TWI235008B - Dynamic channel quality measurement procedures for adaptive modulation and coding techniques - Google Patents

Dynamic channel quality measurement procedures for adaptive modulation and coding techniques Download PDF

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TWI235008B
TWI235008B TW091109727A TW91109727A TWI235008B TW I235008 B TWI235008 B TW I235008B TW 091109727 A TW091109727 A TW 091109727A TW 91109727 A TW91109727 A TW 91109727A TW I235008 B TWI235008 B TW I235008B
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base station
channel quality
ues
mts
downlink
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Stephen E Terry
Stephen G Dick
James M Miller
Eldad Zeira
Ariela Zeira
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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
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • H04W72/20—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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

Ljt!^ 91109797 年月 日 修正 本發明關於無線通訊系統。尤其是，本發明係關於使 用刀碼夕工存取（code - division multiple access ， CDMA )技術之通訊站。本發明特別是關於決定用於有效利 用無線資源使用率及選擇使用者服務之資料速率之無線狀 H …、、 於分碼多工存取第三代（3G)細胞通訊系統中，適應性 调變及編碼技術（adaptive modulation and coding， AM&C )被應用於傳輸以便達成改善的無線資源使用率，並 在適當的狀況下提供增加的使用者服務資料速率。這些 AM&C技術預先將無線傳輸狀況列入考慮，以便決定從使用 這些技術之目剷無線傳播情況中獲得有益之調變及編碼速 率0
於使用這些AM&C技術時，需要在每個傳輪之前，從接 收益提供實體頻道品質測量的程序。基於此品質測量，傳 輸器決定特定傳輸之適合的調變及編碼速率。
於CDMA系統中，如同以任 因為自然或人為狀況二者的廣 道品質測良被用以決定傳輸調 之情況改變所產生之頻道品質 理係直接與頻道品質測量之時 時間週期長度有關。 何無線系統，無線狀況可能 泛變化而快速改變。因為頻 變及編碼，且因為傳輸路徑 之快速改變，適應性傳輸處 間與傳輸開始之時間之間的 實體或邏輯控制頻道隨後被用以將頻道品質測 收器傳輸至傳輸器。頻道品質訊號可以估 — 4尺用對每一使用者 設備（user equipment， UE)專用的控制相、签丄， 利頸道或由所有UEs
第10頁 —9ΠΠΑ7?7 五、發明說明（2) f旱之共用控制頻道。UE可以是細胞式話機(ceu P one)，PDA、（個人資料助理）或其它型態之無線裝置。當 口併控頻道被使用時，一連續訊號頻道為每一 UE之頻道 二=測里的傳播而超時存在。此為AM&c之理想解決方案， 二二=測里持績的存在。考慮適當的調變及編碼設定用 之持績存在的品質測量，傳輸可以在任何時後發生。因 =,以專用控制頻道總是存在於上行連結（upHnk)的方 ^頻道可以被用以支持低速率上行連結資料傳輸。 # ^使1專有控制頻道方法的困難在於，即使在沒有資料 = 配置實體層資源。a叫術之主= 而達成。這些長的閒置週= 至最置㈣^ ί ί 5 ^ ^ ^ ^ U E s ^ /°,f ：I，J * 某二UEs將具有最近的頻道品質測量。 /、有 另一方式是共用控制頻道的使用。 使用’存在一個由細胞内所有UEs共用^用工制頻道的 決定每-ue對共同控制頻道存取的程序被定m道。 用以區分特定的業務。支援AM&C丘 硪別被 =量=,對控制頻道存取所需的Λ難在 費用。如前所述，UE識別是需要的以便區分肫U p吊性 '^乃υ的業
第11頁 (〆、w -Jh .： …w (〆、w -Jh .： …w IpJt 91109727^ 、發明說明（3) 務。因此，為避免對上行連結共用控制 、 礎之存取，在下行連結（downlink)共用拎=之以1 兄爭為基 存取之個別配置需要發訊號。因為上口頻道上之每- 結控制頻道上於訊缺 甘太4上 置必須在下行連 用。同 =ί 相相當的發訊號的經常性費 用〜，共用控制方法不提供低速率 ：:賈 輸。 I干上订連結貧料傳 綜合言之，AM&C技術之 器之每一傳輸器之最近實體 者，測量以具有動態資料傳 存在。此專用控制頻道解決 傳輸是不連續的，這對無線 期性設計的專用控制頻道使 加了測量的延遲。共同控制 礎上提供測量，但使訊號標 的無效率使用。 效率主要是基於事先來自接收 頻道品質測量的效益。較佳 輸之所有使用者之最小延遲而 方法提供連續的測量，但因為 資源之使用是沒有效率的。週 無線資源需求為最少，但這增 頻道方法可以在連續或週期基 記的經常性費用產生無線資源 需要能夠提供具有低延遲及低訊號標記經常性費 方法。 、< 圖式簡要說明 本發明之目的基於所附詳細說描述及圖式而變得主 楚，其中： ^ 第一圖係本發明較佳之動態頻道品質測量程序 (dynamic channel quality management procedure , D C Q Μ P)之流程圖。
第12頁 案號 91109727 主月日 修正 Ι^ψ ψ n ° F；i| 五、發明說明（4) 第二圖表不第一圖所示之本發明之DCQMp之另一實施 例0 較佳實施例詳細說明 所示之較佳實施例於下文參照所附圖式而被描述，其 中相同的標號始終代表相同的元件。 第一圖係本發明動態頻道品質（channel quaHty，
CQ)測量程序60之流程圖’其可藉由具有與至少一⑽通 訊之基地台/點B(以下稱基地台丨2)無線數位通訊系統實 施。雖然所呈現之發明方法意於支援一基地台與複數UEs 之間的通訊，為簡要說明之故，以下之描述將詳細說明由 單一 UE所執行之步驟；（可了解的是所有其它UE s將以相同 方式運作）°下行連結（DL)資料被傳輸至指定給一特定UE 30之基地台12(步驟S1 )。
二基地台12回應下行連結資料之接收並於傳輸之㈣3〇 之前要求僅來自具有未決之向下傳輸之一 UE 之dl CQ 測量（步驟S 2 )。 U E 3 0在步驟S 3接收該要求並於步驟§ 4回報該d l c Q測 量至基地台12。 基於從每一UE接收之CQ測量報告（步驟S5)，基地台12 決疋那一 U E s將具有最佳的無線資源使用效率，並決定使 用那一時槽（slot)(步驟S6)。較佳者，此UEs藉由其Cq 而被排列優先次序，因此，具有最高CQ之UE首先被傳送資 料，然後具有第二高CQ的UE接著被傳送其資料，依此類、 推， 直到具有最低CQ之UE的資料最後被傳送為止。
第13頁
五、發明說明（5) 因為C Q測量要求及回應的C Q報告只在需要時產生，共 用控制頻道所需之訊號發送經常性費用可大幅降低。測量 報告為所有活動中的傳輸使用者而存在，類似專用控制頻 道’ 避免了在閒置週期中之資源的無效率使用。 傳輪的優先次序依據DL CQ測量而決定，且DL實體頻 道配置發訊號至適合的UEs，指示特定的編碼速率，調變 型態及配置時槽（步驟S7)。被指定的㈣接收該編碼速 率’詞變型態及配置時槽（步驟S8 )，並設定這些接收用之 參數（步驟S9)。
在步驟S 7之執行後一預定（但是短時間）時間後，下行 連結資料之區塊隨後由基地台1 2傳送至被指定的UE 3 〇 (步 驟S1 0 )’以致此u E 3 0之接收用之時間設定。u E 3 0在特定 的編碼速率，調變型態以及於步驟37所指定之配置時槽中 接收下行連結資料。 次 本發明因此提供AM&C運作所需之基礎需求而維持無線 貢源之使最大使用效率。因為DL CQ測量以所有傳輸之最 小的可能延遲而存在，於下一傳輸時間框中被提供服務之 一，多位使用者的選擇可以達到最佳。此外，由週期性或
連續機制提供之測量不提供比本發明增加的利益，效能增 盈或加強。 ^ 本發明之實施也使測量程序處理及相關的消耗功率為 最少’對一般由限制容量之小功率（亦即，一充電電池）所 供電之UE尤其重要。因為品質測量僅為一特定的活動傳輸 而被要求，所需之糙量的數目可被降至最小。
第14頁 修正 S 丨 I案號 91109727 一^ _m，- .·.·〜^，、十a^' 五、發明說明（6) 特-：巧：：^所^ 2本發明另—實施例之方法70，僅需 定。例如，在3G標準中，使用之無線資源而 求。因此，藉由限制⑶測量；： = 可被要 圖，其類似第一圖，除了修改的=取达被表不於第— 別取代第-圖之步驟S2與s;。於：：=A及』2B之外’ f分
30執行僅於一特定無線資源上：：=2曰A ’基=台12要求UE
在特定的無線資源上執行DL C〇 p曰 回應該要求，UE 々上钒仃DL CQ測量（步驟S3A)。 供術上提供許多優…先，本發明提 八工乳；丨面之取局有效率的使 ， 成傳輸之UEs將需要回應DL㈧測量之請：有：=有心 之經常性費用為最小。 ^ 、允3午I讯號 評：ΐ ’因j輸係依據最高品質DL cq測量而被排安 可Γϊί ϋ槽或多時槽之可允許的最高資料速率將 第三，因為UEs僅需回應DL Cq測量之請求，將不 UEs之不需要的測量，藉此節省UEs電池壽命。 处^ &明之最後優點在於此處所揭示之方法的細胞中所 援之使用者數目的增加。被支援之使用者的數目於專 =制頻道方法中被專用無線資源之需求所㈣ij ;而於共 抆制頻道方法中被發訊號之經常性費用需求所限制。萨 限制對活動使用者之測量發訊號程序，本發明使共用^
第15頁 f is 茺 _g i 案號 91109727 曰 修正 五、發明說明（7) 制之發訊號經常性費用為最小並支援細胞中最多的使用者 數目。 雖然本發明以最佳實施例而被描述，其它落入如申請 專利範圍中所描述之本發明範圍之變化對熟悉本技藝之人 士而言將是明顯的。 Φ
第16頁 f KB 概)g 一^，.対、1 案號 91109727 年月曰 修正 圖式簡單說明 第一圖係本發明較佳之動態頻道品質測量程序 (dynamic channel quality management procedure ， DCQMP)之流程圖。 第二圖表示第一圖所示之本發明之DCQMP之另一實施 例。
元件符號說明 12 :基地台 30 ： UE 6〇 :動態頻道品質（channel quality, CQ)測量程序
第17頁

Claims (1)

  1. f]5f5 衡 «I $年一月「丨I案號91109727_年月曰 修正_ 六、+申讀~蓴利範圍 1. 一種於包括一基地台及複數行動終端（MTs)之一無線數 位通訊系統中最佳化無線資源利用及調整資料速率之方 法，該方法包括步驟： (a) 該基地.台，於接收至少一該MTs之下行連結資料區塊 時，傳輸一頻道品質測量之請求至該MT ; (b) 該至少一 Μ T接收該請求； (c) 該至少一 ΜΤ測量並回報該下行連結頻道品質至該基 地台； (d) 回應從該至少一MT接收之該頻道品質測量，該基地 台配置該無線資源； (e) 該基地台依據該配置傳輸至該至少一 MT。 2 ·如申請專利範圍第1項之方法，其中該配置包括調變型 態，編碼速率及時槽。 3. 如申請專利範圍第1項之方法，更包括該至少一MT，回 應該配置之接收，依據該配置準備下行連結資料之接收。 4. 如申請專利範圍第1項之方法，其中方法步驟（a)更包括 該基地台指示該測量用之特定時槽。 5 .如申請專利範圍第4項之方法，其中步驟（c )更包括該 基地台包含該至少一MT已被配置那些時槽以便傳輸至該基 地台。 6. 如申請專利範圍第1項之方法，其中步驟（c)更包括該基 地台指示該等已配置之時槽被該至少一MT使用。 7. 如申請專利範圍第2項之方法，其中該至少一 MT依據該 配置藉該基地台而接收一傳輸。
    第18頁 修 更
    SS9U09727 年 月 曰 修正 六 、申請專利範圍 8 · —種於包括一基地台及複數行動終端（MTs )之一無線數 位通訊系統中最佳化無線資源利用及調整資料速率之方 法，該方法包括步驟： (a)該基地台，於接收預定數目之該等MTs之預期的下行 連結資料區塊時，傳輸一頻道品質測量之請求至該等 MTs ; (b) 該預定之MTs執行該請求之測量； (c) 該預定之MTs傳輸該頻道品質至該基地台； (d) 回應從回報下行連結頻道品質之該預定之MTs所接收 之頻道品質測量資料，該基地台決定該預定MTs之較佳者 能夠達成無線資源之最佳使用；以及 (e) 該基地台配置將被該等較佳MTs使用之時槽。 9. 一種於包括一基地台及複數行動終端（MTs)之一無線數 位通訊系統中最佳化無線資源利用及調整資料速率之方 法，該方法包括步驟： (a) 一遠基地台，於接收預定數目之該等MTs之預期的下 連結·貝料區塊時，傳輸一頻道品質測量之請求至該等 (b) 回應從回報下行i隶έ士 0½、芒σ _ 战、、，。# r订連、纟口頻道品質之該預定之MTs所接4 之頻迢口口負測量，該基地台決 ^ ^ ^ ^ ^ ^ l σ庆疋该預定MTs之較佳者能夠 達成無線貧源之最佳使用；以及 (c ) 該基地台依據該頻道 該預定之MTs之下行連結資 予該較佳之MTs。 ' 品質測量資料及可用之傳輸至 料之量而配置預定數目之時槽
    第19頁
    车 η £11案號 91109727 六、申請專利範圍 1 0 · —種包括一基地台及複數广 訊系統，包括·· 、冬端（MTs )之無線數位通 (a ) 該基地台’具有接收預定數 行連結資料區塊之裝置，以及值目之該等MTs之預期的下 至該預定之MTs之裝置； 頻道品質測量之請求 (b )該接收此一請求之該預定之μ 質之裝置以及回報該被測量之 _、S具有測量下行連結品 台之裝置； 订連結頻道品質至該基地 (c ) 該基地台具有回應從回報 一、
    定之MTs所接收之頻道品質測量、連結頻道品質之該預 能夠達成無線資源之最佳使用之亚裳、置定該預定MTs之較佳^ (d ) 該基地台更具有一裝置，用 變/編碼速率為該頻道品質測量一 ’、、定每一較佳Μτ之調 等個別較佳MT所獲得之該頻道σ w一函數並用以依據從該 率至該等較佳MTs ;以1逼。°質測量傳輸調變，編碼速 (二Λ基么V於步驟(d)所指⑦之調變/編瑪速率，傳 輸下仃連結資料之區塊至該等較佳之们 傅 如申請專利範圍第10項之系統，其中s該等mts包括"
    该頻道配置之接收及調變/編碼速率資訊以依據特定之頻、 迢配置及調變/編碼速率而準備下行連結資料之接收之 置。 12· —種包括一基地台及複數使用者設備（UEs)之無線數位 通訊糸統，包括： (a) 該基地台具有接收預定數目之該等UEs之預期的下行
    第20頁 六、 申請專利範圍
    質測量之請求至 連結資料區塊之裝置，以及傳輸一頻道品 該預定之UEs之裝置； (b) 該接收此一請求之該預定之UEs具有測量丁行連結口 質之裝置以及回報該被測量之下行連結頻道口拼= 二 (c) 該基地台，回應從回報下行連結頻道。所^ — lfrp 沒口口貝之該預定 之MTs所接收之頻道品質測量資料，具有決 τ 土…丄丄 、疋硪預定U E s之 較佳者能夠達成無線資源之最佳使用之裝置；以及 (d) 該基地台更包括一裝置用以配置對該等較佳UEs之 槽。 、 1 3 ·如申请專利範圍第1 2項之系統，其中該等較佳u e s包括 回應該頻道配置之接收以依據特定之頻道配置及調變/編 碼速率而準備下行連結資料之接收之裝置。 14. 一種包括一基地台（BS)及複數使用者設備（UEs)之無線 數位通訊系統，包括： (a) 該BS具有接收預定數目之該等UEs之預期的下行連結 資料區塊之裝置，以及傳輸一頻道品質測量之請求至該預 定之UEs之裝置； (b) 該接收此一請求之該預定之UEs具有測量下行連結品 質之裝置以及回報該被測量之下行連結頻道品質至該BS之 裝置； (c) 該BS具有回應從回報下行連結頻道於質之該預定之 U E s所接收之頻道品質測量並決定該預定U E s之較佳者能夠 達成無線資源之最佳使用之裝置；以及
    tl2^5#0§ 」为—:）曰案號91109727_年月曰 修正_ 六、申請專利範圍 (d) 該BS更具有一裝置，用以決定每一較佳UEs之調變/ 編碼速率為該頻道品質測量之一函數，並用傳輸調變/編 碼速率至該等較佳UEs。 1 5.如申請專利範圍第1 4項之系統，其中該等UEs包括回應 該頻道配置之接收以依據特定之頻道配置及調變/編碼速 率而準備下行連結資料之接收之裝置。 16.. —種於包括一基地台（BS)及複數使用者設備（UEs)之 一無線數位通訊系統中最佳化無線資源利用及調整資料速 率之方法，該方法包括步驟： (a) 該BS台，於接收至少一該UEs之下行連結資料區塊 時，傳輸一頻道品質測量之請求至該UE ; (b) 該至少一UE接收該請求； (c ) 該至少一 UE測量該下行連結頻道品質； (d) 該至少一UE回報該下行連結頻道品質至該BS ; (e) 回應從該至少一UE接收之該頻道品質測量，該BS配 置該無線資源； (f ) 該BS依據該配置傳輸至該至少一UE。 1 7 ·如申請專利範圍第1 6項之方法，其中方法步驟（a )更包 括該BS指示該頻道品質測量用之特定所需之時槽。 1 8.如申請專利範圍第1 6項之方法，其中該配置包括調變 型態，編碼速率及時槽。 19. 如申請專利範圍第16項之方法，更包括該UEs，回應該 配置之接收，依據該配置準備下行連結資料之接收。 20. 如申請專利範圍第1 6項之方法，其中步驟（e )更包括
    第22頁 it
    丨§ 1 號91刚7?7 年 月 曰 修正 六、申請專利範圍 該BS傳輸該配置予該UE。 21·如申請專利範圍第1 6項之方法，其中該步驟（c )更包 括該BS從最高頻道品質至最低頻道品質而排列該等UE之優 先次序’並首先配置時槽給回報最高頻道品質之UEs。 22如申請專利範圍第21項之方法，其中該UEs依據該配置 藉由該基地台接收一傳輸。 23· 一種於包括一基地台（BS)及複數使用者設備（UEs)之一 無線數位通訊系統中最佳化無線資源利用之方法，該方法 包括步驟： (a) 该B S接收至少一下行連結（])L )資料區塊； 該B S決定被指定該資料區塊之該特定U E ; 該BS傳輸一DL頻道品質（CQ)測量請求至該特定UE ; 該UE執行該DL CQ之測量； 該UE傳輸該測量至該BS ; 該基地台基於該測量排列優先次序並配置無線資 (b) (c)(d) (e)(f) 源(g)(h) 該基地台傳輸該配置至該UE ; 該UE回應該配置而調整； (1) 該BS依據該配置而傳輸該DL資料； (該UE接收該DL資料。 Μ· —種於包括一基地台（bs)及複數使用者設備（UEs)之一 無線數位通訊系統中最佳化無線資源利用之系統，該系統 包括： (a) 於該BS用以接收至少一下行連結（DL)資料區塊之裝
    第23頁
    置； (b) 於該BS決定被指定該資料區塊之該特定UE之裝置； (c) 於該BS傳輸一DL頻道品質（CQ)測量請求至該特定UE 之裝置； (d) 於該UE執行該DL CQ之測量之裝置； (e) 於該UE傳輸該測量至該BS之裝置； (f ) 於該基地台基於該測量排列優先次序並配置無線資 源之裝置； (g) 於該基地台傳輸該配置至該UE之裝置；
    (h) 於該UE回應該配置而調整之裝置； (i) 於該BS依據該配置而傳輸該DL資料之裝置；該UE接 收該DL資料。
    第24頁
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