TWI741179B - 用於無線通訊的方法和裝置 - Google Patents

用於無線通訊的方法和裝置 Download PDF

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Publication number
TWI741179B
TWI741179B TW107114765A TW107114765A TWI741179B TW I741179 B TWI741179 B TW I741179B TW 107114765 A TW107114765 A TW 107114765A TW 107114765 A TW107114765 A TW 107114765A TW I741179 B TWI741179 B TW I741179B
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TW
Taiwan
Prior art keywords
base station
transmission
downlink
downlink transmission
pdsch
Prior art date
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TW107114765A
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English (en)
Chinese (zh)
Other versions
TW201844047A (zh
Inventor
甯 丁
江宏 羅
瑞古納若洋 查拉
吉登史羅莫 庫茲
維珊森 瑞格哈芬
阿薩夫 陶鮑爾
君毅 李
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美商高通公司
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Publication of TW201844047A publication Critical patent/TW201844047A/zh
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Publication of TWI741179B publication Critical patent/TWI741179B/zh

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    • 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
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • H04B7/06958—Multistage beam selection, e.g. beam refinement
    • 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
    • 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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • 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
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
TW107114765A 2017-05-01 2018-05-01 用於無線通訊的方法和裝置 TWI741179B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201762492893P 2017-05-01 2017-05-01
US62/492,893 2017-05-01
US15/965,351 2018-04-27
US15/965,351 US10743319B2 (en) 2017-05-01 2018-04-27 Method of base station beam refinement

Publications (2)

Publication Number Publication Date
TW201844047A TW201844047A (zh) 2018-12-16
TWI741179B true TWI741179B (zh) 2021-10-01

Family

ID=63917005

Family Applications (1)

Application Number Title Priority Date Filing Date
TW107114765A TWI741179B (zh) 2017-05-01 2018-05-01 用於無線通訊的方法和裝置

Country Status (9)

Country Link
US (1) US10743319B2 (enExample)
EP (1) EP3619827B1 (enExample)
JP (1) JP7175918B2 (enExample)
KR (1) KR102227926B1 (enExample)
CN (1) CN110546895B (enExample)
BR (1) BR112019022198A2 (enExample)
SG (1) SG11201908407VA (enExample)
TW (1) TWI741179B (enExample)
WO (1) WO2018204208A1 (enExample)

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US10469298B2 (en) * 2017-05-12 2019-11-05 Qualcomm Incorporated Increasing reference signal density in wireless communications
US10567065B2 (en) 2017-08-11 2020-02-18 National Instruments Corporation Radio frequency beam management and failure pre-emption
CN114175712B (zh) * 2019-07-31 2024-09-10 高通股份有限公司 使与波束切换相关联的误块率(bler)最小化
CN117915274A (zh) * 2019-09-05 2024-04-19 联想（新加坡）私人有限公司 确定用于侧链路传输的天线面板
WO2021062614A1 (en) 2019-09-30 2021-04-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and network device for beam vector selection
US11672006B2 (en) * 2020-02-21 2023-06-06 Qualcomm Incorporated Message 3 repetition with receive beam sweep and associated beam refinement for message 4
CN112583471B (zh) * 2020-12-15 2022-08-12 中国空间技术研究院 一种卫星通信资源调度方法及装置
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US12381321B2 (en) 2021-09-07 2025-08-05 International Business Machines Corporation Distributed calculation of beamforming parameters for phased arrays
WO2023232885A1 (en) * 2022-05-31 2023-12-07 Telefonaktiebolaget Lm Ericsson (Publ) Communication device operation
EP4287525A1 (en) * 2022-06-01 2023-12-06 Nokia Solutions and Networks Oy Apparatus comprising at least one processor
WO2024170155A1 (en) * 2023-02-17 2024-08-22 Nokia Technologies Oy Apparatus, method, and computer program

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Also Published As

Publication number Publication date
BR112019022198A2 (pt) 2020-05-12
WO2018204208A1 (en) 2018-11-08
SG11201908407VA (en) 2019-11-28
TW201844047A (zh) 2018-12-16
JP2020519117A (ja) 2020-06-25
EP3619827B1 (en) 2025-09-10
JP7175918B2 (ja) 2022-11-21
CN110546895A (zh) 2019-12-06
KR20190141233A (ko) 2019-12-23
KR102227926B1 (ko) 2021-03-12
US10743319B2 (en) 2020-08-11
EP3619827A1 (en) 2020-03-11
CN110546895B (zh) 2023-04-11
US20180317214A1 (en) 2018-11-01
EP3619827C0 (en) 2025-09-10

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