EP2805558A4 - Notification améliorée des informations d'état de canal pour un canal de liaison descendante - Google Patents

Notification améliorée des informations d'état de canal pour un canal de liaison descendante

Info

Publication number
EP2805558A4
EP2805558A4 EP12866389.5A EP12866389A EP2805558A4 EP 2805558 A4 EP2805558 A4 EP 2805558A4 EP 12866389 A EP12866389 A EP 12866389A EP 2805558 A4 EP2805558 A4 EP 2805558A4
Authority
EP
European Patent Office
Prior art keywords
state information
downlink control
information reporting
enhanced
control channel
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.)
Withdrawn
Application number
EP12866389.5A
Other languages
German (de)
English (en)
Other versions
EP2805558A1 (fr
Inventor
Timo Erkki Lunttila
Klaus Hugl
Peter Skov
Frank Frederiksen
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.)
Nokia Solutions and Networks Oy
Original Assignee
Nokia Solutions and Networks Oy
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 Nokia Solutions and Networks Oy filed Critical Nokia Solutions and Networks Oy
Publication of EP2805558A1 publication Critical patent/EP2805558A1/fr
Publication of EP2805558A4 publication Critical patent/EP2805558A4/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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 signalling, i.e. of overhead other than pilot signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
EP12866389.5A 2012-01-20 2012-01-20 Notification améliorée des informations d'état de canal pour un canal de liaison descendante Withdrawn EP2805558A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/070689 WO2013107053A1 (fr) 2012-01-20 2012-01-20 Notification améliorée des informations d'état de canal pour un canal de liaison descendante

Publications (2)

Publication Number Publication Date
EP2805558A1 EP2805558A1 (fr) 2014-11-26
EP2805558A4 true EP2805558A4 (fr) 2015-08-26

Family

ID=48798538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12866389.5A Withdrawn EP2805558A4 (fr) 2012-01-20 2012-01-20 Notification améliorée des informations d'état de canal pour un canal de liaison descendante

Country Status (2)

Country Link
EP (1) EP2805558A4 (fr)
WO (1) WO2013107053A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105007600A (zh) * 2014-04-15 2015-10-28 中兴通讯股份有限公司 一种下行数据速率匹配的方法和装置
US10171214B2 (en) 2016-09-29 2019-01-01 At&T Intellectual Property I, L.P. Channel state information framework design for 5G multiple input multiple output transmissions
US10644924B2 (en) 2016-09-29 2020-05-05 At&T Intellectual Property I, L.P. Facilitating a two-stage downlink control channel in a wireless communication system
US10206232B2 (en) 2016-09-29 2019-02-12 At&T Intellectual Property I, L.P. Initial access and radio resource management for integrated access and backhaul (IAB) wireless networks
US10602507B2 (en) 2016-09-29 2020-03-24 At&T Intellectual Property I, L.P. Facilitating uplink communication waveform selection
US10158555B2 (en) 2016-09-29 2018-12-18 At&T Intellectual Property I, L.P. Facilitation of route optimization for a 5G network or other next generation network
US10355813B2 (en) 2017-02-14 2019-07-16 At&T Intellectual Property I, L.P. Link adaptation on downlink control channel in a wireless communications system
CN109121210B (zh) * 2017-06-23 2021-01-29 华为技术有限公司 一种检测下行控制信道的方法及设备
WO2025067680A1 (fr) 2023-09-29 2025-04-03 Telefonaktiebolaget Lm Ericsson (Publ) Rapport de qualité de canal de commande et adaptation de liaison

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102291225A (zh) * 2011-08-19 2011-12-21 电信科学技术研究院 一种信道状态信息周期反馈方法及装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2266358B1 (fr) * 2008-03-26 2012-05-30 Nokia Corporation Signalisation d'informations d'état de canal
CN102291752A (zh) * 2010-06-21 2011-12-21 电信科学技术研究院 信道状态信息反馈的方法及设备
CN102307083A (zh) * 2011-08-12 2012-01-04 电信科学技术研究院 信道状态信息的非周期反馈及其调度方法、装置及系统

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102291225A (zh) * 2011-08-19 2011-12-21 电信科学技术研究院 一种信道状态信息周期反馈方法及装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
INTERDIGITAL COMMUNICATIONS ET AL: "Discussion on Enhanced Downlink Control Channel Design", 3GPP DRAFT; R1-113223, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE, vol. RAN WG1, 4 October 2011 (2011-10-04), SOPHIA-ANTIPOLIS CEDEX ; FRANCE, XP050538342 *
See also references of WO2013107053A1 *

Also Published As

Publication number Publication date
EP2805558A1 (fr) 2014-11-26
WO2013107053A1 (fr) 2013-07-25

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