JP2011518489A - ダウンリンク制御情報の送受信方法 - Google Patents
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- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0665—Feed forward of transmit weights to the receiver
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
- H04L1/0028—Formatting
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- H—ELECTRICITY
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0072—Error control for data other than payload data, e.g. control data
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- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
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- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- 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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- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
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- H04B7/0634—Antenna weights or vector/matrix coefficients
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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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
- H04L1/12—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
- H04L1/1664—Details of the supervisory signal the supervisory signal being transmitted together with payload signals; piggybacking
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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
- H04L5/0023—Time-frequency-space
Abstract
【選択図】図3
Description
Claims (14)
- 基地局がダウンリンク制御情報を転送する方法であって、
ユーザ機器(User Equipment:UE)からプリコーディング行列インデックス(Precoding Matrix Index:PMI)情報を含むフィードバック情報を受信し、
前記基地局のアンテナ数及び転送モードによってあらかじめ決定されたビット数を有するプリコーディング情報を転送すること、
を含み、
前記プリコーディング情報のうち、所定転送モードに関するプリコーディング情報は、前記基地局が前記ユーザ機器から最近に受信したPMIを用いたことを表すための確認フィールド情報を含み、
前記確認フィールド情報がn番目のサブフレームの特定リソースブロック(Resource Block:RB)を通じて転送される場合、前記最近に受信したPMIは、n−x番目のサブフレームまたは前記n−x番目のサブフレーム以前のサブフレームの前記特定リソースブロックに対応するリソースブロックを通じて受信したPMIであり、
前記“x”は、あらかじめ決定された整数または物理層以上の上位層シグナリングにより決定される整数である、ダウンリンク制御情報転送方法。 - 前記“x”は、4とあらかじめ決定されることを特徴とする、請求項1に記載のダウンリンク制御情報転送方法。
- 前記フィードバック情報受信ステップにおいて、前記ユーザ機器から物理アップリンク制御チャネル(Physical uplink control channel:PUCCH)及び物理アップリンク共有チャネル(Physical uplink shared channel:PUSCH)のうち一つ以上を通じてPMIを含むフィードバック情報を受信し、
前記確認フィールドは、前記物理アップリンク共有チャネル(PUSCH)を通じて受信したPMIのみを考慮することを特徴とする、請求項1または2に記載のダウンリンク制御情報転送方法。 - 前記物理アップリンク共有チャネル(PUSCH)を通じて受信したPMIには、CRCが付加されており、
前記物理アップリンク制御チャネル(PUCCH)を通じて受信したPMIには、CRCが付加されていないことを特徴とする、請求項3に記載のダウンリンク制御情報転送方法。 - 前記フィードバック情報受信ステップは、前記物理アップリンク共有チャネル(PUSCH)にピギーバックされた、PMIを含む物理アップリンク制御チャネル(PUCCH)を受信することを含み、
前記物理アップリンク共有チャネル(PUSCH)にピギーバックされた、前記PMIを含む物理アップリンク制御チャネル(PUCCH)情報にはCRCが付加されていないことを特徴とする、請求項3に記載のダウンリンク制御情報転送方法。 - 前記物理アップリンク共有チャネル(PUSCH)を通じて前記フィードバック情報を受信する場合、前記フィードバック情報は、単一PMI転送モードまたは多重PMI転送モードのいずれか一つで転送されたものであり、
前記フィードバック情報が前記多重PMI転送モードで転送されたものである場合にのみ、前記PMIにCRCが付加されていることを特徴とする、請求項3に記載のダウンリンク制御情報転送方法。 - 前記所定転送モードに関するプリコーディング情報は、閉ループ空間多重化転送モードに関するプリコーディング情報であることを特徴とする、請求項1に記載のダウンリンク制御情報転送方法。
- ユーザ機器(UE)が基地局からダウンリンク制御情報を受信する方法であって、
前記基地局にプリコーディング行列インデックス(PMI)情報を含むフィードバック情報を転送し、
前記基地局のアンテナ数及び転送モードによってあらかじめ決定されたビット数を有するプリコーディング情報を受信すること
を含み、
前記プリコーディング情報のうち、所定転送モードに関するプリコーディング情報は、前記基地局が前記ユーザ機器から最近に受信したPMIを用いたことを表すための確認フィールド情報を含み、
前記確認フィールド情報がn番目のサブフレームの特定リソースブロック(RB)を通じて転送される場合、前記最近に受信したPMIは、n−x番目のサブフレームまたは前記n−x番目のサブフレーム以前のサブフレームの前記特定リソースブロックに対応するリソースブロックを通じて受信したPMIであり、
前記“x”は、あらかじめ決定された整数または物理層以上の上位層シグナリングにより決定される整数であることを、ダウンリンク制御情報受信方法。 - 前記“x”は、4とあらかじめ決定されることを特徴とする、請求項8に記載のダウンリンク制御情報受信方法。
- 前記フィードバック情報転送ステップにおいて、前記ユーザ機器は、物理アップリンク制御チャネル(PUCCH)及び物理アップリンク共有チャネル(PUSCH)のうち一つ以上を通じてPMIを含むフィードバック情報を転送し、
前記確認フィールドは、前記物理アップリンク共有チャネル(PUSCH)を通じて転送されたPMIのみを考慮することを特徴とする、請求項8または9に記載のダウンリンク制御情報受信方法。 - 前記フィードバック情報転送ステップは、前記物理アップリンク共有チャネル(PUSCH)を通じて転送されるPMIにCRCを付加することを含み、
前記フィードバック情報転送ステップで前記物理アップリンク制御チャネル(PUCCH)を通じて転送されるPMIにはCRCを付加しないことを特徴とする、請求項10に記載のダウンリンク制御情報受信方法。 - 前記フィードバック情報転送ステップは、前記物理アップリンク共有チャネル(PUSCH)にピギーバックされた、PMIを含む物理アップリンク制御チャネル(PUCCH)を転送することを含み、
前記物理アップリンク共有チャネル(PUSCH)にピギーバックされた、前記PMIを含む物理アップリンク制御チャネル(PUCCH)情報にはCRCを付加しないことを特徴とする、請求項10に記載のダウンリンク制御情報受信方法。 - 前記物理アップリンク共有チャネル(PUSCH)を通じて前記フィードバック情報を転送する場合、前記フィードバック情報は、単一PMI転送モードまたは多重PMI転送モードのいずれか一方で転送され、
前記フィードバック情報が前記多重PMI転送モードで転送される場合にのみ前記PMIにCRCを付加して転送することを特徴とする、請求項10に記載のダウンリンク制御情報受信方法。 - 前記所定転送モードに関するプリコーディング情報は、閉ループ空間多重化転送モードに関するプリコーディング情報であることを特徴とする、請求項8に記載のダウンリンク制御情報受信方法。
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US4597108P | 2008-04-18 | 2008-04-18 | |
US61/045,971 | 2008-04-18 | ||
US7530308P | 2008-06-24 | 2008-06-24 | |
US61/075,303 | 2008-06-24 | ||
US7786008P | 2008-07-02 | 2008-07-02 | |
US61/077,860 | 2008-07-02 | ||
KR20080100020A KR101481583B1 (ko) | 2008-04-18 | 2008-10-13 | 하향링크 제어 정보 송수신 방법 |
KR10-2008-0100020 | 2008-10-13 | ||
PCT/KR2009/000338 WO2009128604A1 (en) | 2008-04-18 | 2009-01-22 | Method for transmitting and receiving downlink control information |
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JP5128702B2 JP5128702B2 (ja) | 2013-01-23 |
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US (4) | US8315324B2 (ja) |
EP (2) | EP3461027B1 (ja) |
JP (1) | JP5128702B2 (ja) |
KR (1) | KR101481583B1 (ja) |
CN (1) | CN101999210B (ja) |
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JP2016518746A (ja) * | 2013-03-14 | 2016-06-23 | ゼットティーイー ウィストロン テレコム エービー | 分散型ネットワークトポロジにおけるharqプロセスの数を適応させる方法および装置 |
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US20160359535A1 (en) | 2016-12-08 |
JP5128702B2 (ja) | 2013-01-23 |
KR101481583B1 (ko) | 2015-01-13 |
US20130070704A1 (en) | 2013-03-21 |
EP2266218A1 (en) | 2010-12-29 |
US10326503B2 (en) | 2019-06-18 |
EP3461027B1 (en) | 2020-09-09 |
US9451607B2 (en) | 2016-09-20 |
CN101999210A (zh) | 2011-03-30 |
ES2709214T3 (es) | 2019-04-15 |
US20090262854A1 (en) | 2009-10-22 |
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EP2266218B1 (en) | 2018-12-19 |
KR20090110772A (ko) | 2009-10-22 |
EP2266218A4 (en) | 2015-07-15 |
WO2009128604A1 (en) | 2009-10-22 |
US8917791B2 (en) | 2014-12-23 |
US20150098426A1 (en) | 2015-04-09 |
US8315324B2 (en) | 2012-11-20 |
EP3461027A1 (en) | 2019-03-27 |
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