JP4177901B2 - スペクトラム拡散雑音を低減するための方法及び装置 - Google Patents

スペクトラム拡散雑音を低減するための方法及び装置 Download PDF

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JP4177901B2
JP4177901B2 JP54537298A JP54537298A JP4177901B2 JP 4177901 B2 JP4177901 B2 JP 4177901B2 JP 54537298 A JP54537298 A JP 54537298A JP 54537298 A JP54537298 A JP 54537298A JP 4177901 B2 JP4177901 B2 JP 4177901B2
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signal
component
user
transmission
interference
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JP2001523408A5 (enExample
JP2001523408A (ja
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イェリン、ダニエル
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ディーエスピーシー・テクノロジーズ・リミテッド
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • 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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
JP54537298A 1997-03-26 1998-03-23 スペクトラム拡散雑音を低減するための方法及び装置 Expired - Fee Related JP4177901B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL12053897A IL120538A (en) 1997-03-26 1997-03-26 Method and apparatus for reducing spread-spectrum noise
IL120538 1997-03-26
PCT/IL1998/000129 WO1998043362A2 (en) 1997-03-26 1998-03-23 Method and apparatus for reducing spread-spectrum noise

Publications (3)

Publication Number Publication Date
JP2001523408A JP2001523408A (ja) 2001-11-20
JP2001523408A5 JP2001523408A5 (enExample) 2005-09-08
JP4177901B2 true JP4177901B2 (ja) 2008-11-05

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JP54537298A Expired - Fee Related JP4177901B2 (ja) 1997-03-26 1998-03-23 スペクトラム拡散雑音を低減するための方法及び装置

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Country Link
US (1) US6034986A (enExample)
EP (1) EP0970573A4 (enExample)
JP (1) JP4177901B2 (enExample)
KR (1) KR100781415B1 (enExample)
AU (1) AU6417498A (enExample)
CA (1) CA2283848A1 (enExample)
IL (1) IL120538A (enExample)
WO (1) WO1998043362A2 (enExample)

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US6680727B2 (en) * 2000-10-17 2004-01-20 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a CDMA communication system
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JP2002232397A (ja) * 2001-01-31 2002-08-16 Ntt Docomo Inc 移動通信システムにおける受信処理方法及び受信装置
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US7697594B2 (en) * 2001-03-30 2010-04-13 Texas Instruments Incorporated Method and apparatus for regenerative based interference cancellation within a communication system
US6996159B2 (en) * 2001-05-17 2006-02-07 Intel Corporation Reducing spread spectrum noise
JP3345406B1 (ja) * 2001-05-25 2002-11-18 松下電器産業株式会社 無線受信装置及び無線受信方法
US8611311B2 (en) * 2001-06-06 2013-12-17 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a wireless communication system
US7190749B2 (en) * 2001-06-06 2007-03-13 Qualcomm Incorporated Method and apparatus for canceling pilot interference in a wireless communication system
US7450631B2 (en) * 2001-10-26 2008-11-11 Intel Corporation Metric correction for multi user detection, for long codes DS-CDMA
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US7215705B2 (en) * 2003-03-17 2007-05-08 Intel Corporation Reducing phase noise in phase-encoded communications signals
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WO2005011167A1 (ja) * 2003-07-29 2005-02-03 Fujitsu Limited Ofdmシステムにおけるパイロット多重方法及び送受信装置
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US8422955B2 (en) * 2004-12-23 2013-04-16 Qualcomm Incorporated Channel estimation for interference cancellation
US8099123B2 (en) * 2004-12-23 2012-01-17 Qualcomm Incorporated Adaptation of transmit subchannel gains in a system with interference cancellation
US8406695B2 (en) * 2004-12-23 2013-03-26 Qualcomm Incorporated Joint interference cancellation of pilot, overhead and traffic channels
US8442441B2 (en) * 2004-12-23 2013-05-14 Qualcomm Incorporated Traffic interference cancellation
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Also Published As

Publication number Publication date
EP0970573A2 (en) 2000-01-12
IL120538A (en) 2000-11-21
CA2283848A1 (en) 1998-10-01
KR100781415B1 (ko) 2007-12-03
IL120538A0 (en) 1997-07-13
EP0970573A4 (en) 2000-05-17
KR20010005687A (ko) 2001-01-15
WO1998043362A2 (en) 1998-10-01
US6034986A (en) 2000-03-07
AU6417498A (en) 1998-10-20
WO1998043362A3 (en) 1999-02-11
JP2001523408A (ja) 2001-11-20

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