ATE241238T1 - Zuweisung von spreizfolgen in einem mccdma-system - Google Patents

Zuweisung von spreizfolgen in einem mccdma-system

Info

Publication number
ATE241238T1
ATE241238T1 AT99402240T AT99402240T ATE241238T1 AT E241238 T1 ATE241238 T1 AT E241238T1 AT 99402240 T AT99402240 T AT 99402240T AT 99402240 T AT99402240 T AT 99402240T AT E241238 T1 ATE241238 T1 AT E241238T1
Authority
AT
Austria
Prior art keywords
mccdma
allocation
spread sequences
spread
sequences
Prior art date
Application number
AT99402240T
Other languages
English (en)
Inventor
David Mottier
Damien Castelain
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 ATE241238T1 publication Critical patent/ATE241238T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • 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, e.g. multi-user orthogonal frequency division multiple access [OFDMA]
    • H04L5/026—Multiplexing of multicarrier modulation signals, e.g. multi-user orthogonal frequency division multiple access [OFDMA] using code division

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
AT99402240T 1999-09-13 1999-09-13 Zuweisung von spreizfolgen in einem mccdma-system ATE241238T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99402240A EP1085689B1 (de) 1999-09-13 1999-09-13 Zuweisung von Spreizfolgen in einem MCCDMA-System

Publications (1)

Publication Number Publication Date
ATE241238T1 true ATE241238T1 (de) 2003-06-15

Family

ID=8242109

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99402240T ATE241238T1 (de) 1999-09-13 1999-09-13 Zuweisung von spreizfolgen in einem mccdma-system

Country Status (5)

Country Link
US (2) US6987747B1 (de)
EP (1) EP1085689B1 (de)
JP (1) JP4554774B2 (de)
AT (1) ATE241238T1 (de)
DE (1) DE69908125T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69908125T2 (de) * 1999-09-13 2003-12-04 Mitsubishi Electric Information Technology Centre Europe B.V., Schiphol Rijk Zuweisung von Spreizfolgen in einem MCCDMA-System
FR2825862A1 (fr) 2001-06-06 2002-12-13 St Microelectronics Sa Procede de transmission de donnees en mc/cdma
EP1511205B1 (de) * 2003-09-01 2007-12-12 Mitsubishi Electric Information Technology Centre Europe B.V. Verfahren zur dynamischen Zuweisung von Spreizfolgen an Benutzer eines MCCDMA Übertragungsnetzwerks
EP1511206B1 (de) * 2003-09-01 2012-12-19 Mitsubishi Electric R&D Centre Europe B.V. Verfahren zur Zuweisung von einer oder mehreren Spreizfolgen an Benutzer eines MCCDMA Übertragungsnetzwerks
EP1524793B1 (de) * 2003-10-16 2008-11-26 Mitsubishi Electric Information Technology Centre Europe B.V. Verfahren zum Mapping von den Chips eines gespreitzten Symboles zu Unterkanälen von einem Mehrträgerübertragungsystem
US7315563B2 (en) * 2003-12-03 2008-01-01 Ut-Battelle Llc Multicarrier orthogonal spread-spectrum (MOSS) data communications
EP1610480A1 (de) 2004-06-25 2005-12-28 Mitsubishi Electric Information Technology Center Europe B.V. Vorrichtung und Verfahren zur dynamischen Verteilung von Untergruppen von Spreizsequenzen
EP1655854A1 (de) * 2004-11-03 2006-05-10 Alcatel Verfahren zur Berechnung des Verzögerungsprofils in einem zellularen Kommunicationssystem.
US8670493B2 (en) 2005-06-22 2014-03-11 Eices Research, Inc. Systems and/or methods of increased privacy wireless communications
KR100695462B1 (ko) * 2005-12-10 2007-03-16 한국전자통신연구원 Ｍｃ－ｃｄｍａ 통신 시스템의 기지국에서 주파수 차원확산 부호 할당 방법
US20080031369A1 (en) * 2006-06-07 2008-02-07 Li Ye Geoffrey Apparatus and methods for multi-carrier wireless access with energy spreading
US7903749B2 (en) * 2006-08-16 2011-03-08 Harris Corporation System and method for applying frequency domain spreading to multi-carrier communications signals
US7813433B2 (en) * 2006-08-16 2010-10-12 Harris Corporation System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with selected subcarriers turned on or off
US7751488B2 (en) * 2006-08-16 2010-07-06 Harris Corporation System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM)
US7860147B2 (en) * 2006-08-16 2010-12-28 Harris Corporation Method of communicating and associated transmitter using coded orthogonal frequency division multiplexing (COFDM)
US7649951B2 (en) * 2006-08-16 2010-01-19 Harris Corporation System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with applied frequency domain spreading
KR100885300B1 (ko) * 2007-07-03 2009-02-23 한국전자통신연구원 주파수 다이버시티를 가지는 주파수 선택적 기저대역의주파수 변복조 장치 및 방법, 이를 이용한 송수신 장치
US8274921B2 (en) * 2008-04-01 2012-09-25 Harris Corporation System and method for communicating data using efficient fast fourier transform (FFT) for orthogonal frequency division multiplexing (OFDM)
US8229009B2 (en) 2008-04-01 2012-07-24 Harris Corporation System and method for communicating data using efficient fast fourier transform (FFT) for orthogonal frequency division multiplexing (OFDM) modulation
US8238454B2 (en) * 2008-04-01 2012-08-07 Harris Corporation System and method for communicating data using efficient fast fourier transform (FFT) for orthogonal frequency division multiplexing (OFDM) demodulation
US11271691B2 (en) * 2018-07-09 2022-03-08 Huawei Technologies Canada Co. Ltd. Dynamic spectrum spreading of data symbols for multiple access transmission

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442625A (en) * 1994-05-13 1995-08-15 At&T Ipm Corp Code division multiple access system providing variable data rate access to a user
JPH08307386A (ja) * 1995-05-01 1996-11-22 Sharp Corp 拡散符号算出方法およびスペクトル拡散通信システム
JP3409628B2 (ja) * 1996-06-19 2003-05-26 株式会社エヌ・ティ・ティ・ドコモ Ｃｄｍａ通信方法およびグループ拡散変調器
FI102577B1 (fi) * 1996-09-05 1998-12-31 Nokia Telecommunications Oy Lähetys- ja vastaanottomenetelmä ja radiojärjestelmä
US5956345A (en) * 1996-09-13 1999-09-21 Lucent Technologies Inc. IS-95 compatible wideband communication scheme
JPH10145282A (ja) * 1996-11-12 1998-05-29 N T T Ido Tsushinmo Kk Ｄｓ−ｃｄｍａ伝送方式
JP3317866B2 (ja) * 1996-12-20 2002-08-26 富士通株式会社 スペクトル拡散通信システム
CN100391116C (zh) * 1997-03-04 2008-05-28 高通股份有限公司 在通信系统中发送信号的方法和设备
JP3575215B2 (ja) * 1997-03-05 2004-10-13 株式会社日立製作所 パケット通信方法及び通信端末装置
US5933777A (en) * 1997-04-24 1999-08-03 Telefonaktiebolaget Lm Ericsson (Publ) System and method for allocating channel elements in a code division multiple access radio telecommunications network
US6097712A (en) * 1997-06-20 2000-08-01 Nortel Networks Limited Multi-carrier CDMA communications systems
US6108369A (en) * 1997-07-11 2000-08-22 Telefonaktiebolaget Lm Ericsson Channelization code allocation for radio communication systems
JP4386574B2 (ja) * 1997-10-10 2009-12-16 クゥアルコム・インコーポレイテッド マルチユーザ通信システムにおけるマルチレイヤードｐｎコード拡散
CN1104095C (zh) * 1998-04-30 2003-03-26 皇家菲利浦电子有限公司 码分多址发射机和接收机
US6393047B1 (en) * 1998-06-16 2002-05-21 Telefonaktiebolaget Lm Ericsson (Publ) Quadriphase spreading codes in code division multiple access communications
US6278702B1 (en) * 1998-12-02 2001-08-21 Nortel Networks Limited Method for limiting the dynamic range of a CDMA signal
US6556551B1 (en) * 1999-05-27 2003-04-29 Lgc Wireless, Inc. Multi-frequency pilot beacon for CDMA systems
GB2352944B (en) * 1999-05-31 2004-02-11 Korea Electronics Telecomm Apparatus and method for moduating data message by employing orthogonal variable spreading factor (OVSF) codes in mobile communication sytem
DE69908125T2 (de) * 1999-09-13 2003-12-04 Mitsubishi Electric Information Technology Centre Europe B.V., Schiphol Rijk Zuweisung von Spreizfolgen in einem MCCDMA-System

Also Published As

Publication number Publication date
JP4554774B2 (ja) 2010-09-29
JP2001111524A (ja) 2001-04-20
EP1085689A1 (de) 2001-03-21
US6987747B1 (en) 2006-01-17
US7342910B2 (en) 2008-03-11
DE69908125T2 (de) 2003-12-04
DE69908125D1 (de) 2003-06-26
US20060029012A1 (en) 2006-02-09
EP1085689B1 (de) 2003-05-21

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