BR0005605A - Método e aparelho para controle do aumento da interferência de um enlace reverso e da instabilidade do controle de energia em um sistema sem fio - Google Patents

Método e aparelho para controle do aumento da interferência de um enlace reverso e da instabilidade do controle de energia em um sistema sem fio

Info

Publication number
BR0005605A
BR0005605A BR0005605-7A BR0005605A BR0005605A BR 0005605 A BR0005605 A BR 0005605A BR 0005605 A BR0005605 A BR 0005605A BR 0005605 A BR0005605 A BR 0005605A
Authority
BR
Brazil
Prior art keywords
commands
algorithm
modified
rilpc
percentage
Prior art date
Application number
BR0005605-7A
Other languages
English (en)
Inventor
Asif Dawoodi Gandhi
Stanley Vitebsky
Marc Benedict Ibanez
Lei Song
Mathew Thomas
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of BR0005605A publication Critical patent/BR0005605A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is 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
    • H04W52/06—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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters

Landscapes

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

Abstract

<B>MéTODO E SISTEMA DE CONTROLE DE ENERGIA PARA GERAR COMANDOS DE AJUSTE DE ENERGIA DE TRANSMISSãO EM UMA REDE DE COMUNICAçãO SEM FIO<D> Um sistema e um método para controle de energia de enlace inverso em uma rede de comunicação sem fio geram comandos de ajuste de energia para aparelhos móveis sendo atendidos por uma estação de base de rede em um modo centralizado considerando desempenho global do sistema quando uma condição de interferência aumentada é detectada. Em uma implementação, um processador de controle de energia de estação de base adota um algoritmo de controle de energia de loop interno inverso modificado (RILPC) e/ou um de controle de energia de loop externo inverso (ROLPC) quando uma condição de interferência aumentada é detectada. De acordo com o algoritmo RILPC modificado, uma porcentagem de comandos de ajuste de ligação que seria normalmente gerado quando medições de E~ b~ /N~ o~ para aparelhos móveis atendidos não atendem níveis de E~ b~ /N~ o~ alvo são convertidas em comandos de ajuste de desligar, desse modo forçando alguns aparelhos móveis a reduzir energia de transmissão, pelo menos temporariamente, para limitar a interferência. Quando a condição de interferência aumentada persiste, a porcentagem de comandos de ajuste de ligação que são convertidos em comandos de desligar pode ser alterada. De acordo com o algoritmo ROLPC modificado, o processador de controle de energia ajusta níveis de E~ b~ /N~ o~ alvo em um modo centralizado com base em um estado de sistema global de modo que se permite que apenas um número limitado de níveis de E~ b~ /N~ o~ alvo aumente quando ocorrem restaurações de quadro. Evitando uma porcentagem de aumentos de nível de E~ b~ /N~ o~ alvo, pelo menos temporariamente, quando restaurações de quadro ocorrem, evita-se uma porcentagem de comandos de ajuste de ligar. Portanto, um efeito similar àquele obtido pelo RILPC modificado é obtido. De acordo ainda com uma implementação adicional da presente invenção, o algoritmo de RILPC modificado pode ser utilizado em combinação com o algoritmo de ROLPC modificado para fornecer maior resistência a condições de interferência aumentada.
BR0005605-7A 1999-10-06 2000-09-29 Método e aparelho para controle do aumento da interferência de um enlace reverso e da instabilidade do controle de energia em um sistema sem fio BR0005605A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/413,036 US6968201B1 (en) 1999-10-06 1999-10-06 Method and apparatus for controlling reverse link interference rise and power control instability in a wireless system

Publications (1)

Publication Number Publication Date
BR0005605A true BR0005605A (pt) 2001-06-12

Family

ID=23635539

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0005605-7A BR0005605A (pt) 1999-10-06 2000-09-29 Método e aparelho para controle do aumento da interferência de um enlace reverso e da instabilidade do controle de energia em um sistema sem fio

Country Status (9)

Country Link
US (1) US6968201B1 (pt)
EP (1) EP1091503B1 (pt)
JP (1) JP4737810B2 (pt)
KR (1) KR100747912B1 (pt)
CN (1) CN1297295A (pt)
AU (1) AU6246500A (pt)
BR (1) BR0005605A (pt)
CA (1) CA2322236A1 (pt)
DE (1) DE60044326D1 (pt)

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Also Published As

Publication number Publication date
KR20010050851A (ko) 2001-06-25
AU6246500A (en) 2001-04-12
CA2322236A1 (en) 2001-04-06
EP1091503A3 (en) 2003-07-09
CN1297295A (zh) 2001-05-30
JP4737810B2 (ja) 2011-08-03
EP1091503B1 (en) 2010-05-05
DE60044326D1 (de) 2010-06-17
KR100747912B1 (ko) 2007-08-08
EP1091503A2 (en) 2001-04-11
US6968201B1 (en) 2005-11-22
JP2001177472A (ja) 2001-06-29

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA H04Q 7/32.

Ipc: H04W 52/14 (2009.01), H04W 52/24 (2009.01)

Ipc: H04W 52/14 (2009.01), H04W 52/24 (2009.01)