BR0307763A - sistema e método para retorno de qualidade de canal - Google Patents

sistema e método para retorno de qualidade de canal

Info

Publication number
BR0307763A
BR0307763A BRPI0307763-2A BR0307763A BR0307763A BR 0307763 A BR0307763 A BR 0307763A BR 0307763 A BR0307763 A BR 0307763A BR 0307763 A BR0307763 A BR 0307763A
Authority
BR
Brazil
Prior art keywords
subchannel
channel
base station
channel quality
return
Prior art date
Application number
BRPI0307763-2A
Other languages
English (en)
Inventor
Peter Gaal
Joseph P Odenwalder
Stein A Lundby
David Puig Oses
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 BR0307763A publication Critical patent/BR0307763A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

"SISTEMA E MéTODO PAPA RETORNO DE QUALIDADE DE CANAL". Descrevem-se métodos e equipamento para aperfeiçoar o retorno de informações de canal para uma estação base em serviço que permitem uma redução na carga de link reverso ao mesmo tempo em que permitem que a estação base melhore a capacidade de transmissão de dados do link direto. Através de um canal indicador de qualidade de canal, três sub-canais são gerados; o sub-canal de resincronização (600), o sub-canal de retorno diferencial (620), e o sub-canal indicador de transição (630). As informações transportadas em cada sub-canal podem ser utilizadas separadamente ou juntas por uma estação base para atualizar seletivamente registradores internos que armazenam condições de canal. As condições de canal são utilizadas para determinar formatos de transmissão, níveis de potência e taxas de dados de transmissões de link direto.
BRPI0307763-2A 2002-02-19 2003-02-19 sistema e método para retorno de qualidade de canal BR0307763A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/079,778 US7050759B2 (en) 2002-02-19 2002-02-19 Channel quality feedback mechanism and method
PCT/US2003/005373 WO2003071721A1 (en) 2002-02-19 2003-02-19 System and method for channel quality feedback

Publications (1)

Publication Number Publication Date
BR0307763A true BR0307763A (pt) 2007-01-02

Family

ID=27733096

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0307763-2A BR0307763A (pt) 2002-02-19 2003-02-19 sistema e método para retorno de qualidade de canal

Country Status (12)

Country Link
US (5) US7050759B2 (pt)
EP (1) EP1476973B1 (pt)
JP (1) JP4463561B2 (pt)
KR (2) KR100971316B1 (pt)
CN (1) CN1666446B (pt)
AU (1) AU2003213218B2 (pt)
BR (1) BR0307763A (pt)
CA (1) CA2475517A1 (pt)
MX (1) MXPA04008009A (pt)
SG (1) SG150384A1 (pt)
TW (1) TWI318527B (pt)
WO (1) WO2003071721A1 (pt)

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AU2003213218A1 (en) 2003-09-09
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US8094571B2 (en) 2012-01-10
AU2003213218B2 (en) 2008-05-01
US20050159110A1 (en) 2005-07-21
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US20050180450A1 (en) 2005-08-18
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CN1666446A (zh) 2005-09-07
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US7548728B2 (en) 2009-06-16
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US8340587B2 (en) 2012-12-25
US20060211378A1 (en) 2006-09-21
US20100159937A1 (en) 2010-06-24
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