BRPI0411307B1 - Método para determinação de um indicador de qualidade de canal - Google Patents
Método para determinação de um indicador de qualidade de canal Download PDFInfo
- Publication number
- BRPI0411307B1 BRPI0411307B1 BRPI0411307-1A BRPI0411307A BRPI0411307B1 BR PI0411307 B1 BRPI0411307 B1 BR PI0411307B1 BR PI0411307 A BRPI0411307 A BR PI0411307A BR PI0411307 B1 BRPI0411307 B1 BR PI0411307B1
- Authority
- BR
- Brazil
- Prior art keywords
- diversity
- channel quality
- quality indicator
- diversity receiving
- receiving extension
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
- H04B7/0814—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0825—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with main and with auxiliary or diversity antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
- H04B7/0877—Hybrid systems, i.e. switching and combining using subgroups of receive antennas switching off a diversity branch, e.g. to save power
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
| Acesso de Pacote de Enlace | Descendente | de | Alta | Velocidade) | ||
| é um serviço | de dados com base em | pacotes | no | enlace | ||
| descendente do | W-CDMA com | transmissão | de | dados | de | até 14 |
| Mbps por uma | largura de | banda de | 5 | MHz | no | enlace |
Claims (4)
- REIVINDICAÇÕES1. Método, em uma estação de comunicação sem fio (100) tendo um ramal de recepção de diversidade (136), o método compreendendo determinar um indicador de qualidade de canal com o ramal de recepção de diversidade desativado;determinar um indicador de qualidade de canal com o ramal de recepção de diversidade ativado;o método caracterizado pelo fato de compreender: determinar uma diferença entre o indicador de qualidade de canal determinado com o ramal de recepção de diversidade desativado e o indicador de qualidade de canal determinado com o ramal de recepção de diversidade ativado;controlar a operação do ramal de recepção de diversidade com base em uma comparação da diferença com um limite de diferença.
- 2. Método, de acordo com a reivindicação 1, caracterizado pelo fato de que controlar a operação do ramal de recepção de diversidade inclui:operar o ramal de recepção de diversidade quando a diferença superar o limite de diferença;não operar o ramal de recepção de diversidade quando a diferença não superar um segundo limite de diferença, que é diferente do limite de diferença.
- 3. Método, de acordo com a reivindicação 1, caracterizado pelo fato de que controlar a operação do ramal de recepção de diversidade inclui:operar o ramal de recepção de diversidade quando a diferença superar o limite de diferença;não operar o ramal de recepção de diversidade quando a diferença não superar o limite de diferença.Petição 870170090307, de 23/11/2017, pág. 28/302/2
- 4. Método, de acordo com a reivindicação 1, caracterizado pelo fato de que a estação de comunicação sem fio (100) inclui uma única antena, um ramal de recepção primário e um ramal de recepção de diversidade, ambos acoplados à única antena;o método compreendendo ainda receber um sinal com a única antena;em que determinar o indicador de qualidade de canal com o ramal de recepção de diversidade desativado inclui determinar o indicador de qualidade de canal para o sinal recebido pela única antena quando o ramal de recepção de diversidade está desativado; e em que determinar o indicador de qualidade de canal com o ramal de recepção de diversidade ativado inclui determinar o indicador de qualidade de canal para o sinal recebido pela única antena quando o ramal de recepção de diversidade está ativado.Petição 870170090307, de 23/11/2017, pág. 29/30 sC
• · • • • • • • · · • ·· • • • · · « • • • • · · • • • • · · ·· · • • · « ·DETERMINAR 0 INDICADOR DE QUALIDADE DE CANAL COM O RAMAL DE DIVERSIDADE ATIVADOUTILIZAR O INDICADOR DE QUALIDADE DE CANAL EM COMPARAÇÃO COM UM LIMITEJ-2Í04-220200CONTROLAR O RAMAL DE DIVERSIDADE COM BASE NA COMPARAÇÃOPROCESSADORRFPROCESSADOR DEBANDA BASE300
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/458,701 US7929921B2 (en) | 2003-06-10 | 2003-06-10 | Diversity control in wireless communications devices and methods |
| US10/458,701 | 2003-06-10 | ||
| PCT/US2004/014058 WO2005002111A2 (en) | 2003-06-10 | 2004-05-05 | Diversity control in wireless communications devices and methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0411307A BRPI0411307A (pt) | 2006-07-11 |
| BRPI0411307B1 true BRPI0411307B1 (pt) | 2018-05-22 |
Family
ID=33510637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0411307-1A BRPI0411307B1 (pt) | 2003-06-10 | 2004-05-05 | Método para determinação de um indicador de qualidade de canal |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7929921B2 (pt) |
| EP (1) | EP1632096B1 (pt) |
| JP (1) | JP4820951B2 (pt) |
| KR (1) | KR101164686B1 (pt) |
| CN (1) | CN1795687B (pt) |
| BR (1) | BRPI0411307B1 (pt) |
| WO (1) | WO2005002111A2 (pt) |
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| EP1632096B1 (en) | 2015-11-11 |
| CN1795687A (zh) | 2006-06-28 |
| US20040253955A1 (en) | 2004-12-16 |
| JP2007515850A (ja) | 2007-06-14 |
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