JP6987336B2 - 基地局装置、端末装置および通信方法 - Google Patents

基地局装置、端末装置および通信方法 Download PDF

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Publication number
JP6987336B2
JP6987336B2 JP2018172520A JP2018172520A JP6987336B2 JP 6987336 B2 JP6987336 B2 JP 6987336B2 JP 2018172520 A JP2018172520 A JP 2018172520A JP 2018172520 A JP2018172520 A JP 2018172520A JP 6987336 B2 JP6987336 B2 JP 6987336B2
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base station
terminal device
value
csi
information
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Japanese (ja)
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JP2020047982A5 (https=
JP2020047982A (ja
Inventor
宏道 留場
良太 山田
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FG Innovation Co Ltd
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FG Innovation Co Ltd
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Priority to JP2018172520A priority Critical patent/JP6987336B2/ja
Priority to CN201980059796.9A priority patent/CN112690017B/zh
Priority to EP19858838.6A priority patent/EP3852429B1/en
Priority to PCT/JP2019/035161 priority patent/WO2020054606A1/ja
Priority to US17/275,001 priority patent/US11968141B2/en
Publication of JP2020047982A publication Critical patent/JP2020047982A/ja
Publication of JP2020047982A5 publication Critical patent/JP2020047982A5/ja
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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
    • H04B7/063—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
    • 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
    • H04B7/0417—Feedback 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
    • H04B7/06—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
    • 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
    • H04B7/0665—Feed forward of transmit weights to the receiver

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2018172520A 2018-09-14 2018-09-14 基地局装置、端末装置および通信方法 Active JP6987336B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2018172520A JP6987336B2 (ja) 2018-09-14 2018-09-14 基地局装置、端末装置および通信方法
CN201980059796.9A CN112690017B (zh) 2018-09-14 2019-09-06 基站装置、终端装置以及通信方法
EP19858838.6A EP3852429B1 (en) 2018-09-14 2019-09-06 Base station device, terminal device, and communications method
PCT/JP2019/035161 WO2020054606A1 (ja) 2018-09-14 2019-09-06 基地局装置、端末装置および通信方法
US17/275,001 US11968141B2 (en) 2018-09-14 2019-09-06 Base station apparatus, terminal apparatus, and communication method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018172520A JP6987336B2 (ja) 2018-09-14 2018-09-14 基地局装置、端末装置および通信方法

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JP2020047982A JP2020047982A (ja) 2020-03-26
JP2020047982A5 JP2020047982A5 (https=) 2021-04-08
JP6987336B2 true JP6987336B2 (ja) 2021-12-22

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JP2018172520A Active JP6987336B2 (ja) 2018-09-14 2018-09-14 基地局装置、端末装置および通信方法

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US (1) US11968141B2 (https=)
EP (1) EP3852429B1 (https=)
JP (1) JP6987336B2 (https=)
CN (1) CN112690017B (https=)
WO (1) WO2020054606A1 (https=)

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US12389347B2 (en) * 2019-10-10 2025-08-12 Qualcomm Incorporated Indication of synchronization signal and physical broadcasting channel block transmission beam adjustment
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US12574174B2 (en) * 2020-08-17 2026-03-10 Qualcomm Incorporated Reference signal configuration to account for a compression factor associated with transmit (TX) nonlinearity
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US11658850B2 (en) * 2021-05-10 2023-05-23 Qualcomm Incorporated Phase tracking reference signal activation based on repetition indication or demodulation reference signal bundling indication
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US12490198B2 (en) * 2023-03-06 2025-12-02 Qualcomm Incorporated Downlink power control in wireless communications
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Also Published As

Publication number Publication date
EP3852429A4 (en) 2022-03-30
US20220060297A1 (en) 2022-02-24
EP3852429A1 (en) 2021-07-21
CN112690017A (zh) 2021-04-20
WO2020054606A1 (ja) 2020-03-19
EP3852429B1 (en) 2023-11-08
JP2020047982A (ja) 2020-03-26
CN112690017B (zh) 2024-03-26
US11968141B2 (en) 2024-04-23

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