ATE393495T1 - System und verfahren zur genauen vorhersage von signal-interferenz- und signal-rausch- verhältnisses um die leistung eines kommunikationssystem zu verbesseren - Google Patents

System und verfahren zur genauen vorhersage von signal-interferenz- und signal-rausch- verhältnisses um die leistung eines kommunikationssystem zu verbesseren

Info

Publication number
ATE393495T1
ATE393495T1 AT00961825T AT00961825T ATE393495T1 AT E393495 T1 ATE393495 T1 AT E393495T1 AT 00961825 T AT00961825 T AT 00961825T AT 00961825 T AT00961825 T AT 00961825T AT E393495 T1 ATE393495 T1 AT E393495T1
Authority
AT
Austria
Prior art keywords
signal
circuit
filters
estimates
sequence
Prior art date
Application number
AT00961825T
Other languages
English (en)
Inventor
Qiang Wu
Peter Black
Nagabhushana Sindhushayna
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE393495T1 publication Critical patent/ATE393495T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • 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
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
    • H04L1/002—Algorithms with memory of the previous states, e.g. Markovian models
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
    • H04L1/0021—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach in which the algorithm uses adaptive thresholds
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Probability & Statistics with Applications (AREA)
  • Artificial Intelligence (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Noise Elimination (AREA)
  • Dc Digital Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Near-Field Transmission Systems (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
AT00961825T 1999-09-13 2000-09-12 System und verfahren zur genauen vorhersage von signal-interferenz- und signal-rausch- verhältnisses um die leistung eines kommunikationssystem zu verbesseren ATE393495T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/394,980 US6426971B1 (en) 1999-09-13 1999-09-13 System and method for accurately predicting signal to interference and noise ratio to improve communications system performance

Publications (1)

Publication Number Publication Date
ATE393495T1 true ATE393495T1 (de) 2008-05-15

Family

ID=23561184

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00961825T ATE393495T1 (de) 1999-09-13 2000-09-12 System und verfahren zur genauen vorhersage von signal-interferenz- und signal-rausch- verhältnisses um die leistung eines kommunikationssystem zu verbesseren

Country Status (17)

Country Link
US (1) US6426971B1 (de)
EP (1) EP1212839B1 (de)
JP (1) JP4422379B2 (de)
KR (2) KR100807134B1 (de)
CN (1) CN1182658C (de)
AT (1) ATE393495T1 (de)
AU (1) AU776093B2 (de)
BR (1) BR0013863A (de)
CA (1) CA2382536C (de)
DE (1) DE60038685T2 (de)
HK (1) HK1047831B (de)
IL (1) IL148365A (de)
MX (1) MXPA02002701A (de)
NO (1) NO326386B1 (de)
RU (1) RU2255420C2 (de)
UA (1) UA74154C2 (de)
WO (1) WO2001020789A1 (de)

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Also Published As

Publication number Publication date
WO2001020789A1 (en) 2001-03-22
KR20020048407A (ko) 2002-06-22
UA74154C2 (uk) 2005-11-15
BR0013863A (pt) 2002-12-17
CN1377526A (zh) 2002-10-30
JP4422379B2 (ja) 2010-02-24
CA2382536C (en) 2010-08-03
CN1182658C (zh) 2004-12-29
DE60038685T2 (de) 2009-05-07
EP1212839B1 (de) 2008-04-23
HK1047831B (zh) 2005-07-29
EP1212839A1 (de) 2002-06-12
JP2003510863A (ja) 2003-03-18
MXPA02002701A (es) 2002-10-23
AU776093B2 (en) 2004-08-26
AU7372300A (en) 2001-04-17
US6426971B1 (en) 2002-07-30
CA2382536A1 (en) 2001-03-22
HK1047831A1 (en) 2003-03-07
IL148365A0 (en) 2002-09-12
DE60038685D1 (de) 2008-06-05
NO20021209D0 (no) 2002-03-12
KR20070062608A (ko) 2007-06-15
NO326386B1 (no) 2008-11-24
KR100837123B1 (ko) 2008-06-11
IL148365A (en) 2007-10-31
NO20021209L (no) 2002-05-08
KR100807134B1 (ko) 2008-02-27
RU2255420C2 (ru) 2005-06-27

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