JP6385980B2 - 協調的送信を支援する無線通信システムにおいてデータを受信する方法及び装置 - Google Patents
協調的送信を支援する無線通信システムにおいてデータを受信する方法及び装置 Download PDFInfo
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- JP6385980B2 JP6385980B2 JP2016095227A JP2016095227A JP6385980B2 JP 6385980 B2 JP6385980 B2 JP 6385980B2 JP 2016095227 A JP2016095227 A JP 2016095227A JP 2016095227 A JP2016095227 A JP 2016095227A JP 6385980 B2 JP6385980 B2 JP 6385980B2
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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
- 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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- 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]
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
-
- 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
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
-
- 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 signaling, i.e. of overhead other than pilot signals
-
- 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 signaling, i.e. of overhead other than pilot signals
- H04L5/0057—Physical resource allocation for CQI
-
- 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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- 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
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- 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
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- 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
- H04L5/0058—Allocation criteria
- H04L5/0073—Allocation arrangements that take into account other cell interferences
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Description
以下の実施例は、本発明の構成要素と特徴を所定の形態で結合したものである。各構成要素又は特徴は、特別の言及がない限り、選択的なものと考慮すればよい。各構成要素又は特徴は、他の構成要素や特徴と結合していない形態で実施されもてよく、一部の構成要素及び/又は特徴を結合して本発明の実施例を構成してもよい。本発明の実施例で説明される動作の順序は変更されてもよい。ある実施例の一部の構成や特徴は、他の実施例に含まれてもよく、他の実施例の対応する構成又は特徴に取り替えられてもよい。
Claims (15)
- ユーザ機器(UE)が物理下りリンク共有チャネル(PDSCH)を受信する方法であって、
多重の0の電力(zero−power:ZP)CSI−RS(Channel−State Information−Reference Signal)リソースについての情報を、無線リソース制御(RRC)シグナリングを介して受信するステップと、
物理下りリンク制御チャネル(PDCCH)を介して、PDSCHをスケジューリングするための下りリンク制御情報(DCI)を受信するステップであって、前記DCIは、前記UEに構成された多重のNZP CSI−RSリソースの中の0でない電力CSI−RS(NZP CSI−RS)リソースを特定するフィールドを含む、ステップと、
前記PDSCHが前記多重のZP CSI−RSリソースの一つにマップされないと仮定することにより、前記DCIに基づいてPDSCHリソースを決定するステップと、
前記PDSCHリソースからデータを取得するステップと、を含み、
前記PDSCHがマップされない前記一つのZP CSI−RSリソースは、前記NZP CSI−RSリソースを特定する前記DCIのフィールドにより特定される、方法。 - 前記PDSCHリソースを決定するステップにおいて、前記UEは、前記DCIのフィールドにより特定される前記一つのZP CSI−RSリソース以外のZP CSI−RSリソースに前記PDSCHがマップされると推定する、請求項1に記載の方法。
- 前記多重のZP CSI−RSリソースは協調マルチポイント(CoMP)動作と関連する、請求項1に記載の方法。
- 無線リソース制御(RRC)シグナリングを介して1つ以上の干渉測定リソース(IMR)についての情報を受信するステップをさらに含む、請求項1に記載の方法。
- 前記1つ以上のIMRのそれぞれは、前記多重のZP CSI−RSリソースのいずれか一つの中に存在する、請求項4に記載の方法。
- 前記DCIの中のフィールドのサイズは、2ビットに対応する、請求項1に記載の方法。
- 前記多重のNZP CSI−RSリソースについての情報をRRCシグナリングを介して受信するステップを更に含み、
前記多重のZP CSI−RSリソースは前記多重NZP CSI−RSリソースとそれぞれ関連し、
前記PDSCHがマップされない前記一つのZP CSI−RSリソースは、前記DCIのフィールドにより特定された前記NZP CSI−RSリソースに関連する、請求項1に記載の方法。 - 請求項1に記載された方法を実行するプログラムを格納した非一時的なコンピュータ読み取り可能な記憶媒体。
- 物理下りリンク共有チャネル(PDSCH)を受信するユーザ機器(UE)であって、
多重の0の電力(zero−power:ZP)CSI−RS(Channel−State Information−Reference Signal)リソースについての情報を、無線リソース制御(RRC)シグナリングを介して受信し、物理下りリンク制御チャネル(PDCCH)を介してPDSCHをスケジューリングするために、前記UEに構成された多重のNZP CSI−RSリソースの中の0でない電力CSI−RS(NZP CSI−RS)リソースを特定するフィールドを含む、下りリンク制御情報(DCI)を受信するように構成された受信機と、
前記PDSCHは前記多重のZP CSI−RSリソースの一つにマップしないと推定して前記DCIに基づいてPDSCHリソースを決定し、前記PDSCHリソースからデータを取得するように構成されたプロセッサと、
を含み、
前記PDSCHがマップされない前記一つのZP CSI−RSリソースは、前記NZP CSI−RSリソースを特定する前記DCIのフィールドにより特定される、UE。 - 前記PDSCHリソースを決定することにおいて、前記プロセッサは、前記DCIのフィールドにより特定される前記一つのZP CSI−RSリソース以外のZP CSI−RSリソースに前記PDSCHがマップされると推定する、請求項9に記載のUE。
- 前記多重のZP CSI−RSリソースは協調マルチポイント(CoMP)動作と関連する、請求項9に記載のUE。
- 前記受信機は、無線リソース制御(RRC)シグナリングを介して1以上の干渉測定リソース(IMR)についての情報を受信する、請求項9に記載のUE。
- 前記1つ以上のIMRのそれぞれは、前記多重のZP CSI−RSリソースのいずれか一つの中に存在する、請求項12に記載のUE。
- 前記DCIの中の前記フィールドのサイズは、2ビットに対応する、請求項9に記載のUE。
- 前記受信機は、前記多重のNZP CSI−RSリソースについての情報をRRCシグナリングを介して受信し、
前記多重のZP CSI−RSリソースは前記多重NZP CSI−RSリソースとそれぞれ関連し、
前記PDSCHがマップされない前記一つのZP CSI−RSリソースは、前記DCIのフィールドにより特定された前記NZP CSI−RSリソースに関連する、請求項9に記載のUE。
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US (7) | US9497001B2 (ja) |
EP (2) | EP2897407A4 (ja) |
JP (5) | JP2015530815A (ja) |
KR (5) | KR101645496B1 (ja) |
CN (3) | CN104272609B (ja) |
DE (1) | DE112013002479B4 (ja) |
IN (2) | IN2015MN00568A (ja) |
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