DE60038846D1 - Verfahren zum Aktualisieren eines Schieberegisters mit linearer Rückkopplung eines Codegenerators - Google Patents

Verfahren zum Aktualisieren eines Schieberegisters mit linearer Rückkopplung eines Codegenerators

Info

Publication number
DE60038846D1
DE60038846D1 DE60038846T DE60038846T DE60038846D1 DE 60038846 D1 DE60038846 D1 DE 60038846D1 DE 60038846 T DE60038846 T DE 60038846T DE 60038846 T DE60038846 T DE 60038846T DE 60038846 D1 DE60038846 D1 DE 60038846D1
Authority
DE
Germany
Prior art keywords
updating
shift register
code generator
linear feedback
feedback
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 - Fee Related
Application number
DE60038846T
Other languages
English (en)
Inventor
Esko Nieminen
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE60038846D1 publication Critical patent/DE60038846D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70756—Jumping within the code, i.e. masking or slewing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58—Random or pseudo-random number generators
    • G06F7/582—Pseudo-random number generators
    • G06F7/584—Pseudo-random number generators using finite field arithmetic, e.g. using a linear feedback shift register
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Error Detection And Correction (AREA)
DE60038846T 1999-05-10 2000-05-03 Verfahren zum Aktualisieren eines Schieberegisters mit linearer Rückkopplung eines Codegenerators Expired - Fee Related DE60038846D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI991073A FI107094B (fi) 1999-05-10 1999-05-10 Menetelmä päivittää koodigeneraattorin lineaarinen palautesiirtorekisteri

Publications (1)

Publication Number Publication Date
DE60038846D1 true DE60038846D1 (de) 2008-06-26

Family

ID=8554638

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038846T Expired - Fee Related DE60038846D1 (de) 1999-05-10 2000-05-03 Verfahren zum Aktualisieren eines Schieberegisters mit linearer Rückkopplung eines Codegenerators

Country Status (6)

Country Link
US (1) US6665692B1 (de)
EP (1) EP1055996B1 (de)
JP (1) JP4510219B2 (de)
CN (1) CN1175578C (de)
DE (1) DE60038846D1 (de)
FI (1) FI107094B (de)

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US8374289B2 (en) * 2004-02-25 2013-02-12 Ternarylogic Llc Generation and detection of non-binary digital sequences
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US8345873B2 (en) * 2007-04-04 2013-01-01 Ternarylogic Llc Methods and systems for N-state signal processing with binary devices
US8611530B2 (en) 2007-05-22 2013-12-17 Harris Corporation Encryption via induced unweighted errors
US7995757B2 (en) * 2007-05-31 2011-08-09 Harris Corporation Closed galois field combination
US7995749B2 (en) * 2007-10-30 2011-08-09 Harris Corporation Cryptographic system configured for extending a repetition period of a random sequence
US8180055B2 (en) 2008-02-05 2012-05-15 Harris Corporation Cryptographic system incorporating a digitally generated chaotic numerical sequence
US8363830B2 (en) 2008-02-07 2013-01-29 Harris Corporation Cryptographic system configured to perform a mixed radix conversion with a priori defined statistical artifacts
US8040937B2 (en) * 2008-03-26 2011-10-18 Harris Corporation Selective noise cancellation of a spread spectrum signal
US8139764B2 (en) 2008-05-06 2012-03-20 Harris Corporation Closed galois field cryptographic system
US8320557B2 (en) * 2008-05-08 2012-11-27 Harris Corporation Cryptographic system including a mixed radix number generator with chosen statistical artifacts
US8145692B2 (en) 2008-05-29 2012-03-27 Harris Corporation Digital generation of an accelerated or decelerated chaotic numerical sequence
US8064552B2 (en) * 2008-06-02 2011-11-22 Harris Corporation Adaptive correlation
US8068571B2 (en) * 2008-06-12 2011-11-29 Harris Corporation Featureless coherent chaotic amplitude modulation
US8325702B2 (en) 2008-08-29 2012-12-04 Harris Corporation Multi-tier ad-hoc network in which at least two types of non-interfering waveforms are communicated during a timeslot
US8165065B2 (en) 2008-10-09 2012-04-24 Harris Corporation Ad-hoc network acquisition using chaotic sequence spread waveform
JP5267038B2 (ja) * 2008-10-20 2013-08-21 富士通株式会社 線形帰還シフト演算装置、通信装置、マイクロプロセッサ、及び線形帰還シフト演算装置におけるデータ出力方法
US8351484B2 (en) 2008-12-29 2013-01-08 Harris Corporation Communications system employing chaotic spreading codes with static offsets
US8406276B2 (en) 2008-12-29 2013-03-26 Harris Corporation Communications system employing orthogonal chaotic spreading codes
US8457077B2 (en) 2009-03-03 2013-06-04 Harris Corporation Communications system employing orthogonal chaotic spreading codes
JPWO2010113453A1 (ja) * 2009-04-02 2012-10-04 パナソニック株式会社 無線送受信回路、無線通信装置、及び無線送受信方法
US8509284B2 (en) 2009-06-08 2013-08-13 Harris Corporation Symbol duration dithering for secured chaotic communications
US8428102B2 (en) 2009-06-08 2013-04-23 Harris Corporation Continuous time chaos dithering
US8428103B2 (en) 2009-06-10 2013-04-23 Harris Corporation Discrete time chaos dithering
US8379689B2 (en) 2009-07-01 2013-02-19 Harris Corporation Anti-jam communications having selectively variable peak-to-average power ratio including a chaotic constant amplitude zero autocorrelation waveform
US8406352B2 (en) * 2009-07-01 2013-03-26 Harris Corporation Symbol estimation for chaotic spread spectrum signal
US8385385B2 (en) * 2009-07-01 2013-02-26 Harris Corporation Permission-based secure multiple access communication systems
US8428104B2 (en) 2009-07-01 2013-04-23 Harris Corporation Permission-based multiple access communications systems
US8340295B2 (en) 2009-07-01 2012-12-25 Harris Corporation High-speed cryptographic system using chaotic sequences
US8369376B2 (en) 2009-07-01 2013-02-05 Harris Corporation Bit error rate reduction in chaotic communications
US8363700B2 (en) 2009-07-01 2013-01-29 Harris Corporation Rake receiver for spread spectrum chaotic communications systems
US8369377B2 (en) * 2009-07-22 2013-02-05 Harris Corporation Adaptive link communications using adaptive chaotic spread waveform
US8848909B2 (en) 2009-07-22 2014-09-30 Harris Corporation Permission-based TDMA chaotic communication systems
US8345725B2 (en) 2010-03-11 2013-01-01 Harris Corporation Hidden Markov Model detection for spread spectrum waveforms
US8405925B2 (en) * 2011-06-01 2013-03-26 International Business Machines Corporation Track-dependent data randomization mitigating false VFO detection
US9448959B2 (en) * 2012-10-05 2016-09-20 Analog Devices, Inc. Two-wire communication protocol engine
CN103378917B (zh) * 2012-04-17 2016-01-20 中兴通讯股份有限公司 扰码的生成方法、装置和扰码的处理装置
US10084593B2 (en) * 2015-01-20 2018-09-25 Ternarylogic Llc Apparatus for unconventional non-linear feedback shift registers (NLFSRs)
US9356614B1 (en) * 2015-01-23 2016-05-31 Qualcomm Incorporated Thermometer code converter
TWI727507B (zh) 2019-11-19 2021-05-11 瑞昱半導體股份有限公司 信號處理裝置與信號處理方法
CN112953562B (zh) * 2019-11-26 2024-02-09 瑞昱半导体股份有限公司 信号处理装置与信号处理方法

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JPS6197746A (ja) * 1984-10-15 1986-05-16 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション 乱数発生装置
JP2845308B2 (ja) * 1993-04-02 1999-01-13 株式会社アドバンテスト 並列疑似ランダムパターン発生器
US5491718A (en) * 1994-01-05 1996-02-13 Nokia Mobile Phones Ltd. CDMA radiotelephone having optimized slotted mode and long code operation
JPH0818550A (ja) * 1994-04-27 1996-01-19 N T T Ido Tsushinmo Kk 符号系列発生器
DE69625023T2 (de) 1995-05-12 2003-10-09 Philips Intellectual Property Direktsequenz-spreizsprektrum-kommunikationssystem sowie primäre und sekundäre funkstation
US5835528A (en) 1997-07-08 1998-11-10 Texas Instruments Incorporated Method for fast determination of puesdo-noise code generator state
US6038577A (en) * 1998-01-09 2000-03-14 Dspc Israel Ltd. Efficient way to produce a delayed version of a maximum length sequence using a division circuit
JP3556461B2 (ja) * 1998-03-18 2004-08-18 富士通株式会社 Ｍ系列の位相シフト係数算出方式
FI107094B (fi) * 1999-05-10 2001-05-31 Nokia Mobile Phones Ltd Menetelmä päivittää koodigeneraattorin lineaarinen palautesiirtorekisteri

Also Published As

Publication number Publication date
CN1273460A (zh) 2000-11-15
JP2000332728A (ja) 2000-11-30
CN1175578C (zh) 2004-11-10
FI107094B (fi) 2001-05-31
FI991073A (fi) 2000-11-11
US6665692B1 (en) 2003-12-16
EP1055996A3 (de) 2005-06-01
JP4510219B2 (ja) 2010-07-21
FI991073A0 (fi) 1999-05-10
EP1055996A2 (de) 2000-11-29
EP1055996B1 (de) 2008-05-14

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee