BR112015030620A8 - método e aparelho de notificação para indicador de qualidade de canal e para esquema de modulação e de codificação - Google Patents

método e aparelho de notificação para indicador de qualidade de canal e para esquema de modulação e de codificação Download PDF

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Publication number
BR112015030620A8
BR112015030620A8 BR112015030620A BR112015030620A BR112015030620A8 BR 112015030620 A8 BR112015030620 A8 BR 112015030620A8 BR 112015030620 A BR112015030620 A BR 112015030620A BR 112015030620 A BR112015030620 A BR 112015030620A BR 112015030620 A8 BR112015030620 A8 BR 112015030620A8
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Brazil
Prior art keywords
modulation
mcs
index
cqi
channel quality
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BR112015030620A
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English (en)
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BR112015030620A2 (pt
BR112015030620B1 (pt
Inventor
Xia Liang
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Huawei Tech Co Ltd
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Publication of BR112015030620A2 publication Critical patent/BR112015030620A2/pt
Publication of BR112015030620A8 publication Critical patent/BR112015030620A8/pt
Publication of BR112015030620B1 publication Critical patent/BR112015030620B1/pt

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    • 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
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • 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
    • H04L5/02—Channels characterised by the type of signal
    • 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

Abstract

resumo “método e dispositivo de notificação do indicador de qualidade de canal e do esquema de modulação e de codificação” a presente invenção se refere ao campo de comunicações e revela um método e aparelho de notificação para um indicador de qualidade de canal e para um esquema de modulação e de codificação, os quais podem selecionar um esquema de modulação superior a 64qam, de modo a aprimorar o desempenho de um sistema de comunicações. o método inclui: aprender, através de um terminal, um primeiro índice de cqi de acordo com uma primeira tabela de cqi; enviar o primeiro índice de cqi a uma estação-base; receber, através da estação-base, o primeiro índice de cqi enviado pelo ue terminal; determinar um primeiro índice de mcs de acordo com a primeira tabela de cqi, com uma primeira tabela de mcs e com o primeiro índice de cqi recebido; enviar o primeiro índice de mcs determinado ao ue; receber, através do terminal, o primeiro índice de mcs enviado pela estação-base; e determinar uma ordem de modulação e um tamanho de código de bloco de acordo com a primeira tabela de mcs e com o primeiro índice de mcs recebido; em que a primeira tabela de cqi inclui entradas nas quais os esquemas de modulação são superiores a 64qam e a primeira tabela de mcs inclui entradas nas quais os esquemas de modulação são superiores a 64qam. 1/1
BR112015030620-9A 2013-06-08 2013-09-26 Método e aparelho de notificação para indicador de qualidade de canal e para esquema de modulação e de codificação BR112015030620B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/CN2013/077023 WO2014194534A1 (zh) 2013-06-08 2013-06-08 一种信道质量指示及调制编码方案的通知方法、装置
CN2013/077023 2013-06-08
PCT/CN2013/084346 WO2014194589A1 (zh) 2013-06-08 2013-09-26 一种信道质量指示及调制编码方案的通知方法、装置

Publications (3)

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BR112015030620A2 BR112015030620A2 (pt) 2017-07-25
BR112015030620A8 true BR112015030620A8 (pt) 2020-01-07
BR112015030620B1 BR112015030620B1 (pt) 2022-07-26

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BR112015030703A BR112015030703B1 (pt) 2013-06-08 2014-01-23 método e aparelho para notificar indicador de qualidade de canal e esquema de modulação e codificação
BR122018006751A BR122018006751B1 (pt) 2013-06-08 2014-01-23 método e aparelho para notificar indicador de qualidade de canal e esquema de modulação e codificação

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BR122018006751A BR122018006751B1 (pt) 2013-06-08 2014-01-23 método e aparelho para notificar indicador de qualidade de canal e esquema de modulação e codificação

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US (8) US10079654B2 (pt)
EP (7) EP3435571B1 (pt)
JP (4) JP6312007B2 (pt)
KR (4) KR101899197B1 (pt)
CN (1) CN109302268B (pt)
BR (3) BR112015030620B1 (pt)
ES (3) ES2690344T3 (pt)
MX (4) MX361037B (pt)
RU (4) RU2653496C1 (pt)
WO (3) WO2014194534A1 (pt)
ZA (1) ZA201508910B (pt)

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