MX2009008631A - Control de energia de enlace ascendente para lte. - Google Patents

Control de energia de enlace ascendente para lte.

Info

Publication number
MX2009008631A
MX2009008631A MX2009008631A MX2009008631A MX2009008631A MX 2009008631 A MX2009008631 A MX 2009008631A MX 2009008631 A MX2009008631 A MX 2009008631A MX 2009008631 A MX2009008631 A MX 2009008631A MX 2009008631 A MX2009008631 A MX 2009008631A
Authority
MX
Mexico
Prior art keywords
power control
aperiodic
control command
uplink
access terminal
Prior art date
Application number
MX2009008631A
Other languages
English (en)
Inventor
Juan Montojo
Durga Prasad Malladi
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 MX2009008631A publication Critical patent/MX2009008631A/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
    • 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
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/362—Aspects of the step size
    • 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
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)

Abstract

Se describen sistemas y metodologías que facilitan el empleo de correcciones de control de energía de bucle cerrado aperiódicas en un ambiente de comunicación inalámbrica basado en Evolución a Largo Plazo (LTE). Un comando de control de energía aperiódico puede enviarse sobre un enlace descendente para controlar y/o corregir un nivel de energía de enlace ascendente empleado por una terminal de acceso. La transmisión del control de energía aperiódico puede activarse por una medida (por ejemplo, energía recibida que está fuera de un margen establecido). El comando de control de energía aperiódico puede incluir una corrección de un solo bit y/o varios bits. Además, la terminal de acceso puede alterar el nivel de energía de enlace ascendente empleado para transmisiones de enlace ascendente subsiguientes basándose en el comando de control de energía aperiódico cuando se recibe. Adicionalmente, independientemente de si el comando de control de energía aperiódico se recibe en un momento dado sobre el enlace descendente, la terminal de acceso puede emplear comandos de control de energía periódicos y un mecanismo de control de energía de bucle abierto para ajustar el nivel de energía de enlace ascendente.
MX2009008631A 2007-02-14 2008-02-14 Control de energia de enlace ascendente para lte. MX2009008631A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US88993107P 2007-02-14 2007-02-14
US12/030,787 US8437792B2 (en) 2007-02-14 2008-02-13 Uplink power control for LTE
PCT/US2008/053925 WO2008101056A2 (en) 2007-02-14 2008-02-14 Uplink power control for lte

Publications (1)

Publication Number Publication Date
MX2009008631A true MX2009008631A (es) 2009-08-31

Family

ID=39690790

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009008631A MX2009008631A (es) 2007-02-14 2008-02-14 Control de energia de enlace ascendente para lte.

Country Status (17)

Country Link
US (1) US8437792B2 (es)
EP (1) EP2115891B1 (es)
JP (1) JP5362589B2 (es)
KR (1) KR101124904B1 (es)
AU (1) AU2008216214B2 (es)
BR (1) BRPI0807777B1 (es)
CA (1) CA2676127C (es)
ES (1) ES2579205T3 (es)
HK (1) HK1137575A1 (es)
HU (1) HUE027610T2 (es)
IL (1) IL199970A (es)
MX (1) MX2009008631A (es)
MY (1) MY148048A (es)
NZ (1) NZ578571A (es)
RU (1) RU2446572C2 (es)
TW (1) TWI375420B (es)
WO (1) WO2008101056A2 (es)

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US8437792B2 (en) 2013-05-07
IL199970A0 (en) 2010-04-15
EP2115891B1 (en) 2016-03-30
KR101124904B1 (ko) 2012-05-24
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US20080280638A1 (en) 2008-11-13
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KR20090120487A (ko) 2009-11-24
RU2446572C2 (ru) 2012-03-27

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