JP2003520463A - パイロット補助されたコヒーレントな復号によって、ターボ符号化された信号を復調するシステム及び方法 - Google Patents

パイロット補助されたコヒーレントな復号によって、ターボ符号化された信号を復調するシステム及び方法

Info

Publication number
JP2003520463A
JP2003520463A JP2000619171A JP2000619171A JP2003520463A JP 2003520463 A JP2003520463 A JP 2003520463A JP 2000619171 A JP2000619171 A JP 2000619171A JP 2000619171 A JP2000619171 A JP 2000619171A JP 2003520463 A JP2003520463 A JP 2003520463A
Authority
JP
Japan
Prior art keywords
signal
circuit
pilot
ratio
interference
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.)
Pending
Application number
JP2000619171A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003520463A5 (enExample
Inventor
リン、フーユン
シンデュシャヤナ、ナガブーシャナ・ティー
エステベス、エデュアルド・エー・エス
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of JP2003520463A publication Critical patent/JP2003520463A/ja
Publication of JP2003520463A5 publication Critical patent/JP2003520463A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • 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
    • H03M13/6337—Error control coding in combination with channel estimation
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
    • 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
    • H03M13/2957—Turbo codes and decoding
    • 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
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
    • H03M13/658—Scaling by multiplication or 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Error Detection And Correction (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP2000619171A 1999-05-13 2000-05-15 パイロット補助されたコヒーレントな復号によって、ターボ符号化された信号を復調するシステム及び方法 Pending JP2003520463A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/311,793 1999-05-13
US09/311,793 US6377607B1 (en) 1999-05-13 1999-05-13 System and method for performing accurate demodulation of turbo-encoded signals via pilot assisted coherent demodulation
PCT/US2000/013418 WO2000070836A1 (en) 1999-05-13 2000-05-15 System and method for the demodulation of turbo-encoded signals via pilot assisted coherent demodulation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010211239A Division JP2011050064A (ja) 1999-05-13 2010-09-21 パイロット補助されたコヒーレントな復号によって、ターボ符号化された信号を復調するシステム及び方法

Publications (2)

Publication Number Publication Date
JP2003520463A true JP2003520463A (ja) 2003-07-02
JP2003520463A5 JP2003520463A5 (enExample) 2010-06-17

Family

ID=23208501

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2000619171A Pending JP2003520463A (ja) 1999-05-13 2000-05-15 パイロット補助されたコヒーレントな復号によって、ターボ符号化された信号を復調するシステム及び方法
JP2010211239A Pending JP2011050064A (ja) 1999-05-13 2010-09-21 パイロット補助されたコヒーレントな復号によって、ターボ符号化された信号を復調するシステム及び方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2010211239A Pending JP2011050064A (ja) 1999-05-13 2010-09-21 パイロット補助されたコヒーレントな復号によって、ターボ符号化された信号を復調するシステム及び方法

Country Status (9)

Country Link
US (2) US6377607B1 (enExample)
EP (1) EP1177662A1 (enExample)
JP (2) JP2003520463A (enExample)
KR (1) KR100715917B1 (enExample)
CN (1) CN1251461C (enExample)
AU (1) AU4852300A (enExample)
BR (1) BR0010475A (enExample)
HK (1) HK1052597B (enExample)
WO (1) WO2000070836A1 (enExample)

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JP2003526987A (ja) * 2000-03-08 2003-09-09 クゥアルコム・インコーポレイテッド ターボ復号器に対する軟判定入力のメトリックを計算するための装置及び方法
JP2010516118A (ja) * 2007-01-05 2010-05-13 クゥアルコム・インコーポレイテッド 無線通信のための自動利得制御を用いたシンボルスケーリング

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JPN6009061323, Ｖａｌｅｎｔｉ， Ｍ．Ｃ．； Ｗｏｅｒｎｅｒ， Ｂ．Ｄ．；, "Ｒｅｆｉｎｅｄ ｃｈａｎｎｅｌ ｅｓｔｉｍａｔｉｏｎ ｆｏｒ ｃｏｈｅｒｅｎｔ ｄｅｔｅｃｔｉｏｎ ｏｆ ｔｕｒｂｏ ｃｏｄｅｓ ｏｖｅｒ ｆｌａｔ−ｆａｄｉｎｇ ｃｈａｎｎｅｌｓ", Ｅｌｅｃｔｒｏｎｉｃｓ Ｌｅｔｔｅｒｓ, 19980820, Ｖｏｌｕｍｅ ３４， Ｉｓｓｕｅ １７, ｐｐ．１６４８−１６４９, US, ＩＥＥＥ *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003526987A (ja) * 2000-03-08 2003-09-09 クゥアルコム・インコーポレイテッド ターボ復号器に対する軟判定入力のメトリックを計算するための装置及び方法
JP2010516118A (ja) * 2007-01-05 2010-05-13 クゥアルコム・インコーポレイテッド 無線通信のための自動利得制御を用いたシンボルスケーリング
US8149964B2 (en) 2007-01-05 2012-04-03 Qualcomm, Incorporated Symbol scaling with automatic gain control for wireless communication
JP2012178830A (ja) * 2007-01-05 2012-09-13 Qualcomm Inc 無線通信のための自動利得制御を用いたシンボルスケーリング

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KR20020089127A (ko) 2002-11-29
US6975669B2 (en) 2005-12-13
US6377607B1 (en) 2002-04-23
HK1052597A1 (en) 2003-09-19
CN1251461C (zh) 2006-04-12
HK1052597B (zh) 2006-11-24
WO2000070836A1 (en) 2000-11-23
BR0010475A (pt) 2003-07-15
EP1177662A1 (en) 2002-02-06
CN1413403A (zh) 2003-04-23
US20020097785A1 (en) 2002-07-25
JP2011050064A (ja) 2011-03-10
KR100715917B1 (ko) 2007-05-08
AU4852300A (en) 2000-12-05

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