TW200950543A - User equipment having improved power savings during full and partial DTX modes of operation - Google Patents

User equipment having improved power savings during full and partial DTX modes of operation Download PDF

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Publication number
TW200950543A
TW200950543A TW098102141A TW98102141A TW200950543A TW 200950543 A TW200950543 A TW 200950543A TW 098102141 A TW098102141 A TW 098102141A TW 98102141 A TW98102141 A TW 98102141A TW 200950543 A TW200950543 A TW 200950543A
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Taiwan
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time
transmission
time slot
received
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TW098102141A
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Stephen E Terry
Robert A Difazio
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Interdigital Tech Corp
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Publication of TW200950543A publication Critical patent/TW200950543A/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0238—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is an unwanted signal, e.g. interference or idle signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/44—TPC being performed in particular situations in connection with interruption of transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Telephone Function (AREA)
  • Transceivers (AREA)

Description

200950543 六、發明說明： 【發明所屬之技術領域】 本發明係關於無線通信領域。明確地說，本發明将 完全及部分非連續傳輸(DTX)操作模式時，讓高碼片農 率分時全雙工(TDD)型系統達到省電的功能。 干久低碼片 【先前技術】 對第三代行動通訊夥伴合作計晝(3Gpp)分時全 Ο
時’割成可細分為數個訊框的傳 (ττι)，其可再進一步細分為數個時間槽。TTI 多個無線電訊框。明確地說，一個無線電訊框為; 一^ TT^則、可能是10、20、40或80ms。低碼片率的TDD各將备個 ϊ框i割!兩個子訊框。該些子訊框則可再分割成數個時； 槽。編碼合成傳輸頻道(CCTrCH)包括一個 ⑽H)。⑽仰可映對至-群—似上的時&道 當欲傳輸CCTrCH最大的資料時，在TTI中會借 ίί ϊίΐϊί，。於TTI中所傳輸的實際編碼及時 同樣也會知道每個時間槽中所傳輸的編碼。 後” S^^JcCTrcS Ϊί ^ TTI ^ f ^ 能會將資料映對至編碼及時間槽中。之中的編碼及夕工功 ♦认輸係分別運用於每個CCTrCH之中。· crrrrw cciSi 。在部份非連續傳輸期間， 載有資料，而曰，不過只有不及最大數量的編碼及時間槽 傳輸。在完八韭部分的編碼及時間槽不會在該ττι中進行 在μ非相傳輸期_不會有㈣料上方協定^ 200950543 供至CCTrCH，而且在該TTI中完全不會傳輸任何資料。 在非非連續傳輸操作及部份非連續傳輸期間，每個訊框中 分配給CCTrCH的第一時間槽都含有至少一個編馬，以便傳輪 該TFCI。因為傳輸器及接收器都熟知用以判斷哪個編碼含該 貝定可確實地掌握應該於何處發現ϊ TFCI。4 CCTrCH可ι於相同的時間槽内具有額外傳輸的編 碼，於相同訊框的後續時間槽内具有額外傳輸的編碼，甚至於 ΐ Τ。訊框的後續時間槽内具有額外傳輸的編碼。於i 中一，TTI中所傳輸的編碼及時間槽可能會與下一個 不 過，母個訊框中分配給CCTrCH的第一時間槽一 ^ ◎
ΤτΓΓτ；〇Η ° CCTrCH ci τίΗ ί t =傳輸的編碼可能會在等於該
t所謂的TTI所指的都是該CCTrCH的所# Τγ(5η變中& J 兩個訊框）。在該TTI的兩個訊框之中，CCT = 的編碼；不過，由於部分非遠蟢禮係刀配到相同 未被傳輸的編碼。在兩個訊ί ❹ S。應該ίί的是其便Λ知輸的編碼及時間 視情況於-特殊CCTH多1因此其亦可 CCTrCH❺全料_巾進^；^賴巾進讀$，或是於該
㈣提％ 碑是I 4 200950543 【發明内容】 本艺明可藉由關閉全部或部分因為完全或部分非連 %傳輪的編碼及時間槽基頻處理，而達到省電的目的。4 益为j連續傳輸而言，可從已經接收到的TFCI決定出 : 及該CCTrCH之中最短的丁TI内的無線電= 會於由已經接收到的TFCI所指示的該CCTrCH之中备 内ί使科間槽的時候關_接收11。就完全非連Ϊ iff』’在接收到TFCI之後便會於該CCTrCH之中ΪίΪ ΤΤΙ内的所有時間槽期間都關閉該接收器。 敢紐的 ❹ 【實施方式】 同s tfc/lh電訊框。隨後，便會於為了τΉ由已經接收到的 之槽後期=二忠
TrCH之門畏l^V^CTrCH範例。程序10係從於CCTrCH中的 會有重藉的τττη t» 01跨越多個訊框的話，每個訊框中便都 ίίί$ίϋ°Λ此在圖1中，第二及第四訊框中的TFCI 13)是否要傳^二訊框中的TFCI。接著便會判斷(步驟 最ί的ίτί及時，。如果該㈣表示要傳輸 便會重複該t 態:的開始處 的編碼及時間3並f f傳輸該ττι之内所有 的時間槽及訊會献出不會在該τη _進行傳輸 (v驟14)。熟習本技藝的人士將會非常瞭解， 5 200950543 TFCI^p表示會在該TTI期間進行傳輸的通道（時 碼）。藉此便可決定出該ΤΤΙ期間需要哪些及編以及編 接收ί _槽及_的時候關_ ϊϊί Ϊ槽ίί=ί接ίίίΐΐίί應於尚未被傳輸的編碼^ 於i理已經傳輸的編；i時F:槽碼蓺 會，’程序1〇具有幾項非常重要的1點熟ϋ技S;ii; 決疋不會傳輸的編碼及時間槽便不會加以處‘ 接收器必須呈現作動狀態的時間： 件需求。如此便可大齡提·降低功率條 應該注意的係，一個UE可能一次必須接此一徊卜沾 的非賴傳輸耗單獨地進行控制，因 此Υ靶必須維持在特定的接收器處理程序中，以 所/刀配之時間槽的其它CCTrcH的資料。在 會儘可能地關處理程序，以便於能 ^ ccirCH t 因為在部分非連續傳輸期間便能夠節省大， ΪΪίΚ設於完全非連續傳輸期間實施本發明的話將可獲得
序30參的巧/於完全麵續顧時進行省電的程 之門喿的ττ中，程序30係藉由於該CCTrCH中的TrCH
Sci ^ TFCI ° ^ 〇 € 丁FCI並未表示SB 巧非么續傳輸的起點。如果該 且會在下Ιτττ )，便會處理該TTI(步驟34)，而
的爷，那麻# 始處重複該程序。如果該TFCI表示一 SB =該便是處於完全非連續傳輸狀態中並且會 的第二分配“ H5)。該接^器會保持關閉狀態直到下個ΤΤΙ 的第〃配時間槽為止，此時該接收器便會開啟(步驟36)而且 200950543 驟37)。如果接收到合法的TFCI的話(步驟 回步驟33。如果並未接收到合法的 土 ί ί产在其餘的TTI中皆呈關閉狀態巧
二ϋ 所才曰的疋對應於針對該CCTrCH配置的TFC或SB 電的iitH的係用錄部份或完全非_傳輸時進行省 ί ϊΐϋϋ步驟132中’程序130係藉由於該 TF^ 豆的ΤΉ開始位置處讀取TFCI開始。如果該 響f 否要傳輪所;ί話ί步驟133)，接著便會判斷(步驟139)是 ^及f隨。如果該TFCI表:^要傳輸最短的 全或部til:狀%間槽/日，匡”話’該接收器便不處於完 便會在該ττι姻不使用該時間槽及訊 應;(步驟141)。如果接收器接收到或處理到對 i編i；5的編碼及時間槽的資料的話，便可終止處理該 g集：時3槽，或是僅限於處理已經傳輸的編碼及時間槽的 CCTriH^表示一特殊叢訊的話（步驟133) ’那麼該 (步驟135) 傳輸狀態中並且會關閉該接收器 時間禅态會保持關閉狀態直到下個ττι的第一分配 驟137^如器^會開啟(步驟136)而且會讀取該 序便會Λίϋ，到合法的TFCI的話(步驟138)，該程 該接^合法的TFCI的話，那麼 中，返回H仍然處於完全非連續傳輸狀態 驟135:並且在其餘的ΤΉ中皆呈關閉狀態。 括一 i碼K估戶係^據本f明之系統100。該系統1〇〇包 TFCI解課星70 102、一叢訊品質估算單元1〇4、一快速 關控制單^Π6。雖缺殊巧訊偵測單元110以及一接收器開/ 品質估算單开1n4 中所不的編碼功率估算單元102及叢訊 輕易地將其’不過熟習本技藝的人士亦可 。成早—的前置處理單元106。同樣地，雖然圖中 7 200950543 的快速TFCI解譯單元l〇8及特殊叢訊偵測單元11〇係分離 且合成單，測單元112, _測及 ❹ ，。這亦有助於避免發生偵測時錯法n 元會= 乍c;解的譯編單碼 =ίίίΚίί續時間槽的電路。靜止“間 ❹ 110 ^4^/ά«ΰ；ί 分辨出▲給接存在’並且 續時間槽），其會使用此作動編碼（目前及後 ίϊΐίϊ艺靜f】，槽期間“該接收器時S間=2 全髭2騐)兀;二的：即1Γ6開始進52 /關控制單元116會在116。接收器開 碼、時間槽及無線電訊框期間都關閉該接收器。的所有後面的編 8 200950543
如果該接收器進入非連續傳輸狀態時’其便會在下個ττι 時開，：嘗試讀取一 TFCI。編碼功率估算單元102及叢訊品質 估算單元104會提供一道該信號必須跨越的界限，以宣告已經 接收到信號。如果超過該界限的話，快速TFCI解譯單g 1〇8及 特殊叢訊偵測單元110便會判斷該TFCI是否為合法的數值(即 等於零或是等於與儲存在該使用者設備(UE)之TFC對應的 值）。如果土超過該界限的話，TFCI便不是合法的數值，或TFCI 善的該 ❹ ❹ S :及器開/關控制單元116的作=碼 嘯躺開啟該 ?ct 一其 而提供節省uk 力時:槽期間不處理編=溫= 意味JJM = 兩二固之間分割該TFCI字組。其 本發明，只有在頁經過處理。根據 ,74 是將tfci攔位保^在兩ί體頻道格式的 訊框中對所有的TFCI位元造千5框，但卻是只在第一子 成在第二子訊框中具有該爬棚位⑽的用:另而巧？ 200950543 /前的結構，但是在兩個子 爻，，？接彳文器便能夠藉由 第 配置則是保持百 二上後，收器便能夠5 則是對每個時間槽的單一欄位(不‘ S(^〕MA標準的替代例 【圖式簡單說明】 圖1所示的係一編碼合成傳輸頻道(CCTrCH)示竞圏 程圖圖2所示的係用以於部分非連續傳輸時進行^的程序流 程圖圖3所示的係用以於完全非連續傳輸時進行省電的程序流 圖4所示的係根據本發明之系統方塊圖。 流程Ϊ。5所示的係用以於完全或部分非連續傳輸時進行省電的 【主要元件符號說明】 1:編碼 2、3、4、5:時間槽 100:系統 102:編媽功率估算單元 104:叢訊品質估算單元106:前置處理單元 108:快速TFCI解譯單元110:特殊叢訊偵測單元 112:偵測單元 116:接收器開/關控制單元

Claims (1)

  1. 200950543 七、申請專利範圍： 1. 用以在一使用者設備(UE)中啟動部份接收器處理之裝置，該處 理於一被接收信號之一逐訊框基礎上完成，該裝置包括： 接收帶有一預定傳輸時間間隔(TTI)之一信號，該信號具 有至少一編碼及至少一時間槽； ° 決定該信號是否包含一有效傳輸格式組合指標(TFCi); 決定該預定TTI之傳輸編碼及時間槽； ❿ 關閉針對該預定TTI所未接收的傳輸編碼及時間槽之接 收器處理。 2. 如申請專利範圍第1項所述之方法，其中部份接收器處理被開 啟以進行部分非連續傳輸(DTX)。 3·如申明專利範圍第1項所述之方法，其中部份接收器處理被開 啟以進行完全非連續傳輸(DTX)。 · 4.如申請專利範圍第丨項所述之方法，其中 道上被接收，該頻道包含複數子頻道。 …、又4领 6.=申請專利範圍第4項所述之方法，其中該複數子頻道基於編 崎而分組。 專她圍第4項所述之方法，其中基於時間而將該複數 于頻道進行分組。 8’ 所述之方法，其中基於編碼及時間而將 9. Ϊ二4項所述之方法，其中該關閉接㈣處理發 生於基於最小分_ ΤΤΙ所分組之複數子頻道。 10. 備_，其被配置用於在-逐訊框基礎上處理 —被接收信諕以啟動部份接收器處理，該包含： irm ’其被配置用以接收帶有-就傳輸時間間隔 ()之一#遗’該信號具有至少-編碼及時間槽；及 -處理器，其被配置用叫定該信毅否包含一有效傳 200950543 式組合指標(Tfq)，及一旦成功決定，便進一步決定該 之傳輸編碼及時間槽，該處理器更配置用以關閉針 ’ ^預定ΤΤΙ所未接收的傳輸編碼及時間槽之接收器處理。 11.=申，專利範圍S 1〇項所述之顶，其中該處理器開啟部份 接收器處理以進行部分非連續傳輸(DTX)。 12’ ^申ΐ專利範圍第10項所述之顶，其中該處理器開啟部份 接收器處理以進行完全非連績傳輸(DTX)。 13. 請專利範圍第1G項所述之顶，其中該信號於一無線電 頻道上被接收，該頻道包含複數子頻道。 〇 14. ί申請專利範圍第13項所述之™，其中該複數子頻道基於 編碼而群紐。 备 15·=申3請專職圍第13項所述之UE，其巾該複數子頻道基於 時間而進行分組。 16.如申請專利範圍第13項所述之UE，其中該複數子頻道基於 編碼及時間而進行分組。 Π. ί申請專利範圍® 13項所述之1^，其中該關閉接收器處理 發生於基於最小分組的ΤΤΙ所分組之複數子頻道。 18.如申請專利範圍第10項所述之UE，該UE更包含：
    輯單元，其被配置用以解碼該TFCI、識別關閉編 碼及輸出該處理器之結果；及 、該處理器更配置用以自該結果偵測DTX之起始，且一 當偵測，則關閉不活動的一較晚子訊框之時間槽之接收 19·如申請專利範圍帛18項所述之证，其中該處理器更配置用 以解譯該被接收信號之一編碼功率估算。 20·如申請專利範圍g 18項所述之证，其中該處驾更配置用 以估算該被接收信號之一品質。 21_如申請翻範圍第1G顧述之ue，其巾該處職更配置用 12 200950543 以接收一特定叢訊信號。
    13
TW098102141A 2001-10-19 2002-10-18 User equipment having improved power savings during full and partial DTX modes of operation TW200950543A (en)

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TW091216681U TW562344U (en) 2001-10-19 2002-10-18 Low chip rate time division duplex user equipment having improved power savings during full and partial DTX modes of operation
TW091216680U TW586706U (en) 2001-10-19 2002-10-18 Time division duplex or time division synchronous code division multiple access user equipment having improved power savings during full and partial DTX modes of operation
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