ES2571128T3 - Realimentación aperiódica de información de estado de canal en un sistema de acceso inalámbrico que soporta agregación de múltiples portadoras - Google Patents

Realimentación aperiódica de información de estado de canal en un sistema de acceso inalámbrico que soporta agregación de múltiples portadoras

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Publication number
ES2571128T3
ES2571128T3 ES11812685T ES11812685T ES2571128T3 ES 2571128 T3 ES2571128 T3 ES 2571128T3 ES 11812685 T ES11812685 T ES 11812685T ES 11812685 T ES11812685 T ES 11812685T ES 2571128 T3 ES2571128 T3 ES 2571128T3
Authority
ES
Spain
Prior art keywords
wireless access
csi feedback
access system
status information
cells
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
ES11812685T
Other languages
English (en)
Inventor
Soyeon Kim
Jaehoon Chung
Seunghee Han
Minseok Noh
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.)
LG Electronics Inc
Original Assignee
LG Electronics 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 LG Electronics Inc filed Critical LG Electronics Inc
Application granted granted Critical
Publication of ES2571128T3 publication Critical patent/ES2571128T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • H04B7/0647—Variable feedback rate
    • 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
    • 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
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • 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
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Método para transmitir aperiódicamente información de estado de canales CSI de realimentación en un sistema de acceso inalámbrico que soporta agregación de múltiples portadoras, comprendiendo el método: recibir, por parte de un equipo de usuario UE, una señal de canal físico de control de enlace descendente PDCCH que incluye un campo de indicador de portadora y un campo de solicitud de CSI, indicando el campo de solicitud de CSI que se dispara una realimentación de CSI aperiódica para dos o más células; recibir, por parte del UE, una señal de control de recursos de radiocomunicaciones RRC que incluye información que indica las dos o más células para las cuales se activa la realimentación de CSI aperiódica; y transmitir, por parte del UE, una señal de canal físico compartido de enlace ascendente PUSCH que incluye la realimentación de CSI aperiódica para las dos o más células indicadas por la información, en el que la señal de PUSCH se transmite por medio de una célula de enlace ascendente indicada por el campo de indicador de portadora.
ES11812685T 2010-07-26 2011-05-06 Realimentación aperiódica de información de estado de canal en un sistema de acceso inalámbrico que soporta agregación de múltiples portadoras Active ES2571128T3 (es)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US36786310P 2010-07-26 2010-07-26
US36864010P 2010-07-28 2010-07-28
US40743310P 2010-10-27 2010-10-27
US41036310P 2010-11-05 2010-11-05
US41674010P 2010-11-24 2010-11-24
PCT/KR2011/003390 WO2012015154A1 (ko) 2010-07-26 2011-05-06 다중 반송파 정합을 지원하는 무선 접속 시스템에서 비주기적 채널상태정보 피드백 방법

Publications (1)

Publication Number Publication Date
ES2571128T3 true ES2571128T3 (es) 2016-05-24

Family

ID=45530316

Family Applications (1)

Application Number Title Priority Date Filing Date
ES11812685T Active ES2571128T3 (es) 2010-07-26 2011-05-06 Realimentación aperiódica de información de estado de canal en un sistema de acceso inalámbrico que soporta agregación de múltiples portadoras

Country Status (9)

Country Link
US (4) US9094966B2 (es)
EP (3) EP2600547B1 (es)
JP (4) JP5668139B2 (es)
KR (1) KR101456008B1 (es)
CN (1) CN103039026B (es)
CA (1) CA2807077C (es)
ES (1) ES2571128T3 (es)
RU (1) RU2537844C2 (es)
WO (1) WO2012015154A1 (es)

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