JP5833683B2 - 無線通信システムにおける制御情報の伝送方法及び装置 - Google Patents
無線通信システムにおける制御情報の伝送方法及び装置 Download PDFInfo
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
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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
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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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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- 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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- 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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- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
- H04L1/0038—Blind format detection
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- H—ELECTRICITY
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Description
●伝送モード1:単一基地局アンテナポートからの伝送
●伝送モード2:伝送ダイバーシティ
●伝送モード3:開ループ空間多重化
●伝送モード4:閉ループ空間多重化
●伝送モード5:マルチユーザーMIMO
●伝送モード6:閉ループランク−1プリコーディング
●伝送モード7:端末−特定参照信号を用いた伝送
●フォーマット0:PUSCH伝送(アップリンク)のためのリソースグラント
●フォーマット1:単一コードワードPDSCH伝送(伝送モード1、2及び7)のためのリソース割当
●フォーマット1A:単一コードワードPDSCH(全てのモード)のためのリソース割当のコンパクトシグナリング
●フォーマット1B:ランク−1閉ループプリコーディングを用いるPDSCH(モード6)のためのコンパクトリソース割当
●フォーマット1C:PDSCH(例、ページング/ブロードキャストシステム情報)のための非常にコンパクトなリソース割当
●フォーマット1D:マルチユーザーMIMOを用いるPDSCH(モード5)のためのコンパクトリソース割当
●フォーマット2:閉ループMIMO動作のPDSCH(モード4)のためのリソース割当
●フォーマット2A:開ループMIMO動作のPDSCH(モード3)のためのリソース割当
●フォーマット3/3A:PUCCH及びPUSCHのために2ビット/1ビットパワー調整値を有するパワーコントロールコマンド
◆CIFディセーブルド(disabled):DL CC上のPDCCHは、同一DL CC上のPDSCHリソース、及び単一のリンクされたUL CC上でのPUSCHリソースを割り当てる。
●No CIF
◆CIFイネーブルド(enabled):DL CC上のPDCCHは、CIFを用いて、複数の束ねられたDL/UL CCのうち、一つのDL/UL CC上のPDSCH又はPUSCHリソースを割り当てることが可能である。
●CIFを持つように拡張されたLTE DCIフォーマット
− CIF(設定される場合)は、固定されたx−ビットフィールド(例、x=3)
− CIF(設定される場合)の位置は、DCIフォーマットサイズにかかわらずに固定される
Claims (6)
- 無線通信システムにおいて、複数のセルが構成され、端末においてダウンリンク制御チャネルを受信する方法であって、
複数のサブフレームを示すRRCシグナリングを受信するステップであって、前記端末が、該複数のサブフレーム内で、各セルに対するPDCCH候補に関して複数の検索空間をモニタリングするステップと、
前記複数のセルのうちの1つのセルに対する第1のサブフレームを受信するステップと、
前記第1のサブフレームが、前記セルに対する前記RRCシグナリングにより示される前記複数のサブフレームの1つのサブフレームである場合、前記第1のサブフレーム内で、前記セルに対するPDCCH候補のセットをモニタリングするステップと、
を有し、
その他のセルのPDCCH候補が、同一の情報サイズを持つよう構成され、該同一の情報サイズを持つ前記PDCCH候補が、CIF値を用いて区別される場合、前記その他のセルの前記PDCCH候補を伝送するため、前記セルに対応する複数の検索空間が用いられる、方法。 - 前記第1のサブフレームが、前記セルに対する前記RRCシグナリングにより示される前記複数のサブフレームの1つのサブフレームでない場合、前記端末は、前記第1のサブフレーム内で、前記セルに対する前記PDCCH候補のセットをモニタリングしない、請求項1に記載の方法。
- 前記サブフレームは複数のOFDMAシンボルを含み、前記複数の検索空間は、前記サブフレーム内の先頭M個のOFDMAシンボル以外のOFDMAシンボル内に設定され、該Mは正の整数である、請求項1に記載の方法。
- 無線通信システムにおいて、複数のセルが構成され、ダウンリンク制御チャネルを受信する端末であって、
RFモジュールと、
前記RFモジュールを制御するよう構成されたプロセッサと、
を有し、
前記プロセッサは、端末が、各セルに対するPDCCH候補に関して複数の検索空間をモニタリングする複数のサブフレームを示すRRCシグナリングを受信し、前記複数のセルのうちの1つのセルに対する第1のサブフレームを受信し、前記第1のサブフレームが、前記セルに対する前記RRCシグナリングにより示される前記複数のサブフレームの1つのサブフレームである場合、前記第1のサブフレーム内で、前記セルに対するPDCCH候補のセットをモニタリングするよう構成され、
その他のセルのPDCCH候補が、同一の情報サイズを持つよう構成され、該同一の情報サイズを持つ前記PDCCH候補が、CIF値を用いて区別される場合、前記その他のセルの前記PDCCH候補を伝送するため、前記セルに対応する複数の検索空間が用いられる、端末。 - 前記第1のサブフレームが、前記セルに対する前記RRCシグナリングにより示される前記複数のサブフレームの1つのサブフレームでない場合、端末は、前記第1のサブフレーム内で、前記セルに対する前記PDCCH候補のセットをモニタリングしない、請求項4に記載の端末。
- 前記サブフレームは複数のOFDMAシンボルを含み、前記複数の検索空間は、前記サブフレーム内の先頭M個のOFDMAシンボル以外のOFDMAシンボル内に設定され、該Mは正の整数である、請求項4に記載の端末。
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US201161469076P | 2011-03-29 | 2011-03-29 | |
US61/469,076 | 2011-03-29 | ||
PCT/KR2012/001842 WO2012124981A2 (ko) | 2011-03-14 | 2012-03-14 | 무선 통신 시스템에서 제어 정보의 전송 방법 및 장치 |
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JP2014511170A JP2014511170A (ja) | 2014-05-12 |
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JP2015211764A Active JP6178380B2 (ja) | 2011-03-14 | 2015-10-28 | 無線通信システムにおける制御情報の伝送方法及び装置 |
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US (1) | US9844030B2 (ja) |
EP (1) | EP2675085B1 (ja) |
JP (2) | JP5833683B2 (ja) |
KR (1) | KR101884352B1 (ja) |
CN (3) | CN106130704B (ja) |
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EP2675085A2 (en) | 2013-12-18 |
JP2014511170A (ja) | 2014-05-12 |
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CN103430469A (zh) | 2013-12-04 |
TWI544824B (zh) | 2016-08-01 |
CN103430469B (zh) | 2016-08-17 |
JP2016028530A (ja) | 2016-02-25 |
WO2012124981A2 (ko) | 2012-09-20 |
KR101884352B1 (ko) | 2018-08-30 |
EP2675085A4 (en) | 2014-09-10 |
US9844030B2 (en) | 2017-12-12 |
EP2675085B1 (en) | 2017-09-13 |
KR20140012639A (ko) | 2014-02-03 |
CN106059740A (zh) | 2016-10-26 |
TW201242405A (en) | 2012-10-16 |
CN106130704A (zh) | 2016-11-16 |
CN106130704B (zh) | 2019-08-20 |
CN106059740B (zh) | 2019-07-09 |
WO2012124981A3 (ko) | 2012-12-27 |
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