BR0012996A - Metódo e equipamento para determinar o ponto de ajuste de controle de potência em malha fechada em um sistema de comunicação sem fio de dados em pacote - Google Patents
Metódo e equipamento para determinar o ponto de ajuste de controle de potência em malha fechada em um sistema de comunicação sem fio de dados em pacoteInfo
- Publication number
- BR0012996A BR0012996A BR0012996-8A BR0012996A BR0012996A BR 0012996 A BR0012996 A BR 0012996A BR 0012996 A BR0012996 A BR 0012996A BR 0012996 A BR0012996 A BR 0012996A
- Authority
- BR
- Brazil
- Prior art keywords
- power control
- equipment
- pilot
- communication system
- determining
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/08—Closed loop power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/12—Outer and inner loops
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/20—TPC being performed according to specific parameters using error rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
- H04W52/225—Calculation of statistics, e.g. average, variance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/282—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account the speed of the mobile
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/286—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission during data packet transmission, e.g. high speed packet access [HSPA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Abstract
"MéTODO E EQUIPAMENTO PARA DETERMINAR O PONTO DE AJUSTE DE CONTROLE DE POTêNCIA EM MALHA FECHADA EM UM SISTEMA DE COMUNICAçãO SEM FIO DE DADOS EM PACOTE. A presente invenção consiste de um método e um equipamento novos e aperfeiçoados para efetuar o controle de potência em malha fechada. é descrito um método para implementar o loop externo de link reverso usando apenas o sinal piloto. Tal método é especialmente útil quando os sinais de dados estão presentes apenas em rajadas curtas de tal forma que as taxas de erros de pacotes ou frames (PER ou FER) não podem ser estimadas acuradamente. Ademais, uma vez que tal método propicia um mecanismo para o ajuste acurado do "set point" mesmo sem uma estimativa de PER (FER), ele pode também ser usado para melhorar a acuracidade do desempenho do loop externo quando tal estimativa se torna disponível. A presente invenção estima uma "taxa de erro de bit piloto" (PBER) (200) em que cada "bit" de piloto consiste de um número de chips piloto distribuídos através de um frame. Além disso, ela estima a variância normalizada da energia de sinal (ou C/I) (202) para cada pacote.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/370,081 US6633552B1 (en) | 1999-08-06 | 1999-08-06 | Method and apparatus for determining the closed loop power control set point in a wireless packet data communication system |
PCT/US2000/021442 WO2001011800A1 (en) | 1999-08-06 | 2000-08-03 | Method and apparatus for determining the closed loop power control set point in a wireless packet data communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0012996A true BR0012996A (pt) | 2002-06-18 |
Family
ID=23458135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0012996-8A BR0012996A (pt) | 1999-08-06 | 2000-08-03 | Metódo e equipamento para determinar o ponto de ajuste de controle de potência em malha fechada em um sistema de comunicação sem fio de dados em pacote |
Country Status (11)
Country | Link |
---|---|
US (3) | US6633552B1 (pt) |
EP (1) | EP1201045A1 (pt) |
JP (1) | JP4574924B2 (pt) |
KR (2) | KR100787841B1 (pt) |
CN (1) | CN1165118C (pt) |
AU (1) | AU6523900A (pt) |
BR (1) | BR0012996A (pt) |
CA (1) | CA2380005A1 (pt) |
HK (1) | HK1046595B (pt) |
MX (1) | MXPA02001282A (pt) |
WO (1) | WO2001011800A1 (pt) |
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-
1999
- 1999-08-06 US US09/370,081 patent/US6633552B1/en not_active Expired - Lifetime
-
2000
- 2000-08-03 WO PCT/US2000/021442 patent/WO2001011800A1/en active Application Filing
- 2000-08-03 BR BR0012996-8A patent/BR0012996A/pt not_active IP Right Cessation
- 2000-08-03 CN CNB008112967A patent/CN1165118C/zh not_active Expired - Lifetime
- 2000-08-03 KR KR1020077004591A patent/KR100787841B1/ko active IP Right Grant
- 2000-08-03 AU AU65239/00A patent/AU6523900A/en not_active Abandoned
- 2000-08-03 EP EP00952565A patent/EP1201045A1/en not_active Withdrawn
- 2000-08-03 JP JP2001515557A patent/JP4574924B2/ja not_active Expired - Fee Related
- 2000-08-03 CA CA002380005A patent/CA2380005A1/en not_active Abandoned
- 2000-08-03 MX MXPA02001282A patent/MXPA02001282A/es active IP Right Grant
- 2000-08-03 KR KR1020027001478A patent/KR100725429B1/ko active IP Right Grant
-
2002
- 2002-11-06 HK HK02108056.2A patent/HK1046595B/zh not_active IP Right Cessation
-
2003
- 2003-08-28 US US10/651,834 patent/US7088957B2/en not_active Expired - Fee Related
-
2006
- 2006-07-17 US US11/488,876 patent/US7835695B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1369147A (zh) | 2002-09-11 |
KR100787841B1 (ko) | 2007-12-27 |
HK1046595B (zh) | 2005-04-22 |
HK1046595A1 (en) | 2003-01-17 |
CN1165118C (zh) | 2004-09-01 |
JP4574924B2 (ja) | 2010-11-04 |
KR20020016936A (ko) | 2002-03-06 |
EP1201045A1 (en) | 2002-05-02 |
US7088957B2 (en) | 2006-08-08 |
KR100725429B1 (ko) | 2007-06-07 |
CA2380005A1 (en) | 2001-02-15 |
AU6523900A (en) | 2001-03-05 |
US6633552B1 (en) | 2003-10-14 |
MXPA02001282A (es) | 2002-08-12 |
KR20070038170A (ko) | 2007-04-09 |
WO2001011800A1 (en) | 2001-02-15 |
US20040062225A1 (en) | 2004-04-01 |
JP2003506958A (ja) | 2003-02-18 |
US20060270358A1 (en) | 2006-11-30 |
US7835695B2 (en) | 2010-11-16 |
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