PT3073665T - Método de disposição de sinais de referência e aparelho de estação-base de comunicação sem fios - Google Patents

Método de disposição de sinais de referência e aparelho de estação-base de comunicação sem fios

Info

Publication number
PT3073665T
PT3073665T PT161690946T PT16169094T PT3073665T PT 3073665 T PT3073665 T PT 3073665T PT 161690946 T PT161690946 T PT 161690946T PT 16169094 T PT16169094 T PT 16169094T PT 3073665 T PT3073665 T PT 3073665T
Authority
PT
Portugal
Prior art keywords
base station
wireless communication
station apparatus
reference signals
communication base
Prior art date
Application number
PT161690946T
Other languages
English (en)
Inventor
Nishio Akihiko
Nakao Seigo
Original Assignee
Sun Patent Trust
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 Sun Patent Trust filed Critical Sun Patent Trust
Publication of PT3073665T publication Critical patent/PT3073665T/pt

Links

Classifications

    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • 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
    • H04B7/0426—Power distribution
    • 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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/003—Interference mitigation or co-ordination of multi-user interference at the transmitter
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • 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
PT161690946T 2008-06-23 2009-06-22 Método de disposição de sinais de referência e aparelho de estação-base de comunicação sem fios PT3073665T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008163033 2008-06-23

Publications (1)

Publication Number Publication Date
PT3073665T true PT3073665T (pt) 2018-08-03

Family

ID=41444241

Family Applications (1)

Application Number Title Priority Date Filing Date
PT161690946T PT3073665T (pt) 2008-06-23 2009-06-22 Método de disposição de sinais de referência e aparelho de estação-base de comunicação sem fios

Country Status (11)

Country Link
US (7) US9219532B2 (pt)
EP (3) EP3073665B1 (pt)
JP (3) JP5404623B2 (pt)
CN (2) CN102067493A (pt)
DK (1) DK3073665T3 (pt)
ES (1) ES2682122T3 (pt)
HU (1) HUE038339T2 (pt)
PL (1) PL3073665T3 (pt)
PT (1) PT3073665T (pt)
TR (1) TR201810308T4 (pt)
WO (1) WO2009157168A1 (pt)

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Also Published As

Publication number Publication date
EP2293473A1 (en) 2011-03-09
EP2293473A4 (en) 2014-07-16
ES2682122T3 (es) 2018-09-18
US11711174B2 (en) 2023-07-25
US20220345254A1 (en) 2022-10-27
US9806857B2 (en) 2017-10-31
EP3073665B1 (en) 2018-05-02
EP3073665A1 (en) 2016-09-28
EP3327982B1 (en) 2019-08-07
JP2014053936A (ja) 2014-03-20
US11418295B2 (en) 2022-08-16
TR201810308T4 (tr) 2018-08-27
CN102067493A (zh) 2011-05-18
CN106911368B (zh) 2021-04-13
US10826656B2 (en) 2020-11-03
HUE038339T2 (hu) 2018-10-29
EP2293473B1 (en) 2016-08-10
JPWO2009157168A1 (ja) 2011-12-08
JP5404623B2 (ja) 2014-02-05
EP2293473B8 (en) 2016-09-21
JP2015073291A (ja) 2015-04-16
US20110103343A1 (en) 2011-05-05
WO2009157168A1 (ja) 2009-12-30
JP5876561B2 (ja) 2016-03-02
US20230318756A1 (en) 2023-10-05
US9219532B2 (en) 2015-12-22
EP3327982A1 (en) 2018-05-30
US10333657B2 (en) 2019-06-25
JP5653504B2 (ja) 2015-01-14
US20160056924A1 (en) 2016-02-25
US20210014014A1 (en) 2021-01-14
US20190363838A1 (en) 2019-11-28
DK3073665T3 (en) 2018-08-13
PL3073665T3 (pl) 2018-10-31
US20180019846A1 (en) 2018-01-18
CN106911368A (zh) 2017-06-30

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