JP2015518678A - 進歩したアンテナシステムにおけるチャンネル品質情報の決定 - Google Patents
進歩したアンテナシステムにおけるチャンネル品質情報の決定 Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 18
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- 101100269674 Mus musculus Alyref2 gene Proteins 0.000 description 1
- 102100035362 Phosphomannomutase 2 Human genes 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/022—Site diversity; Macro-diversity
- H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0452—Multi-user MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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Abstract
Description
Y1=H1V1s1+H1GIsI+n1
一実施形態において、マッピング表又は関係がSU-PMI VのH-PMI及びV-PMIインデックスをGのH-PMI及びV-PMIインデックスに直接マッピングするために定義できる。<表5>は、SU-PMI VのH-PMI及びV-PMIインデックスをGのH-PMI及びV-PMIインデックスに直接マッチングする一例を示す。
101 eNB
102 eNB
103 eNB
111 UE
112 UE
113 UE
114 UE
115 UE
116 UE
120 カバレッジ領域
125 カバレッジ領域
130 ネットワーク
Claims (9)
- 無線通信システムにおけるユーザー端末(UE)での使用のためのチャンネル品質情報(CQI)を決定する方法であって、
基地局(eNB)から第1の同一チャンネルプリコーディング行列インジケータ(PMI)コードブックに関連したシグナリングパラメータを受信するステップと、
決定された単一ユーザーPMI(SU-PMI)と前記受信された前記第1の同一チャンネルPMIコードブックに関連したシグナリングパラメータに基づいて第2の同一チャンネルPMIを決定するステップと、
前記第2の同一チャンネルPMIに基づいて多重ユーザーCQI(MU-CQI)を決定するステップと、
前記MU-CQIを前記eNBに送信するステップと、
を有することを特徴とする方法。 - 無線通信システムにおけるチャンネル品質情報(CQI)を決定するように構成されるユーザー端末(UE)であって、
基地局(eNB)から第1の同一チャンネルプリコーディング行列インジケータ(PMI)コードブックに関連したシグナリングパラメータを受信し、
決定された単一ユーザーPMI(SU-PMI)と前記受信された前記第1の同一チャンネルPMIコードブックに関連したシグナリングパラメータに基づいて第2の同一チャンネルPMIを決定し、
前記第2の同一チャンネルPMIに基づいて多重ユーザーCQI(MU-CQI)を決定し、
前記MU-CQIを前記eNBに送信するように構成されるプロセッサを含むことを特徴とするUE。 - 無線通信システムにおけるeNodeBでの使用のためのチャンネル品質情報(CQI)を決定する方法であって、
第1の同一チャンネルプリコーディング行列インジケータ(PMI)コードブックをユーザー端末(UE)に送信するステップと、
前記UEから多重ユーザーCQI(MU-CQI)を受信するステップと、を有し、
前記MU-CQIは、第2の同一チャンネルPMIと、単一ユーザーPMI(SU-PMI)に基づいた第2の同一チャンネルPMIと前記第1の同一チャンネルPMIコードブックに関連した送信されるシグナリングパラメータに基づいて決定されることを特徴とする方法。 - 無線通信システムにおけるチャンネル品質情報(CQI)を決定するように構成されるeNodeBであって、
第1の同一チャンネルプリコーディング行列インジケータ(PMI)コードブックをユーザー端末(UE)に送信し、
前記UEから多重ユーザーCQI(MU-CQI)を受信するように構成されるプロセッサを含み、
前記MU-CQIは、第2の同一チャンネルPMIと、単一ユーザーPMI(SU-PMI)に基づいた第2の同一チャンネルPMIと前記第1の同一チャンネルPMIコードブックに関連する送信したシグナリングパラメータに基づいて決定されることを特徴とするeNodeB。 - 前記第1の同一チャンネルPMIコードブックは、複数の所定の同一チャンネルPMIコードブックから選択されることを特徴とする請求項1又は3に記載の方法又は請求項2に記載のUEあるいは請求項4に記載のeNodeB。
- 前記UEは、複数の次元のうち第1の次元に関連し、前記第1の同一チャンネルPMIコードブックは、前記第1の次元と直交である前記次元の各々に対するベクトルを含むことを特徴とする請求項5に記載の方法又はUEあるいはeNodeB。
- 前記UEは、複数の次元のうち第1の次元に関連し、前記第1の次元は、水平ドメインでの第1の分割及び垂直ドメインでの第1の分割の共通集合を含み、前記第1の同一チャンネルPMIコードブックは、相互にオーバーラップされず、あるいは前記水平ドメイン又は前記垂直ドメインで前記第1の次元とオーバーラップされない前記次元のサブセットの各々に対するベクトルを含むことを特徴とする請求項5に記載の方法又はUEあるいはeNodeB。
- 前記UEは、複数の次元のうち第1の次元に関連し、前記第1の次元は、水平ドメインでの第1の分割及び垂直ドメインでの第1の分割の共通集合を含み、前記第1の同一チャンネルPMIコードブックは、前記水平ドメイン又は前記垂直ドメインで前記第1の次元とオーバーラップされない前記次元のサブセットの各々に対するベクトルを含むことを特徴とする請求項5に記載の方法又はUEあるいはeNodeB。
- 前記無線通信システムは、全次元多重入力多重出力(FD-MIMO)システムであることを特徴とする請求項1又は3に記載の方法又は請求項2に記載のUEあるいは請求項4に記載のeNodeB。
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US201261620312P | 2012-04-04 | 2012-04-04 | |
US61/620,312 | 2012-04-04 | ||
US13/856,306 | 2013-04-03 | ||
US13/856,306 US9094841B2 (en) | 2012-04-04 | 2013-04-03 | Determination of channel quality information in advanced antenna systems |
PCT/KR2013/002821 WO2013151357A1 (en) | 2012-04-04 | 2013-04-04 | Determination of channel quality information in advanced antenna systems |
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JP2015518678A true JP2015518678A (ja) | 2015-07-02 |
JP6148325B2 JP6148325B2 (ja) | 2017-06-14 |
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US (1) | US9094841B2 (ja) |
EP (1) | EP2648343B1 (ja) |
JP (1) | JP6148325B2 (ja) |
CN (1) | CN104221318B (ja) |
WO (1) | WO2013151357A1 (ja) |
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EP2648343B1 (en) | 2019-11-06 |
JP6148325B2 (ja) | 2017-06-14 |
US9094841B2 (en) | 2015-07-28 |
US20130265899A1 (en) | 2013-10-10 |
CN104221318A (zh) | 2014-12-17 |
CN104221318B (zh) | 2017-06-30 |
WO2013151357A1 (en) | 2013-10-10 |
EP2648343A1 (en) | 2013-10-09 |
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