MXPA02001282A - Metodo y aparato para determinar el punto de referencia de control de potencia de lazo cerrado en un sistema inalambrico de comunicaciones de datos de paquete. - Google Patents

Metodo y aparato para determinar el punto de referencia de control de potencia de lazo cerrado en un sistema inalambrico de comunicaciones de datos de paquete.

Info

Publication number
MXPA02001282A
MXPA02001282A MXPA02001282A MXPA02001282A MXPA02001282A MX PA02001282 A MXPA02001282 A MX PA02001282A MX PA02001282 A MXPA02001282 A MX PA02001282A MX PA02001282 A MXPA02001282 A MX PA02001282A MX PA02001282 A MXPA02001282 A MX PA02001282A
Authority
MX
Mexico
Prior art keywords
pilot
power control
set point
closed loop
loop power
Prior art date
Application number
MXPA02001282A
Other languages
English (en)
Inventor
Peter J Black
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of MXPA02001282A publication Critical patent/MXPA02001282A/es

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

La presente invencion es un metodo novedoso y mejorado para llevar a cabo el control de potencia de lazo cerrado. Se describe un metodo para implementar el lazo exterior del enlace inverso utilizando solamente la senal piloto. Tal metodo es especialmente util cuando las senales de datos se encuentran presentes solamente en rafagas breves de tal manera que las tasas de error de paquete o tasas de error de trama (PER o FER) no pueden estimarse con precision. Ademas, dado que este metodo proporciona un mecanismo para el ajuste preciso del punto de referencia incluso sin un estimado de PER (FER), puede utilizarse tambien para mejorar la precision del rendimiento de lazo exterior cuando se encuentra disponible tal estimado. La presente invencion estima una "tasa de error de bit de piloto" (PBER) (200), en donde cada "bit" de piloto consiste de un cierto numero de chips de piloto distribuidos en una trama. Ademas, estima la variacion normalizada de la senal de energia (o C/I) (202) para cada paquete.
MXPA02001282A 1999-08-06 2000-08-03 Metodo y aparato para determinar el punto de referencia de control de potencia de lazo cerrado en un sistema inalambrico de comunicaciones de datos de paquete. MXPA02001282A (es)

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
MXPA02001282A true MXPA02001282A (es) 2002-08-12

Family

ID=23458135

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA02001282A MXPA02001282A (es) 1999-08-06 2000-08-03 Metodo y aparato para determinar el punto de referencia de control de potencia de lazo cerrado en un sistema inalambrico de comunicaciones de datos de paquete.

Country Status (11)

Country Link
US (3) US6633552B1 (es)
EP (1) EP1201045A1 (es)
JP (1) JP4574924B2 (es)
KR (2) KR100725429B1 (es)
CN (1) CN1165118C (es)
AU (1) AU6523900A (es)
BR (1) BR0012996A (es)
CA (1) CA2380005A1 (es)
HK (1) HK1046595B (es)
MX (1) MXPA02001282A (es)
WO (1) WO2001011800A1 (es)

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Also Published As

Publication number Publication date
US6633552B1 (en) 2003-10-14
KR20020016936A (ko) 2002-03-06
US20060270358A1 (en) 2006-11-30
US7088957B2 (en) 2006-08-08
BR0012996A (pt) 2002-06-18
EP1201045A1 (en) 2002-05-02
JP4574924B2 (ja) 2010-11-04
US20040062225A1 (en) 2004-04-01
KR20070038170A (ko) 2007-04-09
CA2380005A1 (en) 2001-02-15
HK1046595B (zh) 2005-04-22
AU6523900A (en) 2001-03-05
US7835695B2 (en) 2010-11-16
WO2001011800A1 (en) 2001-02-15
CN1165118C (zh) 2004-09-01
KR100787841B1 (ko) 2007-12-27
HK1046595A1 (en) 2003-01-17
JP2003506958A (ja) 2003-02-18
KR100725429B1 (ko) 2007-06-07
CN1369147A (zh) 2002-09-11

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