BR112015023931A2 - método e aparelho para configurar indicador de qualidade de canal e método e aparelho para configurar esquema de modulação e codificação - Google Patents

método e aparelho para configurar indicador de qualidade de canal e método e aparelho para configurar esquema de modulação e codificação

Info

Publication number
BR112015023931A2
BR112015023931A2 BR112015023931A BR112015023931A BR112015023931A2 BR 112015023931 A2 BR112015023931 A2 BR 112015023931A2 BR 112015023931 A BR112015023931 A BR 112015023931A BR 112015023931 A BR112015023931 A BR 112015023931A BR 112015023931 A2 BR112015023931 A2 BR 112015023931A2
Authority
BR
Brazil
Prior art keywords
cqi
configuring
cqi index
modulation
index table
Prior art date
Application number
BR112015023931A
Other languages
English (en)
Inventor
Zhou Hua
Zhang Lei
Lu Yanling
Wang Yi
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of BR112015023931A2 publication Critical patent/BR112015023931A2/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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0016—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy involving special memory structures, e.g. look-up tables
    • 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
    • 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
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • 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
    • H04L1/0028—Formatting
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

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

Abstract

abstract embodiments of the present disclosure provide a method and apparatus for configuring channel quality indicator (cqi) and a method and apparatus for configuring modulation and coding scheme. the method for configuring cqi includes: configuring ue with a cqi index table by an enb via cqi index table indication information, so that the ue determines the configured cqi index table according to the indication information, and calculates a cqi index according to calculated precoding matrix indicator (pmi) and rank indication (ri) by using the configured cqi index table. with the embodiments of the present disclosure, the enb may configure different ues with different ‘4-bit cqi tables’ and/or ‘modulation and tbs index tables’ while keeping the cqi index and the imcs bit number unchanged. therefore, not only the cqi index and the imcs bit number need not to be increased, but also normal configuration of the lte system may be ensured. tradução do resumo resumo patente de invenção: "método e aparelho para configurar indicador de qualidade de canal e método e aparelho para configurar esquema de modulação e codificação". as modalidades da presente descrição proveem um método e aparelho para configurar o indicador de qualidade de canal (cqi) e um método e aparelho para configurar o esquema de modulação e codificação. o método para configurar cqi inclui: configurar o ue com uma tabela de índice de cqi por um enb através de informações de indicação de tabela de índice de cqi, de modo que o ue determine a tabela de índice de cqi configurada de acordo com as informações de indicação, e calcule um índice de cqi de acordo com um indicador de matriz de pré-codificação calculado (pmi) e uma indicação de classificação (ri) utilizando a tabela de índice de cqi configurada. com as modalidades da presente descrição, o enb pode configurar diferentes ues com diferentes 'tabelas de cqi de 4 bits' e/ou 'tabelas de modulação e índice de tbs' enquanto mantendo índice de cqi e o número de bits de imcs inalterado. portanto, não somente o índice de cqi e o número de bits de imcs não precisam ser aumentados, mas também uma configuração normal do sistema de lte pode ser assegurada.
BR112015023931A 2013-03-22 2013-03-22 método e aparelho para configurar indicador de qualidade de canal e método e aparelho para configurar esquema de modulação e codificação BR112015023931A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/073040 WO2014146288A1 (zh) 2013-03-22 2013-03-22 信道质量指示的配置方法、调制编码方案配置方法和装置

Publications (1)

Publication Number Publication Date
BR112015023931A2 true BR112015023931A2 (pt) 2017-07-18

Family

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Family Applications (1)

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BR112015023931A BR112015023931A2 (pt) 2013-03-22 2013-03-22 método e aparelho para configurar indicador de qualidade de canal e método e aparelho para configurar esquema de modulação e codificação

Country Status (10)

Country Link
US (4) US10097330B2 (pt)
EP (1) EP2978153B8 (pt)
JP (1) JP6103129B2 (pt)
KR (2) KR101962592B1 (pt)
CN (3) CN110224787B (pt)
BR (1) BR112015023931A2 (pt)
CA (1) CA2907153A1 (pt)
MX (1) MX2015013469A (pt)
RU (1) RU2633154C2 (pt)
WO (1) WO2014146288A1 (pt)

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Also Published As

Publication number Publication date
CN110492976B (zh) 2022-10-25
EP2978153C0 (en) 2024-03-06
US11258569B2 (en) 2022-02-22
EP2978153B8 (en) 2024-04-10
EP2978153A4 (en) 2017-03-22
RU2633154C2 (ru) 2017-10-11
KR20190002741A (ko) 2019-01-08
JP2016517221A (ja) 2016-06-09
CN110224787B (zh) 2022-10-28
CA2907153A1 (en) 2014-09-25
RU2015145101A (ru) 2017-04-25
US10284352B2 (en) 2019-05-07
CN110224787A (zh) 2019-09-10
KR101962592B1 (ko) 2019-03-26
EP2978153B1 (en) 2024-03-06
KR20150130547A (ko) 2015-11-23
EP2978153A1 (en) 2016-01-27
CN110492976A (zh) 2019-11-22
US20190132108A1 (en) 2019-05-02
US20170279586A1 (en) 2017-09-28
WO2014146288A1 (zh) 2014-09-25
US20160013918A1 (en) 2016-01-14
CN105191194B (zh) 2019-12-27
US10630454B2 (en) 2020-04-21
US10097330B2 (en) 2018-10-09
US20200204331A1 (en) 2020-06-25
MX2015013469A (es) 2016-05-16
JP6103129B2 (ja) 2017-03-29
KR101935630B1 (ko) 2019-01-04
CN105191194A (zh) 2015-12-23

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