DE69938051T2 - Zellweise adaptives modulations- u. kanalcodierungsverfahren - Google Patents

Zellweise adaptives modulations- u. kanalcodierungsverfahren Download PDF

Info

Publication number
DE69938051T2
DE69938051T2 DE69938051T DE69938051T DE69938051T2 DE 69938051 T2 DE69938051 T2 DE 69938051T2 DE 69938051 T DE69938051 T DE 69938051T DE 69938051 T DE69938051 T DE 69938051T DE 69938051 T2 DE69938051 T2 DE 69938051T2
Authority
DE
Germany
Prior art keywords
radio links
quality
channel coding
information
downlink
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
DE69938051T
Other languages
German (de)
English (en)
Other versions
DE69938051D1 (de
Inventor
Fredric Kronestedt
Göran 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 DE69938051D1 publication Critical patent/DE69938051D1/de
Application granted granted Critical
Publication of DE69938051T2 publication Critical patent/DE69938051T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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)
DE69938051T 1998-10-06 1999-09-17 Zellweise adaptives modulations- u. kanalcodierungsverfahren Expired - Lifetime DE69938051T2 (de)

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
US167707 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
DE69938051D1 DE69938051D1 (de) 2008-03-13
DE69938051T2 true DE69938051T2 (de) 2009-01-15

Family

ID=22608479

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69938051T Expired - Lifetime DE69938051T2 (de) 1998-10-06 1999-09-17 Zellweise adaptives modulations- u. kanalcodierungsverfahren

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)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA2345291C (en) 2011-11-08
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

Similar Documents

Publication Publication Date Title
DE69938051T2 (de) Zellweise adaptives modulations- u. kanalcodierungsverfahren
DE602004007454T2 (de) Mobilkommunikationsgerät und Verfahren zur Sendeleistungsregelung für ein Multiplex-Funkkommunikationssystem
DE19781710B3 (de) Anrufaufbau-Verfahren in einem digitalen zellularen Funkkommunikationssystem
DE69904319T2 (de) Sanftes weiterreichen in zellularen mobilfunknetzen
DE69735320T3 (de) Sendeleistungssteuerung für die Abwärtsrichtung eines Mobilkommunikationssystems mit Site-Diversität
DE60219977T2 (de) Datenübertragungsratensteuerung auf der Aufwärtsstrecke für jede Mobilstation
DE602004007237T2 (de) Sendergesteuertes kodemultiplexvielfachzugriffssystem unter verwendung von multi-teilnehmer-diversität zur durchsatz-maximierung und zur bereitstellung von fairem zugriff für teilnehmer
DE602004010547T2 (de) Verfahren, vorrichtung und system zur datenübertragung und -verarbeitung in einer drahtlosen kommunikationsumgebung
DE602004003711T2 (de) Verfahren und vorrichtung zur leistungszuteilung zu steuerkanälen in einem kommunikationssystem
DE60120331T2 (de) Dynamischer Algorithmus zur Begrenzung der Rückwärtsverbindungsrate in einem System mit hoher Datenrate
DE60311464T2 (de) Messung von kanaleigenschaften in einem kommunikationssystem
DE69332468T2 (de) Verfahren und einrichtung zur steuerung der sendeleistung
DE69913232T3 (de) Verfahren und System zur Sendeleistungsregelung während Makrodiversität
DE69903110T2 (de) Funkübertragungsgerät und verfahren zur kontrolle der übertragungsrate
DE60320541T2 (de) Verfahren und vorrichtung zur schätzung der erforderlichen leistung zur datenübertragung mit einer rate in einem kommunikationssystem
DE60311466T2 (de) Adaptive verstärkungsregelung mit rückkopplung
DE69618238T2 (de) Verfahren zur einstellung der sendeleistung während des anrufaufbaus, und zellulares funksystem
DE60006514T2 (de) Verfahren und vorrichtung zur verwaltung von paketübertragung in einem zellularsystem
DE60123785T2 (de) Verbindungsanpassung für zellulares funksystem
DE69830146T2 (de) Verfahren und vorrichtung um handoff in einem kommunikationssystem zu kontrollieren
DE602005003088T2 (de) Verfahren zum Einstellen der Konfiguration eines Rückwärtskanalqualitätsindikator-Kanals (R-CQICH) auf Basis von in einer Basisstation eines zellularen Kommunikationsnetzwerks bestimmten Qualitäts-Metriken
DE69827078T2 (de) Empfangsdaten Basisfunkstationsübertragungssystem für Site-Diversity in der Aufwärtsrichtung in einem Mobilkomminikationssytem
DE60111189T2 (de) Verfahren zur Steuerung der Übertragung in Aufwärtsrichtung in einem drahtlosen Kommunikationssystem
WO2004073245A1 (de) Verfahren zur datenübertragung
DE602004012189T2 (de) Schnelle Anpassung der Datenrate eines Paketdaten-Rückkanals in einem mobilen Kommunikationssystem

Legal Events

Date Code Title Description
8364 No opposition during term of opposition