RU2014136353A - Способ и устройство для улучшенных qam-созвездий - Google Patents

Способ и устройство для улучшенных qam-созвездий Download PDF

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Publication number
RU2014136353A
RU2014136353A RU2014136353A RU2014136353A RU2014136353A RU 2014136353 A RU2014136353 A RU 2014136353A RU 2014136353 A RU2014136353 A RU 2014136353A RU 2014136353 A RU2014136353 A RU 2014136353A RU 2014136353 A RU2014136353 A RU 2014136353A
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Russia
Prior art keywords
constellation
channel
positions
points
snr
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RU2014136353A
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English (en)
Russian (ru)
Inventor
Джонатан СТОТТ
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Бритиш Бродкастинг Корпорейшн
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Publication of RU2014136353A publication Critical patent/RU2014136353A/ru

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    • 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
    • H04L27/36—Modulator circuits; Transmitter circuits
    • 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
    • H04L1/0041—Arrangements at the transmitter 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0017—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy where the mode-switching is based on Quality of Service requirement
    • 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
    • H03M13/27—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 using interleaving techniques
    • H03M13/2732—Convolutional interleaver; Interleavers using shift-registers or delay lines like, e.g. Ramsey type interleaver
    • 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2933—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using a block and a convolutional code
    • H03M13/2936—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using a block and a convolutional code comprising an outer Reed-Solomon code and an inner convolutional code
    • 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
    • H03M13/63—Joint error correction and other techniques
    • H03M13/635—Error control coding in combination with rate matching
    • H03M13/6362—Error control coding in combination with rate matching by puncturing
    • 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
    • H04L1/0041—Arrangements at the transmitter end
    • H04L1/0042—Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape
    • 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
    • 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
    • H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
RU2014136353A 2012-02-06 2013-02-06 Способ и устройство для улучшенных qam-созвездий RU2014136353A (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1202075.6 2012-02-06
GB1202075.6A GB2499050A (en) 2012-02-06 2012-02-06 Non-uniform QAM constellations with constellation points at positions of maximum capacity for a selected signal to noise ratio
PCT/GB2013/000046 WO2013117883A1 (en) 2012-02-06 2013-02-06 Method and apparatus for improved qam constellations

Publications (1)

Publication Number Publication Date
RU2014136353A true RU2014136353A (ru) 2016-04-10

Family

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Application Number Title Priority Date Filing Date
RU2014136353A RU2014136353A (ru) 2012-02-06 2013-02-06 Способ и устройство для улучшенных qam-созвездий

Country Status (7)

Country Link
US (1) US20150049844A1 (https=)
EP (1) EP2813043A1 (https=)
JP (1) JP2015511444A (https=)
KR (1) KR20140142234A (https=)
GB (1) GB2499050A (https=)
RU (1) RU2014136353A (https=)
WO (1) WO2013117883A1 (https=)

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WO2014177565A1 (en) * 2013-04-30 2014-11-06 Sony Corporation Coding and modulation apparatus using non-uniform constellation
EP2992656B1 (en) * 2013-04-30 2017-03-22 Sony Corporation Coding and modulation apparatus using non-uniform constellation
JP6420333B2 (ja) 2013-07-05 2018-11-07 ソニー株式会社 不均一コンステレーションを利用した符号化変調装置
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EP2916507B1 (en) * 2014-03-04 2019-11-06 Alcatel Lucent Method for digitally modulating a signal in a communication network
US10862634B2 (en) * 2014-03-07 2020-12-08 Huawei Technologies Co., Ltd. Systems and methods for OFDM with flexible sub-carrier spacing and symbol duration
GB2523999B (en) * 2014-03-10 2020-12-30 British Broadcasting Corp Method and apparatus for improved QAM constellations
JP6856991B2 (ja) * 2016-08-12 2021-04-14 日本放送協会 送信装置及び受信装置
US10382138B2 (en) * 2017-03-06 2019-08-13 Nec Corporation Constellation optimization based on generalized mutual information over a nonlinear optical channel
EP3632070B1 (en) * 2017-07-03 2021-09-08 Huawei Technologies Co., Ltd. Methods and apparatuses for quadrature amplitude modulation optimized for phase noise
KR101967299B1 (ko) * 2017-12-19 2019-04-09 엘지전자 주식회사 방송 신호를 수신하는 차량용 수신 장치 및 방송 신호를 수신하는 차량용 수신 방법
US10911284B1 (en) 2019-07-16 2021-02-02 Microsoft Technology Licensing, Llc Intelligent optimization of communication systems utilizing error correction
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US11075656B2 (en) 2019-07-16 2021-07-27 Microsoft Technology Licensing, Llc Bit error reduction of communication systems using error correction
US11086719B2 (en) 2019-07-16 2021-08-10 Microsoft Technology Licensing, Llc Use of error correction codes to prevent errors in neighboring storage
US11044044B2 (en) 2019-07-16 2021-06-22 Microsoft Technology Licensing, Llc Peak to average power ratio reduction of optical systems utilizing error correction
US11031961B2 (en) 2019-07-16 2021-06-08 Microsoft Technology Licensing, Llc Smart symbol changes for optimization of communications using error correction
US11063696B2 (en) 2019-07-16 2021-07-13 Microsoft Technology Licensing, Llc Increasing average power levels to reduce peak-to-average power levels using error correction codes
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Also Published As

Publication number Publication date
WO2013117883A8 (en) 2014-08-14
JP2015511444A (ja) 2015-04-16
WO2013117883A1 (en) 2013-08-15
US20150049844A1 (en) 2015-02-19
KR20140142234A (ko) 2014-12-11
GB2499050A (en) 2013-08-07
EP2813043A1 (en) 2014-12-17
GB201202075D0 (en) 2012-03-21

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Effective date: 20170511