CN1479982A - 移动通信系统、多载波码分多址发送装置及接收装置 - Google Patents

移动通信系统、多载波码分多址发送装置及接收装置 Download PDF

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Publication number
CN1479982A
CN1479982A CNA028032829A CN02803282A CN1479982A CN 1479982 A CN1479982 A CN 1479982A CN A028032829 A CNA028032829 A CN A028032829A CN 02803282 A CN02803282 A CN 02803282A CN 1479982 A CN1479982 A CN 1479982A
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CN
China
Prior art keywords
soft decision
reliability information
unit
mobile communication
communication system
Prior art date
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Pending
Application number
CNA028032829A
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English (en)
Chinese (zh)
Inventor
棚田一夫
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
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Mitsubishi Electric Corp
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Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN1479982A publication Critical patent/CN1479982A/zh
Pending legal-status Critical Current

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    • 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)
CNA028032829A 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 Pending CN1479982A (zh)

Applications Claiming Priority (2)

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
JP253222/2001 2001-08-23

Publications (1)

Publication Number Publication Date
CN1479982A true CN1479982A (zh) 2004-03-03

Family

ID=19081585

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA028032829A Pending 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

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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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
JP3947166B2 (ja) 2004-01-09 2007-07-18 株式会社東芝 通信システム、通信装置および通信方法
KR100594275B1 (ko) * 2004-05-14 2006-06-30 삼성전자주식회사 Ｎｔｓｃ 코채널 간섭 제거를 위한 채널 상태 생성 회로를구비한 디지털 텔레비전 수신기 및 그 방법
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US7672383B2 (en) 2004-09-17 2010-03-02 Qualcomm Incorporated Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling
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CN101258702B (zh) * 2005-12-12 2012-05-30 中兴通讯股份有限公司 码分多址系统中调整信道译码数据幅度的系统和方法
JP4899554B2 (ja) * 2006-03-16 2012-03-21 日本電気株式会社 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
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JP4945747B2 (ja) * 2006-05-30 2012-06-06 国立大学法人京都工芸繊維大学 非同期符号変調信号受信装置
JP4924201B2 (ja) * 2007-05-23 2012-04-25 日本電気株式会社 受信品質測定装置および受信品質測定方法
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
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Publication number Publication date
JP2003069531A (ja) 2003-03-07
EP1420531A1 (en) 2004-05-19
WO2003019832A1 (en) 2003-03-06
US20040037262A1 (en) 2004-02-26

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