MX2009008640A - Control de energia de enlace ascendente basado en preambulo para lte. - Google Patents

Control de energia de enlace ascendente basado en preambulo para lte.

Info

Publication number
MX2009008640A
MX2009008640A MX2009008640A MX2009008640A MX2009008640A MX 2009008640 A MX2009008640 A MX 2009008640A MX 2009008640 A MX2009008640 A MX 2009008640A MX 2009008640 A MX2009008640 A MX 2009008640A MX 2009008640 A MX2009008640 A MX 2009008640A
Authority
MX
Mexico
Prior art keywords
power control
uplink
preamble
access terminal
uplink grant
Prior art date
Application number
MX2009008640A
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 MX2009008640A publication Critical patent/MX2009008640A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/10Open loop power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/08Closed loop power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/38TPC being performed in particular situations
    • H04W52/44TPC being performed in particular situations in connection with interruption of transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices

Landscapes

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

Abstract

Se describen sistemas y metodologías que facilitan la utilización de preámbulos de control de energía con técnicas de control de energía de bucle cerrado en un ambiente de comunicación inalámbrica. Una concesión de enlace ascendente puede transferirse sobre un enlace descendente (por ejemplo, una primera concesión de enlace ascendente después de la inactividad de enlace ascendente), y un preámbulo de control de energía puede enviarse sobre un enlace ascendente en respuesta a la concesión de enlace ascendente. De acuerdo con un ejemplo, la transmisión del preámbulo de control de energía puede programarse explícitamente y/o programarse implícitamente. El preámbulo de control de energía puede transmitirse a un nivel de energía determinado por una terminal de acceso que utiliza un mecanismo de control de energía de bucle abierto. Una estación base puede analizar el preámbulo de control de energía y generar un comando de control de energía basándose en el mismo para corregir el nivel de energía empleado por la terminal de acceso. La terminal de acceso puede utilizar después de esto el comando de control de energía para ajustar el nivel de energía para la transmisión de datos de enlace ascendente.
MX2009008640A 2007-02-14 2008-02-14 Control de energia de enlace ascendente basado en preambulo para lte. MX2009008640A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US88993107P 2007-02-14 2007-02-14
US12/030,333 US7986959B2 (en) 2007-02-14 2008-02-13 Preamble based uplink power control for LTE
PCT/US2008/053922 WO2008101055A2 (en) 2007-02-14 2008-02-14 Preamble based uplink power control for lte

Publications (1)

Publication Number Publication Date
MX2009008640A true MX2009008640A (es) 2009-08-31

Family

ID=39690789

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009008640A MX2009008640A (es) 2007-02-14 2008-02-14 Control de energia de enlace ascendente basado en preambulo para lte.

Country Status (17)

Country Link
US (4) US7986959B2 (es)
EP (1) EP2127129B1 (es)
JP (4) JP5921799B2 (es)
KR (1) KR101124760B1 (es)
CN (1) CN103607764B (es)
AU (1) AU2008216213B2 (es)
BR (1) BRPI0807822B1 (es)
CA (1) CA2676183C (es)
ES (1) ES2658769T3 (es)
HU (1) HUE036536T2 (es)
IL (1) IL200022A (es)
MX (1) MX2009008640A (es)
MY (1) MY151933A (es)
NZ (1) NZ578570A (es)
RU (1) RU2428794C2 (es)
TW (1) TWI364923B (es)
WO (1) WO2008101055A2 (es)

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