DE60221061D1 - Adaptives Modulationsverfahren für TDMA-Übertragungen - Google Patents

Adaptives Modulationsverfahren für TDMA-Übertragungen

Info

Publication number
DE60221061D1
DE60221061D1 DE60221061T DE60221061T DE60221061D1 DE 60221061 D1 DE60221061 D1 DE 60221061D1 DE 60221061 T DE60221061 T DE 60221061T DE 60221061 T DE60221061 T DE 60221061T DE 60221061 D1 DE60221061 D1 DE 60221061D1
Authority
DE
Germany
Prior art keywords
modulation scheme
adaptive modulation
tdma transmissions
tdma
transmissions
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
DE60221061T
Other languages
English (en)
Other versions
DE60221061T2 (de
Inventor
Moon Sung Uk
Toshiyuki Futakata
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo 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
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of DE60221061D1 publication Critical patent/DE60221061D1/de
Application granted granted Critical
Publication of DE60221061T2 publication Critical patent/DE60221061T2/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
    • H04L1/0002—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
    • H04L1/0025—Transmission of mode-switching indication

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE60221061T 2001-03-26 2002-03-22 Adaptives Modulationsverfahren für TDMA-Übertragungen Expired - Lifetime DE60221061T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001088531 2001-03-26
JP2001088531A JP2002290362A (ja) 2001-03-26 2001-03-26 適応変調方法、無線制御装置、及び移動通信システム

Publications (2)

Publication Number Publication Date
DE60221061D1 true DE60221061D1 (de) 2007-08-23
DE60221061T2 DE60221061T2 (de) 2008-03-20

Family

ID=18943608

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60221061T Expired - Lifetime DE60221061T2 (de) 2001-03-26 2002-03-22 Adaptives Modulationsverfahren für TDMA-Übertragungen

Country Status (5)

Country Link
US (1) US7184448B2 (de)
EP (1) EP1248405B1 (de)
JP (1) JP2002290362A (de)
CN (1) CN1378354B (de)
DE (1) DE60221061T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE521746C2 (sv) * 2002-04-05 2003-12-02 Ericsson Telefon Ab L M Multimoduleringssändare
JP2004153466A (ja) * 2002-10-29 2004-05-27 Matsushita Electric Ind Co Ltd 受信方法、受信装置及び無線伝送システム
JP3524544B1 (ja) 2002-11-29 2004-05-10 沖電気工業株式会社 変調回路及び変調方法
JP4353774B2 (ja) * 2002-12-04 2009-10-28 パナソニック株式会社 データ送信方法とデータ受信方法およびそれらを用いた送信装置と受信装置
JP3796233B2 (ja) 2003-05-23 2006-07-12 三洋電機株式会社 伝送速度変更方法およびそれを利用した基地局装置
JP3877708B2 (ja) * 2003-05-23 2007-02-07 三洋電機株式会社 基地局装置、端末装置、通信システム
US7356341B2 (en) * 2003-12-04 2008-04-08 Qualcomm, Incorporated Scheduling communications in a wireless network
KR100569773B1 (ko) * 2003-12-22 2006-04-10 한국전자통신연구원 이동통신 시스템의 프레임 구성 장치 및 프레임 구성 방법
JP4073878B2 (ja) * 2004-02-25 2008-04-09 日本無線株式会社 データ伝送システムの下り回線領域のデータ伝送方法
JP4077800B2 (ja) * 2004-02-27 2008-04-23 日本電信電話株式会社 無線回線品質判定方法および無線アクセスシステム
JP4043445B2 (ja) * 2004-02-27 2008-02-06 日本電信電話株式会社 無線アクセスシステム
US7830833B2 (en) * 2004-05-04 2010-11-09 Qualcomm Incorporated Method and apparatus for ranking of media services and program packages
JP4524261B2 (ja) * 2006-02-27 2010-08-11 京セラ株式会社 通信装置及び通信装置の制御方法
JP4644619B2 (ja) * 2006-03-27 2011-03-02 富士通株式会社 基地局装置、端末および帯域制御方法
JP2007288708A (ja) * 2006-04-20 2007-11-01 Sony Corp 通信装置、伝送方式設定方法、プログラムおよび無線通信システム
US7693104B2 (en) * 2006-07-14 2010-04-06 M-Stack Limited Method and apparatus for reducing link interference by a link between a user equipment component and an access network component
US20080056192A1 (en) * 2006-08-31 2008-03-06 Piping Hot Networks Limited Latency reduction by adaptive packet fragmentation
US8098601B2 (en) 2007-03-23 2012-01-17 Research In Motion Limited Slow adaptation of modulation and coding for packet transmission
CN101400134B (zh) * 2007-09-26 2011-03-02 中兴通讯股份有限公司 一种降低资源指配开销的方法
JP5025436B2 (ja) * 2007-11-29 2012-09-12 京セラ株式会社 基地局および無線通信方法
JP5025437B2 (ja) * 2007-11-29 2012-09-12 京セラ株式会社 基地局および無線通信方法
JP5880111B2 (ja) * 2012-02-16 2016-03-08 住友電気工業株式会社 路側通信機及び情報送信方法
JP7178580B2 (ja) * 2017-08-23 2022-11-28 パナソニックＩｐマネジメント株式会社 通信システム、通信装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546383A (en) * 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
JPH07297862A (ja) 1994-04-22 1995-11-10 Toshiba Corp 伝送方法および受信装置
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
JP3240262B2 (ja) 1996-07-25 2001-12-17 株式会社日立国際電気 適応変調伝送方法とそのシステム
JPH11266256A (ja) 1998-03-17 1999-09-28 Sony Corp 無線通信方法及び無線通信システム
JP2000031944A (ja) 1998-07-07 2000-01-28 Matsushita Electric Ind Co Ltd 送信装置並びに受信装置及びデータ伝送方法
US6836515B1 (en) * 1998-07-24 2004-12-28 Hughes Electronics Corporation Multi-modulation radio communications
US6925068B1 (en) * 1999-05-21 2005-08-02 Wi-Lan, Inc. Method and apparatus for allocating bandwidth in a wireless communication system
EP1107530B1 (de) * 1999-12-07 2007-02-28 Motorola Semiconducteurs S.A. Rahmenformat für Radio Nachrichtenübertragungssystem
US6865393B1 (en) * 2000-03-03 2005-03-08 Motorola, Inc. Method and system for excess resource distribution in a communication system
US6873613B1 (en) * 2000-10-16 2005-03-29 Ericsson Inc. Methods for wirelessly communicating time division multiple access (TDMA) data using adaptive multiplexing and coding

Also Published As

Publication number Publication date
US20020136196A1 (en) 2002-09-26
CN1378354A (zh) 2002-11-06
US7184448B2 (en) 2007-02-27
EP1248405A1 (de) 2002-10-09
CN1378354B (zh) 2010-04-28
JP2002290362A (ja) 2002-10-04
EP1248405B1 (de) 2007-07-11
DE60221061T2 (de) 2008-03-20

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Legal Events

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