JP2013509077A - 中継局を含む無線通信システムにおける参照信号送信方法及び装置 - Google Patents
中継局を含む無線通信システムにおける参照信号送信方法及び装置 Download PDFInfo
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
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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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0026—Division using four or more dimensions
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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
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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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
- H04L5/0078—Timing of allocation
- H04L5/0082—Timing of allocation at predetermined intervals
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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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Abstract
【解決手段】基地局は、複数のレイヤの各々に対して中継局のための制御チャネルであるR(relay)−PDCCH(Physical Downlink Control Channel)の復調(demodulation)のための複数のR−PDCCH参照信号を生成し、前記複数のR−PDCCH参照信号を予め指定された参照信号パターンによって少なくとも一つのリソースブロック内の中継領域(relay zone)に含まれるR−PDCCH領域にマッピングし、前記少なくとも一つのリソースブロックを複数のアンテナポートを介して送信する。
【選択図】図15
Description
Claims (14)
- 中継局を含む無線通信システムにおける基地局による参照信号送信方法において、
複数のレイヤの各々に対して中継局のための制御チャネルであるR(relay)−PDCCH(Physical Downlink Control Channel)の復調(demodulation)のための複数のR−PDCCH参照信号を生成し、
前記複数のR−PDCCH参照信号を予め指定された参照信号パターンによって少なくとも一つのリソースブロック内の中継領域(relay zone)に含まれるR−PDCCH領域にマッピングし、
前記少なくとも一つのリソースブロックを複数のアンテナポートを介して送信することを含むことを特徴とする参照信号送信方法。 - 前記中継領域は、一つのサブフレームの4番目のOFDM(Orthogonal Frequency Division Multiplexing)シンボル乃至13番目のOFDMシンボル、又は5番目のOFDMシンボル乃至13番目のOFDMシンボルを占めることを特徴とする請求項1に記載の参照信号送信方法。
- 前記R−PDCCH領域は、前記中継領域の前方部の3個のOFDMシンボルを占めたり、或いは前記中継領域が属するサブフレーム(subframe)の第2のスロットの前方部の3個のOFDMシンボルを占めることを特徴とする請求項1に記載の参照信号送信方法。
- 前記複数のR−PDCCH参照信号は、前記R−PDCCH領域の1番目のOFDMシンボルにマッピングされることを特徴とする請求項1に記載の参照信号送信方法。
- 前記複数のR−PDCCH参照信号は、前記R−PDCCH領域の1番目の及び3番目のOFDMシンボルにマッピングされることを特徴とする請求項1に記載の参照信号送信方法。
- 前記複数のR−PDCCH参照信号は、CDM(Code Division Multiplexing)方式に多重化されることを特徴とする請求項1に記載の参照信号送信方法。
- 直交シーケンス(orthogonal sequence)に基づいて前記CDM方式の多重化が実行されることを特徴とする請求項6に記載の参照信号送信方法。
- 前記複数のR−PDCCH参照信号の全部又は一部は、3GPP(3rd Generation Partnership Project)LTE(Long Term Evolution)rel−8のセル特定参照信号(CRS;Cell−specific Reference Signal)又は3GPP LTE−A(advanced)の復調参照信号(DMRS;Demodulation Reference Signal)であることを特徴とする請求項1に記載の参照信号送信方法。
- 前記R−PDCCH参照信号の全部又は一部として前記3GPP LTE rel−8のCRSを用いるか、又は前記3GPP LTE−AのDMRSを用いるかを上位階層(higher layer)を介してシグナリングすることをさらに含むことを特徴とする請求項8に記載の参照信号送信方法。
- 各R−PDCCH参照信号は、前記少なくとも一つのリソースブロック内で一定の副搬送波間隔にマッピングされることを特徴とする請求項1に記載の参照信号送信方法。
- 中継局を含む無線通信システムにおける中継局による制御チャネル復調方法において、
ダウンリンクサブフレーム内の中継領域に含まれるR(relay)−PDCCH(Physical Downlink Control Channel)領域を介して中継局のための制御チャネルであるR−PDCCHのための複数のR−PDCCH参照信号を受信し、
前記複数のR−PDCCH参照信号を処理して前記R−PDCCHを復調することを含むことを特徴とする制御チャネル復調方法。 - 前記複数のR−PDCCH参照信号は、前記R−PDCCH領域の1番目のOFDMシンボルにマッピングされることを特徴とする請求項11に記載の制御チャネル復調方法。
- 前記複数のR−PDCCH参照信号は、前記R−PDCCH領域の1番目の及び3番目のOFDMシンボルにマッピングされることを特徴とする請求項11に記載の制御チャネル復調方法。
- 無線信号を送信又は受信するRF(Radio Frequency)部;及び、
前記RF部と連結されるプロセッサ;を含み、
前記プロセッサは、
複数のレイヤの各々に対して中継局のための制御チャネルであるR(relay)−PDCCH(Physical Downlink Control Channel)の復調(demodulation)のための複数のR−PDCCH参照信号を生成し、
前記複数のR−PDCCH参照信号を予め指定された参照信号パターンによって少なくとも一つのリソースブロック内の中継領域(relay zone)に含まれるR−PDCCH領域にマッピングし、
前記少なくとも一つのリソースブロックを複数のアンテナポートを介して送信するように構成されることを特徴とする参照信号送信装置。
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US25384009P | 2009-10-21 | 2009-10-21 | |
US61/253,840 | 2009-10-21 | ||
US25420309P | 2009-10-22 | 2009-10-22 | |
US61/254,203 | 2009-10-22 | ||
KR10-2010-0102299 | 2010-10-20 | ||
KR1020100102299A KR101789326B1 (ko) | 2009-10-21 | 2010-10-20 | 중계국을 포함하는 무선 통신 시스템에서 참조 신호 전송 방법 및 장치 |
PCT/KR2010/007216 WO2011049379A2 (ko) | 2009-10-21 | 2010-10-21 | 중계국을 포함하는 무선 통신 시스템에서 참조 신호 전송 방법 및 장치 |
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JP2013509077A true JP2013509077A (ja) | 2013-03-07 |
JP5475139B2 JP5475139B2 (ja) | 2014-04-16 |
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US (1) | US8724540B2 (ja) |
EP (1) | EP2479909B1 (ja) |
JP (1) | JP5475139B2 (ja) |
KR (1) | KR101789326B1 (ja) |
CN (1) | CN102648592B (ja) |
WO (1) | WO2011049379A2 (ja) |
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JP2013507852A (ja) * | 2009-10-16 | 2013-03-04 | ノキア シーメンス ネットワークス オサケユキチュア | 物理的信号を送信する方法及び装置 |
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Also Published As
Publication number | Publication date |
---|---|
EP2479909A2 (en) | 2012-07-25 |
WO2011049379A2 (ko) | 2011-04-28 |
US20120213147A1 (en) | 2012-08-23 |
WO2011049379A3 (ko) | 2011-09-09 |
KR20110043493A (ko) | 2011-04-27 |
EP2479909A4 (en) | 2014-12-10 |
CN102648592A (zh) | 2012-08-22 |
JP5475139B2 (ja) | 2014-04-16 |
EP2479909B1 (en) | 2017-08-23 |
US8724540B2 (en) | 2014-05-13 |
CN102648592B (zh) | 2016-07-06 |
KR101789326B1 (ko) | 2017-10-24 |
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