DE60214847D1 - Verfahren und vorrichtung für schätzung des signal-zu-rausch-verhältnisses eines drahtlosen kanals - Google Patents

Verfahren und vorrichtung für schätzung des signal-zu-rausch-verhältnisses eines drahtlosen kanals

Info

Publication number
DE60214847D1
DE60214847D1 DE60214847T DE60214847T DE60214847D1 DE 60214847 D1 DE60214847 D1 DE 60214847D1 DE 60214847 T DE60214847 T DE 60214847T DE 60214847 T DE60214847 T DE 60214847T DE 60214847 D1 DE60214847 D1 DE 60214847D1
Authority
DE
Germany
Prior art keywords
sinr
adaptive equalizer
wireless channel
frame
estimating
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 - Lifetime
Application number
DE60214847T
Other languages
English (en)
Other versions
DE60214847T2 (de
Inventor
Jesus Corbaton
E Smee
Srikant Jayaraman
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.)
Qualcomm Inc
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 DE60214847D1 publication Critical patent/DE60214847D1/de
Publication of DE60214847T2 publication Critical patent/DE60214847T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • 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
    • H04L1/0023—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
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE60214847T 2001-06-04 2002-05-31 Verfahren und vorrichtung für schätzung des signal-zu-rausch-verhältnisses eines drahtlosen kanals Expired - Lifetime DE60214847T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/873,892 US7106792B2 (en) 2001-06-04 2001-06-04 Method and apparatus for estimating the signal to interference-plus-noise ratio of a wireless channel
US873892 2001-06-04
PCT/US2002/017038 WO2002100033A1 (en) 2001-06-04 2002-05-31 Method and apparatus for estimating the signal to interference ratio of a wireless channel

Publications (2)

Publication Number Publication Date
DE60214847D1 true DE60214847D1 (de) 2006-11-02
DE60214847T2 DE60214847T2 (de) 2007-10-04

Family

ID=25362538

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60214847T Expired - Lifetime DE60214847T2 (de) 2001-06-04 2002-05-31 Verfahren und vorrichtung für schätzung des signal-zu-rausch-verhältnisses eines drahtlosen kanals

Country Status (10)

Country Link
US (1) US7106792B2 (de)
EP (1) EP1393490B1 (de)
JP (1) JP4152878B2 (de)
KR (1) KR100892898B1 (de)
CN (1) CN1522513A (de)
AT (1) ATE340450T1 (de)
BR (1) BR0210132A (de)
DE (1) DE60214847T2 (de)
TW (1) TW576029B (de)
WO (1) WO2002100033A1 (de)

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US7773950B2 (en) 2004-06-16 2010-08-10 Telefonaktiebolaget Lm Ericsson (Publ) Benign interference suppression for received signal quality estimation
US7532664B2 (en) * 2004-08-02 2009-05-12 Nokia Corporation Method and apparatus to estimate signal to interference plus noise ratio (SINR) in a multiple antenna receiver
KR100849330B1 (ko) * 2004-09-02 2008-07-29 삼성전자주식회사 무선 통신 시스템에서 적응 송수신 장치 및 방법
US7809336B2 (en) 2005-03-07 2010-10-05 Qualcomm Incorporated Rate selection for a quasi-orthogonal communication system
US7826516B2 (en) 2005-11-15 2010-11-02 Rambus Inc. Iterative interference canceller for wireless multiple-access systems with multiple receive antennas
US7711033B2 (en) * 2005-04-14 2010-05-04 Telefonaktiebolaget Lm Ericsson (Publ) SIR prediction method and apparatus
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US8098723B2 (en) * 2006-01-12 2012-01-17 Agere Systems Inc. Receiver employing non-pilot reference channels for equalizing a received signal
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US8688049B2 (en) * 2006-10-05 2014-04-01 Telefonaktiebolaget L M Ericsson (Publ) Method for predicting channel quality indicator (CQI) values
US20080084829A1 (en) * 2006-10-05 2008-04-10 Nokia Corporation Apparatus, method and computer program product providing link adaptation
US7979032B2 (en) * 2007-12-18 2011-07-12 Intel Corporation Estimating statistical properties of noise in modulated data carrier signals
US8098767B2 (en) 2007-12-20 2012-01-17 Qualcomm Incorporated Receiver adjustment between pilot bursts
US8238499B2 (en) * 2008-08-29 2012-08-07 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for low-complexity interference cancellation in communication signal processing
EP2413553A4 (de) * 2009-11-09 2012-12-26 Huawei Tech Co Ltd Verfahren, vorrichtung und system zur korrektur von mikrowellensignalen
CN102244878B (zh) * 2010-05-11 2014-11-05 中兴通讯股份有限公司 一种测量信干噪比的方法及终端
US8621308B2 (en) * 2010-06-30 2013-12-31 Alcatel Lucent HARQ operating point adaptation in communications
US8737247B1 (en) 2010-10-08 2014-05-27 Marvell International Ltd. Data channel noise estimation using pilot channel
US8982866B1 (en) * 2010-10-08 2015-03-17 Marvell International Ltd. Data channel noise estimation using control channel
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Also Published As

Publication number Publication date
CN1522513A (zh) 2004-08-18
DE60214847T2 (de) 2007-10-04
BR0210132A (pt) 2006-10-10
EP1393490A1 (de) 2004-03-03
JP4152878B2 (ja) 2008-09-17
US20020186761A1 (en) 2002-12-12
JP2005516429A (ja) 2005-06-02
US7106792B2 (en) 2006-09-12
WO2002100033A1 (en) 2002-12-12
KR100892898B1 (ko) 2009-04-15
KR20040003049A (ko) 2004-01-07
EP1393490B1 (de) 2006-09-20
ATE340450T1 (de) 2006-10-15
TW576029B (en) 2004-02-11

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: CORBATON, IVAN JESUS, SAN DIEGO, CALIF., US

Inventor name: SMEE, JOHN E., SAN DIEGO, CALIF., US

Inventor name: JAYARAMAN, SRIKANT, SAN DIEGO, CALIF., US

8364 No opposition during term of opposition