GB2475801B - Estimating link qualities in multi-carrier systems - Google Patents

Estimating link qualities in multi-carrier systems

Info

Publication number
GB2475801B
GB2475801B GB1100276.3A GB201100276A GB2475801B GB 2475801 B GB2475801 B GB 2475801B GB 201100276 A GB201100276 A GB 201100276A GB 2475801 B GB2475801 B GB 2475801B
Authority
GB
United Kingdom
Prior art keywords
carrier systems
link qualities
estimating link
estimating
qualities
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.)
Active
Application number
GB1100276.3A
Other versions
GB201100276D0 (en
GB2475801A (en
Inventor
Alain Mourad
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to GB1100276.3A priority Critical patent/GB2475801B/en
Priority claimed from GB0818426.9A external-priority patent/GB2464289B/en
Publication of GB201100276D0 publication Critical patent/GB201100276D0/en
Publication of GB2475801A publication Critical patent/GB2475801A/en
Application granted granted Critical
Publication of GB2475801B publication Critical patent/GB2475801B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/373—Predicting channel quality or other radio frequency [RF] parameters
    • H04B17/0075—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
    • H04B17/0097—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3913—Predictive models, e.g. based on neural network models

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB1100276.3A 2008-10-08 2008-10-08 Estimating link qualities in multi-carrier systems Active GB2475801B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1100276.3A GB2475801B (en) 2008-10-08 2008-10-08 Estimating link qualities in multi-carrier systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1100276.3A GB2475801B (en) 2008-10-08 2008-10-08 Estimating link qualities in multi-carrier systems
GB0818426.9A GB2464289B (en) 2008-10-08 2008-10-08 Estimating link qualities in multi-carrier systems

Publications (3)

Publication Number Publication Date
GB201100276D0 GB201100276D0 (en) 2011-02-23
GB2475801A GB2475801A (en) 2011-06-01
GB2475801B true GB2475801B (en) 2012-01-18

Family

ID=43663949

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1100276.3A Active GB2475801B (en) 2008-10-08 2008-10-08 Estimating link qualities in multi-carrier systems

Country Status (1)

Country Link
GB (1) GB2475801B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2273377A1 (en) * 1998-06-03 1999-12-03 At&T Corp. Method and apparatus for channel estimation for multicarrier systems
WO2003034644A1 (en) * 2001-10-17 2003-04-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for mimo-ofdm systems
GB2415872A (en) * 2004-06-30 2006-01-04 Samsung Electronics Co Ltd Varying pilot patterns in Multicarrier Spread Spectrum communication
US20070258420A1 (en) * 2006-05-08 2007-11-08 Farshid Alizadeh-Shabdiz Estimation of speed of travel using the dynamic signal strength variation of multiple WLAN access points
DE102006057103A1 (en) * 2006-06-02 2007-12-06 Rohde & Schwarz Gmbh & Co. Kg Transmission channels estimating method for e.g. multiple-input-single-output orthogonal frequency-division multiplexing transmission system, involves compensating phase shifts in estimated values of respective transfer function
EP2288224A1 (en) * 2008-06-09 2011-02-23 Ntt Docomo, Inc. Reception device and radio quality calculation method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2273377A1 (en) * 1998-06-03 1999-12-03 At&T Corp. Method and apparatus for channel estimation for multicarrier systems
WO2003034644A1 (en) * 2001-10-17 2003-04-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for mimo-ofdm systems
GB2415872A (en) * 2004-06-30 2006-01-04 Samsung Electronics Co Ltd Varying pilot patterns in Multicarrier Spread Spectrum communication
US20070258420A1 (en) * 2006-05-08 2007-11-08 Farshid Alizadeh-Shabdiz Estimation of speed of travel using the dynamic signal strength variation of multiple WLAN access points
DE102006057103A1 (en) * 2006-06-02 2007-12-06 Rohde & Schwarz Gmbh & Co. Kg Transmission channels estimating method for e.g. multiple-input-single-output orthogonal frequency-division multiplexing transmission system, involves compensating phase shifts in estimated values of respective transfer function
EP2288224A1 (en) * 2008-06-09 2011-02-23 Ntt Docomo, Inc. Reception device and radio quality calculation method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
Hoeher, P.; "TCM on frequency-selective fading channels: a comparison of soft-output probabilistic equalizers", Proc of IEEE GLOBECOM'90, pp376-381, 2-5 Dec 1990 *
Park S Y & Kang C G, "Performance Analysis of Pilot Symbol Arrangement for OFDM System under Time-Varying Multi-Path Rayleigh Fading Channels", IEICE Trans Commun, Vol 84-B, No. 1, pp 36-45, 2001. *
Sandell M and Edfors O, "A comparative study of pilot based channel estimators for OFDM", Research Report, Lulea University of Technology, 1996. Downloaded from Google Scholar on 22 March 2011. *

Also Published As

Publication number Publication date
GB201100276D0 (en) 2011-02-23
GB2475801A (en) 2011-06-01

Similar Documents

Publication Publication Date Title
GB2464289B (en) Estimating link qualities in multi-carrier systems
AP3856A (en) Improvements in feedwells.
EP2248277A4 (en) Method for mode adaptation in mimo system
EP2359275A4 (en) Estimating influence
EP2286626A4 (en) Method and system using relays with aggregated spectrum
IL198278A0 (en) Energy-dissipation system
ZA201102972B (en) Improved double block and bleed
GB0806196D0 (en) Multi-range object location estimation
EP2342648A4 (en) Targeted network content
PL2131540T3 (en) New frame structure for multi-carrier systems
EP2248366A4 (en) Secure application signing
EP2274838A4 (en) Systems and methods for doppler shift compensation in ofdma communications
GB2466372B (en) Knife block
EP2368394A4 (en) Synchronization indication in networks
GB0820999D0 (en) Pregnancy testing
HK1220315A1 (en) Cqi operation in multicarrier wireless systems cqi
EP2269273A4 (en) Contact-making arrangement, unit and method
GB2462518B (en) In-line testing
PL2273037T3 (en) Connection profile, in particular reveal connection profile
PL2179930T3 (en) Portioning line
HK1156412A1 (en) Specification modification estimation method and specification modification estimation system
IL209173A0 (en) Multicarrier communication system
GB2475801B (en) Estimating link qualities in multi-carrier systems
GB2469787B (en) Slot car
AU324409S (en) Knife block

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190718 AND 20190724