CA2405295A1 - Dispositif d'estimation de voie, recepteur amcr et emetteur/recepteur comprenant ledit dipositif - Google Patents

Dispositif d'estimation de voie, recepteur amcr et emetteur/recepteur comprenant ledit dipositif Download PDF

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Publication number
CA2405295A1
CA2405295A1 CA002405295A CA2405295A CA2405295A1 CA 2405295 A1 CA2405295 A1 CA 2405295A1 CA 002405295 A CA002405295 A CA 002405295A CA 2405295 A CA2405295 A CA 2405295A CA 2405295 A1 CA2405295 A1 CA 2405295A1
Authority
CA
Canada
Prior art keywords
channel estimation
estimation unit
symbols
pilot
cdma
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.)
Granted
Application number
CA002405295A
Other languages
English (en)
Other versions
CA2405295C (fr
Inventor
Sadayuki Abeta
Mamoru Sawahashi
Fumiyuki Adachi
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.)
NTT Docomo Inc
Original Assignee
Individual
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
Priority claimed from JP34960997A external-priority patent/JP3441638B2/ja
Application filed by Individual filed Critical Individual
Publication of CA2405295A1 publication Critical patent/CA2405295A1/fr
Application granted granted Critical
Publication of CA2405295C publication Critical patent/CA2405295C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • 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
    • 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
    • H04L25/0214—Channel estimation of impulse response of a single coefficient

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
CA002405295A 1997-12-18 1998-12-17 Dispositif d'estimation de voie, recepteur amcr et emetteur/recepteur comprenant ledit dipositif Expired - Fee Related CA2405295C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP34960997A JP3441638B2 (ja) 1997-12-18 1997-12-18 チャネル推定値を求める装置および方法
JP349609/1997 1997-12-18
CA 2281676 CA2281676C (fr) 1997-12-18 1998-12-17 Dispositif d'estimation de voie, recepteur amcr et emetteur/recepteur amcr comprenant ledit dispositif

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA 2281676 Division CA2281676C (fr) 1997-12-18 1998-12-17 Dispositif d'estimation de voie, recepteur amcr et emetteur/recepteur amcr comprenant ledit dispositif

Publications (2)

Publication Number Publication Date
CA2405295A1 true CA2405295A1 (fr) 1999-06-24
CA2405295C CA2405295C (fr) 2008-02-19

Family

ID=39106256

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002405295A Expired - Fee Related CA2405295C (fr) 1997-12-18 1998-12-17 Dispositif d'estimation de voie, recepteur amcr et emetteur/recepteur comprenant ledit dipositif

Country Status (1)

Country Link
CA (1) CA2405295C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9564932B1 (en) 2015-07-16 2017-02-07 LGS Innovations LLC Software defined radio front end

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9564932B1 (en) 2015-07-16 2017-02-07 LGS Innovations LLC Software defined radio front end
US9647705B2 (en) 2015-07-16 2017-05-09 LGS Innovations LLC Digital self-interference residual cancellation
US9660674B2 (en) 2015-07-16 2017-05-23 LGS Innovations LLC Self-interference cancellation antenna systems and methods
US9787460B2 (en) 2015-07-16 2017-10-10 LGS Innovations LLC Self-interference channel estimation system and method
US10090989B2 (en) 2015-07-16 2018-10-02 LGS Innovations LLC Software defined radio front end
US10164756B2 (en) 2015-07-16 2018-12-25 LGS Innovations LLC Self-interference cancellation antenna systems and methods
US10574428B2 (en) 2015-07-16 2020-02-25 LGS Innovations LLC Self-interference channel estimation system and method
US10594469B2 (en) 2015-07-16 2020-03-17 LGS Innovations LLC Secure radio methods and apparatus

Also Published As

Publication number Publication date
CA2405295C (fr) 2008-02-19

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Effective date: 20131217