JP5592557B2 - アップリンク信号を送信する方法及びそのための装置 - Google Patents
アップリンク信号を送信する方法及びそのための装置 Download PDFInfo
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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
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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
- H04L1/0001—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
- H04L1/0025—Transmission of mode-switching 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
- H04L1/0023—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
- H04L1/004—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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- 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
- 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
- H04L5/0057—Physical resource allocation for CQI
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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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
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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
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
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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
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
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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
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
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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
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
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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
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
- H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
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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
- H04W72/23—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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0067—Rate matching
- H04L1/0068—Rate matching by puncturing
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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
- 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
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Description
・スケジュール要求(SR):アップリンクUL−SCHリソースを要求するために使用される情報である。オン・オフ変調(OOK)方式を用いて送信される。
・HARQ ACK/NACK:PDSCH上のダウンリンクデータパケットに対する応答信号である。ダウンリンクデータパケットが成功裏に受信されたか否かを示す。単一ダウンリンク符号語に対する応答としてACK/NACK 1ビットが送信され、2つのダウンリンク符号語に対する応答としてACK/NACK 2ビットが送信される。
・CQI:ダウンリンクチャネルに対するフィードバック情報である。多入力多出力(MIMO)関連フィードバック情報は、RI及びPMIを含む。ダウンリンクチャネルに対するフィードバック情報は一般に、チャネル品質制御情報、チャネル品質情報、チャネル状態情報(CSI)として知られる。
Claims (8)
- 無線通信システムにおいて端末からアップリンク信号を送信する方法であって、
物理アップリンク共有チャネル(PUSCH)スケジュールに使用されるダウンリンク制御情報(DCI)を受信し、前記DCIは、リソースブロック割当のための情報と、チャネル状態情報要求のための情報と、二つの伝送ブロックのための二つの変調符号化方式(MCS)情報と、前記二つの伝送ブロックのための二つの新規データ指示子(NDI)と、を含むステップと、
条件を満足する場合、前記PUSCHを通じてアップリンク共有チャネル(UL−SCH)データなしにチャネル状態情報だけを送信するステップと、を有し、
前記条件は、
前記二つの伝送ブロックの第1伝送ブロックが有効化され、前記二つの伝送ブロックの第2伝送ブロックが無効化された場合、
前記有効化された伝送ブロックのためのMCS情報がMCSインデクス29を指示する場合、
前記チャネル状態情報要求のための前記情報が、前記チャネル状態情報の送信を起動するように設定されている場合、
割り当てられたリソースブロックの個数が4個以下である場合、を含み、
前記無効化された伝送ブロックのMCS情報がMCSインデクス30から31のうち一つを示すように設定され、前記無効化された伝送ブロックのNDIがトグルされる、方法。 - 前記DCIは部分プリコーディング行列指示子/ランク指示(PMI/RI)情報を搬送するフィールドを含み、前記チャネル状態情報を送信するために用いられる完全PMI/RI情報は前記無効化された伝送ブロック及び前記フィールドの前記部分PMI/RI情報の組合せによって示される、請求項1に記載の方法。
- 前記条件は、送信階層の個数が1である場合をさらに含むことを特徴とする、請求項1に記載の方法。
- 前記チャネル状態情報は、チャネル品質指示(CQI)、プリコーディング行列指示子(PMI)及びランク指示(RI)のうち少なくとも一つを含むことを特徴とする、請求項1に記載の方法。
- 無線通信システムにおいてアップリンク信号を送信するように構成された端末であって、
無線周波(RF)ユニットと、
プロセッサと、を備え、
前記プロセッサは、物理アップリンク共有チャネル(PUSCH)スケジュールに使用されるダウンリンク制御情報(DCI)を受信し、前記DCIは、リソースブロック割当のための情報と、チャネル状態情報要求のための情報と、二つの伝送ブロックのための二つの変調符号化方式(MCS)情報と、前記二つの伝送ブロックのための二つの新規データ指示子(NDI)と、を含み、条件を満足する場合、前記PUSCHを通じてアップリンク共有チャネル(UL−SCH)データなしにチャネル状態情報だけを送信するように構成され、
前記条件は、
前記二つの伝送ブロックの第1伝送ブロックが有効化され、前記二つの伝送ブロックの第2伝送ブロックが無効化された場合、
前記有効化された伝送ブロックのためのMCS情報がMCSインデクス29を指示する場合、
前記チャネル状態情報要求のための前記情報が、前記チャネル状態情報の送信を起動するように設定されている場合、
割り当てられたリソースブロックの個数が4個以下である場合、を含み、
前記無効化された伝送ブロックのMCS情報がMCSインデクス30から31のうち一つを示すように設定され、前記無効化された伝送ブロックのNDIがトグルされる、端末。 - 前記DCIは部分プリコーディング行列指示子/ランク指示(PMI/RI)情報を搬送するフィールドを含み、前記チャネル状態情報を送信するために用いられる完全PMI/RI情報は前記無効化された伝送ブロック及び前記フィールドの前記部分PMI/RI情報の組合せによって示される、請求項5に記載の端末。
- 前記条件は、送信階層の個数が1である場合をさらに含むことを特徴とする、請求項5に記載の端末。
- 前記チャネル状態情報は、チャネル品質指示(CQI)、プリコーディング行列指示子(PMI)及びランク指示(RI)のうち少なくとも一つを含むことを特徴とする、請求項5に記載の端末。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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US36690910P | 2010-07-22 | 2010-07-22 | |
US61/366,909 | 2010-07-22 | ||
US36908010P | 2010-07-30 | 2010-07-30 | |
US61/369,080 | 2010-07-30 | ||
KR1020110030167A KR20120010099A (ko) | 2010-07-22 | 2011-04-01 | 상향링크 신호를 전송하는 방법 및 이를 위한 장치 |
KR10-2011-0030167 | 2011-04-01 | ||
PCT/KR2011/003627 WO2012011658A2 (en) | 2010-07-22 | 2011-05-17 | Apparatus for transmitting an uplink signal and method thereof |
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JP2013526110A JP2013526110A (ja) | 2013-06-20 |
JP5592557B2 true JP5592557B2 (ja) | 2014-09-17 |
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US (1) | US8824373B2 (ja) |
EP (1) | EP2596590A4 (ja) |
JP (1) | JP5592557B2 (ja) |
KR (1) | KR20120010099A (ja) |
CN (1) | CN102859915B (ja) |
AU (1) | AU2011280441B2 (ja) |
CA (1) | CA2795634C (ja) |
WO (1) | WO2012011658A2 (ja) |
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US20110243079A1 (en) * | 2010-03-18 | 2011-10-06 | Texas Instruments Incorporated | Transmission Modes and Signaling for Uplink MIMO Support or Single TB Dual-Layer Transmission in LTE Uplink |
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EP2596590A2 (en) | 2013-05-29 |
CN102859915A (zh) | 2013-01-02 |
JP2013526110A (ja) | 2013-06-20 |
WO2012011658A3 (en) | 2012-03-15 |
CA2795634C (en) | 2016-07-05 |
CN102859915B (zh) | 2015-07-01 |
CA2795634A1 (en) | 2012-01-26 |
KR20120010099A (ko) | 2012-02-02 |
US8824373B2 (en) | 2014-09-02 |
AU2011280441A1 (en) | 2012-10-11 |
AU2011280441B2 (en) | 2013-09-19 |
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