GB2372181B - Method of coherent demodulation of radio signals - Google Patents

Method of coherent demodulation of radio signals

Info

Publication number
GB2372181B
GB2372181B GB0128346A GB0128346A GB2372181B GB 2372181 B GB2372181 B GB 2372181B GB 0128346 A GB0128346 A GB 0128346A GB 0128346 A GB0128346 A GB 0128346A GB 2372181 B GB2372181 B GB 2372181B
Authority
GB
United Kingdom
Prior art keywords
radio signals
coherent demodulation
coherent
demodulation
radio
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB0128346A
Other versions
GB2372181A (en
GB0128346D0 (en
Inventor
Frank Hofmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB0128346D0 publication Critical patent/GB0128346D0/en
Publication of GB2372181A publication Critical patent/GB2372181A/en
Application granted granted Critical
Publication of GB2372181B publication Critical patent/GB2372181B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the 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
    • H04L25/0202—Channel estimation
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between 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
    • 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)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
GB0128346A 2000-12-06 2001-11-27 Method of coherent demodulation of radio signals Expired - Fee Related GB2372181B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2000160569 DE10060569B4 (en) 2000-12-06 2000-12-06 Process for the coherent demodulation of radio signals

Publications (3)

Publication Number Publication Date
GB0128346D0 GB0128346D0 (en) 2002-01-16
GB2372181A GB2372181A (en) 2002-08-14
GB2372181B true GB2372181B (en) 2003-04-23

Family

ID=7665971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0128346A Expired - Fee Related GB2372181B (en) 2000-12-06 2001-11-27 Method of coherent demodulation of radio signals

Country Status (4)

Country Link
JP (1) JP2002208905A (en)
DE (1) DE10060569B4 (en)
FR (1) FR2817689B1 (en)
GB (1) GB2372181B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003098853A1 (en) * 2002-05-17 2003-11-27 Matsushita Electric Industrial Co., Ltd. Receiving device, receiving method, and device for measuring transmission channel characteristic
KR100532422B1 (en) * 2003-02-28 2005-11-30 삼성전자주식회사 Orthogonal Frequency Division Multiplexor transceiving unit of wireless Local Area Network system providing for long-distance communication by double symbol transmitting in several channels and transceiving method thereof
JP4314099B2 (en) * 2003-11-19 2009-08-12 パナソニック株式会社 OFDM receiver
DE102005044970A1 (en) 2005-09-20 2007-03-22 Robert Bosch Gmbh Method for transmitting and receiving information in a digital transmission system, and a receiving device and a transmission device for a digital transmission system
US7680218B2 (en) 2005-10-25 2010-03-16 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for communication channel estimation
US7899106B2 (en) * 2006-08-31 2011-03-01 Sony Ericsson Mobile Communications Ab Mitigating OFDM receiver interference caused by intermittent signal transmission

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2346520A (en) * 1998-11-09 2000-08-09 Wi Lan Inc Data recovery in an OFDM system exploiting pilot subcarriers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100224863B1 (en) * 1997-08-20 1999-10-15 윤종용 Equalizing method for ofdm receiver and equalizer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2346520A (en) * 1998-11-09 2000-08-09 Wi Lan Inc Data recovery in an OFDM system exploiting pilot subcarriers

Also Published As

Publication number Publication date
FR2817689A1 (en) 2002-06-07
GB2372181A (en) 2002-08-14
DE10060569A1 (en) 2002-06-27
GB0128346D0 (en) 2002-01-16
DE10060569B4 (en) 2004-05-27
JP2002208905A (en) 2002-07-26
FR2817689B1 (en) 2006-07-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20101127