FI112892B - Menetelmä ja vastaanotin eri modulaatiomenetelmillä moduloitujen signaalien vastaanottamiseksi ja dekoodaamiseksi - Google Patents

Menetelmä ja vastaanotin eri modulaatiomenetelmillä moduloitujen signaalien vastaanottamiseksi ja dekoodaamiseksi Download PDF

Info

Publication number
FI112892B
FI112892B FI990834A FI990834A FI112892B FI 112892 B FI112892 B FI 112892B FI 990834 A FI990834 A FI 990834A FI 990834 A FI990834 A FI 990834A FI 112892 B FI112892 B FI 112892B
Authority
FI
Finland
Prior art keywords
sub
decoding
block
demodulation
blocks
Prior art date
Application number
FI990834A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI990834A (fi
FI990834A0 (fi
Inventor
Harri Jokinen
Eero Nikula
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Publication of FI990834A0 publication Critical patent/FI990834A0/fi
Priority to FI990834A priority Critical patent/FI112892B/fi
Priority to US09/548,650 priority patent/US6690751B1/en
Priority to EP00918913A priority patent/EP1166514B1/de
Priority to PCT/FI2000/000317 priority patent/WO2000062498A1/en
Priority to CNB008090092A priority patent/CN1157029C/zh
Priority to AT00918913T priority patent/ATE400955T1/de
Priority to JP2000611455A priority patent/JP3712184B2/ja
Priority to AU39692/00A priority patent/AU3969200A/en
Priority to DE60039422T priority patent/DE60039422D1/de
Publication of FI990834A publication Critical patent/FI990834A/fi
Application granted granted Critical
Publication of FI112892B publication Critical patent/FI112892B/fi

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0036Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • H04L1/0038Blind format detection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0032Without explicit signalling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0047Decoding adapted to other signal detection operation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0054Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0008Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0012Modulated-carrier systems arrangements for identifying the type of modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20Modulator circuits; Transmitter circuits
    • H04L27/2003Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20Modulator circuits; Transmitter circuits
    • H04L27/2032Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0061Error detection codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Artificial Intelligence (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Selective Calling Equipment (AREA)
  • Lock And Its Accessories (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Stereo-Broadcasting Methods (AREA)
FI990834A 1999-04-14 1999-04-14 Menetelmä ja vastaanotin eri modulaatiomenetelmillä moduloitujen signaalien vastaanottamiseksi ja dekoodaamiseksi FI112892B (fi)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI990834A FI112892B (fi) 1999-04-14 1999-04-14 Menetelmä ja vastaanotin eri modulaatiomenetelmillä moduloitujen signaalien vastaanottamiseksi ja dekoodaamiseksi
US09/548,650 US6690751B1 (en) 1999-04-14 2000-04-13 Method and receiver for receiving and decoding signals modulated with different modulation methods
CNB008090092A CN1157029C (zh) 1999-04-14 2000-04-14 用于接收和译码信号的方法和接收机
PCT/FI2000/000317 WO2000062498A1 (en) 1999-04-14 2000-04-14 Method and receiver for receiving and decoding signals modulated with different modulation methods
EP00918913A EP1166514B1 (de) 1999-04-14 2000-04-14 Verfahren und empfänger zum empfangen und dekodieren modulierter signale mit verschiedenen modulationsverfahren
AT00918913T ATE400955T1 (de) 1999-04-14 2000-04-14 Verfahren und empfänger zum empfangen und dekodieren modulierter signale mit verschiedenen modulationsverfahren
JP2000611455A JP3712184B2 (ja) 1999-04-14 2000-04-14 異なる変調方式による変調信号の受信並びに復号化方法及び受信装置
AU39692/00A AU3969200A (en) 1999-04-14 2000-04-14 Method and receiver for receiving and decoding signals modulated with different modulation methods
DE60039422T DE60039422D1 (de) 1999-04-14 2000-04-14 Verfahren und empfänger zum empfangen und dekodieren modulierter signale mit verschiedenen modulationsverfahren

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI990834A FI112892B (fi) 1999-04-14 1999-04-14 Menetelmä ja vastaanotin eri modulaatiomenetelmillä moduloitujen signaalien vastaanottamiseksi ja dekoodaamiseksi
FI990834 1999-04-14

Publications (3)

Publication Number Publication Date
FI990834A0 FI990834A0 (fi) 1999-04-14
FI990834A FI990834A (fi) 2000-10-15
FI112892B true FI112892B (fi) 2004-01-30

Family

ID=8554428

Family Applications (1)

Application Number Title Priority Date Filing Date
FI990834A FI112892B (fi) 1999-04-14 1999-04-14 Menetelmä ja vastaanotin eri modulaatiomenetelmillä moduloitujen signaalien vastaanottamiseksi ja dekoodaamiseksi

Country Status (9)

Country Link
US (1) US6690751B1 (de)
EP (1) EP1166514B1 (de)
JP (1) JP3712184B2 (de)
CN (1) CN1157029C (de)
AT (1) ATE400955T1 (de)
AU (1) AU3969200A (de)
DE (1) DE60039422D1 (de)
FI (1) FI112892B (de)
WO (1) WO2000062498A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6400928B1 (en) * 1999-11-19 2002-06-04 Telefonaktiebolaget L M Ericsson (Publ) Method and system for blind detection of modulation
US6859456B1 (en) * 2000-03-13 2005-02-22 Motorola, Inc. Method and apparatus for checking communicated data
DE10027389B4 (de) * 2000-06-02 2006-05-11 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Synchronisation
US6865235B2 (en) * 2001-03-06 2005-03-08 Agere Systems Inc. Multi-protocol modulator
DE10111206C2 (de) * 2001-03-08 2003-04-03 Infineon Technologies Ag Blinde Detektion für Mobilfunkempfänger
EP1239641A1 (de) * 2001-03-08 2002-09-11 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur blinden Detektion und Festlegung eines Demodulationsverfahrens in einem digitalen Mobilfunksystem
SE523070C2 (sv) * 2001-05-21 2004-03-23 Ericsson Telefon Ab L M En metod och apparat för skattning av länkkvalitet i ett mobilt kommunikationsnätverk
EP1398929B1 (de) * 2002-09-13 2006-11-22 Siemens Aktiengesellschaft Verfahren und Vorrichtung in einem Kommunikationssystem zum empfängerseitigen Bestimmen einer senderseitig verwendeten Modulation bei adaptiver Modulation
US7688902B1 (en) * 2003-04-16 2010-03-30 Marvell International Ltd. Joint space-time block decoding and viterbi decoding
WO2004102915A1 (en) * 2003-05-16 2004-11-25 Matsushita Electric Industrial Co., Ltd. Transmitting/receiving apparatus and corresponding method for a communication network
JP4269858B2 (ja) 2003-09-10 2009-05-27 株式会社日立製作所 適応変復調方式及び無線通信システム
US7499506B2 (en) 2005-03-22 2009-03-03 Qualcomm Incorporated Detection of signal modulation format type
US7508884B2 (en) * 2005-03-24 2009-03-24 Harris Corporation System and method for communicating data using constant amplitude equalized waveform
JP5123601B2 (ja) * 2006-08-31 2013-01-23 キヤノン株式会社 光電変換装置
JP4110193B1 (ja) * 2007-05-02 2008-07-02 キヤノン株式会社 固体撮像装置および撮像システム
US8386869B1 (en) * 2008-06-17 2013-02-26 Link—A—Media Devices Corporation Amplitude defect detection and correction in magnetic storage
US8804876B2 (en) 2009-02-20 2014-08-12 Qualcomm Incorporated Enhanced modulation detection
US8331498B2 (en) * 2009-04-13 2012-12-11 Telefonaktiebolaget L M Ericsson (Publ) Blind modulation detection
US20120275436A1 (en) * 2009-12-01 2012-11-01 QUALCOMM Intercorporated Method and apparatus of processing synchronization shift commands in tdscdma uplink synchronization
CN106571898B (zh) * 2015-10-13 2021-10-01 三星电子株式会社 由至少两个发射器将独立数据发送到接收器的方法和系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497401A (en) * 1994-11-18 1996-03-05 Thomson Consumer Electronics, Inc. Branch metric computer for a Viterbi decoder of a punctured and pragmatic trellis code convolutional decoder suitable for use in a multi-channel receiver of satellite, terrestrial and cable transmitted FEC compressed-digital television data
US5926489A (en) 1996-11-22 1999-07-20 Lsi Logic Corporation Non-equalized digital receiver using block decoding with erasure and error correction
US5960040A (en) * 1996-12-05 1999-09-28 Raytheon Company Communication signal processors and methods
JPH10322408A (ja) 1997-03-19 1998-12-04 Sony Corp 受信装置及び信号受信方法
FI106675B (fi) * 1998-01-30 2001-03-15 Nokia Networks Oy Tiedonsiirtomenetelmä ja radiojärjestelmä
US6047035A (en) * 1998-06-15 2000-04-04 Dspc Israel Ltd. Method and device for quantizing the input to soft decoders

Also Published As

Publication number Publication date
US6690751B1 (en) 2004-02-10
ATE400955T1 (de) 2008-07-15
AU3969200A (en) 2000-11-14
CN1157029C (zh) 2004-07-07
EP1166514B1 (de) 2008-07-09
CN1355979A (zh) 2002-06-26
WO2000062498A1 (en) 2000-10-19
FI990834A (fi) 2000-10-15
EP1166514A1 (de) 2002-01-02
JP2002542670A (ja) 2002-12-10
DE60039422D1 (de) 2008-08-21
FI990834A0 (fi) 1999-04-14
JP3712184B2 (ja) 2005-11-02

Similar Documents

Publication Publication Date Title
FI112892B (fi) Menetelmä ja vastaanotin eri modulaatiomenetelmillä moduloitujen signaalien vastaanottamiseksi ja dekoodaamiseksi
US6199186B1 (en) Screening for undetected errors in data transmission systems
EP0919086B1 (de) Zuverlässigkeitsinformation benutzender dekoder zur verringerung der fehlerhäufigkeit
US6199190B1 (en) Convolution decoding terminated by an error detection block code with distributed parity bits
US5230003A (en) Decoding system for distinguishing different types of convolutionally-encoded signals
KR100554322B1 (ko) 복수의 코딩 버스트내에 배치된 crc 비트에 의해 종료 상태가결정되는 컨벌루셔널 디코딩
US20090041166A1 (en) Method and apparatus to improve information decoding when its characteristics are known a priori
EP1885069A1 (de) Dekodierung unter Berücksichtung von bekannten Informationsbits
JP3613448B2 (ja) データ伝送方法、データ伝送システム、送信装置および受信装置
EP0897620B1 (de) Verfahren zur dekodierung von datensignalen mittels eines festlängenentscheidungsfensters
WO2002037693A2 (en) Reliable detection of a transport format identifier in a transport format identification field of a digital communication system
US6192500B1 (en) Method and apparatus for enhanced performance in a system employing convolutional decoding
US7388522B2 (en) Sequentially decoded low density parity coding (LDPC) forward error correction (FEC) in orthogonal frequency division modulation (OFDM) systems
US7447281B2 (en) Method for the improved recognition of the validity of IEEE 802.11a signals, and circuit arrangement for performing the method
JP2004015171A (ja) Tfci復号回路および復号方法
US10686557B2 (en) Enhanced decoding of coded sequences with structured data
Freudenberger et al. An algorithm for detecting unreliable code sequence segments and its applications
Vijay et al. Comparison between Viterbi algorithm soft and hard decision decoding
KR100488136B1 (ko) 고정길이결정창을이용한데이터신호디코딩방법
RU2127956C1 (ru) Устройство для демодуляции дискретных сигналов в каналах с группированием ошибок
JP3445279B6 (ja) データ伝送方法,データ伝送システムおよび送信装置,受信装置
KR0150093B1 (ko) 비터비 복호기에서의 펀츄어 패턴 동기/비동기 및 위상이동 검출 방법
JPH06204898A (ja) 誤り訂正符号化復号化方法
KR19980015793A (ko) 비터비 복호기의 동기 방법

Legal Events

Date Code Title Description
MM Patent lapsed