TW201246832A - Method and apparatus for providing a highly reliable ACK/NACK for time division duplex (TDD) and frequency division duplex (FDD) - Google Patents

Method and apparatus for providing a highly reliable ACK/NACK for time division duplex (TDD) and frequency division duplex (FDD) Download PDF

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Publication number
TW201246832A
TW201246832A TW101100097A TW101100097A TW201246832A TW 201246832 A TW201246832 A TW 201246832A TW 101100097 A TW101100097 A TW 101100097A TW 101100097 A TW101100097 A TW 101100097A TW 201246832 A TW201246832 A TW 201246832A
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Taiwan
Prior art keywords
data burst
communication device
division duplex
code
nack
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TW101100097A
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English (en)
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TWI479837B (zh
Inventor
Stephen G Dick
Young-Lok Kim
Nader Bolourchi
Sung-Hyuk Shin
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Interdigital Tech Corp
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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
    • H04L1/1692—Physical properties of the supervisory signal, e.g. acknowledgement by energy bursts
    • 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
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L2001/125—Arrangements for preventing errors in the return channel

Description

201246832 六、發明說明： 【發明所屬之技術領域】 本發明係關於無線通訊領域。更具體而言，本發明係關於於 回傳通道中提供一高度可靠確認/反確認信號之方法及裝置;在高 速下行鏈路封包接取(HSDPA)中，回傳通道稱為高速共享資訊通 道(HS-SICH)。
【先前技術I 在HSDPA中’於回傳(上行鏈路)通道(稱作高速共享資訊通 道HS-SICH)中具有一高度可靠確認/反確認信號很關鍵。尤為關 鍵的是要識別其中的Nack，因為其所表示的消息係要求網路(節 點B)重新傳送未得到正確處理的資料。 【發明内容】 在一設定時間内’為至多八⑻^正各指定二(2)唯一通道化 ^ ’分別代表ACK與NACK信號，網路(節點B)可輕易區分該 二類信號。 【實施方式】 在一分時雙工(TDD)單元中，對於任〆設定時槽，均可獲得 16通道化碼用於上行鏈路與下行鍵路。在HSDpA應用中，對 201246832 HS-SICH指定-設定時槽。在不致引祕重作業限制的情況下， 可饭定在—設定時間，至多人制者設備(8 UE)將接收高速資 料。因此，該指定之HS_SICH時槽内至多八⑻证將傳送上行 鏈路資料。 因此’各UE可分配給二(2)通道化碼。故可採用傳統的信號 方式’以其中一碼代表ACK(先前下行鏈路資料叢發成功），而另 -碼代表Nack(先前下行鏈路資料叢發未成功)。另外，可將額外 上行鏈路㈣資訊集的詳細記錄，例如i^道品餘示(ch誰el
Quality Indicator ; CQI)及傳送功率控制(Transmitp〇wer c〇ntr〇1 ; tpc)，調變於選擇之通道化碼之±。 節點B可毫不費力地區分經傳送的通道化碼與未經傳送的 另一通道化碼。利用本發明之技術，較之利用通常調變技術以提 供Ack/Nack信號’發生錯誤的可能性較小。 本發明特卿合娜，因為其無需__外成本即 可刀配時槽巾的所有十六⑽碼。亦請注意，使用八(8)顶於時 槽内傳送’即使所料六(16)碼均制分配，在任亦僅可 利用八(8)碼。本發明亦可用於分頻雙工㈣D)傳送中，以為 HSDPA # 供 Ack/Nack 信號。 本專利中賴唯-附醜示了包含—基地台(節點B)12及複 數個使用者設備(UE)之一系統1〇。為簡明起見，在所給出的範例 中僅顯示一(2)使帛者設備⑽)，但應瞭解BS 12所服務的使用 201246832 者設備之數量可相當多。在範例中，Bs (其可服務一或多單元) 為第一 14及第二i6UE提供服務。 BS I2於步驟S1為各证分別指定一對通道化碼，其中指定 給各卿及16)的各對通道化碼互不相同。指定各對通道化碼 之每一碼分別代表-ACK及_ NACK狀況。狐16與·Μ 於步驟S1A及S1B儲存所指定的碼對。 12 &步驟S2傳送-叢發(諸如叢發類型^至若干证。在 所給出的範僧’ BS 12於步驟S2傳送叢發至順6。删6 於步驟S3接收挪驗叢發。在麵％巾雛％判定接收 i»號中疋否存在錯誤。若偵測出錯誤，則例程轉至步驟％，使 定為-Naek碼’以將其傳送至BS12。批12於步驟 S6接收該碼’且若於倾S7铜出—錯誤通道化碼，則 例程轉至S8，以重新傳送臨_存之叢發至祕16 ;娜祕 步驟S9接收重新傳送之叢發。 假定UE2·!6於_ S3所無之叢發沒有錯誤 ’則 UE2-16 將於步驟S4轉至步驟Sl〇,以傳撕指定之通道化碼至删卜 從而指定-縱狀況,12於步驟su接收此代表一皿信 號之通道化碼’且於步驟S12沒有侧出錯誤，則讎將轉至 S13 ’以清除臨時儲存之叢發。 應瞭解，除咖4與购6之外，同時還可以有至多六 (6)UE與BS 12通訊，但為簡明起見，範例巾未顯示。 201246832 如上文所述，最多的UE —次僅能傳送一竭(或者一 Ack碼， 或者一 Nack碼），故一次可傳送的通道化碼之總量係限於八(8)。 本文所描述的技術非常適用於TDD及FDD二者。 【圖示簡單說明】 唯-附圖係-簡化系統圖，用於解釋本發明之技術及裝置。 【元件符號簡單說明】 10系統 12基地台 14使用者設備 16使用者

Claims (1)

  1. 201246832 七、申請專利範園： 1·通訊方法，包括： 用以在一第一時槽傳輸一第一資料叢發的裝置； 用以在一第二時槽接收一第二資料叢發的裝置，其中該第二 資料叢發包含複數碼；以及 用以決定與該通訊設備相關聯的一碼是否存在於所接收的 第二資料叢發中的裝置，其中與該通訊設備相關聯的該碼指示該 第一資料叢發的一確認(ACK)或一反確認(HACK)，其中與該通 訊設備相關聯的該碼不同於與另一通訊設備相關聯的一碼。 2. 如申請專利範圍第1項之通訊設備，其中該第一資料叢發被傳 輸為一分頻雙工(FDD)傳輸。 3. 如申請專利範圍第1項之通訊設備，其中該第二資料叢發被傳 輸為一分頻雙工(FDD)傳輸。 4. 如申請專利範圍第1項之通訊設備，包括：在與該通訊設備相 關聯的一螞存在於所接收的第二資料叢發中，且該碼指示該第一 資料叢發的一 NACK的一情況下，用以重傳該第一資料叢發的 裝置。 5. 如申請專利範圍第1項之通訊設備，其中在所接收的第二資料 叢發中’該複數碼的其中之一是一頻道化碼。 6. -種通訊方法，包括： 由—通訊設備在一第一 B寺槽傳輸一第一資料叢發； 201246832 由該通訊設備在一第二時槽接收一第二資料叢發；以及 由該通訊設備決定與該通訊設備相關聯的一碼是否存在於 所接收的第二資料叢發中，其中與該通訊設備相關聯的該碼指示 該第-資料叢發的-確認(ACK)或-反確認(hack)，其中與該 通訊設備相關聯的該碼不同於與另—通訊設備糊聯的一碼。 7.如申請專利範圍第6項之方法，其中該第一資料叢發被傳輸為 一分頻雙工(FDD)傳輸。 8,如申请專利細第6項之方法，其中該第二資料叢發被傳 一分頻雙工(FDD)傳輸。 ‘’、、 . 侧_ 6項之方法，更包括：在與該通訊設備她 聯的-碼存在於所接收的第二資料叢發中，且該碼指示該第一 料叢發的一 NACK的一情況下，重傳該第一資料叢發。貝 =如申請專利娜6項之方法，其中在所接收的第二 發中，該複數碼的其中之一是一頻道化碼。 ’
TW101100097A 2002-02-19 2003-02-19 提供一高可靠度之確認／反確認給分時雙工及分頻雙工之方法及裝置 TWI479837B (zh)

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TW095105676A TWI355163B (en) 2002-02-19 2003-02-19 Method and apparatus for providing a highly reliab
TW099105087A TWI431970B (zh) 2002-02-19 2003-02-19 提供一高可靠度之確認／反確認給分時雙工及分頻雙工之方法及裝置
TW101100097A TWI479837B (zh) 2002-02-19 2003-02-19 提供一高可靠度之確認／反確認給分時雙工及分頻雙工之方法及裝置
TW092103407A TWI239730B (en) 2002-02-19 2003-02-19 Method and apparatus for providing a highly reliable ACK/NACK for time division duplex (TDD) and frequency division duplex (FDD)
TW092127601A TW200417183A (en) 2002-02-19 2003-02-19 Method and apparatus for providing a highly reliable ack/nack for time division duplex (TDD) and frequency division duplex (FDD)

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TW092127601A TW200417183A (en) 2002-02-19 2003-02-19 Method and apparatus for providing a highly reliable ack/nack for time division duplex (TDD) and frequency division duplex (FDD)

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EP (2) EP2584723B1 (zh)
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US20040009780A1 (en) 2004-01-15
WO2003071723A1 (en) 2003-08-28
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TW201101733A (en) 2011-01-01
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TWI355163B (en) 2011-12-21
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US7158802B2 (en) 2007-01-02
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CN102111248B (zh) 2015-02-11
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