CN1188955C - 接收多种重叠扩谱信号并对至少一种进行解码的接收机 - Google Patents

接收多种重叠扩谱信号并对至少一种进行解码的接收机 Download PDF

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Publication number
CN1188955C
CN1188955C CNB961998423A CN96199842A CN1188955C CN 1188955 C CN1188955 C CN 1188955C CN B961998423 A CNB961998423 A CN B961998423A CN 96199842 A CN96199842 A CN 96199842A CN 1188955 C CN1188955 C CN 1188955C
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CN
China
Prior art keywords
signal
spread spectrum
spread
spectrum
codes
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Expired - Lifetime
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CNB961998423A
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English (en)
Chinese (zh)
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CN1208517A (zh
Inventor
P·W·登特
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Ericsson Inc
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Ericsson Inc
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Publication of CN1208517A publication Critical patent/CN1208517A/zh
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Publication of CN1188955C publication Critical patent/CN1188955C/zh
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    • 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
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • 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
    • H04B1/71—Interference-related aspects the interference being narrowband interference
    • H04B1/7101—Interference-related aspects the interference being narrowband interference with estimation filters

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Noise Elimination (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CNB961998423A 1995-12-11 1996-12-10 接收多种重叠扩谱信号并对至少一种进行解码的接收机 Expired - Lifetime CN1188955C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/570,431 US5862173A (en) 1995-12-11 1995-12-11 Re-orthogonalization of wideband CDMA signals
US08/570,431 1995-12-11

Publications (2)

Publication Number Publication Date
CN1208517A CN1208517A (zh) 1999-02-17
CN1188955C true CN1188955C (zh) 2005-02-09

Family

ID=24279627

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB961998423A Expired - Lifetime CN1188955C (zh) 1995-12-11 1996-12-10 接收多种重叠扩谱信号并对至少一种进行解码的接收机

Country Status (11)

Country Link
US (1) US5862173A (2)
EP (2) EP0867077B1 (2)
JP (1) JP3753156B2 (2)
KR (1) KR100447550B1 (2)
CN (1) CN1188955C (2)
AU (1) AU715112B2 (2)
BR (1) BR9611934B1 (2)
CA (1) CA2239232C (2)
DE (2) DE69636940T2 (2)
SG (1) SG85665A1 (2)
WO (1) WO1997022185A2 (2)

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US6233272B1 (en) * 1996-03-19 2001-05-15 Yrp Mobile Telecommunications Key Technology Research Laboratories Co., Ltd. Spread spectrum communication receiver
GB2314237B (en) * 1996-06-11 2000-12-20 Plextek Ltd Communications system
FI104020B1 (fi) * 1997-06-23 1999-10-29 Nokia Telecommunications Oy Vastaanottomenetelmä ja vastaanotin
US6542561B1 (en) * 1998-01-21 2003-04-01 Sony Corporation Information receiving device and method
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
KR100268227B1 (ko) 1998-09-22 2000-10-16 윤종용 광대역 코드분할 다중접속 시스템의 이진 위상 천이 변조/구적위상 천이 변조 겸용 변조기
US6493405B1 (en) 1999-03-02 2002-12-10 Harris Corporation Correlator having enhanced memory for reference and input data
US6438182B1 (en) 1999-03-02 2002-08-20 Harris Corporation Correlator with serial-parallel partition
US6038271A (en) * 1999-03-02 2000-03-14 Harris Corporation Correlator with cascade data paths to facilitate expansion of correlator length
EP1517436B1 (en) * 1999-10-07 2016-05-04 Parkervision, Inc. Down converter using subsampling
US6934317B1 (en) 2000-10-11 2005-08-23 Ericsson Inc. Systems and methods for communicating spread spectrum signals using variable signal constellations
CA2356077A1 (en) * 2001-08-28 2003-02-28 Sirific Wireless Corporation Improved apparatus and method for down conversion
US7046720B2 (en) * 2001-11-12 2006-05-16 Telefonktiebolaget Lm Ericsson (Publ) System and method for DC offset compensation in a WCDMA receiver
CA2477310A1 (en) * 2002-02-25 2003-08-28 Sirific Wireless Corporation Frequency down converter using a multitone local oscillator
US20040087296A1 (en) * 2002-10-25 2004-05-06 Gct Semiconductor, Inc. Radio receiver and method for AM suppression and DC-offset removal
EP1630713B1 (en) * 2004-08-24 2020-05-20 Sony Deutschland GmbH Backscatter interrogator reception method and interrogator for a modulated backscatter system
US7502410B2 (en) * 2005-09-30 2009-03-10 Freescale Semiconductor, Inc. Method and system for controlling a notching mechanism
JP2007215100A (ja) * 2006-02-13 2007-08-23 Japan Radio Co Ltd 受信装置
US20090088106A1 (en) * 2007-09-27 2009-04-02 Nanoamp Solutions Inc. (Cayman) Radio frequency filtering
US20140369395A1 (en) * 2013-06-13 2014-12-18 Lsi Corporation Error Detection Based on Superheterodyne Conversion and Direct Downconversion
US10305651B2 (en) * 2014-10-03 2019-05-28 University Of South Florida Superposed signaling for bandwidth efficiency
CN105208565A (zh) * 2015-07-06 2015-12-30 国网天津市电力公司 用于微功率无线的区域覆盖电力通信专网的物理层构架
CN105071999A (zh) * 2015-07-06 2015-11-18 国网天津市电力公司 微功率无线的区域覆盖电力通信专网

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241702A (en) * 1990-09-06 1993-08-31 Telefonaktiebolaget L M Ericsson D.c. offset compensation in a radio receiver
US5151919A (en) * 1990-12-17 1992-09-29 Ericsson-Ge Mobile Communications Holding Inc. Cdma subtractive demodulation
US5218619A (en) * 1990-12-17 1993-06-08 Ericsson Ge Mobile Communications Holding, Inc. CDMA subtractive demodulation
US5105435A (en) * 1990-12-21 1992-04-14 Motorola, Inc. Method and apparatus for cancelling spread-spectrum noise
US5467367A (en) * 1991-06-07 1995-11-14 Canon Kabushiki Kaisha Spread spectrum communication apparatus and telephone exchange system
US5353352A (en) * 1992-04-10 1994-10-04 Ericsson Ge Mobile Communications Inc. Multiple access coding for radio communications
MX9301888A (es) * 1992-04-10 1993-11-30 Ericsson Telefon Ab L M Acceso multiple de division de tiempo para acceso de un movil en un sistema de acceso multiple de division de codigo.
US5224122A (en) * 1992-06-29 1993-06-29 Motorola, Inc. Method and apparatus for canceling spread-spectrum noise
US5323418A (en) * 1993-01-13 1994-06-21 Motorola, Inc. Code division multiple access (CDMA) inbound messaging system utilizing interference cancellation to recover inbound messages
US5553062A (en) * 1993-04-22 1996-09-03 Interdigital Communication Corporation Spread spectrum CDMA interference canceler system and method
US5546424A (en) * 1993-06-30 1996-08-13 Casio Computer Co., Ltd. Spread spectrum communication system
US5490165A (en) * 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
US5414728A (en) * 1993-11-01 1995-05-09 Qualcomm Incorporated Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels

Also Published As

Publication number Publication date
EP0867077B1 (en) 2002-09-25
JP3753156B2 (ja) 2006-03-08
DE69636940T2 (de) 2007-12-13
EP1271797A2 (en) 2003-01-02
BR9611934A (pt) 1999-06-29
DE69623988D1 (de) 2002-10-31
AU1335197A (en) 1997-07-03
AU715112B2 (en) 2000-01-20
BR9611934B1 (pt) 2008-11-18
DE69623988T2 (de) 2003-04-10
EP0867077A2 (en) 1998-09-30
EP1271797B1 (en) 2007-02-28
WO1997022185A2 (en) 1997-06-19
EP1271797A3 (en) 2003-04-16
CA2239232A1 (en) 1997-06-19
CA2239232C (en) 2006-02-21
US5862173A (en) 1999-01-19
SG85665A1 (en) 2002-01-15
KR19990072070A (ko) 1999-09-27
CN1208517A (zh) 1999-02-17
WO1997022185A3 (en) 1997-09-18
KR100447550B1 (ko) 2004-10-15
JP2000502226A (ja) 2000-02-22
DE69636940D1 (de) 2007-04-12

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