JP2010506531A - 制御信号伝送方法 - Google Patents
制御信号伝送方法 Download PDFInfo
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- JP2010506531A JP2010506531A JP2009532302A JP2009532302A JP2010506531A JP 2010506531 A JP2010506531 A JP 2010506531A JP 2009532302 A JP2009532302 A JP 2009532302A JP 2009532302 A JP2009532302 A JP 2009532302A JP 2010506531 A JP2010506531 A JP 2010506531A
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2615—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid frequency-time division multiple access [FDMA-TDMA]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0055—ZCZ [zero correlation zone]
- H04J13/0059—CAZAC [constant-amplitude and zero auto-correlation]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
- H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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
- H04L5/0037—Inter-user or inter-terminal allocation
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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
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
- H04L5/026—Multiplexing of multicarrier modulation signals using code division
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
【解決手段】上記方法は、制御信号をサブフレーム内の制御領域に割り当て、上記サブフレームは、上記制御信号のための上記制御領域と使用者データのためのデータ領域に分かれ、制御領域内で異なる周波数バンドが異なる端末に割り当てられる段階、及び上記サブフレームをアップリンク方向に伝送する段階を含む。チャネル状態の変化に強靭に制御信号が伝送されることができる。
【選択図】図7
Description
制御信号だけ伝送される場合、制御信号は各端末毎に割り当てられる制御領域を介して伝送される。特定無線資源、即ち、制御領域が予め割り当てられた後、端末は上記特定無線資源を介して制御信号を伝送する。制御信号を伝送するために制御領域に割り当てられるチャネルを制御チャネルという。
ZCシークエンスP(k)は次の3種類特徴を有する。
使用者データと制御信号が共にデータ領域を介して伝送される。使用者データと制御信号を多重化するために二つの方法が可能である。1番目は制御信号を使用者データと共にDFT拡散させた後IFFTを遂行する方法であり、2番目は使用者データだけをDFT拡散させた後制御信号と共にIFFTを遂行する方法である。
20 基地局
100 伝送器
110 データ処理部
120 SC-FDMA変調部
121、410、510 DFT部
122 副搬送波マッパ
123、420、520 IFFT部
130 制御部
140 RF部
150 伝送アンテナ
200 受信機
210 RF部
220 SC-FDMA復調部
230 データ処理部
240 制御部
250 受信アンテナ
Claims (10)
- 端末が基地局に制御信号を伝送する方法において、
制御信号をサブフレーム内の制御領域に割り当て、上記サブフレームは、上記制御信号のための上記制御領域と使用者データのためのデータ領域に分かれ、制御領域内で異なる周波数バンドが異なる端末に割り当てられる段階;及び、
上記サブフレームをアップリンク方向に伝送する段階を含む方法。 - 請求項1において、
上記制御信号は、直接変調が遂行された後に上記制御領域に割り当てられる方法。 - 請求項1において、
上記制御信号は、シークエンスにマッピングされ、上記シークエンスが上記制御領域に割り当てられる方法。 - 請求項3において、
上記シークエンスは、CAZAC(Constant Amplitude Zero Auto-Correlation)シークエンスである方法。 - 請求項1において、
上記サブフレームは、時間領域で少なくとも2個のスロットを含み、端末に割り当てられるスロットはサブフレーム内で相異する周波数を有する方法。 - 端末が基地局に制御信号を伝送する方法において、
制御信号を上記制御信号と使用者データを多重化してサブフレーム内のデータ領域に割り当て、上記サブフレームは、単に上記制御信号のための制御領域と上記データ領域に分かれる段階;及び、
上記サブフレームをアップリンク方向に伝送する段階を含む方法。 - 請求項6において、
上記使用者データと上記制御信号は、上記データ領域で相異する周波数に割り当てられる方法。 - 請求項6において、
上記使用者データと上記制御信号は、上記データ領域で相異する時間に割り当てられる方法。 - 請求項6において、
上記使用者データと上記制御信号を多重化するために、上記使用者データに対してDFT拡散が遂行された後、DFT(Discrete Fourier Transform)拡散された使用者データと上記制御信号に対してIFFT(Inverse FastFourier Transform)が遂行される方法。 - 請求項6において、
上記使用者データと上記制御信号を多重化するために、上記使用者データと上記制御信号に対してDFT拡散が遂行された後、DFT拡散された使用者データとDFT拡散された制御信号に対してIFFTが遂行される方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US86215206P | 2006-10-19 | 2006-10-19 | |
US60/862,152 | 2006-10-19 | ||
KR1020070069415A KR100910707B1 (ko) | 2006-10-19 | 2007-07-11 | 제어신호 전송 방법 |
KR10-2007-0069415 | 2007-07-11 | ||
PCT/KR2007/005104 WO2008048055A1 (en) | 2006-10-19 | 2007-10-18 | Method for transmitting control signal |
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JP2010506531A true JP2010506531A (ja) | 2010-02-25 |
JP5026524B2 JP5026524B2 (ja) | 2012-09-12 |
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US (2) | US7738418B2 (ja) |
EP (1) | EP2074723B1 (ja) |
JP (1) | JP5026524B2 (ja) |
KR (1) | KR100910707B1 (ja) |
WO (1) | WO2008048055A1 (ja) |
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US9072093B2 (en) * | 2007-12-19 | 2015-06-30 | Qualcomm Incorporated | Flexible control channels for unplanned wireless networks |
JP5209346B2 (ja) * | 2008-03-05 | 2013-06-12 | 株式会社エヌ・ティ・ティ・ドコモ | 送信装置、送信方法、受信装置及び受信方法 |
EP2267965A3 (en) * | 2008-03-25 | 2011-04-06 | Fujitsu Limited | Method and apparatus for transmission mode switching |
JP5320829B2 (ja) * | 2008-06-09 | 2013-10-23 | 富士通株式会社 | 制御チャネル送信方法、及び無線通信装置 |
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WO2009154270A1 (ja) | 2008-06-20 | 2009-12-23 | 日本電気株式会社 | リソース割当方法、特定方法、無線通信システム、基地局、移動局、及びプログラム |
JP5127588B2 (ja) * | 2008-06-23 | 2013-01-23 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システムにおけるユーザ装置、基地局装置及び通信方法 |
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KR20080035437A (ko) | 2008-04-23 |
EP2074723B1 (en) | 2019-04-17 |
US8331343B2 (en) | 2012-12-11 |
KR100910707B1 (ko) | 2009-08-04 |
US7738418B2 (en) | 2010-06-15 |
US20100027409A1 (en) | 2010-02-04 |
EP2074723A4 (en) | 2014-07-09 |
US20100278168A1 (en) | 2010-11-04 |
WO2008048055A1 (en) | 2008-04-24 |
EP2074723A1 (en) | 2009-07-01 |
JP5026524B2 (ja) | 2012-09-12 |
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