JP5905972B2 - 無線通信システムにおいて制御情報を送信する方法及び装置 - Google Patents
無線通信システムにおいて制御情報を送信する方法及び装置 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
- H04J11/0079—Acquisition of downlink reference signals, e.g. detection of cell-ID
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
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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
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
- H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
- H04J2211/005—Long term evolution [LTE]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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Description
i)PUSCH及びPUCCHを介して送信された情報のコヒーレントな復調のためのチャネル推定のための復調参照信号(DeModulation−Reference Signal、DMRS)
ii)基地局が、ネットワークが異なる周波数上の上りリンクチャネル品質を測定するための測定参照信号(Sounding Reference Signal、SRS)がある。
i)セル内のすべての端末が共有するセル特定参照信号(Cell−specific Reference Signal、CRS)、
ii)特定端末だけのための端末特定参照信号(UE−specific Reference Signal)、
iii)PDSCHが送信される場合、コヒーレントな復調のために送信されるDMRS、
iv)下りリンクDMRSが送信される場合、チャネル状態情報(CSI)を伝達するためのチャネル状態情報参照信号(CSI−RS)、
v)MBMS単一周波数網(MBSFN)モードで送信される信号に対するコヒーレントな復調のために送信されるMBSFN参照信号、
vi)端末の地理的位置情報を推定するために用いられる測位参照信号(Positioning Reference Signal)、
がある。
式7
(7+((x+offset) mod Mport))
式8
(7+((Startport+floor(x/Periodport)) mod Mport)
Claims (13)
- 無線通信システムにおいて基地局が制御情報を送信する方法であって、
強化物理下りリンク制御チャネル(E−PDCCH)送信のための複数の物理リソースブロック対のうち、少なくとも一つの物理リソースブロック対を用いて端末に対するE−PDCCHを送信するステップを有し、
前記複数の物理リソースブロック対は、一つ以上の物理リソースブロック対集合を含み、
前記E−PDCCHのための復調参照信号の生成に必要なスクランブルシーケンスの初期値を決定するパラメータは、前記各物理リソースブロック対集合に対してそれぞれ設定される、方法。 - 前記一つ以上の物理リソースブロック対集合は、局部型送信のための一つ以上の物理リソースブロック対集合又は分散型送信のための一つ以上の物理リソースブロック対集合のうち、一つ以上の集合を含む、請求項1に記載の方法。
- 前記スクランブルシーケンスの初期値を決定するパラメータは、上位層信号通知によって前記端末に伝達される、請求項2に記載の方法。
- 前記パラメータは、複数のアンテナポートである、請求項2に記載の方法。
- 前記複数のアンテナポートに関する情報は、上位層信号通知によって前記端末に伝達される、請求項4に記載の方法。
- 前記物理リソースブロック対は、前記E−PDCCH送信のための最小リソース単位4個を含む、請求項1に記載の方法。
- 前記E−PDCCH送信のための最小リソース単位にはそれぞれアンテナポートが関係付けられる、請求項4に記載の方法。
- 前記物理リソースブロック対において前記E−PDCCHのための利用可能リソースが減る場合、前記物理リソースブロック対において予め設定されたアンテナポートのうち、一部のアンテナポートだけを使用する、請求項1に記載の方法。
- 無線通信システムにおける基地局であって、
送信モジュールと、
プロセッサと、を備え、
前記プロセッサは、強化物理下りリンク制御チャネル(E−PDCCH)送信のための複数の物理リソースブロック対のうち、少なくとも一つの物理リソースブロック対を用いて端末に対するE−PDCCHを送信し、
前記複数の物理リソースブロック対は、一つ以上の物理リソースブロック対集合を含み、
前記E−PDCCHのための復調参照信号の生成に必要なスクランブルシーケンスの初期値を決定するパラメータは、前記各物理リソースブロック対集合に対してそれぞれ設定される、基地局。 - 前記一つ以上の物理リソースブロック対集合は、局部型送信のための一つ以上の物理リソースブロック対集合又は分散型送信のための一つ以上の物理リソースブロック対集合のうち、一つ以上の集合を含む、請求項9に記載の基地局。
- 前記スクランブルシーケンスの初期値に関する情報は、上位層信号通知によって前記端末に伝達される、請求項9に記載の基地局。
- 前記パラメータは、複数のアンテナポートである、請求項10に記載の基地局。
- 前記複数のアンテナポートに関する情報は、上位層信号通知によって前記端末に伝達される、請求項12に記載の基地局。
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US201261661331P | 2012-06-18 | 2012-06-18 | |
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PCT/KR2012/009544 WO2013070050A1 (ko) | 2011-11-13 | 2012-11-13 | 무선 통신 시스템에서 제어정보 전송 방법 및 장치 |
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JP (2) | JP5905972B2 (ja) |
KR (1) | KR102131832B1 (ja) |
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JP6321707B2 (ja) | 2018-05-09 |
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US10694513B2 (en) | 2020-06-23 |
US20140307700A1 (en) | 2014-10-16 |
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CN107135054A (zh) | 2017-09-05 |
US10244517B2 (en) | 2019-03-26 |
JP2015502695A (ja) | 2015-01-22 |
CN107135054B (zh) | 2020-06-12 |
JP2016131392A (ja) | 2016-07-21 |
US20190159185A1 (en) | 2019-05-23 |
KR20140099237A (ko) | 2014-08-11 |
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EP2779495A4 (en) | 2015-08-19 |
WO2013070050A1 (ko) | 2013-05-16 |
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