JP4424882B2 - 多重選択コヒーレント検波のための方法及び装置 - Google Patents

多重選択コヒーレント検波のための方法及び装置 Download PDF

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Publication number
JP4424882B2
JP4424882B2 JP2001540549A JP2001540549A JP4424882B2 JP 4424882 B2 JP4424882 B2 JP 4424882B2 JP 2001540549 A JP2001540549 A JP 2001540549A JP 2001540549 A JP2001540549 A JP 2001540549A JP 4424882 B2 JP4424882 B2 JP 4424882B2
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coherent
nmulticoh
results
adjustment
result
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Expired - Lifetime
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Japanese (ja)
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JP2003515996A5 (US20070244113A1-20071018-C00087.png
JP2003515996A (ja
Inventor
化加 李
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of JP2003515996A5 publication Critical patent/JP2003515996A5/ja
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7113Determination of path profile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/709Correlator structure
    • H04B1/7093Matched filter type

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP2001540549A 1999-11-25 2000-06-12 多重選択コヒーレント検波のための方法及び装置 Expired - Lifetime JP4424882B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN99124113A CN1124728C (zh) 1999-11-25 1999-11-25 一种多选择相干检测方法
CN99124113.4 1999-11-25
PCT/CN2000/000151 WO2001039530A1 (fr) 1999-11-25 2000-06-12 Procede de detection coherente par multi-selection et dispositif associe

Publications (3)

Publication Number Publication Date
JP2003515996A JP2003515996A (ja) 2003-05-07
JP2003515996A5 JP2003515996A5 (US20070244113A1-20071018-C00087.png) 2006-12-14
JP4424882B2 true JP4424882B2 (ja) 2010-03-03

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JP2001540549A Expired - Lifetime JP4424882B2 (ja) 1999-11-25 2000-06-12 多重選択コヒーレント検波のための方法及び装置

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US (1) US6907087B1 (US20070244113A1-20071018-C00087.png)
JP (1) JP4424882B2 (US20070244113A1-20071018-C00087.png)
KR (1) KR100659440B1 (US20070244113A1-20071018-C00087.png)
CN (1) CN1124728C (US20070244113A1-20071018-C00087.png)
AU (1) AU5205300A (US20070244113A1-20071018-C00087.png)
WO (1) WO2001039530A1 (US20070244113A1-20071018-C00087.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070110140A1 (en) * 2005-11-14 2007-05-17 Ipwireless, Inc. Automatic selection of coherent and noncoherent transmission in a wireless communication system
CN101321015B (zh) * 2008-06-20 2011-02-09 中国科学院上海光学精密机械研究所 全数字化的脉冲位置调制信号接收机及接收方法
JP5659668B2 (ja) * 2010-09-30 2015-01-28 大日本印刷株式会社 ガスバリア性フィルム積層体、及び包装袋
JP5659669B2 (ja) * 2010-09-30 2015-01-28 大日本印刷株式会社 ガスバリア性フィルム積層体、及び包装袋

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017883A (en) * 1990-07-31 1991-05-21 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multiple symbol differential detection
JP3118548B2 (ja) 1994-06-22 2000-12-18 株式会社エヌ・ティ・ティ・ドコモ ディジタル通信受信機用同期検波装置および同期方法
US5440265A (en) * 1994-09-14 1995-08-08 Sicom, Inc. Differential/coherent digital demodulator operating at multiple symbol points
US5691974A (en) * 1995-01-04 1997-11-25 Qualcomm Incorporated Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
FR2733113B1 (fr) * 1995-04-14 1997-06-13 Europ Agence Spatiale Recepteur de signal a spectre etale
US5764687A (en) * 1995-06-20 1998-06-09 Qualcomm Incorporated Mobile demodulator architecture for a spread spectrum multiple access communication system
US5910950A (en) * 1996-08-16 1999-06-08 Lucent Technologies Inc. Demodulator phase correction for code division multiple access receiver
SG77607A1 (en) * 1997-08-26 2001-01-16 Univ Singapore A multi-user code division multiple access receiver

Also Published As

Publication number Publication date
KR100659440B1 (ko) 2006-12-18
CN1124728C (zh) 2003-10-15
WO2001039530A1 (fr) 2001-05-31
AU5205300A (en) 2001-06-04
US6907087B1 (en) 2005-06-14
KR20010092445A (ko) 2001-10-25
JP2003515996A (ja) 2003-05-07
CN1298206A (zh) 2001-06-06

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