ATE341873T1 - Verfahren und vorrichtung zur mehrbenutzererkennung - Google Patents

Verfahren und vorrichtung zur mehrbenutzererkennung

Info

Publication number
ATE341873T1
ATE341873T1 AT01403223T AT01403223T ATE341873T1 AT E341873 T1 ATE341873 T1 AT E341873T1 AT 01403223 T AT01403223 T AT 01403223T AT 01403223 T AT01403223 T AT 01403223T AT E341873 T1 ATE341873 T1 AT E341873T1
Authority
AT
Austria
Prior art keywords
sub
vector
symbols
user recognition
spectral
Prior art date
Application number
AT01403223T
Other languages
English (en)
Inventor
Loic Brunel
Original Assignee
Mitsubishi Electric Inf Tech
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 Inf Tech filed Critical Mitsubishi Electric Inf Tech
Application granted granted Critical
Publication of ATE341873T1 publication Critical patent/ATE341873T1/de

Links

Classifications

    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03331—Arrangements for the joint estimation of multiple sequences
    • 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
    • H04L25/03993—Noise whitening
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Push-Button Switches (AREA)
  • Error Detection And Correction (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Image Processing (AREA)
  • Sorting Of Articles (AREA)
AT01403223T 2000-12-13 2001-12-12 Verfahren und vorrichtung zur mehrbenutzererkennung ATE341873T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0016351A FR2818057B1 (fr) 2000-12-13 2000-12-13 Methode et dispositif de detection multi-utilisateur

Publications (1)

Publication Number Publication Date
ATE341873T1 true ATE341873T1 (de) 2006-10-15

Family

ID=8857683

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01403223T ATE341873T1 (de) 2000-12-13 2001-12-12 Verfahren und vorrichtung zur mehrbenutzererkennung

Country Status (6)

Country Link
US (1) US7130353B2 (de)
EP (1) EP1215839B1 (de)
JP (1) JP4014077B2 (de)
AT (1) ATE341873T1 (de)
DE (1) DE60123559T2 (de)
FR (1) FR2818057B1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
DE60215608T2 (de) * 2002-01-11 2007-08-30 Mitsubishi Electric Information Technology Centre Europe B.V. Vorverzerrungsverfahren für einen Mehrträger-CDMA-Aufwärtskanal
ATE333722T1 (de) * 2002-01-11 2006-08-15 Mitsubishi Electric Inf Tech Mehrträger-cdma in aufwärtsrichtung mit vorverzerrung der einzelnen träger
KR100465315B1 (ko) * 2002-10-25 2005-01-13 한국전자통신연구원 다중반송파 코드분할 다중접속에서의 확산/역확산 시스템및 그 방법
KR100769097B1 (ko) * 2003-03-03 2007-10-23 인터디지탈 테크날러지 코포레이션 복잡도가 감소된 슬라이딩 윈도우 기반의 등화기
US7042967B2 (en) * 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
FR2853480B1 (fr) * 2003-04-01 2005-06-17 Procede et dispositif d'identification autodidacte d'un melange sous-determine de sources au quatrieme ordre
US6985699B2 (en) * 2003-04-16 2006-01-10 Bae Systems Information And Electronic Systems Integration Inc. Efficient and optimal channel encoding and channel decoding in a multiple access communications system
EP1492241B1 (de) * 2003-06-26 2007-02-14 Mitsubishi Electric Information Technology Centre Europe B.V. Verbesserte Kugeldekodierung von in einem Telekommunikationssystem gesendeten Symbolen
EP1895729B1 (de) * 2006-08-28 2012-04-18 Sony Deutschland Gmbh Entzerrervorrichtung und Verfahren zur Entzerrung
EP1895726A1 (de) * 2006-08-28 2008-03-05 Sony Deutschland Gmbh Circuit et procédé d'égalisation
EP1895728A1 (de) * 2006-08-28 2008-03-05 Sony Deutschland Gmbh Entzerrervorrichtung und Verfahren zur Entzerrung
US20090285125A1 (en) * 2008-05-17 2009-11-19 Farokh Marvasti Iterative synchronous and Asynchronous Multi-User Detection with Optimum Soft limiter
US8203992B2 (en) * 2008-09-17 2012-06-19 Qualcomm Incorporated Methods and systems for implementing CDMA-based dedicated control channels in an OFDMA-based network
US8275267B2 (en) * 2010-01-25 2012-09-25 Infinera Corporation Method, system, and apparatus for filter implementation using hermitian conjugates
US10148285B1 (en) 2012-07-25 2018-12-04 Erich Schmitt Abstraction and de-abstraction of a digital data stream
US10795858B1 (en) 2014-02-18 2020-10-06 Erich Schmitt Universal abstraction and de-abstraction of a digital data stream

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI85548C (fi) * 1990-06-14 1992-04-27 Nokia Oy Ab Mottagningsfoerfarande och mottagare foer diskreta signaler.
US5297170A (en) * 1990-08-21 1994-03-22 Codex Corporation Lattice and trellis-coded quantization
FR2701178A1 (fr) * 1993-02-03 1994-08-05 Philips Electronique Lab Système de communication par étalement de spectre à multiutilisateurs.
FI106898B (fi) 1993-11-10 2001-04-30 Nokia Networks Oy Vastaanottomenetelmä ja CDMA-vastaanotin
AU4238697A (en) * 1996-08-29 1998-03-19 Cisco Technology, Inc. Spatio-temporal processing for communication
US6263013B1 (en) * 1996-11-21 2001-07-17 Dsp Group, Inc. Fast tracking of PN synchronization in a direct-sequence spread-spectrum digital communications system
US6628699B2 (en) 1997-06-23 2003-09-30 Schlumberger Resource Management Systems, Inc. Receiving a spread spectrum signal
US6181729B1 (en) * 1997-12-19 2001-01-30 Supergold Communication Limited Spread spectrum communication
US6654365B1 (en) * 1998-02-24 2003-11-25 L-3 Communications Corporation Reduced complexity trellis-based multiuser detector for CDMA
EP1109326A1 (de) 1999-12-15 2001-06-20 Lucent Technologies Inc. Präambeldetektor für einen CDMA-Empfänger
JP4327973B2 (ja) 2000-01-25 2009-09-09 パナソニック株式会社 受信装置および受信時刻推定方法
US6801579B1 (en) * 2000-03-09 2004-10-05 Lucent Technologies Inc. Method and wireless communication using unitary space-time signal constellations
US6618433B1 (en) * 2000-08-04 2003-09-09 Intel Corporation Family of linear multi-user detectors (MUDs)
FR2814014B1 (fr) 2000-09-14 2002-10-11 Mitsubishi Electric Inf Tech Methode de detection multi-utilisateur

Also Published As

Publication number Publication date
EP1215839A1 (de) 2002-06-19
FR2818057A1 (fr) 2002-06-14
US20020097784A1 (en) 2002-07-25
JP4014077B2 (ja) 2007-11-28
US7130353B2 (en) 2006-10-31
JP2002217867A (ja) 2002-08-02
FR2818057B1 (fr) 2006-07-07
DE60123559T2 (de) 2007-08-16
EP1215839B1 (de) 2006-10-04
DE60123559D1 (de) 2006-11-16

Similar Documents

Publication Publication Date Title
DE60123559D1 (de) Verfahren und Vorrichtung zur Mehrbenutzererkennung
CA2227162A1 (en) Cellular mobile telephone system
EA200001064A1 (ru) Структура кадра и синхронизация частоты для систем с множеством несущих
ATE282909T1 (de) Methode und apparat zum bearbeiten eines intermittierten pilot kanals
ATE228281T1 (de) Verfahren und gerät zur signalmodulation mit walsh-funktionen in einer spreizspektrumkommunikationsanordnung
WO2002073230A3 (en) Wireless communications methods and systems for short-code and other spread spectrum waveform processing
EP0706273A3 (de) Verfahren und Einrichtung zur Demodulation eines auf mehreren Trägern übermittelten Signals
RU2005138513A (ru) Быстрая скачкообразная перестройка частоты с мультиплексированным с кодовым разделением пилот-сигналом в системе мдочр
MY138261A (en) Channel estimation device, fading frequency detection device and demodulation device
DE69841693D1 (de) System zur Mehrträgermodulation, mit veränderbaren Symbolgeschwindigkeiten
ATE463942T1 (de) Verfahren und vorrichtung zur verwendung des synchronisationskanals zum erhalten von messungen von nachbarzellen in einem ofdm- kommunikationssystem
ATE393527T1 (de) Vorrichtung und verfahren zur verringerung des verhältnisses von spitzen zur durchschnittsleistung in mehrträgerkommunikationssystemen
DE69926008D1 (de) Kanalschätzer mit variabler anzahl von abgriffen
NO990777L (no) FremgangsmÕte for Õ oppdatere frekvensdomene utjevningsparametre, samt et kanalestimerings- og utjevningssystem
DE60312811D1 (de) Verfahren und Vorrichtung zur Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung
KR970072736A (ko) 스팩트럼확산 통신방식
CA2340685A1 (en) Method and device for transmitting information symbols using a plurality of carriers and method and device for receiving information symbols
TW200501650A (en) Subcarrier puncturing in communication systems
EP0913971A3 (de) Kanalschätzung in einem zellularen CDMA-Kommunikationssystem
DE60027270D1 (de) Verfahren und Gerät zur Zeitnachführung
WO2001026318A3 (en) Demodulator circuit for demapping a multi-carrier signal using channel state information
DE60325321D1 (de) Verfahren zur Rückgewinnung von Folgen minimaler PAPR in einem OFDM-Vermittlungssystem
DE69900102D1 (de) Verfahren zur Voraussage der empfangenen Leistung einer Basisstation eines CDMA-Netzes und Bassistation hierfür
ATE262752T1 (de) Verfahren und gerät zur mehrbenutzerdetektion in ds-cdma modus
EP1030460A3 (de) Verfahren und Gerät zum Bestimmen der Datenrate eines empfangenen Signals in einem orthogonalen Spreizspektrumnachrichtenübertragungssystem mit veränderlicher Datenrate

Legal Events

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