ATE443377T1 - Kommunikationssystem und verfahren mit signal/rausch-verhältnisschätzung zur skalierung bei der verarbeitung empfangener drahtloser kommunikationssignale - Google Patents

Kommunikationssystem und verfahren mit signal/rausch-verhältnisschätzung zur skalierung bei der verarbeitung empfangener drahtloser kommunikationssignale

Info

Publication number
ATE443377T1
ATE443377T1 AT03781981T AT03781981T ATE443377T1 AT E443377 T1 ATE443377 T1 AT E443377T1 AT 03781981 T AT03781981 T AT 03781981T AT 03781981 T AT03781981 T AT 03781981T AT E443377 T1 ATE443377 T1 AT E443377T1
Authority
AT
Austria
Prior art keywords
signal
noise ratio
wireless communication
channel
communication signals
Prior art date
Application number
AT03781981T
Other languages
English (en)
Inventor
Gregory S Sternberg
Rui Yang
Philip Pietraski
Robert Olesen
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Application granted granted Critical
Publication of ATE443377T1 publication Critical patent/ATE443377T1/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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • 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
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
AT03781981T 2002-11-20 2003-11-17 Kommunikationssystem und verfahren mit signal/rausch-verhältnisschätzung zur skalierung bei der verarbeitung empfangener drahtloser kommunikationssignale ATE443377T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42784902P 2002-11-20 2002-11-20
PCT/US2003/036851 WO2004047461A2 (en) 2002-11-20 2003-11-17 Communication system and method using signal to noise ratio estimation for scaling in processing received wireless communication signals

Publications (1)

Publication Number Publication Date
ATE443377T1 true ATE443377T1 (de) 2009-10-15

Family

ID=32326602

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03781981T ATE443377T1 (de) 2002-11-20 2003-11-17 Kommunikationssystem und verfahren mit signal/rausch-verhältnisschätzung zur skalierung bei der verarbeitung empfangener drahtloser kommunikationssignale

Country Status (8)

Country Link
US (2) US6931584B2 (de)
EP (1) EP1568141B1 (de)
AT (1) ATE443377T1 (de)
AU (1) AU2003287680A1 (de)
DE (1) DE60329321D1 (de)
MY (1) MY133314A (de)
TW (3) TWI330949B (de)
WO (1) WO2004047461A2 (de)

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DE10318068B4 (de) * 2003-04-17 2009-08-27 Phoenix Contact Gmbh & Co. Kg Verfahren und Vorrichtung zum Paket-orientierten Übertragen sicherheitsrelevanter Daten
TW200534609A (en) * 2003-06-26 2005-10-16 Interdigital Tech Corp Method for generating a channel quality indicator by biasing signal-to-interference ratio
US7596182B1 (en) * 2004-08-11 2009-09-29 Marvell International, Ltd. Optimum symbol timing estimation with various performance measures for OFDM systems
US7492722B2 (en) * 2004-11-04 2009-02-17 Interdigital Technology Corporation Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate
ATE515850T1 (de) * 2005-02-10 2011-07-15 St Ericsson Sa Verfahren und vorrichtung zur signalqualitätsschätzung
US8085733B2 (en) * 2005-02-23 2011-12-27 Interdigital Technology Corporation Wireless communication method and apparatus for dynamically adapting packet transmission rates
WO2007021056A1 (en) * 2005-08-19 2007-02-22 Electronics And Telecommunications Research Institute Channel estimation method and training signal creating method for channel estimation in mimo-ofdm system
US7876808B2 (en) * 2006-11-30 2011-01-25 Broadcom Corp. Method and apparatus for adaptive noise and/or signal filtering in an HSDPA channel quality indicator (CQI) selection
US8300740B1 (en) * 2007-01-26 2012-10-30 Marvell International Ltd. Method and system for generating information for use in detecting a signal
KR20090071984A (ko) * 2007-12-28 2009-07-02 포스데이타 주식회사 광대역 무선 통신 시스템에서 적응적 변조 및 코딩 운용장치 및 방법
US20090177852A1 (en) * 2008-01-09 2009-07-09 Mediatek Inc. Data block receiver and method for decoding data block
EP2088725B1 (de) * 2008-02-11 2014-05-07 Telefonaktiebolaget LM Ericsson (publ) Verfahren zur Soft-Bit-Skalierung
TWI376906B (en) * 2009-01-23 2012-11-11 Ralink Technology Corp Signal-to-noise ratio soft information approximation method for a communication system
CN101795168B (zh) * 2009-02-03 2012-12-26 雷凌科技股份有限公司 用于通讯系统的信噪比软消息的趋近方法
WO2011127243A1 (en) * 2010-04-07 2011-10-13 Interdigital Patent Holdings, Inc. Method and system for laser authentication and key establishment
US20130111297A1 (en) * 2011-10-28 2013-05-02 Lsi Corporation Systems and Methods for Symbol Selective Scaling in a Data Processing Circuit
CN114915368B (zh) * 2021-02-09 2023-08-25 大唐移动通信设备有限公司 一种信息确定方法、装置及设备
CN114401062B (zh) * 2021-12-31 2023-05-30 北京升哲科技有限公司 信噪比调整方法、装置、电子设备及存储介质

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US5509020A (en) * 1993-05-27 1996-04-16 Sony Corporation Viterbi decoding apparatus and methods
US5450453A (en) * 1994-09-28 1995-09-12 Motorola, Inc. Method, apparatus and system for decoding a non-coherently demodulated signal
US5815115A (en) * 1995-12-26 1998-09-29 Lucent Technologies Inc. High speed wireless transmitters and receivers
US5872775A (en) * 1996-10-30 1999-02-16 Qualcomm Incorporated Method and apparatus for performing rate determination
JP3202658B2 (ja) * 1997-06-20 2001-08-27 日本電気株式会社 可変レートｃｄｍａ送信電力制御方式
JPH11163961A (ja) * 1997-11-26 1999-06-18 Matsushita Electric Ind Co Ltd 伝送レート判定方法およびその装置
US6112325A (en) * 1998-01-23 2000-08-29 Dspc Technologies, Ltd. Method and device for detecting rate
JP3741858B2 (ja) * 1998-03-19 2006-02-01 富士通株式会社 適応変調方式
GB9900126D0 (en) * 1999-01-06 1999-02-24 Univ Southampton Wideband burst-by-burst adaptive H.263 assisted wireless video telephony
US6337913B1 (en) * 1999-03-16 2002-01-08 Keng-Yuan Chang Wireless transmitter/receiver circuit system with floating frequency tracing function for a wireless audio equipment
US6542558B1 (en) * 1999-05-28 2003-04-01 Telefonaktiebolaget Lm Ericsson (Publ) Optimum turbo decoding architecture and method using a constant or quasi-constant signal-to-noise ratio
US6389067B1 (en) * 1999-06-10 2002-05-14 Qualcomm, Inc. Method and apparatus for using frame energy metrics to improve rate determination
GB2356112B (en) * 1999-11-04 2002-02-06 Imperial College Increasing data transmission bit rates
WO2001047137A1 (en) * 1999-12-22 2001-06-28 Philips Semiconductors, Inc. Method and apparatus for adaptively selecting a soft symbol
JP3857488B2 (ja) * 2000-02-17 2006-12-13 富士通株式会社 誤り訂正装置
US6697441B1 (en) * 2000-06-06 2004-02-24 Ericsson Inc. Baseband processors and methods and systems for decoding a received signal having a transmitter or channel induced coupling between bits

Also Published As

Publication number Publication date
MY133314A (en) 2007-11-30
TW200419924A (en) 2004-10-01
EP1568141A4 (de) 2008-08-27
EP1568141A2 (de) 2005-08-31
US7032160B2 (en) 2006-04-18
AU2003287680A1 (en) 2004-06-15
TWI330957B (en) 2010-09-21
TWI330949B (en) 2010-09-21
US20040098652A1 (en) 2004-05-20
US20050008103A1 (en) 2005-01-13
TW200507508A (en) 2005-02-16
WO2004047461A2 (en) 2004-06-03
EP1568141B1 (de) 2009-09-16
DE60329321D1 (de) 2009-10-29
WO2004047461A3 (en) 2004-08-12
TW200737744A (en) 2007-10-01
AU2003287680A8 (en) 2004-06-15
US6931584B2 (en) 2005-08-16
TWI271041B (en) 2007-01-11

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