DE602004002480D1 - Spreizspektrummodulator und -demodulator - Google Patents

Spreizspektrummodulator und -demodulator

Info

Publication number
DE602004002480D1
DE602004002480D1 DE602004002480T DE602004002480T DE602004002480D1 DE 602004002480 D1 DE602004002480 D1 DE 602004002480D1 DE 602004002480 T DE602004002480 T DE 602004002480T DE 602004002480 T DE602004002480 T DE 602004002480T DE 602004002480 D1 DE602004002480 D1 DE 602004002480D1
Authority
DE
Germany
Prior art keywords
deflector
spread spectrum
spectrum modulator
spreading spectrum
sequences
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
DE602004002480T
Other languages
English (en)
Other versions
DE602004002480T2 (de
Inventor
Nahas El Homsi Hassan El
Moussa Abdi
Alexandre Jard
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.)
Alcatel Lucent SAS
Original Assignee
Nortel Networks 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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of DE602004002480D1 publication Critical patent/DE602004002480D1/de
Application granted granted Critical
Publication of DE602004002480T2 publication Critical patent/DE602004002480T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0678—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using different spreading codes between antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Radio Relay Systems (AREA)
  • Radio Transmission System (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE602004002480T 2003-05-14 2004-05-06 Spreizspektrummodulator und -demodulator Expired - Lifetime DE602004002480T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0305796 2003-05-14
FR0305796A FR2854995B1 (fr) 2003-05-14 2003-05-14 Modulateur et demodulateur a etalement de spectre
PCT/FR2004/001096 WO2004102826A2 (fr) 2003-05-14 2004-05-06 Modulateur et demodulateur a etalement de spectre

Publications (2)

Publication Number Publication Date
DE602004002480D1 true DE602004002480D1 (de) 2006-11-02
DE602004002480T2 DE602004002480T2 (de) 2007-06-14

Family

ID=33306352

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004002480T Expired - Lifetime DE602004002480T2 (de) 2003-05-14 2004-05-06 Spreizspektrummodulator und -demodulator

Country Status (6)

Country Link
US (2) US7583721B2 (de)
EP (1) EP1623514B1 (de)
AT (1) ATE340443T1 (de)
DE (1) DE602004002480T2 (de)
FR (1) FR2854995B1 (de)
WO (1) WO2004102826A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070063888A1 (en) * 2005-09-22 2007-03-22 M/A-Com, Inc. Single side band radar
US8265118B2 (en) * 2007-03-13 2012-09-11 The Regents Of The University Of California Code-modulated path-sharing multi-signal systems
KR101531502B1 (ko) 2007-12-11 2015-06-26 엘지전자 주식회사 오류제어방법
KR101467788B1 (ko) 2007-12-11 2014-12-03 엘지전자 주식회사 랜덤 선형 부호화를 이용하는 통신방법 및 장치
KR101490249B1 (ko) 2007-12-11 2015-02-05 엘지전자 주식회사 연판정을 이용한 통신방법 및 장치
DE102009017552B3 (de) * 2009-04-17 2010-09-30 Sew-Eurodrive Gmbh & Co. Kg Vorrichtung und Verfahren zur berührungslosen Übertragung elektrischer Leistung und Information
FR3099973B1 (fr) * 2019-08-14 2021-09-17 Commissariat Energie Atomique Dispositif et procédé pour la signalisation de communications à travers un spectre fragmenté

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707839A (en) * 1983-09-26 1987-11-17 Harris Corporation Spread spectrum correlator for recovering CCSK data from a PN spread MSK waveform
CH679718A5 (de) * 1989-10-19 1992-03-31 Ascom Zelcom Ag
EP0668662A4 (de) * 1993-08-06 1997-02-12 Nippon Telegraph & Telephone Empfänger und funkrelais für spreizspektrumübertragung.
JPH09116475A (ja) * 1995-10-23 1997-05-02 Nec Corp 時間ダイバーシチ送受信システム
US6097771A (en) * 1996-07-01 2000-08-01 Lucent Technologies Inc. Wireless communications system having a layered space-time architecture employing multi-element antennas
JP2800891B2 (ja) * 1996-12-17 1998-09-21 日本電気株式会社 Ｃｄｍａ方式のマルチコード送信装置
JPH1141141A (ja) * 1997-05-21 1999-02-12 Mitsubishi Electric Corp スペクトル拡散信号受信方法及びスペクトル拡散信号受信装置
US6185258B1 (en) 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
US6088408A (en) * 1998-11-06 2000-07-11 At & T Corp. Decoding for generalized orthogonal designs for space-time codes for wireless communication
JP3986150B2 (ja) * 1998-01-27 2007-10-03 興和株式会社 一次元データへの電子透かし
CA2321618C (en) 1998-03-03 2004-01-27 At&T Corp. Decoding of space-time coded signals for wireless communication
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
US6810087B2 (en) * 2000-01-04 2004-10-26 General Electric Company Ultra-wideband communications system
US6888809B1 (en) 2000-01-13 2005-05-03 Lucent Technologies Inc. Space-time processing for multiple-input, multiple-output, wireless systems
US6748024B2 (en) * 2001-03-28 2004-06-08 Nokia Corporation Non-zero complex weighted space-time code for multiple antenna transmission
US7218692B2 (en) * 2001-06-15 2007-05-15 Texas Instruments Incorporated Multi-path interference cancellation for transmit diversity
CN1550118A (zh) 2001-07-05 2004-11-24 ̩ 监控移动终端和带扩频的蜂窝基础设施间通信的无线电设备的方法和装置
FR2827098B1 (fr) * 2001-07-05 2003-12-05 Nortel Networks Ltd Procede de controle de ressources radio affectees a une communication entre un terminal mobile et une infrastructure cellulaire a etalement de spectre, et equipements pour la mise en oeuvre du procede
US20030108133A1 (en) * 2001-10-11 2003-06-12 Richards James L. Apparatus and method for increasing received signal-to-noise ratio in a transmit reference ultra-wideband system
FR2838279B1 (fr) 2002-04-05 2004-09-24 Nortel Networks Ltd Procede de controle de ressources radio affectees a une communication entre un terminal mobile et une infrastructure cellulaire, et equipements pour la mise en oeuvre de ce procede
EP1455498A1 (de) * 2003-03-06 2004-09-08 STMicroelectronics N.V. Verfahren und Einrichtung zur Erzeugung von Ultrabreitbandpulsen

Also Published As

Publication number Publication date
US20070025425A1 (en) 2007-02-01
FR2854995B1 (fr) 2005-07-29
US8116353B2 (en) 2012-02-14
US20100020853A1 (en) 2010-01-28
US7583721B2 (en) 2009-09-01
WO2004102826A3 (fr) 2005-06-09
EP1623514A2 (de) 2006-02-08
FR2854995A1 (fr) 2004-11-19
EP1623514B1 (de) 2006-09-20
DE602004002480T2 (de) 2007-06-14
WO2004102826A2 (fr) 2004-11-25
ATE340443T1 (de) 2006-10-15

Similar Documents

Publication Publication Date Title
WO2009039383A3 (en) Reference signal structure for ofdm based transmissions
ATE281714T1 (de) Mehrstufiges rake kombinierungsverfahren und einrichtung
TW200507484A (en) An ultra-wideband transceiver architecture and associated methods
WO2004000889A3 (en) Polymeric photoinitiators
AU5479400A (en) Reduced power matched filter using precomputation
AU2003248631A1 (en) Wireless output input device player
AU2003247798A1 (en) Nozzles and components thereof and methods for making the same
CY1115441T1 (el) Αναστολεις p38 και μεθοδοι χρησης αυτων
CA2459129A1 (en) Radio transmission system and method and transmission station apparatus and reception station apparatus used in the radio transmission system
ATE493856T1 (de) Kanalspezifikationsvorrichtung und verfahren
TW200737762A (en) Method of generating code sequence and method of transmitting signal using the same
WO2003075857A3 (en) Amino-methyl substituted tetracycline compounds
DK1644348T3 (da) Epoxy-afsluttede polythioethere, Epoxy-afsluttede polythioethere
MY150183A (en) Technique to select transmission parameters
DE602008002998D1 (en) Bit-generator
TW200619274A (en) Polycarbosilane and method of producing same
WO2006103585A3 (en) Signal transmitter for wideband wireless communication
DE602004002480D1 (de) Spreizspektrummodulator und -demodulator
WO2004062128A3 (en) Method and apparatus to generate a clock-based ultra wideband transmission
AU7056500A (en) Apparatus and methods for receiving information using variable length accumulation searchers
DE60019469D1 (de) Effizienter spreizer für spreizspektrumübertragungssysteme
EP0939500A3 (de) Signalangepasstes Filter und Signalempfangsgerät
DE60038562D1 (de) Signalangepasster filter und spreizspektrumempfänger
EP1815716A4 (de) Vorrichtung und verfahren zur verarbeitung von mehrkanal-audioeingangssignalen zur erzeugung von mindestens zwei kanalausgangssignalen daraus sowie computerlesbares medium mit ausführbarem code zur durchführung dieses verfahrens
UA83203C2 (uk) Тіазол-(бі)циклоалкілкарбоксаніліди, засіб на їх основі та застосування для боротьби з небажаними мікроорганізмами

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: ALCATEL LUCENT, PARIS, FR

8328 Change in the person/name/address of the agent

Representative=s name: DREISS PATENTANWAELTE, 70188 STUTTGART