RU2007120530A - Способ снижения уровней неопределенности переданных символов - Google Patents

Способ снижения уровней неопределенности переданных символов Download PDF

Info

Publication number
RU2007120530A
RU2007120530A RU2007120530/09A RU2007120530A RU2007120530A RU 2007120530 A RU2007120530 A RU 2007120530A RU 2007120530/09 A RU2007120530/09 A RU 2007120530/09A RU 2007120530 A RU2007120530 A RU 2007120530A RU 2007120530 A RU2007120530 A RU 2007120530A
Authority
RU
Russia
Prior art keywords
modulation
bits
additional
bit
modulation states
Prior art date
Application number
RU2007120530/09A
Other languages
English (en)
Russian (ru)
Inventor
ЭДЛЕР ФОН ЭЛЬБВАРТ Александер ГОЛИЧЕК (DE)
ЭДЛЕР ФОН ЭЛЬБВАРТ Александер ГОЛИЧЕК
Кристиан ВЕНГЕРТЕР (DE)
Кристиан ВЕНГЕРТЕР
Исаму ЙОСИИ (DE)
Исаму ЙОСИИ
Original Assignee
Мацусита Электрик Индастриал Ко.
Мацусита Электрик Индастриал Ко., Лтд
Лтд (De)
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
Priority claimed from EP04026082A external-priority patent/EP1655878A1/en
Priority claimed from EP04026071A external-priority patent/EP1655877A1/en
Application filed by Мацусита Электрик Индастриал Ко., Мацусита Электрик Индастриал Ко., Лтд, Лтд (De) filed Critical Мацусита Электрик Индастриал Ко.
Publication of RU2007120530A publication Critical patent/RU2007120530A/ru

Links

Classifications

    • 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
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/183—Multiresolution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • 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
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3455—Modifications of the signal space to allow the transmission of additional information in order to facilitate carrier recovery at the receiver end, e.g. by transmitting a pilot or by using additional signal points to allow the detection of rotations
    • 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
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
    • H04L27/3472—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel by switching between alternative constellations
    • 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
    • H04L27/3488—Multiresolution systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
RU2007120530/09A 2004-11-03 2005-09-30 Способ снижения уровней неопределенности переданных символов RU2007120530A (ru)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
EP04026071.3 2004-11-03
EP04026082.0 2004-11-03
EP04026082A EP1655878A1 (en) 2004-11-03 2004-11-03 Method and transmitter structure reducing ambiguity by repetition rearrangement in the symbol domain
EP04026071A EP1655877A1 (en) 2004-11-03 2004-11-03 Method and transmitter structure reducing ambiguity by repetition rearrangement in the bit domain
PCT/EP2005/007928 WO2006048059A1 (en) 2004-11-03 2005-07-20 Method and transmitter structure reducing ambiguity by repetition rearrangement in the bit domain
PCT/EP2005/007929 WO2006048060A1 (en) 2004-11-03 2005-07-20 Method and transmitter structure reducing ambiguity by repetition rearrangement in the symbol domain
EPPCT/EP2005/007928 2005-07-20
EPPCT/EP2005/007929 2005-07-20
PCT/EP2005/008081 WO2006048061A1 (en) 2004-11-03 2005-07-25 Method and transmitter structure removing phase ambiguity by repetition rearrangement
EPPCT/EP2005/008081 2005-07-25

Publications (1)

Publication Number Publication Date
RU2007120530A true RU2007120530A (ru) 2008-12-10

Family

ID=35240873

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2007120530/09A RU2007120530A (ru) 2004-11-03 2005-09-30 Способ снижения уровней неопределенности переданных символов

Country Status (4)

Country Link
US (2) US7965793B2 (enExample)
JP (4) JP4722135B2 (enExample)
RU (1) RU2007120530A (enExample)
WO (1) WO2006048061A1 (enExample)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1655878A1 (en) 2004-11-03 2006-05-10 Matsushita Electric Industrial Co., Ltd. Method and transmitter structure reducing ambiguity by repetition rearrangement in the symbol domain
WO2006048061A1 (en) * 2004-11-03 2006-05-11 Matsushita Electric Industrial Co., Ltd. Method and transmitter structure removing phase ambiguity by repetition rearrangement
US8179876B2 (en) * 2004-12-22 2012-05-15 Qualcomm Incorporated Multiple modulation technique for use in a communication system
WO2006070750A1 (ja) * 2004-12-27 2006-07-06 Matsushita Electric Industrial Co., Ltd. 無線送信装置、無線受信装置、無線送信方法および無線受信方法
JP2007221178A (ja) * 2005-04-01 2007-08-30 Ntt Docomo Inc 送信装置及び送信方法
CN101213808B (zh) * 2005-06-29 2012-12-05 松下电器产业株式会社 用于根据不同的码元映射方案而使用利用码元映射方案的码元映射器来生成调制码元的方法、以及用于生成码元映射方案的方法
EP1793243A1 (de) * 2005-12-05 2007-06-06 Leica Geosystems AG Verfahren zur Auflösung einer Phasenmehrdeutigkeit
EP1958408B1 (en) * 2005-12-06 2019-11-06 Microsoft Technology Licensing, LLC Apparatus and method for transmitting data using a plurality of carriers
US7688918B2 (en) * 2006-07-07 2010-03-30 Alcatel-Lucent Usa Inc. Recursive phase estimation for a phase-shift-keying receiver
KR100809604B1 (ko) * 2006-12-06 2008-03-04 한국전자통신연구원 상호 협력 전송에서 신호점 회전을 이용한 신호 송/수신장치 및 방법
CN101123464A (zh) * 2007-07-13 2008-02-13 北京创毅视讯科技有限公司 一种单频网发射系统发射机、调制器及信号同步发射方法
US8149938B2 (en) * 2007-08-07 2012-04-03 Texas Instruments Incorporated Transmission of ACK/NACK bits and their embedding in the CQI reference signal
CN101447854B (zh) 2007-11-27 2012-11-07 上海华为技术有限公司 数据发送/转发/处理方法及装置
KR101450759B1 (ko) * 2008-07-07 2014-10-16 삼성전자주식회사 무선 통신시스템에서 복합 재 전송 데이터를 결합하는 방법및 장치
KR101182856B1 (ko) * 2008-09-01 2012-09-14 한국전자통신연구원 재전송 방법 및 장치
TWI403131B (zh) * 2009-12-15 2013-07-21 Univ Nat Taiwan 通道估測方法以及收發機
US9178745B2 (en) * 2011-02-04 2015-11-03 Marvell World Trade Ltd. Control mode PHY for WLAN
JP6057435B2 (ja) 2011-02-04 2017-01-11 マーベル ワールド トレード リミテッド 無線ｌａｎの制御モードｐｈｙ
US8983309B2 (en) * 2012-02-13 2015-03-17 Ciena Corporation Constrained continuous phase modulation and demodulation in an optical communications system
US8582637B1 (en) 2012-06-20 2013-11-12 MagnaCom Ltd. Low-complexity, highly-spectrally-efficient communications
WO2014016677A2 (en) 2012-06-20 2014-01-30 MagnaCom Ltd. Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing
US9166834B2 (en) 2012-06-20 2015-10-20 MagnaCom Ltd. Method and system for corrupt symbol handling for providing high reliability sequences
US8781008B2 (en) 2012-06-20 2014-07-15 MagnaCom Ltd. Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing
CN108880750B (zh) 2012-07-09 2021-07-06 索尼公司 解码和解调装置及方法、接收装置及方法与通信系统
US9088400B2 (en) 2012-11-14 2015-07-21 MagnaCom Ltd. Hypotheses generation based on multidimensional slicing
US8811548B2 (en) 2012-11-14 2014-08-19 MagnaCom, Ltd. Hypotheses generation based on multidimensional slicing
EP2992656B1 (en) 2013-04-30 2017-03-22 Sony Corporation Coding and modulation apparatus using non-uniform constellation
MX357951B (es) 2013-07-05 2018-07-30 Sony Corp Aparato de codificación y modulación utilizando constelación no uniforme.
JP6253784B2 (ja) 2013-09-10 2017-12-27 マーベル ワールド トレード リミテッド 屋外ｗｌａｎのための拡張ガードインターバル
US10218822B2 (en) 2013-10-25 2019-02-26 Marvell World Trade Ltd. Physical layer frame format for WLAN
KR102526618B1 (ko) 2013-10-25 2023-04-27 마벨 아시아 피티이 엘티디. 와이파이를 위한 레인지 확장 모드
US10194006B2 (en) 2013-10-25 2019-01-29 Marvell World Trade Ltd. Physical layer frame format for WLAN
US9118519B2 (en) 2013-11-01 2015-08-25 MagnaCom Ltd. Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
US8804879B1 (en) 2013-11-13 2014-08-12 MagnaCom Ltd. Hypotheses generation based on multidimensional slicing
US9130637B2 (en) 2014-01-21 2015-09-08 MagnaCom Ltd. Communication methods and systems for nonlinear multi-user environments
US9693203B2 (en) * 2014-01-26 2017-06-27 Lg Electronics Inc. Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
US11855818B1 (en) 2014-04-30 2023-12-26 Marvell Asia Pte Ltd Adaptive orthogonal frequency division multiplexing (OFDM) numerology in a wireless communication network
US9496900B2 (en) 2014-05-06 2016-11-15 MagnaCom Ltd. Signal acquisition in a multimode environment
US8891701B1 (en) 2014-06-06 2014-11-18 MagnaCom Ltd. Nonlinearity compensation for reception of OFDM signals
US9246523B1 (en) 2014-08-27 2016-01-26 MagnaCom Ltd. Transmitter signal shaping
US9276619B1 (en) 2014-12-08 2016-03-01 MagnaCom Ltd. Dynamic configuration of modulation and demodulation
US9191247B1 (en) 2014-12-09 2015-11-17 MagnaCom Ltd. High-performance sequence estimation system and method of operation
WO2016134020A1 (en) 2015-02-17 2016-08-25 Marvell Semiconductor, Inc. Block coding scheme for phy data unit transmission
JP2018064129A (ja) * 2015-02-26 2018-04-19 シャープ株式会社 端末装置、基地局装置、および通信方法
US9614705B2 (en) * 2015-05-20 2017-04-04 The Boeing Company Constant-envelope phase-optimized transmission methods and apparatus
US10075312B2 (en) * 2015-05-20 2018-09-11 The Boeing Company Constant-envelope phase-optimized transmission methods and apparatus
US10212020B2 (en) 2015-06-09 2019-02-19 Samsung Electronics Co., Ltd Apparatus and method for superposition transmissions
JP6747437B2 (ja) * 2015-06-10 2020-08-26 ソニー株式会社 データ処理装置、データ処理方法、およびプログラム
EP3549298A1 (en) * 2017-01-09 2019-10-09 Sony Corporation Communication device, infrastructure equipment and methods
US11172455B2 (en) 2019-07-16 2021-11-09 Microsoft Technology Licensing, Llc Peak to average power output reduction of RF systems utilizing error correction
US11075656B2 (en) 2019-07-16 2021-07-27 Microsoft Technology Licensing, Llc Bit error reduction of communication systems using error correction
US10911284B1 (en) * 2019-07-16 2021-02-02 Microsoft Technology Licensing, Llc Intelligent optimization of communication systems utilizing 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
US11086719B2 (en) 2019-07-16 2021-08-10 Microsoft Technology Licensing, Llc Use of error correction codes to prevent errors in neighboring storage
US11031961B2 (en) 2019-07-16 2021-06-08 Microsoft Technology Licensing, Llc Smart symbol changes for optimization of communications using error correction
US11044044B2 (en) 2019-07-16 2021-06-22 Microsoft Technology Licensing, Llc Peak to average power ratio reduction of optical systems utilizing error correction
US10911141B1 (en) * 2019-07-30 2021-02-02 Microsoft Technology Licensing, Llc Dynamically selecting a channel model for optical communications
JP2023003798A (ja) * 2021-06-24 2023-01-17 日本電気株式会社 信号変調装置及び信号変調方法
US12250100B2 (en) * 2022-02-14 2025-03-11 David E. Newman Selecting a modulation scheme responsive to fault types in 5G/6G
US11736320B2 (en) * 2022-02-14 2023-08-22 Ultralogic 6G, Llc Multiplexed amplitude-phase modulation for 5G/6G noise mitigation
US11881973B1 (en) * 2022-10-25 2024-01-23 Qualcomm Incorporated Multi-level balanced code for wireless communications

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226337B1 (en) 1993-09-10 2001-05-01 Deutsche Thomson-Brandt Gmbh Method for the transmission of reference signals in an OFDM system
US20010055320A1 (en) * 1994-12-15 2001-12-27 Pierzga Wayne Francis Multiplex communication
US6101168A (en) 1997-11-13 2000-08-08 Qualcomm Inc. Method and apparatus for time efficient retransmission using symbol accumulation
DE19837426C2 (de) * 1998-08-18 2001-12-06 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Senden von Informationssymbolen mittels einer Mehrzahl von Trägern und Verfahren und Vorrichtung zum Empfangen von Informationssymbolen
JP2001268049A (ja) 2000-03-15 2001-09-28 Matsushita Electric Ind Co Ltd データ伝送装置及びデータ伝送方法
US6731668B2 (en) 2001-01-05 2004-05-04 Qualcomm Incorporated Method and system for increased bandwidth efficiency in multiple input—multiple output channels
ATE261637T1 (de) 2001-02-21 2004-03-15 Matsushita Electric Industrial Co Ltd Hybrides arq-verfahren mit neuanordnung der signalkonstellation
US7133459B2 (en) 2001-05-01 2006-11-07 Texas Instruments Incorporated Space-time transmit diversity
US6738370B2 (en) * 2001-08-22 2004-05-18 Nokia Corporation Method and apparatus implementing retransmission in a communication system providing H-ARQ
KR100464325B1 (ko) * 2001-10-15 2005-01-03 삼성전자주식회사 이동통신시스템에서 패킷 재전송을 위한 송수신 장치 및 방법
KR100744347B1 (ko) 2001-10-29 2007-07-30 삼성전자주식회사 부호분할다중접속 이동통신시스템에서 데이터 송/수신장치 및 방법
DE10156822A1 (de) 2001-11-20 2003-05-28 Siemens Ag Verfahren zur effizienten Quadraturamplitudenmodulation, Funkkommunikationsgerät, Netzkomponente, Modulator sowie Funkkommunikationssystem
JP3490425B2 (ja) 2002-03-14 2004-01-26 松下電器産業株式会社 受信装置及び受信方法
US7609777B2 (en) * 2002-08-30 2009-10-27 Alcatel-Lucent Usa Inc. Maximum likelihood a posteriori probability detector
AU2002368296A1 (en) * 2002-10-18 2004-05-04 Matsushita Electric Industrial Co., Ltd. Constellation rearrangement for arq transmit diversity schemes
US7164727B2 (en) * 2002-10-18 2007-01-16 Matsushita Electric Industrial Co., Ltd. Constellation rearrangement for transmit diversity schemes
JP2004201035A (ja) * 2002-12-18 2004-07-15 Mitsubishi Electric Corp 配電線通信送信装置及び受信装置
US7340010B2 (en) * 2004-01-26 2008-03-04 Ibiquity Digital Corporation Forward error correction coding for hybrid AM in-band on-channel digital audio broadcasting systems
WO2006048061A1 (en) * 2004-11-03 2006-05-11 Matsushita Electric Industrial Co., Ltd. Method and transmitter structure removing phase ambiguity by repetition rearrangement

Also Published As

Publication number Publication date
US20110274212A1 (en) 2011-11-10
JP2011125047A (ja) 2011-06-23
WO2006048061A1 (en) 2006-05-11
JP5048138B2 (ja) 2012-10-17
JP2012213201A (ja) 2012-11-01
JP5048137B2 (ja) 2012-10-17
JP5420718B2 (ja) 2014-02-19
JP2008519513A (ja) 2008-06-05
US7965793B2 (en) 2011-06-21
JP2011125048A (ja) 2011-06-23
US8422589B2 (en) 2013-04-16
US20090034635A1 (en) 2009-02-05
JP4722135B2 (ja) 2011-07-13

Similar Documents

Publication Publication Date Title
RU2007120530A (ru) Способ снижения уровней неопределенности переданных символов
RU2504910C2 (ru) Способ, устройство и система для передачи информационных битов
JP5017736B2 (ja) 無線通信システムにおいて基準信号を割り当てるための方法及び装置
RU2006142317A (ru) Способ и устройство для передачи информации подтверждения восходящей линии связи в системе связи ofdma
CN110429962B (zh) 一种上行接入方法、装置及系统
RU2009135046A (ru) Эффективная восходящая обратная связь в системе беспроводной связи
RU2007120636A (ru) Способ и устройство передатчика, снижающие неоднозначность посредством перекомпоновки повтора в битовой области
CN101933300A (zh) 使用不平衡qpsk调制的时隙共享
KR20110093795A (ko) 다중 안테나 시스템에서 복수의 자원을 이용한 데이터 전송 방법 및 장치
US20060018297A1 (en) Channel tracking with scattered pilots
CN106464455A (zh) 传输信息的方法、终端设备、网络设备和装置
CN105323842A (zh) Ofdm系统中编码比特的功率分配
RU2007120531A (ru) Способ и структура передатчика, снижающие неопределенность за счет перестройки повторения в символьной области
US8761316B2 (en) Systems and methods for approximating log likelihood ratios in a communication system
CN116318544A (zh) 一种配置、接收方法、装置、设备及存储介质
USRE48603E1 (en) Method and device for allocating resource in an OFDM network
US8885737B2 (en) Decoding apparatus and decoding method
US20060156087A1 (en) Bit distributor for multicarrier communication systems employing adaptive bit loading for multiple spatial streams and methods
US8274941B2 (en) Apparatus and method for subcarrier scrambling
JP5904709B2 (ja) コミュニケーションシステムにおけるデータ変調
CN111869120B (zh) 用于发送符号的发送器及方法
US8305873B2 (en) Method and apparatus for transmitting sequence in wireless communication system
Devi et al. Analysis of Walsh-Hadamard transformation with CFBMC communication
JP6559844B2 (ja) アップリンクアクセス方法、装置、およびシステム
US11374726B2 (en) Method and testbed system for emulating a communication system with fast changing link condition