NL156876B - Elektrische schakeling voor het opwekken van een groot aantal verschillende periodieke, binaire quasi toevallige codes. - Google Patents

Elektrische schakeling voor het opwekken van een groot aantal verschillende periodieke, binaire quasi toevallige codes.

Info

Publication number
NL156876B
NL156876B NL7206629.A NL7206629A NL156876B NL 156876 B NL156876 B NL 156876B NL 7206629 A NL7206629 A NL 7206629A NL 156876 B NL156876 B NL 156876B
Authority
NL
Netherlands
Prior art keywords
accidental
codes
generating
large number
electrical circuit
Prior art date
Application number
NL7206629.A
Other languages
English (en)
Other versions
NL7206629A (nl
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of NL7206629A publication Critical patent/NL7206629A/nl
Publication of NL156876B publication Critical patent/NL156876B/nl

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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Radio Relay Systems (AREA)
NL7206629.A 1971-05-17 1972-05-17 Elektrische schakeling voor het opwekken van een groot aantal verschillende periodieke, binaire quasi toevallige codes. NL156876B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2124320A DE2124320C1 (de) 1971-05-17 1971-05-17 Elektrische Schaltung zur Erzeugung einer Vielzahl verschiedener Codes

Publications (2)

Publication Number Publication Date
NL7206629A NL7206629A (nl) 1978-01-31
NL156876B true NL156876B (nl) 1978-05-16

Family

ID=5808068

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7206629.A NL156876B (nl) 1971-05-17 1972-05-17 Elektrische schakeling voor het opwekken van een groot aantal verschillende periodieke, binaire quasi toevallige codes.

Country Status (7)

Country Link
US (1) US4320513A (nl)
CA (1) CA1029443A (nl)
DE (1) DE2124320C1 (nl)
FR (1) FR2368832A1 (nl)
GB (1) GB1502761A (nl)
IT (1) IT1019534B (nl)
NL (1) NL156876B (nl)

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NL8202547A (nl) * 1982-06-23 1984-01-16 Philips Nv Werkwijze voor het opwekken van een pseudo-random reeks van tekens met grote reekslengte.
US4507746A (en) * 1982-07-28 1985-03-26 The United States Of America As Represented By The Secretary Of The Army Programmable matched filter for binary phase-coded signals
FR2549663A1 (fr) * 1983-07-21 1985-01-25 Snecma Procede et dispositif pour le codage et le decodage d'une emission a large bande
US4707839A (en) * 1983-09-26 1987-11-17 Harris Corporation Spread spectrum correlator for recovering CCSK data from a PN spread MSK waveform
US5257282A (en) * 1984-06-28 1993-10-26 Unisys Corporation High speed code sequence generator
DE3614638A1 (de) * 1986-04-30 1987-11-05 Messerschmitt Boelkow Blohm Verfahren und vorrichtung zur synchronisation von datenstroemen
JP2620069B2 (ja) * 1986-10-09 1997-06-11 クラリオン株式会社 スペクトラム拡散通信方式
US4860236A (en) * 1987-10-26 1989-08-22 University Of Manitoba Cellular automaton for generating random data
US4961159A (en) * 1987-10-26 1990-10-02 University Of Manitoba Cellular automaton for generating random data
JPH0250512A (ja) * 1988-08-10 1990-02-20 Clarion Co Ltd 疑似ランダム雑音符号発生装置
US4959832A (en) * 1988-12-09 1990-09-25 International Business Machines Parallel pseudorandom pattern generator with varying phase shift
US5022049A (en) * 1989-11-21 1991-06-04 Unisys Corp. Multiple access code acquisition system
US5031192A (en) * 1990-02-05 1991-07-09 United States Of America As Represented By The Secretary Of The Air Force Synthetic demodulation of spread spectrum signals
US5210770A (en) * 1991-09-27 1993-05-11 Lockheed Missiles & Space Company, Inc. Multiple-signal spread-spectrum transceiver
US7929498B2 (en) * 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US6697350B2 (en) 1995-06-30 2004-02-24 Interdigital Technology Corporation Adaptive vector correlator for spread-spectrum communications
US7123600B2 (en) * 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US6831905B1 (en) 1995-06-30 2004-12-14 Interdigital Technology Corporation Spread spectrum system assigning information signals to message-code signals
US6816473B2 (en) 1995-06-30 2004-11-09 Interdigital Technology Corporation Method for adaptive forward power control for spread-spectrum communications
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US6940840B2 (en) 1995-06-30 2005-09-06 Interdigital Technology Corporation Apparatus for adaptive reverse power control for spread-spectrum communications
US7072380B2 (en) * 1995-06-30 2006-07-04 Interdigital Technology Corporation Apparatus for initial power control for spread-spectrum communications
US7020111B2 (en) * 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
JP3483991B2 (ja) * 1995-07-27 2004-01-06 沖電気工業株式会社 符号分割多重アクセス通信用拡散符号発生器、符号分割多重アクセス通信システム及び符号分割多重アクセス通信用拡散符号発生方法
US6047016A (en) * 1997-06-23 2000-04-04 Cellnet Data Systems, Inc. Processing a spread spectrum signal in a frequency adjustable system
US6178197B1 (en) 1997-06-23 2001-01-23 Cellnet Data Systems, Inc. Frequency discrimination in a spread spectrum signal processing system
US6741638B2 (en) 1997-06-23 2004-05-25 Schlumbergersema Inc. Bandpass processing of a spread spectrum signal
US6628699B2 (en) 1997-06-23 2003-09-30 Schlumberger Resource Management Systems, Inc. Receiving a spread spectrum signal
US6456644B1 (en) 1997-06-23 2002-09-24 Cellnet Data Systems, Inc. Bandpass correlation of a spread spectrum signal
JP3825179B2 (ja) * 1998-07-17 2006-09-20 富士通株式会社 相関器
PL234297B1 (pl) * 1999-07-07 2020-01-31 Samsung Electronics Co Ltd Urządzenie do generowania kodu szyfrującego w systemie łączności ruchomej UMTS
KR100594042B1 (ko) * 1999-09-22 2006-06-28 삼성전자주식회사 비동기 이동통신시스템의 멀티 스크램블링 코드 생성 장치 및 방법
US7129753B2 (en) * 2004-05-26 2006-10-31 Infineon Technologies Ag Chip to chip interface
US20080240168A1 (en) * 2007-03-31 2008-10-02 Hoffman Jeffrey D Processing wireless and broadband signals using resource sharing

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH435363A (de) * 1965-11-26 1967-05-15 Patelhold Patentverwertung Einrichtung zur Synchronisierung von Impulsgeneratoren
US3515805A (en) * 1967-02-06 1970-06-02 Bell Telephone Labor Inc Data scrambler
US3519746A (en) * 1967-06-13 1970-07-07 Itt Means and method to obtain an impulse autocorrelation function
US3700806A (en) * 1967-09-18 1972-10-24 Csf Key generators for cryptographic devices
GB1172617A (en) * 1967-09-18 1969-12-03 Solartron Electronic Group The Generation of Binomially-Distributed Pseudo-Random Electrical Signals
LU58605A1 (nl) * 1969-05-08 1969-08-22
US3617723A (en) * 1970-02-25 1971-11-02 Collins Radio Co Digitalized multiplier
US3665171A (en) * 1970-12-14 1972-05-23 Bell Telephone Labor Inc Nonrecursive digital filter apparatus employing delayedadd configuration
US3728528A (en) * 1971-03-24 1973-04-17 Allen Bradley Co Circular interpolation by finite differences
DE2121117C1 (de) * 1971-04-29 1978-02-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektrische Schaltung mit einem Codegenerator
US3751648A (en) * 1971-12-01 1973-08-07 Communications Satellite Corp Generalized shift register pulse sequence generator
US3761696A (en) * 1972-02-16 1973-09-25 Signetics Corp Random integer generator and method

Also Published As

Publication number Publication date
IT1019534B (it) 1977-11-30
US4320513A (en) 1982-03-16
NL7206629A (nl) 1978-01-31
FR2368832A1 (fr) 1978-05-19
DE2124320C1 (de) 1978-04-27
GB1502761A (en) 1978-03-01
CA1029443A (en) 1978-04-11

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SIEMENS