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 comunicaçãoInfo
- 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
Links
- 238000000034 method Methods 0.000 title abstract 4
Classifications
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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
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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
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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 |
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BR112015030703A2 true BR112015030703A2 (pt) | 2017-07-25 |
BR112015030703B1 BR112015030703B1 (pt) | 2019-12-17 |
Family
ID=52007447
Family Applications (3)
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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 |
Family Applications Before (1)
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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 |
Family Applications After (1)
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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 |
Country Status (11)
Country | Link |
---|---|
US (8) | US9973298B2 (pt) |
EP (7) | EP3787207A1 (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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