ATE431979T1 - Mehrbenutzernachweis unter verwendung von entzerrung und nachfolgender interferenzunterdrückung - Google Patents

Mehrbenutzernachweis unter verwendung von entzerrung und nachfolgender interferenzunterdrückung

Info

Publication number
ATE431979T1
ATE431979T1 AT04715731T AT04715731T ATE431979T1 AT E431979 T1 ATE431979 T1 AT E431979T1 AT 04715731 T AT04715731 T AT 04715731T AT 04715731 T AT04715731 T AT 04715731T AT E431979 T1 ATE431979 T1 AT E431979T1
Authority
AT
Austria
Prior art keywords
received
user
signals
group
equalization
Prior art date
Application number
AT04715731T
Other languages
English (en)
Inventor
Ariela Zeira
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Application granted granted Critical
Publication of ATE431979T1 publication Critical patent/ATE431979T1/de

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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • 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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • 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
    • H04B1/71072—Successive interference cancellation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT04715731T 2003-03-03 2004-02-27 Mehrbenutzernachweis unter verwendung von entzerrung und nachfolgender interferenzunterdrückung ATE431979T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45159103P 2003-03-03 2003-03-03
US10/748,544 US7346103B2 (en) 2003-03-03 2003-12-30 Multi user detection using equalization and successive interference cancellation
PCT/US2004/005914 WO2004079975A2 (en) 2003-03-03 2004-02-27 Multi user detection using equalization and successive interference cancellation

Publications (1)

Publication Number Publication Date
ATE431979T1 true ATE431979T1 (de) 2009-06-15

Family

ID=32965557

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04715731T ATE431979T1 (de) 2003-03-03 2004-02-27 Mehrbenutzernachweis unter verwendung von entzerrung und nachfolgender interferenzunterdrückung

Country Status (12)

Country Link
US (5) US7346103B2 (de)
EP (2) EP2086119A1 (de)
JP (2) JP4335911B2 (de)
KR (3) KR20090028842A (de)
CN (1) CN1754321B (de)
AT (1) ATE431979T1 (de)
CA (1) CA2516981A1 (de)
DE (1) DE602004021174D1 (de)
MX (1) MXPA05009318A (de)
NO (1) NO20054222L (de)
TW (3) TWI257792B (de)
WO (1) WO2004079975A2 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6396819B1 (en) 1998-03-21 2002-05-28 Richard D. Fleeter Low-cost satellite communication system
US7227884B2 (en) 2000-02-28 2007-06-05 Aeroastro, Inc. Spread-spectrum receiver with progressive fourier transform
WO2004064298A2 (en) * 2003-01-10 2004-07-29 Interdigital Technology Corporation Generalized two-stage data estimation
US20050036569A1 (en) * 2003-08-11 2005-02-17 Lu Chun Chian Perturbation and equalization method and system for multi-user detection
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
US8073042B1 (en) * 2005-04-13 2011-12-06 Cypress Semiconductor Corporation Recursive range controller
US8611305B2 (en) 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
US9071344B2 (en) 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US7592953B2 (en) 2005-12-30 2009-09-22 Comtech Mobile Datacom Corporation Mobile satellite communications
US8781043B2 (en) * 2006-11-15 2014-07-15 Qualcomm Incorporated Successive equalization and cancellation and successive mini multi-user detection for wireless communication
CN101282553B (zh) * 2007-04-05 2011-05-18 大唐移动通信设备有限公司 改进联合检测性能的方法、基带信号处理器及基站
TWI385941B (zh) * 2007-10-16 2013-02-11 Realtek Semiconductor Corp 干擾消除裝置及其方法
US20100046660A1 (en) * 2008-05-13 2010-02-25 Qualcomm Incorporated Interference cancellation under non-stationary conditions
US8995417B2 (en) 2008-06-09 2015-03-31 Qualcomm Incorporated Increasing capacity in wireless communication
US9265049B2 (en) 2008-07-11 2016-02-16 Qualcomm Incorporated Method and apparatus for using uplink control information for inter-cell decoding and interference cancellation
US9237515B2 (en) * 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
US9277487B2 (en) * 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US8509293B2 (en) 2008-08-19 2013-08-13 Qualcomm Incorporated Semi-coherent timing propagation for GERAN multislot configurations
US8503591B2 (en) 2008-08-19 2013-08-06 Qualcomm Incorporated Enhanced geran receiver using channel input beamforming
GB2463872B (en) * 2008-09-24 2012-04-18 Toshiba Res Europ Ltd A MMSE equaliser
US8548107B1 (en) * 2009-01-26 2013-10-01 Comtech Mobile Datacom Corporation Advanced multi-user detector
US9106364B1 (en) 2009-01-26 2015-08-11 Comtech Mobile Datacom Corporation Signal processing of a high capacity waveform
US9160577B2 (en) * 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US8787509B2 (en) 2009-06-04 2014-07-22 Qualcomm Incorporated Iterative interference cancellation receiver
US8619928B2 (en) * 2009-09-03 2013-12-31 Qualcomm Incorporated Multi-stage interference suppression
US8831149B2 (en) 2009-09-03 2014-09-09 Qualcomm Incorporated Symbol estimation methods and apparatuses
US8675711B1 (en) 2009-09-25 2014-03-18 Comtech Mobile Datacom Corporation System and methods for dynamic spread spectrum usage
JP5583942B2 (ja) * 2009-09-30 2014-09-03 富士通株式会社 無線受信機
KR101376676B1 (ko) 2009-11-27 2014-03-20 퀄컴 인코포레이티드 무선 통신들에서의 용량 증가
EP2505017B1 (de) 2009-11-27 2018-10-31 Qualcomm Incorporated Kapazitätssteigerung in der drahtlosen kommunikation
JP5596168B2 (ja) 2009-11-27 2014-09-24 クゥアルコム・インコーポレイテッド 非直交チャネルセットのための干渉除去
US9113420B2 (en) 2009-12-29 2015-08-18 Telefonaktiebolaget L M Ericsson (Publ) Radio system
US9014236B2 (en) * 2011-09-28 2015-04-21 Telefonaktiebolaget L M Ericsson (Publ) Method, apparatus, receiver, computer program and storage medium for joint detection
WO2013134506A2 (en) * 2012-03-07 2013-09-12 Hobbit Wave, Inc. Devices and methods using the hermetic transform
KR101644922B1 (ko) * 2012-09-19 2016-08-02 노키아 솔루션스 앤드 네트웍스 오와이 Tdd 통신에서의 시그널링
JP2015053668A (ja) * 2013-08-08 2015-03-19 株式会社Ｎｔｔドコモ ユーザ装置、基地局、逐次干渉キャンセル処理方法、及び逐次干渉キャンセル制御方法
US9531431B2 (en) 2013-10-25 2016-12-27 Hobbit Wave, Inc. Devices and methods employing hermetic transforms for encoding and decoding digital information in spread-spectrum communications systems
US11304661B2 (en) 2014-10-23 2022-04-19 VertoCOMM, Inc. Enhanced imaging devices, and image construction methods and processes employing hermetic transforms

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE469678B (sv) 1992-01-13 1993-08-16 Ericsson Telefon Ab L M Saett foer synkronisering och kanalestimering i tdma- radiosystem
EP0602249B1 (de) 1992-06-18 2002-08-28 Oki Electric Industry Company, Limited Vorrichtung und verfahren zur maximal wahrscheinlichkeitsfolgeschätzung
FI943196A7 (fi) 1994-07-04 1996-01-05 Nokia Mobile Phones Ltd Vastaanottomenetelmä
JP2705623B2 (ja) 1995-03-22 1998-01-28 日本電気株式会社 ダイバーシチ送受信方法及び送受信機
US6208295B1 (en) 1995-06-02 2001-03-27 Trw Inc. Method for processing radio signals that are subject to unwanted change during propagation
KR100212306B1 (ko) * 1995-06-13 1999-08-02 다치카와 게이지 코드 분할 다중 접속(cdma) 복조 장치
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
DE19616828C2 (de) 1996-04-26 1999-02-25 Siemens Ag Verfahren zur Separierung eines empfangenen Signalgemisches
WO1998009385A2 (en) 1996-08-29 1998-03-05 Cisco Technology, Inc. Spatio-temporal processing for communication
US6359923B1 (en) * 1997-12-18 2002-03-19 At&T Wireless Services, Inc. Highly bandwidth efficient communications
US7430257B1 (en) * 1998-02-12 2008-09-30 Lot 41 Acquisition Foundation, Llc Multicarrier sub-layer for direct sequence channel and multiple-access coding
US6501747B1 (en) 1998-08-20 2002-12-31 Metawave Communications Corporation Manifold assisted channel estimation and demodulation for CDMA systems in fast fading environments
US6426983B1 (en) 1998-09-14 2002-07-30 Terayon Communication Systems, Inc. Method and apparatus of using a bank of filters for excision of narrow band interference signal from CDMA signal
US6208684B1 (en) 1998-09-18 2001-03-27 Dspc Technologies Ltd. Cyclic adaptive receivers for DS-CDMA signals
US6470000B1 (en) 1998-10-14 2002-10-22 Agere Systems Guardian Corp. Shared correlator system and method for direct-sequence CDMA demodulation
US6141393A (en) * 1999-03-03 2000-10-31 Motorola, Inc. Method and device for channel estimation, equalization, and interference suppression
US6370129B1 (en) 1999-06-28 2002-04-09 Lucent Technologies, Inc. High-speed data services using multiple transmit antennas
CN100391119C (zh) 1999-09-14 2008-05-28 美商内数位科技公司 用来减少联合检测中的计算的方法与设备
US6252540B1 (en) 1999-12-21 2001-06-26 The United States Of America As Represented By The Secretary Of The Air Force Apparatus and method for two stage hybrid space-time adaptive processing in radar and communication systems
US6975666B2 (en) * 1999-12-23 2005-12-13 Institut National De La Recherche Scientifique Interference suppression in CDMA systems
US6963546B2 (en) * 2000-03-15 2005-11-08 Interdigital Technology Corp. Multi-user detection using an adaptive combination of joint detection and successive interface cancellation
US7154958B2 (en) * 2000-07-05 2006-12-26 Texas Instruments Incorporated Code division multiple access wireless system with time reversed space time block transmitter diversity
JP3836663B2 (ja) 2000-09-04 2006-10-25 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおける移動局のセルサーチ方法
US6707864B2 (en) 2001-01-25 2004-03-16 Interdigital Technology Corporation Simplified block linear equalizer with block space time transmit diversity
FR2822567B1 (fr) 2001-03-22 2003-05-02 Mitsubishi Electric Inf Tech Methode et dispositif d'egalisation de type gmmse
US6625203B2 (en) 2001-04-30 2003-09-23 Interdigital Technology Corporation Fast joint detection
US7359466B2 (en) 2001-08-24 2008-04-15 Lucent Technologies Inc. Signal detection by a receiver in a multiple antenna time-dispersive system
JP3565344B2 (ja) 2002-02-21 2004-09-15 株式会社エヌ・ティ・ティ・ドコモ 干渉除去システム、及び、干渉除去方法
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US7317750B2 (en) * 2002-10-31 2008-01-08 Lot 41 Acquisition Foundation, Llc Orthogonal superposition coding for direct-sequence communications

Also Published As

Publication number Publication date
EP1606888A2 (de) 2005-12-21
KR20050107531A (ko) 2005-11-11
US7593461B2 (en) 2009-09-22
CN1754321A (zh) 2006-03-29
US20080240207A1 (en) 2008-10-02
KR20050104413A (ko) 2005-11-02
TW200527835A (en) 2005-08-16
US8249191B2 (en) 2012-08-21
US20140016680A1 (en) 2014-01-16
KR20090028842A (ko) 2009-03-19
JP2006519528A (ja) 2006-08-24
JP4335911B2 (ja) 2009-09-30
TW200423650A (en) 2004-11-01
JP2009177837A (ja) 2009-08-06
EP2086119A1 (de) 2009-08-05
CN1754321B (zh) 2010-12-08
MXPA05009318A (es) 2005-11-04
WO2004079975A3 (en) 2004-10-28
WO2004079975A2 (en) 2004-09-16
EP1606888B1 (de) 2009-05-20
US20120314752A1 (en) 2012-12-13
NO20054222L (no) 2005-09-12
EP1606888A4 (de) 2006-05-31
US8542772B2 (en) 2013-09-24
TWI257792B (en) 2006-07-01
TW200807908A (en) 2008-02-01
DE602004021174D1 (de) 2009-07-02
KR100805761B1 (ko) 2008-02-21
US20090316759A1 (en) 2009-12-24
US20040223538A1 (en) 2004-11-11
US7346103B2 (en) 2008-03-18
CA2516981A1 (en) 2004-09-16

Similar Documents

Publication Publication Date Title
ATE431979T1 (de) Mehrbenutzernachweis unter verwendung von entzerrung und nachfolgender interferenzunterdrückung
DE602004024896D1 (de) Technik zum wählen von übertragungsparametern
ATE532122T1 (de) Identifizieren von mobilen einrichtungen
WO2004036811A3 (en) Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system
DE602005016892D1 (de) Nukleinsäurecharakterisierung
DE60225329D1 (de) Vorrichtung und verfahren zur erkennung von code
TW200513349A (en) Data processing for monitoring chemical mechanical polishing
DE60320615D1 (de) Mehrträgerempfang mit Erfassung von Interferenzen
UA90481C2 (xx) Система і процесор перемежовування$система и процессор перемежевания
DE60320996D1 (de) Skalierung unter verwendung von verstärkungsfaktoren zur verwendung in datendetektion für drahtlose kodeunterteilungs-vielfachzugriffskommunikationssysteme
GB0311137D0 (en) Intelligent diagnosis of environmental influence on well logs with model-based inversion
EA200501193A1 (ru) Улучшенный способ и система для выявления и/или прогнозирования биологических аномалий, например церебральных нарушений
WO2002088381A3 (de) Verfahren zur bestimmung der genexpression
DE60036115D1 (de) Verfahren und system zum bestimmen einer farbzusammenfassung
ATE476023T1 (de) Signalstörungsmessung
WO2007022362A3 (en) Frame synchronization
ATE385112T1 (de) Verfahren und vorrichtung für kanalschäztung
DE60330099D1 (de) Verfahren und Anordnungen zur Herstellung, Feststellung und Übertragung von Identifikatoren
SE0203047D0 (sv) Spread spectrum signal processing
WO2004090797A3 (en) Decision tree analysis
MX2008002566A (es) Metodo y aparato para proporcionar direccionamiento en un sistema de comunicacion de multiples portadoras.
WO2025058632A8 (en) Co-channel signal classification using deep learning
DE60102439D1 (de) Verfahren und Gerät zur Mehrbenutzerdetektion in DS-CDMA Modus
AU2003258856A1 (en) Cryptographic method protected against covert channel type attacks
ATE467207T1 (de) Vervahren zum erzeugen eines abdrucks eines audiosignals

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties