DE69531020D1 - Verfahren und Einrichtung zur sequentiellen Unterdrückung von Vielfachzugriffstörungen in einem CDMA-Empfänger - Google Patents

Verfahren und Einrichtung zur sequentiellen Unterdrückung von Vielfachzugriffstörungen in einem CDMA-Empfänger

Info

Publication number
DE69531020D1
DE69531020D1 DE69531020T DE69531020T DE69531020D1 DE 69531020 D1 DE69531020 D1 DE 69531020D1 DE 69531020 T DE69531020 T DE 69531020T DE 69531020 T DE69531020 T DE 69531020T DE 69531020 D1 DE69531020 D1 DE 69531020D1
Authority
DE
Germany
Prior art keywords
multiple access
cdma receiver
access interference
sequential suppression
suppression
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.)
Expired - Lifetime
Application number
DE69531020T
Other languages
English (en)
Other versions
DE69531020T2 (de
Inventor
Hiroki Sugimoto
Ikuo Kawasumi
Kenji Horiguchi
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.)
Canon Inc
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Publication of DE69531020D1 publication Critical patent/DE69531020D1/de
Application granted granted Critical
Publication of DE69531020T2 publication Critical patent/DE69531020T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04B1/7103Interference-related aspects the interference being multiple access interference
    • H04B1/7107Subtractive interference cancellation
    • H04B1/71072Successive interference cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69531020T 1994-03-10 1995-03-10 Verfahren und Einrichtung zur sequentiellen Unterdrückung von Vielfachzugriffstörungen in einem CDMA-Empfänger Expired - Lifetime DE69531020T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3942194 1994-03-10
JP3942194 1994-03-10

Publications (2)

Publication Number Publication Date
DE69531020D1 true DE69531020D1 (de) 2003-07-17
DE69531020T2 DE69531020T2 (de) 2004-04-29

Family

ID=12552526

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69531020T Expired - Lifetime DE69531020T2 (de) 1994-03-10 1995-03-10 Verfahren und Einrichtung zur sequentiellen Unterdrückung von Vielfachzugriffstörungen in einem CDMA-Empfänger

Country Status (4)

Country Link
US (1) US5579304A (de)
EP (1) EP0676874B1 (de)
KR (1) KR950035142A (de)
DE (1) DE69531020T2 (de)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553062A (en) 1993-04-22 1996-09-03 Interdigital Communication Corporation Spread spectrum CDMA interference canceler system and method
FI943196A (fi) * 1994-07-04 1996-01-05 Nokia Telecommunications Oy Vastaanottomenetelmä
US5978413A (en) * 1995-08-28 1999-11-02 Bender; Paul E. Method and system for processing a plurality of multiple access transmissions
FI99067C (fi) * 1995-11-02 1997-09-25 Nokia Mobile Phones Ltd Vastaanottomenetelmä ja vastaanotin
US5872776A (en) * 1995-11-22 1999-02-16 Yang; Lin-Lang Signal detection and interference cancellation based on simplified matrix inversion for CDMA applications
US5960048A (en) * 1996-03-26 1999-09-28 Telefonaktiebolaget Lm Ericsson Method and an arrangement for receiving a symbol sequence
SE515911C2 (sv) * 1996-03-26 2001-10-29 Ericsson Telefon Ab L M Förfarande och anordning för mottagning av en symbolsekvens
US5887034A (en) * 1996-03-29 1999-03-23 Nec Corporation DS-CDMA multiple user serial interference canceler unit and method of transmitting interference replica signal of the same
JP3323067B2 (ja) 1996-07-12 2002-09-09 沖電気工業株式会社 Cdma受信装置
JP2798128B2 (ja) * 1996-08-06 1998-09-17 日本電気株式会社 Cdmaマルチユーザ受信装置
JP2923867B2 (ja) * 1996-10-28 1999-07-26 日本電気株式会社 送信電力制御方式
JP3796870B2 (ja) * 1997-01-21 2006-07-12 ソニー株式会社 受信装置及び受信方法、並びに携帯電話システムの端末装置
JP3326679B2 (ja) * 1997-01-31 2002-09-24 沖電気工業株式会社 Cdma受信装置
FI104020B (fi) * 1997-06-23 1999-10-29 Nokia Telecommunications Oy Vastaanottomenetelmä ja vastaanotin
SG77607A1 (en) 1997-08-26 2001-01-16 Univ Singapore A multi-user code division multiple access receiver
JPH11331125A (ja) * 1997-12-04 1999-11-30 Sanyo Electric Co Ltd 無線受信システム
KR100277925B1 (ko) * 1997-12-22 2001-02-01 서평원 직접확산코드분할다중접속시스템의다중사용자검파장치및방법
KR19990052334A (ko) * 1997-12-22 1999-07-05 서평원 직접확산 코드분할 다중접속 시스템의 다중사용자 검파장치 및 방법
US6539009B1 (en) * 1997-12-26 2003-03-25 Yozan, Inc. Signal reception apparatus for DS-CDMA cellular system
US5955992A (en) * 1998-02-12 1999-09-21 Shattil; Steve J. Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter
US7430257B1 (en) * 1998-02-12 2008-09-30 Lot 41 Acquisition Foundation, Llc Multicarrier sub-layer for direct sequence channel and multiple-access coding
US6317466B1 (en) * 1998-04-15 2001-11-13 Lucent Technologies Inc. Wireless communications system having a space-time architecture employing multi-element antennas at both the transmitter and receiver
JP2967571B1 (ja) * 1998-05-01 1999-10-25 日本電気株式会社 Cdmaマルチユーザ受信装置と通信システム
US6366607B1 (en) 1998-05-14 2002-04-02 Interdigital Technology Corporation Processing for improved performance and reduced pilot
US6445692B1 (en) 1998-05-20 2002-09-03 The Trustees Of The Stevens Institute Of Technology Blind adaptive algorithms for optimal minimum variance CDMA receivers
JP2970656B1 (ja) * 1998-06-25 1999-11-02 日本電気株式会社 Ds−cdmaマルチユーザ干渉キャンセラ
US6647022B1 (en) * 1998-08-07 2003-11-11 Lucent Technologies Inc. Interference canceller
FR2782585B1 (fr) 1998-08-20 2000-09-22 France Telecom Recepteur en rateau iteratif et procede de reception correspondant
US6249544B1 (en) * 1998-11-13 2001-06-19 Broadcom Corporation System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
JP3121319B2 (ja) * 1998-12-17 2000-12-25 日本電気株式会社 Ds−cdmaマルチユーザ干渉キャンセラとそのシステム
SE9900684L (sv) * 1999-02-26 2000-08-27 Ericsson Telefon Ab L M Interferensundertryckning i radio stationer
US6567474B1 (en) 1999-03-02 2003-05-20 Phonex Corporation Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (DBPSK)
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
US6574270B1 (en) * 1999-07-30 2003-06-03 Ericsson Inc. Baseband interference canceling spread spectrum communications methods and apparatus
US6665288B1 (en) * 1999-11-08 2003-12-16 Ericsson Inc. Method and apparatus for reducing synchronization code interference in CDMA communications systems
DE19953895A1 (de) 1999-11-10 2001-05-17 Bosch Gmbh Robert Verfahren zur Korrelation von zeitdiskreten Signalabschnitten
FI19992694A (fi) * 1999-12-15 2001-06-16 Nokia Networks Oy Menetelmä hajaspektrisignaalin vastaanottamiseksi ja vastaanotin
US6853693B1 (en) * 2000-04-28 2005-02-08 Motorola, Inc. Method and apparatus for gain normalization of a correlation demodulator
US7065055B1 (en) * 2000-05-26 2006-06-20 Telefonaktiebolaget Lm Ericsson (Publ) Zero delay interference cancellation
US6289039B1 (en) * 2000-06-14 2001-09-11 Linex Technologies, Inc. Spread-spectrum communications utilizing variable throughput reduction
GB0016663D0 (en) * 2000-07-06 2000-08-23 Nokia Networks Oy Receiver and method of receiving
US8670390B2 (en) 2000-11-22 2014-03-11 Genghiscomm Holdings, LLC Cooperative beam-forming in wireless networks
US7697594B2 (en) * 2001-03-30 2010-04-13 Texas Instruments Incorporated Method and apparatus for regenerative based interference cancellation within a communication system
US10931338B2 (en) 2001-04-26 2021-02-23 Genghiscomm Holdings, LLC Coordinated multipoint systems
US9819449B2 (en) 2002-05-14 2017-11-14 Genghiscomm Holdings, LLC Cooperative subspace demultiplexing in content delivery networks
US9893774B2 (en) 2001-04-26 2018-02-13 Genghiscomm Holdings, LLC Cloud radio access network
US10355720B2 (en) 2001-04-26 2019-07-16 Genghiscomm Holdings, LLC Distributed software-defined radio
US10425135B2 (en) 2001-04-26 2019-09-24 Genghiscomm Holdings, LLC Coordinated multipoint systems
WO2003017558A2 (en) * 2001-08-21 2003-02-27 Morphics Technology, Inc. Method and apparatus for enhancing data rates in spread spectrum communication systems
US7853341B2 (en) 2002-01-25 2010-12-14 Ksc Industries, Inc. Wired, wireless, infrared, and powerline audio entertainment systems
US8103009B2 (en) 2002-01-25 2012-01-24 Ksc Industries, Inc. Wired, wireless, infrared, and powerline audio entertainment systems
US7346332B2 (en) * 2002-01-25 2008-03-18 Ksc Industries Incorporated Wired, wireless, infrared, and powerline audio entertainment systems
US10200227B2 (en) 2002-05-14 2019-02-05 Genghiscomm Holdings, LLC Pre-coding in multi-user MIMO
US9628231B2 (en) 2002-05-14 2017-04-18 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US10644916B1 (en) 2002-05-14 2020-05-05 Genghiscomm Holdings, LLC Spreading and precoding in OFDM
US10142082B1 (en) 2002-05-14 2018-11-27 Genghiscomm Holdings, LLC Pre-coding in OFDM
DE60324283D1 (de) * 2003-02-03 2008-12-04 Mathematical Assist Design Lab Spreizspektrum-systemkommunikationseinheit und ihr verfahren zur herstellung einer schnellen synchronisation
JP4182345B2 (ja) * 2003-06-26 2008-11-19 日本電気株式会社 干渉キャンセルユニット及びマルチユーザ干渉キャンセラ
US7483538B2 (en) 2004-03-02 2009-01-27 Ksc Industries, Inc. Wireless and wired speaker hub for a home theater system
JP2005311797A (ja) * 2004-04-22 2005-11-04 Tektronix Japan Ltd 逆拡散方法
US11184037B1 (en) 2004-08-02 2021-11-23 Genghiscomm Holdings, LLC Demodulating and decoding carrier interferometry signals
US11431386B1 (en) 2004-08-02 2022-08-30 Genghiscomm Holdings, LLC Transmit pre-coding
US11552737B1 (en) 2004-08-02 2023-01-10 Genghiscomm Holdings, LLC Cooperative MIMO
WO2006073893A2 (en) 2005-01-05 2006-07-13 Atc Technologies, Llc Adaptive beam forming with multi-user detection and interference reduction in satellite communiation systems and methods
JP4631673B2 (ja) 2005-07-27 2011-02-16 カシオ計算機株式会社 電波受信装置、電波受信回路及び電波時計
US8493953B1 (en) 2006-02-14 2013-07-23 L-3 Communications Method and device for mitigation of multi-user interference in code division multiple access
WO2007137270A2 (en) * 2006-05-22 2007-11-29 Viasat, Inc. Segmented code division multiple access
US7617731B2 (en) * 2006-07-18 2009-11-17 Panasonic Corporation Ultrasonic measuring apparatus and ultrasonic measuring method
US8781043B2 (en) * 2006-11-15 2014-07-15 Qualcomm Incorporated Successive equalization and cancellation and successive mini multi-user detection for wireless communication
US8090547B2 (en) * 2007-10-01 2012-01-03 Panasonic Corporation Ultrasonic measuring device and ultrasonic measuring method
US8059745B2 (en) * 2008-08-06 2011-11-15 Texas Instruments Incorporated Sharing logic circuitry for a maximum likelihood MIMO decoder and a viterbi decoder
CN102668611A (zh) 2009-11-27 2012-09-12 高通股份有限公司 用于非正交信道集的干扰消除
US10243773B1 (en) 2017-06-30 2019-03-26 Genghiscomm Holdings, LLC Efficient peak-to-average-power reduction for OFDM and MIMO-OFDM
US10637705B1 (en) 2017-05-25 2020-04-28 Genghiscomm Holdings, LLC Peak-to-average-power reduction for OFDM multiple access
US11917604B2 (en) 2019-01-25 2024-02-27 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
CN113454964A (zh) 2019-01-25 2021-09-28 珍吉斯科姆控股有限责任公司 正交多址和非正交多址
US11343823B2 (en) 2020-08-16 2022-05-24 Tybalt, Llc Orthogonal multiple access and non-orthogonal multiple access
WO2020242898A1 (en) 2019-05-26 2020-12-03 Genghiscomm Holdings, LLC Non-orthogonal multiple access
US20230093484A1 (en) * 2021-09-23 2023-03-23 Apple Inc. Systems and methods for de-correlating coded signals in dual port transmissions

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4134071A (en) * 1971-07-19 1979-01-09 Licentia Patent-Verwaltungs-G.M.B.H. SSMA Data transmission system
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
US5136612A (en) * 1990-12-31 1992-08-04 At&T Bell Laboratories Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system
US5224122A (en) * 1992-06-29 1993-06-29 Motorola, Inc. Method and apparatus for canceling spread-spectrum noise
US5341395A (en) * 1992-11-24 1994-08-23 At&T Bell Laboratories Data recovery technique for asynchronous CDMA systems
JP3143247B2 (ja) * 1993-01-11 2001-03-07 沖電気工業株式会社 符号分割多元接続復調装置
US5363403A (en) * 1993-04-22 1994-11-08 Interdigital Technology Corporation Spread spectrum CDMA subtractive interference canceler and method
GB2279851B (en) * 1993-07-01 1997-10-01 Roke Manor Research Threshold cancellation means for use in digital mobile radio networks
JP2732783B2 (ja) * 1993-08-31 1998-03-30 沖電気工業株式会社 符号分割多元接続復調装置
JP2927657B2 (ja) * 1993-11-05 1999-07-28 ケイディディ株式会社 スペクトル拡散信号復調装置

Also Published As

Publication number Publication date
EP0676874A3 (de) 2000-05-10
EP0676874A2 (de) 1995-10-11
KR950035142A (ko) 1995-12-30
EP0676874B1 (de) 2003-06-11
US5579304A (en) 1996-11-26
DE69531020T2 (de) 2004-04-29

Similar Documents

Publication Publication Date Title
DE69531020D1 (de) Verfahren und Einrichtung zur sequentiellen Unterdrückung von Vielfachzugriffstörungen in einem CDMA-Empfänger
DE69637618D1 (de) Verfahren und schaltung zur interferenzunterdrüchung in spreizspektrumsignalen
DE69518794D1 (de) EMI-Filter und Verfahren zur Bestimmung desselben
DE69412288D1 (de) Verfahren und gerät für mehrbenutzer interferenz verminderung
DE69331719D1 (de) Verfahren und Vorrichtung zur Geräuschunterdrückung
DE69429799D1 (de) Verfahren und einrichtung für mikrobische reduktion
DE4392999T1 (de) Verfahren und Vorrichtung zum Unterdrücken von Streuspektrumrauschen
DE69718628D1 (de) Vorrichtung und verfahren zur reduktion von gleichkanalstörungen
DE69329670D1 (de) Verfahren und Gerät zur Rauschminderung
DE69415665D1 (de) Verfahren und gerät zur stereophonen wiedergabe
DE69420335D1 (de) Verfahren und Gerät zur Echtheitskontrolle von Objekten
DE69420250D1 (de) Verbessertes verfahren zur nachhallunterdrückung
DE69326880D1 (de) Frequenzselektives Verfahren und Vorrichtung
DE69421558D1 (de) Übertragungsvorrichtung und Verfahren
ATE194825T1 (de) Verfahren zur carbonylierung von alkylalkoholen und/oder deren reaktionsfähigen derivaten
DE59508637D1 (de) Verfahren und Vorrichtung zum Stapeln
DE69402487D1 (de) Vorrichtung und Verfahren zur Entfernung von Stickstoffoxiden
DE69407911D1 (de) Gerät und Verfahren zum Reinigen von Geweben
DE69519851D1 (de) Verfahren und vorrichtung zur beschichtung von langgestreckten gegenständen
DE69720710D1 (de) Verfahren und vorrichtung für raum- und zeitdekorrelation von interferenzen
DE69511080D1 (de) Schnittstellenanordnung und verfahren
DE69306354D1 (de) Absetzwerkzeug und zugehöriges Verfahren
DE69422661D1 (de) Verfahren und Vorrichtung zum Einwickeln von Gegenständen
DE69730942D1 (de) Verfahren und Einheit zum Gruppieren von Gegenständen
DE69411159D1 (de) Strömungsleitende drehkupplung und verfahren

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CANON KABUSHIKI KAISHA, TOKIO/TOKYO, JP