JP6852813B2 - Csi報告提供の可否を決定するための装置および方法 - Google Patents
Csi報告提供の可否を決定するための装置および方法 Download PDFInfo
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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
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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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
- H04B7/0632—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
- 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
- H04B7/0643—Feedback on request
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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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- 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 signalling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
-
- 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
- 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
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Description
Claims (15)
- チャネル状態情報(Channel State Information:CSI)報告を伝送するように構成されている無線伝送/受信ユニット(Wireless Transmit/Receive Unit:WTRU)であって、
トランシーバと、
物理下りリンク制御チャネル(Physical Downlink Control Channel:PDCCH)上で非周期的CSI報告リクエストを、前記トランシーバを介して受信するように構成されたプロセッサとを有し、
前記プロセッサは、
前記非周期的CSI報告リクエストが受信される前記PDCCHの最後のシンボルと、対応するCSI報告の送信のための上りリンクチャネルの最初の上りリンクシンボルとの間のタイムギャップを決定し、前記タイムギャップの前記決定はタイミングアドバンス値の考慮を含み、
前記WTRUによって使用されるサブキャリアスペーシングに基づいて時間閾値を決定し、
決定された前記タイムギャップが決定された前記時間閾値よりも短いかどうかを判定し、
前記タイムギャップが前記時間閾値よりも短くない場合には、前記非周期的CSI報告リクエストに応じて前記CSI報告を、前記トランシーバを介して送信するよう構成され、
前記タイムギャップが前記時間閾値よりも短い場合には、前記WTRUからの前記CSI報告の送信は要求されない、
WTRU。 - 前記時間閾値は、さらにCSI報告帯域幅に基づいて決定される、請求項1に記載のWTRU。
- 前記時間閾値は、さらに前記WTRUによって使用されるいくつかのアンテナポートに基づいて決定される、請求項1又は2に記載のWTRU。
- 前記時間閾値は、さらにコードブックタイプに基づいて決定される、請求項1から3のいずれか1項に記載のWTRU。
- 前記上りリンクチャネルは、物理上りリンク共有チャネル(Physical Uplink Shared Channel:PUSCH)および物理上りリンク制御チャネル(PUCCH)を含む、請求項1から4のいずれか1項に記載のWTRU。
- 無線伝送/受信ユニット(Wireless Transmit/Receive Unit:WTRU)によって実施される方法であって、
非周期的チャネル状態情報(Channel State Information:CSI)報告リクエストを物理下りリンク制御チャネル(Physical Downlink Control Channel:PDCCH)上で受信すること、及び
前記非周期的CSI報告リクエストが受信される前記PDCCHの最後のシンボルと、対応するCSI報告の送信のための上りリンクチャネルの最初の上りリンクシンボルとの間のタイムギャップを決定すること、を含み、
ここで、前記タイムギャップを決定することはタイミングアドバンス値の考慮を含み、
前記方法はさらに、
前記WTRUによって使用されるサブキャリアスペーシングに基づいて時間閾値を決定すること、及び
決定された前記タイムギャップが決定された前記時間閾値よりも短いかどうかを判定すること、を含み、
前記タイムギャップが前記時間閾値よりも短くない場合には、前記非周期的CSI報告リクエストに応じて前記CSI報告を送信し、
前記タイムギャップが前記時間閾値よりも短い場合には、前記WTRUからの前記CSI報告の送信は要求されない、
方法。 - 前記時間閾値は、さらに報告されることになるフィードバックの量に基づいて決定される、請求項6に記載の方法。
- 前記WTRUは、タイプ1の単一パネルコードブックを採用し、伝送されるCSI報告は、前記タイプ1の単一パネルコードブックに従うフィードバックを含む、請求項6に記載の方法。
- 伝送されることになる前記CSIは、広帯域周波数粒度に対応する、請求項6に記載の方法。
- 伝送されることになる前記CSIは、最大4つのCSI−RSポートに対応する、請求項6に記載の方法。
- 前記時間閾値の前記決定に関連した1つまたは複数のパラメータを、無線リソース制御(Radio Resource Control:RRC)シグナリングを介して受信することをさらに含む、請求項6に記載の方法。
- 無線通信装置であって、
トランシーバと、
プロセッサとを有し、
前記プロセッサは、
物理下りリンク制御チャネル(Physical Downlink Control Channel:PDCCH)上で非周期的チャネル状態情報(Channel State Information:CSI)報告リクエストを、無線伝送/受信ユニット(Wireless Transmit/Receive Unit:WTRU)へ前記トランシーバを介して送信し、
前記WTRUによって決定されるタイムギャップが時間閾値よりも短くない場合には、前記非周期的CSI報告リクエストに応答してCSI報告を前記WTRUから前記トランシーバを介して受信するよう構成され、
前記タイムギャップが前記時間閾値よりも短い場合には、前記CSI報告の受信は要求されず、
前記タイムギャップは前記非周期的CSI報告リクエストが前記WTRUによって受信される前記PDCCHの最後のシンボルと、前記WTRUからの対応するCSI報告の送信のための上りリンクチャネルの最初の上りリンクシンボルとの間のタイムギャップであり、前記タイムギャップはタイミングアドバンス値の考慮を含み、
前記時間閾値は前記WTRUによって使用されるサブキャリアスペーシングに基づく、
無線通信装置。 - 前記無線通信装置は、gNB又はgNBを構成する複数のネットワークエレメントのうちの1つである、請求項12に記載の無線通信装置。
- 無線通信装置の方法であって、
物理下りリンク制御チャネル(Physical Downlink Control Channel:PDCCH)上で非周期的チャネル状態情報(Channel State Information:CSI)報告リクエストを、無線伝送/受信ユニット(Wireless Transmit/Receive Unit:WTRU)へ送信すること、及び
前記WTRUによって決定されるタイムギャップが時間閾値よりも短くない場合には、前記非周期的CSI報告リクエストに応答してCSI報告を前記WTRUから受信すること、を含み、
前記タイムギャップが前記時間閾値よりも短い場合には、前記CSI報告の受信は要求されず、
前記タイムギャップは前記非周期的CSI報告リクエストが前記WTRUによって受信される前記PDCCHの最後のシンボルと、前記WTRUからの対応するCSI報告の送信のための上りリンクチャネルの最初の上りリンクシンボルとの間のタイムギャップであり、前記タイムギャップはタイミングアドバンス値の考慮を含み、
前記時間閾値は前記WTRUによって使用されるサブキャリアスペーシングに基づく、
無線通信装置の方法。 - 前記無線通信装置は、gNB又はgNBを構成する複数のネットワークエレメントのうちの1つである、請求項14に記載の方法。
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| US62/565,687 | 2017-09-29 | ||
| PCT/US2018/037083 WO2018231812A1 (en) | 2017-06-14 | 2018-06-12 | Apparatus and method for determining whether to provide a csi report |
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| JP2021100274A (ja) | 2021-07-01 |
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