JP7342160B2 - 大規模アンテナシステムにおけるリソース割り当て装置及び方法 - Google Patents
大規模アンテナシステムにおけるリソース割り当て装置及び方法 Download PDFInfo
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Description
下記の<式1>は、k番目の端末が測定した
下記の<式2>は、k番目の端末が測定した
下記の<式3>は、多重ランクの伝送時に、k番目の端末が
<式4>によると、端末は、SU-CQIとMU-CQIとの差
2.報告モード1-1:RI、wCQI、PMI
3.報告モード2-0:RI、wCQI、狭帯域(subband)CQI(sCQI)
4.報告モード2-1:RI、wCQI、sCQI、PMI
2.狭帯域CQI(sCQI)を基準としてフィードバックする場合
3.wCQIとsCQIに別途にフィードバックする場合
2.以後LTE標準でMU-MIMOに関するCSIが定義される場合
こともある。
SI-RSの構成に対する一例を示す。
該当CSI-RS構成の実際CSI-RSポートインデックスが
左側下段で2番目に位置したCSI-RSリソースから水平方向に移動しつつCSI-RSポートインデックス20乃至24を順次に与えることができる。同一の方式で残りのCSI-RSリソースに対してCSI-RSポートインデックス25乃至29を順次に与えられる。
510 基地局
520 端末
710 制御部
720 通信部
712 リソース割り当て部
810 制御部
820 通信部
812 チャンネル推定部
Claims (8)
- 基地局が基準信号を伝送する方法であって、
少なくとも二つのCSI-RSリソースに関する情報及びCSI-RSに関するアンテナポートの総個数に係わる情報を含む構成情報を端末に伝送するステップと、
前記少なくとも二つのCSI-RSリソースに関する情報及び前記CSI-RSに関するアンテナポートの総個数に基づいて、複数のCSI-RSを前記端末に伝送するステップと、を有し、
前記CSI-RSに関するアンテナポートの総個数は、少なくとも二つのCSI-RSリソースの個数と一つのCSI-RSに関するアンテナポートの個数との積に基づいて定義され、
前記少なくとも二つのCSI-RSリソースに関する情報は、ビットマップを含み、前記ビットマップは、前記ビットマップの少なくとも一つのビットそれぞれに対応する少なくとも一つのリソース要素が前記少なくとも二つのCSI-RSリソースに対して割り当てられたか否かを指し、
前記少なくとも二つのCSI-RSリソースは、前記端末がチャネル状態を測定するリソースであり、
前記少なくとも二つのCSI-RSリソースそれぞれは、等しい個数のCSI-RSに関するアンテナポートで構成される、方法。 - 前記CSI-RSに関するアンテナポートの総個数は、8個以上であ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ける基準信号を伝送する基地局であって、
送受信部と、
前記送受信部が少なくとも二つのCSI-RSリソースに関する情報及びCSI-RSに関するアンテナポートの個数に係わる情報を含む構成情報を端末に伝送し、
前記少なくとも二つのCSI-RSリソースに関する情報及び前記CSI-RSに関するアンテナポートの総個数に基づいて、複数のCSI-RSを前記端末に伝送するように制御する制御部と、を有し、
前記CSI-RSに関するアンテナポートの総個数は、前記少なくとも二つのCSI-RSリソースの個数と一つのCSI-RSに関するアンテナポートの個数との積に基づいて定義され、
前記少なくとも二つのCSI-RSリソースに関する情報は、ビットマップを含み、前記ビットマップは、前記ビットマップの少なくとも一つのビットそれぞれに対応する少なくとも一つのリソース要素が前記少なくとも二つのCSI-RSリソースに対して割り当てられたか否かを指し、
前記少なくとも二つのCSI-RSリソースは、前記端末がチャネル状態を測定するリソースであり、
前記少なくとも二つのCSI-RSリソースそれぞれは、等しい個数のCSI-RSに関するアンテナポートで構成される、基地局。 - 前記CSI-RSに関するアンテナポートの総個数は、8個以上であることを特徴とする請求項3に記載の基地局。
- 無線通信システムにおける端末による方法であって、
少なくとも二つのCSI-RSリソースに関する情報及びCSI-RSに関するアンテナポートの総個数に係わる情報を含む構成情報を基地局から受信するステップと、
前記少なくとも二つのCSI-RSリソースに関する情報及び前記CSI-RSに関するアンテナポートの総個数に基づいて、複数のCSI-RSを前記基地局から受信するステップと、を有し、
前記CSI-RSに関するアンテナポートの総個数は、少なくとも二つのCSI-RSリソースの個数と一つのCSI-RSに関するアンテナポートの個数との積に基づいて定義され、
前記少なくとも二つのCSI-RSリソースに関する情報は、ビットマップを含み、前記ビットマップは、前記ビットマップの少なくとも一つのビットそれぞれに対応する少なくとも一つのリソース要素が前記少なくとも二つのCSI-RSリソースに対して割り当てられたか否かを指し、
前記少なくとも二つのCSI-RSリソースは、前記端末がチャネル状態を測定するリソースであり、
前記少なくとも二つのCSI-RSリソースそれぞれは、等しい個数のCSI-RSに関するアンテナポートで構成される、方法。 - 前記CSI-RSに関するアンテナポートの総個数は、8個以上であることを特徴とする請求項5に記載の方法。
- 無線通信システムにおける端末であって、
送受信部と、
前記送受信部が少なくとも二つのCSI-RSリソースに関する情報及びCSI-RSに関するアンテナポートの総個数に係わる情報を含む構成情報を基地局から受信し、
前記少なくとも二つのCSI-RSリソースに関する情報及び前記CSI-RSに関するアンテナポートの総個数に基づいて、複数のCSI-RSを前記基地局から受信するように制御する制御部と、を有し、
前記CSI-RSに関するアンテナポートの総個数は、少なくとも二つのCSI-RSリソースの個数と一つのCSI-RSに関するアンテナポートの個数との積に基づいて定義され、
前記少なくとも二つのCSI-RSリソースに関する情報は、ビットマップを含み、前記ビットマップは、前記ビットマップの少なくとも一つのビットそれぞれに対応する少なくとも一つのリソース要素が前記少なくとも二つのCSI-RSリソースに対して割り当てられたか否かを指し、
前記少なくとも二つのCSI-RSリソースは、前記端末がチャネル状態を測定するリソースであり、
前記少なくとも二つのCSI-RSリソースそれぞれは、等しい個数のCSI-RSに関するアンテナポートで構成される、端末。 - 前記CSI-RSに関するアンテナポートの総個数は、8個以上であることを特徴とする請求項7に記載の端末。
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US201562139347P | 2015-03-27 | 2015-03-27 | |
US62/139,347 | 2015-03-27 | ||
US201562161398P | 2015-05-14 | 2015-05-14 | |
US62/161,398 | 2015-05-14 | ||
US201562200930P | 2015-08-04 | 2015-08-04 | |
US62/200,930 | 2015-08-04 | ||
US201562204694P | 2015-08-13 | 2015-08-13 | |
US62/204,694 | 2015-08-13 | ||
US201562207619P | 2015-08-20 | 2015-08-20 | |
US62/207,619 | 2015-08-20 | ||
JP2018501842A JP7085983B2 (ja) | 2015-03-27 | 2016-03-28 | 大規模アンテナシステムにおけるリソース割り当て装置及び方法 |
PCT/KR2016/003166 WO2016159621A1 (ko) | 2015-03-27 | 2016-03-28 | 대규모 안테나 시스템에서 자원 할당 장치 및 방법 |
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