FI951102A0 - Datademodulointipiiri ja menetelmä hajaspektrikommunikaatioon - Google Patents

Datademodulointipiiri ja menetelmä hajaspektrikommunikaatioon

Info

Publication number
FI951102A0
FI951102A0 FI951102A FI951102A FI951102A0 FI 951102 A0 FI951102 A0 FI 951102A0 FI 951102 A FI951102 A FI 951102A FI 951102 A FI951102 A FI 951102A FI 951102 A0 FI951102 A0 FI 951102A0
Authority
FI
Finland
Prior art keywords
spread spectrum
demodulation circuit
spectrum communication
data demodulation
communication
Prior art date
Application number
FI951102A
Other languages
English (en)
Swedish (sv)
Other versions
FI951102A (fi
Inventor
Hideshi Murai
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FI951102A0 publication Critical patent/FI951102A0/fi
Publication of FI951102A publication Critical patent/FI951102A/fi

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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/01—Reducing phase shift

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
FI951102A 1994-03-09 1995-03-09 Datademodulointipiiri ja menetelmä hajaspektrikommunikaatioon FI951102A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3870294A JP2938337B2 (ja) 1994-03-09 1994-03-09 スペクトル拡散通信用データ復調回路

Publications (2)

Publication Number Publication Date
FI951102A0 true FI951102A0 (fi) 1995-03-09
FI951102A FI951102A (fi) 1995-09-10

Family

ID=12532652

Family Applications (1)

Application Number Title Priority Date Filing Date
FI951102A FI951102A (fi) 1994-03-09 1995-03-09 Datademodulointipiiri ja menetelmä hajaspektrikommunikaatioon

Country Status (9)

Country Link
US (1) US5787112A (fi)
EP (1) EP0671820B1 (fi)
JP (1) JP2938337B2 (fi)
KR (1) KR0169021B1 (fi)
CN (1) CN1071965C (fi)
CA (1) CA2141654C (fi)
DE (1) DE69528301T2 (fi)
FI (1) FI951102A (fi)
NO (1) NO950745L (fi)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0776105B1 (en) * 1995-06-13 2004-08-25 NTT DoCoMo, Inc. Cdma demodulator
US5978413A (en) * 1995-08-28 1999-11-02 Bender; Paul E. Method and system for processing a plurality of multiple access transmissions
JP3200547B2 (ja) * 1995-09-11 2001-08-20 株式会社日立製作所 Ｃｄｍａ方式移動通信システム
JP3452735B2 (ja) * 1996-08-09 2003-09-29 株式会社鷹山 スペクトル拡散通信のパスダイバシティ受信方法および装置
JPH1070497A (ja) * 1996-08-27 1998-03-10 Saitama Nippon Denki Kk ダイバーシチ方式無線装置の受信信号合成方法
US6335954B1 (en) * 1996-12-27 2002-01-01 Ericsson Inc. Method and apparatus for joint synchronization of multiple receive channels
US5982809A (en) * 1997-01-23 1999-11-09 Cwill Telecommunications, Inc. Method and apparatus for carrier recovery and compensation in spread spectrum communications
US6125136A (en) * 1997-12-31 2000-09-26 Sony Corporation Method and apparatus for demodulating trellis coded direct sequence spread spectrum communication signals
US6389085B1 (en) * 1998-01-14 2002-05-14 Wavecom Electronics Inc. Receiver combiner for spatial diversity digital communications
US6498784B1 (en) 1998-10-20 2002-12-24 Interdigital Technology Corporation Cancellation of pilot and traffic signals
CA2282800C (en) * 1998-11-09 2007-07-31 Lucent Technologies Inc. A coherent combining/noncoherent detection (ccnd) method and apparatus for detecting a pilot signal in a wireless communication system
US6470005B1 (en) * 1998-12-29 2002-10-22 Thomson Licensing Sa Transceiver prerotation based on carrier offset
IL128262A0 (en) * 1999-01-28 1999-11-30 Israel State Dsss receiver
JP3904754B2 (ja) * 1999-02-25 2007-04-11 富士通株式会社 符号分割多重通信における送信装置、受信装置及びその方法
US6480528B1 (en) * 1999-06-11 2002-11-12 Qualcomm Incorporated Automatic gain control for improved decoding of multi-carrier signal
US6570909B1 (en) 1999-07-09 2003-05-27 Nokia Mobile Phones Interference suppression in a CDMA receiver
ATE269607T1 (de) * 2000-04-07 2004-07-15 Cit Alcatel Empfänger für ein cdma mobilfunkkommunikationssystem
US7346135B1 (en) 2002-02-13 2008-03-18 Marvell International, Ltd. Compensation for residual frequency offset, phase noise and sampling phase offset in wireless networks
US7263153B2 (en) 2002-10-09 2007-08-28 Marvell International, Ltd. Clock offset compensator
US7246192B1 (en) 2003-01-10 2007-07-17 Marvell International Ltd. Serial/parallel ATA controller and converter
KR100575938B1 (ko) * 2003-03-13 2006-05-02 한국과학기술원 이동통신시스템에서 주파수 오프셋 보상장치 및 방법
US8930583B1 (en) 2003-09-18 2015-01-06 Marvell Israel (M.I.S.L) Ltd. Method and apparatus for controlling data transfer in a serial-ATA system
US20060200510A1 (en) * 2005-01-31 2006-09-07 Wang Cindy C Precision cordic processor
CN1333533C (zh) * 2005-05-16 2007-08-22 北京北方烽火科技有限公司 直接序列扩频移动通信系统的频率补偿方法
US20070111111A1 (en) * 2005-11-15 2007-05-17 Yokogawa Electric Corporation Light measurement apparatus and light measurement method
CN101779509A (zh) * 2007-08-14 2010-07-14 松下电器产业株式会社 无线通信系统、调度方法、无线基站装置以及无线终端装置
WO2009137957A1 (zh) 2008-05-16 2009-11-19 Yang Shitong 精密电阻焊点焊机
CN101610108B (zh) * 2009-07-15 2012-07-04 电信科学技术第一研究所 改善数字扩频接收机载波相位抖动和波形畸变的方法
CN115567169A (zh) * 2022-12-06 2023-01-03 成都航天通信设备有限责任公司 一种低编码速率下的解调译码方法、系统、设备及存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
JPH03145833A (ja) * 1989-10-31 1991-06-21 Mitsubishi Electric Corp スペクトル拡散信号の復調装置
GB2240240A (en) * 1990-01-19 1991-07-24 Philips Electronic Associated Radio receiver for direct sequence spread spectrum signals
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
DE4127501A1 (de) * 1990-09-07 1992-03-12 Telefunken Systemtechnik Verfahren zur erkennung der frequenzablage bei digitalen nachrichtenuebertragungen
JP2771757B2 (ja) * 1992-06-29 1998-07-02 三菱電機株式会社 スペクトル拡散通信用受信装置のデータ復調回路
US5224122A (en) * 1992-06-29 1993-06-29 Motorola, Inc. Method and apparatus for canceling spread-spectrum noise
US5276705A (en) * 1993-01-06 1994-01-04 The Boeing Company CCD demodulator/correlator

Also Published As

Publication number Publication date
CA2141654A1 (en) 1995-09-10
DE69528301T2 (de) 2003-05-22
KR0169021B1 (ko) 1999-02-01
JPH07250008A (ja) 1995-09-26
CN1114808A (zh) 1996-01-10
CN1071965C (zh) 2001-09-26
NO950745D0 (no) 1995-02-27
JP2938337B2 (ja) 1999-08-23
CA2141654C (en) 1999-08-24
FI951102A (fi) 1995-09-10
DE69528301D1 (de) 2002-10-31
EP0671820A2 (en) 1995-09-13
EP0671820A3 (en) 1999-06-09
EP0671820B1 (en) 2002-09-25
US5787112A (en) 1998-07-28
NO950745L (no) 1995-09-11

Similar Documents

Publication Publication Date Title
FI951102A0 (fi) Datademodulointipiiri ja menetelmä hajaspektrikommunikaatioon
FI955852A (fi) Menetelmä ja järjestely radiotietoliikennettä varten
DE69533022D1 (de) Cdma demodulationsschaltung und -verfahren
ID18020A (id) Peralatan komunikasi data dan metodenya
FI963420A (fi) Suojattu henkilökohtainen radioviestinjärjestelmä ja menetelmä
DE69719886T2 (de) Orthogonales Modulationsverfahren
FI942334A (fi) Laite henkilökohtaiseen viestintään, tietojenkeruuseen ja -käsittelyyn ja piirikortti
FI980321A (fi) Tiedonsiirtomenetelmä ja radiojärjestelmä
DE69842041D1 (de) Datenübertragungsvorrichtung und -verfahren
FI981939A0 (fi) RAKE-vastaanotin ja sormienhallintamenetelmä hajaspektritietoliikenteessä
DE69730238D1 (de) Kommunikationssystem und -verfahren
EE9500006A (et) Andmete edastamise meetod ja interfeisseade
DE69820143D1 (de) Datenverarbeitungsgerät und -verfahren
DE69630784D1 (de) Datenverarbeitungsgerät und -verfahren
EP0687074A3 (en) Spread spectrum transmission method
DE69623284D1 (de) Datenverarbeitungsgerät und -verfahren
EE200000128A (et) Raadiosides kasutatav seade ja meetod
DE69732607D1 (de) Übertragungseinrichtung und -verfahren
EE9700109A (et) Telekommunikatsiooni meetod ja seade
DE69617677D1 (de) Datenverarbeitungsgerät und -verfahren
DE69500794T2 (de) FM-Modulationsverfahren und -schaltung
ID20387A (id) Metode komunikasi data dan peralatan komunikasi data
FI963455A (fi) Datasiirtomenetelmä ja -laitteisto
FI973800A (fi) Pienen vahvistuksen hajaspektritietoliikennejärjestelmä ja - menetelmä
DE69622387T2 (de) Datenkommunikationsgerät und -verfahren