JP2017153090A - キャリア集約技術を使用した無線通信システムにおけるセカンダリキャリアの活性化及び非活性化方法、並びに装置 - Google Patents
キャリア集約技術を使用した無線通信システムにおけるセカンダリキャリアの活性化及び非活性化方法、並びに装置 Download PDFInfo
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Abstract
Description
− 上記チャネル状態情報は、該当端末に基地局がリンク適応(link adaptation)とスケジューリングするのに必要なCQI/PMI/RI/PTIなどを含む
■ CQI(Channel Quality Indicator):チャネル品質指示者:ビットエラーの確率10%を満足する推薦される送信フォーマット
■ PMI(Precoding Matrix Index):プリコーディングマトリックスインデックス:closed−loop spatial multiplexingに使用されるインデックス
■ RI(Rank Indicator):ランク指示者:推薦する送信ランク
■ PTI(Precoder Type Indication):プリコーダタイプ指示者
− SCellからPDCCH(Physical Downlink Control CHannel)のモニタリング開始
− サウンディング基準信号(SRS:Sounding Reference Symbol)の送信開始(サウンディング基準信号が設定された場合に限る)
− サウンディング基準信号(SRS:Sounding Reference Symbol)の送信中断
− SCellからPDCCH(Physical Downlink Control CHannel)のモニタリング開始
− サウンディング基準信号(SRS:Sounding Reference Symbol)の送信開始(サウンディング基準信号が設定された場合に限る)
− サウンディング基準信号(SRS:Sounding Reference Symbol)の送信中断
125 MME
130 S−GW
135 UE
701 送受信機
703 多重化および逆多重化装置
705 上位階層
707 制御メッセージ処理部
709 制御部
711 SCell活性化/非活性化処理部
Claims (16)
- キャリア結合を支援する無線通信システムで端末が少なくとも一つのセカンダリセルを非活性化する方法において、
基地局から、第1サブフレームで、前記少なくとも一つのセカンダリセルの非活性化命令を含む制御情報を受信するステップと、
第2サブフレームで、前記少なくとも一つのセカンダリセルの前記非活性化命令に相応する第1動作を行うステップと、
前記第2サブフレームが経過する前に、前記少なくとも一つのセカンダリセルの前記非活性化命令に相応する少なくとも一つの第2動作を行うステップと、を含むことを特徴とする方法。 - 前記第1サブフレームと前記第2サブフレームとのサブフレームの差は8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動作は、
チャネル状態情報報告を終了するものである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、
チャネル品質指示子、プリコーディングマトリックスインデックス、ランク指示子、及びプリコーダタイプ指示子のうち少なくとも一つを含むことを特徴とする請求項3に記載の方法。 - 前記少なくとも一つの第2動作は、
物理下り制御チャネルのモニタリングを中断すること、前記少なくとも一つのセカンダリセルでサウンディングレファレンス信号を伝送することを中断すること、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。 - キャリア結合を支援する無線通信システムで少なくとも一つのセカンダリセルを非活性化する端末において、
基地局と信号を送受信する送受信部と、
基地局から、第1サブフレームで、前記少なくとも一つのセカンダリセルの非活性化命令を含む制御情報を受信し、第2サブフレームで、前記少なくとも一つのセカンダリセルの前記非活性化命令に相応する第1動作を行い、前記第2サブフレームが経過する前に、前記少なくとも一つのセカンダリセルの前記非活性化命令に相応する少なくとも一つの第2動作を行うように制御する制御部と、を含むことを特徴とする端末。 - 前記第1サブフレームと前記第2サブフレームとのサブフレームの差は8であることを特徴とする請求項6に記載の端末。
- 前記第1動作は、
チャネル状態情報報告を終了するものであることを特徴とする請求項6に記載の端末。 - 前記チャネル状態情報は、
チャネル品質指示子、プリコーディングマトリックスインデックス、ランク指示子、及びプリコーダタイプ指示子のうち少なくとも一つを含むことを特徴とする請求項8に記載の端末。 - 前記少なくとも一つの第2動作は、
物理下り制御チャネルのモニタリングを中断すること、前記少なくとも一つのセカンダリセルでサウンディングレファレンス信号を伝送することを中断すること、のうち少なくとも一つを含むことを特徴とする請求項6に記載の端末。 - キャリア結合を支援する無線通信システムで基地局が端末の少なくとも一つのセカンダリセルを非活性化するように制御する方法において、
少なくとも一つのセカンダリセルの非活性化命令を含む制御情報を生成するステップと、
第1サブフレームで、前記制御情報を端末に伝送するステップと、
第2サブフレームで、前記少なくとも一つのセカンダリセルからチャネル状態情報報告を受信するステップと、
前記第2サブフレームが経過する前に、前記少なくとも一つのセカンダリセルに対するサウンディングレファレンス信号の受信を中止するステップと、を含むことを特徴とする基地局。 - 前記第1サブフレームと前記第2サブフレームとのサブフレームの差は8であることを特徴とする請求項11に記載の基地局。
- 前記チャネル状態情報は、
チャネル品質指示子、プリコーディングマトリックスインデックス、ランク指示子、及びプリコーダタイプ指示子のうち少なくとも一つを含むことを特徴とする請求項11に記載の基地局。 - キャリア結合を支援する無線通信システムで端末の少なくとも一つのセカンダリセルを非活性化するように制御する基地局において、
端末と信号を送受信する送受信部と、
少なくとも一つのセカンダリセルの非活性化命令を含む制御情報を生成し、第1サブフレームで、前記制御情報を端末に伝送し、第2サブフレームで、前記少なくとも一つのセカンダリセルからチャネル状態情報報告を受信し、前記第2サブフレームが経過する前に、前記少なくとも一つのセカンダリセルに対するサウンディングレファレンス信号の受信を中止するステップと、を含むことを特徴とする基地局。 - 前記第1サブフレームと前記第2サブフレームとのサブフレームの差は8であることを特徴とする請求項14に記載の基地局。
- 前記チャネル状態情報は、
チャネル品質指示子、プリコーディングマトリックスインデックス、ランク指示子、及びプリコーダタイプ指示子のうち少なくとも一つを含むことを特徴とする請求項14に記載の基地局。
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US201161431635P | 2011-01-11 | 2011-01-11 | |
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KR1020110141875A KR101763751B1 (ko) | 2011-01-11 | 2011-12-26 | 반송파 집적 기술을 사용하는 무선통신시스템에서 부차반송파의 활성화 및 비활성화 방법 및 장치 |
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JP2013548366A Active JP6109747B2 (ja) | 2011-01-11 | 2012-01-11 | キャリア集約技術を使用した無線通信システムにおけるセカンダリキャリアの活性化及び非活性化方法、並びに装置 |
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