MX2019009202A - Csi que reporta sobre canales de control pequeños. - Google Patents

Csi que reporta sobre canales de control pequeños.

Info

Publication number
MX2019009202A
MX2019009202A MX2019009202A MX2019009202A MX2019009202A MX 2019009202 A MX2019009202 A MX 2019009202A MX 2019009202 A MX2019009202 A MX 2019009202A MX 2019009202 A MX2019009202 A MX 2019009202A MX 2019009202 A MX2019009202 A MX 2019009202A
Authority
MX
Mexico
Prior art keywords
codebook
feedback
csi
subset
channel
Prior art date
Application number
MX2019009202A
Other languages
English (en)
Inventor
Mark Harrison Robert
Faxér Sebastian
Gao Shiwei
Muruganathan Siva
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of MX2019009202A publication Critical patent/MX2019009202A/es

Links

Classifications

    • 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
    • H04B7/0413—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
    • H04B7/0456—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
    • H04B7/0413—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
    • H04B7/06—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)

Abstract

Se proporcionan sistemas y métodos para la retroalimentación de Información (CSI) de Estado del Canal sobre canales de control pequeños. En algunas modalidades, un método de operación de un segundo nodo conectado a un primer nodo en una red de comunicación inalámbrica incluye reportar la retroalimentación CSI al primer nodo en un canal físico. En algunas modalidades, esto se logra mediante la identificación de un subconjunto de entradas del libro de códigos desde un libro de códigos avanzado CSI de coeficientes; seleccionando una entrada del libro de códigos del subconjunto de entradas del libro de códigos; y reportando un índice de la entrada del libro de códigos seleccionada desde el subconjunto de entradas del libro de códigos. Esto puede permitir una retroalimentación sólida y permitir que los indicadores de índice de haz y co-fase de tamaño variable sean transportados en el canal. Además, esto puede permitir la retroalimentación periódica de CSI avanzado en el Formato 2 del Canal (PUCCH) de Control de Enlace Ascendente Físico existente.
MX2019009202A 2017-02-06 2017-12-21 Csi que reporta sobre canales de control pequeños. MX2019009202A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762455440P 2017-02-06 2017-02-06
PCT/IB2017/058321 WO2018142205A1 (en) 2017-02-06 2017-12-21 Csi reporting on small control channels

Publications (1)

Publication Number Publication Date
MX2019009202A true MX2019009202A (es) 2019-09-19

Family

ID=60990847

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2019009269A MX2019009269A (es) 2017-02-06 2017-12-21 Notificacion de csi de haces multiples.
MX2019009202A MX2019009202A (es) 2017-02-06 2017-12-21 Csi que reporta sobre canales de control pequeños.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX2019009269A MX2019009269A (es) 2017-02-06 2017-12-21 Notificacion de csi de haces multiples.

Country Status (15)

Country Link
US (6) US11271616B2 (es)
EP (3) EP3577785B1 (es)
JP (3) JP7256128B2 (es)
KR (2) KR102577703B1 (es)
CN (2) CN110476366B (es)
AU (2) AU2017397007A1 (es)
BR (2) BR112019016070A2 (es)
DK (1) DK3577785T3 (es)
ES (1) ES2863354T3 (es)
MA (1) MA46816B2 (es)
MX (2) MX2019009269A (es)
PL (1) PL3577785T3 (es)
RU (2) RU2718401C1 (es)
WO (2) WO2018142205A1 (es)
ZA (1) ZA201905320B (es)

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AU2021203019A1 (en) 2021-06-10
US20220158697A1 (en) 2022-05-19
EP3577785A1 (en) 2019-12-11
CN110476366A (zh) 2019-11-19
MA46816B2 (fr) 2021-04-30
ES2863354T3 (es) 2021-10-11
US11476902B2 (en) 2022-10-18
PL3577785T3 (pl) 2021-08-02
EP3577785B1 (en) 2021-02-03
JP6980024B2 (ja) 2021-12-15
WO2018142204A1 (en) 2018-08-09
US10903880B2 (en) 2021-01-26
WO2018142205A1 (en) 2018-08-09
US20200136682A1 (en) 2020-04-30
EP3869701A1 (en) 2021-08-25
US11271616B2 (en) 2022-03-08
US11876581B2 (en) 2024-01-16
MX2019009269A (es) 2019-10-15
KR102284070B1 (ko) 2021-07-30
CN110521132A (zh) 2019-11-29
EP3577784A1 (en) 2019-12-11
ZA201905320B (en) 2021-01-27
US20210091828A1 (en) 2021-03-25
CN110476366B (zh) 2024-03-19
US11863251B2 (en) 2024-01-02
JP2020511035A (ja) 2020-04-09
DK3577785T3 (da) 2021-02-15
BR112019016070A2 (pt) 2020-03-31
US20230039757A1 (en) 2023-02-09
JP2023052231A (ja) 2023-04-11
JP7256128B2 (ja) 2023-04-11
KR20190112115A (ko) 2019-10-02
MA46816A1 (fr) 2019-12-31
BR112019016179A2 (pt) 2020-04-07
KR20210097212A (ko) 2021-08-06
KR102577703B1 (ko) 2023-09-14
CN110521132B (zh) 2023-10-10
RU2718401C1 (ru) 2020-04-02
US20200358483A1 (en) 2020-11-12
RU2020112524A (ru) 2021-09-27
AU2017397007A1 (en) 2019-08-29
US20240154650A1 (en) 2024-05-09
JP2020511034A (ja) 2020-04-09

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