BR0105443A - Método de adaptação de taxa de dados com base nas condições do canal em um sistema de comunicações sem fio - Google Patents

Método de adaptação de taxa de dados com base nas condições do canal em um sistema de comunicações sem fio

Info

Publication number
BR0105443A
BR0105443A BR0105443-0A BR0105443A BR0105443A BR 0105443 A BR0105443 A BR 0105443A BR 0105443 A BR0105443 A BR 0105443A BR 0105443 A BR0105443 A BR 0105443A
Authority
BR
Brazil
Prior art keywords
data rate
rate based
wireless communications
communications system
channel conditions
Prior art date
Application number
BR0105443-0A
Other languages
English (en)
Portuguese (pt)
Inventor
Arnab Das
Sanjiv Nanda
Farooq Ullah Khan
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of BR0105443A publication Critical patent/BR0105443A/pt

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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0016—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy involving special memory structures, e.g. look-up tables
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • 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
    • 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
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated codes
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • 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
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • 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
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
BR0105443-0A 2000-11-29 2001-11-23 Método de adaptação de taxa de dados com base nas condições do canal em um sistema de comunicações sem fio BR0105443A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/725,438 US7221648B2 (en) 2000-11-29 2000-11-29 Rate adaptation in a wireless communication system

Publications (1)

Publication Number Publication Date
BR0105443A true BR0105443A (pt) 2002-07-09

Family

ID=24914552

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0105443-0A BR0105443A (pt) 2000-11-29 2001-11-23 Método de adaptação de taxa de dados com base nas condições do canal em um sistema de comunicações sem fio

Country Status (8)

Country Link
US (1) US7221648B2 (enExample)
EP (1) EP1211838A1 (enExample)
JP (1) JP3955462B2 (enExample)
KR (1) KR20020042436A (enExample)
CN (1) CN100578990C (enExample)
AU (1) AU9344501A (enExample)
BR (1) BR0105443A (enExample)
CA (1) CA2360726A1 (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6468638B2 (en) * 1999-03-16 2002-10-22 Alien Technology Corporation Web process interconnect in electronic assemblies
US6937592B1 (en) 2000-09-01 2005-08-30 Intel Corporation Wireless communications system that supports multiple modes of operation
US6567387B1 (en) * 2000-11-07 2003-05-20 Intel Corporation System and method for data transmission from multiple wireless base transceiver stations to a subscriber unit
US6912199B1 (en) * 2000-12-28 2005-06-28 Advanced Micro Devices, Inc. Method to select transmission rate for network device
US20020136287A1 (en) * 2001-03-20 2002-09-26 Heath Robert W. Method, system and apparatus for displaying the quality of data transmissions in a wireless communication system
JP3892682B2 (ja) * 2001-06-18 2007-03-14 株式会社エヌ・ティ・ティ・ドコモ パケット伝送方法、基地局及び移動局
KR20030004978A (ko) 2001-07-07 2003-01-15 삼성전자 주식회사 이동 통신시스템에서 초기전송 및 재전송 방법
DE60115108T2 (de) * 2001-08-01 2006-07-27 Nokia Corp. Einrichtung und verfahren zur flusssteuerung basierend auf prioritäten in einem mobilen netzwerk
US7149254B2 (en) * 2001-09-06 2006-12-12 Intel Corporation Transmit signal preprocessing based on transmit antennae correlations for multiple antennae systems
US20030067890A1 (en) * 2001-10-10 2003-04-10 Sandesh Goel System and method for providing automatic re-transmission of wirelessly transmitted information
US7336719B2 (en) 2001-11-28 2008-02-26 Intel Corporation System and method for transmit diversity base upon transmission channel delay spread
US7012978B2 (en) * 2002-03-26 2006-03-14 Intel Corporation Robust multiple chain receiver
US7656899B2 (en) * 2003-11-06 2010-02-02 Interdigital Technology Corporation Access points with selective communication rate and scheduling control and related methods for wireless local area networks (WLANs)
US7652995B2 (en) * 2003-12-19 2010-01-26 International Business Machines Corporation Autonomic reassociation of clients in a wireless local area network
US20050227705A1 (en) * 2004-04-08 2005-10-13 Seppo Rousu Data communication method, telecommunication system and mobile device
CN100388822C (zh) * 2004-11-29 2008-05-14 中兴通讯股份有限公司 一种实现多种速率适配和码型变换的方法及其装置
US8225161B2 (en) 2004-12-29 2012-07-17 Intel Corporation Retransmissions of data using increased data rate
KR100969754B1 (ko) * 2005-01-13 2010-07-13 삼성전자주식회사 셀룰러 무선통신 시스템에서 방송 채널 전송 방법
US8825098B2 (en) * 2005-04-01 2014-09-02 Interdigital Technology Corporation Method and apparatus for providing multi-rate broadcast services
GB2441809A (en) * 2006-09-15 2008-03-19 Iti Scotland Ltd Setting a data rate in a data transmission link
EP2080290B1 (en) * 2006-10-16 2012-01-25 Nokia Corporation Method and apparatus for communicating protocol data unit in a radio access network
JP5539730B2 (ja) 2006-12-15 2014-07-02 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） ＵＴＲＡＮＨＳＤＰＡ無線ネットワークにおける改良型ＭＡＣ−ｄ多重化
US8532012B2 (en) 2007-12-07 2013-09-10 Industrial Technology Research Institute Methods and devices for scalable reception in wireless communication systems
US8145164B2 (en) * 2008-02-28 2012-03-27 Qualcomm Incorporated Methods and apparatus for handling a signaling message the relates to transmission rate restrictions
FR2977101A1 (fr) 2011-06-24 2012-12-28 France Telecom Retransmission de donnees perdues entre un emetteur et un recepteur
US8794517B1 (en) * 2013-08-07 2014-08-05 Square, Inc. Encoding data in multiple formats
USD905059S1 (en) 2018-07-25 2020-12-15 Square, Inc. Card reader device

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58219847A (ja) 1982-06-14 1983-12-21 Ricoh Co Ltd 再送要求機能付データ通信方式
GB8628821D0 (en) 1986-12-02 1987-01-07 Plessey Co Plc Data transmission systems
JP2865782B2 (ja) * 1990-03-16 1999-03-08 富士通株式会社 非同期伝送用ｃｏｄｅｃ装置
JPH06303282A (ja) * 1993-04-13 1994-10-28 Hitachi Ltd 情報伝送系における情報処理方式
JP2503888B2 (ja) * 1993-06-30 1996-06-05 日本電気株式会社 移動無線通信におけるデ―タ伝送方式
DE69531010T2 (de) 1994-03-18 2003-12-24 Fujitsu Ltd., Kawasaki Ansteuerungsschaltung eines optischen Modulators
US5490168A (en) * 1994-07-08 1996-02-06 Motorola, Inc. Method and system for automatic optimization of data throughput using variable packet length and code parameters
JPH0983600A (ja) 1995-09-14 1997-03-28 Kokusai Electric Co Ltd 多値適応変調無線装置
SE9600578L (sv) * 1996-02-16 1997-03-10 Ericsson Telefon Ab L M Metod och anordning för kanaltilldelning i ett radiokommunikationssystem
US5828677A (en) * 1996-03-20 1998-10-27 Lucent Technologies Inc. Adaptive hybrid ARQ coding schemes for slow fading channels in mobile radio systems
US5838267A (en) * 1996-10-09 1998-11-17 Ericsson, Inc. Method and apparatus for encoding and decoding digital information
US5914959A (en) * 1996-10-31 1999-06-22 Glenayre Electronics, Inc. Digital communications system having an automatically selectable transmission rate
US6208663B1 (en) * 1997-08-29 2001-03-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for block ARQ with reselection of FEC coding and/or modulation
US6574211B2 (en) * 1997-11-03 2003-06-03 Qualcomm Incorporated Method and apparatus for high rate packet data transmission
WO1999055112A1 (en) * 1998-04-17 1999-10-28 Matsushita Electric Industrial Co., Ltd. Radio communication device and method of controlling transmission rate
JPH11340956A (ja) * 1998-05-26 1999-12-10 Alps Electric Co Ltd データ送受信装置
US6212240B1 (en) * 1998-06-24 2001-04-03 Motorola, Inc. Method and apparatus for conveying data between communication devices
US6754189B1 (en) 1999-04-08 2004-06-22 Lucent Technologies Inc. Method of queue length based burst management in wireless communication systems
US6519731B1 (en) * 1999-10-22 2003-02-11 Ericsson Inc. Assuring sequence number availability in an adaptive hybrid-ARQ coding system
US6414938B1 (en) * 2000-02-14 2002-07-02 Motorola, Inc. Method and system for retransmitting data packets in a communication system having variable data rates
US6721834B2 (en) * 2001-02-09 2004-04-13 Lucent Technologies Inc. Rate adaptation in a wireless communication system

Also Published As

Publication number Publication date
JP3955462B2 (ja) 2007-08-08
JP2002198898A (ja) 2002-07-12
EP1211838A1 (en) 2002-06-05
CN1356801A (zh) 2002-07-03
KR20020042436A (ko) 2002-06-05
US20020097684A1 (en) 2002-07-25
AU9344501A (en) 2002-05-30
CN100578990C (zh) 2010-01-06
CA2360726A1 (en) 2002-05-29
US7221648B2 (en) 2007-05-22

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: H04L 1/00 (2006.01), H04L 1/08 (2006.01), H04L 1/1