SE9503752L - Metod för direktsekvensbandspridning (DSSS) av en datasekvens - Google Patents

Metod för direktsekvensbandspridning (DSSS) av en datasekvens

Info

Publication number
SE9503752L
SE9503752L SE9503752A SE9503752A SE9503752L SE 9503752 L SE9503752 L SE 9503752L SE 9503752 A SE9503752 A SE 9503752A SE 9503752 A SE9503752 A SE 9503752A SE 9503752 L SE9503752 L SE 9503752L
Authority
SE
Sweden
Prior art keywords
sequence
spreading
data
data sequence
dsss
Prior art date
Application number
SE9503752A
Other languages
English (en)
Other versions
SE9503752D0 (sv
SE506622C2 (sv
Inventor
Arne Lindblad
Anna Wik
Original Assignee
Foersvarets Forskningsanstalt
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 Foersvarets Forskningsanstalt filed Critical Foersvarets Forskningsanstalt
Priority to SE9503752A priority Critical patent/SE506622C2/sv
Publication of SE9503752D0 publication Critical patent/SE9503752D0/sv
Priority to JP51654497A priority patent/JP2001513950A/ja
Priority to CA002235737A priority patent/CA2235737A1/en
Priority to EP96937617A priority patent/EP0873598A1/en
Priority to AU75114/96A priority patent/AU712151B2/en
Priority to PCT/SE1996/001371 priority patent/WO1997015986A1/en
Publication of SE9503752L publication Critical patent/SE9503752L/sv
Publication of SE506622C2 publication Critical patent/SE506622C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/25—Countermeasures against jamming based on characteristics of target signal or of transmission, e.g. using direct sequence spread spectrum or fast frequency hopping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/827—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection using characteristics of target signal or of transmission, e.g. using direct sequence spread spectrum or fast frequency hopping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/001—Modulated-carrier systems using chaotic signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
    • H04K1/025—Secret communication by adding a second signal to make the desired signal unintelligible using an analogue chaotic signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
SE9503752A 1995-10-25 1995-10-25 Metod för direktsekvensbandspridning (DSSS) av en datasekvens SE506622C2 (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9503752A SE506622C2 (sv) 1995-10-25 1995-10-25 Metod för direktsekvensbandspridning (DSSS) av en datasekvens
JP51654497A JP2001513950A (ja) 1995-10-25 1996-10-25 データシーケンスのダイレクトシーケンス拡散方法
CA002235737A CA2235737A1 (en) 1995-10-25 1996-10-25 A method for direct sequence spreading of a data sequence (dsss)
EP96937617A EP0873598A1 (en) 1995-10-25 1996-10-25 A method for direct sequence spreading of a data sequence (dsss)
AU75114/96A AU712151B2 (en) 1995-10-25 1996-10-25 A method for direct sequence spreading of a data sequence (DSSS)
PCT/SE1996/001371 WO1997015986A1 (en) 1995-10-25 1996-10-25 A method for direct sequence spreading of a data sequence (dsss)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9503752A SE506622C2 (sv) 1995-10-25 1995-10-25 Metod för direktsekvensbandspridning (DSSS) av en datasekvens

Publications (3)

Publication Number Publication Date
SE9503752D0 SE9503752D0 (sv) 1995-10-25
SE9503752L true SE9503752L (sv) 1997-04-26
SE506622C2 SE506622C2 (sv) 1998-01-19

Family

ID=20399954

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9503752A SE506622C2 (sv) 1995-10-25 1995-10-25 Metod för direktsekvensbandspridning (DSSS) av en datasekvens

Country Status (6)

Country Link
EP (1) EP0873598A1 (sv)
JP (1) JP2001513950A (sv)
AU (1) AU712151B2 (sv)
CA (1) CA2235737A1 (sv)
SE (1) SE506622C2 (sv)
WO (1) WO1997015986A1 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1489776B1 (en) * 2003-06-18 2008-03-19 Samsung Electronics Co., Ltd. Method and apparatus for generating preamble using chaotic sequence
LU91292B1 (en) * 2006-12-01 2008-06-02 European Gsa New Chaotic Spreading Codes for Galileo
CN103490845B (zh) * 2013-09-16 2015-09-30 哈尔滨工程大学 基于加权处理的改进型Logistic-Map混沌扩频序列产生装置及方法
US9479217B1 (en) * 2015-07-28 2016-10-25 John David Terry Method and apparatus for communicating data in a digital chaos cooperative network
CN106654853B (zh) * 2017-01-06 2019-01-25 电子科技大学 一种具有时延隐藏特性的激光混沌扩频变换系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918706A (en) * 1988-12-28 1990-04-17 Sperry Marine Inc. Spread spectrum long loop receiver
US5418813A (en) * 1993-12-06 1995-05-23 Motorola, Inc. Method and apparatus for creating a composite waveform

Also Published As

Publication number Publication date
AU712151B2 (en) 1999-10-28
AU7511496A (en) 1997-05-15
JP2001513950A (ja) 2001-09-04
SE9503752D0 (sv) 1995-10-25
CA2235737A1 (en) 1997-05-01
SE506622C2 (sv) 1998-01-19
WO1997015986A1 (en) 1997-05-01
EP0873598A1 (en) 1998-10-28

Similar Documents

Publication Publication Date Title
EP0987913A3 (en) Spread spectrum cdma transmitter
DE69815105T2 (de) Mobilstationssynchronisation in einem spreizspektrumnachrichtenübertragunssystem
CA2176401A1 (en) A high-data-rate wireless local-area network
RU98103270A (ru) Способ и устройство для ортогонализации сигналов множественного доступа с кодовым разделением
CA2679170A1 (en) Synchronous spread-spectrum communications system and method
AU4832700A (en) Multistep rake combining method and apparatus
FI125863B (sv) Bandspridningssystem och -förfarande
EP0822670A3 (en) Sequence generation for asynchronous spread spectrum communication
FI950600A (sv) Mottagare och förfarande för generering av spridningskoder i mottagaren
EP0809364A3 (en) Spread spectrum communication system
EP1513265A3 (en) Spread spectrum communication receiver and CDMA mobile communication method
WO2001001595A8 (en) Rake combining methods and apparatus using weighting factors derived from knowledge of spread spectrum signal characteristics
IL111449A (en) Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
IL183434A0 (en) Method and apparatus for multiple access over a communication channel
WO2001050615A3 (en) Spreading factor determination
EP0913971A3 (en) Channel Estimation in a CDMA cellular communication system
DE69833458D1 (de) Verkettete kode für spreizspektrumübertragung
EP0762665A3 (en) Spread spectrum communication system
CA2001349A1 (en) Spectrum spread communication by csk modulation
SE9503752L (sv) Metod för direktsekvensbandspridning (DSSS) av en datasekvens
EP1233533A4 (en) WIRE COMMUNICATION DEVICE, WIRE COMMUNICATION APPARATUS, WIRE COMMUNICATION METHOD, AND WIRE COMMUNICATION SYSTEM
EP1333606A3 (en) Transmission of CPM spread spectrum communications
CA2184448A1 (en) CSK communication system and method for spread spectrum communication
EP0903871A3 (en) Spread spectrum signal generating device and method
AU2001240565A1 (en) Improved data communication

Legal Events

Date Code Title Description
NUG Patent has lapsed