TWI262730B - Reliability detection of channel quality indicator (CQI) and application to outer loop power control - Google Patents
Reliability detection of channel quality indicator (CQI) and application to outer loop power control Download PDFInfo
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
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- 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
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- 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
- H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
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- 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
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/16—Threshold monitoring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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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
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/12—Outer and inner loops
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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
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/20—TPC being performed according to specific parameters using error rate
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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
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
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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
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- 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
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements 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
- H04L1/1607—Details of the supervisory signal
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L2001/125—Arrangements for preventing errors in the return channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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- 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
Description
先前技術 見今 第二代(3 G)行動通訊系統已經才發準 路⑽封包資以 (W娜;:::ΐ電信系統⑽TS)寬頻瑪分多重存取 厅、下’此封包傳輸技術通常是指高達下一、s (m)^(H„SDPA) 5 HSDPA ^ ^ ^ ^ 晶片速率W:丁的’且其係以1,28 Mcps及3.84 Mcpa 可、t ί下^特有之特徵係為HSDPA所被承認之有效性以及 =成之資料處理能力:適應性調變及編碼技術(AMC)、 2逑混合自動重複請求(Hybrld ARQ)、用以即時叽頻道品 =之上行通路(UL)報告之快速回饋機制、無線資源有效封 已排程機制、以及快速短期DL頻道分派。 然,另一種HSDpA可作為區別之特徵係為該資料速率 L發达(Tx)功率之總量,一HSDPA基地台分派給一無線 發送及接收單位(WTRU)係為該WTRU之即時頻道狀態之函 數。舉例來說,一個靠近該基地台之使用者可卻實地接收 到一個具有低發送功率之高HSDPA資料速率,〆個遠離該 基地台之使用者,或是一個面臨不利頻道狀態之使用者, 1262730 五、發明說明(2) ---— -- 對於相同或更大量之分派DL發送功率僅能以一個降低資 料速率進行下去。 "* 、 能令—個特定使用者確實地進行之該即時HSDpA資料 速率,其大體來說依靠的是丨)路徑損失,其係基於與伺 服基地口的距離;2 )遮蔽;3 )即時快速衰退狀態;4 ) 使用者接收端之干擾,其係由其他使用者出現在系統中所 ^ ;以及5)該使用者之頻道狀態,例如速度以及傳播 環境:換句話說,該HSDpA資料速率係為該使用者遭受之 DL信號干擾比(SIR)之函數,其係基於所有這些因子,且 其係以該使用者所能保持之該叽資料速率來表現,該使用 者之DL S I R大體來說會隨時間改變,就如同這些因子的一 個函數一樣。 、使用者所遭文之DL s I R或是具有這種功能之任何相似 ,代表性路由計量值(metr ic value),例如BLER、BER或 是與接收DL干擾結合之接收信號功率之知識,對於hsdpa 基地台以確保高度有效之HSDPA操作是不可或缺的。利用 H S D P A之C D Μ A系統因此採用一種快速u L層1 ( l 1 )發送信號機 制’其係允許一 WTRU以一種快速的UL頻道品質指示器 (CQI)週期性地對該基地台報告DL SIR。現行之FDD規格允 許在UL中該週期性CQI回饋之組態在每0(當⑶^報告關閉 時)、2、4、8、1 Q、2 0、4 0、8 0或1 6 0毫秒時送出,然 而’ TDD系統中並未具備週期性⑶!回饋,因此該Cqi係以 一種在高速共享控制頻道(HS-SICH)上之ACK/NACK代替, 每當在該HSDPA資料頻道(HS-DSCH)之一DL資料區塊被一個
1262730 五、發明說明(3) WTRU所接收時送出,在W-CDMA FDD和TDD模式,這種機制 通常亦視作CQI報告。 測量在一特定WTRU實行之CQI之方法並未標準化,確 開放製造供應商實行,但是如何取得該報告之CQ I值之方 法亦未標準化。在FDD標準中,有一個表格(示於3 gpp ts 2 5.3 2 1,媒體存取控制(MAC)協定說明書,5.4.0 ( 20 03- 0 3 )中)粗略地列出一些3 0 C Q I值對應於逐漸增高之資料速 率,以及因而越來越高之DL SIRs。在FDD中之該報告cqi 值係由如下方式取得(依據3 GPP TS 25.214,實體層程序 (FDD), ν5·4·0 (2003-03),弟6A.2 郎):「UE應該報告表 列中最高之CQI值給一單一HS-DSCH次訊框,其係以Hs — PDSCH編碼及調變之該傳輸區塊大小數量格式化,其係相 當於該報告或更低之CQ I值,其係能於一結束第一槽之三 日守槽參考期中’其係在該第一槽開始之前,其中該報告 CQ I值被發送,且其對於該傳輸區塊錯誤機率將不會超過 〇· 1」。在TDD中,該報告是不同的,該傳輸區塊大小只有 在其於最後一個接收之發送間隙(最後HS — DSCII接收處時槽 之數畺)’且該發送會產生一個0 · 1之區塊錯誤率時才會報 告。 舉例來說,在現行之第5版之W-CDMA FDD中,該CQI係 為一個5位元長度之資訊位元序列,其係以一種(2 〇,5 ) R e e d - Mu 1 1 e r編碼方式進行編碼,編碼出來之2 〇位元長度 序列會在一高速專用實體控制頻道(HS_DpccH)之儿中送 出’每一個使用者具有一個個別的HS_DpccH,其係具有一
1262730 五、發明說明(4) 可調節之CQ I報告循環(回饋速率),一個使用者能報告在 該H S - D P C C Η上之該C Q I值,即使該使用者並未接收到在η s 一 DSCH上之資料。 舉另一個例子來說,在現行W-CDMA TDD版本(3. 84 Mcps或南晶片速率(HCR) TDD)中,該CQI係為一個1〇位元 長度之資訊位元序列,其係以一種(32,i〇) Reed —Muller 編碼方式進行編碼’編碼出來之3 2位元長度之編碼序列會 在視為HS-SICH —部份之UL上送出,在現行的TDD下,一 C Q I發送僅能發生在如果該使用者事先已經接收訊框中該 HS-DSCH上之資料時。 因為一WTRU之CQI報告之可靠性具有對HSDPA操作之影 響’因此一HSDPA基地台具有一判定CQI是否錯誤接收的裝 置就非常的重要,藉由摒棄任何錯誤接收的⑶!,該hsdpa 基地台能避免該情況,其中其會選擇使用者之DL資料速率 及對應的傳輸功率,其係不適合該使用者所面臨之DL頻道 狀態。錯誤的CQIs會減低該HSDPA對使用者之資料總處理 月匕力’且會對系統中其他使用者產生高度之干擾,其會減 少於W-CDMA系統中HSDPA服務之有效性。 除此之外,太多從一特定用者接收之錯誤CQ I係使用 者的DL發送功率設定並不精確的一個跡象,而該基地台或 另 個存取網路節點,例如而該基地台或另一個存取網路 節點’例如無線網路控制器(RNC)將會採取適當的動作。 舉例來說,RNC能發送一個較高目標之UL S I R信號至該使 用者’以便增加其UL發送功率及將低在HS-DPCCH (FDD中)
1262730 I、發明說明(5) ' ~~' ' ---— -^M-SICH (TDD中)之錯誤率,此種形式之rnc功能通常視 為外迴路功率控制。 在^-⑶❹FDD和TDD模式下接收叽傳輸之錯誤偵測典 里地係藉由執行一種循環冗餘檢查(CRC)來完成,亦即當 在基地台解碼錯誤時,來自資料所伴隨的一位元序列為田一 可靠的解碼錯誤之指標。為了讓CRC在錯誤偵測中有作用 力,CRC的長度必須明顯的大很多,然而,為了避免具有 不必要的過程,CRC長度對實際資料長度之比例則需非常 的小,在典型的應用上,該資料可能是幾百位元的序列, 而CRC可能只有8 — 24位元而已。 很不幸地,HS-DPCCH (FDD)以及HS-SICH (TDD)係為 I*夬速L1 U L發送偵號頻道,其係不包含任何u l資料或充2 數量的L1發送信號位元以有效利用CRC,為了提供足夠數 量的錯誤偵測性能,CRC至少必須正常地跟資料欄位有一 樣的大小才能查核,在這些考量之下,現行的標準 並不在 HS-DPCCH (FDD)以及 HS-SICH (TDD)上使用 CRC。 因此’基於現存的技術,網路(基地台或是r N C )不具 備可靠判定是否一個C Q I是不是被錯誤的接收,網路只能 配置該WTRU使用一足夠高的UL發送功率,其係以一ul目標 S I R及付自模擬的「經驗」,以致於錯誤的結果不太可能 發生,且對於HSDPA系統之操作也沒什麼傷害,因此提供 一種可靠性偵測和報告所接收CQ I值正確性之方法就會很 有幫助。
第10頁 1262730 五、發明說明(6) 發明内容 本發明之方法使得基地台能判定CQ I可靠性的程度。 本發明提供一種有用的CQI報告之可靠性偵測機制,^係 由HSDPA基地台接收自一 WTRU,且提供一接收之cq I品質報 告機制,其係由該HSDPA基地台至該RNC,以便追縱I調敕 一 WTRU之UL發送功率設定。 ' ° 一種方法,其係用以在一無線通訊網路中增進一頻道 品質指示器(CQI)訊息之可靠性,其開始於接收9和解碼該^ CQI訊息。在CQI訊息中每一個符號判定之路由計量值皆Λ會 被計算,一個最大的判定路由計量值和一第二大之判^二 由計量值係被決定’該CQI訊息之可靠性係藉由比較該& 大判定路由計量值及該第二大判定路由計量值來決定。 一種方法,其係用以在一無線通訊網路中增進一 :二輸頻道品質之-接收訊息之可靠十生,其係藉由接收一 ==無線發送及接收單位之一頻道品質指示器(c Q丨)訊息 始’该CQI訊息接者被解碼,且會得到至少兩個不同 代表该解碼之CQ I訊息之值,該ccn邙自 1 Λ息之可靠性係藉由比 車乂 4至少兩個值以決定。 ,、首;? i統,其ΐ用以在一無線通訊網路中判定-傳輸 單仂fWTPTT、tt 甘兄匕3至》一無線發送和接收 ::(WTRU)及一基地台,該刪包含產生器以產生一頻道 器(CQI),該基地台包含接收裝置 _, :以!,1,計算裝置以計算該解柳之-第 )疋路由计1值及-第二判定路由計量值,以及比較裝
1262730
置用以比車父該第一和 CQI包含一錯誤。 第二判定路由計量值以判定是否該 一種依據本發明構成之積體電路,豆包含— 2配置以接收一頻道品質指*器(cqi)訊息,解碼輪’其 J碼該⑶I訊息,彳算裝置以計算該解碼⑶!之、—置以 ^由計量值及一第二判定路由計量值,及比較裝置:定 =广Λ路由計量值及該第二判定路由計量值以判” 否δ亥C Q I訊息包含一錯誤。 彳疋τξ: 直传ί:ί發明之細節瞭解可由下述實施例之描述所得 ,、係、.,δ予舉例並配合相關圖式以瞭解。 f, 實施方式 如同之 制於一使用 一呼叫器或 談論到,一 制器;一存 第一圖所示 其應用於根 開始係藉由 總 H S - S I C H s SICHs數量( (步驟1 0 6 ) 是否低於門 ί : ί用的和描述的,-個WTRU包含但並未限 、’ 行動台;一固定或行動用戶單位; 可於無線環境下操作任何形式之裝置。當之後 基地台包含但並未限制於一節點B ; 一網田點控 $點或在一無線環境下任何形式之介面裝置。 ς二種方法1〇〇用以判定一CQI之可靠性,以及 據本發明之外迴路功率控制器。該方法1〇〇之 =始化一時間間隙計時器及數個計數器,例如 收、錯誤HS-SICHs接收以及已漏失之Hs_ 步驟1〇2) ’該⑶1係被接收(步驟104)及解碼 °玄兩個最大判定路由計數值係被評估以判定 服值(步驟11 4 ),如果差異低於門檻值,則該
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CQI就有錯誤的A可能,因此將被丢棄(步驟116)。 一也1 ί产丰異二合或是超過門檻值,接著該⑶1就會被假 定為有效(步驟1 1 8 ),下 牟 ^ 19n, a ^ ^ ^ 下一步,該叶數器將會增量(步驟 吕μ時間間隙是否已經達到終端都會完成一判 定(步驟122),當然,流程圖就會回到步驟104 ^步驟104- 持續重複下去,而不管該計數器之值或是 吞亥吋間間隙疋否已經終止。 一 ϊ ί m’間隙已經終止(步驟122),則不管該計數 為疋否付&或疋超過門檻值都會完成一判定(步驟124), Λ·果數11等於或大於該門檻值’該rnc就會發送信號 (V驟126),細C接著發送該WTRU信號以調整該UL發送功 率(步驟128),於是該方法即終止(步驟13〇),如果尚未達 到時間間隙之終點(步驟122),或是如果該計數器低於該 門檻值(步驟1 2 4 ),則該方法亦終止(步驟丨3 〇 )。 值得注意的是,步驟112中之差異判定亦可用於當該 f由計量值係為對數時,亦即係為分貝時,如果該路由計 量值係為純數字的話,則步驟丨丨2和丨丨4能以下列形式修 改。該最大判定路由計量值與該第二判定路由計量值之比 係被計算(步驟112),且該比值係與該門檻值比較(步驟 114) 〇 一種近似可供選擇之方法係包含額外的I u b發送簡單 週期性報告之信號,其係HS-SICHs接收之總數、錯誤HS — S I C H s接收之數量以及H S - S I C H s在一固定時間週期所漏失 之數量,且報告這些數量與錯誤門檻值無關,這類型之週
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五、發明說明(9) 期性報告將增加更多的I u b發送信號,但在節點b中執一 來較不複雜。 ”、、 彳丁起 第二圖所示為另一種方法2 0 〇用以判定—⑶!之可靠性 及其應用於根據本發明之外迴路功率控制。該方法2〇〇之 開始係藉由初始化數個計數器,例如總H S - s I c H S接收、鈣 誤HS-SICHs接收以及已漏失之HS-SICHs數量(步驟2〇2),曰 該CQI係被接收(步驟2〇4)及解碼(步驟2 0 6 ),對每一在CQI 中之符號’ 一判定路由計量值係被計算(步驟2 〇 8 ),該兩 個最大之判定路由計量值係被選擇(步驟21〇),且該兩個 农大之判定路由計量值之間的差異係被判定(步驟2 1 2 ), 該兩個最大之判定路由計量值之間的差異係被評估以判定 是否低於一門檻值(步驟2 1 4 ),如果該差異低於該門插疋 值,則該CQ I就有錯誤的可能,因此將被丟棄(步驟2丨6 )。 如果差異超過門檻值,接著該C Q I就會被假定為有效 (步驟218),下一步,該計數器將會增量(步驟22〇),且不 管該時間間隙是否已經達到終端都會完成一判定(步驟 2 2 2 ),當然,流程圖就會回到步驟2 〇 4 ;步驟2 〇 4 — 2 2 〇之迴 路就會持續重複下去,而不管該計數器之值。 如果該計數器等於或大於該門檻值,該RNC就會發送 信號(步驟224 ),該RNC接著發送該WTRU信號以調整該UL發 送功率(步驟2 2 6 ),於是該方法即終止(步驟2 2 8 ),如果該 計數器低於該門檻值(步驟2 2224 ),則該方法亦終止(步驟 228 )。 當該基地台解碼所接收之3 2位元碼字元(步驟1 〇 6
第14頁 1262730 五、發明說明(ίο) 2 0 6 ),該解碼程序之輸出可視作為n無誤假設之一,其中 該資訊位元之數量η係與Μ有關,其係μ = 2n (在TDD中,η =1 0),換句話說,Μ符號中裡的一個會由wTRU送出至基地 台。於該基地台之該假設測試選擇Μ符號字母之最適當"成 員’接著將其轉換回η資訊位元,令其表示該符號,^即 編碼碼字元。 不同的判定演算法存在以判定什麼是最可能代表接收 之符號,其係通常不同於我們所知的符號。舉例來說,如 果一特定信號被送出是更有可能的事,則合併已知 該判定演算法提供了一個與另-演算法相比的優勢,:;淨 算法是假設所有的符號通常皆是相同地被送出,更進二步 說明,在FDD背景下’該解石馬哭^ ^ ^ ^ ^ ^ 1 口口月匕如同3 2合適的濾波哭棘 作,其係每一符號都有一渡波器,A 且皮 定的波形(晶片/位元序列),备人'中母付#u具有一特 匕 M ^ ^ ^ 母一合適的濾波器關聯於該 ίtΐ:ί!二,、波形相對應於—特定的符號,來自每-合 ί 該關聯性輸出基本上是-個對應於能量的波 ,f豆::波峰表不「报有可能此即為被送出的符 其「中;:字元等於-晶片序列),而-小的關』:波 峰表不「这不可能是正確的篮 啊IX /反 波峰中最大的一個會被選出,=合接著’該32個獲得的 的波峰,因為這是-個統會被判定為該被送出去 兮刺定之符垆β z At f叶上的假設測試,平均上來說, 忒判疋之付旎疋所能做出的最佳 示於第三圖。於兮故 此 枉斤之貝施例 位元之^列成.=t σ之該解碼程序轉換所接收之頻道 位兀之序列成為平穩的判定路由計量值用以每一可能在Μ
1262730 五、發明說明(11) C Q I範圍外之符號,該c Q I品質指示器能實施於一單一積體 電路或是作為分離的元件。 一般來說,該資訊位元序列(該C Q I字元)係為η位元 長,該CQ I字元係被編碼為一(Ν,n ) Reed-Mu 1 1 er編碼, 其係由Μ ( = 2 η ) N位元長編碼之位元序列。舉例來說,在 TDD中,有η = 10資訊位元,其導致1 0 24 (M = 21Q)每個長 度為N = 32位元的可能的編碼字元,於該HS-SICH上編碼 該CQI之程序提供了一些樣本,其規劃將每一個該n碼位元 成為N* 4 = L頻道位元,每一頻道位元係藉由一個為1 6之展 頻因子展頻(亦即一個1 6晶片長之展頻序列),其結果係為 LM6 = C晶片。在TDD中,該CQI字元通常係以一(32, 10)
Reed-Muller 編碼方式編碼,而η = 1〇,N = 32,L = 1 2 8,C = 2 0 4 8。撇開一般性的漏失,該方法之原理同樣 地對於FDD之(1 6,5 )編碼亦是有效的。 如同熟習此項技藝者所將瞭解的,任何其他形式之編 ,組合也可拿來使用,而本發明並未限制於此文前述之設 定方案,一種藉由頻道編碼理論所熟知之(Ν,η)編碼方 案丄以及存在可供選擇的參數η和Ν可使用於本發明,其係 判疋其資位元之比例以編碼該頻道位元。舉例來說,也 可使用一Reed-Mul ler第一或第二次序碼或是一Reed一 Solomon碼。該特定有關(N,n)位元之編碼組合並不明 顯,只要該解碼器能對每一個符號計算分散之判定路由計 量值L而且每個符號可於全部的頻道上送出即可。 第一圖之步驟110和112及第二圖之步驟21〇和212表示
第16頁 1262730 五、發明說明(12) 能判定CQ I可靠性之一個可能方法,許多其他用已判定CQ I 可靠性之方法也是可行的,舉例來說,該最大之判定路由 計量值與第二大之值的比例,或是兩路由計量值之間的差 異以分貝(1 0 1 og (比例))也可被使用。以一些簡單的方程 式來說明,如果Pmax表示該最大觀測波峰值,而Psecond 表示該第二大之觀測波峰值,該比例(R)就能被表示為R =
Pmax / Psecond 或疋 1 ( Pmax )/ 1 ( Psecond )或疋更普遍地以 f (ρ— / Psec〇nd)表示。另一個被提出來用以判定CQI可靠性 的方法係為該最大判定路由計量值之能量與Μ— 1其他列& 路由计1值之能量總和或加權總和之比例,舉例來★兒又 (i = l ...32)係為在Reed-Mul ler解碼器之輸出所觀測之匕 值,Ρ_即為Pi最大值,所量測之R係表為r = p 、攻峰 p-。 一 / (叫、 藉由比較該解碼之Cq !符號之平穩判定路由旦 該基地台能使用一簡單以門檻值為基礎之 機里值, 決定該接受之CQ1符號是否有可能有或有可能以便 驟1 14,214),舉例夾1 A里人 n」此,又有錯講(枣 計量值之間之該差例/= 地,大於95%)該⑽有錯誤靖QIm的機/ (典製 值也可使m目對的該GQI有料m其他姜異 個較佳的差異範圍係為介於〇 、丰::減低、 錯誤狀態之機率足夠高。 兵之Π 以便該CQI處於 以TDD為例,_ ^ 、 方面之結果’示於第四圖和第五圖例在:貞
第17頁 測CQ I錯誤之能力方及⑶1可#性偵測方法之實施例f 1262730 五、發明說明(13) — 四圖和第五圖之圖示包含在MUD之後BER、ACK - > NACK BER、NACK -> ACK BER、摒棄之CQIs、正確但被摒棄之 CQIs以及錯誤但卻未摒棄之cqis,該圖示也包含up BER ’其係1 0位元長度(^1字元之第一位元,且指示該建議 調變格式(不是QPSK就是QAM)。該圖示顯示出該單一位元 之BER,該RTBS包含其他九個在該CQI字元之資訊位元,且 其表示該建議傳輸區塊設定,其係在該HS-DSCiI傳輸區塊 中資訊位元的數量,其係應該被送出之該界丁㈣建議,該圖 示顯示出這九個位元之該字元錯誤率(WER),其指出九個 RTBS位元只少有一錯誤的機率。 下述的言論可由第四圖和第五圖得知:1 )該 ACK/NACK平穩判定門檻值係為〇. 1 *信號振幅;2)摒棄一 CQ I的標準,包含在振幅上該最高/第二高關聯性波峰小於 1分貝’ 3 )錯誤的c Q I s能立即地被偵測;以及4 ) 「正確 的CQIs被錯誤地摒棄」與「錯誤的⑶。未被摒棄」之比例 能輕易地衡量以達到目標錯誤值。 因此,一個進步的CQI範圍編碼可藉由本發明而達 成,根據前述方法,當HS-SICH攜帶ACK/NACK以及該CQI被 接收了,並沒有裝置可瞭解是否該接收之HS —SICH範圍(不 疋该ACK/NACK就是該CQI)是否是在錯誤狀態接收,因為其 ^沒有CRC,如果該ACK/NACK係於錯誤狀態被接收,而該、 即點B並未瞭解這點,舉例來說,該節點B可能重新發送一 封包,其係已經成功地於該WTRU接收或摒棄(未發送)一封 包,其係應該已經被發送,而該訂R U等候一延長時間,而
第18頁 1262730 五、發明說明(14) " -- 該封包將&永遠不會到達且該記憶體就會延遲。根據本發明 之C Q I可罪性偵測允許該節點b指示哪個接收η ς _ g I c η ς | 可靠的而能繼續適當地動作,就像是重新發送,=疋 ^ 了時時合理地確保(當接收〈該例之1%)該以—SICH係為可 靠的,該HS-SICH需要於一高SNR值下被接收,這表示該 WTRU必須於一高功率發送,因為該”㈣並不具有那麼多功 率且可能要讓涵蓋區域達到最大值,該WTRU發送功率必須 足夠以符合平均〇· 1之HS —SICH BER,所提出之⑶^可靠性、 偵測方法經由報告該c Q I提供給該節點B、追縱該現行發送 功率設定於該WTRU之裝置以及調整該功率設定之裝置。 除此之外,可靠性偵測方法也能用以提供指示器給 HSDPA 基地台,及在 HS —SICH / HS —DPCCH 表現的 報告’以警告該HSDPA基地台該CQI值可能是錯誤的,透過 來自該HSDPA基地台經由該I Ub / I ur網路介面傳至rnc的訊 息以警告該傳遞到S I R可能不適當亦成為可能。簡單的統 計資料係被提供,例如有多少接收自一特定WTRU之接收 HS-SICHs係基於CQI路由計量值而被宣稱是錯誤的,有多 少總H S - S I C H s係於同樣的時期内被接收,以及有多少η I 一 SICHs係被宣稱根本不需要被送出,這些功能通常由一 [Re 提供,而現在因為基於平穩判定路由計量器之該Cq丨可靠 性測試而成為可能。 根據本發明一特定的目的,新訊息係被加至該 I ub/ I ur網路介面以定義一傳輸發生不合格的數量,以及 發生無徵兆接收之數量’亦即報告一特定的已經送出
1262730 五、發明說明(15) X連續的UL HS-SICH訊息而沒有錯誤被報告。 根據有關一特定WTRU或HS-SICH頻道之CQI不合格指示 器一預設數量之接收,不是該HSDPA基地台就是該RNC能採 取適當的措施,例如改變該WTRU或該HS-SICH頻道之該功 率控制參數,或是摒棄CQIs,以及使用前述DL HSDPA發送 之CQ I報告。在本發明的一實施例中(示於第一圖),計數 係在2 0 0毫秒時間間隙内執行,在每一訊框中(其係1 〇毫秒 長),至多只會有一 HS-SICH從一 WTRU被接收,因此至多在 2 0 0毫秒内只有20 HS-SICHs,所有計數器係被定義由〇… 20(總接收 HS-SICHs、錯誤 HS —SICHs 及漏失 HS —SICHs)。 即便上述之範例係針對HSDPA TDD,本發明同樣地亦 可適用於HSDPA FDD和其他發送形式,用以獲得改善CQi可 靠性债測及增進外迴路功率控制,儘f本發明之特定實施 例已經揭示和描述,熟習此技藝者在不脫離本發明之範 下依然可做許多修改和蠻仆,p、十、4斗、+ A、 ,、 又化上述描述僅是用以說明而並 非以任何方式限定本發明。
第20頁 1262730 圖式簡單說明 第一圖係為根據本發明之方法之流程圖,其係適用於FDD 和 T D D 〇 第二圖係為根據本發明方法之一實施例之流程圖,其係適 用於FDD和TDD。 第三圖所示為CQI可靠性偵測之一實施例,其係適用於FDD 和 T D D 〇 第四圖係為一圖式,其係附加的白高斯雜訊(AWGN)頻道 HS-SICH成果,其係來自TDD模擬。 第五圖係為一圖式,其係WG4測試案例2頻道HS-SICH成 果,係來自TDD模擬。 元件符號說明: 102 初始化時間間隙時時器和計數器 106、206 Reed-Muller 解碼器 20 2 初始化計數器
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Claims (1)
- 年 月 修正 m ». 92133945 it 六 '、,辛每奪-利儀rJ] L 一種用以改善在一無線通訊網路中一頻道品質指示器 '(C Q I )訊息之可靠性方法,其步驟係包含: - a )接收該C Q I訊息, b )解碼該C Q I訊息, c )計算在該C Q I訊息中每一符號之一判定路由計量 值; d )判定一最大之判定路由計量值; e )判定一第二大之判定路由計量值;以及 f )藉由比較由步驟d )和e )所獲得之值以判定該CQ I訊 息之可靠性。 2.如申請專利範圍第1項所述之方法,其步驟更包含: g)計數在一時間間隙内所接收之錯誤C Q I訊息之數 曰 · 虿 , h )在時間間隙結束時,比較該錯誤C Q I訊息之數量與 一門檻值;以及 1 )如果該錯誤CQ I訊息之數量超越該門檻值,則發送 一無線網路控制器信號以調整一無線發送/接收單位之發 送功率,其係送出該C Q I訊息。 3 .如申請專利範圍第1項所述之方法,其步驟更包含: g )計數所接收之錯誤C Q I訊息之數量; h )比較該錯誤C Q I訊息之數量與一門櫪值;以及 1 )如果該錯誤C Q I訊息之數量超越該門檻值,則發送 一無線網路控制器信號以調整一無線發送/接收單位之發 送功率,其係送出該C Q I訊息;以及第22頁 1262730 —r q p _號 92133945_年月日__ 六、申請專利.耗圍 j )如果該錯誤C Q I s之數量沒有超越該門檻值,則從步 _ a )開始重複該方法以進行下一個CQ I。 -4 .如申請專利範圍第1項所述之方法,其步驟更包含: g )當該比較無法符合一所給予之標準時,摒棄該C Q I 訊息。 5 ·如申請專利範圍第4項所述之方法,其中該步驟(g )中 之標準係為該最大判定路由計量值與該第二大判定路由計 量值之間的差異是否小於一預設值。 6 .如申請專利範圍第5項所述之方法,其中該預設值係介 於0分貝及2分貝之間。 7.如申請專利範圍第5項所述之方法,其中該預設值係小 於1分貝。 8 .如申請專利範圍第4項所述之方法,其中該步驟(g )中 之標準係為該第二大判定路由計量值與該最大判定路由計 量值之比值的差異是否大於一預設值。 9 .如申請專利範圍第1項所述之方法,其步驟更包含: g)週期性地經由一 I u b訊息報告在一固定時間週期内 CQ I訊息接收之總數量、錯誤CQ I訊息接收之數量以及CQ I 訊息漏失之數量。 1 0 . —種用以改善一接收訊息可靠性之方法,其係表示在 一無線通訊系統中一發送頻道之品質,其步驟係包含: a)從一無線發送和接收單位(WTRU)接收一頻道品質 指示器(C Q I )訊息;第23頁 I號 92133945 年 月 修正 b )解碼該CQ I訊息; c )獲得至少二不同值 其係表示該解碼之CQ I訊息 以及 d )比較該至少二值以判定該CQ I訊息之可靠性。 1 1 .如申請專利範圍第1 0項所述之方法,其步驟更包含: e )基於該步驟(d )的結果採取一行動。 1 2 .如申請專利範圍第1 1項所述之方法,其中步驟(e )包 含提供外迴路功率控制。 1 3 .如申請專利範圍第1 0項所述之方法,其中步驟(C )包 含取得該至少二值當作表示一判定路由計量值之一最大量 及該判定路由計量值之一第二大量。 1 4 .如申請專利範圍第1 3項所述之方法,其中步驟(d )包 含計算具有該最大量之判定路由計量值及具有該第二大量 之判定路由計量值之間的差異,其係以分貝為單位。 1 5 .如申請專利範圍第1 0項所述之方法,其中步驟(d )包 含計算具有該最大量之判定路由計量值之該能量與所有其 他判定路由計量值之能量總和之比值。 1 6 . —種用以判定在一無線通訊系統中一發送頻道之品質 之系統,其包含: 其包含產生裝置用以產 至少一無線發送和接收單位 生一頻道品質指示器(C Q I ); 一基地台,其包含: 接收裝置用以接收該C Q I ; 解碼裝置用以解碼該C Q I,第24頁 I26lf30 ,案號 92133945 年 月 曰 修正 六、' 申請專利範圍 計算裝置用以計算該解碼之CQ I之一第一判定路由 奸量值及一第二判定路由計量值 - 比較裝置用以比較該第一 以判定該C Q I是否包含一錯誤。 1 7 .如申請專利範圍第1 6項所述 ;以及 和該第二判定路由計量值 置用 收之 18. 包含 19. 包含20. 第二 第二 21 . 包含 22. 包含 23. 送頻 豆呈 地台 以執行一動作,其係回應 之系統,其更包含動作裝 特定數量由該基地台所接 C Q I錯誤。 如申請專利 用以提供外 如申請專利 計算裝置, 如申請專利 判定路由計 大判定路由 如申請專利 計算該第一 如申請專利 計算該第一 一種基地台 道之品質, 有產生裝置 係包含: 接收裝置用 解碼裝置用 範圍第 迴路功 範圍第 其係用 範圍第 量值係 計量值 範圍第 和該第 範圍第 和該第 ,其係 該糸統 用以產 之系統,其中該動作裝置 裝置。 1 6項所述之系統,其中該產生裝置 以計算一下行通路之信號干擾比。 1 6項所述之系統,其中該第一和該 分別為一最大判定路由計量值及一 〇 1 6項所述 二判定路 1 6項所述 二判定路 用以判定 包含至少 生一頻道 1 7項所述 率控制之 以接收該C Q I ; 以解碼該C Q I ; 之系統,其中該比較裝置 由計量值之一比值。 之系統,其中該比較裝置 由計量值之間之一差異。 在一無線通訊系統中一發 一無線發送和接收單位, 品質指示器(C Q I ),該基第25頁 案號 92133945 年 月 修正 —备'、...._谱寿种翁τ S 計算裝置用以計算該解碼之C Q I之一第一判定路由計 畺值及一第二判定路由計量值;以及 - 比較裝置用以比較該第一判定路由計量值及該第二判 定路由計量值以判定該C Q I是否包含一錯誤。 2 4 .如申請專利範圍第2 3項所述之基地台,其更包含動作 裝置用以執行一動作,其係回應一特定數量由該基地台所 接收之CQ I錯誤。 2 5 ·如申請專利範圍第2 4項所述之基地台,其中該動作裝 置包含用以提供外迴路功率控制之裝置。 2 6 ·如申請專利範圍第2 3項所述之基地台,其中該第一和 該第二判定路由計量值係分別為一最大判定路由計量值及 一第二大判定路由計量值。 2 7 .如申請專利範圍第2 3項所述之基地台,其中該比較裝 置包含計算該第一和該第二判定路由計量值之一比值。 2 8 .如申請專利範圍第2 3項所述之基地台,其中該比較裝 置包含計算該第一和該第二判定路由計量值之間之一差 異。 29. —種積體電路,其包含: 一輸入配置以接收一頻道品質指示器(CQ I )訊息; 解碼裝置用以解碼該CQ I訊息; 計算裝置用以計算該解碼之C Q I之一第一判定路由計 量值及一第二判定路由計量值;以及 比較裝置用以比較該第一和第二判定路由計量值以判 定該C Q I訊息是否包含一錯誤。第26頁 ^r 廿 ff 案號 92133945 年 月 修正 '.六..'-'、.申…請專'利ι_ 3 CK如申請專利範圍第2 9項所述之積體電路,其中該第一 和該第二判定路由計量值係分別為一最大判定路由計量值 及一第二大判定路由計量值。 3 1 .如申請專利範圍第2 9項所述之積體電路,其中該比較 裝置包含計算該第一和該第二判定路由計量值之一比值。 3 2 .如申請專利範圍第2 9項所述之積體電路,其中該比較 裝置包含計算該第一和該第二判定路由計量值之間之一差 異 ◦ 33. —種積體電路,其包含: 一輸入配置以接收一頻道品質指示器(C Q I )訊息; 一 Reed-Mulle r解碼器以解碼該C Q I訊息; 第 計 判 比 定路由計 3 4.如申 和該第二 及一第二 3 5 .如申 判定路由 之一比值 如申 36. 判定 間之 路由 一差 算判定路由計量值裝置用以計算該解碼之CQ I之 定路由計量值及一第二判定路由計量值;以及 較判定路由計量值裝置用以比較該第一和第二判 量值以判定該C Q I訊息是否包含一錯誤。 請專利範圍第3 3項所述之積體電路,其中該第一 判定路由計量值係分別為一最大判定路由計量值 大判定路由計量值。 請專利範圍第3 3項所述之積體電路,其中該比較 計量值裝置計算該第一和該第二判定路由計量值 〇 請專利範圍第3 3項所述之積體電路,其中該比較 計量裝置計算該第一和該第二判定路由計量值之 異 。第27頁
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI384799B (zh) * | 2008-01-28 | 2013-02-01 | Lg Electronics Inc | 配置物理混合自動重覆請求指示頻道 |
Families Citing this family (137)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
US7245598B2 (en) * | 2002-02-21 | 2007-07-17 | Qualcomm Incorporated | Feedback of channel quality information |
KR20030092894A (ko) * | 2002-05-31 | 2003-12-06 | 삼성전자주식회사 | 고속 순방향 패킷 접속 방식을 사용하는 통신 시스템에서순방향 채널 품질을 보고하기 위한 채널 품질 보고 주기결정 장치 및 방법 |
TWI342686B (en) * | 2002-12-04 | 2011-05-21 | Interdigital Tech Corp | Reliability detection of channel quality indicator (cqi) and application to outer loop power control |
EP1593222A1 (de) * | 2003-02-14 | 2005-11-09 | Siemens Aktiengesellschaft | Verfahren zur datenübertragung |
US8018902B2 (en) * | 2003-06-06 | 2011-09-13 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for channel quality indicator determination |
US20050022101A1 (en) * | 2003-07-21 | 2005-01-27 | Peter Malm | Fast iteration termination of Turbo decoding |
GB2405289B (en) * | 2003-08-20 | 2006-10-25 | Ipwireless Inc | Method,base station,remote station and system for HSDPA communication |
US7688766B2 (en) * | 2003-09-17 | 2010-03-30 | Intel Corporation | Modulation scheme for orthogonal frequency division multiplexing systems or the like |
US7310499B2 (en) * | 2004-02-17 | 2007-12-18 | Telefonktiebolaget Lm Ericsson (Publ) | Method, apparatus and system for handling unreliable feedback information in a wireless network |
WO2005112296A2 (en) * | 2004-04-29 | 2005-11-24 | Interdigital Technology Corporation | Wireless communication method and system for configuring radio access bearers for enhanced uplink services |
FI20040865A0 (fi) * | 2004-06-21 | 2004-06-21 | Nokia Corp | Tiedonsiirto tietoliikennejärjestelmässä |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US7317702B2 (en) * | 2004-07-30 | 2008-01-08 | Lucent Technologies Inc. | Method and apparatus for enhancing performance of channel quality indicator (CQI) channel in wireless communications system |
US7864659B2 (en) * | 2004-08-02 | 2011-01-04 | Interdigital Technology Corporation | Quality control scheme for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems |
US7721179B2 (en) | 2004-09-15 | 2010-05-18 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding/decoding transmission information in mobile telecommunication system |
CN100411476C (zh) * | 2004-09-20 | 2008-08-13 | 华为技术有限公司 | 一种宽带码分多址系统中上行增强链路信令编码方法 |
US9084199B2 (en) * | 2004-09-30 | 2015-07-14 | Alcatel Lucent | Utilization of overhead channel quality metrics in a cellular network |
US7817972B2 (en) * | 2004-10-29 | 2010-10-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and arrangement for mutual information based power control |
US7492722B2 (en) * | 2004-11-04 | 2009-02-17 | Interdigital Technology Corporation | Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate |
JP4457867B2 (ja) * | 2004-11-25 | 2010-04-28 | 富士通株式会社 | 無線通信装置、移動局 |
ATE484167T1 (de) * | 2004-12-03 | 2010-10-15 | Ericsson Telefon Ab L M | Einstellen einer aufwärtsstrecken- übertragungsratengrenze für über einen gemeinsam benutzten schnellen abwärtstreckenkanal sendende mobile endgeräte |
US20080139235A1 (en) * | 2004-12-22 | 2008-06-12 | Claes Tidestav | Method and Arrangement for Improved Outer Loop Power Control |
JP4528193B2 (ja) * | 2004-12-24 | 2010-08-18 | 富士通株式会社 | 誤り訂正復号方法、通信装置、及び、デジタル伝送システム |
RU2396711C2 (ru) | 2005-01-06 | 2010-08-10 | Эл Джи Электроникс Инк. | Улучшения системы высокоскоростной пакетной передачи данных по восходящей линии связи |
US8169892B2 (en) | 2005-02-08 | 2012-05-01 | Nokia Corporation | HARQ failure indication over IUB-interface |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
CN101151814A (zh) * | 2005-04-08 | 2008-03-26 | 皇家飞利浦电子股份有限公司 | 基于多用户检测的功率控制以及链路自适应方案 |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US7424071B2 (en) * | 2005-06-27 | 2008-09-09 | Icera Inc. | Decoder and a method for determining a decoding reliability indicator |
GB2428936B (en) * | 2005-08-01 | 2008-01-16 | Toshiba Res Europ Ltd | Wireless communications apparatus |
JPWO2007015529A1 (ja) * | 2005-08-03 | 2009-02-19 | パナソニック株式会社 | 基地局装置、通信端末装置、およびマルチキャリア通信方法 |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
CN101243624A (zh) * | 2005-08-18 | 2008-08-13 | 松下电器产业株式会社 | 无线通信终端装置和信道质量标识符选择方法 |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
EP2369761B1 (en) | 2005-08-24 | 2020-11-25 | InterDigital Technology Corporation | Method and apparatus for adjusting channel quality indicator feedback period to increase uplink capacity |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US8503356B2 (en) * | 2005-08-26 | 2013-08-06 | Interdigital Technology Corporation | Wireless communication method and apparatus for selecting cells in an OFDMA system |
KR101119281B1 (ko) | 2005-08-29 | 2012-03-15 | 삼성전자주식회사 | 무선 통신 시스템에서 채널 품질 정보 피드백 장치 및방법과 이를 이용한 스케줄링 장치 및 방법 |
US7672256B2 (en) * | 2005-08-29 | 2010-03-02 | Interdigital Technology Corporation | Wireless communication method and apparatus for generating a serving grant based on a received relative grant |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
US7680125B2 (en) * | 2005-10-19 | 2010-03-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Scheduling packet data transmissions in a packet data network based on early decoded channel feedback reports |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
JP2007129672A (ja) * | 2005-11-02 | 2007-05-24 | Ntt Docomo Inc | 無線アクセスネットワーク装置、移動局及びハンドオーバ制御方法 |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
KR20070054969A (ko) * | 2005-11-24 | 2007-05-30 | 삼성전자주식회사 | 빔포밍을 적용한 통신 시스템에서 데이터 전송 방법 및장치 |
RU2383995C1 (ru) * | 2005-12-23 | 2010-03-10 | Самсунг Электроникс Ко., Лтд. | Способ и устройство для представления данных индикатора качества канала |
JP2007195076A (ja) * | 2006-01-20 | 2007-08-02 | Nec Corp | 無線通信システムとその送信電力制御方法および装置 |
TWI401931B (zh) * | 2006-02-08 | 2013-07-11 | Lg Electronics Inc | 在行動通訊系統中傳輸通道品質資訊的方法 |
US8045992B2 (en) * | 2006-03-20 | 2011-10-25 | Intel Corporation | Uplink and downlink control signaling in wireless networks |
CN101047471B (zh) * | 2006-05-23 | 2010-06-16 | 华为技术有限公司 | 一种反馈控制方法及系统 |
JP4812532B2 (ja) * | 2006-06-16 | 2011-11-09 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局装置および基地局装置並びに下りリソース割り当て方法 |
WO2008023922A1 (en) * | 2006-08-22 | 2008-02-28 | Electronics And Telecommunications Research Institute | Method for retransmitting packets in mimo system |
US7623597B2 (en) * | 2006-08-28 | 2009-11-24 | Motorola, Inc. | Block codeword decoder with confidence indicator |
US20080063095A1 (en) * | 2006-09-08 | 2008-03-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Rate Control with Imperfect Feedback |
KR101245475B1 (ko) * | 2006-11-03 | 2013-03-25 | 엘지전자 주식회사 | 감소된 채널 품질 정보 귀환 방법 |
US8150441B2 (en) | 2006-11-06 | 2012-04-03 | Magnolia Broadband Inc. | Modifying a signal by controlling transmit diversity parameters |
US8027374B2 (en) * | 2006-12-27 | 2011-09-27 | Magnolia Broadband Inc. | Method, system and apparatus for transmit diversity control |
WO2008103085A1 (en) * | 2007-02-20 | 2008-08-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Transmission power control in hspda |
JP5042320B2 (ja) | 2007-03-29 | 2012-10-03 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムにおけるサウンディング基準信号伝送方法 |
MY148998A (en) | 2007-04-30 | 2013-06-28 | Interdigital Tech Corp | Feedback signaling error detection and checking in mimo wireless communication systems |
US8750917B2 (en) | 2007-05-18 | 2014-06-10 | Qualcomm Incorporated | Multiplexing and power control of uplink control channels in a wireless communication system |
KR101329854B1 (ko) | 2007-06-05 | 2013-11-14 | 엘지전자 주식회사 | 다중안테나 시스템에서의 제어정보 전송방법 |
US8599819B2 (en) | 2007-06-19 | 2013-12-03 | Lg Electronics Inc. | Method of transmitting sounding reference signal |
CA2695154C (en) * | 2007-08-10 | 2016-03-01 | Fujitsu Limited | Error detection on downlink data in a radio communication system |
EP2180629B1 (en) | 2007-08-14 | 2017-11-29 | LG Electronics Inc. | Method for acquiring resource region information for PHICH and method of receiving PDCCH |
WO2009022790A1 (en) | 2007-08-14 | 2009-02-19 | Lg Electronics Inc. | Method of transmitting data in a wireless communication system |
KR101350670B1 (ko) * | 2007-08-14 | 2014-01-10 | 엘지전자 주식회사 | Tdd에 기반한 무선통신 시스템에서 데이터 전송 방법 |
KR101397039B1 (ko) | 2007-08-14 | 2014-05-20 | 엘지전자 주식회사 | 전송 다이버시티를 사용하는 다중안테나 시스템에서 채널예측 오류의 영향을 감소시키기 위한 cdm 방식 신호전송 방법 |
KR101507785B1 (ko) | 2007-08-16 | 2015-04-03 | 엘지전자 주식회사 | 다중 입출력 시스템에서, 채널품질정보를 송신하는 방법 |
KR101405974B1 (ko) | 2007-08-16 | 2014-06-27 | 엘지전자 주식회사 | 다중입력 다중출력 시스템에서 코드워드를 전송하는 방법 |
ATE539588T1 (de) | 2007-08-16 | 2012-01-15 | Panasonic Corp | Signalisierung und abbildung von messberichten |
TWI504190B (zh) | 2007-10-29 | 2015-10-11 | Interdigital Patent Holdings | Cell-fach狀態中偵測增強專用頻道傳輸無線連結失敗方法與裝置 |
EP2206270B1 (en) * | 2007-11-01 | 2018-01-10 | Thomson Licensing | A method and apparatus for streaming scalable multimedia data streams |
WO2009084927A1 (en) * | 2008-01-03 | 2009-07-09 | Lg Electronics Inc. | Method for packet retransmission employing feedback information |
KR100913099B1 (ko) | 2008-01-07 | 2009-08-21 | 엘지전자 주식회사 | 분산형 가상자원블록 스케쥴링 방법 |
US8345794B2 (en) * | 2008-04-29 | 2013-01-01 | Qualcomm Incorporated | Encoded control channel information interleaving |
CN101610523B (zh) * | 2008-06-20 | 2011-06-08 | 大唐移动通信设备有限公司 | 一种时分双工系统中上报信道信息的方法和系统 |
KR20100024072A (ko) * | 2008-08-25 | 2010-03-05 | 주식회사 포스코아이씨티 | 채널품질 정보 확인 방법과 이를 지원하는 기지국 |
US8699412B2 (en) | 2009-01-05 | 2014-04-15 | Qualcomm Incorporated | Method and apparatus for cell barring in a wireless communication system |
KR20100097830A (ko) * | 2009-02-27 | 2010-09-06 | 삼성전자주식회사 | 무선통신 시스템에서 채널품질지시 정보 검출 장치 및 방법 |
JP5262894B2 (ja) * | 2009-03-24 | 2013-08-14 | 富士通株式会社 | 無線通信システムにおける復号誤り検出方法および復号装置 |
WO2010110494A1 (en) * | 2009-03-27 | 2010-09-30 | Nec Corporation | Harq indicator determination |
US8565143B2 (en) | 2009-10-16 | 2013-10-22 | At&T Mobility Ii, Llc | Dynamic content distribution in mobile telecommunications network |
US8867494B2 (en) * | 2009-11-09 | 2014-10-21 | Qualcomm Incorporated | System and method for single frequency dual cell high speed downlink packet access |
US8849337B2 (en) * | 2010-02-22 | 2014-09-30 | Qualcomm Incorporated | Controlling access point transmit power based on event-triggered access terminal messaging |
US8903448B2 (en) | 2010-02-22 | 2014-12-02 | Qualcomm Incorporated | Controlling access point transmit power based on access terminal ranking |
WO2012144709A1 (ko) * | 2011-04-20 | 2012-10-26 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 품질 지시자 보고 방법 및 장치 |
US9769763B2 (en) * | 2011-04-26 | 2017-09-19 | Telefonaktiebolaget L M Ericsson | Nodes and method for power control |
US9107091B2 (en) * | 2011-05-23 | 2015-08-11 | Mediatek Inc. | Method and apparatus reporting channel quality indicator of communication system |
CN103002556B (zh) * | 2011-09-13 | 2015-07-22 | 中磊电子(苏州)有限公司 | 功率控制方法及无线网络控制器 |
US9282473B2 (en) | 2012-06-07 | 2016-03-08 | Samsung Electronics Co., Ltd. | Wireless communication system with channel-quality indicator mechanism and method of operation thereof |
US9432096B2 (en) * | 2012-08-02 | 2016-08-30 | Nokia Solutions And Networks Oy | Dual codeword re-transmission |
WO2014040655A1 (en) * | 2012-09-17 | 2014-03-20 | Nokia Siemens Networks Oy | Estimation and feedback of csi reliability information |
US8976904B2 (en) * | 2012-09-28 | 2015-03-10 | Intel Corporation | Automated erasure slicer threshold control and modification of symbol estimates to be erased |
US20140098692A1 (en) * | 2012-10-10 | 2014-04-10 | Qualcomm Incorporated | Scheduling inter-radio access technology (irat) measurement during continuous data transmission |
FR3001055B1 (fr) * | 2013-01-16 | 2015-01-02 | Thales Sa | Systeme de capteurs integres en suite |
CN103199957B (zh) * | 2013-02-18 | 2015-12-02 | 大唐移动通信设备有限公司 | 一种高速共享信息信道译码的处理方法和系统 |
WO2014194534A1 (zh) | 2013-06-08 | 2014-12-11 | 华为技术有限公司 | 一种信道质量指示及调制编码方案的通知方法、装置 |
US9712310B2 (en) * | 2013-10-23 | 2017-07-18 | Futurewei Technologies, Inc. | System and method for channel quality indicator and acknowledgement joint detection |
CN103675411B (zh) * | 2013-12-30 | 2016-03-16 | 安徽江淮汽车股份有限公司 | 一种电动汽车用电机控制器的电压检测方法及系统 |
EP2914039A1 (de) | 2014-02-26 | 2015-09-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Datensendeanordnung, Datenempfänger und Verfahren zum Betreiben derselben |
JP2016052001A (ja) * | 2014-08-29 | 2016-04-11 | 富士通株式会社 | 無線通信装置、切替方法、及び無線通信システム |
CN106330387B (zh) * | 2015-06-18 | 2019-12-03 | 展讯通信(上海)有限公司 | 质量反馈方法及用户设备 |
US10116430B1 (en) * | 2016-09-01 | 2018-10-30 | Xilinx, Inc. | Alignment marker independent data alignment for a receiver |
EP3361790B1 (en) * | 2017-02-14 | 2019-12-04 | Intel IP Corporation | User equipment with adaptive transmission power scaling based on decoding confidence |
CN109391987A (zh) * | 2017-08-14 | 2019-02-26 | 大唐移动通信设备有限公司 | 基站故障后自动下电恢复方法及装置 |
JP6977470B2 (ja) * | 2017-10-19 | 2021-12-08 | 株式会社デンソー | 復号装置 |
CN112154686A (zh) * | 2018-05-18 | 2020-12-29 | 上海诺基亚贝尔股份有限公司 | 用于执行无线通信的方法和装置 |
EP3847771A1 (en) * | 2018-09-06 | 2021-07-14 | Nokia Solutions and Networks Oy | Acqi decoding confidence detection |
US11122442B2 (en) | 2018-12-11 | 2021-09-14 | At&T Intellectual Property I, L.P. | Transferring coverage enhancement information from terminal adapter to terminal equipment |
US11924770B2 (en) * | 2021-07-02 | 2024-03-05 | Qualcomm Incorporated | Enhanced uplink power control with lookahead |
Family Cites Families (84)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6235729A (ja) * | 1985-08-08 | 1987-02-16 | Nec Corp | デイジタル回線瞬断分析器 |
US4893248A (en) * | 1987-02-06 | 1990-01-09 | Access Corporation | Monitoring and reporting system for remote terminals |
DE3822263A1 (de) * | 1988-07-01 | 1990-01-04 | Philips Patentverwaltung | Schaltungsanordnung zum uebertragen von informationen |
US5507035A (en) * | 1993-04-30 | 1996-04-09 | International Business Machines Corporation | Diversity transmission strategy in mobile/indoor cellula radio communications |
GB2280570B (en) * | 1993-07-31 | 1998-04-01 | Motorola Ltd | A communications system |
US5539780A (en) | 1993-10-28 | 1996-07-23 | Motorola, Inc. | Computationally efficient data decoder and method used therein |
US5469471A (en) | 1994-02-01 | 1995-11-21 | Qualcomm Incorporated | Method and apparatus for providing a communication link quality indication |
EP1670157B1 (en) * | 1994-02-09 | 2010-12-22 | Ntt Docomo, Inc. | Method and system for CDMA mobile communication |
FI941268A (fi) * | 1994-03-17 | 1995-09-18 | Nokia Telecommunications Oy | Menetelmä vastaanotetun tehon arvioimiseksi sekä vastaanotin |
FI98427C (fi) * | 1994-06-08 | 1997-06-10 | Nokia Mobile Phones Ltd | Järjestelmäpakettidatan siirtämiseksi eri bittinopeuksilla TDMA-solukkojärjestelmässä |
US5627834A (en) * | 1994-12-19 | 1997-05-06 | Electronics And Telecommunications Research Institute | Code division multiple access (CDMA) automatic call simulator |
US5642377A (en) * | 1995-07-25 | 1997-06-24 | Nokia Mobile Phones, Ltd. | Serial search acquisition system with adaptive threshold and optimal decision for spread spectrum systems |
JP2950209B2 (ja) * | 1995-08-21 | 1999-09-20 | 日本電気株式会社 | ファクシミリ装置およびファクシミリ通信方法 |
JP2980549B2 (ja) * | 1996-03-19 | 1999-11-22 | エヌ・ティ・ティ移動通信網株式会社 | 移動通信システムにおける有線回線情報伝送方法および基地局装置と移動局装置 |
US5778317A (en) * | 1996-05-13 | 1998-07-07 | Harris Corporation | Method for allocating channels in a radio network using a genetic algorithm |
US6130602A (en) * | 1996-05-13 | 2000-10-10 | Micron Technology, Inc. | Radio frequency data communications device |
JPH09312604A (ja) * | 1996-05-21 | 1997-12-02 | Oki Electric Ind Co Ltd | 間欠送信制御装置 |
US5757846A (en) * | 1996-08-30 | 1998-05-26 | Vasudevan; Subramanian | CDMA communication system and method with dual-mode receiver |
US6289037B1 (en) * | 1997-02-24 | 2001-09-11 | At&T Wireless Services Inc. | Out of channel cyclic redundancy code method for a discrete multitone spread spectrum communications system |
US5930248A (en) * | 1997-03-04 | 1999-07-27 | Telefonaktiebolaget Lm Ericsson | Radio communication system selectively using multicast with variable offset time |
US5889772A (en) * | 1997-04-17 | 1999-03-30 | Advanced Micro Devices, Inc. | System and method for monitoring performance of wireless LAN and dynamically adjusting its operating parameters |
US6396867B1 (en) * | 1997-04-25 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for forward link power control |
JPH10303867A (ja) * | 1997-04-25 | 1998-11-13 | Nec Corp | Uasカウント方法と回路 |
JP3094957B2 (ja) * | 1997-06-30 | 2000-10-03 | 日本電気株式会社 | 移動通信システムの上り選択サイトダイバーシチにおける無線基地局受信データ伝送システム |
US5946346A (en) * | 1997-10-07 | 1999-08-31 | Motorola, Inc. | Method and system for generating a power control command in a wireless communication system |
US6185432B1 (en) * | 1997-10-13 | 2001-02-06 | Qualcomm Incorporated | System and method for selecting power control modes |
JP3981475B2 (ja) * | 1998-01-26 | 2007-09-26 | 松下電器産業株式会社 | 通信端末装置、基地局通信装置及び無線通信システム |
US6161201A (en) * | 1998-02-26 | 2000-12-12 | 3Com Corporation | Method and apparatus for concurrent interaction with a modem having an open connection |
KR100317011B1 (ko) * | 1998-09-07 | 2001-12-22 | 마츠시타 덴끼 산교 가부시키가이샤 | 통신 단말 장치, 기지국 통신 장치 및 무선 통신 방법 |
JP3358565B2 (ja) * | 1998-11-02 | 2002-12-24 | 日本電気株式会社 | 送信電力制御方法、送信電力制御装置、移動局、基地局及び制御局 |
US6542730B1 (en) * | 1998-11-06 | 2003-04-01 | Aeris.Net | System and method for disabling a cellular phone |
ES2229559T3 (es) * | 1998-12-18 | 2005-04-16 | Nokia Corporation | Metodo para el control de la carga de trafico en una red de telecomunicaciones. |
GB9904351D0 (en) * | 1999-02-26 | 1999-04-21 | Koninkl Philips Electronics Nv | Communication channel quality indicator |
KR100697756B1 (ko) * | 1999-04-26 | 2007-03-21 | 소니 가부시끼 가이샤 | 광 디스크 및 그 제조 방법 |
CN1139199C (zh) * | 1999-05-26 | 2004-02-18 | 皇家菲利浦电子有限公司 | 无线电通信系统中的闭环功率控制 |
US6442157B1 (en) * | 1999-09-23 | 2002-08-27 | Nortel Networks Limited | System and method for quality-driven channel selection in a communication network |
US6732302B1 (en) * | 1999-09-30 | 2004-05-04 | Telefonaktiebolaget Lm Ericcson (Publ) | Blind rate detection in a multiplexed transmission system |
US7020697B1 (en) * | 1999-10-01 | 2006-03-28 | Accenture Llp | Architectures for netcentric computing systems |
DE60044759D1 (de) * | 1999-11-18 | 2010-09-09 | Lg Electronics Inc | Verfahren zur Kodierung und Übertragung von Formatkombinationsindikatoren |
US7590095B2 (en) * | 2000-02-14 | 2009-09-15 | Qualcomm Incorporated | Method and apparatus for power control of multiple channels in a wireless communication system |
US6944449B1 (en) | 2000-05-30 | 2005-09-13 | Lucent Technologies Inc. | Method and system for controlling access of a subscriber station to a wireless system |
KR20090071626A (ko) * | 2000-07-26 | 2009-07-01 | 인터디지탈 테크날러지 코포레이션 | 가변 다중 속도 통신 시스템용 고속 적응 전력 제어 방법 및 시스템 |
US7108674B2 (en) * | 2000-08-30 | 2006-09-19 | Radius International Limited Partnership | Catheter |
US6714794B1 (en) * | 2000-10-30 | 2004-03-30 | Motorola, Inc. | Communication system for wireless communication of content to users |
US6748234B1 (en) * | 2000-11-21 | 2004-06-08 | Qualcomm Incorporated | Method and apparatus for power control in a wireless communication system |
US6850736B2 (en) | 2000-12-21 | 2005-02-01 | Tropian, Inc. | Method and apparatus for reception quality indication in wireless communication |
US7085239B2 (en) * | 2001-01-05 | 2006-08-01 | Qualcomm, Incorporated | Method and apparatus for determining the forward link closed loop power control set point in a wireless packet data communication system |
US6763244B2 (en) * | 2001-03-15 | 2004-07-13 | Qualcomm Incorporated | Method and apparatus for adjusting power control setpoint in a wireless communication system |
CA2380039C (en) * | 2001-04-03 | 2008-12-23 | Samsung Electronics Co., Ltd. | Method of transmitting control data in cdma mobile communication system |
US7240270B2 (en) * | 2001-04-30 | 2007-07-03 | Nokia Corporation | Method of transmitting signaling messages in a mobile telecommunications network |
US6810236B2 (en) * | 2001-05-14 | 2004-10-26 | Interdigital Technology Corporation | Dynamic channel quality measurement procedure for adaptive modulation and coding techniques |
US20020184391A1 (en) * | 2001-06-05 | 2002-12-05 | Motorola, Inc. | Method and system for orderly communication of chat messages in a wirless network |
US20030039226A1 (en) * | 2001-08-24 | 2003-02-27 | Kwak Joseph A. | Physical layer automatic repeat request (ARQ) |
KR100498922B1 (ko) | 2001-08-31 | 2005-07-04 | 삼성전자주식회사 | 이동통신 시스템에서 순방향 채널의 품질정보 송수신방법및 장치 |
US7010316B2 (en) * | 2001-09-28 | 2006-03-07 | Qualcomm Incorporated | Method and apparatus for multi-channel reverse link outer-loop power control |
KR20030032875A (ko) * | 2001-10-19 | 2003-04-26 | 삼성전자주식회사 | 멀티캐스트 멀티미디어 방송 서비스를 제공하는 이동 통신시스템에서 순방향 데이터 채널 송신 전력을 제어하는장치 및 방법 |
KR100433908B1 (ko) * | 2001-10-29 | 2004-06-04 | 삼성전자주식회사 | 통신시스템의 오류 검출 정보 송수신 장치 및 방법 |
KR100770897B1 (ko) * | 2001-11-07 | 2007-10-26 | 삼성전자주식회사 | 통신 시스템에서 패킷 데이터 제어 채널의 송수신 장치 및방법 |
KR100834662B1 (ko) * | 2001-11-21 | 2008-06-02 | 삼성전자주식회사 | 부호분할 다중접속 이동통신시스템에서의 부호화 장치 및 방법 |
US7499709B2 (en) * | 2002-02-07 | 2009-03-03 | Alcatel-Lucent Usa Inc. | Method and apparatus for closed loop transmit diversity in a wireless communications system |
US7116944B2 (en) * | 2002-02-07 | 2006-10-03 | Lucent Technologies Inc. | Method and apparatus for feedback error detection in a wireless communications systems |
US7986672B2 (en) * | 2002-02-25 | 2011-07-26 | Qualcomm Incorporated | Method and apparatus for channel quality feedback in a wireless communication |
US7103325B1 (en) * | 2002-04-05 | 2006-09-05 | Nortel Networks Limited | Adaptive modulation and coding |
US6717927B2 (en) * | 2002-04-05 | 2004-04-06 | Interdigital Technology Corporation | System for efficient recovery of node B buffered data following serving high speed downlink shared channel cell change |
US7133688B2 (en) * | 2002-04-05 | 2006-11-07 | Lucent Technologies Inc. | Method for improving uplink control channel efficiency in a wireless communication system |
US7170876B2 (en) * | 2002-04-30 | 2007-01-30 | Qualcomm, Inc. | Outer-loop scheduling design for communication systems with channel quality feedback mechanisms |
US7076249B2 (en) * | 2002-05-06 | 2006-07-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for generating management data for drifting mobile radios |
TWI259674B (en) * | 2002-05-07 | 2006-08-01 | Interdigital Tech Corp | Method and apparatus for reducing transmission errors in a third generation cellular system |
GB0211005D0 (en) | 2002-05-15 | 2002-06-26 | Ipwireless Inc | System,transmitter,receiver and method for communication power control |
US20030223396A1 (en) * | 2002-05-31 | 2003-12-04 | Tsai Shiau-He Shawn | Method of indicating the forward link serving sector in high data rate CDMA systems |
US6850771B2 (en) * | 2002-06-24 | 2005-02-01 | Qualcomm Incorporated | Uplink power control |
JP2004080235A (ja) * | 2002-08-14 | 2004-03-11 | Nec Corp | セルラシステム、移動局、基地局及びそれに用いる送信電力制御方法並びにそのプログラム |
US7116651B2 (en) * | 2002-09-20 | 2006-10-03 | Nokia Corporation | Method and apparatus for HS-DPCCH signalling with activity information in HSDPA |
US7423976B2 (en) * | 2002-09-24 | 2008-09-09 | Interdigital Technology Corporation | Block error rate estimate reporting for target signal to interference ratio adjustment |
JP3512783B1 (ja) * | 2002-10-08 | 2004-03-31 | 松下電器産業株式会社 | 通信端末装置及び基地局装置 |
TWI342686B (en) * | 2002-12-04 | 2011-05-21 | Interdigital Tech Corp | Reliability detection of channel quality indicator (cqi) and application to outer loop power control |
EP1593222A1 (de) * | 2003-02-14 | 2005-11-09 | Siemens Aktiengesellschaft | Verfahren zur datenübertragung |
KR100606129B1 (ko) * | 2003-04-30 | 2006-07-28 | 삼성전자주식회사 | 광대역 무선 접속 통신 시스템에서 채널 품질 측정 및보고 방법 |
US20040246895A1 (en) * | 2003-06-09 | 2004-12-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Bandwidth-limited supervisory packet transmission to control congestion and call establishment in packet-based networks |
JP4421935B2 (ja) * | 2004-04-30 | 2010-02-24 | 株式会社エヌ・ティ・ティ・ドコモ | 無線基地局装置及び無線通信制御方法 |
EP1635592B1 (en) * | 2004-09-13 | 2007-05-23 | Alcatel Lucent | Estimation of channel quality for wireless communication network |
US8064837B2 (en) * | 2005-06-16 | 2011-11-22 | Qualcomm Incorporated | Method and apparatus for optimum selection of MIMO and interference cancellation |
US8649362B2 (en) * | 2005-11-02 | 2014-02-11 | Texas Instruments Incorporated | Methods for determining the location of control channels in the uplink of communication systems |
US20080227449A1 (en) * | 2007-03-15 | 2008-09-18 | Qualcomm Incorporated | Pich-hs timing and operation |
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US8423044B2 (en) | 2008-01-28 | 2013-04-16 | Lg Electronics Inc. | Method for allocating physical hybrid automatic repeat request indicator channel |
US9001770B2 (en) | 2008-01-28 | 2015-04-07 | Lg Electronics Inc. | Method for allocating physical hybrid automatic repeat request indicator channel |
US9276727B2 (en) | 2008-01-28 | 2016-03-01 | Lg Electronics Inc. | Method for allocating physical hybrid automatic repeat request indicator channel |
US9571254B2 (en) | 2008-01-28 | 2017-02-14 | Lg Electronics Inc. | Method for allocating physical hybrid automatic repeat request indicator channel |
US9831997B2 (en) | 2008-01-28 | 2017-11-28 | Lg Electronics Inc. | Method for allocating physical hybrid automatic repeat request indicator channel |
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