DK2622771T3 - Systemer og fremgangsmåder til kommunikation af kanaltilstandsinformation - Google Patents

Systemer og fremgangsmåder til kommunikation af kanaltilstandsinformation Download PDF

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Publication number
DK2622771T3
DK2622771T3 DK11770954.3T DK11770954T DK2622771T3 DK 2622771 T3 DK2622771 T3 DK 2622771T3 DK 11770954 T DK11770954 T DK 11770954T DK 2622771 T3 DK2622771 T3 DK 2622771T3
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Denmark
Prior art keywords
systems
communication
methods
mode information
channel mode
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DK11770954.3T
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English (en)
Inventor
Santosh Paul Abraham
Simone Merlin
Sameer Vermani
Hemanth Sampath
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Qualcomm Inc
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Publication of DK2622771T3 publication Critical patent/DK2622771T3/da

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    • 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
    • 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
    • H04L1/0028—Formatting
    • 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
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • 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), DMT
    • 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
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
DK11770954.3T 2010-09-29 2011-09-29 Systemer og fremgangsmåder til kommunikation af kanaltilstandsinformation DK2622771T3 (da)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US38754210P 2010-09-29 2010-09-29
US38949510P 2010-10-04 2010-10-04
US40519410P 2010-10-20 2010-10-20
US40528310P 2010-10-21 2010-10-21
US40964510P 2010-11-03 2010-11-03
US42209810P 2010-12-10 2010-12-10
US201161432115P 2011-01-12 2011-01-12
US13/247,086 US9374193B2 (en) 2010-09-29 2011-09-28 Systems and methods for communication of channel state information
PCT/US2011/054090 WO2012044866A1 (en) 2010-09-29 2011-09-29 Systems and methods for communication of channel state information

Publications (1)

Publication Number Publication Date
DK2622771T3 true DK2622771T3 (da) 2021-05-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
DK11770954.3T DK2622771T3 (da) 2010-09-29 2011-09-29 Systemer og fremgangsmåder til kommunikation af kanaltilstandsinformation

Country Status (12)

Country Link
US (1) US9374193B2 (da)
EP (1) EP2622771B1 (da)
JP (2) JP5968890B2 (da)
KR (1) KR101528796B1 (da)
CN (1) CN103141047B (da)
DK (1) DK2622771T3 (da)
ES (1) ES2864833T3 (da)
HU (1) HUE054143T2 (da)
PL (1) PL2622771T3 (da)
PT (1) PT2622771T (da)
SI (1) SI2622771T1 (da)
WO (1) WO2012044866A1 (da)

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US20120257567A1 (en) 2012-10-11
US9374193B2 (en) 2016-06-21
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JP5968890B2 (ja) 2016-08-10
CN103141047B (zh) 2016-05-25
EP2622771A1 (en) 2013-08-07
CN103141047A (zh) 2013-06-05
HUE054143T2 (hu) 2021-08-30
WO2012044866A1 (en) 2012-04-05
KR101528796B1 (ko) 2015-06-15
PT2622771T (pt) 2021-04-30
JP2015201872A (ja) 2015-11-12
ES2864833T3 (es) 2021-10-14
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JP2013543705A (ja) 2013-12-05
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