ATE340450T1 - 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
ATE340450T1
ATE340450T1 AT02737275T AT02737275T ATE340450T1 AT E340450 T1 ATE340450 T1 AT E340450T1 AT 02737275 T AT02737275 T AT 02737275T AT 02737275 T AT02737275 T AT 02737275T AT E340450 T1 ATE340450 T1 AT E340450T1
Authority
AT
Austria
Prior art keywords
sinr
adaptive equalizer
wireless channel
frame
estimating
Prior art date
Application number
AT02737275T
Other languages
English (en)
Inventor
Ivan Jesus Fernandez Corbaton
John E Smee
Srikant Jayaraman
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 ATE340450T1 publication Critical patent/ATE340450T1/de

Links

Classifications

    • 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
    • H04L1/20—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
    • 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)
AT02737275T 2001-06-04 2002-05-31 Verfahren und vorrichtung für schätzung des signal-zu-rausch-verhältnisses eines drahtlosen kanals ATE340450T1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATE340450T1 true ATE340450T1 (de) 2006-10-15

Family

ID=25362538

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02737275T ATE340450T1 (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)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583728B2 (en) 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7245671B1 (en) 2001-04-27 2007-07-17 The Directv Group, Inc. Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers
US7483505B2 (en) * 2001-04-27 2009-01-27 The Directv Group, Inc. Unblind equalizer architecture for digital communication systems
US7423987B2 (en) 2001-04-27 2008-09-09 The Directv Group, Inc. Feeder link configurations to support layered modulation for digital signals
US8005035B2 (en) 2001-04-27 2011-08-23 The Directv Group, Inc. Online output multiplexer filter measurement
US7639759B2 (en) 2001-04-27 2009-12-29 The Directv Group, Inc. Carrier to noise ratio estimations from a received signal
US7502430B2 (en) 2001-04-27 2009-03-10 The Directv Group, Inc. Coherent averaging for measuring traveling wave tube amplifier nonlinearity
US7209524B2 (en) 2001-04-27 2007-04-24 The Directv Group, Inc. Layered modulation for digital signals
US7184489B2 (en) 2001-04-27 2007-02-27 The Directv Group, Inc. Optimization technique for layered modulation
US7778365B2 (en) 2001-04-27 2010-08-17 The Directv Group, Inc. Satellite TWTA on-line non-linearity measurement
US7173981B1 (en) 2001-04-27 2007-02-06 The Directv Group, Inc. Dual layer signal processing in a layered modulation digital signal system
US7822154B2 (en) 2001-04-27 2010-10-26 The Directv Group, Inc. Signal, interference and noise power measurement
US7512189B2 (en) 2001-04-27 2009-03-31 The Directv Group, Inc. Lower complexity layered modulation signal processor
US7471735B2 (en) 2001-04-27 2008-12-30 The Directv Group, Inc. Maximizing power and spectral efficiencies for layered and conventional modulations
US7460605B2 (en) * 2001-11-15 2008-12-02 Lawrence Livermore National Security, Llc Time reversal communication system
US7423990B2 (en) * 2002-06-18 2008-09-09 Vixs Systems Inc. Dynamically adjusting data rate of wireless communications
EP1540909A4 (de) 2002-07-01 2007-10-17 Directv Group Inc Verbessern der hierarchischen 8psk-leistung
WO2004006455A1 (en) 2002-07-03 2004-01-15 The Directv Group, Inc. Method and apparatus for layered modulation
US7808937B2 (en) 2005-04-07 2010-10-05 Rambus, Inc. Variable interference cancellation technology for CDMA systems
US7876810B2 (en) 2005-04-07 2011-01-25 Rambus Inc. Soft weighted interference cancellation for CDMA systems
US8761321B2 (en) 2005-04-07 2014-06-24 Iii Holdings 1, Llc Optimal feedback weighting for soft-decision cancellers
US8179946B2 (en) 2003-09-23 2012-05-15 Rambus Inc. Systems and methods for control of advanced receivers
US7474710B2 (en) 2002-10-25 2009-01-06 The Directv Group, Inc. Amplitude and phase matching for layered modulation reception
US7463676B2 (en) 2002-10-25 2008-12-09 The Directv Group, Inc. On-line phase noise measurement for layered modulation
US7342979B2 (en) * 2002-12-09 2008-03-11 Broadcom Corporation Incremental redundancy support in a cellular wireless terminal having IR processing module
EP1429487A3 (de) * 2002-12-09 2005-07-20 Broadcom Corporation EDGE-Speicherstruktur für inkrementale Redundanz und Speicherverwaltung
US7107013B2 (en) 2003-06-16 2006-09-12 Broadcom Corporation Cooperative link characterization and MCS selection by wireless terminal and network for improved system performance
US7107080B2 (en) * 2003-06-16 2006-09-12 Broadcom Corporation System and method to conduct idle mode paging channel monitoring within a cellular wireless network
US7342956B2 (en) * 2003-06-16 2008-03-11 Broadcom Corporation System and method to extract uplink status flag bits in a cellular wireless network
US7068735B2 (en) * 2003-06-16 2006-06-27 Broadcom Corp. System and method to perform DC compensation on a radio frequency burst in a cellular wireless network
US7352720B2 (en) * 2003-06-16 2008-04-01 Broadcom Corporation System and method to determine a bit error probability of received communications within a cellular wireless network
US7406139B2 (en) * 2003-06-16 2008-07-29 Broadcom Corporation System and method to identify a modulation format of a data frame within a cellular wireless network
US7349495B2 (en) * 2003-09-25 2008-03-25 Intel Corporation Soft bits normalization apparatus, method, and system
US7502429B2 (en) 2003-10-10 2009-03-10 The Directv Group, Inc. Equalization for traveling wave tube amplifier nonlinearity measurements
US7457379B2 (en) * 2003-10-16 2008-11-25 Broadcom Corporation Adaptive multi-step combined DC offset compensation for EDGE 8-PSK
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7400692B2 (en) 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
EP1745623A1 (de) * 2004-05-12 2007-01-24 Thomson Licensing Konstellationslokalisierungsabhängige schrittgrössen für entzerrer-fehlersignale
KR20070014165A (ko) * 2004-05-12 2007-01-31 톰슨 라이센싱 잡음 전력 추정치에 기반한 등화기 동기 검출기
DE102004026072B4 (de) * 2004-05-25 2007-02-15 Micronas Gmbh Verfahren und Vorrichtung zur bewegungskompensierten Rauschschätzung bei mobilen drahtlosen Übertragungssystemen
US7466768B2 (en) * 2004-06-14 2008-12-16 Via Technologies, Inc. IQ imbalance compensation
US8599972B2 (en) 2004-06-16 2013-12-03 Telefonaktiebolaget L M Ericsson (Publ) SIR estimation in a wireless receiver
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
CN100355229C (zh) * 2005-06-27 2007-12-12 凯明信息科技股份有限公司 高速下行分组接入中基于信干噪比预测的链路自适应方法
US7715472B2 (en) * 2005-10-25 2010-05-11 Broadcom Corporation Equalizer architecture for data communication
US8107549B2 (en) 2005-11-30 2012-01-31 Qualcomm, Incorporated Multi-stage receiver for wireless communication
WO2007126446A2 (en) * 2006-01-12 2007-11-08 Agere Systems Inc. Receiver employing non-pilot reference channels for equalizing a received signal
GB0606532D0 (en) * 2006-03-31 2006-05-10 Matsushita Electric Industrial Co Ltd Signal-To-Noise Ratio Estimation For Digital Signal Decoding
JP2008053906A (ja) * 2006-08-23 2008-03-06 Fujitsu Ltd 通信装置及びそのｓｉｒ推定方法
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
CN102065462B (zh) * 2011-01-21 2013-04-03 新邮通信设备有限公司 一种噪声干扰测量方法和装置
US8537875B2 (en) 2011-04-14 2013-09-17 Qualcomm Incorporated Methods and apparatus for adjusting forward link signal to interference and noise ratio estimates
US8559494B1 (en) * 2012-06-20 2013-10-15 MagnaCom Ltd. Timing synchronization for reception of highly-spectrally-efficient communications
US9831910B2 (en) 2013-09-16 2017-11-28 Marvell International Ltd. Noise estimation based on control messages destined for other mobile terminals
DE102014103853B4 (de) * 2014-03-20 2016-02-18 Intel IP Corporation Verfahren und Vorrichtung zur Störsignalquellen-Zeitablaufsteuerungsdetektion und zum Schätzen von Rausch- und Störparametern
CN103973250B (zh) * 2014-04-23 2016-08-31 京信通信系统（中国）有限公司 Dpd mcpa功放增益自适应补偿方法、系统与装置
EP4239921B1 (de) * 2022-02-09 2025-03-26 Nokia Solutions and Networks Oy Dynamisches fehlerratenziel zur streckenanpassung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3765947D1 (de) 1986-01-18 1990-12-13 Hewlett Packard Ltd Beeinflussungsfreier analysator zur erfassung von kanalstoerungen.
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
JPH0626343B2 (ja) 1988-12-16 1994-04-06 日本電気株式会社 変復調装置のデータ伝送速度自動切替方式
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5511073A (en) 1990-06-25 1996-04-23 Qualcomm Incorporated Method and apparatus for the formatting of data for transmission
US5914959A (en) * 1996-10-31 1999-06-22 Glenayre Electronics, Inc. Digital communications system having an automatically selectable transmission rate
US6175588B1 (en) * 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system
US6215818B1 (en) 1998-04-29 2001-04-10 Nortel Networks Limited Method and apparatus for operating an adaptive decision feedback equalizer
US6310915B1 (en) * 1998-11-20 2001-10-30 Harmonic Inc. Video transcoder with bitstream look ahead for rate control and statistical multiplexing
US6680985B1 (en) * 2000-08-15 2004-01-20 Hughes Electronics Corporation Adaptive quadrature amplitude modulation decoding system
US6628707B2 (en) * 2001-05-04 2003-09-30 Radiant Networks Plc Adaptive equalizer system for short burst modems and link hopping radio networks

Also Published As

Publication number Publication date
TW576029B (en) 2004-02-11
KR20040003049A (ko) 2004-01-07
DE60214847T2 (de) 2007-10-04
JP4152878B2 (ja) 2008-09-17
WO2002100033A1 (en) 2002-12-12
BR0210132A (pt) 2006-10-10
EP1393490A1 (de) 2004-03-03
DE60214847D1 (de) 2006-11-02
US7106792B2 (en) 2006-09-12
JP2005516429A (ja) 2005-06-02
US20020186761A1 (en) 2002-12-12
EP1393490B1 (de) 2006-09-20
CN1522513A (zh) 2004-08-18
KR100892898B1 (ko) 2009-04-15

Similar Documents

Publication Publication Date Title
ATE340450T1 (de) Verfahren und vorrichtung für schätzung des signal-zu-rausch-verhältnisses eines drahtlosen kanals
DE60336903D1 (de) Verfahren und vorrichtung zur entscheidungsrückgekoppelten entzerrerung
WO2004112295A3 (en) Method and apparatus for estimating carrier frequency offset and fading rate using autoregressive channel modeling
MY209191A (en) Sensor calibration
ATE441987T1 (de) Verfahren und vorrichtung zum kompensieren eines empfängerfrequenzfehlers bei der rauschschätzungsverarbeitung
ATE433644T1 (de) Verfahren und vorrichtung zur standortauswahldiversität unter verwendung von zielwerten für ein qualitätsmass
ATE491272T1 (de) Ratenregelung in offener schleife für ein tdd- kommunikationssystem
WO2008018761A3 (en) Method of estimating signal-to-noise ratio, method of adjusting feedback information transmission, adaptive modulation and coding method using the same, and transceiver thereof
EP2000820A3 (de) Verfahren und Vorrichtung zur Bestimmung einer Fehlerbeurteilung in hybridem Positionsbestimmungssystem
WO2006010108A3 (en) Methods and apparatus for low distortion parameter measurements
ATE554548T1 (de) Verfahren und vorrichtung zur schätzung der maximalen datenrate in einem kommunikationssystem
TW200717998A (en) Method and apparatus for estimating the step-size of an adaptive equalizer
ATE470996T1 (de) Verfahren zur mehrbenutzerdetektion
KR20070093227A (ko) 이동통신 시스템에서 간섭 제거를 위한 채널 추정 장치 및방법
EP1585225A3 (de) Verfahren und Gerät zur Schätzung der Qualität eines Übertragungskanals
CN100571233C (zh) 在自适应调制中用适当阈值选择调制方法的数据通信装置
NO20082807L (no) Fremgangsmate og apparat for a eliminere smalbandsinterferens ved bruk av vindusteknikkprosessering i spredt spektrums-system
US7254117B2 (en) Closed-loop power control apparatus for mobile satellite communication system and method thereof
US20210091983A1 (en) Using isi or q calculation to adapt equalizer settings
DE602006005986D1 (de) Vorrichtung und Verfahren zum Teilen eines einmaligen Identifikators durch eine Vielzahl von Empfängern
WO2011054918A3 (en) Method to estimate a signal to interference plus noise ratio based on selection of the samples and corresponding processing system
ATE470178T1 (de) Verfahren und vorrichtung zur prozessoptimierung
ATE477655T1 (de) Verfahren und vorrichtung zur adaptiven frequenzfehlerschätzung
DE60303587D1 (de) Ermittlung einer Kanalschätzung eines Übertragungskanals
ATE544265T1 (de) Verfahren und vorrichtung zur dienstqualitätsbasierten zulassungssteuerung

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties