TW200401574A - Synchronization for extending battery life - Google Patents

Synchronization for extending battery life Download PDF

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Publication number
TW200401574A
TW200401574A TW092112255A TW92112255A TW200401574A TW 200401574 A TW200401574 A TW 200401574A TW 092112255 A TW092112255 A TW 092112255A TW 92112255 A TW92112255 A TW 92112255A TW 200401574 A TW200401574 A TW 200401574A
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wtru
data
transmission
wtrus
patent application
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TW092112255A
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TWI258313B (en
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Steven Jeffrey Goldberg
Stephen E Terry
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Interdigital Tech Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0212Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
    • H04W52/0216Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/1607Supply circuits
    • H04B1/1615Switching on; Switching off, e.g. remotely
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/001Synchronization between nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/72Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing 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)
  • Telephonic Communication Services (AREA)
  • Primary Cells (AREA)

Description

200401574 五、發明說明G) 發明領域 本發明係爾於無線道Ifl l域V f 々-一+ ,................. =無線通訊系統内無線裝置發明係 尋找送至::ί :㊁二如無線傳輸/接收單A〈WTRU >愈常 提供用電亦:裝置消耗電力愈多。*不僅 該裝置尋找自網路的;自:5:貝枓傳輪的網路及裝置, 的電話或進來的;該裝置是否尋找進來 關於用電話的is蛘士 士 :在特定電話號瑪被撥號;網路’其 5在無線環境的此期望 :12即被聽到。為符 小化當認知一個人發出 ’、須*常掃瞄網路以最 咖必須常常掃的延遲’亦即,該 运出-個呼叫訊號或訊息及去接: T R T 以最小化當網路 叫訊號間的時間。 田妾收WTRU貫際上檢查到該呼 此種裝置非常合適用於用 =為效率差的。關於資料傳輸;二對資料 呼叫所必須的嚴格要炎五f拘*保成手即時回應於 :機及類似裝置的WTRUS時二的。當傳輪資料至如傳 !。然而,-般希望此種裝置2 ;是被容忍 傳輪的訊息,所以,告處=一 ρ π回應顯不有撥入資料 該網路亦必須被相當;繁3傳輸時’纟某些情況下, 網路必須被掃晦的頻率i πI=,但即使在此種情況下, 领羊夕於當處理用電話的通話方式時。 200401574
好而異 氣象資 合理的 呼訊息 運動分 以使它 命且僅 例為希 供應的 希望有 訊息, 電話的 因 及用電 摘要 按受的延 ,例如, 料〉,較 回應時間 的方式被 數等〉的 們具較長 希望資料 望快速信 人。在如 立即變化 回應時間 所需回應 此,希望 话的通話 遲量依據 當資料被 長的延遲 應以使用 評估。在 情況下, 的電池壽 快速被更 息更新的 股票報價 通知的人 應相當快 時間。 被傳輸 非頻繁 可被容 者所預 多重網 一些使 命,其 新。希 人及他 的情況 ,如此 速,但 的資料形式及使用者的喜 =吏新時,〈树如交通或 忍。在傳ϋ乎機的情況下, 期的時間延遲以回應經傳 路傳輪〈例如股票報價、 用者希望資料偶爾被更新 他使用者較不在意電池壽 望常常更新的使用者之實 們的WTRU連接至外部電力 下,如有偶爾觀看者,及 ’若使用者希望快速回應 仍遠大於WTRU知曉有撥入 具一種方法及系統以有效地支援資料傳輪 方式。 。種無線網路允許WTRUs可根據同步機制以停頓操作 ^ ^操作,同步信息被提供至該訂帅^以通知它們何時它 」可為彳τ頓模式及何時它們必須喚醒及回復資料。 交^具體實施例詳細敘述 元根據本發明,同步信息被提供至該無線傳輸/接收單 =jWTRUs〉以通知它們何時它們可為停頓模式〈亦即何 ^匕們可為睡眠狀態〉及何時它們必須喚醒及回復資料。 ”-、敘述本發明目的,—種WTRU可具僅傳輸、僅接收、或傳
第6頁 200401574
五、發明說明(3) 輸及接收能力’亦即’一種WTRU可為能在無線環琦接收 及/或傳輸資—料的任荷1T式—ΏΓ。 ----------------------------------------- - 一 - 現在參照第1圖,一種網路的代表被表示,其中一哎 更多基地台2 1與複數個WTRUs通訊,例如被提及的打5 2 2,當敘述本發明時 的任何數目的裝置, 呼機、黑莓< TM〉裝 線環境操作的任何其 制器〈RNC > 25控制, 該基地台2 1包括訊號 功能。由基地台21的 〈以天線33、34表示 訊號處理階段3 8,一 接收由基地台2 1傳輪 階段32及37皆具傳輸 輸資料及在下行接收 的能量,停頓操作的 收器功能為顯著的。 。如斛样,W1RU 22可為由網路支援 實例包括用戶設備〈UE > 、手機、傳 置、具數據機連接的電腦或能夠在無 他衣置。該基地台2 1由無線電網路控 其執行各種網路監督及通訊功能。
處理電路31及RF階段32,其包括傳輸 Λ號被傳輸至在其胞元或傳輸區域 〉内的WTRUs。WTRU 22具RF階段37及 種接收功能由W T R U的R F階段3 7提供以 的訊號。在雙路徑裝置的情況下,RF 及接收功能,允許WTRU 22在上行傳 資料。雖然傳輸需要較接收顯著為大 課題主要影響下行,故WTRU 22的接 根據本發明,當r F p q 7
^ , WTRII 99 ^ ^ 心^37正在接收來自基地台21的 观,W i K U 2 2使用J:却雜忐咖A…
σ遗處理電路3 8以控制,此允件WTR 22的接收功能的操作主 制此允WR 特宗WTRI丨"认次u 要在s §fl號被預期要包括意欲用 乂TRU 22的資料之期間為活動 不欲用於特定WTRU 22的資料夕„ 乂二田汛^ 頓’此表示由WTRU 之日守間期間,WTRU變得停 的大°卩份接收及訊號處理被關斷。
第7頁 200401574 五、發明說明(4) 不論資料被自網路傳輸的方式,該WTRU被較 化以使它—可―摄補充及進人夏眠以最大花電范籌Γ Ά 使用者喜好。提供至…!^^的同步化信息根據資料自 路傳达的方式被提供,亦即,不論資料被自網路 式,同步化信息被提供至WTRUs以使它們知道何時W 須被喚醒及何時它們可進入睡眠。 必 如熟知本技藝者已知,資料可以各種方式 α 路提供至mus,在—個具體實施例中, ^自罔 = ;播在此情況下,網路以已知機制= 形式的廣插或群播資料,此機制被緊密地同 WTM及接收WTRU〈〇已知的時框。該WTRUs可接^ = ^ 它們的喚醒以尋找何時資料可被或將被傳同= 第三代蜂巢式網路進行此具體實施例,機制信=由:: 控制頻逼j如廣播共用控制頻道〈BCCH〉〉發訊: 屬控制頻迢〈DCCH〉發訊號而被提供。在BCCH == 用的情況,機制〈亦即,同步化〉信息 === 播服務發訊號。若DCCH發訊號被使用 辟 WTRU服務之機制會被發訊號。 疋關於接攻 在另一具體實施例中,資料可以多網 傳輸,亦即,如所述,一些使 :輸的方式被 以有利於較長的電池壽命:缺僅偶爾被更新 地被更新而較不在意電池壽命。戶斤 速 中,資料以符合使用者更新頻率 上二^貝轭例 被傳輸〈即使沒有任何資料變夢::二:好之速度 夂丨精宙Μ同步化的速度
200401574 .........- I .. 五、發明說明(5) 快速地傳送資料〈亦即以 及重覆讀傳輸鄭— —# - -1-π wms可根據使用^^ «花時,舊Λ f —— 料,藉由提供可調整嘹定冋%間間隔喚醒及搜尋資 二者之間〉的需求。 祆度,此滿足兩組使用者〈及在 因可接受延遲量依摅 及電力消耗間的任何使用者應用而變化,在延遲 能的,所以,延遲〈亦、同使用者具不同最適值為可 化,因低延遲遲時間〉可基於用途被最適 間糊:此變得Πί;:;:當画未於主動使用時 WTRU知曉經機:此具體實施例,-旦接收 ”〈咖〉或下行分享頻道 網路會於無線連制廣播或群播傳輸〉。 ^要;= : = 接收是否為獨立被需求的而 /夕舌袖/ 戈引起要在網路上被認知的誤差。 在夕重 '.周路傳輸被提供的本具體實施例的改 網路的範圍確認接收有某此 义為僅直到在 以ί = ί:!可結束傳輸並亦提供-些r —neSS至 W T R:的 1 = 在第=代蜂巢之缺點及可能不合適大量_TRUs。關於 ί;1;ί罔路:實施,有複數個網路確認替代方 胃有早—接收WTRU’無線連結控制確認模式提 第9頁 200401574 五、發明說明(6) 供確保傳輸的自動回覆 mus,層3確認可由在存m當有複數個接收 是由非存取層發訊號的透二22資源控制發訊號或 在另:具體實施例t,網:』==被提供。 亦即,而非一直傳送訊声、, &寺待傳輸的訊息, WTRUS有要給它們的訊息u存在。^二例^子、,更有效為僅通知 的可提供性由共用控制 二代蜂巢式網路訊息 的這些_而後要求匕專T〉辨識,希望訊息 特別訊息或群播服務的#,矾息的要求可為 訊息,當僅少™務广或更多 f希望進行此工作的實際數 的。此情況可能發生,例如 此方法疋合適 始傳輸中僅有限信息的情 s的訊息存在之初 接收議會以層存取存;層弟==,,該 =求,而後網路發訊號廣播機制: 承载以進行服務傳輪。亦即,知道具要求訊3屬 T :WTRUs的數目之網路決定傳輸的最有效方法5 ,若有; =接受者’信息的機制會在共用控制頻道 共,如職或關,及服務接收的傳輸日广 3右為少里的WTRUs要求訊息或服務,專屬頻道會被建 立至每一個伴隨此訊息或服務的要求或登錄的WTRU。 現在參考第2圖,包括由基地台至多個訂〇3所傳輸的傳輸 序列之訊框圖被示出。如所提及,當伴隨此訊息或服務的 特疋WTRU或一組WTRUs為喚醒的並尋求資料時,傳輸的遞
第10頁 200401574 五、發明說明(7) 送被同步化以使導引至伴隨此訊息或服務的特定WTRU或一 組WTRUs的1Γ息被—遞—送,為完成此,—f 一I具—磨實施例——— 中,該傳輸被區分為框架54,其中七十二(72)個框架54 構成一個超級訊框,如第2圖所示。為簡化敘述本發明, 兩個超級訊框5 1、5 2的部份被示出。然而,應注意超級訊 框5 1、5 2為超級訊框重覆系列的一部份,亦應注意具7 2個 框架的超級訊框被提供僅做為實例,因其他多重訊框序列 為可能的。 框架5 4被區分為時槽5 6,如框架71的擴充視圓7 1 E所 示。在每一個框架(例如框架71 )的時槽56包括被指定為 如零(0 )至(1 4 )的傳輸封包,每一個時槽56可包括意
欲用於一或更多裝置的資料,做為實例,槽6包括WTRU 101的資料及槽12包括WTRUs 102及1 03的資料。 W^RUs 1 〇 1至1 〇 3較佳為同步化它們的接收以使它們能夠在 匕們個別的放置時間間隔接收資料。資料接收的固定時間 =間之使用表示—iWTRU被提供其同步化訊息(亦即關於
$ =二,該WTRU的訊號之特定時間順序的訊息),該WTRU (/、g f份超級訊框以此時間順序同步化及維持睡眠狀態 '、即頓)。此產生減少的電力消因為在睡眠 WTRU 具大 # 4·、。 使大$ = #,或所有抑接收電路為關斷的。該WTRU較佳為 3份其訊號處理電路亦被關斷。在此具體實施例中, ^ Γ耗的減少約略對應於被忽略的框架數目。 si往被同步化,WTRUS 1〇1至103僅在其個別時槽被喚 疋插入期間(已知為傳輸時間間隔(TTI ))的
200401574 五、發明說明(8) 無線訊框及多重訊框。由網路的眼光,# 一 ili > .......fe - --ic -τη-.一mTTTr….....ν.ντ-1------------------ 母個超級訊 在得輪_貝料至1TFU 1 (Π,網路會·、复〜s-3=-职-—一 β。 曰寺待框架7 1、時槽 1注意若需要時,WTRUs可於其他時間喚醒 了匕們:經指定槽)’例如,可能因某些共同訊號喚醒' 路^蚣可被採用以使特殊"喚醒”訊號被自網 至特定WTRU或一組WTRUs,於此WTRU (s)必須被喚 醒及在它們的指定槽外接收資料。 、、 應〉主意使傳輸成為超級訊框、框架、及槽的區 所欲變化。例如,在上文的討論,假設fTRU在至少每一個 =級訊框喚醒及在至少一個框架的至少一個槽尋找資料。 然而’如所述,資料傳輸可依所欲提供給使用者以滿足使 用者對電池壽命及資料更新頻率的喜好。所以,特殊同步 ,機構的時序可類似地被變化。做為實例,其可能產生$ 網路資料遞送及其WTRU的接收,其中在WTRU喚醒期間,超 過—個超級訊框通過,在此期間WTRU唤醒及在其指〜 ^ 及槽尋找訊息。 /、s疋杇朱 其他在 可明顯 雖然本發明以較佳具體實施例的方式被敘述, 如下文申請專利範圍所列出的變化為熟知本技藝者 看出。
200401574
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Claims (1)

  1. 200401574 六、申請專利範圍 '~' 1. 種同步化在無線通訊網路及在其内的w τ R U s操作間的 資料傳輸之方法,該方法包括: 建立提供於框架的資料同步化機制,其中每一個框架包括 複數個時槽’而至少一個框架包括意欲用於至少—個在無 線通訊網路内的訂㈣操作之資料,該同步化機制為每—^ 框架辨識那一個時槽包括意欲用於那一個WTRUs的資料; 在該時槽被辨識為包括意欲用於該WTRU的資料期間活化該 WTRU以接收資料;及 在該時槽未被辨識為包括意欲用於該WTRU的資料期間將兮 WTM置於停頓狀態。 以 2. 根據申請專利範圍第1項的方法,其中每一個時槽包括 极數個W T R U s的資料。 3. 根據申請專利範圍第1項的方法,其中該框架被組合為 一系列框架且每—個WTRU被指定在一系列框架内的—個 槽。 4 ·根據申請專利範圍第1項的方法,其中該框架被組合為 一系列框架且每—個WTRU被指定在一系列框架内的複數個 時槽。 5. 根據申請專利範圍第1項的方法,其中每一個框架包括 1 5個時槽。 6. 根據申請專利範圍第4項的方法,其中在每一個框架系 列’一個時槽被指定至WTRU。 7. 一種同步化在無線通訊網路及在其内的WTRUs操作間的 資料傳輸之方法’該方法包括:
    第14頁 200401574 六、申請專利範圍 根據一傳送WTRU及一接%猶! 當,藉由在一廣播共用控制頻^制傳送資料;及 以哥找資料時,同步化之。 、提供機制信息喚醒 8·根據申請專利範圍第7項的方法,甘 槽被辨識為包括意欲用於該訂Ru ς進—步包括在該時 收貧料之步驟。 科期間活化WTRU以接 9·根據申請專利範圍第7項的方法,甘 槽未被辨識為包括意欲用於咳::進一步包括在該時 於停頓狀態之步驟。 、X 的貝料期間將該WTRU置 10. 一種同步化在無線通訊網路 =資料傳輸之方法,該方法包括.在,、内的WTRUs操作間 ;二=重網路傳輸的機制二觸; 之;及 基於該傳輸機制而接收傳輸時,同步化 於前向存取頻道傳輸多重傳輸。 11. 根據申請專利範圍第 在一下行分享頻道傳輪。 〕方法/、中该夕重傳輸係 12. 根據申請專利範圍第1〇項的方本甘士 送確認傳輪的接收之員1方法,其中一旦該打肋傳 :於-特定WTRU二確树時,該多重傳輸的傳輪被 =資料傳‘之方2 ’’,、、=㊁及在其内的WTRUs操作間 = 的以否存在的顯示被傳輸時的 第15頁 200401574 六、申請專利範圍 當該W T R U喚醒以搜尋資料時,同步化之; 使用層'存'取層1F訊'%—W—ί—ϊ—I—角於該w y·-的…晉-蒋-;及................ 建立一專屬無線承載以進行所欲資料的傳輸。 14. 根據申請專利範圍第1 3項的方法,其中該意欲用於該 WTRU的資料使用非存取層發訊號被要求。
    第16頁
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