開。 B節點18在該CCC 13發訊號至該UEs 12i-12N,頻道構 形為UE丨- 1 2N資料可被傳送。藉由最大化無線電資源的 使用’每一個TT I的較佳調度減少在服務間的資源衝突, 此頻道的分配經由該下行CCC使用發訊裝置48送訊號至使 用者。若無該機構46,典型上,頻道無法在TTI上被重新 分配且結果為維持Q〇S及實體資源的高利用及有效使用之 能力被限制。 第5A及5B圖為該hs-DSCH 16的較佳HS-DSCH發訊之說 明。在第5A圖’藉由偵測伴隨所有服務使用者的ptM服務 ID 51 ’PtM使用者群的每一個UE i2i_12n被告知服務傳 送。該t務1 D 5 1係在該下行共同控制頻道1 3被編碼。在 預先決定時間期間後,使用者接收該經授權服務的HS-DSCH。
在第5B圖/藉由偵測伴隨UEs,UE群ID 1 53i至1^群ID N 53\的/1^> ’每—個UE 12广12\被告知服務傳送,其係編碼 在該下行共同控制頻道1 3。在預先決定時間期間後,使用 者接收由該CCC 13顯示的該HS-DSCH 16以得到具經授權服 務的服務I D之封包。
第11頁 1244349 五、發明說明(8) " 第6圖為建立及傳送在HS-DSCHs上點對多點服務的較 佳訊號的說明。該RAN 70發訊號至每一個使用者以接收該 傳輪7 4的輸送屬性之服務。每一個使用者構形其本身以接 收該傳輸及監看該C C C的P t Μ服務I D群,7 2。傳送用做點對 多點服務的資料藉由UMTS無線電存取網路(UTRAN ) 70自 核心網路接收。在該CCC上的服務/群/ UE ID顯示在訂定 時間期間後,該HS-DSCH傳輸會很快發生在特定HS-DSCH實 體頻道在接收該c C C後’每一個使用者構形其本身以接 收該HS-DSCH傳輸。 每一個使用者可以層3發訊號步驟送出頻道品質資料 給該RAN 70,76。該頻道資料的傳送亦可藉由實體層發訊你 號,以TTI為基準報告,78。使用在每一個ptM使用者群的 所有使用者的該頻道品質資料,該RAN 70決定至每一個 PtM使用者群的HS - DSCH傳輸的合適MCS。為說明用途,該 RAN 70典型上會設定該MCS在由具最差接收品質的使用者 可於所欲QOS接收的一種位準。為最適化無線電資源的使 用’雖然在更新間可使用更長時間範圍,較佳為這些參數 在每個時間傳送間隔(TT I )被更新。 該UTRAN 70同時進行該HS-DSCH分配,82,且每一個 UE 12構形該HS-DSCH接收,84。服務資料在該fjS-DSCH上傳 j 送,86。在該HS-DSCH上傳送的服務資料由該UE 12接收。 鑑定後’該服務資料被向前送至共同通訊頻道,較佳結構 允許在分旱或專屬頻道如PtM或PtP傳輸上轉移共同通訊頻 道資料之彈性。此對映在無線介面的傳輸側及接收側上皆
第12頁 1244349 五、發明說明(9) 執行。 第7圖為在無線電網路控制器1 9及U E 1 2比值下的較佳 頻道對映之說明。PtM資料到達在共同通訊頻道(CTCH ) 的RNC,該CTCH對映在該HS-DSCH上以在該實體頻道(HS -PDSCH )上傳送至使用者。一個ue 1 2於此處被說明且典型 上多重UEs接收該HS-DSCH傳輸。[JE 12接收該HS-PDSCH及 對映該HS-DSCH至該CTCH以由該ue 12處理。
第13頁 1244349 圖式簡單說明 第1圖為點對多點服務的說明。 f 2圖為較佳的HS-DSCH及相關控制頻道的說明。 第3圖為較佳的b節點及用戶設備的簡化圖式。 第4圖為具較佳的HS-DSCH的調度機構之較佳B節點的簡化 圖式。 第5A圖、第5B圖為HS - DSCH的較佳HS-DSCH訊號的說明。 第6圖為建立及傳輸在HS —dsch上點對多點服務的較佳訊號 之說明。 ~ 第7圖為藉由無線電網路控制器及用戶設備執行的在HS-DSCH上點對多點服務的頻道對映之說明。 元件符號說明 12 用戶設備 22 無線射頻介面 24 CCC產生器 26 HS-DSCH產生器 28 MCS選擇裝置 30 頻道品質測量處理器 31 ARQ接收器 36 CCC接收器 38 HS-DSCH接收器 39 上行控制頻道傳送器 40 頻道品質測量裝置 〇
第14頁 1244349 圖式簡單說明 41 ARQ傳送器 46 調度機構 48 發訊號裝置 53! ,53n UE群 72 構形服務傳輸的UE及監看服務ID的CCC 74 至使用者的訊號輸送屬性 76 ,78 頻道品質訊息 80 決定HS-DSCH 的MCS 82 同時進行HS-DSCH分配 84 構形 HS-DSCH 86 在HS — DSCH傳送月艮務資料 88 接收在HS-DSCH的服務資料及向前送至共同通訊 頻道 i
第15頁

Claims (1)

1244349 六、申請專利範圍 1· 一種在無線通訊系統傳輪服務資 括· 、叶的方法,該方法包 傳輸一第一服務辨識碼以由在該 用者接收,該組使用者不包括^ ^先中之一胞元的一組使 由該組使用者的每一個接收該服^疋的所有使用者; 由該組使用者的每一個監測在“辨璣碼; DSCH )傳送的一第二服務辨識竭$速下行分享頻道(一 在該HS-DSCH傳送具該第二服務辨 該組使用者的每一個谓測該 鐵瑪的該服務資料;及 DSCH的服務資料。、、以—服務辨識碼及接收該HS- 2 ·根據申請專利範圍第工項 傳送至複數個使用者族群,\方^\其中該服務資料係被 制頻道被傳送一不同的第一 疒群經由一下仃共同控 ..^ ^ 的第一組辨識碼及一單一的服務辨識 碼被做為該第二服務辨識碼。 1244349 六、申請專利範圍 一種下行共同控制頻 、 ^、 一共同控制頻道訊號; 座生具服務辨識碼的 以 傳送該HS-DSCH傳輪訊號及該下行共同 一種天線陣列 控制頻道。 5· —種β節點,其包括: 一種輸入,其被構形以 (PtM)資料; 接收-占對點(PtP)及點對多點 一種调度機構,以接收該已接收 而做為PtP及PtM傳輸,#ptM值終/枓及调度該傳輸資料 ^ m 孩P t Μ傳輸係缚a _錄古、*八_ ❿ 道而同時傳輸資料至多重使用者;及由種间速刀早頻 種發訊裝置,以潑^L七 R ^ Λ ^ , Λ '訊該貝枓排程至使用者。 •根據申叫專利範圍第5項的Β節點,盆 資料延遲及贫Ρ垃故次_L丨 八甲該调度係基於一 貝丁叶、遊夂箴已接收貝料的資料產 7 ·根據申請專利範圍第5 ^ # B ^ 輸時間間隔基準上執行的即點,其中該調度係、在一傳 8 ·根據申凊專利範圍第5項的β節點, PtP及PtM傳輸的一穩健性。 t該調度係基於該 9 ·根據申凊專利範園第5項的b銘赴 甘+ 蕲德扒々吻由 > 立#即點,其中該PtM資料的重 新傳輸之调度係基於意欲接收該Pt 已接㈣$ m η μ。 的戶斤有使用者的 :括-種在一無線通訊系統傳輸服務資料的方法,該方法 接收一共同通訊頻道之資料以在無線介面上 對映該共同通訊頻道一分享頻道; 、,
第丨7頁 1244349 六、申請專利範圍 經由該無線介面在該分享頻道上傳送該共同通訊頻道資 料; 在經由該無線介面於該分享頻道中之傳送後,接收該共同 通訊頻道資料; 向前傳送該已接收之分享頻道資料至一共同通訊頻道。 1 1.根據申請專利範圍第1 0項的方法,其中該對映包括對 映該共同通訊頻道至一分享傳輸頻道。 1 2.根據申請專利範圍第1 0項的方法,其更包括選擇一共 同頻道或一分享頻道以對映該共同通訊頻道至其上。 1 3.根據申請專利範圍第1 0項的方法,其更包括選擇一共 同頻道、一分享頻道或一專屬頻道以對映該共同通訊頻道 於其上。 1 4.根據申請專利範圍第1 0項的方法,其中該無線通訊系 統為一 3 G P P通訊系統。 1 5.根據申請專利範圍第1 0項的方法,其中該分享頻道為 一種高速下行分享頻道。 I
第18頁
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