JP2003069531A - 移動体通信システム、マルチキャリアｃｄｍａ送信装置およびマルチキャリアｃｄｍａ受信装置 - Google Patents

移動体通信システム、マルチキャリアｃｄｍａ送信装置およびマルチキャリアｃｄｍａ受信装置

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Publication number
JP2003069531A
JP2003069531A JP2001253222A JP2001253222A JP2003069531A JP 2003069531 A JP2003069531 A JP 2003069531A JP 2001253222 A JP2001253222 A JP 2001253222A JP 2001253222 A JP2001253222 A JP 2001253222A JP 2003069531 A JP2003069531 A JP 2003069531A
Authority
JP
Japan
Prior art keywords
soft decision
signal
unit
subcarrier
value
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
JP2001253222A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003069531A5 (enExample
Inventor
Kazuo Tanada
一夫 棚田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2001253222A priority Critical patent/JP2003069531A/ja
Priority to US10/451,102 priority patent/US20040037262A1/en
Priority to EP20020758788 priority patent/EP1420531A1/en
Priority to CNA028032829A priority patent/CN1479982A/zh
Priority to PCT/JP2002/008031 priority patent/WO2003019832A1/ja
Publication of JP2003069531A publication Critical patent/JP2003069531A/ja
Publication of JP2003069531A5 publication Critical patent/JP2003069531A5/ja
Withdrawn legal-status Critical Current

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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/692—Hybrid techniques using combinations of two or more spread spectrum techniques
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • 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
    • H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • 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
    • H04L1/0046—Code rate detection or code type detection
    • 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
    • H04L1/0064—Concatenated codes
    • H04L1/0066—Parallel concatenated 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
    • H04L1/20—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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
    • H04L5/026—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA] using code division
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
JP2001253222A 2001-08-23 2001-08-23 移動体通信システム、マルチキャリアｃｄｍａ送信装置およびマルチキャリアｃｄｍａ受信装置 Withdrawn JP2003069531A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001253222A JP2003069531A (ja) 2001-08-23 2001-08-23 移動体通信システム、マルチキャリアｃｄｍａ送信装置およびマルチキャリアｃｄｍａ受信装置
US10/451,102 US20040037262A1 (en) 2001-08-23 2002-08-06 Mobile communication system mult-icarrier cdma transmitting apparatus and multi-carrier cdma reception apparatus
EP20020758788 EP1420531A1 (en) 2001-08-23 2002-08-06 MOBILE BODY COMMUNICATION SYSTEM, MULTI−CARRIER CDMA TRANSMISSION APPARATUS, AND MULTI−CARRIER CDMA RECEPTION APPARATUS
CNA028032829A CN1479982A (zh) 2001-08-23 2002-08-06 移动通信系统、多载波码分多址发送装置及接收装置
PCT/JP2002/008031 WO2003019832A1 (en) 2001-08-23 2002-08-06 Mobile body communication system, multi-carrier cdma transmission apparatus, and multi-carrier cdma reception apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001253222A JP2003069531A (ja) 2001-08-23 2001-08-23 移動体通信システム、マルチキャリアｃｄｍａ送信装置およびマルチキャリアｃｄｍａ受信装置

Publications (2)

Publication Number Publication Date
JP2003069531A true JP2003069531A (ja) 2003-03-07
JP2003069531A5 JP2003069531A5 (enExample) 2004-09-16

Family

ID=19081585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001253222A Withdrawn JP2003069531A (ja) 2001-08-23 2001-08-23 移動体通信システム、マルチキャリアｃｄｍａ送信装置およびマルチキャリアｃｄｍａ受信装置

Country Status (5)

Country Link
US (1) US20040037262A1 (enExample)
EP (1) EP1420531A1 (enExample)
JP (1) JP2003069531A (enExample)
CN (1) CN1479982A (enExample)
WO (1) WO2003019832A1 (enExample)

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JP2005020076A (ja) * 2003-06-23 2005-01-20 Toshiba Corp 通信方法、送信装置および受信装置
WO2005011164A1 (ja) * 2003-07-29 2005-02-03 Fujitsu Limited 通信システムにおける受信装置
WO2005011172A1 (ja) * 2003-07-28 2005-02-03 Matsushita Electric Industrial Co., Ltd. 無線通信装置および無線通信方法
WO2005013525A1 (ja) * 2003-07-31 2005-02-10 Matsushita Electric Industrial Co., Ltd. 無線送信装置および変調方式選択方法
JP2007074617A (ja) * 2005-09-09 2007-03-22 Oki Electric Ind Co Ltd 尤度補正器及び尤度補正方法
JP2007513545A (ja) * 2003-11-28 2007-05-24 テールズ 非拡散伝送システムの容量増強方法及び装置
JP2007519287A (ja) * 2003-12-19 2007-07-12 三菱電機株式会社 直交周波数分割多重変調を使用して超広帯域信号を通信する方法および送信機
JP2007251620A (ja) * 2006-03-16 2007-09-27 Nec Corp 無線通信システム、無線通信方法、及びその信号処理プログラム
WO2007108469A1 (ja) * 2006-03-20 2007-09-27 Ntt Docomo, Inc. チャネル符号化及び復号化を行うための装置及び方法
JP2007324704A (ja) * 2006-05-30 2007-12-13 Kyoto Institute Of Technology 非同期符号変調信号受信装置
US7369511B2 (en) 2004-01-09 2008-05-06 Kabushiki Kaisha Toshiba Communication method, communication apparatus, and communication system
JP2008294631A (ja) * 2007-05-23 2008-12-04 Nec Corp 受信品質測定装置および受信品質測定方法
WO2009081860A1 (ja) * 2007-12-20 2009-07-02 Sharp Kabushiki Kaisha 無線通信システム、受信装置、受信方法
JP2012005078A (ja) * 2010-06-21 2012-01-05 Ntt Docomo Inc 送信電力制御方法、移動端末装置及び無線基地局装置

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JP4323103B2 (ja) * 2001-02-20 2009-09-02 三菱電機株式会社 移動体通信システム、マルチキャリアｃｄｍａ送信装置およびマルチキャリアｃｄｍａ受信装置
TW200307432A (en) * 2002-04-15 2003-12-01 Matsushita Electric Industrial Co Ltd The receiving device and the method thereof
US7359446B2 (en) * 2003-08-13 2008-04-15 Lucent Technologies Inc. Methods and devices for decoding signals containing noise and distortion
US7349495B2 (en) * 2003-09-25 2008-03-25 Intel Corporation Soft bits normalization apparatus, method, and system
US20050152316A1 (en) * 2004-01-08 2005-07-14 Chien-Hsing Liao CDMA transmitting and receiving apparatus with multiple applied interface functions and a method thereof
KR100594275B1 (ko) * 2004-05-14 2006-06-30 삼성전자주식회사 Ｎｔｓｃ 코채널 간섭 제거를 위한 채널 상태 생성 회로를구비한 디지털 텔레비전 수신기 및 그 방법
TWI248742B (en) * 2004-08-23 2006-02-01 Realtek Semiconductor Corp Channel estimator and related method for smoothing channel responses of a multi-carrier system
US7672383B2 (en) * 2004-09-17 2010-03-02 Qualcomm Incorporated Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling
US7949062B2 (en) * 2004-12-11 2011-05-24 Electronics And Telecommunications Research Institute Encoding system using a non-binary turbo code and an encoding method thereof
WO2006077620A1 (ja) * 2005-01-18 2006-07-27 Fujitsu Limited Ofdm-cdma通信システムにおける送信方法および送信装置
CN101278585A (zh) * 2005-09-30 2008-10-01 松下电器产业株式会社 无线通信移动台装置以及随机接入信道数据发送方法
JP4539539B2 (ja) * 2005-11-18 2010-09-08 株式会社デンソー 軟判定値補正方法，受信装置，プログラム
WO2007068138A1 (en) * 2005-12-12 2007-06-21 Zte Corporation A system and method for adjusting amplitude of the channel decoded data in cdma system
DE102007055527A1 (de) * 2007-06-21 2008-12-24 Rohde & Schwarz Gmbh & Co. Kg Kommunikationssystem und Verfahren zum Anpassen von Übertragungsparametern auf Basis von Zuverlässigkeitsinformationen rekonstruierter Daten
KR100885300B1 (ko) 2007-07-03 2009-02-23 한국전자통신연구원 주파수 다이버시티를 가지는 주파수 선택적 기저대역의주파수 변복조 장치 및 방법, 이를 이용한 송수신 장치
US20090129444A1 (en) * 2007-11-20 2009-05-21 Juinn-Horng Deng Multi-code multicarrier code division multiple access system in frequency-selective fading channels
US9363126B2 (en) * 2007-12-21 2016-06-07 Google Technology Holdings LLC Method and apparatus for IFDMA receiver architecture
KR101436505B1 (ko) * 2008-01-03 2014-09-02 삼성전자주식회사 메모리 장치
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JP2005020076A (ja) * 2003-06-23 2005-01-20 Toshiba Corp 通信方法、送信装置および受信装置
US8379620B2 (en) 2003-07-28 2013-02-19 Panasonic Corporation Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band
US9900890B2 (en) 2003-07-28 2018-02-20 Optis Wireless Technology, Llc Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band
US7751369B2 (en) 2003-07-28 2010-07-06 Panasonic Corporation Radio communication apparatus and radio communication method
US8948114B2 (en) 2003-07-28 2015-02-03 Panasonic Intellectual Property Corporation Of America Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band
US7860051B2 (en) 2003-07-28 2010-12-28 Panasonic Corporation Apparatus and method for radio communication using spatial multiplexing
US10966203B2 (en) 2003-07-28 2021-03-30 Optis Wireless Technology, Llc Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band
US8428040B2 (en) 2003-07-28 2013-04-23 Panasonic Corporation Reception apparatus and reception method for setting a format per divided band
US8009656B2 (en) 2003-07-28 2011-08-30 Panasonic Corporation Apparatus and method for providing feedback information in response to subcarrier reception
WO2005011172A1 (ja) * 2003-07-28 2005-02-03 Matsushita Electric Industrial Co., Ltd. 無線通信装置および無線通信方法
US10555305B2 (en) 2003-07-28 2020-02-04 Optis Wireless Technology, Llc Transmission apparatus and transmission method using a plurality of divided frequency bands in a communication band
WO2005011164A1 (ja) * 2003-07-29 2005-02-03 Fujitsu Limited 通信システムにおける受信装置
US7376196B2 (en) 2003-07-29 2008-05-20 Fujitsu Limited Receiving apparatus in communication system
US7308052B2 (en) 2003-07-31 2007-12-11 Matsushita Electrical Industrial Co., Ltd. Radio transmitter apparatus and modulation scheme selecting method
US8140037B2 (en) 2003-07-31 2012-03-20 Panasonic Corporation Wireless transmission apparatus and modulation scheme selection method
US7848722B2 (en) 2003-07-31 2010-12-07 Panasonic Corporation Wireless transmission apparatus and modulation scheme selection method
US8682267B2 (en) 2003-07-31 2014-03-25 Harris Corporation Wireless communication apparatus and wireless communication method
WO2005013525A1 (ja) * 2003-07-31 2005-02-10 Matsushita Electric Industrial Co., Ltd. 無線送信装置および変調方式選択方法
JP2007513545A (ja) * 2003-11-28 2007-05-24 テールズ 非拡散伝送システムの容量増強方法及び装置
JP2007519287A (ja) * 2003-12-19 2007-07-12 三菱電機株式会社 直交周波数分割多重変調を使用して超広帯域信号を通信する方法および送信機
EP2017994A2 (en) 2004-01-09 2009-01-21 Kabushiki Kaisha Toshiba Communication method, communication apparatus and communication system
US7369511B2 (en) 2004-01-09 2008-05-06 Kabushiki Kaisha Toshiba Communication method, communication apparatus, and communication system
US8379545B2 (en) 2004-01-09 2013-02-19 Kabushiki Kaisha Toshiba Communication method, communication apparatus, and communication system
JP2007074617A (ja) * 2005-09-09 2007-03-22 Oki Electric Ind Co Ltd 尤度補正器及び尤度補正方法
JP2007251620A (ja) * 2006-03-16 2007-09-27 Nec Corp 無線通信システム、無線通信方法、及びその信号処理プログラム
WO2007108469A1 (ja) * 2006-03-20 2007-09-27 Ntt Docomo, Inc. チャネル符号化及び復号化を行うための装置及び方法
JP2007258841A (ja) * 2006-03-20 2007-10-04 Ntt Docomo Inc チャネル符号化及び復号化を行うための装置及び方法
JP2007324704A (ja) * 2006-05-30 2007-12-13 Kyoto Institute Of Technology 非同期符号変調信号受信装置
JP2008294631A (ja) * 2007-05-23 2008-12-04 Nec Corp 受信品質測定装置および受信品質測定方法
US8494080B2 (en) 2007-12-20 2013-07-23 Sharp Kabushiki Kaisha Radio communication system, reception device, and reception method
JP2009152877A (ja) * 2007-12-20 2009-07-09 Sharp Corp 無線通信システム、受信装置、受信方法
WO2009081860A1 (ja) * 2007-12-20 2009-07-02 Sharp Kabushiki Kaisha 無線通信システム、受信装置、受信方法
JP2012005078A (ja) * 2010-06-21 2012-01-05 Ntt Docomo Inc 送信電力制御方法、移動端末装置及び無線基地局装置
US8942203B2 (en) 2010-06-21 2015-01-27 Ntt Docomo, Inc. Transmission power control method, mobile terminal apparatus and radio base station apparatus

Also Published As

Publication number Publication date
US20040037262A1 (en) 2004-02-26
CN1479982A (zh) 2004-03-03
EP1420531A1 (en) 2004-05-19
WO2003019832A1 (en) 2003-03-06

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