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TW200818937A - Wireless communication method and apparatus for transferring buffered enhanced uplink data from a mobile station to a node-B - Google Patents

Wireless communication method and apparatus for transferring buffered enhanced uplink data from a mobile station to a node-B Download PDF

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Publication number
TW200818937A
TW200818937A TW096142751A TW96142751A TW200818937A TW 200818937 A TW200818937 A TW 200818937A TW 096142751 A TW096142751 A TW 096142751A TW 96142751 A TW96142751 A TW 96142751A TW 200818937 A TW200818937 A TW 200818937A
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Taiwan
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transmission
data
node
scheduling
information
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TW096142751A
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English (en)
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TWI350088B (en
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Guo-Dong Zhang
Stephen E Terry
Stephen G Dick
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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
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/52—Allocation or scheduling criteria for wireless resources based on load
    • 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
    • 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
    • H04W72/231—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 layers above the physical layer, e.g. RRC or MAC-CE signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/563—Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • 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
    • H04W28/10—Flow control between communication endpoints
    • H04W28/14—Flow control between communication endpoints using intermediate storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Telephonic Communication Services (AREA)

Description

200818937 九、發明說明： 【發明所屬之技術領域】 本發明係有關包含無線傳送/接收單元(WTRU)&B節點之無 線通信系統。更_是，本剌財關提供無線傳送/接收單址 鏈(UL)訊務資訊至B節點來排程加強上鏈(EU)傳輸。 【先前技術】 如为頻雙工(FDD)系統之無線通信系統中，加強上鏈涵蓋，產 出及傳輸延遲目前倾檢視料三代料賴(3Gpp)之發表6购 中，除了排程及分配無線網路控制器(職)中之上鏈實體頻道之 =卜:β節點(也就是基地台控制器)係被用來與複數無線傳送/接收 2通彳5來做更有效決定，且g卩使無翻路控繼縣對系統之 王礼制’上鏈無線貧源在短期上仍較無線網路控制器管理的更 好=似方法已被用於分頻雙工模式及分時雙工(TDD)模式之通用 ==統陳s)中之输她存取卿pa)之發表 為1使6節點做更有效分配決定及優先化於不同資料流之 、、節j而知逞被缓衝於無線傳送/接收單元中用於個別資料頻 =上鏈倾及其蝴優先性。然而傳統上鏈信號發送方法具有 制’目此不能容、辣自鱗傳送/接收單元 測(TVM)資訊報告。 力里里 【發明内容】 200818937 信系統，無線傳送/接收單 被產生及儲存於無線傳送/魏積㈣路(IQ。加強上鏈資料係 元傳送起始加強上鏈資料僂於之緩衝器卜無線傳送/接收單 收單元具有何紅鏈細_指示無線傳送/接 輸要求訊仏含賴上鏈資料傳 求。回應接收該起始加強上鍵 $貝料訊務指標之要 由傳輸加強上鏈資料排程訊息至矣線“/接：ΐ時，B節點係藉 送/接收單元及B節點間之—個或更多收早元來排程無線傳 若該被允許加強上鏈資料傳輪足^^^料傳輪。 器中之加強上鏈:_ B㈣。=有韻存於緩衝 部分加強上鏈資料及預期傳輪組合或詳二 傳送- B節點。 “平、、、田汛務測資訊至 被用來轉移被儲存於無線傳送/接收 =斗之程序，係視該加強上鍵__^=強上 疋。起始加強上鍵資料傳輪要求訊息僅於被 建門植而 Ϊ過被建立門檀之後才被傳送至B節點。#被建資料量 k ’無線傳送/接收單元可轉移所有來自無線傳ί/接 ^未被超過 益之加強讀資料至β節點不需排程來自B節點之次==緩衝 立門枚被s免定為零，則無線傳送/接收單元僅來右被建 排程資訊之後才從盔飧楂…m i/rw — 、接收來自δ節點之 資料至Β節點 傳运接收早兀之緩衝器該被儲存加強上鏈 加強上鏈資料傳輸要求訊息可被辨識於至少— 欄位或層2媒體存取控制(MAC)標頭中。 9貫體控制 預期傳輪格式組合或資料絲指標可被發紗 、 、5*上鍵專用 6 200818937 實體控制舰叫DPCCH)上之至知 專用實體控綱道上之另—攔位可A :欄財。加強上鏈 ，加強上鏈謝供_送/接收單轉=== B㈣，則該實體控制攔位係為空置或不被包含。^姊之 替代實施例中，加強上鏈資料值 傳輸格式傳輪息可包含具有包含預期 頭。辟取控制標 存取控制攔位。當媒體存取控制標 二=鏈:體 加強上鏈龍可供無線傳送/接收單元轉移至 【實施方式】 此後，此後，，無線傳輸/接收單元，，名詞係包括但不受限於使用 者设備(UE) ’行動站，固定戍扞動頊泠留— 、 及仃動用戶早兀，呼叫器或任何可操 乍於”、、線王衣境中之任何其他類型裝置。 ,、 此後，當被％為”Β節點”名詞者，係包括但不受限於基地台， 位址控制器，存取闕無線魏+之贿其他接介裝置。 本發明可觀-步應紐分時私，錢雙工，分時·同步分 碼多重存取叫SCDMA)，財被應用至通用行動電信系統，分 碼多重存取2000(CDMA2000)及分碼多重存取(CDMA)，但亦可被 設想應用於其他無線系統。 本發明特性可被併入積體電路或被配置於包含複數互連組件 之電路中。 第1圖顯示依據本發明操作之無線通信系統100。系統100 包含给由無線信號115彼此通信之一無線傳送/接收單元105及一 B節點110。無線傳送/接收單元1〇5包含至少一緩衝器12〇。 7 200818937 第2圖為祕無線驗純_ #鄕—加強上鍵 =二=:㈣!料傳輪不足以傳送所有被儲存 ^ 70之缓衝益120中之加強上鏈資料時之信 圖。加&上鏈資料205係被產生於無線傳送/接收單元105 且被儲存於無線傳送/接收單元105之緩衝器120中。當緩衝器⑽ 鏈轉量超過被建立加強上 ^接收早=1G5係經由加強上鏈信號發送頻道傳送触要求訊 二。至b節點n。。當被建立門縣被超過時，被無線傳送/接 收早兀1〇5傳送之加強上鏈資料傳輪係不需被排程。 匕西起始要求訊息、210可包含一預期傳輸格式組合或一資料訊務 ，標。若加紅鏈控㈣道之受限_容量不能容納翻傳輸^ 式為之錢發送，則無線傳送/接收單元105可傳送訊息至6節 點no，指示無線傳送/接收單元105具有加強上鍵資料經由加強 、鏈匕制頻道傳送至B節點則。預期傳輸格式組合可為可能上 鏈傳輸格式(或傳輸格式組合)之預組表列指標。 么一仍然麥考第2圖，接收起始要求訊息21〇時，B節點u〇係 =由第一加強上鏈排程訊息215排程無線傳送/接收單元1〇5及β 即點110間之-個或更多加強上鏈資料傳輸。回應接收第一加強 上鏈排程訊息215時，無線傳送/接收單元1〇5係傳送被第一加強 士鏈排程訊息215允許之一個或更多加強上鏈資料傳輸22〇至β 即點no。若被第一加強上鏈排程訊息215允許之加強上鏈資料傳 ，不足以傳送所有被緩衝於無線傳送/接收單元1〇5中之加強上鏈 資料，則無線傳送/接收單元105傳送包含預期傳輸格式組合資訊 之加5¾上鏈資料傳輸220至Β節點no。被包含於訊息21()及mo 中之預期傳輸格式組合資訊可與加強上鏈資料傳輸22〇 一起被發 8 200818937 控侧域舰存取控繼頭巾。翻傳輸袼式 Λ 為預輯輸格式、组合表列。預期傳輸格式組 3係被Β即點11G用來歧及產生接續排程訊息心。 可替代是，由於翻倾格式组合資訊，詳細訊務量量 ^ΓίίΓ加社鏈龍雜22G。詳細訊㈣可指示可 射至加強上鏈專用頻道卿DCH)之優先等級相關之個 別訊細頻道)相關之被緩衝資料量。B節點11〇可經 浦傳輸220使用預期傳輸格式組合或詳細 ^ 後獲得額外加強上鏈龍時，無線傳送/接收單元 更新預期傳輸格式組合或詳細訊務量量測資訊至 225H ΛΒ即點110接著經由接續加強上鏈資料排程訊息 ::赠傳送/接收單元1〇5排程加強上鏈資料傳輸至Β 2圖為用於無線通信系統1〇〇當被第一加強上鏈資料排程 訊:財之-個或更多加強上鏈資料傳輸足以傳送所有被儲存於 热線傳达/接收單元105之緩衝器12〇中 ， ;=圖。加強上鍵麵撕係被產生於無線傳送 中夕Γ!無線傳达，接收早疋105之緩衝器120中。當緩衝器120 麵社加社鏈倾__，無線 自，收早70 105係經由加強上鏈信號發送頻道傳送起始要求訊 心310至Β節點110。起始要求訊息31〇可包含一預 或1料訊務指標。若加強上鏈控制頻道之受限酬載二量‘ 號發送’則無線傳送/接收單元105 了傳视&至Β節點m，指示無線傳送/接收單元⑽具有加強 9 200818937 上鏈資料經由加強上鏈控制頻道傳 a 式組㈣概犠 田被建立加h上鏈讀__未 收車元⑽傳送之加強上物傳輪係職B二'=/接 仍然茶考弟3圖，接收起始要求訊息310時，b節點則 ^口強上鏈排程訊息315排程無線傳送/接收單元】〇5及β節點 Π0間之-個或更多加強上鍵資料傳輸。回應接收 ^ =時^輪收單元1G5係傳送被加強上鏈排程訊= ^之-们或更夕加強上鏈資料傳輸320至B節點n 強上鏈排程訊息315允許之加強上鏈資 ft 衝於無線傳送/接收單元105中之加強上鏈資料所^被= 12G中之加強上鍵資料』= 〜即點110:此例中，指示預期傳輸格式組合或詳細訊務量量 肩貝π之上鏈仏號發运貢訊係不被包含或相關訊息攔位保持空 置’指不無線傳送/接收單S105不需進一步排程分配。 、第4圖顯示依據本發曰月一實施例被用來經由加強上鍵頻道要 求加強上鏈資料排程資訊之框結構4〇〇。框結構4〇〇可被併入先前 被說明於第2圖之起始要求訊息21()及潛在地加強上鏈資料傳輪 _框、、4 400包含-”被要求傳輸格式組合㈣/加社鍵資料 才曰不攔位4〇5及-”其他加強上鏈相關訊息”棚位_。被要求傳 幸刖格^組合育訊/加強上鏈資料指示欄位4〇5係被發送於加強上鍵 專用實體控獅道上之至少—實體控制攔位中。空置被要求傳輸 格式組合加強上鏈勤4指示欄位彻係指示並無多餘被緩衝 加強上鏈育料供無線傳送/接收單元1〇5傳送至B節點，因此 200818937 不而B節點110進一步排程分配。加強上鏈專用實體控制頻道可 為編碼或以加強上鏈專用頻道及/或高速專用實體控制頻道 (HS_DPCCH)進行時間多工。 第5圖頒不依據本發明另-實施例被用來指示預期傳輸格式 組合或詳細訊務量量測資訊之舰存取控定f料單元格式 ，。媒體存取控制協抒料單元料可被併入先前被說明於 第2圖之加強上鏈資料傳輸22〇及潛在地起始要求訊息2ι〇。 媒體存取控制協定資料單元格式5〇〇峰一”被要求傳輸格式 組合育訊/詳細訊務量量測資訊攔位，，5〇5，一或更多”其他加強上 鏈媒體存軸侧麵位，，M()。被要求傳輸赋組合銳/詳細訊 ^量測資訊觀505係被發送於加強上謝專輸之媒體存取控制 標頭内。空置被要求傳輸格式組合詳細訊務量制資訊棚位 505係私示並無多餘被緩衝加強上鏈資料供無線傳送/接收單元 105傳迗至3節點no，因此不需b節點11〇進一步排程分配。 ^ 6圖顯示依據本發明包含從無線傳送/接收單元轉移使 用^貧料至B節點no之方法步驟處理6〇〇流程圖。步驟6〇5中， =強上鏈貪料係被產生及被儲存於無線傳送/接收單元105之緩衝 Γ120中。選擇性步驟610巾，係決定被儲存於無線傳送/接收單 :忉5之缓衝器12〇中之加強上鏈資料量是否超過被建立門檻。 當無線傳送/接收單元1〇5之缓衝器]2〇中之加強上鏈資料量^超 過被建立門㈣，加強上鏈傳輸係被允許不需Β節點排程，而所 ^被=存加強上鏈資料均被傳送至Β節點11〇(步驟63〇)。若被儲 子加強上鏈資料量超過被建立門檻時，無線傳送/接收單元1〇5係 傳运包含預期傳輸格式組合資訊或僅訊務指標(也 B I,,, Π0 , 11 200818937 接收單元105具有加強上鏈資料傳送至b節點。 應注意被建立加強上鏈資料緩衝門檻可被設定為零。此例 無線傳送/接收單元1〇5之緩衝器、⑽中之任何加強上鍵資料 1之儲存一直會觸發起始要求訊息21〇之傳輸。 仍然茶考第6圖，步驟62G中，B節點iig傳送_個或更多 被允許^強上鏈資料傳輸資訊之加社鏈㈣排魏息至無^ 迗/接收單元1〇5來排程被緩衝於無線傳送/接收單元lG5中之加強 上鏈資料傳輪至._B gj!點no。步驟625中，無線傳送/接收單元⑽ 係^破允許加強上鏈:#料傳輸是否足以傳送所有被緩衝加強上 鏈貝料右目月；)排程貧訊所允許之加強上鏈資料傳輸足以支援 被儲存於緩衝器12G中之加強上鏈魏，則所有被緩衝於 =線傳达/接收單元105中之加強上鏈:鄭㈣被允許加強上鍵資 料傳輪被傳送至B節點ιι〇(步驟63〇)。 、 若目前排程資訊所允許之加強上鏈㈣傳輸不足以支 =、、,被緩衝於热線傳送/接收單元105中之加強上鏈資料，則無線 二运/接，單元105傳送包含預期傳輸格式組合或詳細訊務量量測 貝讯之-個或衫加社鏈倾傳輸至 係決定加強上鍵資料相關之維：： 性來決定1 /、傳輪格式組合或砰細—量量測資訊及相關優先 上赫鏈貫體頻道，並排程及傳送—個或更多附加加強 ^鏈-貝料傳輸直到無任何被緩衝於無線傳送/接敗單元1〇5中 強上鏈資料為止。 〈加 把人ϊϊ本發明已參考較佳實齡及綱，但熟練技 二只要不_上述本發明料均可做各獅式及細 12 200818937 【圖式簡單說明】 甘士本發$可彳<町紐貫細_及關例铜更詳細了解， 具T · 第1圖顯示依據本發明操作之無線通信系統； 第2圖為用於第i圖系統當被加強上鍵資料排程訊 加強上鏈資料傳輸不足以傳送所有被、緩衝於無線傳送/減單狀 加強上鏈貧料時之信號流程圖； 第3圖為用於第！圖系統當被加強上鏈資料排程訊 力強輪足以傳送所有被緩衝於無線傳送/接收單元之加 強上鏈負料B守之信號流程圖； ^ 4關示依據本發明—實施例被絲麵加強上鍵頻道要 求加強上鏈資料排程資訊之框結構； 组人=圖顯示!?本發明另一實施例被用來指示預期傳輸格式 坎/毛田訊矛力里里測貧訊之媒體存取控制協定資料單元(ρ_ 裕式，及 =6 _靴縣發明包含赫被緩衝加紅鏈之方法 芡驟處理流程圖。 【元件符號說明】 EU 加強上鏈 TVM訊務量量測 1〇〇 無線通信系統 no B節點 WTRU無線傳送/接收單元 tfc 傳輸格式組合 MC媒體存取控制 105 热線傳送/接收單元 120 緩衝器 13

Claims (1)

  1. 200818937 十、申請專利範圍： •由一分頻雙工寬帶分碼多重存取使用者設備(UE)所使用以用於 加強上鏈(EU)傳輸的裝置，該裝置包括·· 畲不爲EU傳輸而排程該使用者設備時·· 允亥使用者設備在不爲EU傳輸而排程下傳輸一加 強上鏈資料達到一預定門植值； 觸發-排程請求訊息的傳輸，該排程請求訊息是以一 EU媒體存取㈣__進行h，以及該排程請求訊息指 不-緩衝器中的-EU資料總量、與—邏輯頻道關聯的一資料量 M及與該邏觸道Μ的-優先性資訊； 接收資訊以排.EU傳輪； 傳獅資料以回應在_EU頻道上所接收的轉輸排 矛王負訊；以及 當爲EU傳輸而排程該制者設備時： 當EU資料是處於該緩衝器以用於傳輸時，在一即頻道 =r一’其―息包括- 3· 該EU資 料與一邏輯頻道_; ’、、㈣傳輪的裝置’ 用於在不爲EU傳輪 在不爲EU傳輸而排程該使用者設備時， 14 200818937 而排程下，傳輸加強上鏈資料達到一預定門檻值，以及’觸發 一排程請求訊息的傳輸的裝置，其中該排程請求訊息是以一EU 媒體存取控制(MAQ資料進行多工，以及該排程請求訊息指示 在一緩衝器中的一EU資料總量、與一邏輯頻道關聯的一資料量 以及與該邏輯頻道關聯的一優先性資訊； 用於接收資訊以排程EU傳輸以及傳輸EU資料以回應在一 EU頻道上所接收的^^傳輸排程資訊的裝置；以及 用於在該使用者設備是爲傳輸而被排程且EU資料是處於 該緩衝器以用於傳輸時，在一EU頻道上傳輸以EU MAC資料進 行多工的一更新的排程請求訊息的裝置。 4·如申請專利範圍第3項所述的使用者設備，其中該排程請求訊牵、 包括一 EU訊務量量測資訊。 15
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