ATE497287T1 - Schätzung eines signal-zu-interferenz- verhältnisses bei einem empfänger eines drahtlosen kommunikationssystems - Google Patents

Schätzung eines signal-zu-interferenz- verhältnisses bei einem empfänger eines drahtlosen kommunikationssystems

Info

Publication number
ATE497287T1
ATE497287T1 AT07388062T AT07388062T ATE497287T1 AT E497287 T1 ATE497287 T1 AT E497287T1 AT 07388062 T AT07388062 T AT 07388062T AT 07388062 T AT07388062 T AT 07388062T AT E497287 T1 ATE497287 T1 AT E497287T1
Authority
AT
Austria
Prior art keywords
signal
interference ratio
group
covariance
receiver
Prior art date
Application number
AT07388062T
Other languages
English (en)
Inventor
Bengt Lindoff
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE497287T1 publication Critical patent/ATE497287T1/de

Links

Classifications

    • 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
    • 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
    • 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
    • H04L25/022—Channel estimation of frequency response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • H04J11/0093—Neighbour cell search
    • 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
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
AT07388062T 2007-08-30 2007-08-30 Schätzung eines signal-zu-interferenz- verhältnisses bei einem empfänger eines drahtlosen kommunikationssystems ATE497287T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07388062A EP2031790B1 (de) 2007-08-30 2007-08-30 Schätzung eines Signal-zu-Interferenz-Verhältnisses bei einem Empfänger eines drahtlosen Kommunikationssystems

Publications (1)

Publication Number Publication Date
ATE497287T1 true ATE497287T1 (de) 2011-02-15

Family

ID=39273350

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07388062T ATE497287T1 (de) 2007-08-30 2007-08-30 Schätzung eines signal-zu-interferenz- verhältnisses bei einem empfänger eines drahtlosen kommunikationssystems

Country Status (6)

Country Link
US (1) US8149968B2 (de)
EP (1) EP2031790B1 (de)
CN (1) CN101843028A (de)
AT (1) ATE497287T1 (de)
DE (1) DE602007012243D1 (de)
WO (1) WO2009027261A2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0724423D0 (en) * 2007-12-14 2008-01-30 Icera Inc Estimating signal to interference ratio in a wireless communications receiver
US8638745B2 (en) * 2009-05-15 2014-01-28 Telefonaktiebolaget L M Ericsson (Publ) Reference symbol distribution method and apparatus
CN101924722B (zh) * 2009-06-15 2013-06-26 华为技术有限公司 Oofdm信号的产生和接收方法、装置和波分复用系统
CN102237935B (zh) * 2010-05-06 2013-12-11 中兴通讯股份有限公司 信干噪比预测方法及装置
US8605838B2 (en) * 2010-09-16 2013-12-10 Telefonaktiebolaget L M Ericsson (Publ) Interferer parameter estimation method and apparatus
CN102780655B (zh) * 2011-05-10 2017-04-12 中兴通讯股份有限公司 协方差矩阵的确定方法、频偏估计的方法和系统
JP5184691B1 (ja) * 2011-11-04 2013-04-17 株式会社エヌ・ティ・ティ・ドコモ 受信器
GB2490191B (en) * 2012-01-23 2014-01-08 Renesas Mobile Corp Method, processing system and computer program for calculating a noise covariance estimate
US9276729B2 (en) * 2012-12-07 2016-03-01 Intel Deutschland Gmbh Determination of a noise and interference covariance measure
EP2744141B1 (de) * 2012-12-17 2017-09-06 Mitsubishi Electric R&D Centre Europe B.V. Verfahren und Vorrichtung für die Zeitzuweisung und Frequenzressourcen für mindestens eine Datenübertragung über einen selektiven Kanal für eine schnelle Fadingfrequenz
US9231667B2 (en) * 2013-02-22 2016-01-05 Futurewei Technologies, Inc. Systems and methods for a long-term evolution network
US9979503B2 (en) 2013-02-28 2018-05-22 Telefonaktiebolaget L M Ericsson (Publ) Signal transmission with interference mitigation
US9461757B2 (en) * 2013-06-26 2016-10-04 Intel IP Corporation Method and device for processing a signal based on a first and a second covariance measure
US11652667B2 (en) * 2020-11-25 2023-05-16 Silicon Laboratories Inc. System and method for detecting of channel conditions and channel estimation in an orthogonal frequency division multiplexing (OFDM) receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4323103B2 (ja) * 2001-02-20 2009-09-02 三菱電機株式会社 移動体通信システム、マルチキャリアｃｄｍａ送信装置およびマルチキャリアｃｄｍａ受信装置
US20030125040A1 (en) * 2001-11-06 2003-07-03 Walton Jay R. Multiple-access multiple-input multiple-output (MIMO) communication system
EP1499059B1 (de) * 2003-07-18 2011-07-06 Motorola Mobility, Inc. Verfahren und Vorrichtung zum Ermitteln der Verbindungsgüte in einen OFDM-Netzwerk
KR100651556B1 (ko) * 2004-06-30 2006-11-29 삼성전자주식회사 통신 시스템에서 ｃｉｎｒ 추정 장치 및 방법
JP4692813B2 (ja) * 2005-05-13 2011-06-01 Ｓｍｃ株式会社 電磁弁駆動制御装置
FI20055229A0 (fi) 2005-05-16 2005-05-16 Nokia Corp Signaali-häiriö-tehosuhteen estimaattori

Also Published As

Publication number Publication date
EP2031790A1 (de) 2009-03-04
US20100284499A1 (en) 2010-11-11
WO2009027261A3 (en) 2009-05-22
DE602007012243D1 (de) 2011-03-10
US8149968B2 (en) 2012-04-03
EP2031790B1 (de) 2011-01-26
CN101843028A (zh) 2010-09-22
WO2009027261A2 (en) 2009-03-05

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