ATE405053T1 - Schätzung von zwei ofdm-übertragungskanälen - Google Patents

Schätzung von zwei ofdm-übertragungskanälen

Info

Publication number
ATE405053T1
ATE405053T1 AT00986400T AT00986400T ATE405053T1 AT E405053 T1 ATE405053 T1 AT E405053T1 AT 00986400 T AT00986400 T AT 00986400T AT 00986400 T AT00986400 T AT 00986400T AT E405053 T1 ATE405053 T1 AT E405053T1
Authority
AT
Austria
Prior art keywords
estimation
channel
transmission channels
training symbols
ofdm transmission
Prior art date
Application number
AT00986400T
Other languages
English (en)
Inventor
Juha Heiskala
Original Assignee
Nokia Corp
Nokia 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 Nokia Corp, Nokia Inc filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE405053T1 publication Critical patent/ATE405053T1/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
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/022—Channel estimation of frequency response
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • 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
    • H04L2025/03592—Adaptation methods
    • H04L2025/03598—Algorithms
    • H04L2025/03611—Iterative algorithms
    • H04L2025/03617—Time recursive algorithms
    • H04L2025/03624—Zero-forcing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Color Television Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT00986400T 1999-12-21 2000-12-15 Schätzung von zwei ofdm-übertragungskanälen ATE405053T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/468,313 US6298035B1 (en) 1999-12-21 1999-12-21 Estimation of two propagation channels in OFDM

Publications (1)

Publication Number Publication Date
ATE405053T1 true ATE405053T1 (de) 2008-08-15

Family

ID=23859301

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00986400T ATE405053T1 (de) 1999-12-21 2000-12-15 Schätzung von zwei ofdm-übertragungskanälen

Country Status (9)

Country Link
US (1) US6298035B1 (de)
EP (1) EP1243094B1 (de)
JP (1) JP4746809B2 (de)
KR (1) KR100768052B1 (de)
AT (1) ATE405053T1 (de)
DE (1) DE60039912D1 (de)
ES (1) ES2307547T3 (de)
HK (1) HK1048905B (de)
WO (1) WO2001047167A1 (de)

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Also Published As

Publication number Publication date
KR20020079756A (ko) 2002-10-19
JP4746809B2 (ja) 2011-08-10
EP1243094A1 (de) 2002-09-25
ES2307547T3 (es) 2008-12-01
HK1048905B (en) 2009-04-03
HK1048905A1 (en) 2003-04-17
EP1243094A4 (de) 2006-11-29
DE60039912D1 (de) 2008-09-25
US6298035B1 (en) 2001-10-02
KR100768052B1 (ko) 2007-10-18
WO2001047167A1 (en) 2001-06-28
JP2003518818A (ja) 2003-06-10
EP1243094B1 (de) 2008-08-13

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