CN110635834B - 在采用未许可频谱的lte/lte-a中的csi请求过程 - Google Patents

在采用未许可频谱的lte/lte-a中的csi请求过程 Download PDF

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Publication number
CN110635834B
CN110635834B CN201910916805.3A CN201910916805A CN110635834B CN 110635834 B CN110635834 B CN 110635834B CN 201910916805 A CN201910916805 A CN 201910916805A CN 110635834 B CN110635834 B CN 110635834B
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reference signal
base station
identifier
lte
aperiodic reference
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Chinese (zh)
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CN110635834A (zh
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S·马利克
骆涛
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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
    • H04B7/0626—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
    • H04B7/0643—Feedback on request
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
CN201910916805.3A 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程 Active CN110635834B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910916805.3A CN110635834B (zh) 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201462036296P 2014-08-12 2014-08-12
US62/036,296 2014-08-12
US14/818,049 2015-08-04
US14/818,049 US9900074B2 (en) 2014-08-12 2015-08-04 CSI request procedure in LTE/LTE-A with unlicensed spectrum
CN201580043026.7A CN106576019B (zh) 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程的方法和装置
CN201910916805.3A CN110635834B (zh) 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程
PCT/US2015/043758 WO2016025262A1 (en) 2014-08-12 2015-08-05 Csi request procedure in lte/lte-a with unlicensed spectrum

Related Parent Applications (1)

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CN201580043026.7A Division CN106576019B (zh) 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程的方法和装置

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CN110635834A CN110635834A (zh) 2019-12-31
CN110635834B true CN110635834B (zh) 2023-04-14

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CN201580043026.7A Active CN106576019B (zh) 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程的方法和装置

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EP (1) EP3180878B1 (enExample)
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KR (1) KR102383068B1 (enExample)
CN (2) CN110635834B (enExample)
AU (1) AU2015302075B2 (enExample)
ES (1) ES2856484T3 (enExample)
WO (1) WO2016025262A1 (enExample)

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AU2015302075A1 (en) 2017-02-02
US9900074B2 (en) 2018-02-20
JP7273900B2 (ja) 2023-05-15
CN106576019B (zh) 2019-10-22
AU2015302075B2 (en) 2019-09-12
US20210306047A1 (en) 2021-09-30
US20180159610A1 (en) 2018-06-07
CN110635834A (zh) 2019-12-31
US10312987B2 (en) 2019-06-04
KR102383068B1 (ko) 2022-04-04
BR112017002765A2 (pt) 2018-01-02
JP2021180501A (ja) 2021-11-18
WO2016025262A1 (en) 2016-02-18
JP2020017994A (ja) 2020-01-30
JP2017525301A (ja) 2017-08-31
US20160050004A1 (en) 2016-02-18
CN106576019A (zh) 2017-04-19
EP3180878B1 (en) 2020-12-02
KR20170043522A (ko) 2017-04-21
ES2856484T3 (es) 2021-09-27
EP3180878A1 (en) 2017-06-21
US20190288761A1 (en) 2019-09-19
US11038575B2 (en) 2021-06-15
JP6599432B2 (ja) 2019-10-30
US11799532B2 (en) 2023-10-24

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