BR0209906A - Procedimento de medição de qualidade de canais dinâmicos para técnicas de codificação e modulação adaptativa - Google Patents
Procedimento de medição de qualidade de canais dinâmicos para técnicas de codificação e modulação adaptativaInfo
- Publication number
- BR0209906A BR0209906A BR0209906-3A BR0209906A BR0209906A BR 0209906 A BR0209906 A BR 0209906A BR 0209906 A BR0209906 A BR 0209906A BR 0209906 A BR0209906 A BR 0209906A
- Authority
- BR
- Brazil
- Prior art keywords
- ues
- channel quality
- base station
- coding
- measurement procedure
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 230000003044 adaptive effect Effects 0.000 title abstract 3
- 238000005259 measurement Methods 0.000 title abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 2
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/543—Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
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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
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
-
- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
"PROCEDIMENTO DE MEDIçãO DE QUALIDADE DE CANAIS DINâMICOS PARA TéCNICAS DE CODIFICAçãO E MODULAçãO ADAPTATIVA". Método de comunicação digital sem fio para comunicação entre uma estação base (12) e uma série de terminais móveis de equipamentos de usuário (UEs) (30) que emprega codificação e modulação adaptativa para atingir melhor utilização dos recursos de rádio e fornecer velocidades de dados ideais para os serviços dos usuários. Blocos de dados por link inferior (DL) são recebidos pela estação base, que solicita medições de qualidade do canal do link inferior (DL) somente dos terminais móveis (30) com transmissões de link inferior pendentes. Os UEs respondem à solicitação medindo e relatando a qualidade do canal DL para a estação base, que em seguida aloca recursos tais que os UEs façam o melhor uso dos recursos de rádio. A estação base notifica os UEs sobre a alocação de canais físicos, indicando a velocidade de codificação/modulação e espaços alocados, seguida pela transmissão de blocos de dados de link inferior que são transmitidos para os UEs.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29087701P | 2001-05-14 | 2001-05-14 | |
US10/029,569 US6810236B2 (en) | 2001-05-14 | 2001-12-21 | Dynamic channel quality measurement procedure for adaptive modulation and coding techniques |
PCT/US2002/011731 WO2002093951A1 (en) | 2001-05-14 | 2002-04-15 | Dynamic channel quality measurement procedure for adaptive modulation and coding techniques |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0209906A true BR0209906A (pt) | 2004-07-27 |
BRPI0209906B1 BRPI0209906B1 (pt) | 2016-10-18 |
Family
ID=26705090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0209906A BRPI0209906B1 (pt) | 2001-05-14 | 2002-04-15 | sistema de comunicações digital sem fio para otimização da utilização de recursos de rádio e método para otimização da utilização de recursos de rádio em um sistema de comunicações digital sem fio |
Country Status (21)
Country | Link |
---|---|
US (11) | US6810236B2 (pt) |
EP (4) | EP1391126B1 (pt) |
JP (6) | JP4210524B2 (pt) |
KR (9) | KR100992060B1 (pt) |
CN (1) | CN100464599C (pt) |
AR (1) | AR035895A1 (pt) |
AT (1) | ATE363776T1 (pt) |
AU (4) | AU2002256209B2 (pt) |
BR (1) | BRPI0209906B1 (pt) |
CA (1) | CA2447255C (pt) |
DE (1) | DE60220404T2 (pt) |
DK (3) | DK2296299T3 (pt) |
ES (3) | ES2528727T3 (pt) |
GE (3) | GEP20063742B (pt) |
HK (3) | HK1068491A1 (pt) |
IL (2) | IL158884A0 (pt) |
MX (1) | MXPA03010346A (pt) |
NO (1) | NO20035051D0 (pt) |
SG (2) | SG177014A1 (pt) |
TW (7) | TWI427941B (pt) |
WO (1) | WO2002093951A1 (pt) |
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