JP4408570B2 - セル−レベルでの適応変調及び適応チャネル符号化 - Google Patents

セル−レベルでの適応変調及び適応チャネル符号化 Download PDF

Info

Publication number
JP4408570B2
JP4408570B2 JP2000575252A JP2000575252A JP4408570B2 JP 4408570 B2 JP4408570 B2 JP 4408570B2 JP 2000575252 A JP2000575252 A JP 2000575252A JP 2000575252 A JP2000575252 A JP 2000575252A JP 4408570 B2 JP4408570 B2 JP 4408570B2
Authority
JP
Japan
Prior art keywords
channel coding
quality
modulation
downlink
radio
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
JP2000575252A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002527938A (ja
JP2002527938A5 (enExample
Inventor
フレドリック クローネステット，
ゲラン マルムグレン，
Original Assignee
テレフオンアクチーボラゲット エル エム エリクソン（パブル）
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 テレフオンアクチーボラゲット エル エム エリクソン（パブル） filed Critical テレフオンアクチーボラゲット エル エム エリクソン（パブル）
Publication of JP2002527938A publication Critical patent/JP2002527938A/ja
Publication of JP2002527938A5 publication Critical patent/JP2002527938A5/ja
Application granted granted Critical
Publication of JP4408570B2 publication Critical patent/JP4408570B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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)
JP2000575252A 1998-10-06 1999-09-17 セル−レベルでの適応変調及び適応チャネル符号化 Expired - Lifetime JP4408570B2 (ja)

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 (3)

Publication Number Publication Date
JP2002527938A JP2002527938A (ja) 2002-08-27
JP2002527938A5 JP2002527938A5 (enExample) 2009-06-25
JP4408570B2 true JP4408570B2 (ja) 2010-02-03

Family

ID=22608479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000575252A Expired - Lifetime JP4408570B2 (ja) 1998-10-06 1999-09-17 セル−レベルでの適応変調及び適応チャネル符号化

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
DE69938051T2 (de) 2009-01-15
CA2345291C (en) 2011-11-08
WO2000021235A1 (en) 2000-04-13
CN1322421A (zh) 2001-11-14
JP2002527938A (ja) 2002-08-27
CA2345291A1 (en) 2000-04-13
WO2000021235B1 (en) 2000-06-08
US6308082B1 (en) 2001-10-23

Similar Documents

Publication Publication Date Title
JP4408570B2 (ja) セル−レベルでの適応変調及び適応チャネル符号化
EP0976282B1 (en) Automatic data transfer mode control
JP3793312B2 (ja) 無線チャネルを介して受信機へ信号を伝送する方法と無線通信チャネルを介して受信機へ信号を伝送する移動無線送信機装置
CA2363652C (en) Method and system for control signalling enabling flexible link adaption in a radiocommunication system
KR100669271B1 (ko) 코덱 모드 정보의 교호 송신을 위한 방법 및 시스템
US8364179B2 (en) Feedback-based management of variable-rate communication links
RU2214069C2 (ru) Модифицированное управление мощностью базовых станций во время макроразнесения
JP3955728B2 (ja) 適応形無線リンク
US20090103598A1 (en) Link adaptation in wireless networks for throughput maximization under retransmissions
US20050030923A1 (en) Method and system for handling the transcoding of connections handed off between mobile switching centers
US20050255808A1 (en) Method and apparatus to provide power control with finite rate feedback for cooperative relay networks
KR20010073079A (ko) 추론적 지식을 이용한 코덱 모드 디코딩
US7379755B2 (en) Mobile communication system, radio base station controller and transmitting and receiving power control method therefor
JP2002511210A (ja) マクロダイバーシチ中の改良されたダウンリンクパワー制御
JP3860538B2 (ja) 無線システムでの送信電力調整方法
GB2322047A (en) Selecting speech encoder and data rate according to transmission conditions in a radio communication system
US7308281B2 (en) Optimal two-leg histeresys for power control and phy mode switching control in adaptive phy mode systems
KR20020011557A (ko) Ｈｄｒ 시스템에서의 역방향 트래픽 채널의 전송속도 제어방법 및 이를 위한 장치
JP4395353B2 (ja) 移動通信システムの基地局装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060710

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090115

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090210

A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20090511

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20091013

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20091110

R150 Certificate of patent or registration of utility model

Ref document number: 4408570

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121120

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131120

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term