NO326386B1 - Presis forhandsbestemmelse av signalnytteforholdet i et kommunikasjonssystem - Google Patents

Presis forhandsbestemmelse av signalnytteforholdet i et kommunikasjonssystem Download PDF

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Publication number
NO326386B1
NO326386B1 NO20021209A NO20021209A NO326386B1 NO 326386 B1 NO326386 B1 NO 326386B1 NO 20021209 A NO20021209 A NO 20021209A NO 20021209 A NO20021209 A NO 20021209A NO 326386 B1 NO326386 B1 NO 326386B1
Authority
NO
Norway
Prior art keywords
signal
noise ratio
interference
circuit
filter
Prior art date
Application number
NO20021209A
Other languages
English (en)
Norwegian (no)
Other versions
NO20021209D0 (no
NO20021209L (no
Inventor
Peter J Black
Qiang Wu
Nagabhushana T 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
Publication of NO20021209D0 publication Critical patent/NO20021209D0/no
Publication of NO20021209L publication Critical patent/NO20021209L/no
Publication of NO326386B1 publication Critical patent/NO326386B1/no

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)
NO20021209A 1999-09-13 2002-03-12 Presis forhandsbestemmelse av signalnytteforholdet i et kommunikasjonssystem NO326386B1 (no)

Applications Claiming Priority (2)

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
PCT/US2000/024955 WO2001020789A1 (fr) 1999-09-13 2000-09-12 Systeme et procede fiables de prevision du rapport signal/parasites et bruit, en vue d'ameliorer les performances d'un systeme de telecommunications

Publications (3)

Publication Number Publication Date
NO20021209D0 NO20021209D0 (no) 2002-03-12
NO20021209L NO20021209L (no) 2002-05-08
NO326386B1 true NO326386B1 (no) 2008-11-24

Family

ID=23561184

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20021209A NO326386B1 (no) 1999-09-13 2002-03-12 Presis forhandsbestemmelse av signalnytteforholdet i et kommunikasjonssystem

Country Status (17)

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

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Also Published As

Publication number Publication date
WO2001020789A1 (fr) 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 (fr) 2010-08-03
CN1182658C (zh) 2004-12-29
DE60038685T2 (de) 2009-05-07
ATE393495T1 (de) 2008-05-15
EP1212839B1 (fr) 2008-04-23
HK1047831B (zh) 2005-07-29
EP1212839A1 (fr) 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 (fr) 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
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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