JP6069190B2 - マルチポイント協調伝送を設定する方法、基地局、ユーザ端末及び無線通信システム - Google Patents
マルチポイント協調伝送を設定する方法、基地局、ユーザ端末及び無線通信システム Download PDFInfo
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- 238000013461 design Methods 0.000 description 3
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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
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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
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
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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
- 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
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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
- H04B7/0617—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 for beam forming
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- 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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- Mobile Radio Communication Systems (AREA)
Description
1)DCI format 2D/2Eとして、DCI format 2Bを直接使用する。
2)DCI format 2Bを基に、ジョイントスケジューリングに参加するUEの情報(例えば、ジョイントスケジューリングに参加するUEの復調基準信号(DMRS)ポート情報、直交カバーコード(OCC)の長さまたはDMRSポート総数、およびDMRS密度など)を示すための、長さが例えば1〜3bitsであるマルチユーザ情報フィールドを追加することにより、DCI format 2Bを拡張し、拡張されたDCI format 2BをDCI format 2D/2Eとする。具体的な構造は、下記の表4に示す通りである。
4)DCI format 2Cを基に、ジョイントスケジューリングに参加するUEの情報を示すための、長さが例えば1〜7bitsであるマルチユーザ情報フィールドを追加することにより、DCI format 2Cを拡張し、拡張されたDCI format 2CをDCI format 2D/2Eとする。具体的な構造は、下記の表5に示す通りである。
Claims (7)
- マルチポイント協調伝送(CoMP)を設定する方法であって、
基地局(eNB)は、無線リソース制御(RRC)シグナリングにより、ユーザ端末(UE)に対して、CoMPをサポートする伝送モード及びCoMP伝送されるUEの情報を通知し、CoMPをサポートする伝送モードが伝送モード10であり、前記伝送モード10に対応する下り制御情報(DCI)フォーマットがDCI format 2Dである、ことを特徴とする方法。 - 前記DCI format 2Dは、C−RNTIに基づいて、UE specificのサーチスペースに配置されることを特徴とする請求項1に記載の方法。
- 前記CoMP伝送されるUEの情報がデータ復調に必要な参照信号に関する情報である請求項1又は請求項2に記載の方法。
- 前記基地局は、チャネル状態情報(CSI)のフィードバックモードをUEに通知し、
前記UEは、前記伝送モードおよび前記フィードバックモードに基づいて、eNBへCSIをフィードバックする、
ことを特徴とする請求項1から請求項3のいずれかに記載の方法。 - マルチポイント協調伝送(CoMP)の設定に用いられる基地局であって、
無線リソース制御(RRC)シグナリングを介して、ユーザ端末(UE)に対して、CoMPをサポートする伝送モード及びCoMP伝送されるUEの情報を通知し、CoMPをサポートする伝送モードが伝送モード10であり、前記伝送モード10に対応する下り制御情報(DCI)フォーマットがDCI format 2Dである、
ことを特徴とする基地局。 - マルチポイント協調伝送(CoMP)の設定に用いられるユーザ端末であって、
無線リソース制御(RRC)シグナリングを介して、基地局から通知される、CoMPをサポートする伝送モード及びCoMP伝送されるUEの情報を受信し、CoMPをサポートする伝送モードが伝送モード10であり、前記伝送モード10に対応する下り制御情報(DCI)フォーマットがDCI format 2Dである、
ことを特徴とするユーザ端末。 - マルチポイント協調伝送(CoMP)を設定する無線通信システムであって、
基地局は、無線リソース制御(RRC)シグナリングを介して、ユーザ端末(UE)に対して、CoMPをサポートする伝送モードおよびCoMP伝送されるUEの情報を通知し、CoMPをサポートする伝送モードが伝送モード10であり、前記伝送モード10に対応する下り制御情報(DCI)フォーマットがDCI format 2Dであることを特徴とする無線通信システム。
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CN201110111266.X | 2011-04-22 | ||
CN201110111266.XA CN102752083B (zh) | 2011-04-22 | 2011-04-22 | 一种实现多点协作传输配置的方法 |
PCT/JP2012/060850 WO2012144645A1 (ja) | 2011-04-22 | 2012-04-23 | マルチポイント協調伝送の設定を実現する方法 |
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JPWO2012144645A1 JPWO2012144645A1 (ja) | 2014-07-28 |
JP6069190B2 true JP6069190B2 (ja) | 2017-02-01 |
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US (1) | US9647806B2 (ja) |
EP (1) | EP2701428B1 (ja) |
JP (1) | JP6069190B2 (ja) |
KR (1) | KR20140027234A (ja) |
CN (1) | CN102752083B (ja) |
CA (1) | CA2833365A1 (ja) |
WO (1) | WO2012144645A1 (ja) |
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KR102319700B1 (ko) | 2014-05-02 | 2021-11-01 | 삼성전자 주식회사 | 무선 통신 시스템에서 선택적 채널 피드백 방법 및 장치 |
CN105307210B (zh) * | 2014-06-27 | 2018-11-30 | 中国移动通信集团公司 | 一种小区间的协作方法和装置 |
CN104639224B (zh) * | 2015-02-12 | 2018-02-02 | 大唐移动通信设备有限公司 | 一种多协作小区的下行协作多点传输技术CoMP传输方法及设备 |
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CN112152769B (zh) | 2017-09-11 | 2021-10-29 | 维沃移动通信有限公司 | 一种控制资源集的配置方法、网络设备及终端 |
KR102231466B1 (ko) | 2017-11-16 | 2021-03-24 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 무선 통신 네트워크에서의 사이드링크 통신에 대한 리소스 할당 |
CN110149714B (zh) * | 2018-02-13 | 2022-10-04 | 大唐移动通信设备有限公司 | 一种上行传输方法、用户设备及网络设备 |
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Publication number | Publication date |
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CA2833365A1 (en) | 2012-10-26 |
EP2701428A1 (en) | 2014-02-26 |
RU2013150604A (ru) | 2015-05-27 |
EP2701428A4 (en) | 2015-04-22 |
US20140057640A1 (en) | 2014-02-27 |
CN102752083B (zh) | 2017-12-12 |
EP2701428B1 (en) | 2017-11-08 |
WO2012144645A1 (ja) | 2012-10-26 |
CN102752083A (zh) | 2012-10-24 |
KR20140027234A (ko) | 2014-03-06 |
JPWO2012144645A1 (ja) | 2014-07-28 |
US9647806B2 (en) | 2017-05-09 |
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