NO20026059L - Dobbel bitfeilrateestimering i en QAM-demodulator - Google Patents

Dobbel bitfeilrateestimering i en QAM-demodulator

Info

Publication number
NO20026059L
NO20026059L NO20026059A NO20026059A NO20026059L NO 20026059 L NO20026059 L NO 20026059L NO 20026059 A NO20026059 A NO 20026059A NO 20026059 A NO20026059 A NO 20026059A NO 20026059 L NO20026059 L NO 20026059L
Authority
NO
Norway
Prior art keywords
error rate
bit error
rate estimation
double bit
qam demodulator
Prior art date
Application number
NO20026059A
Other languages
English (en)
Other versions
NO20026059D0 (no
Inventor
Khaled Maalej
Emmanuel Hamman
Amaury Demol
Yannick Levy
Original Assignee
Atmel 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 Atmel Corp filed Critical Atmel Corp
Publication of NO20026059D0 publication Critical patent/NO20026059D0/no
Publication of NO20026059L publication Critical patent/NO20026059L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3809—Amplitude regulation arrangements
    • 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
    • H04L1/0057—Block codes
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3818—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers
    • H04L27/3827—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers in which the carrier is recovered using only the demodulated baseband signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H04L27/3872—Compensation for phase rotation in the demodulated signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0032—Correction of carrier offset at baseband and passband
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0036—Correction of carrier offset using a recovered symbol clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0038—Correction of carrier offset using an equaliser
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0055—Closed loops single phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0071—Control of loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0071—Control of loops
    • H04L2027/0079—Switching between loops
    • H04L2027/0081—Switching between loops between loops of different bandwidths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
NO20026059A 2000-06-23 2002-12-17 Dobbel bitfeilrateestimering i en QAM-demodulator NO20026059L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/603,245 US6268767B1 (en) 1999-09-08 2000-06-23 Dual bit error rate estimation in a QAM demodulator
PCT/US2001/017382 WO2002001788A2 (en) 2000-06-23 2001-05-30 Dual bit error rate estimation in a qam demodulator

Publications (2)

Publication Number Publication Date
NO20026059D0 NO20026059D0 (no) 2002-12-17
NO20026059L true NO20026059L (no) 2003-02-24

Family

ID=24414625

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20026059A NO20026059L (no) 2000-06-23 2002-12-17 Dobbel bitfeilrateestimering i en QAM-demodulator

Country Status (11)

Country Link
US (1) US6268767B1 (no)
EP (1) EP1295430A2 (no)
JP (1) JP2004502335A (no)
KR (1) KR20030010638A (no)
CN (1) CN1636347A (no)
AU (1) AU2001263494A1 (no)
CA (1) CA2406012A1 (no)
MY (1) MY134251A (no)
NO (1) NO20026059L (no)
TW (1) TWI277289B (no)
WO (1) WO2002001788A2 (no)

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US6621871B2 (en) * 2001-03-30 2003-09-16 Nokia Corporation Incremental redundancy packet combiner and decoder
US7584498B2 (en) * 2001-04-23 2009-09-01 Thomson Licensing Method and apparatus for enhanced cable modem operation
JP2002374133A (ja) * 2001-06-14 2002-12-26 Mitsubishi Electric Corp 自動利得制御回路及び自動利得制御方法
US6727772B2 (en) * 2002-05-01 2004-04-27 Intel Corporation Method and system for synchronizing a quadrature amplitude modulation demodulator
EP1416660A1 (en) * 2002-10-31 2004-05-06 Alcatel Improved FEC decoder and method
US7948683B2 (en) * 2006-05-14 2011-05-24 Holochip Corporation Fluidic lens with manually-adjustable focus
US8381047B2 (en) * 2005-11-30 2013-02-19 Microsoft Corporation Predicting degradation of a communication channel below a threshold based on data transmission errors
US8149925B2 (en) * 2006-03-23 2012-04-03 Intel Corporation Chase algorithm based differential decoder for soft decision Reed Solomon decoding in a QAM system
KR100750740B1 (ko) 2006-08-17 2007-08-22 삼성전자주식회사 수신성능이 개선된 다중반송파 수신기 및 그 신호처리방법
US8036240B2 (en) * 2007-12-14 2011-10-11 Microsoft Corporation Software defined cognitive radio
EP2398175B1 (en) * 2010-06-18 2012-08-22 Cisco Technology, Inc. Method and circuit for BER estimation
JP2012182594A (ja) * 2011-02-28 2012-09-20 Nec Corp 光送受信システム及び光受信装置
US9209908B2 (en) * 2012-10-04 2015-12-08 Zte (Usa) Inc. System and method for heterodyne coherent detection with optimal offset
CN105531768B (zh) * 2013-08-30 2019-12-31 英派尔科技开发有限公司 闪存中功率消耗的减小
CN106972832B (zh) * 2017-02-28 2020-08-04 深圳市鼎阳科技股份有限公司 一种可任意倍数重采样的数字下变频器
CN106972833B (zh) * 2017-02-28 2020-08-18 深圳市鼎阳科技股份有限公司 一种可任意倍数重采样的数字上变频器
JP7715975B2 (ja) * 2021-01-15 2025-07-31 富士通株式会社 通信品質推定装置、通信装置および通信品質推定方法
CN115967468B (zh) * 2022-11-09 2025-03-14 中国科学院西安光学精密机械研究所 一种基于随机共振的空间光通信fec译码方法及系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4688235A (en) * 1984-11-30 1987-08-18 Nec Corporation Cross-polarization interference canceller
US5168509A (en) 1989-04-12 1992-12-01 Kabushiki Kaisha Toshiba Quadrature amplitude modulation communication system with transparent error correction
US5163051A (en) 1990-02-02 1992-11-10 Telecom Analysis Systems Inc. Paired bit error rate tester
FI950843A7 (fi) * 1995-02-23 1996-08-24 Nokia Corp Menetelmä yhteyden laadun määrittämiseksi sekä vastaanotin
US5828672A (en) * 1997-04-30 1998-10-27 Telefonaktiebolaget Lm Ericsson (Publ) Estimation of radio channel bit error rate in a digital radio telecommunication network
US6249180B1 (en) * 1999-09-08 2001-06-19 Atmel Corporation Phase noise and additive noise estimation in a QAM demodulator

Also Published As

Publication number Publication date
JP2004502335A (ja) 2004-01-22
KR20030010638A (ko) 2003-02-05
EP1295430A2 (en) 2003-03-26
TWI277289B (en) 2007-03-21
US6268767B1 (en) 2001-07-31
MY134251A (en) 2007-11-30
CN1636347A (zh) 2005-07-06
WO2002001788A2 (en) 2002-01-03
NO20026059D0 (no) 2002-12-17
AU2001263494A1 (en) 2002-01-08
WO2002001788B1 (en) 2002-05-10
WO2002001788A3 (en) 2002-04-04
CA2406012A1 (en) 2002-01-03

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