ATE468690T1 - Verfahren zur überbenutzung von frequenzen zur ermöglichung einer gleichzeitigen sendung von signalen von zwei oder mehr benutzern auf derselben frequenz und demselben zeitschlitz - Google Patents

Verfahren zur überbenutzung von frequenzen zur ermöglichung einer gleichzeitigen sendung von signalen von zwei oder mehr benutzern auf derselben frequenz und demselben zeitschlitz

Info

Publication number
ATE468690T1
ATE468690T1 AT01968544T AT01968544T ATE468690T1 AT E468690 T1 ATE468690 T1 AT E468690T1 AT 01968544 T AT01968544 T AT 01968544T AT 01968544 T AT01968544 T AT 01968544T AT E468690 T1 ATE468690 T1 AT E468690T1
Authority
AT
Austria
Prior art keywords
signals
users
overuse
frequencies
frequency
Prior art date
Application number
AT01968544T
Other languages
English (en)
Inventor
Rachel Learned
Joseph Su
Original Assignee
Bae Systems Information
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 Bae Systems Information filed Critical Bae Systems Information
Application granted granted Critical
Publication of ATE468690T1 publication Critical patent/ATE468690T1/de

Links

Classifications

    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/0048—Decoding adapted to other signal detection operation in conjunction with detection of multiuser or interfering signals, e.g. iteration between CDMA or MIMO detector and FEC decoder
    • 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques
    • H04L25/03229—Trellis search techniques with state-reduction using grouping of states
    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/0328—Arrangements for operating in conjunction with other apparatus with interference cancellation circuitry
    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/03292—Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03331—Arrangements for the joint estimation of multiple sequences
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques
    • H04L25/0321—Sorting arrangements therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
AT01968544T 2000-09-20 2001-09-05 Verfahren zur überbenutzung von frequenzen zur ermöglichung einer gleichzeitigen sendung von signalen von zwei oder mehr benutzern auf derselben frequenz und demselben zeitschlitz ATE468690T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US23387000P 2000-09-20 2000-09-20
US09/923,709 US7058422B2 (en) 2000-09-20 2001-08-07 Method for overusing frequencies to permit simultaneous transmission of signals from two or more users on the same frequency and time slot
PCT/US2001/027574 WO2002025820A2 (en) 2000-09-20 2001-09-05 Method for overusing frequencies to permit simultaneous transmission from two or more users

Publications (1)

Publication Number Publication Date
ATE468690T1 true ATE468690T1 (de) 2010-06-15

Family

ID=26927316

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01968544T ATE468690T1 (de) 2000-09-20 2001-09-05 Verfahren zur überbenutzung von frequenzen zur ermöglichung einer gleichzeitigen sendung von signalen von zwei oder mehr benutzern auf derselben frequenz und demselben zeitschlitz

Country Status (7)

Country Link
US (1) US7058422B2 (de)
EP (1) EP1332556B1 (de)
JP (1) JP5070368B2 (de)
AT (1) ATE468690T1 (de)
AU (1) AU8878601A (de)
DE (1) DE60142173D1 (de)
WO (1) WO2002025820A2 (de)

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Also Published As

Publication number Publication date
EP1332556A4 (de) 2009-04-08
EP1332556B1 (de) 2010-05-19
WO2002025820A3 (en) 2002-07-04
JP5070368B2 (ja) 2012-11-14
WO2002025820A2 (en) 2002-03-28
US20020037737A1 (en) 2002-03-28
AU8878601A (en) 2002-04-02
US7058422B2 (en) 2006-06-06
JP2004509552A (ja) 2004-03-25
DE60142173D1 (de) 2010-07-01
EP1332556A2 (de) 2003-08-06

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