FI945230A - Menetelmä käyttäjäkohtaisen hajakoodin koostamiseksi CDMA numeerisessa siirrossa sekä vastaava menetelmä taulukon muodostamiseksi - Google Patents

Menetelmä käyttäjäkohtaisen hajakoodin koostamiseksi CDMA numeerisessa siirrossa sekä vastaava menetelmä taulukon muodostamiseksi Download PDF

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Publication number
FI945230A
FI945230A FI945230A FI945230A FI945230A FI 945230 A FI945230 A FI 945230A FI 945230 A FI945230 A FI 945230A FI 945230 A FI945230 A FI 945230A FI 945230 A FI945230 A FI 945230A
Authority
FI
Finland
Prior art keywords
cdma
constructing
user
forming
spreading code
Prior art date
Application number
FI945230A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI945230A0 (fi
Inventor
Strat Evelyne Le
Rene Olivier
Original Assignee
Alcatel Mobile Comm France
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 Alcatel Mobile Comm France filed Critical Alcatel Mobile Comm France
Publication of FI945230A0 publication Critical patent/FI945230A0/fi
Publication of FI945230A publication Critical patent/FI945230A/fi

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/102—Combining codes
    • H04J13/107—Combining codes by concatenation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H04J13/0029—Gold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H04J13/0033—Kasami

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FI945230A 1993-11-10 1994-11-07 Menetelmä käyttäjäkohtaisen hajakoodin koostamiseksi CDMA numeerisessa siirrossa sekä vastaava menetelmä taulukon muodostamiseksi FI945230A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9313477A FR2712444B1 (fr) 1993-11-10 1993-11-10 Procédé de construction d'un code d'étalement associé à un utilisateur d'un système de transmission numérique à accès multiple par répartition par codes et à séquence directe, et procédé correspondant de génération d'un tableau.

Publications (2)

Publication Number Publication Date
FI945230A0 FI945230A0 (fi) 1994-11-07
FI945230A true FI945230A (fi) 1995-05-11

Family

ID=9452763

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945230A FI945230A (fi) 1993-11-10 1994-11-07 Menetelmä käyttäjäkohtaisen hajakoodin koostamiseksi CDMA numeerisessa siirrossa sekä vastaava menetelmä taulukon muodostamiseksi

Country Status (10)

Country Link
US (1) US5559829A (zh)
EP (1) EP0652647A1 (zh)
JP (1) JPH07202752A (zh)
KR (1) KR950016119A (zh)
CN (1) CN1124439A (zh)
AU (1) AU683694B2 (zh)
CA (1) CA2135459A1 (zh)
FI (1) FI945230A (zh)
FR (1) FR2712444B1 (zh)
NZ (1) NZ264805A (zh)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770289B1 (en) * 1995-05-12 2002-11-27 Koninklijke Philips Electronics N.V. A direct-sequence spread spectrum communication system, a primary radio station, and a secondary radio station
EP0767544A3 (en) * 1995-10-04 2002-02-27 Interuniversitair Micro-Elektronica Centrum Vzw Programmable modem using spread spectrum communication
FI955113A (fi) * 1995-10-26 1997-04-27 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä, lähetin ja vastaanotin
FR2756692B1 (fr) * 1996-11-29 1999-01-08 Commissariat Energie Atomique Procede de transmission a etalement de spectre par sequence directe, avec generation et optimisation des sequences
US6185244B1 (en) * 1997-08-29 2001-02-06 Telefonaktiebolaget Lm Ericsson Cell searching in a CDMA communications system
US6181729B1 (en) 1997-12-19 2001-01-30 Supergold Communication Limited Spread spectrum communication
IES81048B2 (en) * 1997-12-19 1999-12-01 Supergold Technology Limited Spread spectrum communication
US7301983B1 (en) * 1998-01-05 2007-11-27 Intel Corporation Method for using codebook indexing to achieve high bit densities in a direct-sequence CDMA spread spectrum communication system
US6266331B1 (en) 1998-07-01 2001-07-24 Lucent Technologies, Inc. Device for generating multiple spreading sequences in reverse high speed data channels
EP1112633B1 (de) * 1998-09-08 2004-11-17 Siemens Aktiengesellschaft Verfahren zur bildung bzw. ermittlung einer signalfolge, sendeeinheit und empfangseinheit
GB2342251A (en) * 1998-09-29 2000-04-05 Secr Defence Proximity measuring apparatus
FI982203A (fi) 1998-10-09 2000-04-10 Nokia Networks Oy Menetelmä ja generaattori generoida CDMA-radiojärjestelmän ortogonaalinen hajotuskoodi
US6434163B1 (en) * 1998-10-10 2002-08-13 Agere Systems Guardian Corp. Transverse correlator structure for a rake receiver
EP1129524A1 (en) * 1999-09-10 2001-09-05 Koninklijke Philips Electronics N.V. Spread spectrum transmission system with reduction of intersymbol interference
US6643280B1 (en) * 1999-10-27 2003-11-04 Lucent Technologies Inc. Method and apparatus for generation of CDMA long codes
IES20000064A2 (en) * 2000-01-25 2001-07-25 Supergold Comm Ltd Improved Spread Spectrum Communication
KR100498919B1 (ko) * 2000-11-21 2005-07-04 삼성전자주식회사 무선통신시스템에서의 프리엠블 시퀀스 생성장치 및 방법
FR2827971B1 (fr) * 2001-07-27 2003-10-10 Thales Sa Reseau de communications optiques, multi-utilisateurs, reconfigurable a faible temps de latence
KR100450936B1 (ko) * 2001-08-27 2004-10-02 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 광대역 무선 접속통신시스템에서 프리앰블 시퀀스 생성 장치 및 방법
CN1669236A (zh) * 2002-09-03 2005-09-14 诺基亚公司 无线系统
GB2394867B (en) * 2002-11-01 2005-06-01 Ipwireless Inc Arrangement and method for sequence production in a spread spectrum communication system
KR100520158B1 (ko) * 2003-10-27 2005-10-10 삼성전자주식회사 프리앰블 시퀀스 그룹 생성방법
ES2688755T3 (es) * 2004-12-17 2018-11-06 The European Union, Represented By The European Commission Códigos de propagación para un sistema de navegación por satélite
US7873097B1 (en) * 2006-09-20 2011-01-18 Interstate Electronics Corporation Systems and methods for concatenation in spread spectrum systems
US9130734B1 (en) 2007-09-20 2015-09-08 Interstate Electronics Corporation Multi-tone concatenated spread spectrum communications
GB2477918B (en) * 2010-02-15 2012-09-19 Toshiba Res Europ Ltd Wireless communications apparatus and method
US10666374B2 (en) 2018-05-11 2020-05-26 At&T Intellectual Property I, L.P. Non-orthogonal multiple access for uplink data transmission for 5G or other next generation network

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8516581D0 (en) * 1985-07-01 1985-08-07 Secr Defence Serial data highway system
JPS6223634A (ja) * 1985-07-24 1987-01-31 Nec Home Electronics Ltd スペクトラム拡散電力線搬送通信方法および装置
NL8700930A (nl) * 1987-04-17 1988-11-16 Hollandse Signaalapparaten Bv Systeem van orthogonaal werkende codegeneratoren, radio's voorzien van een codegenerator en codegeneratoren van zo'n systeem.
US4755987A (en) * 1987-06-05 1988-07-05 Bell Communications Research, Inc. High speed scrambling at lower clock speeds
JP2719681B2 (ja) * 1987-07-31 1998-02-25 株式会社 アドバンテスト 擬似ランダムパターン発生器
US5166952A (en) * 1990-05-24 1992-11-24 Cylink Corporation Method and apparatus for the reception and demodulation of spread spectrum radio signals
US5157686A (en) * 1990-05-24 1992-10-20 Cylink Corporation Method and apparatus for the modulation of spread spectrum radio signals
JPH04179324A (ja) * 1990-11-14 1992-06-26 Yamaha Corp スペクトラム拡散多元接続通信装置
FR2681199B1 (fr) * 1991-09-11 1993-12-03 Agence Spatiale Europeenne Procede et dispositif pour multiplexer des signaux de donnees.
US5210770A (en) * 1991-09-27 1993-05-11 Lockheed Missiles & Space Company, Inc. Multiple-signal spread-spectrum transceiver
US5237586A (en) * 1992-03-25 1993-08-17 Ericsson-Ge Mobile Communications Holding, Inc. Rake receiver with selective ray combining
US5313457A (en) * 1992-04-14 1994-05-17 Trimble Navigation Limited Code position modulation system and method for multiple user satellite communications

Also Published As

Publication number Publication date
AU7752994A (en) 1995-05-18
JPH07202752A (ja) 1995-08-04
FR2712444B1 (fr) 1995-12-29
FR2712444A1 (fr) 1995-05-19
AU683694B2 (en) 1997-11-20
FI945230A0 (fi) 1994-11-07
US5559829A (en) 1996-09-24
CA2135459A1 (fr) 1995-05-11
CN1124439A (zh) 1996-06-12
EP0652647A1 (fr) 1995-05-10
NZ264805A (en) 1996-11-26
KR950016119A (ko) 1995-06-17

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