ZA200402014B - Communicating data using wideband communications. - Google Patents

Communicating data using wideband communications. Download PDF

Info

Publication number
ZA200402014B
ZA200402014B ZA200402014A ZA200402014A ZA200402014B ZA 200402014 B ZA200402014 B ZA 200402014B ZA 200402014 A ZA200402014 A ZA 200402014A ZA 200402014 A ZA200402014 A ZA 200402014A ZA 200402014 B ZA200402014 B ZA 200402014B
Authority
ZA
South Africa
Prior art keywords
frequency
filter
subchannels
noise
function
Prior art date
Application number
ZA200402014A
Other languages
English (en)
Inventor
Michael B Propp
Khaled Saab
Original Assignee
Adaptive Networks Inc
New Visual Corp
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 Adaptive Networks Inc, New Visual Corp filed Critical Adaptive Networks Inc
Publication of ZA200402014B publication Critical patent/ZA200402014B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/28—Systems using multi-frequency codes with simultaneous transmission of different frequencies each representing one code element
    • 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
    • H04L1/0009—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
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03445—Time domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03522—Frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
ZA200402014A 2001-08-31 2004-03-12 Communicating data using wideband communications. ZA200402014B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31595001P 2001-08-31 2001-08-31

Publications (1)

Publication Number Publication Date
ZA200402014B true ZA200402014B (en) 2005-05-11

Family

ID=23226800

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200402014A ZA200402014B (en) 2001-08-31 2004-03-12 Communicating data using wideband communications.

Country Status (9)

Country Link
US (3) US7542513B2 (fr)
EP (2) EP1430678A4 (fr)
JP (1) JP2005531163A (fr)
KR (1) KR20040066789A (fr)
AU (1) AU2002339858A1 (fr)
CA (1) CA2496402A1 (fr)
SG (2) SG167663A1 (fr)
WO (2) WO2003021846A2 (fr)
ZA (1) ZA200402014B (fr)

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JP4415777B2 (ja) * 2004-07-07 2010-02-17 株式会社日立製作所 マルチキャリア通信における適応変調方法
US7346356B2 (en) * 2004-07-07 2008-03-18 Motorola, Inc. Method and communication unit for use in a wideband wireless communications system
KR100965699B1 (ko) 2005-03-25 2010-06-24 삼성전자주식회사 이동 통신 시스템에서 부채널 신호 송수신 장치 및 송신 방법과 주파수 자원 할당 방법
JP2006295479A (ja) * 2005-04-08 2006-10-26 Matsushita Electric Ind Co Ltd 電力線通信装置及び電力線通信方法
WO2007002772A1 (fr) * 2005-06-28 2007-01-04 Worcester Polytechnic Institute Appareil et procedes pour communication adressable mettant en oeuvre des radios a frequences vocales
WO2007055399A1 (fr) * 2005-11-10 2007-05-18 Matsushita Electric Industrial Co., Ltd. Procede et appareil pour courants porteurs en ligne
US8259707B2 (en) * 2006-10-17 2012-09-04 Generonix, Inc. Wireless access point network system supported through existing transmission lines
JP5128234B2 (ja) * 2007-10-25 2013-01-23 パナソニック株式会社 通信装置、及び通信システム
US8792640B2 (en) * 2008-01-29 2014-07-29 Sony Corporation Systems and methods for securing a digital communications link
WO2011154024A1 (fr) * 2010-06-12 2011-12-15 Mingoa Limited Amélioration de la précision d'accords sur les niveaux de service dans des réseaux ethernet
US20120027062A1 (en) * 2010-07-28 2012-02-02 Battelle Energy Alliance, Llc Apparatuses and methods for setting an adaptive frequency band for power line communciation
JP2012109943A (ja) * 2010-10-27 2012-06-07 Kyoto Univ 電力線通信システム
US8934372B2 (en) * 2012-04-04 2015-01-13 Broadcom Corporation System and method for next generation BASE-T communication
US9094339B2 (en) 2012-04-30 2015-07-28 Cisco Technology, Inc. Computer system communication channel diagnostics
EP2736242B1 (fr) * 2012-11-22 2019-03-06 Lantiq Beteiligungs-GmbH & Co.KG Optimisation de consommation d'énergie dans un système de communication
EP3607662A4 (fr) * 2017-03-20 2021-01-06 Hyphy USA, Inc. Interfaces multimédias incorporant une compression adaptative
US10700810B2 (en) * 2018-09-05 2020-06-30 Nxp B.V. Physical layer device and method for performing physical layer operations in a communications network

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Also Published As

Publication number Publication date
WO2003021846A2 (fr) 2003-03-13
EP1430678A2 (fr) 2004-06-23
US8014442B2 (en) 2011-09-06
US20050063479A1 (en) 2005-03-24
KR20040066789A (ko) 2004-07-27
US20090238295A1 (en) 2009-09-24
SG182848A1 (en) 2012-08-30
US20110176664A1 (en) 2011-07-21
EP1430679B1 (fr) 2020-04-08
WO2003021845A8 (fr) 2004-06-17
SG167663A1 (en) 2011-01-28
CA2496402A1 (fr) 2003-03-13
WO2003021845A3 (fr) 2003-10-30
EP1430678A4 (fr) 2008-09-03
EP1430679A4 (fr) 2008-09-03
WO2003021845A2 (fr) 2003-03-13
JP2005531163A (ja) 2005-10-13
EP1430679A2 (fr) 2004-06-23
AU2002339858A1 (en) 2003-03-18
US8040966B2 (en) 2011-10-18
WO2003021846A3 (fr) 2003-08-14
US7542513B2 (en) 2009-06-02

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