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NO20070587L - Linkkvalitetstilbakekopling i et tradlost kommunikasjonssystem. - Google Patents

Linkkvalitetstilbakekopling i et tradlost kommunikasjonssystem.

Info

Publication number
NO20070587L
NO20070587L NO20070587A NO20070587A NO20070587L NO 20070587 L NO20070587 L NO 20070587L NO 20070587 A NO20070587 A NO 20070587A NO 20070587 A NO20070587 A NO 20070587A NO 20070587 L NO20070587 L NO 20070587L
Authority
NO
Norway
Prior art keywords
quality
link quality
transmitter
link
quality feedback
Prior art date
Application number
NO20070587A
Other languages
English (en)
Inventor
Leonid Razoumov
Stein A Lundby
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
Publication of NO20070587L publication Critical patent/NO20070587L/no
Application filed by Qualcomm Inc filed Critical Qualcomm Inc

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]
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • H04W52/60—Signalisation aspects of the TPC commands, e.g. frame structure using different transmission rates for TPC commands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • 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]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/22—TPC being performed according to specific parameters taking into account previous information or commands
    • H04W52/226—TPC being performed according to specific parameters taking into account previous information or commands using past references to control power, e.g. look-up-table
    • 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
    • H04W52/08—Closed loop 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]
    • H04W52/18—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
    • H04W52/248—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where transmission power control commands are generated based on a path parameter
    • 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]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radio Relay Systems (AREA)
  • Transceivers (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Transmitters (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

Fremgangsmåte og apparat for å etablere en linkkvalitetstilbakekopling til en sender (32, 34). I en særskilt utførelse sendes periodisk en linkkvalitetsmelding via en portstyrt kanal, samtidig med at kontinuerlige differensialindikatorer sendes. Mellom kvalitetsmeldingene følger indikatorer på linkens signaloverførings-kvalitet. De periodiske kvalitetsmeldinger gir synkronisering mellom sender og en mottaker (36, 38). Koding legges til tilbakekoplingsinformasjon som fastlegger senderen. I en særlig utførelse omfatter en fjernstasjon en differensialanalysator (212) for å bestemme endring i påfølgende kanalkvalitetsmålinger. I en alternativ utførelse portstyres linkkvalitetstilbakekoplingsinformasjon i samsvar med kanalsituasjonen.
NO20070587A 2001-02-15 2007-01-31 Linkkvalitetstilbakekopling i et tradlost kommunikasjonssystem. NO20070587L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/784,807 US6985453B2 (en) 2001-02-15 2001-02-15 Method and apparatus for link quality feedback in a wireless communication system

Publications (1)

Publication Number Publication Date
NO20070587L true NO20070587L (no) 2002-08-16

Family

ID=25133591

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20033606A NO329818B1 (no) 2001-02-15 2003-08-14 Linkkvalitetstilbakekopling i et tradlost kommunikasjonssystem
NO20070587A NO20070587L (no) 2001-02-15 2007-01-31 Linkkvalitetstilbakekopling i et tradlost kommunikasjonssystem.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NO20033606A NO329818B1 (no) 2001-02-15 2003-08-14 Linkkvalitetstilbakekopling i et tradlost kommunikasjonssystem

Country Status (20)

Country Link
US (1) US6985453B2 (no)
EP (3) EP1360778B1 (no)
JP (4) JP2004531114A (no)
KR (2) KR100933513B1 (no)
CN (3) CN103813390B (no)
AT (2) ATE366003T1 (no)
AU (2) AU2002247030B8 (no)
BR (1) BRPI0207875B1 (no)
CA (1) CA2438440C (no)
DE (1) DE60220881T2 (no)
DK (1) DK1801997T3 (no)
ES (2) ES2284844T3 (no)
IL (3) IL157405A0 (no)
MX (1) MXPA03007362A (no)
NO (2) NO329818B1 (no)
PT (1) PT1801997E (no)
RU (1) RU2285338C2 (no)
TW (1) TW535371B (no)
UA (1) UA74416C2 (no)
WO (1) WO2002067461A1 (no)

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CA2438440C (en) 2011-04-19
EP1801997A2 (en) 2007-06-27
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EP2256945A2 (en) 2010-12-01
EP2256945B1 (en) 2017-05-31
RU2003127724A (ru) 2005-03-27
KR100899145B1 (ko) 2009-05-27
CN1531786B (zh) 2010-04-28
CN101018088A (zh) 2007-08-15
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TW535371B (en) 2003-06-01
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AU2006252253B2 (en) 2008-04-10
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PT1801997E (pt) 2012-06-15
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