JP2015053695A - プリコーディング情報を送受信する方法およびデバイス - Google Patents
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- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
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- 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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- H04L1/007—Unequal error protection
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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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- H—ELECTRICITY
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
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- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03891—Spatial equalizers
- H04L25/03898—Spatial equalizers codebook-based design
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- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03891—Spatial equalizers
- H04L25/03949—Spatial equalizers equalizer selection or adaptation based on feedback
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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
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- 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
- H04L1/0071—Use of interleaving
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- H—ELECTRICITY
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- 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
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- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
【解決手段】本発明は、プリコーディング情報を送受信する方法およびデバイスを開示し、この方法は次を含む。端末が広帯域プリコーディングマトリックスインジケータ(PMI)を取得し、端末が、広帯域PMIの最上位ビット(MSB)を独立して符号化するか、または広帯域PMIのMSBおよびNビットの他の情報を一緒に符号化することによって、符号化情報を取得し、MSBが広帯域PMIの一部であり、Nが自然数であり、端末が、符号化情報をデータ送信端に送信する。広帯域PMIのMSBを独立して符号化し、次いでそれを送信するか、またはNビットの他の情報と一緒に符号化し、次いでそれを送信することによって、本発明の実施形態は、広帯域プリコーディング情報の信頼性を向上させ、誤り伝搬を低減し、したがってプリコーディング性能がさらに向上する。
【選択図】図1
Description
端末によって、広帯域プリコーディングマトリックスインジケータPMIを取得するステップと、
端末によって、広帯域PMIのMSBを別に符号化するか、または広帯域PMIのMSBおよびNビットの他の情報を一緒に符号化して、符号化情報を取得するステップであり、MSBが広帯域PMIの一部であり、Nが自然数である、ステップと、
端末によって、符号化情報をデータ送信端に送るステップと、
を含む。
データ送信端によって、端末によって送られた符号化情報を受信するステップであり、
符号化情報が、広帯域PMIのMSBを別に符号化するか、または広帯域PMIのMSBおよびNビットの他の情報を一緒に符号化することによって、端末が広帯域プリコーディングマトリックスインジケータPMIを取得した後に取得された情報であり、MSBが広帯域PMIの一部であり、Nが自然数である、ステップを含む。
広帯域プリコーディングマトリックスインジケータPMIを取得するように構成された情報取得ユニットと、
広帯域PMIのMSBを別に符号化するか、または広帯域PMIのMSBおよびNビットの他の情報を一緒に符号化して、符号化情報を取得するように構成された情報符号化ユニットであり、MSBが広帯域PMIの一部であり、Nが自然数である、情報符号化ユニットと、
情報符号化ユニットによって符号化された情報をデータ送信端に送るように構成された情報送信ユニットと、
を含む。
端末によって送られた符号化情報を受信するように構成された情報受信ユニットであり、
符号化情報が、広帯域PMIのMSBを別に符号化するか、または広帯域PMIのMSBおよびNビットの他の情報を一緒に符号化することによって、端末が広帯域プリコーディングマトリックスインジケータPMIを取得した後に取得された情報であり、MSBが広帯域PMIの一部であり、Nが自然数である、ユニットを含む。
この場合、MSBは、広帯域PMIの一部でもよい。
または
端末は、物理アップリンク共有チャネルPUSCHを介して符号化情報をデータ送信端に送ることができる。
または
具体的には、データ送信端は、物理アップリンク共有チャネルPUSCHを介して端末によって送られた符号化情報を受信することができる。
または
端末は、物理アップリンク共有チャネルPUSCHを介して符号化情報をデータ送信端に送ることができる。
または
具体的には、データ送信端は、物理アップリンク共有チャネルPUSCHを介して端末によって送られた符号化情報を受信することができる。
302 情報符号化ユニット
303 情報送信ユニット
601 情報受信ユニット
Claims (1)
- プリコーディング情報を送信する方法であって、
端末によって、広帯域プリコーディングマトリックスインジケータPMIを取得するステップと、
前記端末によって、前記広帯域PMIのMSBを別に符号化するか、または前記広帯域PMIの前記MSBおよびNビットの他の情報を一緒に符号化して、符号化情報を取得するステップであり、前記MSBが前記広帯域PMIの一部であり、Nが自然数である、ステップと、
前記端末によって、前記符号化情報をデータ送信端に送信するステップと、
を含むことを特徴とする方法。
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CN201010184063.9 | 2010-05-19 | ||
CN201010184063.9A CN102255703B (zh) | 2010-05-19 | 2010-05-19 | 一种预编码信息的发送和接收方法及装置 |
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JP2014211501A Expired - Fee Related JP5967727B2 (ja) | 2010-05-19 | 2014-10-16 | プリコーディング情報を送受信する方法およびデバイス |
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US (1) | US8989299B2 (ja) |
EP (2) | EP2773059B1 (ja) |
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KR (1) | KR101455223B1 (ja) |
CN (1) | CN102255703B (ja) |
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ES (1) | ES2515492T3 (ja) |
HR (1) | HRP20161662T1 (ja) |
PL (1) | PL2562953T3 (ja) |
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US9847818B2 (en) | 2013-06-07 | 2017-12-19 | Nec Corporation | Channel state information (CSI) feedback and subsampling |
US9876655B2 (en) * | 2013-08-16 | 2018-01-23 | Mediatek Singapore Pte. Ltd. | Precoding-codebook-based secure uplink in LTE |
JP6148797B2 (ja) * | 2013-08-30 | 2017-06-14 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 信号を送信する方法及び装置 |
US10536196B2 (en) * | 2015-09-11 | 2020-01-14 | Interdigital Patent Holdings, Inc. | Multiple resource unit allocation for OFDMA WLAN |
CN108418612B (zh) | 2017-04-26 | 2019-03-26 | 华为技术有限公司 | 一种指示及确定预编码向量的方法和设备 |
US11799700B1 (en) * | 2022-08-31 | 2023-10-24 | Qualcomm Incorporated | Decoding multi-level coded (MLC) systems |
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PT2562953E (pt) | 2014-10-16 |
AU2011255148B2 (en) | 2014-07-24 |
EP2773059B1 (en) | 2016-09-21 |
KR20130021401A (ko) | 2013-03-05 |
ES2515492T3 (es) | 2014-10-29 |
WO2011144038A1 (zh) | 2011-11-24 |
EP2773059A3 (en) | 2014-10-29 |
CN102255703A (zh) | 2011-11-23 |
KR101455223B1 (ko) | 2014-10-27 |
EP2562953A1 (en) | 2013-02-27 |
AU2011255148A1 (en) | 2013-01-10 |
RU2012154913A (ru) | 2014-06-27 |
RU2551819C2 (ru) | 2015-05-27 |
JP2013529438A (ja) | 2013-07-18 |
BR112012029393A2 (pt) | 2016-07-26 |
JP5635684B2 (ja) | 2014-12-03 |
EP2562953A4 (en) | 2013-03-20 |
CN102255703B (zh) | 2014-07-16 |
PL2562953T3 (pl) | 2015-01-30 |
US8989299B2 (en) | 2015-03-24 |
EP2773059A2 (en) | 2014-09-03 |
HRP20161662T1 (hr) | 2017-01-13 |
EP2562953B1 (en) | 2014-08-13 |
JP5967727B2 (ja) | 2016-08-10 |
US20130077709A1 (en) | 2013-03-28 |
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