ES2856484T3 - Procedimiento de solicitud de CSI en LTE/LTE-A con espectro sin licencia - Google Patents

Procedimiento de solicitud de CSI en LTE/LTE-A con espectro sin licencia Download PDF

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Publication number
ES2856484T3
ES2856484T3 ES15751220T ES15751220T ES2856484T3 ES 2856484 T3 ES2856484 T3 ES 2856484T3 ES 15751220 T ES15751220 T ES 15751220T ES 15751220 T ES15751220 T ES 15751220T ES 2856484 T3 ES2856484 T3 ES 2856484T3
Authority
ES
Spain
Prior art keywords
base station
reference signal
csi
lte
aperiodic reference
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
ES15751220T
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English (en)
Spanish (es)
Inventor
Siddhartha Mallik
Tao Luo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ES2856484T3 publication Critical patent/ES2856484T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04B7/0621—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

Landscapes

  • 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)
ES15751220T 2014-08-12 2015-08-05 Procedimiento de solicitud de CSI en LTE/LTE-A con espectro sin licencia Active ES2856484T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462036296P 2014-08-12 2014-08-12
US14/818,049 US9900074B2 (en) 2014-08-12 2015-08-04 CSI request procedure in LTE/LTE-A with unlicensed spectrum
PCT/US2015/043758 WO2016025262A1 (en) 2014-08-12 2015-08-05 Csi request procedure in lte/lte-a with unlicensed spectrum

Publications (1)

Publication Number Publication Date
ES2856484T3 true ES2856484T3 (es) 2021-09-27

Family

ID=55302943

Family Applications (1)

Application Number Title Priority Date Filing Date
ES15751220T Active ES2856484T3 (es) 2014-08-12 2015-08-05 Procedimiento de solicitud de CSI en LTE/LTE-A con espectro sin licencia

Country Status (8)

Country Link
US (4) US9900074B2 (show.php)
EP (1) EP3180878B1 (show.php)
JP (3) JP6599432B2 (show.php)
KR (1) KR102383068B1 (show.php)
CN (2) CN106576019B (show.php)
AU (1) AU2015302075B2 (show.php)
ES (1) ES2856484T3 (show.php)
WO (1) WO2016025262A1 (show.php)

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Also Published As

Publication number Publication date
US20160050004A1 (en) 2016-02-18
JP6599432B2 (ja) 2019-10-30
JP7273900B2 (ja) 2023-05-15
WO2016025262A1 (en) 2016-02-18
CN106576019A (zh) 2017-04-19
CN110635834B (zh) 2023-04-14
JP2017525301A (ja) 2017-08-31
KR102383068B1 (ko) 2022-04-04
US20190288761A1 (en) 2019-09-19
AU2015302075A1 (en) 2017-02-02
EP3180878B1 (en) 2020-12-02
US10312987B2 (en) 2019-06-04
US9900074B2 (en) 2018-02-20
JP2021180501A (ja) 2021-11-18
US20210306047A1 (en) 2021-09-30
KR20170043522A (ko) 2017-04-21
JP2020017994A (ja) 2020-01-30
EP3180878A1 (en) 2017-06-21
AU2015302075B2 (en) 2019-09-12
US20180159610A1 (en) 2018-06-07
CN106576019B (zh) 2019-10-22
CN110635834A (zh) 2019-12-31
US11038575B2 (en) 2021-06-15
US11799532B2 (en) 2023-10-24
BR112017002765A2 (pt) 2018-01-02

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