JP2017511665A - 無線通信システムにおける非周期的チャネル状態情報を処理する方法及び装置 - Google Patents
無線通信システムにおける非周期的チャネル状態情報を処理する方法及び装置 Download PDFInfo
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- JP2017511665A JP2017511665A JP2016562908A JP2016562908A JP2017511665A JP 2017511665 A JP2017511665 A JP 2017511665A JP 2016562908 A JP2016562908 A JP 2016562908A JP 2016562908 A JP2016562908 A JP 2016562908A JP 2017511665 A JP2017511665 A JP 2017511665A
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- H—ELECTRICITY
- 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
- H04B7/0626—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
- H04B7/022—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
-
- 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
- H04B7/0636—Feedback format
- H04B7/0645—Variable feedback
- H04B7/0647—Variable feedback rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
- H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (15)
- 無線通信システムにおける端末(UE(user equipment))による非周期的チャネル状態情報(CSI(channel state information))を処理する方法であって、
非周期的CSI報告に対する要求を受信するステップと、
二重接続でMeNB(master evolved NodeB)及びSeNB(secondary eNB)に対する前記非周期的CSI報告の能力を割り当てるステップと、を含む方法。 - 前記非周期的CSI報告の能力の個数は5である、請求項1に記載の方法。
- 前記非周期的CSI報告の能力まで前記非周期的CSI報告を処理するステップをさらに含む、請求項1に記載の方法。
- 前記非周期的CSI報告に対する要求は、搬送波グループ別にサブフレームに対して最大1回受信される、請求項1に記載の方法。
- 前記MeNB及び前記SeNBに対する前記非周期的CSI報告の能力は、互いに異なるeNB(evolved NodeB)間に前記非周期的CSI報告の能力の半静的分割が存在するか否かに関係なく割り当てられる、請求項1に記載の方法。
- 前記MeNBに対する前記非周期的CSI報告の能力は、上位層により構成される、請求項1に記載の方法。
- 前記非周期的CSI報告に対する要求は、前記MeNB及び前記SeNBに対する前記非周期的CSI報告の能力を超過する、請求項6に記載の方法。
- 前記非周期的CSIの能力は、前記MeNBに対して先に割り当てられる、請求項6に記載の方法。
- 前記非周期的CSIの能力は、前記MeNB及び前記SeNBに対して交代に割り当てられる、請求項6に記載の方法。
- 前記要求された非周期的CSI報告が、前記非周期的CSI報告の能力によって処理されることができず、データがスケジューリングされなかったとき、前記非周期的CSI報告は除外される、請求項9に記載の方法。
- 前記要求された非周期的CSI報告が、前記非周期的CSI報告の能力によって処理されることができず、データがスケジューリングされたとき、PUSCH(physical uplink shared channel)で前記非周期的CSI報告は省略される、請求項9に記載の方法。
- 無線通信システムでの端末(UE(user equipment))であって、
メモリと、
送受信部と、
前記メモリ及び前記送受信部と結合されるプロセッサと、
を備え、
前記プロセッサは、
非周期的CSI(channel state information)報告に対する要求を受信し、
二重接続でMeNB(master evolved NodeB)及びSeNB(secondary eNB)に対する前記非周期的CSI報告の能力を割り当てるように構成される、端末。 - 前記非周期的CSI報告の能力の個数は5である、請求項12に記載の端末。
- 前記プロセッサは、前記非周期的CSI報告の能力まで前記非周期的CSI報告を処理するようにさらに構成される、請求項12に記載の端末。
- 前記非周期的CSI報告に対する要求は、搬送波グループ別にサブフレームに対して最大1回受信される、請求項12に記載の端末。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US201461980531P | 2014-04-16 | 2014-04-16 | |
US61/980,531 | 2014-04-16 | ||
US201462086673P | 2014-12-02 | 2014-12-02 | |
US62/086,673 | 2014-12-02 | ||
PCT/KR2015/003827 WO2015160198A1 (en) | 2014-04-16 | 2015-04-16 | Method and apparatus for processing aperiodic channel state information in wireless communication system |
Publications (2)
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JP2017511665A true JP2017511665A (ja) | 2017-04-20 |
JP6580591B2 JP6580591B2 (ja) | 2019-09-25 |
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JP2016562908A Active JP6580591B2 (ja) | 2014-04-16 | 2015-04-16 | 無線通信システムにおける非周期的チャネル状態情報を処理する方法及び装置 |
Country Status (6)
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US (2) | US9979455B2 (ja) |
EP (1) | EP3132633B1 (ja) |
JP (1) | JP6580591B2 (ja) |
KR (1) | KR102354498B1 (ja) |
CN (1) | CN106233772B (ja) |
WO (1) | WO2015160198A1 (ja) |
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US20180241455A1 (en) | 2018-08-23 |
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US9979455B2 (en) | 2018-05-22 |
WO2015160198A1 (en) | 2015-10-22 |
EP3132633B1 (en) | 2019-03-20 |
US20170041059A1 (en) | 2017-02-09 |
KR20160145009A (ko) | 2016-12-19 |
US10432289B2 (en) | 2019-10-01 |
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