CN109565355B - 用于在无线通信中进行非相干联合传输的方法和装置 - Google Patents

用于在无线通信中进行非相干联合传输的方法和装置 Download PDF

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CN109565355B
CN109565355B CN201780047121.3A CN201780047121A CN109565355B CN 109565355 B CN109565355 B CN 109565355B CN 201780047121 A CN201780047121 A CN 201780047121A CN 109565355 B CN109565355 B CN 109565355B
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codeword
transmission
ncjt
mimo
layers
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CN109565355A (zh
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J·孙
W·陈
P·盖尔
H·徐
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Qualcomm Inc
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Qualcomm Inc
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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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/06—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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
CN201780047121.3A 2016-08-12 2017-08-04 用于在无线通信中进行非相干联合传输的方法和装置 Active CN109565355B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662374603P 2016-08-12 2016-08-12
US62/374,603 2016-08-12
US15/667,801 2017-08-03
US15/667,801 US10367566B2 (en) 2016-08-12 2017-08-03 Techniques for non-coherent joint transmissions in wireless communications
PCT/US2017/045448 WO2018031397A1 (en) 2016-08-12 2017-08-04 Techniques for non-coherent joint transmissions in wireless communications

Publications (2)

Publication Number Publication Date
CN109565355A CN109565355A (zh) 2019-04-02
CN109565355B true CN109565355B (zh) 2021-12-03

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CN201780047121.3A Active CN109565355B (zh) 2016-08-12 2017-08-04 用于在无线通信中进行非相干联合传输的方法和装置

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Country Link
US (1) US10367566B2 (enExample)
EP (1) EP3497835B9 (enExample)
JP (1) JP7078607B2 (enExample)
CN (1) CN109565355B (enExample)
BR (1) BR112019002440A2 (enExample)
TW (1) TWI758309B (enExample)
WO (1) WO2018031397A1 (enExample)

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WO2020197286A1 (ko) * 2019-03-26 2020-10-01 엘지전자 주식회사 무선 통신 시스템에서 데이터 송수신 방법 및 이에 대한 장치
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Publication number Publication date
EP3497835A1 (en) 2019-06-19
TWI758309B (zh) 2022-03-21
TW201811096A (zh) 2018-03-16
JP7078607B2 (ja) 2022-05-31
BR112019002440A2 (pt) 2019-05-14
WO2018031397A1 (en) 2018-02-15
US20180048372A1 (en) 2018-02-15
US10367566B2 (en) 2019-07-30
CN109565355A (zh) 2019-04-02
EP3497835B1 (en) 2023-11-22
JP2019525618A (ja) 2019-09-05
EP3497835B9 (en) 2024-07-17

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