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MX2009004498A - Aparato y metodo de acceso aleatorio para comunicacion inalambrica. - Google Patents

Aparato y metodo de acceso aleatorio para comunicacion inalambrica.

Info

Publication number
MX2009004498A
MX2009004498A MX2009004498A MX2009004498A MX2009004498A MX 2009004498 A MX2009004498 A MX 2009004498A MX 2009004498 A MX2009004498 A MX 2009004498A MX 2009004498 A MX2009004498 A MX 2009004498A MX 2009004498 A MX2009004498 A MX 2009004498A
Authority
MX
Mexico
Prior art keywords
message
sends
control information
power control
parameter
Prior art date
Application number
MX2009004498A
Other languages
English (en)
Inventor
Juan Montojo
Durga Prasad Malladi
Aleksandar Damnjanovic
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 MX2009004498A publication Critical patent/MX2009004498A/es

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]
    • 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]
    • H04W52/06—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. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [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
    • H04W52/365—Power headroom reporting
    • 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]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36—Transmission power control [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
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0473—Wireless resource allocation based on the type of the allocated resource the resource being transmission power
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • 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
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Landscapes

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

Abstract

Se describe técnicas para enviar mensajes para acceso de sistemas. En un aspecto, un equipo de usuario (UE) envía un primer mensaje con información de margen de reserva de potencia y/o de tamaño de memoria intermedia para el acceso de sistema. Un Nodo B determina por lo menos un parámetro (por ejemplo, una concesión de recursos, información de control de potencia, etc.), basándose en el margen de reserva de potencia y/o la información de tamaño de memoria intermedia. El Nodo B envía un segundo mensaje con el o los parámetros. El UE envía un tercer mensaje basándose en el o los parámetros, por ejemplo, con recursos de enlace ascendente indicados por la concesión de recursos, con potencia de transmisión determinada basa en la información de control de potencia, etc. En otro aspecto, el UE indica un reporte de ambiente de radio en el tercer mensaje. El reporte puede utilizarse para seleccionar una celda y/o una frecuencia para el UE. En aún otro aspecto, el segundo mensaje incluye información de control de potencia, y el UE envía el tercer mensaje basándose en la información de control de potencia.
MX2009004498A 2006-10-31 2007-10-31 Aparato y metodo de acceso aleatorio para comunicacion inalambrica. MX2009004498A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85590306P 2006-10-31 2006-10-31
PCT/US2007/083239 WO2008055235A2 (en) 2006-10-31 2007-10-31 Apparatus and method of random access for wireless communication

Publications (1)

Publication Number Publication Date
MX2009004498A true MX2009004498A (es) 2009-05-13

Family

ID=39227009

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009004498A MX2009004498A (es) 2006-10-31 2007-10-31 Aparato y metodo de acceso aleatorio para comunicacion inalambrica.

Country Status (15)

Country Link
US (1) US20100093386A1 (es)
EP (1) EP2095582A2 (es)
JP (2) JP5166427B2 (es)
KR (3) KR20120114362A (es)
CN (1) CN101529831B (es)
AU (1) AU2007313625A1 (es)
BR (1) BRPI0718367A2 (es)
CA (1) CA2667296C (es)
IL (1) IL198217A0 (es)
MX (1) MX2009004498A (es)
NO (1) NO20091646L (es)
RU (1) RU2426251C2 (es)
TW (1) TW200833043A (es)
UA (1) UA100678C2 (es)
WO (1) WO2008055235A2 (es)

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