RU2020112524A - Предоставление отчетов с csi при многолучевой передаче - Google Patents

Предоставление отчетов с csi при многолучевой передаче Download PDF

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RU2020112524A
RU2020112524A RU2020112524A RU2020112524A RU2020112524A RU 2020112524 A RU2020112524 A RU 2020112524A RU 2020112524 A RU2020112524 A RU 2020112524A RU 2020112524 A RU2020112524 A RU 2020112524A RU 2020112524 A RU2020112524 A RU 2020112524A
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indicator
reporting
inphase
node
csi
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RU2020112524A
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Себастьян ФАКСЕР
Шивэй ГАО
Роберт Марк ХАРРИСОН
Сива МУРУГАНАТХАН
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Телефонактиеболагет Лм Эрикссон (Пабл)
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Publication of RU2020112524A publication Critical patent/RU2020112524A/ru

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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
    • H04B7/0413—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
    • H04B7/0413—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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • 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
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • 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
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • H04B7/04—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
    • H04B7/0619—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
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04B7/0658—Feedback reduction
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Claims (3)

  1. Способ функционирования второго узла (14), подключенного к первому узлу (12, 50) в сети беспроводной связи, для сообщения информации о состоянии канала (CSI) при многолучевой передаче, содержащий этапы, на которых:
  2. сообщают (300А) первому узлу (12, 50) индикатор ранга и индикатор количества лучей в первой передаче; и
  3. сообщают (302А) первому узлу (12, 50) индикатор синфазирования во второй передаче, причем индикатор синфазирования идентифицирует выбранную запись кодовой книги коэффициентов синфазирования, при этом количество битов в индикаторе синфазирования идентифицируется индикатором количества лучей и/или индикатором ранга.
RU2020112524A 2017-02-06 2020-03-27 Предоставление отчетов с csi при многолучевой передаче RU2020112524A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762455440P 2017-02-06 2017-02-06
US62/455,440 2017-02-06

Publications (1)

Publication Number Publication Date
RU2020112524A true RU2020112524A (ru) 2021-09-27

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RU2019127909A RU2718401C1 (ru) 2017-02-06 2017-12-21 Предоставление отчетов с csi при многолучевой передаче
RU2020112524A RU2020112524A (ru) 2017-02-06 2020-03-27 Предоставление отчетов с csi при многолучевой передаче

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US (6) US11271616B2 (ru)
EP (3) EP3869701A1 (ru)
JP (3) JP7256128B2 (ru)
KR (2) KR102577703B1 (ru)
CN (2) CN110476366B (ru)
AU (2) AU2017397007A1 (ru)
BR (2) BR112019016179A2 (ru)
DK (1) DK3577785T3 (ru)
ES (1) ES2863354T3 (ru)
MA (1) MA46816B2 (ru)
MX (2) MX2019009269A (ru)
PL (1) PL3577785T3 (ru)
RU (2) RU2718401C1 (ru)
WO (2) WO2018142205A1 (ru)
ZA (1) ZA201905320B (ru)

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PL3577785T3 (pl) 2021-08-02
JP2023052231A (ja) 2023-04-11
EP3577784A1 (en) 2019-12-11
JP6980024B2 (ja) 2021-12-15
MA46816A1 (fr) 2019-12-31
JP7256128B2 (ja) 2023-04-11
BR112019016070A2 (pt) 2020-03-31
US20210091828A1 (en) 2021-03-25
US20230039757A1 (en) 2023-02-09
KR20190112115A (ko) 2019-10-02
KR102284070B1 (ko) 2021-07-30
ES2863354T3 (es) 2021-10-11
AU2017397007A1 (en) 2019-08-29
JP2020511035A (ja) 2020-04-09
US20200358483A1 (en) 2020-11-12
KR20210097212A (ko) 2021-08-06
BR112019016179A2 (pt) 2020-04-07
US11863251B2 (en) 2024-01-02
CN110521132B (zh) 2023-10-10
US20240154650A1 (en) 2024-05-09
EP3577785B1 (en) 2021-02-03
CN110476366B (zh) 2024-03-19
US20220158697A1 (en) 2022-05-19
CN110521132A (zh) 2019-11-29
MA46816B2 (fr) 2021-04-30
WO2018142204A1 (en) 2018-08-09
RU2718401C1 (ru) 2020-04-02
DK3577785T3 (da) 2021-02-15
WO2018142205A1 (en) 2018-08-09
AU2021203019A1 (en) 2021-06-10
MX2019009202A (es) 2019-09-19
EP3577785A1 (en) 2019-12-11
US11271616B2 (en) 2022-03-08
JP2020511034A (ja) 2020-04-09
US20200136682A1 (en) 2020-04-30
ZA201905320B (en) 2021-01-27
US11876581B2 (en) 2024-01-16
MX2019009269A (es) 2019-10-15
EP3869701A1 (en) 2021-08-25
US10903880B2 (en) 2021-01-26
KR102577703B1 (ko) 2023-09-14
CN110476366A (zh) 2019-11-19
US11476902B2 (en) 2022-10-18

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