CA2345291C - Adaptive cell-level modulation and channel coding - Google Patents

Adaptive cell-level modulation and channel coding Download PDF

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Publication number
CA2345291C
CA2345291C CA2345291A CA2345291A CA2345291C CA 2345291 C CA2345291 C CA 2345291C CA 2345291 A CA2345291 A CA 2345291A CA 2345291 A CA2345291 A CA 2345291A CA 2345291 C CA2345291 C CA 2345291C
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CA
Canada
Prior art keywords
radio links
channel coding
quality
downlink
modulation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA2345291A
Other languages
English (en)
French (fr)
Other versions
CA2345291A1 (en
Inventor
Fredric Kronestedt
Goran Malmgren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CA2345291A1 publication Critical patent/CA2345291A1/en
Application granted granted Critical
Publication of CA2345291C publication Critical patent/CA2345291C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H04L1/0002—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
    • H04L1/0023—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
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • H04L1/0034—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter where the transmitter decides based on inferences, e.g. use of implicit signalling
    • 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
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H04L2001/0093—Point-to-multipoint

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
CA2345291A 1998-10-06 1999-09-17 Adaptive cell-level modulation and channel coding Expired - Lifetime CA2345291C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/167,707 US6308082B1 (en) 1998-10-06 1998-10-06 Cell-level throughput adjustment in digital cellular systems
US09/167,707 1998-10-06
PCT/SE1999/001634 WO2000021235A1 (en) 1998-10-06 1999-09-17 Adaptive cell-level modulation and channel coding

Publications (2)

Publication Number Publication Date
CA2345291A1 CA2345291A1 (en) 2000-04-13
CA2345291C true CA2345291C (en) 2011-11-08

Family

ID=22608479

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2345291A Expired - Lifetime CA2345291C (en) 1998-10-06 1999-09-17 Adaptive cell-level modulation and channel coding

Country Status (8)

Country Link
US (1) US6308082B1 (enExample)
EP (1) EP1118182B1 (enExample)
JP (1) JP4408570B2 (enExample)
CN (1) CN1155193C (enExample)
AU (1) AU761352B2 (enExample)
CA (1) CA2345291C (enExample)
DE (1) DE69938051T2 (enExample)
WO (1) WO2000021235A1 (enExample)

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US6449490B1 (en) * 1999-05-24 2002-09-10 Qualcomm Incorporated Transmitter directed code division multiple access system using path diversity to equitably maximize throughput
US8050198B2 (en) * 1999-05-24 2011-11-01 Qualcomm Incorporated Method and system for scheduling data transmission in communication systems
FI109072B (fi) 1999-06-16 2002-05-15 Nokia Corp Menetelmä ja järjestely kanavakoodaus- ja lomitusmenettelyn valitsemiseksi eräissä pakettidatayhteyksissä
US6804211B1 (en) 1999-08-03 2004-10-12 Wi-Lan Inc. Frame structure for an adaptive modulation wireless communication system
US8463255B2 (en) * 1999-12-20 2013-06-11 Ipr Licensing, Inc. Method and apparatus for a spectrally compliant cellular communication system
US6567375B2 (en) * 2000-03-13 2003-05-20 Lucent Technologies Inc. Method and apparatus for packet size dependent link adaptation for wireless packet
GB0008119D0 (en) * 2000-04-03 2000-05-24 Nokia Networks Oy Estimating communication quality
SE0001918L (sv) * 2000-05-23 2001-11-24 Ericsson Telefon Ab L M Aktivitetsindikerande pilot
JP3426194B2 (ja) * 2000-06-26 2003-07-14 松下電器産業株式会社 通信端末装置
JP3821636B2 (ja) * 2000-08-21 2006-09-13 松下電器産業株式会社 通信端末装置、基地局装置および無線通信方法
US7197022B2 (en) 2000-11-15 2007-03-27 Wi-Lan, Inc. Framing for an adaptive modulation communication system
SE0101281D0 (sv) * 2001-04-06 2001-04-06 Ericsson Telefon Ab L M Method and system of link control
US6810236B2 (en) 2001-05-14 2004-10-26 Interdigital Technology Corporation Dynamic channel quality measurement procedure for adaptive modulation and coding techniques
DE10141815A1 (de) * 2001-08-27 2003-04-03 Siemens Ag Verfahren zur Paketdatenübertragung
DE60110942T2 (de) * 2001-10-12 2005-11-10 Nokia Corp. Adaptives punkt-zu-punkt-mikrowellenfunksystem
JP2003198443A (ja) * 2001-12-26 2003-07-11 Matsushita Electric Ind Co Ltd 基地局装置、通信端末装置及び無線通信方法
US6999439B2 (en) * 2002-01-31 2006-02-14 Mitsubishi Denki Kabushiki Kaisha Information transmission method, mobile communications system, base station and mobile station in which data size of identification data is reduced
EP1619919B8 (en) * 2002-01-31 2012-02-15 Research In Motion Limited Mobile station
US7340267B2 (en) * 2002-04-17 2008-03-04 Lucent Technologies Inc. Uplink power control algorithm
US7418241B2 (en) * 2002-08-09 2008-08-26 Qualcomm Incorporated System and techniques for enhancing the reliability of feedback in a wireless communications system
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US7346018B2 (en) * 2003-01-16 2008-03-18 Qualcomm, Incorporated Margin control in a data communication system
FR2854304A1 (fr) * 2003-04-25 2004-10-29 Nortel Networks Ltd Procede de controle de liens radio dans un systeme de radiocommunication et unite de controle pour mettre en oeuvre le procede
US7433460B2 (en) * 2003-04-30 2008-10-07 Lucent Technologies Inc. Methods of controlling link quality and transmit power in communication networks
JP4506979B2 (ja) 2003-05-27 2010-07-21 日本電気株式会社 適応変調において適切な閾値で変調方式を選択するデータ通信装置
EP1499059B1 (en) * 2003-07-18 2011-07-06 Motorola Mobility, Inc. Method and device for determining the link quality in an OFDM network
JP4413869B2 (ja) * 2006-01-17 2010-02-10 株式会社エヌ・ティ・ティ・ドコモ 無線通信装置及び送信方法
JP5011546B2 (ja) * 2009-05-27 2012-08-29 株式会社エヌ・ティ・ティ・ドコモ 無線通信装置及び受信方法
EP3127377B1 (en) * 2014-05-08 2018-07-11 Huawei Technologies Co., Ltd. A method to save energy for mobile terminals in wireless network
US10560755B2 (en) * 2016-09-23 2020-02-11 Verizon Patent And Licensing Inc. Methods and systems for concurrently transmitting object data by way of parallel network interfaces

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4329010A1 (de) 1993-08-28 1995-03-02 Sel Alcatel Ag Funksystem
SE9304119D0 (sv) * 1993-12-10 1993-12-10 Ericsson Ge Mobile Communicat Apparatuses and mobile stations for providing packet data communication in digital TDMA cellular systems
FI97927C (fi) * 1995-05-09 1997-03-10 Nokia Telecommunications Oy Ei-transparentti datansiirto digitaalisessa tietoliikennejärjestelmässä
US5701294A (en) 1995-10-02 1997-12-23 Telefonaktiebolaget Lm Ericsson System and method for flexible coding, modulation, and time slot allocation in a radio telecommunications network
US5951896A (en) * 1996-12-04 1999-09-14 Micro C Technologies, Inc. Rapid thermal processing heater technology and method of use
DE19651593B4 (de) 1996-12-11 2008-11-20 Rohde & Schwarz Gmbh & Co. Kg Anordnung zum Optimieren der Datenübertragung über einen bidirektionalen Funkkanal
US5909469A (en) * 1997-08-29 1999-06-01 Telefonaktoebolaget Lm Ericsson Link adaptation method for links using modulation schemes that have different symbol rates
US6167031A (en) 1997-08-29 2000-12-26 Telefonaktiebolaget Lm Ericsson (Publ) Method for selecting a combination of modulation and channel coding schemes in a digital communication system

Also Published As

Publication number Publication date
AU761352B2 (en) 2003-06-05
DE69938051D1 (de) 2008-03-13
EP1118182B1 (en) 2008-01-23
AU1301700A (en) 2000-04-26
EP1118182A1 (en) 2001-07-25
CN1155193C (zh) 2004-06-23
DE69938051T2 (de) 2009-01-15
WO2000021235A1 (en) 2000-04-13
CN1322421A (zh) 2001-11-14
JP2002527938A (ja) 2002-08-27
JP4408570B2 (ja) 2010-02-03
CA2345291A1 (en) 2000-04-13
WO2000021235B1 (en) 2000-06-08
US6308082B1 (en) 2001-10-23

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