ATE435552T1 - Kanalschätzer und verfahren zur kanalschätzung - Google Patents

Kanalschätzer und verfahren zur kanalschätzung

Info

Publication number
ATE435552T1
ATE435552T1 AT06101517T AT06101517T ATE435552T1 AT E435552 T1 ATE435552 T1 AT E435552T1 AT 06101517 T AT06101517 T AT 06101517T AT 06101517 T AT06101517 T AT 06101517T AT E435552 T1 ATE435552 T1 AT E435552T1
Authority
AT
Austria
Prior art keywords
channel
vector
values
channel coefficients
estimator
Prior art date
Application number
AT06101517T
Other languages
English (en)
Inventor
Elias Jonsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE435552T1 publication Critical patent/ATE435552T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0204Channel estimation of multiple channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/022Channel estimation of frequency response
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • H04L25/0228Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0236Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/024Channel estimation channel estimation algorithms
    • H04L25/0242Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0244Channel estimation channel estimation algorithms using matrix methods with inversion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0212Channel estimation of impulse response
    • H04L25/0216Channel estimation of impulse response with estimation of channel length

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT06101517T 2006-02-10 2006-02-10 Kanalschätzer und verfahren zur kanalschätzung ATE435552T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06101517A EP1819116B1 (de) 2006-02-10 2006-02-10 Kanalschätzer und Verfahren zur Kanalschätzung

Publications (1)

Publication Number Publication Date
ATE435552T1 true ATE435552T1 (de) 2009-07-15

Family

ID=36585974

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06101517T ATE435552T1 (de) 2006-02-10 2006-02-10 Kanalschätzer und verfahren zur kanalschätzung

Country Status (6)

Country Link
US (1) US8121231B2 (de)
EP (1) EP1819116B1 (de)
AT (1) ATE435552T1 (de)
DE (1) DE602006007536D1 (de)
TW (1) TW200737805A (de)
WO (1) WO2007090868A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9584350B1 (en) * 2009-08-14 2017-02-28 Liberty University Electronic jamming system and method
WO2012134319A1 (en) 2011-03-30 2012-10-04 Intel Corporation Frequency domain equalization for wireless communication
US9210012B2 (en) 2011-12-29 2015-12-08 Intel Corporation Frequency-domain turbo equalization, including multi-mode adaptive linear equalization, adaptive decision-directed channel estimation, adaptive noise variance estimation, and dynamic iteration control
WO2013115666A1 (en) 2012-01-30 2013-08-08 Intel Corporation Multi-mode frequency domain equalization with adaptation to varying channel conditions
US9614560B2 (en) 2012-03-30 2017-04-04 Intel Corporation Receiver with improved noise variance estimation
US9160581B2 (en) 2012-05-15 2015-10-13 Intel Corporation Receiver with Doppler tolerant equalization
CN105991491A (zh) * 2015-02-15 2016-10-05 中兴通讯股份有限公司 一种实现可见光无线通信的方法和装置
US10171151B1 (en) 2017-06-30 2019-01-01 Qualcomm Incorporated Throughput optimization by guard interval selection from beamforming feedback
US10805120B2 (en) * 2017-09-06 2020-10-13 Apple Inc. Adaptive frequency correlation estimation for channel estimation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2076099A1 (en) * 1991-09-03 1993-03-04 Howard Leroy Lester Automatic simulcast alignment
US6507602B1 (en) * 1999-01-07 2003-01-14 Ericsson, Inc. Smoothing receiver channel estimates using spectral estimation
US7027504B2 (en) * 2001-09-18 2006-04-11 Broadcom Corporation Fast computation of decision feedback equalizer coefficients
US7139336B2 (en) * 2002-04-05 2006-11-21 Nokia Corporation Method and system for channel estimation using iterative estimation and detection
JP4195000B2 (ja) 2002-05-23 2008-12-10 アンテルユニヴェルシテール・ミクロ−エレクトロニカ・サントリュム・ヴェー・ゼッド・ドゥブルヴェ Iqの不均衡を推定して補償するための方法及び装置
US7623596B2 (en) * 2003-06-27 2009-11-24 Ericsson, Inc. Methods and systems for estimating a channel response by applying bias to an initial channel estimate
US7327810B2 (en) * 2003-12-05 2008-02-05 Zenith Electronics Corporation Efficient conjugate gradient based channel estimator
US7551547B2 (en) * 2005-01-28 2009-06-23 At&T Intellectual Property I, L.P. Delay restricted channel estimation for multi-carrier systems
US7602855B2 (en) * 2005-04-01 2009-10-13 Interdigital Technology Corporation Method and apparatus for singular value decomposition of a channel matrix
US7817735B2 (en) * 2006-01-11 2010-10-19 Amicus Wireless Technology Ltd. Device and method of performing channel estimation for OFDM-based wireless communication system

Also Published As

Publication number Publication date
DE602006007536D1 (de) 2009-08-13
US8121231B2 (en) 2012-02-21
EP1819116A1 (de) 2007-08-15
TW200737805A (en) 2007-10-01
EP1819116B1 (de) 2009-07-01
WO2007090868A1 (en) 2007-08-16
US20090245338A1 (en) 2009-10-01

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