NO20072807L - Tradlos kommunikasjonsfremgangsmote og apparat for adaptivt a forhandssette (biasing) kanalkvalitetsindikatorer for a vedlikeholde en onsket blokkfeirate - Google Patents

Tradlos kommunikasjonsfremgangsmote og apparat for adaptivt a forhandssette (biasing) kanalkvalitetsindikatorer for a vedlikeholde en onsket blokkfeirate

Info

Publication number
NO20072807L
NO20072807L NO20072807A NO20072807A NO20072807L NO 20072807 L NO20072807 L NO 20072807L NO 20072807 A NO20072807 A NO 20072807A NO 20072807 A NO20072807 A NO 20072807A NO 20072807 L NO20072807 L NO 20072807L
Authority
NO
Norway
Prior art keywords
ack
cqi
transmitter
bler
channel quality
Prior art date
Application number
NO20072807A
Other languages
English (en)
Inventor
Douglas R Castor
Philip J Pietraski
Gregorio S Sternberg
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of NO20072807L publication Critical patent/NO20072807L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
    • H04L1/0021—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach in which the algorithm uses adaptive thresholds
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • 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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/12—Outer and inner loops
    • 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
    • H04W52/20—TPC being performed according to specific parameters using error rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Transceivers (AREA)
  • Communication Control (AREA)

Abstract

En fremgangsmåte og apparat for adaptivt å forskyve en kanalkvalitetsindikator (CQI) brukt for å innstille en konfigurasjon for kommunikasjon mellom en sender og mottaker i et trådløst kommunikasjonssystem. Mottakeren sender en CQI og positiv kvittering (ACK)/ negativ kvittering (NACK) meldinger til senderen. ACK/NACK meldingene indikerer fraværet eller tilstedeværelsen av feil, respektivt, i en sendt datapakke. Nevnte CQI er utledet fra signal-til-interferensforholdet (SIR) og ACK/NACK meldingene. Senderen beregner blokkfeilraten (BLER) til de sendte datapakkene basert på ACK/NACK meldingene sendt fra mottakeren. Senderen sammenlikner BLER til de sendte datapakkene med en målsatt BLER og forskyver CQI basert på sammenlikningen for å oppnå den målsatte BLER.
NO20072807A 2004-11-04 2007-06-01 Tradlos kommunikasjonsfremgangsmote og apparat for adaptivt a forhandssette (biasing) kanalkvalitetsindikatorer for a vedlikeholde en onsket blokkfeirate NO20072807L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/981,248 US7492722B2 (en) 2004-11-04 2004-11-04 Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate
PCT/US2005/038491 WO2006052448A2 (en) 2004-11-04 2005-10-25 Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate

Publications (1)

Publication Number Publication Date
NO20072807L true NO20072807L (no) 2007-07-26

Family

ID=36261830

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20072807A NO20072807L (no) 2004-11-04 2007-06-01 Tradlos kommunikasjonsfremgangsmote og apparat for adaptivt a forhandssette (biasing) kanalkvalitetsindikatorer for a vedlikeholde en onsket blokkfeirate

Country Status (12)

Country Link
US (2) US7492722B2 (no)
EP (2) EP2099151A1 (no)
JP (2) JP2008519562A (no)
KR (2) KR20070086940A (no)
CN (1) CN101124832B (no)
AT (1) ATE435573T1 (no)
CA (1) CA2585521A1 (no)
DE (1) DE602005015246D1 (no)
MX (1) MX2007005402A (no)
NO (1) NO20072807L (no)
TW (3) TWI390888B (no)
WO (1) WO2006052448A2 (no)

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Publication number Publication date
CA2585521A1 (en) 2006-05-18
US7492722B2 (en) 2009-02-17
TWI390888B (zh) 2013-03-21
TW200943808A (en) 2009-10-16
WO2006052448A2 (en) 2006-05-18
WO2006052448A3 (en) 2007-07-05
EP1810437A2 (en) 2007-07-25
CN101124832B (zh) 2011-02-16
TW200711370A (en) 2007-03-16
ATE435573T1 (de) 2009-07-15
EP2099151A1 (en) 2009-09-09
US20090075598A1 (en) 2009-03-19
MX2007005402A (es) 2007-05-16
JP2008519562A (ja) 2008-06-05
DE602005015246D1 (de) 2009-08-13
US20060093024A1 (en) 2006-05-04
KR100881937B1 (ko) 2009-02-06
CN101124832A (zh) 2008-02-13
EP1810437B1 (en) 2009-07-01
TWI388150B (zh) 2013-03-01
TWI302791B (en) 2008-11-01
EP1810437A4 (en) 2008-06-04
TW200625861A (en) 2006-07-16
US8688054B2 (en) 2014-04-01
KR20070086940A (ko) 2007-08-27
JP2010004549A (ja) 2010-01-07
KR20070085747A (ko) 2007-08-27

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