BR112015030703A2 - método e aparelho para notificar indicador de qualidade de canal e esquema de modulação e comunicação - Google Patents

método e aparelho para notificar indicador de qualidade de canal e esquema de modulação e comunicação

Info

Publication number
BR112015030703A2
BR112015030703A2 BR112015030703A BR112015030703A BR112015030703A2 BR 112015030703 A2 BR112015030703 A2 BR 112015030703A2 BR 112015030703 A BR112015030703 A BR 112015030703A BR 112015030703 A BR112015030703 A BR 112015030703A BR 112015030703 A2 BR112015030703 A2 BR 112015030703A2
Authority
BR
Brazil
Prior art keywords
modulation
cqi
mcs
index
channel quality
Prior art date
Application number
BR112015030703A
Other languages
English (en)
Other versions
BR112015030703B1 (pt
Inventor
Xia Liang
Xia Yuan
Original Assignee
Huawei Tech Co 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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Priority to BR122018006751A priority Critical patent/BR122018006751B1/pt
Publication of BR112015030703A2 publication Critical patent/BR112015030703A2/pt
Publication of BR112015030703B1 publication Critical patent/BR112015030703B1/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
    • 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
    • H04L5/003—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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

resumo “método e aparelho para notificar indicador de qualidade de canal e esquema de modulação e comunicação” a presente invenção refere-se ao campo de comunicações, revela um método e aparelho para notificar um indicador de qualidade de canal e um esquema de modulação e codificação para que um esquema de modulação maior que 64qam possa ser selecionado, o que, desse modo, melhora o desempenho de um sistema de comunicações. o método inclui: aprender, por um terminal, um primeiro índice cqi de acordo com uma primeira tabela cqi e enviar o primeiro índice cqi para uma estação-base; receber, pela estação-base, o primeiro índice cqi enviado pelo terminal ue, que determina um primeiro índice mcs de acordo com a primeira tabela cqi, uma primeira tabela mcs e o primeiro índice cqi recebido, e enviar o primeiro índice mcs determinado para o ue; e receber, pelo terminal, o primeiro índice mcs enviado pela estação-base, e determinar uma ordem de modulação e um tamanho de bloco de código de acordo com a primeira tabela mcs e o primeiro índice mcs recebido, em que a primeira tabela cqi inclui uma entrada na qual um esquema de modulação é maior que 64qam e a primeira tabela mcs inclui uma entrada na qual um esquema de modulação é maior que 64qam. 1/1
BR112015030703A 2013-06-08 2014-01-23 método e aparelho para notificar indicador de qualidade de canal e esquema de modulação e codificação BR112015030703B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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

Applications Claiming Priority (2)

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
PCT/CN2014/071296 WO2014194681A1 (zh) 2013-06-08 2014-01-23 一种信道质量指示及调制编码方案的通知方法、装置

Publications (2)

Publication Number Publication Date
BR112015030703A2 true BR112015030703A2 (pt) 2017-07-25
BR112015030703B1 BR112015030703B1 (pt) 2019-12-17

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BR112015030620-9A BR112015030620B1 (pt) 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
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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Country Status (11)

Country Link
US (8) US9973298B2 (pt)
EP (7) EP2999262B1 (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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