FI19992691A - Method and receiver for iteratively improving the channel estimate - Google Patents

Method and receiver for iteratively improving the channel estimate

Info

Publication number
FI19992691A
FI19992691A FI992691A FI19992691A FI19992691A FI 19992691 A FI19992691 A FI 19992691A FI 992691 A FI992691 A FI 992691A FI 19992691 A FI19992691 A FI 19992691A FI 19992691 A FI19992691 A FI 19992691A
Authority
FI
Finland
Prior art keywords
receiver
channel estimate
iteratively improving
iteratively
improving
Prior art date
Application number
FI992691A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI113721B (en
Inventor
Markku Pukkila
Nikolai Nefedov
Original Assignee
Nokia Mobile Phones Ltd
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 Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI992691A priority Critical patent/FI113721B/en
Priority to EP00987508A priority patent/EP1238475A1/en
Priority to CNB008190119A priority patent/CN1196275C/en
Priority to PCT/FI2000/001088 priority patent/WO2001045296A1/en
Priority to AU23759/01A priority patent/AU2375901A/en
Priority to US09/737,093 priority patent/US6996194B2/en
Publication of FI19992691A publication Critical patent/FI19992691A/en
Application granted granted Critical
Publication of FI113721B publication Critical patent/FI113721B/en

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
    • H04L25/0212—Channel estimation of impulse 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
FI992691A 1999-12-15 1999-12-15 Method and receiver for iteratively improving the channel estimate FI113721B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI992691A FI113721B (en) 1999-12-15 1999-12-15 Method and receiver for iteratively improving the channel estimate
EP00987508A EP1238475A1 (en) 1999-12-15 2000-12-13 Method and arrangement for iteratively improving a channel estimate
CNB008190119A CN1196275C (en) 1999-12-15 2000-12-13 Method and arrangement for iteratively improving a channel estimate
PCT/FI2000/001088 WO2001045296A1 (en) 1999-12-15 2000-12-13 Method and arrangement for iteratively improving a channel estimate
AU23759/01A AU2375901A (en) 1999-12-15 2000-12-13 Method and arrangement for iteratively improving a channel estimate
US09/737,093 US6996194B2 (en) 1999-12-15 2000-12-14 Method and arrangement for iteratively improving a channel estimate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI992691A FI113721B (en) 1999-12-15 1999-12-15 Method and receiver for iteratively improving the channel estimate
FI992691 1999-12-15

Publications (2)

Publication Number Publication Date
FI19992691A true FI19992691A (en) 2001-06-16
FI113721B FI113721B (en) 2004-05-31

Family

ID=8555751

Family Applications (1)

Application Number Title Priority Date Filing Date
FI992691A FI113721B (en) 1999-12-15 1999-12-15 Method and receiver for iteratively improving the channel estimate

Country Status (6)

Country Link
US (1) US6996194B2 (en)
EP (1) EP1238475A1 (en)
CN (1) CN1196275C (en)
AU (1) AU2375901A (en)
FI (1) FI113721B (en)
WO (1) WO2001045296A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113748626A (en) * 2019-04-29 2021-12-03 诺基亚技术有限公司 Iterative detection in a communication system

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6963618B2 (en) * 2000-04-18 2005-11-08 Zenith Electronics Corporation Enhanced slice prediction feedback
US7120213B2 (en) * 2000-10-27 2006-10-10 Texas Instruments Incorporated Using SISO decoder feedback to produce symbol probabilities for use in wireless communications that utilize single encoder turbo coding and transmit diversity
US6937648B2 (en) * 2001-04-03 2005-08-30 Yitran Communications Ltd Equalizer for communication over noisy channels
US7224942B2 (en) * 2001-07-26 2007-05-29 Telefonaktiebolaget Lm Ericsson (Publ) Communications system employing non-polluting pilot codes
EP1284562A1 (en) 2001-08-16 2003-02-19 Alcatel Method, receiver and receiver station for compensating a received signal
US7092436B2 (en) * 2002-01-25 2006-08-15 Mitsubishi Electric Research Laboratories, Inc. Expectation-maximization-based channel estimation and signal detection for wireless communications systems
JP2003249918A (en) * 2002-02-25 2003-09-05 Matsushita Electric Ind Co Ltd Receiver and receiving method
AU2003903826A0 (en) * 2003-07-24 2003-08-07 University Of South Australia An ofdm receiver structure
GB2392066B (en) 2002-08-16 2005-11-09 Toshiba Res Europ Ltd Equaliser apparatus and methods
US20040165683A1 (en) * 2002-09-04 2004-08-26 Gupta Alok Kumar Channel estimation for communication systems
GB0227626D0 (en) * 2002-11-27 2003-01-08 Koninkl Philips Electronics Nv Low complexity equalizer for radio receiver
CN100492949C (en) * 2003-01-21 2009-05-27 大唐移动通信设备有限公司 Method for estimating channel containing multiple code sets in time slot CDMA system
US7237181B2 (en) * 2003-12-22 2007-06-26 Qualcomm Incorporated Methods and apparatus for reducing error floors in message passing decoders
ATE376310T1 (en) * 2004-01-30 2007-11-15 Alcatel Lucent METHOD AND RECEIVER FOR OPTICAL OR ELECTROMAGNETIC SIGNALS WITH ITERATIVE EQUALIZATION AND ERROR CORRECTION
US7565111B2 (en) * 2004-02-26 2009-07-21 Texas Instruments Incorporated Single-antenna interference cancellation receiver in time slot communication system
US7421041B2 (en) * 2004-03-01 2008-09-02 Qualcomm, Incorporated Iterative channel and interference estimation and decoding
US7502412B2 (en) * 2004-05-20 2009-03-10 Qisda Corporation Adaptive channel estimation using decision feedback
US7376192B2 (en) * 2004-07-22 2008-05-20 Telefonaktiebolaget L M Ericsson (Publ) Delta modulation for channel feedback in transmit diversity wireless communication systems
TWI258956B (en) * 2004-09-17 2006-07-21 Benq Corp Method of channel estimation
US20060150055A1 (en) * 2005-01-06 2006-07-06 Terayon Communication Systems, Inc. Adaptive information delivery system using FEC feedback
US8761312B2 (en) 2005-02-11 2014-06-24 Qualcomm Incorporated Selection of a thresholding parameter for channel estimation
EP1849312B1 (en) * 2005-02-14 2015-01-21 ViaSat, Inc. Iterative diversity reception
US20060195765A1 (en) * 2005-02-28 2006-08-31 Texas Instruments Incorporated Accelerating convergence in an iterative decoder
JP4781116B2 (en) * 2005-06-30 2011-09-28 三洋電機株式会社 Wireless device
US7778320B2 (en) * 2005-10-03 2010-08-17 Clariphy Communications, Inc. Multi-channel equalization to compensate for impairments introduced by interleaved devices
US8831074B2 (en) 2005-10-03 2014-09-09 Clariphy Communications, Inc. High-speed receiver architecture
US8483343B2 (en) * 2005-10-03 2013-07-09 Clariphy Communications, Inc. High-speed receiver architecture
US8139630B2 (en) * 2005-10-03 2012-03-20 Clariphy Communications, Inc. High-speed receiver architecture
FI20055715A0 (en) * 2005-12-30 2005-12-30 Nokia Corp Turboekvaliseringsförfarande
EP1830529B1 (en) * 2006-03-02 2008-10-15 NTT DoCoMo Inc. Channel estimator, method and computer program for obtaining a processed channel estimate
CN101047678B (en) * 2006-04-14 2011-03-30 华为技术有限公司 Channel estimating method and device for orthogonal frequency division multiplex system
JP5046317B2 (en) * 2006-04-27 2012-10-10 住友電気工業株式会社 Receiver, transmitter, transmission system, and transmission method
SG141259A1 (en) * 2006-09-12 2008-04-28 Oki Techno Ct Singapore Pte Apparatus and method for receiving digital video signals
US8024644B2 (en) * 2006-11-14 2011-09-20 Via Telecom Co., Ltd. Communication signal decoding
KR100888502B1 (en) * 2006-12-05 2009-03-12 한국전자통신연구원 Iterative receiver and method for detecting transmitted signal thereof
WO2008099342A1 (en) * 2007-02-12 2008-08-21 Nokia Corporation Shared control channel data-assisted channel estimation
US7764747B2 (en) 2007-03-30 2010-07-27 Olympus Corporation Methods and systems for transmitting and processing pilot signals
KR101276851B1 (en) 2007-04-06 2013-06-18 엘지전자 주식회사 Apparatus and Method for transmitting Digital broadcasting signal
US7860157B2 (en) * 2007-10-22 2010-12-28 Legend Silicon Corp. Mobile receiver equalizer structure for use in the ATSC standard
CN101202564B (en) * 2007-11-28 2010-12-08 中国海洋石油总公司 Channel initialization method
JP2009188640A (en) * 2008-02-05 2009-08-20 Sharp Corp Execution determining apparatus, receiver, radio communication system, and execution determining method
US8171384B2 (en) * 2008-06-27 2012-05-01 Freescale Semiconductor, Inc. Device having turbo decoding capabilities and a method for turbo decoding
US8778614B2 (en) 2010-08-24 2014-07-15 Enzo Life Sciences, Inc. Assays for detecting modified compounds
CN102664851B (en) * 2012-04-16 2014-11-05 哈尔滨工程大学 Multichannel-transceived orthogonal multicarrier channel estimating method based on punching technology
US9191256B2 (en) 2012-12-03 2015-11-17 Digital PowerRadio, LLC Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems
US9270493B2 (en) 2014-02-26 2016-02-23 Telefonaktiebolaget L M Ericsson (Publ) Scalable estimation ring
CN105610517B (en) * 2014-11-14 2018-05-08 中兴通讯股份有限公司 The iteration post-equalization of coherent optical heterodyne communicatio
US9992046B2 (en) * 2016-01-29 2018-06-05 Lilee Systems, Ltd Method and apparatus of iterative channel tracking for MIMO-OFDM system
CN110635827B (en) * 2018-06-22 2021-06-01 华为技术有限公司 Channel estimation method, device and communication system
WO2020015840A1 (en) * 2018-07-20 2020-01-23 Nokia Technologies Oy Learning in communication systems by updating of parameters in a receiving algorithm
CN109274423B (en) * 2018-10-22 2020-03-17 南京邮电大学 Mobile visible light communication channel equalization method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2679721B1 (en) * 1991-07-22 1993-09-24 Alcatel Radiotelephone ADAPTIVE EQUALIZATION METHOD REDUCING INTERSYMBOL INTERFERENCE, AND CORRESPONDING RECEIVING DEVICE AND APPLICATION.
FI962140A (en) * 1996-05-21 1997-11-22 Nokia Telecommunications Oy Method for estimating impulse response and receiver
BR9901493A (en) * 1998-04-30 2000-01-11 Lucent Technologies Inc Iterative channel evaluation.
EP0954144B1 (en) * 1998-04-30 2006-06-28 Lucent Technologies Inc. Channel estimation using soft-decision feedback
EP1142153A1 (en) * 1998-10-26 2001-10-10 Nokia Corporation Channel estimation in a cellular communication system
EP0998087A1 (en) * 1998-10-30 2000-05-03 Lucent Technologies Inc. Multilevel transmission system and method with adaptive mapping
US6665357B1 (en) * 1999-01-22 2003-12-16 Sharp Laboratories Of America, Inc. Soft-output turbo code decoder and optimized decoding method
US6304995B1 (en) * 1999-01-26 2001-10-16 Trw Inc. Pipelined architecture to decode parallel and serial concatenated codes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113748626A (en) * 2019-04-29 2021-12-03 诺基亚技术有限公司 Iterative detection in a communication system

Also Published As

Publication number Publication date
CN1196275C (en) 2005-04-06
AU2375901A (en) 2001-06-25
FI113721B (en) 2004-05-31
EP1238475A1 (en) 2002-09-11
US6996194B2 (en) 2006-02-07
CN1435014A (en) 2003-08-06
WO2001045296A1 (en) 2001-06-21
US20010004390A1 (en) 2001-06-21

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