JP2013522948A - 制御チャネルの割当方法及びそのための装置 - Google Patents
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Abstract
【解決手段】本発明は、搬送波指示情報がない制御チャネルのための、制御チャネル候補セットを含む第1探索空間を第1搬送波上で監視し、搬送波指示情報がある制御チャネルのための、制御チャネル候補セットを含む第2探索空間を第2搬送波上で監視することを含み、端末が、第1探索空間及び第2探索空間内において、同一のRNTI、同一の情報サイズ、及び同一の1番目のCCEを有する複数の制御チャネル候補を監視するように設定された場合、制御チャネルは、第1搬送波上の第1探索空間においてだけ受信され得る。
【選択図】図14b
Description
・送信モード1:一つの基地局アンテナポートからの送信
・送信モード2:送信ダイバシチ
・送信モード3:開ループ空間多重化
・送信モード4:閉ループ空間多重化
・送信モード5:複数利用者MIMO
・送信モード6:閉ループランク1プリコーディング
・送信モード7:端末特定参照信号を用いた送信
・フォーマット0:PUSCH送信(アップリンク)用のリソース許可
・フォーマット1:1符号語PDSCH送信(送信モード1,2及び7)用のリソース指定
・フォーマット1A−1符号語PDSCH送信(すべてのモード)用のリソース指定の簡潔な信号通知
・フォーマット1B:ランク1閉ループプリコーディング(モード6)を用いたPDSCH用の簡潔なリソース指定
・フォーマット1C:PDSCH(例えば、呼出し/同報システム情報)用の非常に簡潔なリソース指定
・フォーマット1D:複数利用者MIMO(モード5)を用いたPDSCH用の簡潔なリソース指定
・フォーマット2:閉ループMIMO運用(モード4)用PDSCH用のリソース指定
・フォーマット2A:開ループMIMO運用(モード3)用PDSCH用のリソース指定
・フォーマット3/3A−2ビット/1ビット電力調整を有するPUCCH及びPUSCH用の電力制御コマンド
・CIFなし
・LTE PDCCH構造(同一の符号化、同一のCCEベースリソースマップ)及びDCIフォーマットと同一
・CIF有効:DL CC上のPDCCHは、CIFを用いて複数の併合されたDL/UL CCのうち、特定DL/UL CC上のPDSCH又はPUSCHリソースを割り当て可能
・CIFを有する拡張された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(例えば、x=3)
CIF(設定される場合)位置は、DCIフォーマットサイズに関係なく固定される
・LTE PDCCH構造を再使用(同一の符号化、同一のCCEに基づくリソースマップ)
Claims (24)
- 無線通信システムにおいて、端末が制御チャネルのための制御チャネル割当を決定する過程を行う方法であって、
搬送波指示情報がない制御チャネルのための、制御チャネル候補セットを含む第1探索空間を第1搬送波上で監視するステップと、
搬送波指示情報がある制御チャネルのための、制御チャネル候補セットを含む第2探索空間を第2搬送波上で監視するステップと、を有し、
前記端末が、前記第1探索空間及び前記第2探索空間内において、同一の無線ネットワーク一時識別子(RNTI)、同一の情報サイズ、及び同一の1番目の制御チャネル要素(CCE)を有する複数の制御チャネル候補を監視するように設定された場合、前記制御チャネルは、前記第1搬送波上の前記第1探索空間においてだけ受信され得る、方法。 - 前記複数の制御チャネル候補に限って、前記制御チャネルが前記第1探索空間においてだけ受信され得ることを特徴とする、請求項1に記載の方法。
- 前記複数の制御チャネル候補において制御チャネルが検出される場合、前記制御チャネルは前記第1探索空間において受信されたものと見なされることを特徴とする、請求項1に記載の方法。
- 前記複数の制御チャネル候補を監視するステップは、前記制御チャネルが前記第1探索空間においてだけ受信され得るという仮定のもとで行われることを特徴とする、請求項1に記載の方法。
- 前記複数の制御チャネル候補は、巡回冗長検査ビット(CRC)が前記同一のRNTIによってスクランブルされることを特徴とする、請求項1に記載の方法。
- 前記情報サイズは、ダウンリンク制御情報(DCI)ペイロードサイズであることを特徴とする、請求項1に記載の方法。
- 前記第1探索空間は共通探索空間であり、前記第2探索空間は端末特定探索空間であることを特徴とする、請求項1に記載の方法。
- 前記制御チャネルは物理ダウンリンク制御チャネル(PDCCH)であり、前記制御チャネル候補はPDCCH候補であることを特徴とする、請求項1に記載の方法。
- 前記第1搬送波と前記第2搬送波とは同一であることを特徴とする、請求項1に記載の方法。
- 前記複数の制御チャネル候補は、前記第1探索空間と前記第2探索空間との重複によって発生することを特徴とする、請求項1に記載の方法。
- サブフレームを受信するステップを更に有し、
前記サブフレームは、前部に一つ以上の連続した直交周波数分割多重化(OFDM)シンボルによって構成された制御領域を含み、前記第1探索空間及び前記第2探索空間は同じ制御領域内に存在することを特徴とする、請求項1に記載の方法。 - 前記制御チャネルによる動作を行うステップを更に有することを特徴とする、請求項1に記載の方法。
- 無線通信システムにおいて制御チャネルのための制御チャネル割当を決定する過程を行う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、搬送波指示情報がない制御チャネルのための、制御チャネル候補セットを含む第1探索空間を第1搬送波上で監視し、搬送波指示情報がある制御チャネルのための、制御チャネル候補セットを含む第2探索空間を第2搬送波上で監視するように構成され、
前記端末が、前記第1探索空間及び前記第2探索空間内において、同一の無線ネットワーク一時識別子(RNTI)、同一の情報サイズ、及び同一の1番目の制御チャネル要素(CCE)を有する複数の制御チャネル候補を監視するように設定された場合、前記制御チャネルは、前記第1搬送波上の前記第1探索空間においてだけ受信され得る、端末。 - 前記複数の制御チャネル候補に限って、前記制御チャネルが前記第1探索空間においてだけ受信され得ることを特徴とする、請求項13に記載の端末。
- 前記複数の制御チャネル候補で制御チャネルが検出される場合、前記制御チャネルは前記第1探索空間において受信されたものと見なされることを特徴とする、請求項13に記載の端末。
- 前記複数の制御チャネル候補を監視することは、前記制御チャネルが前記第1探索空間においてだけ受信され得るという仮定のもとで行われることを特徴とする、請求項13に記載の端末。
- 前記複数の制御チャネル候補は、巡回冗長検査ビット(CRC)が前記同一のRNTIによってスクランブルされることを特徴とする、請求項13に記載の端末。
- 前記情報サイズは、ダウンリンク制御情報(DCI)ペイロードサイズであることを特徴とする、請求項13に記載の端末。
- 前記第1探索空間は共通探索空間であり、前記第2探索空間は端末特定探索空間であることを特徴とする、請求項13に記載の端末。
- 前記制御チャネルは物理ダウンリンク制御チャネル(PDCCH)であり、前記制御チャネル候補はPDCCH候補であることを特徴とする、請求項13に記載の端末。
- 前記第1搬送波と前記第2搬送波とは同一であることを特徴とする、請求項13に記載の端末。
- 前記複数の制御チャネル候補は、前記第1探索空間と前記第2探索空間との重複によって発生することを特徴とする、請求項13に記載の端末。
- 前記プロセッサはまたサブフレームを受信するように構成され、
前記サブフレームは、前部に一つ以上の連続した直交周波数分割多重化(OFDM)シンボルによって構成された制御領域を含み、前記第1探索空間及び前記第2探索空間は同じ制御領域内に存在することを特徴とする、請求項13に記載の端末。 - 前記プロセッサはまた前記制御チャネルによる動作を行うように構成されたことを特徴とする、請求項13に記載の端末。
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JP2013523022A (ja) * | 2010-03-18 | 2013-06-13 | クゥアルコム・インコーポレイテッド | Lteにおけるpdcchペイロードサイズのあいまいさを解決する方法 |
WO2017013728A1 (ja) * | 2015-07-21 | 2017-01-26 | 富士通株式会社 | 送信装置、受信装置、無線通信システム、及び、処理方法 |
WO2021140673A1 (ja) * | 2020-01-10 | 2021-07-15 | 株式会社Nttドコモ | 端末及び通信方法 |
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JP2016040929A (ja) * | 2010-03-18 | 2016-03-24 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | Lteにおけるpdcchペイロードサイズのあいまいさを解決する方法 |
US10439786B2 (en) | 2010-03-18 | 2019-10-08 | Qualcomm Incorporated | Methods of resolving PDCCH confusion in LTE |
US11108532B2 (en) | 2010-03-18 | 2021-08-31 | Qualcomm Incorporated | Methods of resolving PDCCH confusion in LTE |
WO2017013728A1 (ja) * | 2015-07-21 | 2017-01-26 | 富士通株式会社 | 送信装置、受信装置、無線通信システム、及び、処理方法 |
WO2021140673A1 (ja) * | 2020-01-10 | 2021-07-15 | 株式会社Nttドコモ | 端末及び通信方法 |
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JP5952199B2 (ja) | 2016-07-13 |
EP2547017A4 (en) | 2016-12-21 |
US20120320838A1 (en) | 2012-12-20 |
EP2547018B1 (en) | 2020-02-12 |
US20140169313A1 (en) | 2014-06-19 |
WO2011112036A3 (ko) | 2012-01-12 |
US10251169B2 (en) | 2019-04-02 |
KR101915134B1 (ko) | 2018-11-05 |
US9577808B2 (en) | 2017-02-21 |
CN105939182B (zh) | 2019-11-01 |
ES2690258T3 (es) | 2018-11-20 |
JP2016178695A (ja) | 2016-10-06 |
CN105939182A (zh) | 2016-09-14 |
CN105939183A (zh) | 2016-09-14 |
WO2011112037A3 (ko) | 2012-01-12 |
JP6204537B2 (ja) | 2017-09-27 |
KR101857657B1 (ko) | 2018-05-14 |
WO2011112037A2 (ko) | 2011-09-15 |
EP2547017B1 (en) | 2018-08-29 |
WO2011112036A2 (ko) | 2011-09-15 |
EP2547018A2 (en) | 2013-01-16 |
US20120327917A1 (en) | 2012-12-27 |
US20170181137A1 (en) | 2017-06-22 |
US8811326B2 (en) | 2014-08-19 |
CN102783064B (zh) | 2016-07-06 |
KR20180064499A (ko) | 2018-06-14 |
KR20130038181A (ko) | 2013-04-17 |
EP2547017A2 (en) | 2013-01-16 |
CN102783064A (zh) | 2012-11-14 |
US8687584B2 (en) | 2014-04-01 |
EP2547018A4 (en) | 2016-06-29 |
CN105939183B (zh) | 2019-07-02 |
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